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d29fbcdb | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
0a8165d7 | 2 | /* |
39a53e0c JK |
3 | * fs/f2fs/f2fs.h |
4 | * | |
5 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
6 | * http://www.samsung.com/ | |
39a53e0c JK |
7 | */ |
8 | #ifndef _LINUX_F2FS_H | |
9 | #define _LINUX_F2FS_H | |
10 | ||
f847c699 | 11 | #include <linux/uio.h> |
39a53e0c JK |
12 | #include <linux/types.h> |
13 | #include <linux/page-flags.h> | |
14 | #include <linux/buffer_head.h> | |
39a53e0c JK |
15 | #include <linux/slab.h> |
16 | #include <linux/crc32.h> | |
17 | #include <linux/magic.h> | |
c2d715d1 | 18 | #include <linux/kobject.h> |
7bd59381 | 19 | #include <linux/sched.h> |
7c2e5963 | 20 | #include <linux/cred.h> |
39307a8e | 21 | #include <linux/vmalloc.h> |
740432f8 | 22 | #include <linux/bio.h> |
d0239e1b | 23 | #include <linux/blkdev.h> |
0abd675e | 24 | #include <linux/quotaops.h> |
c6a564ff | 25 | #include <linux/part_stat.h> |
43b6573b | 26 | #include <crypto/hash.h> |
39a53e0c | 27 | |
734f0d24 | 28 | #include <linux/fscrypt.h> |
95ae251f | 29 | #include <linux/fsverity.h> |
734f0d24 | 30 | |
5d56b671 | 31 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 32 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 33 | #else |
9850cf4a JK |
34 | #define f2fs_bug_on(sbi, condition) \ |
35 | do { \ | |
db489652 | 36 | if (WARN_ON(condition)) \ |
caf0047e | 37 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a | 38 | } while (0) |
5d56b671 JK |
39 | #endif |
40 | ||
2c63fead JK |
41 | enum { |
42 | FAULT_KMALLOC, | |
628b3d14 | 43 | FAULT_KVMALLOC, |
c41f3cc3 | 44 | FAULT_PAGE_ALLOC, |
01eccef7 | 45 | FAULT_PAGE_GET, |
cb78942b JK |
46 | FAULT_ALLOC_NID, |
47 | FAULT_ORPHAN, | |
48 | FAULT_BLOCK, | |
49 | FAULT_DIR_DEPTH, | |
53aa6bbf | 50 | FAULT_EVICT_INODE, |
14b44d23 | 51 | FAULT_TRUNCATE, |
6f5c2ed0 | 52 | FAULT_READ_IO, |
0f348028 | 53 | FAULT_CHECKPOINT, |
b83dcfe6 | 54 | FAULT_DISCARD, |
6f5c2ed0 | 55 | FAULT_WRITE_IO, |
2c63fead JK |
56 | FAULT_MAX, |
57 | }; | |
58 | ||
7fa750a1 | 59 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
60 | #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1) |
61 | ||
08796897 SY |
62 | struct f2fs_fault_info { |
63 | atomic_t inject_ops; | |
64 | unsigned int inject_rate; | |
65 | unsigned int inject_type; | |
66 | }; | |
67 | ||
19880e6e | 68 | extern const char *f2fs_fault_name[FAULT_MAX]; |
68afcf2d | 69 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
2c63fead JK |
70 | #endif |
71 | ||
39a53e0c JK |
72 | /* |
73 | * For mount options | |
74 | */ | |
39a53e0c JK |
75 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 |
76 | #define F2FS_MOUNT_DISCARD 0x00000004 | |
77 | #define F2FS_MOUNT_NOHEAP 0x00000008 | |
78 | #define F2FS_MOUNT_XATTR_USER 0x00000010 | |
79 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 | |
80 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 | |
444c580f | 81 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
1001b347 | 82 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
34d67deb CY |
83 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
84 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 | |
85 | #define F2FS_MOUNT_NOBARRIER 0x00000800 | |
d5053a34 | 86 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
89672159 | 87 | #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 |
343f40f0 | 88 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
73faec4d | 89 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
0abd675e CY |
90 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
91 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
5c57132e | 92 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
4b2414d0 | 93 | #define F2FS_MOUNT_QUOTA 0x00400000 |
6afc662e | 94 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
7e65be49 | 95 | #define F2FS_MOUNT_RESERVE_ROOT 0x01000000 |
4354994f | 96 | #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000 |
a9117eca | 97 | #define F2FS_MOUNT_NORECOVERY 0x04000000 |
093749e2 | 98 | #define F2FS_MOUNT_ATGC 0x08000000 |
261eeb9c | 99 | #define F2FS_MOUNT_MERGE_CHECKPOINT 0x10000000 |
5911d2d1 | 100 | #define F2FS_MOUNT_GC_MERGE 0x20000000 |
39a53e0c | 101 | |
63189b78 CY |
102 | #define F2FS_OPTION(sbi) ((sbi)->mount_opt) |
103 | #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option) | |
104 | #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option) | |
105 | #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
106 | |
107 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
108 | typecheck(unsigned long long, b) && \ | |
109 | ((long long)((a) - (b)) > 0)) | |
110 | ||
a9841c4d JK |
111 | typedef u32 block_t; /* |
112 | * should not change u32, since it is the on-disk block | |
113 | * address format, __le32. | |
114 | */ | |
39a53e0c JK |
115 | typedef u32 nid_t; |
116 | ||
4c8ff709 CY |
117 | #define COMPRESS_EXT_NUM 16 |
118 | ||
39a53e0c | 119 | struct f2fs_mount_info { |
63189b78 CY |
120 | unsigned int opt; |
121 | int write_io_size_bits; /* Write IO size bits */ | |
122 | block_t root_reserved_blocks; /* root reserved blocks */ | |
123 | kuid_t s_resuid; /* reserved blocks for uid */ | |
124 | kgid_t s_resgid; /* reserved blocks for gid */ | |
125 | int active_logs; /* # of active logs */ | |
126 | int inline_xattr_size; /* inline xattr size */ | |
127 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
128 | struct f2fs_fault_info fault_info; /* For fault injection */ | |
129 | #endif | |
130 | #ifdef CONFIG_QUOTA | |
131 | /* Names of quota files with journalled quota */ | |
132 | char *s_qf_names[MAXQUOTAS]; | |
133 | int s_jquota_fmt; /* Format of quota to use */ | |
134 | #endif | |
135 | /* For which write hints are passed down to block layer */ | |
136 | int whint_mode; | |
137 | int alloc_mode; /* segment allocation policy */ | |
138 | int fsync_mode; /* fsync policy */ | |
b0332a0f | 139 | int fs_mode; /* fs mode: LFS or ADAPTIVE */ |
bbbc34fd | 140 | int bggc_mode; /* bggc mode: off, on or sync */ |
ac4acb1f | 141 | struct fscrypt_dummy_policy dummy_enc_policy; /* test dummy encryption */ |
1ae18f71 | 142 | block_t unusable_cap_perc; /* percentage for cap */ |
4d3aed70 DR |
143 | block_t unusable_cap; /* Amount of space allowed to be |
144 | * unusable when disabling checkpoint | |
145 | */ | |
4c8ff709 CY |
146 | |
147 | /* For compression */ | |
148 | unsigned char compress_algorithm; /* algorithm type */ | |
b28f047b | 149 | unsigned char compress_log_size; /* cluster log size */ |
3fde13f8 | 150 | unsigned char compress_level; /* compress level */ |
b28f047b | 151 | bool compress_chksum; /* compressed data chksum */ |
4c8ff709 | 152 | unsigned char compress_ext_cnt; /* extension count */ |
602a16d5 | 153 | int compress_mode; /* compression mode */ |
4c8ff709 | 154 | unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ |
39a53e0c JK |
155 | }; |
156 | ||
7a2af766 CY |
157 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
158 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
159 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
160 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
5c57132e | 161 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
704956ec | 162 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
6afc662e | 163 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
234a9689 | 164 | #define F2FS_FEATURE_QUOTA_INO 0x0080 |
1c1d35df | 165 | #define F2FS_FEATURE_INODE_CRTIME 0x0100 |
b7c409de | 166 | #define F2FS_FEATURE_LOST_FOUND 0x0200 |
95ae251f | 167 | #define F2FS_FEATURE_VERITY 0x0400 |
d440c52d | 168 | #define F2FS_FEATURE_SB_CHKSUM 0x0800 |
5aba5430 | 169 | #define F2FS_FEATURE_CASEFOLD 0x1000 |
4c8ff709 | 170 | #define F2FS_FEATURE_COMPRESSION 0x2000 |
a7d9fe3c | 171 | #define F2FS_FEATURE_RO 0x4000 |
cde4de12 | 172 | |
7beb01f7 CY |
173 | #define __F2FS_HAS_FEATURE(raw_super, mask) \ |
174 | ((raw_super->feature & cpu_to_le32(mask)) != 0) | |
175 | #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask) | |
176 | #define F2FS_SET_FEATURE(sbi, mask) \ | |
177 | (sbi->raw_super->feature |= cpu_to_le32(mask)) | |
178 | #define F2FS_CLEAR_FEATURE(sbi, mask) \ | |
179 | (sbi->raw_super->feature &= ~cpu_to_le32(mask)) | |
76f105a2 | 180 | |
7c2e5963 JK |
181 | /* |
182 | * Default values for user and/or group using reserved blocks | |
183 | */ | |
184 | #define F2FS_DEF_RESUID 0 | |
185 | #define F2FS_DEF_RESGID 0 | |
186 | ||
39a53e0c JK |
187 | /* |
188 | * For checkpoint manager | |
189 | */ | |
190 | enum { | |
191 | NAT_BITMAP, | |
192 | SIT_BITMAP | |
193 | }; | |
194 | ||
c473f1a9 CY |
195 | #define CP_UMOUNT 0x00000001 |
196 | #define CP_FASTBOOT 0x00000002 | |
197 | #define CP_SYNC 0x00000004 | |
198 | #define CP_RECOVERY 0x00000008 | |
199 | #define CP_DISCARD 0x00000010 | |
1f43e2ad | 200 | #define CP_TRIMMED 0x00000020 |
4354994f | 201 | #define CP_PAUSE 0x00000040 |
b4b10061 | 202 | #define CP_RESIZE 0x00000080 |
75ab4cb8 | 203 | |
4ddb1a4d | 204 | #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi) |
ecc9aa00 | 205 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
969d1b18 | 206 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
f9d1dced | 207 | #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */ |
969d1b18 | 208 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ |
8bb4f253 | 209 | #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */ |
60b99b48 | 210 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
dcf25fe8 | 211 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
4354994f | 212 | #define DEF_DISABLE_INTERVAL 5 /* 5 secs */ |
db610a64 | 213 | #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */ |
03f2c02d | 214 | #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */ |
bba681cb | 215 | |
75ab4cb8 JK |
216 | struct cp_control { |
217 | int reason; | |
4b2fecc8 JK |
218 | __u64 trim_start; |
219 | __u64 trim_end; | |
220 | __u64 trim_minlen; | |
75ab4cb8 JK |
221 | }; |
222 | ||
662befda | 223 | /* |
e1da7872 | 224 | * indicate meta/data type |
662befda CY |
225 | */ |
226 | enum { | |
227 | META_CP, | |
228 | META_NAT, | |
81c1a0f1 | 229 | META_SIT, |
4c521f49 | 230 | META_SSA, |
b63e7be5 | 231 | META_MAX, |
4c521f49 | 232 | META_POR, |
93770ab7 CY |
233 | DATA_GENERIC, /* check range only */ |
234 | DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */ | |
235 | DATA_GENERIC_ENHANCE_READ, /* | |
236 | * strong check on range and segment | |
237 | * bitmap but no warning due to race | |
238 | * condition of read on truncated area | |
239 | * by extent_cache | |
240 | */ | |
e1da7872 | 241 | META_GENERIC, |
662befda CY |
242 | }; |
243 | ||
6451e041 JK |
244 | /* for the list of ino */ |
245 | enum { | |
246 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
247 | APPEND_INO, /* for append ino list */ |
248 | UPDATE_INO, /* for update ino list */ | |
0a007b97 | 249 | TRANS_DIR_INO, /* for trasactions dir ino list */ |
39d787be | 250 | FLUSH_INO, /* for multiple device flushing */ |
6451e041 JK |
251 | MAX_INO_ENTRY, /* max. list */ |
252 | }; | |
253 | ||
254 | struct ino_entry { | |
39d787be CY |
255 | struct list_head list; /* list head */ |
256 | nid_t ino; /* inode number */ | |
257 | unsigned int dirty_device; /* dirty device bitmap */ | |
39a53e0c JK |
258 | }; |
259 | ||
2710fd7e | 260 | /* for the list of inodes to be GCed */ |
06292073 | 261 | struct inode_entry { |
39a53e0c JK |
262 | struct list_head list; /* list head */ |
263 | struct inode *inode; /* vfs inode pointer */ | |
264 | }; | |
265 | ||
50fa53ec CY |
266 | struct fsync_node_entry { |
267 | struct list_head list; /* list head */ | |
268 | struct page *page; /* warm node page pointer */ | |
269 | unsigned int seq_id; /* sequence id */ | |
270 | }; | |
271 | ||
261eeb9c DJ |
272 | struct ckpt_req { |
273 | struct completion wait; /* completion for checkpoint done */ | |
274 | struct llist_node llnode; /* llist_node to be linked in wait queue */ | |
275 | int ret; /* return code of checkpoint */ | |
276 | ktime_t queue_time; /* request queued time */ | |
277 | }; | |
278 | ||
279 | struct ckpt_req_control { | |
280 | struct task_struct *f2fs_issue_ckpt; /* checkpoint task */ | |
e6592066 | 281 | int ckpt_thread_ioprio; /* checkpoint merge thread ioprio */ |
261eeb9c DJ |
282 | wait_queue_head_t ckpt_wait_queue; /* waiting queue for wake-up */ |
283 | atomic_t issued_ckpt; /* # of actually issued ckpts */ | |
284 | atomic_t total_ckpt; /* # of total ckpts */ | |
285 | atomic_t queued_ckpt; /* # of queued ckpts */ | |
286 | struct llist_head issue_list; /* list for command issue */ | |
287 | spinlock_t stat_lock; /* lock for below checkpoint time stats */ | |
288 | unsigned int cur_time; /* cur wait time in msec for currently issued checkpoint */ | |
289 | unsigned int peak_time; /* peak wait time in msec until now */ | |
290 | }; | |
291 | ||
a7eeb823 | 292 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
293 | struct discard_entry { |
294 | struct list_head list; /* list head */ | |
a7eeb823 CY |
295 | block_t start_blkaddr; /* start blockaddr of current segment */ |
296 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
7fd9e544 JK |
297 | }; |
298 | ||
969d1b18 CY |
299 | /* default discard granularity of inner discard thread, unit: block count */ |
300 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
301 | ||
ba48a33e CY |
302 | /* max discard pend list number */ |
303 | #define MAX_PLIST_NUM 512 | |
304 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
2f84babf | 305 | (MAX_PLIST_NUM - 1) : ((blk_num) - 1)) |
ba48a33e | 306 | |
15469963 | 307 | enum { |
35ec7d57 CY |
308 | D_PREP, /* initial */ |
309 | D_PARTIAL, /* partially submitted */ | |
310 | D_SUBMIT, /* all submitted */ | |
311 | D_DONE, /* finished */ | |
15469963 JK |
312 | }; |
313 | ||
004b6862 CY |
314 | struct discard_info { |
315 | block_t lstart; /* logical start address */ | |
316 | block_t len; /* length */ | |
317 | block_t start; /* actual start address in dev */ | |
318 | }; | |
319 | ||
b01a9201 | 320 | struct discard_cmd { |
004b6862 CY |
321 | struct rb_node rb_node; /* rb node located in rb-tree */ |
322 | union { | |
323 | struct { | |
324 | block_t lstart; /* logical start address */ | |
325 | block_t len; /* length */ | |
326 | block_t start; /* actual start address in dev */ | |
327 | }; | |
328 | struct discard_info di; /* discard info */ | |
329 | ||
330 | }; | |
b01a9201 JK |
331 | struct list_head list; /* command list */ |
332 | struct completion wait; /* compleation */ | |
c81abe34 | 333 | struct block_device *bdev; /* bdev */ |
ec9895ad | 334 | unsigned short ref; /* reference count */ |
9a744b92 | 335 | unsigned char state; /* state */ |
72691af6 | 336 | unsigned char queued; /* queued discard */ |
c81abe34 | 337 | int error; /* bio error */ |
35ec7d57 CY |
338 | spinlock_t lock; /* for state/bio_ref updating */ |
339 | unsigned short bio_ref; /* bio reference count */ | |
275b66b0 CY |
340 | }; |
341 | ||
78997b56 CY |
342 | enum { |
343 | DPOLICY_BG, | |
344 | DPOLICY_FORCE, | |
345 | DPOLICY_FSTRIM, | |
346 | DPOLICY_UMOUNT, | |
347 | MAX_DPOLICY, | |
348 | }; | |
349 | ||
ecc9aa00 | 350 | struct discard_policy { |
78997b56 | 351 | int type; /* type of discard */ |
ecc9aa00 | 352 | unsigned int min_interval; /* used for candidates exist */ |
f9d1dced | 353 | unsigned int mid_interval; /* used for device busy */ |
ecc9aa00 CY |
354 | unsigned int max_interval; /* used for candidates not exist */ |
355 | unsigned int max_requests; /* # of discards issued per round */ | |
356 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ | |
357 | bool io_aware; /* issue discard in idle time */ | |
358 | bool sync; /* submit discard with REQ_SYNC flag */ | |
20ee4382 | 359 | bool ordered; /* issue discard by lba order */ |
6ce48b0c | 360 | bool timeout; /* discard timeout for put_super */ |
78997b56 | 361 | unsigned int granularity; /* discard granularity */ |
ecc9aa00 CY |
362 | }; |
363 | ||
0b54fb84 | 364 | struct discard_cmd_control { |
15469963 | 365 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
46f84c2c | 366 | struct list_head entry_list; /* 4KB discard entry list */ |
ba48a33e | 367 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
46f84c2c | 368 | struct list_head wait_list; /* store on-flushing entries */ |
8412663d | 369 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
15469963 | 370 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
969d1b18 | 371 | unsigned int discard_wake; /* to wake up discard thread */ |
15469963 | 372 | struct mutex cmd_lock; |
d618ebaf CY |
373 | unsigned int nr_discards; /* # of discards in the list */ |
374 | unsigned int max_discards; /* max. discards to be issued */ | |
969d1b18 | 375 | unsigned int discard_granularity; /* discard granularity */ |
d84d1cbd | 376 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
20ee4382 | 377 | unsigned int next_pos; /* next discard position */ |
8b8dd65f | 378 | atomic_t issued_discard; /* # of issued discard */ |
72691af6 | 379 | atomic_t queued_discard; /* # of queued discard */ |
5f32366a | 380 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
4dada3fd | 381 | struct rb_root_cached root; /* root of discard rb-tree */ |
67fce70b | 382 | bool rbtree_check; /* config for consistence check */ |
275b66b0 CY |
383 | }; |
384 | ||
39a53e0c JK |
385 | /* for the list of fsync inodes, used only during recovery */ |
386 | struct fsync_inode_entry { | |
387 | struct list_head list; /* list head */ | |
388 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
389 | block_t blkaddr; /* block address locating the last fsync */ |
390 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
391 | }; |
392 | ||
68afcf2d TK |
393 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
394 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 395 | |
68afcf2d TK |
396 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
397 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
398 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
399 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 400 | |
dfc08a12 CY |
401 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
402 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 403 | |
dfc08a12 | 404 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 405 | { |
dfc08a12 | 406 | int before = nats_in_cursum(journal); |
cac5a3d8 | 407 | |
dfc08a12 | 408 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
409 | return before; |
410 | } | |
411 | ||
dfc08a12 | 412 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 413 | { |
dfc08a12 | 414 | int before = sits_in_cursum(journal); |
cac5a3d8 | 415 | |
dfc08a12 | 416 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
417 | return before; |
418 | } | |
419 | ||
dfc08a12 CY |
420 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
421 | int size, int type) | |
184a5cd2 CY |
422 | { |
423 | if (type == NAT_JOURNAL) | |
dfc08a12 CY |
424 | return size <= MAX_NAT_JENTRIES(journal); |
425 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
426 | } |
427 | ||
f2470371 CY |
428 | /* for inline stuff */ |
429 | #define DEF_INLINE_RESERVED_SIZE 1 | |
7a2af766 | 430 | static inline int get_extra_isize(struct inode *inode); |
6afc662e | 431 | static inline int get_inline_xattr_addrs(struct inode *inode); |
6afc662e CY |
432 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ |
433 | (CUR_ADDRS_PER_INODE(inode) - \ | |
b323fd28 | 434 | get_inline_xattr_addrs(inode) - \ |
6afc662e | 435 | DEF_INLINE_RESERVED_SIZE)) |
f2470371 CY |
436 | |
437 | /* for inline dir */ | |
438 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
439 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
440 | BITS_PER_BYTE + 1)) | |
f91108b8 GU |
441 | #define INLINE_DENTRY_BITMAP_SIZE(inode) \ |
442 | DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE) | |
f2470371 CY |
443 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ |
444 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
445 | NR_INLINE_DENTRY(inode) + \ | |
446 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
447 | ||
39a53e0c JK |
448 | /* |
449 | * For INODE and NODE manager | |
450 | */ | |
7b3cd7d6 | 451 | /* for directory operations */ |
43c780ba EB |
452 | |
453 | struct f2fs_filename { | |
454 | /* | |
455 | * The filename the user specified. This is NULL for some | |
456 | * filesystem-internal operations, e.g. converting an inline directory | |
457 | * to a non-inline one, or roll-forward recovering an encrypted dentry. | |
458 | */ | |
459 | const struct qstr *usr_fname; | |
460 | ||
461 | /* | |
462 | * The on-disk filename. For encrypted directories, this is encrypted. | |
463 | * This may be NULL for lookups in an encrypted dir without the key. | |
464 | */ | |
465 | struct fscrypt_str disk_name; | |
466 | ||
467 | /* The dirhash of this filename */ | |
468 | f2fs_hash_t hash; | |
469 | ||
470 | #ifdef CONFIG_FS_ENCRYPTION | |
471 | /* | |
472 | * For lookups in encrypted directories: either the buffer backing | |
473 | * disk_name, or a buffer that holds the decoded no-key name. | |
474 | */ | |
475 | struct fscrypt_str crypto_buf; | |
476 | #endif | |
477 | #ifdef CONFIG_UNICODE | |
478 | /* | |
479 | * For casefolded directories: the casefolded name, but it's left NULL | |
7ad08a58 DR |
480 | * if the original name is not valid Unicode, if the directory is both |
481 | * casefolded and encrypted and its encryption key is unavailable, or if | |
482 | * the filesystem is doing an internal operation where usr_fname is also | |
483 | * NULL. In all these cases we fall back to treating the name as an | |
484 | * opaque byte sequence. | |
43c780ba EB |
485 | */ |
486 | struct fscrypt_str cf_name; | |
487 | #endif | |
488 | }; | |
489 | ||
7b3cd7d6 | 490 | struct f2fs_dentry_ptr { |
d8c6822a | 491 | struct inode *inode; |
76a9dd85 | 492 | void *bitmap; |
7b3cd7d6 JK |
493 | struct f2fs_dir_entry *dentry; |
494 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
495 | int max; | |
76a9dd85 | 496 | int nr_bitmap; |
7b3cd7d6 JK |
497 | }; |
498 | ||
64c24ecb TK |
499 | static inline void make_dentry_ptr_block(struct inode *inode, |
500 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 501 | { |
d8c6822a | 502 | d->inode = inode; |
64c24ecb | 503 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 504 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
c79d1520 | 505 | d->bitmap = t->dentry_bitmap; |
64c24ecb TK |
506 | d->dentry = t->dentry; |
507 | d->filename = t->filename; | |
508 | } | |
d8c6822a | 509 | |
64c24ecb | 510 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 511 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 512 | { |
f2470371 CY |
513 | int entry_cnt = NR_INLINE_DENTRY(inode); |
514 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
515 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
516 | ||
64c24ecb | 517 | d->inode = inode; |
f2470371 CY |
518 | d->max = entry_cnt; |
519 | d->nr_bitmap = bitmap_size; | |
520 | d->bitmap = t; | |
521 | d->dentry = t + bitmap_size + reserved_size; | |
522 | d->filename = t + bitmap_size + reserved_size + | |
523 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
524 | } |
525 | ||
dbe6a5ff JK |
526 | /* |
527 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
528 | * as its node offset to distinguish from index node blocks. | |
529 | * But some bits are used to mark the node block. | |
530 | */ | |
531 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
532 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
533 | enum { |
534 | ALLOC_NODE, /* allocate a new node page if needed */ | |
535 | LOOKUP_NODE, /* look up a node without readahead */ | |
536 | LOOKUP_NODE_RA, /* | |
537 | * look up a node with readahead called | |
4f4124d0 | 538 | * by get_data_block. |
39a53e0c | 539 | */ |
266e97a8 JK |
540 | }; |
541 | ||
7735730d CY |
542 | #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */ |
543 | ||
5df7731f CY |
544 | /* congestion wait timeout value, default: 20ms */ |
545 | #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20)) | |
546 | ||
af033b2a CY |
547 | /* maximum retry quota flush count */ |
548 | #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8 | |
549 | ||
a6db67f0 | 550 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 551 | |
817202d9 CY |
552 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
553 | ||
39a53e0c | 554 | /* for in-memory extent cache entry */ |
13054c54 CY |
555 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
556 | ||
557 | /* number of extent info in extent cache we try to shrink */ | |
558 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 559 | |
54c2258c CY |
560 | struct rb_entry { |
561 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
2e9b2bb2 CY |
562 | union { |
563 | struct { | |
564 | unsigned int ofs; /* start offset of the entry */ | |
565 | unsigned int len; /* length of the entry */ | |
566 | }; | |
567 | unsigned long long key; /* 64-bits key */ | |
48046cb5 | 568 | } __packed; |
54c2258c CY |
569 | }; |
570 | ||
39a53e0c | 571 | struct extent_info { |
13054c54 | 572 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 573 | unsigned int len; /* length of the extent */ |
54c2258c | 574 | u32 blk; /* start block address of the extent */ |
13054c54 CY |
575 | }; |
576 | ||
577 | struct extent_node { | |
c0362117 CY |
578 | struct rb_node rb_node; /* rb node located in rb-tree */ |
579 | struct extent_info ei; /* extent info */ | |
13054c54 | 580 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 581 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
582 | }; |
583 | ||
584 | struct extent_tree { | |
585 | nid_t ino; /* inode number */ | |
4dada3fd | 586 | struct rb_root_cached root; /* root of extent info rb-tree */ |
62c8af65 | 587 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 588 | struct extent_info largest; /* largested extent info */ |
137d09f0 | 589 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 590 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 591 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
b430f726 | 592 | bool largest_updated; /* largest extent updated */ |
39a53e0c JK |
593 | }; |
594 | ||
003a3e1d JK |
595 | /* |
596 | * This structure is taken from ext4_map_blocks. | |
597 | * | |
598 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
599 | */ | |
600 | #define F2FS_MAP_NEW (1 << BH_New) | |
601 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
602 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
603 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
604 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
605 | |
606 | struct f2fs_map_blocks { | |
607 | block_t m_pblk; | |
608 | block_t m_lblk; | |
609 | unsigned int m_len; | |
610 | unsigned int m_flags; | |
da85985c | 611 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
c4020b2d | 612 | pgoff_t *m_next_extent; /* point to next possible extent */ |
d5097be5 | 613 | int m_seg_type; |
f9d6d059 | 614 | bool m_may_create; /* indicate it is from write path */ |
003a3e1d JK |
615 | }; |
616 | ||
e2b4e2bc | 617 | /* for flag in get_data_block */ |
f2220c7f QS |
618 | enum { |
619 | F2FS_GET_BLOCK_DEFAULT, | |
620 | F2FS_GET_BLOCK_FIEMAP, | |
621 | F2FS_GET_BLOCK_BMAP, | |
0a4daae5 | 622 | F2FS_GET_BLOCK_DIO, |
f2220c7f QS |
623 | F2FS_GET_BLOCK_PRE_DIO, |
624 | F2FS_GET_BLOCK_PRE_AIO, | |
c4020b2d | 625 | F2FS_GET_BLOCK_PRECACHE, |
f2220c7f | 626 | }; |
e2b4e2bc | 627 | |
39a53e0c JK |
628 | /* |
629 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
630 | */ | |
631 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 632 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 633 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 634 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 635 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
b6a06cbb | 636 | #define FADVISE_HOT_BIT 0x20 |
95ae251f | 637 | #define FADVISE_VERITY_BIT 0x40 |
39a53e0c | 638 | |
797c1cb5 CY |
639 | #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT) |
640 | ||
b5492af7 | 641 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
b5492af7 | 642 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) |
b5492af7 | 643 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) |
1153db09 CY |
644 | |
645 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
646 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
b5492af7 | 647 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) |
1153db09 | 648 | |
cde4de12 JK |
649 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
650 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
1153db09 | 651 | |
e7d55452 JK |
652 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
653 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
1153db09 | 654 | |
26787236 JK |
655 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
656 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
1153db09 | 657 | |
b6a06cbb CY |
658 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) |
659 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) | |
660 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) | |
1153db09 | 661 | |
95ae251f EB |
662 | #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT) |
663 | #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT) | |
cde4de12 | 664 | |
ab9fa662 JK |
665 | #define DEF_DIR_LEVEL 0 |
666 | ||
2ef79ecb CY |
667 | enum { |
668 | GC_FAILURE_PIN, | |
669 | GC_FAILURE_ATOMIC, | |
670 | MAX_GC_FAILURE | |
671 | }; | |
672 | ||
7653b9d8 CY |
673 | /* used for f2fs_inode_info->flags */ |
674 | enum { | |
675 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
676 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ | |
677 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ | |
678 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ | |
679 | FI_INC_LINK, /* need to increment i_nlink */ | |
680 | FI_ACL_MODE, /* indicate acl mode */ | |
681 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
682 | FI_FREE_NID, /* free allocated nide */ | |
683 | FI_NO_EXTENT, /* not to use the extent cache */ | |
684 | FI_INLINE_XATTR, /* used for inline xattr */ | |
685 | FI_INLINE_DATA, /* used for inline data*/ | |
686 | FI_INLINE_DENTRY, /* used for inline dentry */ | |
687 | FI_APPEND_WRITE, /* inode has appended data */ | |
688 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
689 | FI_NEED_IPU, /* used for ipu per file */ | |
690 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
691 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ | |
692 | FI_VOLATILE_FILE, /* indicate volatile file */ | |
693 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ | |
694 | FI_DROP_CACHE, /* drop dirty page cache */ | |
695 | FI_DATA_EXIST, /* indicate data exists */ | |
696 | FI_INLINE_DOTS, /* indicate inline dot dentries */ | |
697 | FI_DO_DEFRAG, /* indicate defragment is running */ | |
698 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ | |
699 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ | |
700 | FI_HOT_DATA, /* indicate file is hot */ | |
701 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ | |
702 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ | |
703 | FI_PIN_FILE, /* indicate file should not be gced */ | |
704 | FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */ | |
705 | FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */ | |
706 | FI_COMPRESSED_FILE, /* indicate file's data can be compressed */ | |
b28f047b | 707 | FI_COMPRESS_CORRUPT, /* indicate compressed cluster is corrupted */ |
7653b9d8 | 708 | FI_MMAP_FILE, /* indicate file was mmapped */ |
602a16d5 | 709 | FI_ENABLE_COMPRESS, /* enable compression in "user" compression mode */ |
c6140415 | 710 | FI_COMPRESS_RELEASED, /* compressed blocks were released */ |
7653b9d8 CY |
711 | FI_MAX, /* max flag, never be used */ |
712 | }; | |
713 | ||
39a53e0c JK |
714 | struct f2fs_inode_info { |
715 | struct inode vfs_inode; /* serve a vfs inode */ | |
716 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
717 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 718 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
2ef79ecb CY |
719 | unsigned int i_current_depth; /* only for directory depth */ |
720 | /* for gc failure statistic */ | |
721 | unsigned int i_gc_failures[MAX_GC_FAILURE]; | |
6666e6aa | 722 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
723 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
724 | ||
725 | /* Use below internally in f2fs*/ | |
7653b9d8 | 726 | unsigned long flags[BITS_TO_LONGS(FI_MAX)]; /* use to pass per-file flags */ |
d928bfbf | 727 | struct rw_semaphore i_sem; /* protect fi info */ |
204706c7 | 728 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
729 | f2fs_hash_t chash; /* hash value of given file name */ |
730 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 731 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 732 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
39a53e0c | 733 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 734 | loff_t last_disk_size; /* lastly written file size */ |
c10c9820 | 735 | spinlock_t i_size_lock; /* protect last_disk_size */ |
88b88a66 | 736 | |
0abd675e CY |
737 | #ifdef CONFIG_QUOTA |
738 | struct dquot *i_dquot[MAXQUOTAS]; | |
739 | ||
740 | /* quota space reservation, managed internally by quota code */ | |
741 | qsize_t i_reserved_quota; | |
742 | #endif | |
0f18b462 JK |
743 | struct list_head dirty_list; /* dirty list for dirs and files */ |
744 | struct list_head gdirty_list; /* linked in global dirty list */ | |
57864ae5 | 745 | struct list_head inmem_ilist; /* list for inmem inodes */ |
88b88a66 | 746 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
7a10f017 | 747 | struct task_struct *inmem_task; /* store inmemory task */ |
88b88a66 | 748 | struct mutex inmem_lock; /* lock for inmemory pages */ |
3e72f721 | 749 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
b2532c69 CY |
750 | |
751 | /* avoid racing between foreground op and gc */ | |
752 | struct rw_semaphore i_gc_rwsem[2]; | |
5a3a2d83 | 753 | struct rw_semaphore i_mmap_sem; |
27161f13 | 754 | struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ |
f2470371 | 755 | |
7a2af766 | 756 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 757 | kprojid_t i_projid; /* id for project quota */ |
6afc662e | 758 | int i_inline_xattr_size; /* inline xattr size */ |
24b81dfc AB |
759 | struct timespec64 i_crtime; /* inode creation time */ |
760 | struct timespec64 i_disk_time[4];/* inode disk times */ | |
4c8ff709 CY |
761 | |
762 | /* for file compress */ | |
c2759eba | 763 | atomic_t i_compr_blocks; /* # of compressed blocks */ |
4c8ff709 CY |
764 | unsigned char i_compress_algorithm; /* algorithm type */ |
765 | unsigned char i_log_cluster_size; /* log of cluster size */ | |
3fde13f8 | 766 | unsigned char i_compress_level; /* compress level (lz4hc,zstd) */ |
b28f047b | 767 | unsigned short i_compress_flag; /* compress flag */ |
4c8ff709 | 768 | unsigned int i_cluster_size; /* cluster size */ |
39a53e0c JK |
769 | }; |
770 | ||
771 | static inline void get_extent_info(struct extent_info *ext, | |
bd933d4f | 772 | struct f2fs_extent *i_ext) |
39a53e0c | 773 | { |
bd933d4f CY |
774 | ext->fofs = le32_to_cpu(i_ext->fofs); |
775 | ext->blk = le32_to_cpu(i_ext->blk); | |
776 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
777 | } |
778 | ||
779 | static inline void set_raw_extent(struct extent_info *ext, | |
780 | struct f2fs_extent *i_ext) | |
781 | { | |
39a53e0c | 782 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 783 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 784 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
785 | } |
786 | ||
429511cd CY |
787 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
788 | u32 blk, unsigned int len) | |
789 | { | |
790 | ei->fofs = fofs; | |
791 | ei->blk = blk; | |
792 | ei->len = len; | |
793 | } | |
794 | ||
004b6862 | 795 | static inline bool __is_discard_mergeable(struct discard_info *back, |
35ec7d57 | 796 | struct discard_info *front, unsigned int max_len) |
004b6862 | 797 | { |
9a997188 | 798 | return (back->lstart + back->len == front->lstart) && |
35ec7d57 | 799 | (back->len + front->len <= max_len); |
004b6862 CY |
800 | } |
801 | ||
802 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
35ec7d57 | 803 | struct discard_info *back, unsigned int max_len) |
004b6862 | 804 | { |
35ec7d57 | 805 | return __is_discard_mergeable(back, cur, max_len); |
004b6862 CY |
806 | } |
807 | ||
808 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
35ec7d57 | 809 | struct discard_info *front, unsigned int max_len) |
004b6862 | 810 | { |
35ec7d57 | 811 | return __is_discard_mergeable(cur, front, max_len); |
004b6862 CY |
812 | } |
813 | ||
429511cd CY |
814 | static inline bool __is_extent_mergeable(struct extent_info *back, |
815 | struct extent_info *front) | |
816 | { | |
817 | return (back->fofs + back->len == front->fofs && | |
818 | back->blk + back->len == front->blk); | |
819 | } | |
820 | ||
821 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
822 | struct extent_info *back) | |
823 | { | |
824 | return __is_extent_mergeable(back, cur); | |
825 | } | |
826 | ||
827 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
828 | struct extent_info *front) | |
829 | { | |
830 | return __is_extent_mergeable(cur, front); | |
831 | } | |
832 | ||
cac5a3d8 | 833 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
b430f726 ZZ |
834 | static inline void __try_update_largest_extent(struct extent_tree *et, |
835 | struct extent_node *en) | |
4abd3f5a | 836 | { |
205b9822 | 837 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 838 | et->largest = en->ei; |
b430f726 | 839 | et->largest_updated = true; |
205b9822 | 840 | } |
4abd3f5a CY |
841 | } |
842 | ||
9a4ffdf5 CY |
843 | /* |
844 | * For free nid management | |
845 | */ | |
846 | enum nid_state { | |
847 | FREE_NID, /* newly added to free nid list */ | |
848 | PREALLOC_NID, /* it is preallocated */ | |
849 | MAX_NID_STATE, | |
b8559dc2 CY |
850 | }; |
851 | ||
a95ba66a JK |
852 | enum nat_state { |
853 | TOTAL_NAT, | |
854 | DIRTY_NAT, | |
855 | RECLAIMABLE_NAT, | |
856 | MAX_NAT_STATE, | |
857 | }; | |
858 | ||
39a53e0c JK |
859 | struct f2fs_nm_info { |
860 | block_t nat_blkaddr; /* base disk address of NAT */ | |
861 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 862 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 863 | nid_t next_scan_nid; /* the next nid to be scanned */ |
cdfc41c1 | 864 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 865 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 866 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
867 | |
868 | /* NAT cache management */ | |
869 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 870 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
f3e367d4 | 871 | struct rw_semaphore nat_tree_lock; /* protect nat entry tree */ |
39a53e0c | 872 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
22969158 | 873 | spinlock_t nat_list_lock; /* protect clean nat entry list */ |
a95ba66a | 874 | unsigned int nat_cnt[MAX_NAT_STATE]; /* the # of cached nat entries */ |
22ad0b6a | 875 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
876 | |
877 | /* free node ids management */ | |
8a7ed66a | 878 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
9a4ffdf5 CY |
879 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
880 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
b8559dc2 | 881 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 882 | struct mutex build_lock; /* lock for build free nids */ |
bb1105e4 | 883 | unsigned char **free_nid_bitmap; |
4ac91242 | 884 | unsigned char *nat_block_bitmap; |
586d1492 | 885 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
886 | |
887 | /* for checkpoint */ | |
888 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
889 | |
890 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
891 | unsigned char *nat_bits; /* NAT bits blocks */ | |
892 | unsigned char *full_nat_bits; /* full NAT pages */ | |
893 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
894 | #ifdef CONFIG_F2FS_CHECK_FS |
895 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
896 | #endif | |
39a53e0c JK |
897 | int bitmap_size; /* bitmap size */ |
898 | }; | |
899 | ||
900 | /* | |
901 | * this structure is used as one of function parameters. | |
902 | * all the information are dedicated to a given direct node block determined | |
903 | * by the data offset in a file. | |
904 | */ | |
905 | struct dnode_of_data { | |
906 | struct inode *inode; /* vfs inode pointer */ | |
907 | struct page *inode_page; /* its inode page, NULL is possible */ | |
908 | struct page *node_page; /* cached direct node page */ | |
909 | nid_t nid; /* node id of the direct node block */ | |
910 | unsigned int ofs_in_node; /* data offset in the node page */ | |
911 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 912 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
913 | char cur_level; /* level of hole node page */ |
914 | char max_level; /* level of current page located */ | |
39a53e0c JK |
915 | block_t data_blkaddr; /* block address of the node block */ |
916 | }; | |
917 | ||
918 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
919 | struct page *ipage, struct page *npage, nid_t nid) | |
920 | { | |
d66d1f76 | 921 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
922 | dn->inode = inode; |
923 | dn->inode_page = ipage; | |
924 | dn->node_page = npage; | |
925 | dn->nid = nid; | |
39a53e0c JK |
926 | } |
927 | ||
928 | /* | |
929 | * For SIT manager | |
930 | * | |
931 | * By default, there are 6 active log areas across the whole main area. | |
932 | * When considering hot and cold data separation to reduce cleaning overhead, | |
933 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
934 | * respectively. | |
935 | * In the current design, you should not change the numbers intentionally. | |
936 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
937 | * logs individually according to the underlying devices. (default: 6) | |
938 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
939 | * data and 8 for node logs. | |
940 | */ | |
941 | #define NR_CURSEG_DATA_TYPE (3) | |
942 | #define NR_CURSEG_NODE_TYPE (3) | |
093749e2 | 943 | #define NR_CURSEG_INMEM_TYPE (2) |
a7d9fe3c | 944 | #define NR_CURSEG_RO_TYPE (2) |
d0b9e42a CY |
945 | #define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) |
946 | #define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE) | |
39a53e0c JK |
947 | |
948 | enum { | |
949 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
950 | CURSEG_WARM_DATA, /* data blocks */ | |
951 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
952 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
953 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
954 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
d0b9e42a CY |
955 | NR_PERSISTENT_LOG, /* number of persistent log */ |
956 | CURSEG_COLD_DATA_PINNED = NR_PERSISTENT_LOG, | |
957 | /* pinned file that needs consecutive block address */ | |
093749e2 | 958 | CURSEG_ALL_DATA_ATGC, /* SSR alloctor in hot/warm/cold data area */ |
d0b9e42a | 959 | NO_CHECK_TYPE, /* number of persistent & inmem log */ |
39a53e0c JK |
960 | }; |
961 | ||
6b4afdd7 | 962 | struct flush_cmd { |
6b4afdd7 | 963 | struct completion wait; |
721bd4d5 | 964 | struct llist_node llnode; |
39d787be | 965 | nid_t ino; |
6b4afdd7 JK |
966 | int ret; |
967 | }; | |
968 | ||
a688b9d9 GZ |
969 | struct flush_cmd_control { |
970 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
971 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f | 972 | atomic_t issued_flush; /* # of issued flushes */ |
72691af6 | 973 | atomic_t queued_flush; /* # of queued flushes */ |
721bd4d5 GZ |
974 | struct llist_head issue_list; /* list for command issue */ |
975 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
976 | }; |
977 | ||
39a53e0c JK |
978 | struct f2fs_sm_info { |
979 | struct sit_info *sit_info; /* whole segment information */ | |
980 | struct free_segmap_info *free_info; /* free segment information */ | |
981 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
982 | struct curseg_info *curseg_array; /* active segment information */ | |
983 | ||
2b60311d CY |
984 | struct rw_semaphore curseg_lock; /* for preventing curseg change */ |
985 | ||
39a53e0c JK |
986 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
987 | block_t main_blkaddr; /* start block address of main area */ | |
988 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
989 | ||
990 | unsigned int segment_count; /* total # of segments */ | |
991 | unsigned int main_segments; /* # of segments in main area */ | |
992 | unsigned int reserved_segments; /* # of reserved segments */ | |
993 | unsigned int ovp_segments; /* # of overprovision segments */ | |
81eb8d6e JK |
994 | |
995 | /* a threshold to reclaim prefree segments */ | |
996 | unsigned int rec_prefree_segments; | |
7fd9e544 | 997 | |
bba681cb JK |
998 | /* for batched trimming */ |
999 | unsigned int trim_sections; /* # of sections to trim */ | |
1000 | ||
184a5cd2 CY |
1001 | struct list_head sit_entry_set; /* sit entry set list */ |
1002 | ||
216fbd64 JK |
1003 | unsigned int ipu_policy; /* in-place-update policy */ |
1004 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 1005 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
853137ce | 1006 | unsigned int min_seq_blocks; /* threshold for sequential blocks */ |
ef095d19 | 1007 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
a2a12b67 | 1008 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
1009 | |
1010 | /* for flush command control */ | |
b01a9201 | 1011 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 1012 | |
0b54fb84 JK |
1013 | /* for discard command control */ |
1014 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
1015 | }; |
1016 | ||
39a53e0c JK |
1017 | /* |
1018 | * For superblock | |
1019 | */ | |
1020 | /* | |
1021 | * COUNT_TYPE for monitoring | |
1022 | * | |
1023 | * f2fs monitors the number of several block types such as on-writeback, | |
1024 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
1025 | */ | |
36951b38 | 1026 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 1027 | enum count_type { |
39a53e0c | 1028 | F2FS_DIRTY_DENTS, |
c227f912 | 1029 | F2FS_DIRTY_DATA, |
2c8a4a28 | 1030 | F2FS_DIRTY_QDATA, |
39a53e0c JK |
1031 | F2FS_DIRTY_NODES, |
1032 | F2FS_DIRTY_META, | |
8dcf2ff7 | 1033 | F2FS_INMEM_PAGES, |
0f18b462 | 1034 | F2FS_DIRTY_IMETA, |
36951b38 CY |
1035 | F2FS_WB_CP_DATA, |
1036 | F2FS_WB_DATA, | |
5f9abab4 JK |
1037 | F2FS_RD_DATA, |
1038 | F2FS_RD_NODE, | |
1039 | F2FS_RD_META, | |
02b16d0a CY |
1040 | F2FS_DIO_WRITE, |
1041 | F2FS_DIO_READ, | |
39a53e0c JK |
1042 | NR_COUNT_TYPE, |
1043 | }; | |
1044 | ||
39a53e0c | 1045 | /* |
e1c42045 | 1046 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
1047 | * The available types are: |
1048 | * DATA User data pages. It operates as async mode. | |
1049 | * NODE Node pages. It operates as async mode. | |
1050 | * META FS metadata pages such as SIT, NAT, CP. | |
1051 | * NR_PAGE_TYPE The number of page types. | |
1052 | * META_FLUSH Make sure the previous pages are written | |
1053 | * with waiting the bio's completion | |
1054 | * ... Only can be used with META. | |
1055 | */ | |
7d5e5109 | 1056 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c JK |
1057 | enum page_type { |
1058 | DATA, | |
1059 | NODE, | |
1060 | META, | |
1061 | NR_PAGE_TYPE, | |
1062 | META_FLUSH, | |
8ce67cb0 JK |
1063 | INMEM, /* the below types are used by tracepoints only. */ |
1064 | INMEM_DROP, | |
8c242db9 | 1065 | INMEM_INVALIDATE, |
28bc106b | 1066 | INMEM_REVOKE, |
8ce67cb0 JK |
1067 | IPU, |
1068 | OPU, | |
39a53e0c JK |
1069 | }; |
1070 | ||
a912b54d JK |
1071 | enum temp_type { |
1072 | HOT = 0, /* must be zero for meta bio */ | |
1073 | WARM, | |
1074 | COLD, | |
1075 | NR_TEMP_TYPE, | |
1076 | }; | |
1077 | ||
cc15620b JK |
1078 | enum need_lock_type { |
1079 | LOCK_REQ = 0, | |
1080 | LOCK_DONE, | |
1081 | LOCK_RETRY, | |
1082 | }; | |
1083 | ||
a5fd5050 CY |
1084 | enum cp_reason_type { |
1085 | CP_NO_NEEDED, | |
1086 | CP_NON_REGULAR, | |
4c8ff709 | 1087 | CP_COMPRESSED, |
a5fd5050 CY |
1088 | CP_HARDLINK, |
1089 | CP_SB_NEED_CP, | |
1090 | CP_WRONG_PINO, | |
1091 | CP_NO_SPC_ROLL, | |
1092 | CP_NODE_NEED_CP, | |
1093 | CP_FASTBOOT_MODE, | |
1094 | CP_SPEC_LOG_NUM, | |
0a007b97 | 1095 | CP_RECOVER_DIR, |
a5fd5050 CY |
1096 | }; |
1097 | ||
b0af6d49 | 1098 | enum iostat_type { |
8b83ac81 CY |
1099 | /* WRITE IO */ |
1100 | APP_DIRECT_IO, /* app direct write IOs */ | |
1101 | APP_BUFFERED_IO, /* app buffered write IOs */ | |
b0af6d49 CY |
1102 | APP_WRITE_IO, /* app write IOs */ |
1103 | APP_MAPPED_IO, /* app mapped IOs */ | |
1104 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
1105 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
1106 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
1107 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
1108 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
1109 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
1110 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
1111 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
8b83ac81 CY |
1112 | |
1113 | /* READ IO */ | |
1114 | APP_DIRECT_READ_IO, /* app direct read IOs */ | |
1115 | APP_BUFFERED_READ_IO, /* app buffered read IOs */ | |
1116 | APP_READ_IO, /* app read IOs */ | |
1117 | APP_MAPPED_READ_IO, /* app mapped read IOs */ | |
1118 | FS_DATA_READ_IO, /* data read IOs */ | |
9c122384 CY |
1119 | FS_GDATA_READ_IO, /* data read IOs from background gc */ |
1120 | FS_CDATA_READ_IO, /* compressed data read IOs */ | |
8b83ac81 CY |
1121 | FS_NODE_READ_IO, /* node read IOs */ |
1122 | FS_META_READ_IO, /* meta read IOs */ | |
1123 | ||
1124 | /* other */ | |
b0af6d49 CY |
1125 | FS_DISCARD, /* discard */ |
1126 | NR_IO_TYPE, | |
1127 | }; | |
1128 | ||
458e6197 | 1129 | struct f2fs_io_info { |
05ca3632 | 1130 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
39d787be | 1131 | nid_t ino; /* inode number */ |
7e8f2308 | 1132 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 1133 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
04d328de | 1134 | int op; /* contains REQ_OP_ */ |
ef295ecf | 1135 | int op_flags; /* req_flag_bits */ |
7a9d7548 | 1136 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 1137 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 1138 | struct page *page; /* page to be written */ |
4375a336 | 1139 | struct page *encrypted_page; /* encrypted page */ |
4c8ff709 | 1140 | struct page *compressed_page; /* compressed page */ |
fb830fc5 | 1141 | struct list_head list; /* serialize IOs */ |
d68f735b | 1142 | bool submitted; /* indicate IO submission */ |
cc15620b | 1143 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 1144 | bool in_list; /* indicate fio is in io_list */ |
6dc3a126 | 1145 | bool is_por; /* indicate IO is from recovery or not */ |
fe16efe6 | 1146 | bool retry; /* need to reallocate block address */ |
4c8ff709 CY |
1147 | int compr_blocks; /* # of compressed block addresses */ |
1148 | bool encrypted; /* indicate file is encrypted */ | |
b0af6d49 | 1149 | enum iostat_type io_type; /* io type */ |
578c6478 | 1150 | struct writeback_control *io_wbc; /* writeback control */ |
8648de2c CY |
1151 | struct bio **bio; /* bio for ipu */ |
1152 | sector_t *last_block; /* last block number in bio */ | |
7735730d | 1153 | unsigned char version; /* version of the node */ |
458e6197 JK |
1154 | }; |
1155 | ||
0b20fcec CY |
1156 | struct bio_entry { |
1157 | struct bio *bio; | |
1158 | struct list_head list; | |
1159 | }; | |
1160 | ||
68afcf2d | 1161 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 1162 | struct f2fs_bio_info { |
458e6197 | 1163 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
1164 | struct bio *bio; /* bios to merge */ |
1165 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 1166 | struct f2fs_io_info fio; /* store buffered io info. */ |
df0f8dc0 | 1167 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
1168 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
1169 | struct list_head io_list; /* track fios */ | |
0b20fcec CY |
1170 | struct list_head bio_list; /* bio entry list head */ |
1171 | struct rw_semaphore bio_list_lock; /* lock to protect bio entry list */ | |
1ff7bd3b JK |
1172 | }; |
1173 | ||
3c62be17 JK |
1174 | #define FDEV(i) (sbi->devs[i]) |
1175 | #define RDEV(i) (raw_super->devs[i]) | |
1176 | struct f2fs_dev_info { | |
1177 | struct block_device *bdev; | |
1178 | char path[MAX_PATH_LEN]; | |
1179 | unsigned int total_segments; | |
1180 | block_t start_blk; | |
1181 | block_t end_blk; | |
1182 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf DLM |
1183 | unsigned int nr_blkz; /* Total number of zones */ |
1184 | unsigned long *blkz_seq; /* Bitmap indicating sequential zones */ | |
de881df9 | 1185 | block_t *zone_capacity_blocks; /* Array of zone capacity in blks */ |
3c62be17 JK |
1186 | #endif |
1187 | }; | |
1188 | ||
c227f912 CY |
1189 | enum inode_type { |
1190 | DIR_INODE, /* for dirty dir inode */ | |
1191 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 1192 | DIRTY_META, /* for all dirtied inode metadata */ |
57864ae5 | 1193 | ATOMIC_FILE, /* for all atomic files */ |
c227f912 CY |
1194 | NR_INODE_TYPE, |
1195 | }; | |
1196 | ||
67298804 CY |
1197 | /* for inner inode cache management */ |
1198 | struct inode_management { | |
1199 | struct radix_tree_root ino_root; /* ino entry array */ | |
1200 | spinlock_t ino_lock; /* for ino entry lock */ | |
1201 | struct list_head ino_list; /* inode list head */ | |
1202 | unsigned long ino_num; /* number of entries */ | |
1203 | }; | |
1204 | ||
093749e2 CY |
1205 | /* for GC_AT */ |
1206 | struct atgc_management { | |
1207 | bool atgc_enabled; /* ATGC is enabled or not */ | |
1208 | struct rb_root_cached root; /* root of victim rb-tree */ | |
1209 | struct list_head victim_list; /* linked with all victim entries */ | |
1210 | unsigned int victim_count; /* victim count in rb-tree */ | |
1211 | unsigned int candidate_ratio; /* candidate ratio */ | |
1212 | unsigned int max_candidate_count; /* max candidate count */ | |
1213 | unsigned int age_weight; /* age weight, vblock_weight = 100 - age_weight */ | |
1214 | unsigned long long age_threshold; /* age threshold */ | |
1215 | }; | |
1216 | ||
caf0047e CY |
1217 | /* For s_flag in struct f2fs_sb_info */ |
1218 | enum { | |
1219 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
1220 | SBI_IS_CLOSE, /* specify unmounting */ | |
1221 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
1222 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 1223 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 1224 | SBI_NEED_CP, /* need to checkpoint */ |
83a3bfdb | 1225 | SBI_IS_SHUTDOWN, /* shutdown by ioctl */ |
1378752b | 1226 | SBI_IS_RECOVERED, /* recovered orphan/data */ |
4354994f | 1227 | SBI_CP_DISABLED, /* CP was disabled last mount */ |
db610a64 | 1228 | SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */ |
af033b2a CY |
1229 | SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */ |
1230 | SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */ | |
1231 | SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */ | |
04f0b2ea | 1232 | SBI_IS_RESIZEFS, /* resizefs is in process */ |
caf0047e CY |
1233 | }; |
1234 | ||
6beceb54 JK |
1235 | enum { |
1236 | CP_TIME, | |
d0239e1b | 1237 | REQ_TIME, |
a7d10cf3 ST |
1238 | DISCARD_TIME, |
1239 | GC_TIME, | |
4354994f | 1240 | DISABLE_TIME, |
03f2c02d | 1241 | UMOUNT_DISCARD_TIMEOUT, |
6beceb54 JK |
1242 | MAX_TIME, |
1243 | }; | |
1244 | ||
5b0e9539 JK |
1245 | enum { |
1246 | GC_NORMAL, | |
1247 | GC_IDLE_CB, | |
1248 | GC_IDLE_GREEDY, | |
093749e2 | 1249 | GC_IDLE_AT, |
0e5e8111 DJ |
1250 | GC_URGENT_HIGH, |
1251 | GC_URGENT_LOW, | |
5b0e9539 JK |
1252 | }; |
1253 | ||
bbbc34fd CY |
1254 | enum { |
1255 | BGGC_MODE_ON, /* background gc is on */ | |
1256 | BGGC_MODE_OFF, /* background gc is off */ | |
1257 | BGGC_MODE_SYNC, /* | |
1258 | * background gc is on, migrating blocks | |
1259 | * like foreground gc | |
1260 | */ | |
1261 | }; | |
1262 | ||
b0332a0f CY |
1263 | enum { |
1264 | FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */ | |
1265 | FS_MODE_LFS, /* use lfs allocation only */ | |
1266 | }; | |
1267 | ||
0cdd3195 HL |
1268 | enum { |
1269 | WHINT_MODE_OFF, /* not pass down write hints */ | |
1270 | WHINT_MODE_USER, /* try to pass down hints given by users */ | |
f2e703f9 | 1271 | WHINT_MODE_FS, /* pass down hints with F2FS policy */ |
0cdd3195 HL |
1272 | }; |
1273 | ||
07939627 JK |
1274 | enum { |
1275 | ALLOC_MODE_DEFAULT, /* stay default */ | |
1276 | ALLOC_MODE_REUSE, /* reuse segments as much as possible */ | |
1277 | }; | |
1278 | ||
93cf93f1 JZ |
1279 | enum fsync_mode { |
1280 | FSYNC_MODE_POSIX, /* fsync follows posix semantics */ | |
1281 | FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ | |
d6290814 | 1282 | FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ |
93cf93f1 JZ |
1283 | }; |
1284 | ||
602a16d5 DJ |
1285 | enum { |
1286 | COMPR_MODE_FS, /* | |
1287 | * automatically compress compression | |
1288 | * enabled files | |
1289 | */ | |
1290 | COMPR_MODE_USER, /* | |
1291 | * automatical compression is disabled. | |
1292 | * user can control the file compression | |
1293 | * using ioctls | |
1294 | */ | |
1295 | }; | |
1296 | ||
b763f3be CY |
1297 | static inline int f2fs_test_bit(unsigned int nr, char *addr); |
1298 | static inline void f2fs_set_bit(unsigned int nr, char *addr); | |
1299 | static inline void f2fs_clear_bit(unsigned int nr, char *addr); | |
1300 | ||
4c8ff709 | 1301 | /* |
b763f3be CY |
1302 | * Layout of f2fs page.private: |
1303 | * | |
1304 | * Layout A: lowest bit should be 1 | |
1305 | * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... | | |
1306 | * bit 0 PAGE_PRIVATE_NOT_POINTER | |
1307 | * bit 1 PAGE_PRIVATE_ATOMIC_WRITE | |
1308 | * bit 2 PAGE_PRIVATE_DUMMY_WRITE | |
1309 | * bit 3 PAGE_PRIVATE_ONGOING_MIGRATION | |
1310 | * bit 4 PAGE_PRIVATE_INLINE_INODE | |
1311 | * bit 5 PAGE_PRIVATE_REF_RESOURCE | |
1312 | * bit 6- f2fs private data | |
1313 | * | |
1314 | * Layout B: lowest bit should be 0 | |
1315 | * page.private is a wrapped pointer. | |
4c8ff709 | 1316 | */ |
b763f3be CY |
1317 | enum { |
1318 | PAGE_PRIVATE_NOT_POINTER, /* private contains non-pointer data */ | |
1319 | PAGE_PRIVATE_ATOMIC_WRITE, /* data page from atomic write path */ | |
1320 | PAGE_PRIVATE_DUMMY_WRITE, /* data page for padding aligned IO */ | |
1321 | PAGE_PRIVATE_ONGOING_MIGRATION, /* data page which is on-going migrating */ | |
1322 | PAGE_PRIVATE_INLINE_INODE, /* inode page contains inline data */ | |
1323 | PAGE_PRIVATE_REF_RESOURCE, /* dirty page has referenced resources */ | |
1324 | PAGE_PRIVATE_MAX | |
1325 | }; | |
1326 | ||
1327 | #define PAGE_PRIVATE_GET_FUNC(name, flagname) \ | |
1328 | static inline bool page_private_##name(struct page *page) \ | |
1329 | { \ | |
1330 | return test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \ | |
1331 | test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ | |
1332 | } | |
1333 | ||
1334 | #define PAGE_PRIVATE_SET_FUNC(name, flagname) \ | |
1335 | static inline void set_page_private_##name(struct page *page) \ | |
1336 | { \ | |
1337 | if (!PagePrivate(page)) { \ | |
1338 | get_page(page); \ | |
1339 | SetPagePrivate(page); \ | |
1340 | } \ | |
1341 | set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \ | |
1342 | set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ | |
1343 | } | |
1344 | ||
1345 | #define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \ | |
1346 | static inline void clear_page_private_##name(struct page *page) \ | |
1347 | { \ | |
1348 | clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \ | |
1349 | if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { \ | |
1350 | set_page_private(page, 0); \ | |
1351 | if (PagePrivate(page)) { \ | |
1352 | ClearPagePrivate(page); \ | |
1353 | put_page(page); \ | |
1354 | }\ | |
1355 | } \ | |
1356 | } | |
1357 | ||
1358 | PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER); | |
1359 | PAGE_PRIVATE_GET_FUNC(reference, REF_RESOURCE); | |
1360 | PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE); | |
1361 | PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION); | |
1362 | PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE); | |
1363 | PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE); | |
1364 | ||
1365 | PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE); | |
1366 | PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE); | |
1367 | PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION); | |
1368 | PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE); | |
1369 | PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE); | |
1370 | ||
1371 | PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE); | |
1372 | PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE); | |
1373 | PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION); | |
1374 | PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE); | |
1375 | PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE); | |
4c8ff709 | 1376 | |
4c8ff709 CY |
1377 | /* For compression */ |
1378 | enum compress_algorithm_type { | |
1379 | COMPRESS_LZO, | |
1380 | COMPRESS_LZ4, | |
50cfa66f | 1381 | COMPRESS_ZSTD, |
6d92b201 | 1382 | COMPRESS_LZORLE, |
4c8ff709 CY |
1383 | COMPRESS_MAX, |
1384 | }; | |
1385 | ||
b28f047b CY |
1386 | enum compress_flag { |
1387 | COMPRESS_CHKSUM, | |
1388 | COMPRESS_MAX_FLAG, | |
1389 | }; | |
1390 | ||
1391 | #define COMPRESS_DATA_RESERVED_SIZE 4 | |
4c8ff709 CY |
1392 | struct compress_data { |
1393 | __le32 clen; /* compressed data size */ | |
b28f047b | 1394 | __le32 chksum; /* compressed data chksum */ |
4c8ff709 CY |
1395 | __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ |
1396 | u8 cdata[]; /* compressed data */ | |
1397 | }; | |
1398 | ||
1399 | #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data)) | |
1400 | ||
1401 | #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000 | |
1402 | ||
3fde13f8 CY |
1403 | #define COMPRESS_LEVEL_OFFSET 8 |
1404 | ||
4c8ff709 CY |
1405 | /* compress context */ |
1406 | struct compress_ctx { | |
1407 | struct inode *inode; /* inode the context belong to */ | |
1408 | pgoff_t cluster_idx; /* cluster index number */ | |
1409 | unsigned int cluster_size; /* page count in cluster */ | |
1410 | unsigned int log_cluster_size; /* log of cluster size */ | |
1411 | struct page **rpages; /* pages store raw data in cluster */ | |
1412 | unsigned int nr_rpages; /* total page number in rpages */ | |
1413 | struct page **cpages; /* pages store compressed data in cluster */ | |
1414 | unsigned int nr_cpages; /* total page number in cpages */ | |
1415 | void *rbuf; /* virtual mapped address on rpages */ | |
1416 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1417 | size_t rlen; /* valid data length in rbuf */ | |
1418 | size_t clen; /* valid data length in cbuf */ | |
1419 | void *private; /* payload buffer for specified compression algorithm */ | |
50cfa66f | 1420 | void *private2; /* extra payload buffer */ |
4c8ff709 CY |
1421 | }; |
1422 | ||
1423 | /* compress context for write IO path */ | |
1424 | struct compress_io_ctx { | |
1425 | u32 magic; /* magic number to indicate page is compressed */ | |
1426 | struct inode *inode; /* inode the context belong to */ | |
1427 | struct page **rpages; /* pages store raw data in cluster */ | |
1428 | unsigned int nr_rpages; /* total page number in rpages */ | |
e6c3948d | 1429 | atomic_t pending_pages; /* in-flight compressed page count */ |
4c8ff709 CY |
1430 | }; |
1431 | ||
7f59b277 | 1432 | /* Context for decompressing one cluster on the read IO path */ |
4c8ff709 CY |
1433 | struct decompress_io_ctx { |
1434 | u32 magic; /* magic number to indicate page is compressed */ | |
1435 | struct inode *inode; /* inode the context belong to */ | |
1436 | pgoff_t cluster_idx; /* cluster index number */ | |
1437 | unsigned int cluster_size; /* page count in cluster */ | |
1438 | unsigned int log_cluster_size; /* log of cluster size */ | |
1439 | struct page **rpages; /* pages store raw data in cluster */ | |
1440 | unsigned int nr_rpages; /* total page number in rpages */ | |
1441 | struct page **cpages; /* pages store compressed data in cluster */ | |
1442 | unsigned int nr_cpages; /* total page number in cpages */ | |
1443 | struct page **tpages; /* temp pages to pad holes in cluster */ | |
1444 | void *rbuf; /* virtual mapped address on rpages */ | |
1445 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1446 | size_t rlen; /* valid data length in rbuf */ | |
1447 | size_t clen; /* valid data length in cbuf */ | |
7f59b277 EB |
1448 | |
1449 | /* | |
1450 | * The number of compressed pages remaining to be read in this cluster. | |
1451 | * This is initially nr_cpages. It is decremented by 1 each time a page | |
1452 | * has been read (or failed to be read). When it reaches 0, the cluster | |
1453 | * is decompressed (or an error is reported). | |
1454 | * | |
1455 | * If an error occurs before all the pages have been submitted for I/O, | |
1456 | * then this will never reach 0. In this case the I/O submitter is | |
1457 | * responsible for calling f2fs_decompress_end_io() instead. | |
1458 | */ | |
1459 | atomic_t remaining_pages; | |
1460 | ||
1461 | /* | |
1462 | * Number of references to this decompress_io_ctx. | |
1463 | * | |
1464 | * One reference is held for I/O completion. This reference is dropped | |
1465 | * after the pagecache pages are updated and unlocked -- either after | |
1466 | * decompression (and verity if enabled), or after an error. | |
1467 | * | |
1468 | * In addition, each compressed page holds a reference while it is in a | |
1469 | * bio. These references are necessary prevent compressed pages from | |
1470 | * being freed while they are still in a bio. | |
1471 | */ | |
1472 | refcount_t refcnt; | |
1473 | ||
1474 | bool failed; /* IO error occurred before decompression? */ | |
1475 | bool need_verity; /* need fs-verity verification after decompression? */ | |
50cfa66f CY |
1476 | void *private; /* payload buffer for specified decompression algorithm */ |
1477 | void *private2; /* extra payload buffer */ | |
7f59b277 | 1478 | struct work_struct verity_work; /* work to verify the decompressed pages */ |
4c8ff709 CY |
1479 | }; |
1480 | ||
1481 | #define NULL_CLUSTER ((unsigned int)(~0)) | |
1482 | #define MIN_COMPRESS_LOG_SIZE 2 | |
1483 | #define MAX_COMPRESS_LOG_SIZE 8 | |
0e2b7385 | 1484 | #define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size)) |
4c8ff709 | 1485 | |
39a53e0c JK |
1486 | struct f2fs_sb_info { |
1487 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1488 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1489 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
846ae671 | 1490 | struct rw_semaphore sb_lock; /* lock for raw super block */ |
e8240f65 | 1491 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 1492 | unsigned long s_flag; /* flags for sbi */ |
853137ce | 1493 | struct mutex writepages; /* mutex for writepages() */ |
39a53e0c | 1494 | |
178053e2 | 1495 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
1496 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1497 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
1498 | #endif |
1499 | ||
39a53e0c JK |
1500 | /* for node-related operations */ |
1501 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1502 | struct inode *node_inode; /* cache node blocks */ | |
1503 | ||
1504 | /* for segment-related operations */ | |
1505 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1506 | |
1507 | /* for bio operations */ | |
a912b54d | 1508 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
107a805d CY |
1509 | /* keep migration IO order for LFS mode */ |
1510 | struct rw_semaphore io_order_lock; | |
0a595eba | 1511 | mempool_t *write_io_dummy; /* Dummy pages */ |
39a53e0c JK |
1512 | |
1513 | /* for checkpoint */ | |
1514 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 1515 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1516 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1517 | struct inode *meta_inode; /* cache meta blocks */ |
8769918b | 1518 | struct rw_semaphore cp_global_sem; /* checkpoint procedure lock */ |
b873b798 | 1519 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
b3582c68 | 1520 | struct rw_semaphore node_write; /* locking node writes */ |
59c9081b | 1521 | struct rw_semaphore node_change; /* locking node change */ |
fb51b5ef | 1522 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1523 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1524 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
261eeb9c | 1525 | struct ckpt_req_control cprc_info; /* for checkpoint request control */ |
39a53e0c | 1526 | |
a87aff1d | 1527 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 | 1528 | |
50fa53ec CY |
1529 | spinlock_t fsync_node_lock; /* for node entry lock */ |
1530 | struct list_head fsync_node_list; /* node list head */ | |
1531 | unsigned int fsync_seg_id; /* sequence id */ | |
1532 | unsigned int fsync_node_num; /* number of node entries */ | |
1533 | ||
6451e041 | 1534 | /* for orphan inode, use 0'th array */ |
0d47c1ad | 1535 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1536 | |
c227f912 CY |
1537 | /* for inode management */ |
1538 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1539 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
040d2bb3 | 1540 | struct mutex flush_lock; /* for flush exclusion */ |
39a53e0c | 1541 | |
13054c54 CY |
1542 | /* for extent tree cache */ |
1543 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
5e8256ac | 1544 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1545 | struct list_head extent_list; /* lru list for shrinker */ |
1546 | spinlock_t extent_lock; /* locking extent lru list */ | |
7441ccef | 1547 | atomic_t total_ext_tree; /* extent tree count */ |
137d09f0 | 1548 | struct list_head zombie_list; /* extent zombie tree list */ |
74fd8d99 | 1549 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
13054c54 CY |
1550 | atomic_t total_ext_node; /* extent info count */ |
1551 | ||
e1c42045 | 1552 | /* basic filesystem units */ |
39a53e0c JK |
1553 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1554 | unsigned int log_blocksize; /* log2 block size */ | |
1555 | unsigned int blocksize; /* block size */ | |
1556 | unsigned int root_ino_num; /* root inode number*/ | |
1557 | unsigned int node_ino_num; /* node inode number*/ | |
1558 | unsigned int meta_ino_num; /* meta inode number*/ | |
1559 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1560 | unsigned int blocks_per_seg; /* blocks per segment */ | |
1561 | unsigned int segs_per_sec; /* segments per section */ | |
1562 | unsigned int secs_per_zone; /* sections per zone */ | |
1563 | unsigned int total_sections; /* total section count */ | |
1564 | unsigned int total_node_count; /* total node block count */ | |
1565 | unsigned int total_valid_node_count; /* valid node block count */ | |
ab9fa662 | 1566 | int dir_level; /* directory level */ |
f6df8f23 | 1567 | int readdir_ra; /* readahead inode in readdir */ |
10208567 | 1568 | u64 max_io_bytes; /* max io bytes to merge IOs */ |
39a53e0c JK |
1569 | |
1570 | block_t user_block_count; /* # of user blocks */ | |
1571 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1572 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1573 | block_t last_valid_block_count; /* for recovery */ |
daeb433e | 1574 | block_t reserved_blocks; /* configurable reserved blocks */ |
80d42145 | 1575 | block_t current_reserved_blocks; /* current reserved blocks */ |
daeb433e | 1576 | |
4354994f DR |
1577 | /* Additional tracking for no checkpoint mode */ |
1578 | block_t unusable_block_count; /* # of blocks saved by last cp */ | |
1579 | ||
292c196a | 1580 | unsigned int nquota_files; /* # of quota sysfile */ |
db6ec53b | 1581 | struct rw_semaphore quota_sem; /* blocking cp for flags */ |
292c196a | 1582 | |
523be8a6 | 1583 | /* # of pages, see count_type */ |
35782b23 | 1584 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1585 | /* # of allocated blocks */ |
1586 | struct percpu_counter alloc_valid_block_count; | |
39a53e0c | 1587 | |
687de7f1 | 1588 | /* writeback control */ |
c29fd0c0 | 1589 | atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ |
687de7f1 | 1590 | |
513c5f37 JK |
1591 | /* valid inode count */ |
1592 | struct percpu_counter total_valid_inode_count; | |
1593 | ||
39a53e0c JK |
1594 | struct f2fs_mount_info mount_opt; /* mount options */ |
1595 | ||
1596 | /* for cleaning operations */ | |
fb24fea7 CY |
1597 | struct rw_semaphore gc_lock; /* |
1598 | * semaphore for GC, avoid | |
1599 | * race between GC and GC or CP | |
1600 | */ | |
39a53e0c | 1601 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ |
093749e2 | 1602 | struct atgc_management am; /* atgc management */ |
5ec4e49f | 1603 | unsigned int cur_victim_sec; /* current victim section num */ |
5b0e9539 | 1604 | unsigned int gc_mode; /* current GC state */ |
e3080b01 | 1605 | unsigned int next_victim_seg[2]; /* next segment in victim section */ |
0e5e8111 | 1606 | |
2ef79ecb | 1607 | /* for skip statistic */ |
a87aff1d | 1608 | unsigned int atomic_files; /* # of opened atomic file */ |
2ef79ecb | 1609 | unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */ |
6f8d4455 | 1610 | unsigned long long skipped_gc_rwsem; /* FG_GC only */ |
39a53e0c | 1611 | |
1ad71a27 JK |
1612 | /* threshold for gc trials on pinned files */ |
1613 | u64 gc_pin_file_threshold; | |
f5a53edc | 1614 | struct rw_semaphore pin_sem; |
1ad71a27 | 1615 | |
b1c57c1c JK |
1616 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1617 | unsigned int max_victim_search; | |
e3080b01 CY |
1618 | /* migration granularity of garbage collection, unit: segment */ |
1619 | unsigned int migration_granularity; | |
b1c57c1c | 1620 | |
39a53e0c JK |
1621 | /* |
1622 | * for stat information. | |
1623 | * one is for the LFS mode, and the other is for the SSR mode. | |
1624 | */ | |
35b09d82 | 1625 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c | 1626 | struct f2fs_stat_info *stat_info; /* FS status information */ |
b63e7be5 | 1627 | atomic_t meta_count[META_MAX]; /* # of meta blocks */ |
39a53e0c JK |
1628 | unsigned int segment_count[2]; /* # of allocated segments */ |
1629 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1630 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1631 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1632 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1633 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1634 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1635 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1636 | atomic_t inline_inode; /* # of inline_data inodes */ |
1637 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
4c8ff709 | 1638 | atomic_t compr_inode; /* # of compressed inodes */ |
ae999bb9 | 1639 | atomic64_t compr_blocks; /* # of compressed blocks */ |
648d50ba | 1640 | atomic_t vw_cnt; /* # of volatile writes */ |
26a28a0c | 1641 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
648d50ba | 1642 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
274bd9ba CY |
1643 | unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ |
1644 | unsigned int other_skip_bggc; /* skip background gc for other reasons */ | |
33fbd510 | 1645 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1646 | #endif |
39a53e0c | 1647 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1648 | |
b0af6d49 CY |
1649 | /* For app/fs IO statistics */ |
1650 | spinlock_t iostat_lock; | |
8b83ac81 CY |
1651 | unsigned long long rw_iostat[NR_IO_TYPE]; |
1652 | unsigned long long prev_rw_iostat[NR_IO_TYPE]; | |
b0af6d49 | 1653 | bool iostat_enable; |
2bc4bea3 DJ |
1654 | unsigned long iostat_next_period; |
1655 | unsigned int iostat_period_ms; | |
b0af6d49 | 1656 | |
da9953b7 JK |
1657 | /* to attach REQ_META|REQ_FUA flags */ |
1658 | unsigned int data_io_flag; | |
32b6aba8 | 1659 | unsigned int node_io_flag; |
b0af6d49 | 1660 | |
b59d0bae | 1661 | /* For sysfs suppport */ |
5d4daa57 | 1662 | struct kobject s_kobj; /* /sys/fs/f2fs/<devname> */ |
b59d0bae | 1663 | struct completion s_kobj_unregister; |
2658e50d | 1664 | |
5d4daa57 CY |
1665 | struct kobject s_stat_kobj; /* /sys/fs/f2fs/<devname>/stat */ |
1666 | struct completion s_stat_kobj_unregister; | |
1667 | ||
2658e50d JK |
1668 | /* For shrinker support */ |
1669 | struct list_head s_list; | |
3c62be17 JK |
1670 | int s_ndevs; /* number of devices */ |
1671 | struct f2fs_dev_info *devs; /* for device list */ | |
1228b482 CY |
1672 | unsigned int dirty_device; /* for checkpoint data flush */ |
1673 | spinlock_t dev_lock; /* protect dirty_device */ | |
2658e50d JK |
1674 | struct mutex umount_mutex; |
1675 | unsigned int shrinker_run_no; | |
8f1dbbbb SL |
1676 | |
1677 | /* For write statistics */ | |
1678 | u64 sectors_written_start; | |
1679 | u64 kbytes_written; | |
43b6573b KM |
1680 | |
1681 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1682 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1683 | |
704956ec CY |
1684 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1685 | __u32 s_chksum_seed; | |
4c8ff709 CY |
1686 | |
1687 | struct workqueue_struct *post_read_wq; /* post read workqueue */ | |
a999150f CY |
1688 | |
1689 | struct kmem_cache *inline_xattr_slab; /* inline xattr entry */ | |
1690 | unsigned int inline_xattr_slab_size; /* default inline xattr slab size */ | |
31083031 CY |
1691 | |
1692 | #ifdef CONFIG_F2FS_FS_COMPRESSION | |
1693 | struct kmem_cache *page_array_slab; /* page array entry */ | |
1694 | unsigned int page_array_slab_size; /* default page array slab size */ | |
5ac443e2 DJ |
1695 | |
1696 | /* For runtime compression statistics */ | |
1697 | u64 compr_written_block; | |
1698 | u64 compr_saved_block; | |
1699 | u32 compr_new_inode; | |
31083031 | 1700 | #endif |
39a53e0c JK |
1701 | }; |
1702 | ||
02b16d0a CY |
1703 | struct f2fs_private_dio { |
1704 | struct inode *inode; | |
1705 | void *orig_private; | |
1706 | bio_end_io_t *orig_end_io; | |
1707 | bool write; | |
1708 | }; | |
1709 | ||
1ecc0c5c | 1710 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
c45d6002 CY |
1711 | #define f2fs_show_injection_info(sbi, type) \ |
1712 | printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \ | |
1713 | KERN_INFO, sbi->sb->s_id, \ | |
1714 | f2fs_fault_name[type], \ | |
55523519 | 1715 | __func__, __builtin_return_address(0)) |
1ecc0c5c CY |
1716 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1717 | { | |
63189b78 | 1718 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c CY |
1719 | |
1720 | if (!ffi->inject_rate) | |
1721 | return false; | |
1722 | ||
1723 | if (!IS_FAULT_SET(ffi, type)) | |
1724 | return false; | |
1725 | ||
1726 | atomic_inc(&ffi->inject_ops); | |
1727 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1728 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1729 | return true; |
1730 | } | |
1731 | return false; | |
1732 | } | |
7fa750a1 | 1733 | #else |
c45d6002 | 1734 | #define f2fs_show_injection_info(sbi, type) do { } while (0) |
7fa750a1 AB |
1735 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1736 | { | |
1737 | return false; | |
1738 | } | |
1ecc0c5c CY |
1739 | #endif |
1740 | ||
0916878d DLM |
1741 | /* |
1742 | * Test if the mounted volume is a multi-device volume. | |
1743 | * - For a single regular disk volume, sbi->s_ndevs is 0. | |
1744 | * - For a single zoned disk volume, sbi->s_ndevs is 1. | |
1745 | * - For a multi-device volume, sbi->s_ndevs is always 2 or more. | |
1746 | */ | |
1747 | static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) | |
1748 | { | |
1749 | return sbi->s_ndevs > 1; | |
1750 | } | |
1751 | ||
6beceb54 JK |
1752 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1753 | { | |
a7d10cf3 ST |
1754 | unsigned long now = jiffies; |
1755 | ||
1756 | sbi->last_time[type] = now; | |
1757 | ||
1758 | /* DISCARD_TIME and GC_TIME are based on REQ_TIME */ | |
1759 | if (type == REQ_TIME) { | |
1760 | sbi->last_time[DISCARD_TIME] = now; | |
1761 | sbi->last_time[GC_TIME] = now; | |
1762 | } | |
6beceb54 JK |
1763 | } |
1764 | ||
1765 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1766 | { | |
6bccfa19 | 1767 | unsigned long interval = sbi->interval_time[type] * HZ; |
6beceb54 JK |
1768 | |
1769 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1770 | } | |
1771 | ||
a7d10cf3 ST |
1772 | static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi, |
1773 | int type) | |
1774 | { | |
1775 | unsigned long interval = sbi->interval_time[type] * HZ; | |
1776 | unsigned int wait_ms = 0; | |
1777 | long delta; | |
1778 | ||
1779 | delta = (sbi->last_time[type] + interval) - jiffies; | |
1780 | if (delta > 0) | |
1781 | wait_ms = jiffies_to_msecs(delta); | |
1782 | ||
1783 | return wait_ms; | |
1784 | } | |
1785 | ||
39a53e0c JK |
1786 | /* |
1787 | * Inline functions | |
1788 | */ | |
416d2dbb | 1789 | static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, |
704956ec CY |
1790 | const void *address, unsigned int length) |
1791 | { | |
1792 | struct { | |
1793 | struct shash_desc shash; | |
1794 | char ctx[4]; | |
1795 | } desc; | |
1796 | int err; | |
1797 | ||
1798 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1799 | ||
1800 | desc.shash.tfm = sbi->s_chksum_driver; | |
704956ec CY |
1801 | *(u32 *)desc.ctx = crc; |
1802 | ||
1803 | err = crypto_shash_update(&desc.shash, address, length); | |
1804 | BUG_ON(err); | |
1805 | ||
1806 | return *(u32 *)desc.ctx; | |
1807 | } | |
1808 | ||
416d2dbb CY |
1809 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1810 | unsigned int length) | |
1811 | { | |
1812 | return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); | |
1813 | } | |
1814 | ||
1815 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1816 | void *buf, size_t buf_size) | |
1817 | { | |
1818 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1819 | } | |
1820 | ||
1821 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, | |
1822 | const void *address, unsigned int length) | |
1823 | { | |
1824 | return __f2fs_crc32(sbi, crc, address, length); | |
1825 | } | |
1826 | ||
39a53e0c JK |
1827 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1828 | { | |
1829 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1830 | } | |
1831 | ||
1832 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1833 | { | |
1834 | return sb->s_fs_info; | |
1835 | } | |
1836 | ||
4081363f JK |
1837 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1838 | { | |
1839 | return F2FS_SB(inode->i_sb); | |
1840 | } | |
1841 | ||
1842 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1843 | { | |
1844 | return F2FS_I_SB(mapping->host); | |
1845 | } | |
1846 | ||
1847 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1848 | { | |
4969c06a | 1849 | return F2FS_M_SB(page_file_mapping(page)); |
4081363f JK |
1850 | } |
1851 | ||
39a53e0c JK |
1852 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
1853 | { | |
1854 | return (struct f2fs_super_block *)(sbi->raw_super); | |
1855 | } | |
1856 | ||
1857 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
1858 | { | |
1859 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
1860 | } | |
1861 | ||
45590710 GZ |
1862 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
1863 | { | |
1864 | return (struct f2fs_node *)page_address(page); | |
1865 | } | |
1866 | ||
58bfaf44 JK |
1867 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
1868 | { | |
1869 | return &((struct f2fs_node *)page_address(page))->i; | |
1870 | } | |
1871 | ||
39a53e0c JK |
1872 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
1873 | { | |
1874 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
1875 | } | |
1876 | ||
1877 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
1878 | { | |
1879 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
1880 | } | |
1881 | ||
1882 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
1883 | { | |
1884 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
1885 | } | |
1886 | ||
1887 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
1888 | { | |
1889 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
1890 | } | |
1891 | ||
1892 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
1893 | { | |
1894 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
1895 | } | |
1896 | ||
9df27d98 GZ |
1897 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
1898 | { | |
1899 | return sbi->meta_inode->i_mapping; | |
1900 | } | |
1901 | ||
4ef51a8f JK |
1902 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
1903 | { | |
1904 | return sbi->node_inode->i_mapping; | |
1905 | } | |
1906 | ||
caf0047e CY |
1907 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
1908 | { | |
fadb2fb8 | 1909 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
1910 | } |
1911 | ||
1912 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 1913 | { |
fadb2fb8 | 1914 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
1915 | } |
1916 | ||
caf0047e | 1917 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 1918 | { |
fadb2fb8 | 1919 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
1920 | } |
1921 | ||
d71b5564 JK |
1922 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
1923 | { | |
1924 | return le64_to_cpu(cp->checkpoint_ver); | |
1925 | } | |
1926 | ||
ea676733 JK |
1927 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
1928 | { | |
1929 | if (type < F2FS_MAX_QUOTAS) | |
1930 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
1931 | return 0; | |
1932 | } | |
1933 | ||
ced2c7ea KM |
1934 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
1935 | { | |
1936 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
1937 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
1938 | } | |
1939 | ||
aaec2b1d | 1940 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
1941 | { |
1942 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 1943 | |
25ca923b JK |
1944 | return ckpt_flags & f; |
1945 | } | |
1946 | ||
aaec2b1d | 1947 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1948 | { |
aaec2b1d CY |
1949 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
1950 | } | |
1951 | ||
1952 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1953 | { | |
1954 | unsigned int ckpt_flags; | |
1955 | ||
1956 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1957 | ckpt_flags |= f; |
1958 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1959 | } | |
1960 | ||
aaec2b1d | 1961 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1962 | { |
d1aa2453 CY |
1963 | unsigned long flags; |
1964 | ||
1965 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1966 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1967 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1968 | } |
1969 | ||
1970 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1971 | { | |
1972 | unsigned int ckpt_flags; | |
1973 | ||
1974 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1975 | ckpt_flags &= (~f); |
1976 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1977 | } | |
1978 | ||
aaec2b1d CY |
1979 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
1980 | { | |
d1aa2453 CY |
1981 | unsigned long flags; |
1982 | ||
1983 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1984 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1985 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1986 | } |
1987 | ||
22ad0b6a JK |
1988 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) |
1989 | { | |
d1aa2453 | 1990 | unsigned long flags; |
0921835c | 1991 | unsigned char *nat_bits; |
d1aa2453 | 1992 | |
a742fd41 JK |
1993 | /* |
1994 | * In order to re-enable nat_bits we need to call fsck.f2fs by | |
1995 | * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost, | |
1996 | * so let's rely on regular fsck or unclean shutdown. | |
1997 | */ | |
22ad0b6a JK |
1998 | |
1999 | if (lock) | |
d1aa2453 | 2000 | spin_lock_irqsave(&sbi->cp_lock, flags); |
22ad0b6a | 2001 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); |
0921835c | 2002 | nat_bits = NM_I(sbi)->nat_bits; |
22ad0b6a JK |
2003 | NM_I(sbi)->nat_bits = NULL; |
2004 | if (lock) | |
d1aa2453 | 2005 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
0921835c CY |
2006 | |
2007 | kvfree(nat_bits); | |
22ad0b6a JK |
2008 | } |
2009 | ||
2010 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, | |
2011 | struct cp_control *cpc) | |
2012 | { | |
2013 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); | |
2014 | ||
c473f1a9 | 2015 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; |
22ad0b6a JK |
2016 | } |
2017 | ||
e479556b | 2018 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 2019 | { |
b873b798 | 2020 | down_read(&sbi->cp_rwsem); |
39936837 JK |
2021 | } |
2022 | ||
cc15620b JK |
2023 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
2024 | { | |
2025 | return down_read_trylock(&sbi->cp_rwsem); | |
2026 | } | |
2027 | ||
e479556b | 2028 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 2029 | { |
b873b798 | 2030 | up_read(&sbi->cp_rwsem); |
39a53e0c JK |
2031 | } |
2032 | ||
e479556b | 2033 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 2034 | { |
b873b798 | 2035 | down_write(&sbi->cp_rwsem); |
39936837 JK |
2036 | } |
2037 | ||
e479556b | 2038 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 2039 | { |
b873b798 | 2040 | up_write(&sbi->cp_rwsem); |
39a53e0c JK |
2041 | } |
2042 | ||
119ee914 JK |
2043 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
2044 | { | |
2045 | int reason = CP_SYNC; | |
2046 | ||
2047 | if (test_opt(sbi, FASTBOOT)) | |
2048 | reason = CP_FASTBOOT; | |
2049 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
2050 | reason = CP_UMOUNT; | |
2051 | return reason; | |
2052 | } | |
2053 | ||
2054 | static inline bool __remain_node_summaries(int reason) | |
2055 | { | |
c473f1a9 | 2056 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
2057 | } |
2058 | ||
2059 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
2060 | { | |
aaec2b1d CY |
2061 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
2062 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
2063 | } |
2064 | ||
39a53e0c JK |
2065 | /* |
2066 | * Check whether the inode has blocks or not | |
2067 | */ | |
2068 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
2069 | { | |
0eb0adad CY |
2070 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
2071 | ||
000519f2 | 2072 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
2073 | } |
2074 | ||
4bc8e9bc CY |
2075 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
2076 | { | |
2077 | return ofs == XATTR_NODE_OFFSET; | |
2078 | } | |
2079 | ||
d8a9a229 | 2080 | static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, |
a90a0884 | 2081 | struct inode *inode, bool cap) |
7c2e5963 | 2082 | { |
d8a9a229 JK |
2083 | if (!inode) |
2084 | return true; | |
7c2e5963 JK |
2085 | if (!test_opt(sbi, RESERVE_ROOT)) |
2086 | return false; | |
d8a9a229 JK |
2087 | if (IS_NOQUOTA(inode)) |
2088 | return true; | |
63189b78 | 2089 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) |
7c2e5963 | 2090 | return true; |
63189b78 CY |
2091 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && |
2092 | in_group_p(F2FS_OPTION(sbi).s_resgid)) | |
7c2e5963 | 2093 | return true; |
a90a0884 | 2094 | if (cap && capable(CAP_SYS_RESOURCE)) |
162b27ae | 2095 | return true; |
7c2e5963 JK |
2096 | return false; |
2097 | } | |
2098 | ||
0abd675e CY |
2099 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
2100 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 2101 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 2102 | { |
0abd675e | 2103 | blkcnt_t diff = 0, release = 0; |
daeb433e | 2104 | block_t avail_user_block_count; |
0abd675e CY |
2105 | int ret; |
2106 | ||
2107 | ret = dquot_reserve_block(inode, *count); | |
2108 | if (ret) | |
2109 | return ret; | |
39a53e0c | 2110 | |
55523519 | 2111 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 2112 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
0abd675e | 2113 | release = *count; |
9ea2f0be | 2114 | goto release_quota; |
55523519 | 2115 | } |
7fa750a1 | 2116 | |
dd11a5df JK |
2117 | /* |
2118 | * let's increase this in prior to actual block count change in order | |
2119 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
2120 | */ | |
2121 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
2122 | ||
2555a2d5 JK |
2123 | spin_lock(&sbi->stat_lock); |
2124 | sbi->total_valid_block_count += (block_t)(*count); | |
80d42145 YS |
2125 | avail_user_block_count = sbi->user_block_count - |
2126 | sbi->current_reserved_blocks; | |
7e65be49 | 2127 | |
a90a0884 | 2128 | if (!__allow_reserved_blocks(sbi, inode, true)) |
63189b78 | 2129 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; |
a4c3ecaa DR |
2130 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { |
2131 | if (avail_user_block_count > sbi->unusable_block_count) | |
2132 | avail_user_block_count -= sbi->unusable_block_count; | |
2133 | else | |
2134 | avail_user_block_count = 0; | |
2135 | } | |
daeb433e CY |
2136 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
2137 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
7e65be49 JK |
2138 | if (diff > *count) |
2139 | diff = *count; | |
dd11a5df | 2140 | *count -= diff; |
0abd675e | 2141 | release = diff; |
7e65be49 | 2142 | sbi->total_valid_block_count -= diff; |
46008c6d CY |
2143 | if (!*count) { |
2144 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2145 | goto enospc; |
46008c6d | 2146 | } |
39a53e0c | 2147 | } |
39a53e0c | 2148 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 2149 | |
36b877af DR |
2150 | if (unlikely(release)) { |
2151 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); | |
0abd675e | 2152 | dquot_release_reservation_block(inode, release); |
36b877af | 2153 | } |
0abd675e CY |
2154 | f2fs_i_blocks_write(inode, *count, true, true); |
2155 | return 0; | |
2156 | ||
2157 | enospc: | |
36b877af | 2158 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); |
9ea2f0be | 2159 | release_quota: |
0abd675e CY |
2160 | dquot_release_reservation_block(inode, release); |
2161 | return -ENOSPC; | |
39a53e0c JK |
2162 | } |
2163 | ||
dcbb4c10 JP |
2164 | __printf(2, 3) |
2165 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...); | |
2166 | ||
2167 | #define f2fs_err(sbi, fmt, ...) \ | |
2168 | f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__) | |
2169 | #define f2fs_warn(sbi, fmt, ...) \ | |
2170 | f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__) | |
2171 | #define f2fs_notice(sbi, fmt, ...) \ | |
2172 | f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__) | |
2173 | #define f2fs_info(sbi, fmt, ...) \ | |
2174 | f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__) | |
2175 | #define f2fs_debug(sbi, fmt, ...) \ | |
2176 | f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__) | |
2177 | ||
da19b0dc | 2178 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 2179 | struct inode *inode, |
0eb0adad | 2180 | block_t count) |
39a53e0c | 2181 | { |
0eb0adad CY |
2182 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
2183 | ||
39a53e0c | 2184 | spin_lock(&sbi->stat_lock); |
9850cf4a | 2185 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
39a53e0c | 2186 | sbi->total_valid_block_count -= (block_t)count; |
80d42145 YS |
2187 | if (sbi->reserved_blocks && |
2188 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2189 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
2190 | sbi->current_reserved_blocks + count); | |
39a53e0c | 2191 | spin_unlock(&sbi->stat_lock); |
5e159cd3 | 2192 | if (unlikely(inode->i_blocks < sectors)) { |
dcbb4c10 JP |
2193 | f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu", |
2194 | inode->i_ino, | |
2195 | (unsigned long long)inode->i_blocks, | |
2196 | (unsigned long long)sectors); | |
5e159cd3 CY |
2197 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2198 | return; | |
2199 | } | |
0abd675e | 2200 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
2201 | } |
2202 | ||
2203 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2204 | { | |
35782b23 | 2205 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 2206 | |
20109873 CY |
2207 | if (count_type == F2FS_DIRTY_DENTS || |
2208 | count_type == F2FS_DIRTY_NODES || | |
2209 | count_type == F2FS_DIRTY_META || | |
2210 | count_type == F2FS_DIRTY_QDATA || | |
2211 | count_type == F2FS_DIRTY_IMETA) | |
2212 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
39a53e0c JK |
2213 | } |
2214 | ||
a7ffdbe2 | 2215 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 2216 | { |
204706c7 | 2217 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2218 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2219 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2220 | if (IS_NOQUOTA(inode)) |
2221 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2222 | } |
2223 | ||
2224 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2225 | { | |
35782b23 | 2226 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2227 | } |
2228 | ||
a7ffdbe2 | 2229 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 2230 | { |
5ac9f36f CY |
2231 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
2232 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
2233 | return; |
2234 | ||
204706c7 | 2235 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2236 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2237 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2238 | if (IS_NOQUOTA(inode)) |
2239 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2240 | } |
2241 | ||
523be8a6 | 2242 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 2243 | { |
35782b23 | 2244 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2245 | } |
2246 | ||
204706c7 | 2247 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 2248 | { |
204706c7 | 2249 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
2250 | } |
2251 | ||
5ac206cf NJ |
2252 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
2253 | { | |
3519e3f9 | 2254 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
2255 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
2256 | sbi->log_blocks_per_seg; | |
2257 | ||
2258 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
2259 | } |
2260 | ||
39a53e0c JK |
2261 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
2262 | { | |
8b8343fa | 2263 | return sbi->total_valid_block_count; |
39a53e0c JK |
2264 | } |
2265 | ||
f83a2584 YH |
2266 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
2267 | { | |
2268 | return sbi->discard_blks; | |
2269 | } | |
2270 | ||
39a53e0c JK |
2271 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
2272 | { | |
2273 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2274 | ||
2275 | /* return NAT or SIT bitmap */ | |
2276 | if (flag == NAT_BITMAP) | |
2277 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
2278 | else if (flag == SIT_BITMAP) | |
2279 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
2280 | ||
2281 | return 0; | |
2282 | } | |
2283 | ||
55141486 WL |
2284 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
2285 | { | |
2286 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
2287 | } | |
2288 | ||
39a53e0c JK |
2289 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
2290 | { | |
2291 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
4260c406 | 2292 | void *tmp_ptr = &ckpt->sit_nat_version_bitmap; |
1dbe4152 CL |
2293 | int offset; |
2294 | ||
199bc3fe CY |
2295 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { |
2296 | offset = (flag == SIT_BITMAP) ? | |
2297 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; | |
b471eb99 CY |
2298 | /* |
2299 | * if large_nat_bitmap feature is enabled, leave checksum | |
2300 | * protection for all nat/sit bitmaps. | |
2301 | */ | |
4260c406 | 2302 | return tmp_ptr + offset + sizeof(__le32); |
199bc3fe CY |
2303 | } |
2304 | ||
55141486 | 2305 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
2306 | if (flag == NAT_BITMAP) |
2307 | return &ckpt->sit_nat_version_bitmap; | |
2308 | else | |
65b85ccc | 2309 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
2310 | } else { |
2311 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 2312 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
4260c406 | 2313 | return tmp_ptr + offset; |
1dbe4152 | 2314 | } |
39a53e0c JK |
2315 | } |
2316 | ||
2317 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
2318 | { | |
8508e44a | 2319 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 2320 | |
8508e44a | 2321 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 2322 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
2323 | return start_addr; |
2324 | } | |
39a53e0c | 2325 | |
8508e44a JK |
2326 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
2327 | { | |
2328 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 2329 | |
8508e44a JK |
2330 | if (sbi->cur_cp_pack == 1) |
2331 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
2332 | return start_addr; |
2333 | } | |
2334 | ||
8508e44a JK |
2335 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
2336 | { | |
2337 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
2338 | } | |
2339 | ||
39a53e0c JK |
2340 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
2341 | { | |
2342 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
2343 | } | |
2344 | ||
0abd675e | 2345 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 2346 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2347 | { |
2348 | block_t valid_block_count; | |
a4c3ecaa | 2349 | unsigned int valid_node_count, user_block_count; |
af033b2a | 2350 | int err; |
0abd675e | 2351 | |
af033b2a CY |
2352 | if (is_inode) { |
2353 | if (inode) { | |
2354 | err = dquot_alloc_inode(inode); | |
2355 | if (err) | |
2356 | return err; | |
2357 | } | |
2358 | } else { | |
2359 | err = dquot_reserve_block(inode, 1); | |
2360 | if (err) | |
2361 | return err; | |
0abd675e | 2362 | } |
39a53e0c | 2363 | |
812c6056 | 2364 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 2365 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
812c6056 CY |
2366 | goto enospc; |
2367 | } | |
812c6056 | 2368 | |
39a53e0c JK |
2369 | spin_lock(&sbi->stat_lock); |
2370 | ||
7e65be49 JK |
2371 | valid_block_count = sbi->total_valid_block_count + |
2372 | sbi->current_reserved_blocks + 1; | |
2373 | ||
a90a0884 | 2374 | if (!__allow_reserved_blocks(sbi, inode, false)) |
63189b78 | 2375 | valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; |
a4c3ecaa | 2376 | user_block_count = sbi->user_block_count; |
4354994f | 2377 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
a4c3ecaa | 2378 | user_block_count -= sbi->unusable_block_count; |
7e65be49 | 2379 | |
a4c3ecaa | 2380 | if (unlikely(valid_block_count > user_block_count)) { |
39a53e0c | 2381 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2382 | goto enospc; |
39a53e0c JK |
2383 | } |
2384 | ||
ef86d709 | 2385 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 2386 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 2387 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2388 | goto enospc; |
39a53e0c JK |
2389 | } |
2390 | ||
ef86d709 GZ |
2391 | sbi->total_valid_node_count++; |
2392 | sbi->total_valid_block_count++; | |
39a53e0c JK |
2393 | spin_unlock(&sbi->stat_lock); |
2394 | ||
000519f2 CY |
2395 | if (inode) { |
2396 | if (is_inode) | |
2397 | f2fs_mark_inode_dirty_sync(inode, true); | |
2398 | else | |
0abd675e | 2399 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 2400 | } |
ef86d709 | 2401 | |
41382ec4 | 2402 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
2403 | return 0; |
2404 | ||
2405 | enospc: | |
af033b2a CY |
2406 | if (is_inode) { |
2407 | if (inode) | |
2408 | dquot_free_inode(inode); | |
2409 | } else { | |
0abd675e | 2410 | dquot_release_reservation_block(inode, 1); |
af033b2a | 2411 | } |
0abd675e | 2412 | return -ENOSPC; |
39a53e0c JK |
2413 | } |
2414 | ||
2415 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 2416 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2417 | { |
2418 | spin_lock(&sbi->stat_lock); | |
2419 | ||
9850cf4a JK |
2420 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
2421 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); | |
39a53e0c | 2422 | |
ef86d709 GZ |
2423 | sbi->total_valid_node_count--; |
2424 | sbi->total_valid_block_count--; | |
80d42145 YS |
2425 | if (sbi->reserved_blocks && |
2426 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2427 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
2428 | |
2429 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2430 | |
ea6d7e72 | 2431 | if (is_inode) { |
af033b2a | 2432 | dquot_free_inode(inode); |
ea6d7e72 CY |
2433 | } else { |
2434 | if (unlikely(inode->i_blocks == 0)) { | |
097a7686 | 2435 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu", |
dcbb4c10 JP |
2436 | inode->i_ino, |
2437 | (unsigned long long)inode->i_blocks); | |
ea6d7e72 CY |
2438 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2439 | return; | |
2440 | } | |
0abd675e | 2441 | f2fs_i_blocks_write(inode, 1, false, true); |
ea6d7e72 | 2442 | } |
39a53e0c JK |
2443 | } |
2444 | ||
2445 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
2446 | { | |
8b8343fa | 2447 | return sbi->total_valid_node_count; |
39a53e0c JK |
2448 | } |
2449 | ||
2450 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
2451 | { | |
513c5f37 | 2452 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
2453 | } |
2454 | ||
0e80220a | 2455 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2456 | { |
513c5f37 | 2457 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
2458 | } |
2459 | ||
513c5f37 | 2460 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2461 | { |
513c5f37 | 2462 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
2463 | } |
2464 | ||
a56c7c6f JK |
2465 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
2466 | pgoff_t index, bool for_write) | |
2467 | { | |
82cf4f13 | 2468 | struct page *page; |
cac5a3d8 | 2469 | |
7fa750a1 AB |
2470 | if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) { |
2471 | if (!for_write) | |
2472 | page = find_get_page_flags(mapping, index, | |
2473 | FGP_LOCK | FGP_ACCESSED); | |
2474 | else | |
2475 | page = find_lock_page(mapping, index); | |
2476 | if (page) | |
2477 | return page; | |
c41f3cc3 | 2478 | |
7fa750a1 | 2479 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
c45d6002 CY |
2480 | f2fs_show_injection_info(F2FS_M_SB(mapping), |
2481 | FAULT_PAGE_ALLOC); | |
7fa750a1 AB |
2482 | return NULL; |
2483 | } | |
55523519 | 2484 | } |
7fa750a1 | 2485 | |
a56c7c6f JK |
2486 | if (!for_write) |
2487 | return grab_cache_page(mapping, index); | |
2488 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); | |
2489 | } | |
2490 | ||
01eccef7 CY |
2491 | static inline struct page *f2fs_pagecache_get_page( |
2492 | struct address_space *mapping, pgoff_t index, | |
2493 | int fgp_flags, gfp_t gfp_mask) | |
2494 | { | |
01eccef7 | 2495 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { |
c45d6002 | 2496 | f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET); |
01eccef7 CY |
2497 | return NULL; |
2498 | } | |
7fa750a1 | 2499 | |
01eccef7 CY |
2500 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); |
2501 | } | |
2502 | ||
6e2c64ad JK |
2503 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
2504 | { | |
2505 | char *src_kaddr = kmap(src); | |
2506 | char *dst_kaddr = kmap(dst); | |
2507 | ||
2508 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); | |
2509 | kunmap(dst); | |
2510 | kunmap(src); | |
2511 | } | |
2512 | ||
39a53e0c JK |
2513 | static inline void f2fs_put_page(struct page *page, int unlock) |
2514 | { | |
031fa8cc | 2515 | if (!page) |
39a53e0c JK |
2516 | return; |
2517 | ||
2518 | if (unlock) { | |
9850cf4a | 2519 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
2520 | unlock_page(page); |
2521 | } | |
09cbfeaf | 2522 | put_page(page); |
39a53e0c JK |
2523 | } |
2524 | ||
2525 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
2526 | { | |
2527 | if (dn->node_page) | |
2528 | f2fs_put_page(dn->node_page, 1); | |
2529 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
2530 | f2fs_put_page(dn->inode_page, 0); | |
2531 | dn->node_page = NULL; | |
2532 | dn->inode_page = NULL; | |
2533 | } | |
2534 | ||
2535 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 2536 | size_t size) |
39a53e0c | 2537 | { |
e8512d2e | 2538 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
2539 | } |
2540 | ||
7bd59381 GZ |
2541 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
2542 | gfp_t flags) | |
2543 | { | |
2544 | void *entry; | |
7bd59381 | 2545 | |
80c54505 JK |
2546 | entry = kmem_cache_alloc(cachep, flags); |
2547 | if (!entry) | |
2548 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
2549 | return entry; |
2550 | } | |
2551 | ||
493720a4 | 2552 | static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type) |
5f9abab4 JK |
2553 | { |
2554 | if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) || | |
2555 | get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) || | |
fef4129e CY |
2556 | get_pages(sbi, F2FS_WB_CP_DATA) || |
2557 | get_pages(sbi, F2FS_DIO_READ) || | |
11ac8ef8 | 2558 | get_pages(sbi, F2FS_DIO_WRITE)) |
493720a4 | 2559 | return true; |
11ac8ef8 | 2560 | |
56659ce8 | 2561 | if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info && |
11ac8ef8 | 2562 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard)) |
493720a4 | 2563 | return true; |
11ac8ef8 JK |
2564 | |
2565 | if (SM_I(sbi) && SM_I(sbi)->fcc_info && | |
2566 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush)) | |
493720a4 CY |
2567 | return true; |
2568 | return false; | |
2569 | } | |
2570 | ||
2571 | static inline bool is_idle(struct f2fs_sb_info *sbi, int type) | |
2572 | { | |
2573 | if (sbi->gc_mode == GC_URGENT_HIGH) | |
2574 | return true; | |
2575 | ||
2576 | if (is_inflight_io(sbi, type)) | |
11ac8ef8 JK |
2577 | return false; |
2578 | ||
0e5e8111 DJ |
2579 | if (sbi->gc_mode == GC_URGENT_LOW && |
2580 | (type == DISCARD_TIME || type == GC_TIME)) | |
2581 | return true; | |
2582 | ||
5f9abab4 JK |
2583 | return f2fs_time_over(sbi, type); |
2584 | } | |
2585 | ||
9be32d72 JK |
2586 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
2587 | unsigned long index, void *item) | |
2588 | { | |
2589 | while (radix_tree_insert(root, index, item)) | |
2590 | cond_resched(); | |
2591 | } | |
2592 | ||
39a53e0c JK |
2593 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
2594 | ||
2595 | static inline bool IS_INODE(struct page *page) | |
2596 | { | |
45590710 | 2597 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 2598 | |
39a53e0c JK |
2599 | return RAW_IS_INODE(p); |
2600 | } | |
2601 | ||
7a2af766 CY |
2602 | static inline int offset_in_addr(struct f2fs_inode *i) |
2603 | { | |
2604 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
2605 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
2606 | } | |
2607 | ||
39a53e0c JK |
2608 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
2609 | { | |
2610 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
2611 | } | |
2612 | ||
7a2af766 | 2613 | static inline int f2fs_has_extra_attr(struct inode *inode); |
a2ced1ce | 2614 | static inline block_t data_blkaddr(struct inode *inode, |
7a2af766 | 2615 | struct page *node_page, unsigned int offset) |
39a53e0c JK |
2616 | { |
2617 | struct f2fs_node *raw_node; | |
2618 | __le32 *addr_array; | |
7a2af766 CY |
2619 | int base = 0; |
2620 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 2621 | |
45590710 | 2622 | raw_node = F2FS_NODE(node_page); |
7a2af766 | 2623 | |
979f492f L |
2624 | if (is_inode) { |
2625 | if (!inode) | |
7a88ddb5 | 2626 | /* from GC path only */ |
7a2af766 | 2627 | base = offset_in_addr(&raw_node->i); |
979f492f L |
2628 | else if (f2fs_has_extra_attr(inode)) |
2629 | base = get_extra_isize(inode); | |
7a2af766 CY |
2630 | } |
2631 | ||
39a53e0c | 2632 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 2633 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
2634 | } |
2635 | ||
a2ced1ce CY |
2636 | static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn) |
2637 | { | |
2638 | return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node); | |
2639 | } | |
2640 | ||
39a53e0c JK |
2641 | static inline int f2fs_test_bit(unsigned int nr, char *addr) |
2642 | { | |
2643 | int mask; | |
2644 | ||
2645 | addr += (nr >> 3); | |
2646 | mask = 1 << (7 - (nr & 0x07)); | |
2647 | return mask & *addr; | |
2648 | } | |
2649 | ||
a66cdd98 JK |
2650 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
2651 | { | |
2652 | int mask; | |
2653 | ||
2654 | addr += (nr >> 3); | |
2655 | mask = 1 << (7 - (nr & 0x07)); | |
2656 | *addr |= mask; | |
2657 | } | |
2658 | ||
2659 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2660 | { | |
2661 | int mask; | |
2662 | ||
2663 | addr += (nr >> 3); | |
2664 | mask = 1 << (7 - (nr & 0x07)); | |
2665 | *addr &= ~mask; | |
2666 | } | |
2667 | ||
52aca074 | 2668 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2669 | { |
2670 | int mask; | |
2671 | int ret; | |
2672 | ||
2673 | addr += (nr >> 3); | |
2674 | mask = 1 << (7 - (nr & 0x07)); | |
2675 | ret = mask & *addr; | |
2676 | *addr |= mask; | |
2677 | return ret; | |
2678 | } | |
2679 | ||
52aca074 | 2680 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2681 | { |
2682 | int mask; | |
2683 | int ret; | |
2684 | ||
2685 | addr += (nr >> 3); | |
2686 | mask = 1 << (7 - (nr & 0x07)); | |
2687 | ret = mask & *addr; | |
2688 | *addr &= ~mask; | |
2689 | return ret; | |
2690 | } | |
2691 | ||
c6ac4c0e GZ |
2692 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
2693 | { | |
2694 | int mask; | |
2695 | ||
2696 | addr += (nr >> 3); | |
2697 | mask = 1 << (7 - (nr & 0x07)); | |
2698 | *addr ^= mask; | |
2699 | } | |
2700 | ||
59c84408 | 2701 | /* |
36098557 | 2702 | * On-disk inode flags (f2fs_inode::i_flags) |
59c84408 | 2703 | */ |
4c8ff709 | 2704 | #define F2FS_COMPR_FL 0x00000004 /* Compress file */ |
59c84408 CY |
2705 | #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */ |
2706 | #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ | |
2707 | #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */ | |
2708 | #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */ | |
2709 | #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */ | |
4c8ff709 | 2710 | #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */ |
59c84408 | 2711 | #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */ |
59c84408 | 2712 | #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ |
59c84408 | 2713 | #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ |
2c2eb7a3 | 2714 | #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */ |
59c84408 CY |
2715 | |
2716 | /* Flags that should be inherited by new inodes from their parent. */ | |
36098557 | 2717 | #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \ |
2c2eb7a3 | 2718 | F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
4c8ff709 | 2719 | F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL) |
59c84408 CY |
2720 | |
2721 | /* Flags that are appropriate for regular files (all but dir-specific ones). */ | |
2c2eb7a3 DR |
2722 | #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
2723 | F2FS_CASEFOLD_FL)) | |
59c84408 CY |
2724 | |
2725 | /* Flags that are appropriate for non-directories/regular files. */ | |
2726 | #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL) | |
5c57132e CY |
2727 | |
2728 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2729 | { | |
2730 | if (S_ISDIR(mode)) | |
2731 | return flags; | |
2732 | else if (S_ISREG(mode)) | |
2733 | return flags & F2FS_REG_FLMASK; | |
2734 | else | |
2735 | return flags & F2FS_OTHER_FLMASK; | |
2736 | } | |
2737 | ||
205b9822 JK |
2738 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2739 | int flag, bool set) | |
2740 | { | |
2741 | switch (flag) { | |
2742 | case FI_INLINE_XATTR: | |
2743 | case FI_INLINE_DATA: | |
2744 | case FI_INLINE_DENTRY: | |
9ac1e2d8 | 2745 | case FI_NEW_INODE: |
205b9822 JK |
2746 | if (set) |
2747 | return; | |
df561f66 | 2748 | fallthrough; |
205b9822 JK |
2749 | case FI_DATA_EXIST: |
2750 | case FI_INLINE_DOTS: | |
1ad71a27 | 2751 | case FI_PIN_FILE: |
c6140415 | 2752 | case FI_COMPRESS_RELEASED: |
7c45729a | 2753 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2754 | } |
2755 | } | |
2756 | ||
91942321 | 2757 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2758 | { |
58f7e00f | 2759 | set_bit(flag, F2FS_I(inode)->flags); |
205b9822 | 2760 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
2761 | } |
2762 | ||
91942321 | 2763 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 2764 | { |
7653b9d8 | 2765 | return test_bit(flag, F2FS_I(inode)->flags); |
39a53e0c JK |
2766 | } |
2767 | ||
91942321 | 2768 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2769 | { |
58f7e00f | 2770 | clear_bit(flag, F2FS_I(inode)->flags); |
205b9822 | 2771 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
2772 | } |
2773 | ||
95ae251f EB |
2774 | static inline bool f2fs_verity_in_progress(struct inode *inode) |
2775 | { | |
2776 | return IS_ENABLED(CONFIG_FS_VERITY) && | |
2777 | is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS); | |
2778 | } | |
2779 | ||
91942321 | 2780 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 2781 | { |
91942321 JK |
2782 | F2FS_I(inode)->i_acl_mode = mode; |
2783 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 2784 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
2785 | } |
2786 | ||
a1961246 | 2787 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 2788 | { |
a1961246 JK |
2789 | if (inc) |
2790 | inc_nlink(inode); | |
2791 | else | |
2792 | drop_nlink(inode); | |
7c45729a | 2793 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
2794 | } |
2795 | ||
8edd03c8 | 2796 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 2797 | block_t diff, bool add, bool claim) |
8edd03c8 | 2798 | { |
26de9b11 JK |
2799 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2800 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2801 | ||
0abd675e CY |
2802 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
2803 | if (add) { | |
2804 | if (claim) | |
2805 | dquot_claim_block(inode, diff); | |
2806 | else | |
2807 | dquot_alloc_block_nofail(inode, diff); | |
2808 | } else { | |
2809 | dquot_free_block(inode, diff); | |
2810 | } | |
2811 | ||
7c45729a | 2812 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2813 | if (clean || recover) |
2814 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
2815 | } |
2816 | ||
fc9581c8 JK |
2817 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
2818 | { | |
26de9b11 JK |
2819 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2820 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2821 | ||
fc9581c8 JK |
2822 | if (i_size_read(inode) == i_size) |
2823 | return; | |
2824 | ||
2825 | i_size_write(inode, i_size); | |
7c45729a | 2826 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2827 | if (clean || recover) |
2828 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2829 | } |
2830 | ||
205b9822 | 2831 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 2832 | { |
205b9822 | 2833 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 2834 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2835 | } |
2836 | ||
1ad71a27 JK |
2837 | static inline void f2fs_i_gc_failures_write(struct inode *inode, |
2838 | unsigned int count) | |
2839 | { | |
2ef79ecb | 2840 | F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count; |
1ad71a27 JK |
2841 | f2fs_mark_inode_dirty_sync(inode, true); |
2842 | } | |
2843 | ||
205b9822 | 2844 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 2845 | { |
205b9822 | 2846 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 2847 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2848 | } |
2849 | ||
2850 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
2851 | { | |
2852 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 2853 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2854 | } |
2855 | ||
91942321 | 2856 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 2857 | { |
205b9822 JK |
2858 | struct f2fs_inode_info *fi = F2FS_I(inode); |
2859 | ||
444c580f | 2860 | if (ri->i_inline & F2FS_INLINE_XATTR) |
7653b9d8 | 2861 | set_bit(FI_INLINE_XATTR, fi->flags); |
1001b347 | 2862 | if (ri->i_inline & F2FS_INLINE_DATA) |
7653b9d8 | 2863 | set_bit(FI_INLINE_DATA, fi->flags); |
34d67deb | 2864 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
7653b9d8 | 2865 | set_bit(FI_INLINE_DENTRY, fi->flags); |
b3d208f9 | 2866 | if (ri->i_inline & F2FS_DATA_EXIST) |
7653b9d8 | 2867 | set_bit(FI_DATA_EXIST, fi->flags); |
510022a8 | 2868 | if (ri->i_inline & F2FS_INLINE_DOTS) |
7653b9d8 | 2869 | set_bit(FI_INLINE_DOTS, fi->flags); |
7a2af766 | 2870 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
7653b9d8 | 2871 | set_bit(FI_EXTRA_ATTR, fi->flags); |
1ad71a27 | 2872 | if (ri->i_inline & F2FS_PIN_FILE) |
7653b9d8 | 2873 | set_bit(FI_PIN_FILE, fi->flags); |
c6140415 JK |
2874 | if (ri->i_inline & F2FS_COMPRESS_RELEASED) |
2875 | set_bit(FI_COMPRESS_RELEASED, fi->flags); | |
444c580f JK |
2876 | } |
2877 | ||
91942321 | 2878 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
2879 | { |
2880 | ri->i_inline = 0; | |
2881 | ||
91942321 | 2882 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 2883 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 2884 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 2885 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 2886 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 2887 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 2888 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 2889 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 2890 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 2891 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
2892 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
2893 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
1ad71a27 JK |
2894 | if (is_inode_flag_set(inode, FI_PIN_FILE)) |
2895 | ri->i_inline |= F2FS_PIN_FILE; | |
c6140415 JK |
2896 | if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) |
2897 | ri->i_inline |= F2FS_COMPRESS_RELEASED; | |
7a2af766 CY |
2898 | } |
2899 | ||
2900 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
2901 | { | |
2902 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
2903 | } |
2904 | ||
987c7c31 CY |
2905 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
2906 | { | |
91942321 | 2907 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
2908 | } |
2909 | ||
4c8ff709 CY |
2910 | static inline int f2fs_compressed_file(struct inode *inode) |
2911 | { | |
2912 | return S_ISREG(inode->i_mode) && | |
2913 | is_inode_flag_set(inode, FI_COMPRESSED_FILE); | |
2914 | } | |
2915 | ||
602a16d5 DJ |
2916 | static inline bool f2fs_need_compress_data(struct inode *inode) |
2917 | { | |
2918 | int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode; | |
2919 | ||
2920 | if (!f2fs_compressed_file(inode)) | |
2921 | return false; | |
2922 | ||
2923 | if (compress_mode == COMPR_MODE_FS) | |
2924 | return true; | |
2925 | else if (compress_mode == COMPR_MODE_USER && | |
2926 | is_inode_flag_set(inode, FI_ENABLE_COMPRESS)) | |
2927 | return true; | |
2928 | ||
2929 | return false; | |
2930 | } | |
2931 | ||
81ca7350 | 2932 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 2933 | { |
d02a6e61 CY |
2934 | unsigned int addrs = CUR_ADDRS_PER_INODE(inode) - |
2935 | get_inline_xattr_addrs(inode); | |
4c8ff709 CY |
2936 | |
2937 | if (!f2fs_compressed_file(inode)) | |
2938 | return addrs; | |
2939 | return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size); | |
d02a6e61 CY |
2940 | } |
2941 | ||
2942 | static inline unsigned int addrs_per_block(struct inode *inode) | |
2943 | { | |
4c8ff709 CY |
2944 | if (!f2fs_compressed_file(inode)) |
2945 | return DEF_ADDRS_PER_BLOCK; | |
2946 | return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size); | |
de93653f JK |
2947 | } |
2948 | ||
6afc662e | 2949 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 2950 | { |
695fd1ed | 2951 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 2952 | |
65985d93 | 2953 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
b323fd28 | 2954 | get_inline_xattr_addrs(inode)]); |
65985d93 JK |
2955 | } |
2956 | ||
2957 | static inline int inline_xattr_size(struct inode *inode) | |
2958 | { | |
622927f3 CY |
2959 | if (f2fs_has_inline_xattr(inode)) |
2960 | return get_inline_xattr_addrs(inode) * sizeof(__le32); | |
2961 | return 0; | |
65985d93 JK |
2962 | } |
2963 | ||
0dbdc2ae JK |
2964 | static inline int f2fs_has_inline_data(struct inode *inode) |
2965 | { | |
91942321 | 2966 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
2967 | } |
2968 | ||
b3d208f9 JK |
2969 | static inline int f2fs_exist_data(struct inode *inode) |
2970 | { | |
91942321 | 2971 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
2972 | } |
2973 | ||
510022a8 JK |
2974 | static inline int f2fs_has_inline_dots(struct inode *inode) |
2975 | { | |
91942321 | 2976 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
2977 | } |
2978 | ||
4c8ff709 CY |
2979 | static inline int f2fs_is_mmap_file(struct inode *inode) |
2980 | { | |
2981 | return is_inode_flag_set(inode, FI_MMAP_FILE); | |
2982 | } | |
2983 | ||
1ad71a27 JK |
2984 | static inline bool f2fs_is_pinned_file(struct inode *inode) |
2985 | { | |
2986 | return is_inode_flag_set(inode, FI_PIN_FILE); | |
2987 | } | |
2988 | ||
88b88a66 JK |
2989 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
2990 | { | |
91942321 | 2991 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
2992 | } |
2993 | ||
5fe45743 CY |
2994 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
2995 | { | |
2996 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); | |
2997 | } | |
2998 | ||
02a1335f JK |
2999 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
3000 | { | |
91942321 | 3001 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
02a1335f JK |
3002 | } |
3003 | ||
3c6c2beb JK |
3004 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
3005 | { | |
91942321 | 3006 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
3007 | } |
3008 | ||
1e84371f JK |
3009 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
3010 | { | |
91942321 | 3011 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
3012 | } |
3013 | ||
f2470371 | 3014 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 3015 | { |
695fd1ed | 3016 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 3017 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 3018 | |
7a2af766 | 3019 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
3020 | } |
3021 | ||
34d67deb CY |
3022 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
3023 | { | |
91942321 | 3024 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
3025 | } |
3026 | ||
b5492af7 JK |
3027 | static inline int is_file(struct inode *inode, int type) |
3028 | { | |
3029 | return F2FS_I(inode)->i_advise & type; | |
3030 | } | |
3031 | ||
3032 | static inline void set_file(struct inode *inode, int type) | |
3033 | { | |
3034 | F2FS_I(inode)->i_advise |= type; | |
7c45729a | 3035 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
3036 | } |
3037 | ||
3038 | static inline void clear_file(struct inode *inode, int type) | |
3039 | { | |
3040 | F2FS_I(inode)->i_advise &= ~type; | |
7c45729a | 3041 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
3042 | } |
3043 | ||
fe1897ea CY |
3044 | static inline bool f2fs_is_time_consistent(struct inode *inode) |
3045 | { | |
3046 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) | |
3047 | return false; | |
3048 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) | |
3049 | return false; | |
3050 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) | |
3051 | return false; | |
3052 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3, | |
3053 | &F2FS_I(inode)->i_crtime)) | |
3054 | return false; | |
3055 | return true; | |
3056 | } | |
3057 | ||
26787236 JK |
3058 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
3059 | { | |
a0d00fad CY |
3060 | bool ret; |
3061 | ||
26787236 JK |
3062 | if (dsync) { |
3063 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
26787236 JK |
3064 | |
3065 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
3066 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
3067 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
3068 | return ret; | |
3069 | } | |
3070 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
3071 | file_keep_isize(inode) || | |
235831d7 | 3072 | i_size_read(inode) & ~PAGE_MASK) |
26787236 | 3073 | return false; |
a0d00fad | 3074 | |
fe1897ea | 3075 | if (!f2fs_is_time_consistent(inode)) |
214c2461 JK |
3076 | return false; |
3077 | ||
c10c9820 | 3078 | spin_lock(&F2FS_I(inode)->i_size_lock); |
a0d00fad | 3079 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); |
c10c9820 | 3080 | spin_unlock(&F2FS_I(inode)->i_size_lock); |
a0d00fad CY |
3081 | |
3082 | return ret; | |
b5492af7 JK |
3083 | } |
3084 | ||
deeedd71 | 3085 | static inline bool f2fs_readonly(struct super_block *sb) |
77888c1e | 3086 | { |
deeedd71 | 3087 | return sb_rdonly(sb); |
77888c1e JK |
3088 | } |
3089 | ||
1e968fdf JK |
3090 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
3091 | { | |
aaec2b1d | 3092 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
3093 | } |
3094 | ||
43c780ba | 3095 | static inline bool is_dot_dotdot(const u8 *name, size_t len) |
eaa693f4 | 3096 | { |
43c780ba | 3097 | if (len == 1 && name[0] == '.') |
eaa693f4 JK |
3098 | return true; |
3099 | ||
43c780ba | 3100 | if (len == 2 && name[0] == '.' && name[1] == '.') |
eaa693f4 JK |
3101 | return true; |
3102 | ||
3103 | return false; | |
3104 | } | |
3105 | ||
3e72f721 JK |
3106 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
3107 | { | |
e4589fa5 ST |
3108 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
3109 | ||
3110 | if (!test_opt(sbi, EXTENT_CACHE) || | |
4c8ff709 CY |
3111 | is_inode_flag_set(inode, FI_NO_EXTENT) || |
3112 | is_inode_flag_set(inode, FI_COMPRESSED_FILE)) | |
3e72f721 JK |
3113 | return false; |
3114 | ||
e4589fa5 ST |
3115 | /* |
3116 | * for recovered files during mount do not create extents | |
3117 | * if shrinker is not registered. | |
3118 | */ | |
3119 | if (list_empty(&sbi->s_list)) | |
3120 | return false; | |
3121 | ||
886f56f9 | 3122 | return S_ISREG(inode->i_mode); |
3e72f721 JK |
3123 | } |
3124 | ||
1ecc0c5c CY |
3125 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
3126 | size_t size, gfp_t flags) | |
0414b004 | 3127 | { |
55523519 | 3128 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
c45d6002 | 3129 | f2fs_show_injection_info(sbi, FAULT_KMALLOC); |
2c63fead | 3130 | return NULL; |
55523519 | 3131 | } |
7fa750a1 | 3132 | |
0b6d4ca0 | 3133 | return kmalloc(size, flags); |
0414b004 JK |
3134 | } |
3135 | ||
acbf054d CY |
3136 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, |
3137 | size_t size, gfp_t flags) | |
3138 | { | |
3139 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); | |
3140 | } | |
3141 | ||
628b3d14 CY |
3142 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, |
3143 | size_t size, gfp_t flags) | |
3144 | { | |
628b3d14 | 3145 | if (time_to_inject(sbi, FAULT_KVMALLOC)) { |
c45d6002 | 3146 | f2fs_show_injection_info(sbi, FAULT_KVMALLOC); |
628b3d14 CY |
3147 | return NULL; |
3148 | } | |
7fa750a1 | 3149 | |
628b3d14 CY |
3150 | return kvmalloc(size, flags); |
3151 | } | |
3152 | ||
3153 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, | |
3154 | size_t size, gfp_t flags) | |
3155 | { | |
3156 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); | |
3157 | } | |
3158 | ||
7a2af766 | 3159 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 3160 | { |
7a2af766 | 3161 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
3162 | } |
3163 | ||
6afc662e CY |
3164 | static inline int get_inline_xattr_addrs(struct inode *inode) |
3165 | { | |
3166 | return F2FS_I(inode)->i_inline_xattr_size; | |
3167 | } | |
3168 | ||
4d57b86d | 3169 | #define f2fs_get_inode_mode(i) \ |
91942321 | 3170 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
3171 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
3172 | ||
7a2af766 CY |
3173 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
3174 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
3175 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
3176 | ||
5c57132e CY |
3177 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
3178 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2f84babf | 3179 | ((offsetof(typeof(*(f2fs_inode)), field) + \ |
5c57132e | 3180 | sizeof((f2fs_inode)->field)) \ |
2f84babf | 3181 | <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \ |
5c57132e | 3182 | |
2bc4bea3 DJ |
3183 | #define DEFAULT_IOSTAT_PERIOD_MS 3000 |
3184 | #define MIN_IOSTAT_PERIOD_MS 100 | |
3185 | /* maximum period of iostat tracing is 1 day */ | |
3186 | #define MAX_IOSTAT_PERIOD_MS 8640000 | |
3187 | ||
b0af6d49 CY |
3188 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) |
3189 | { | |
3190 | int i; | |
3191 | ||
3192 | spin_lock(&sbi->iostat_lock); | |
2bc4bea3 | 3193 | for (i = 0; i < NR_IO_TYPE; i++) { |
8b83ac81 CY |
3194 | sbi->rw_iostat[i] = 0; |
3195 | sbi->prev_rw_iostat[i] = 0; | |
2bc4bea3 | 3196 | } |
b0af6d49 CY |
3197 | spin_unlock(&sbi->iostat_lock); |
3198 | } | |
3199 | ||
2bc4bea3 DJ |
3200 | extern void f2fs_record_iostat(struct f2fs_sb_info *sbi); |
3201 | ||
b0af6d49 CY |
3202 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, |
3203 | enum iostat_type type, unsigned long long io_bytes) | |
3204 | { | |
3205 | if (!sbi->iostat_enable) | |
3206 | return; | |
3207 | spin_lock(&sbi->iostat_lock); | |
8b83ac81 | 3208 | sbi->rw_iostat[type] += io_bytes; |
b0af6d49 CY |
3209 | |
3210 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) | |
8b83ac81 CY |
3211 | sbi->rw_iostat[APP_BUFFERED_IO] = |
3212 | sbi->rw_iostat[APP_WRITE_IO] - | |
3213 | sbi->rw_iostat[APP_DIRECT_IO]; | |
3214 | ||
3215 | if (type == APP_READ_IO || type == APP_DIRECT_READ_IO) | |
3216 | sbi->rw_iostat[APP_BUFFERED_READ_IO] = | |
3217 | sbi->rw_iostat[APP_READ_IO] - | |
3218 | sbi->rw_iostat[APP_DIRECT_READ_IO]; | |
b0af6d49 | 3219 | spin_unlock(&sbi->iostat_lock); |
2bc4bea3 DJ |
3220 | |
3221 | f2fs_record_iostat(sbi); | |
b0af6d49 CY |
3222 | } |
3223 | ||
2c70c5e3 CY |
3224 | #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1) |
3225 | ||
6dc3a126 | 3226 | #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META) |
c9b60788 | 3227 | |
e1da7872 CY |
3228 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3229 | block_t blkaddr, int type); | |
e1da7872 CY |
3230 | static inline void verify_blkaddr(struct f2fs_sb_info *sbi, |
3231 | block_t blkaddr, int type) | |
3232 | { | |
3233 | if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) { | |
dcbb4c10 JP |
3234 | f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.", |
3235 | blkaddr, type); | |
e1da7872 CY |
3236 | f2fs_bug_on(sbi, 1); |
3237 | } | |
3238 | } | |
3239 | ||
3240 | static inline bool __is_valid_data_blkaddr(block_t blkaddr) | |
7b525dd0 | 3241 | { |
4c8ff709 CY |
3242 | if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR || |
3243 | blkaddr == COMPRESS_ADDR) | |
7b525dd0 CY |
3244 | return false; |
3245 | return true; | |
3246 | } | |
3247 | ||
39a53e0c JK |
3248 | /* |
3249 | * file.c | |
3250 | */ | |
cac5a3d8 | 3251 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
4d57b86d | 3252 | void f2fs_truncate_data_blocks(struct dnode_of_data *dn); |
3265d3db | 3253 | int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock); |
c42d28ce | 3254 | int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock); |
cac5a3d8 | 3255 | int f2fs_truncate(struct inode *inode); |
549c7297 CB |
3256 | int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path, |
3257 | struct kstat *stat, u32 request_mask, unsigned int flags); | |
3258 | int f2fs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, | |
3259 | struct iattr *attr); | |
4d57b86d CY |
3260 | int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); |
3261 | void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
c4020b2d | 3262 | int f2fs_precache_extents(struct inode *inode); |
9b1bb01c MS |
3263 | int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa); |
3264 | int f2fs_fileattr_set(struct user_namespace *mnt_userns, | |
3265 | struct dentry *dentry, struct fileattr *fa); | |
cac5a3d8 DS |
3266 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
3267 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
78130819 | 3268 | int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid); |
1ad71a27 | 3269 | int f2fs_pin_file_control(struct inode *inode, bool inc); |
39a53e0c JK |
3270 | |
3271 | /* | |
3272 | * inode.c | |
3273 | */ | |
cac5a3d8 | 3274 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
3275 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
3276 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
3277 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
3278 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
4d57b86d CY |
3279 | int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); |
3280 | void f2fs_update_inode(struct inode *inode, struct page *node_page); | |
3281 | void f2fs_update_inode_page(struct inode *inode); | |
cac5a3d8 DS |
3282 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); |
3283 | void f2fs_evict_inode(struct inode *inode); | |
4d57b86d | 3284 | void f2fs_handle_failed_inode(struct inode *inode); |
39a53e0c JK |
3285 | |
3286 | /* | |
3287 | * namei.c | |
3288 | */ | |
4d57b86d | 3289 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
b6a06cbb | 3290 | bool hot, bool set); |
39a53e0c JK |
3291 | struct dentry *f2fs_get_parent(struct dentry *child); |
3292 | ||
3293 | /* | |
3294 | * dir.c | |
3295 | */ | |
4d57b86d | 3296 | unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de); |
43c780ba EB |
3297 | int f2fs_init_casefolded_name(const struct inode *dir, |
3298 | struct f2fs_filename *fname); | |
3299 | int f2fs_setup_filename(struct inode *dir, const struct qstr *iname, | |
3300 | int lookup, struct f2fs_filename *fname); | |
3301 | int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry, | |
3302 | struct f2fs_filename *fname); | |
3303 | void f2fs_free_filename(struct f2fs_filename *fname); | |
3304 | struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d, | |
3305 | const struct f2fs_filename *fname, int *max_slots); | |
cac5a3d8 DS |
3306 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, |
3307 | unsigned int start_pos, struct fscrypt_str *fstr); | |
4d57b86d | 3308 | void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 3309 | struct f2fs_dentry_ptr *d); |
4d57b86d | 3310 | struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir, |
43c780ba | 3311 | const struct f2fs_filename *fname, struct page *dpage); |
4d57b86d | 3312 | void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, |
cac5a3d8 | 3313 | unsigned int current_depth); |
4d57b86d | 3314 | int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots); |
cac5a3d8 DS |
3315 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); |
3316 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
43c780ba EB |
3317 | const struct f2fs_filename *fname, |
3318 | struct page **res_page); | |
cac5a3d8 DS |
3319 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, |
3320 | const struct qstr *child, struct page **res_page); | |
3321 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
3322 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
3323 | struct page **page); | |
3324 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
3325 | struct page *page, struct inode *inode); | |
b06af2af | 3326 | bool f2fs_has_enough_room(struct inode *dir, struct page *ipage, |
43c780ba | 3327 | const struct f2fs_filename *fname); |
cac5a3d8 | 3328 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
43c780ba | 3329 | const struct fscrypt_str *name, f2fs_hash_t name_hash, |
cac5a3d8 | 3330 | unsigned int bit_pos); |
43c780ba | 3331 | int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 3332 | struct inode *inode, nid_t ino, umode_t mode); |
43c780ba | 3333 | int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 3334 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d | 3335 | int f2fs_do_add_link(struct inode *dir, const struct qstr *name, |
cac5a3d8 DS |
3336 | struct inode *inode, nid_t ino, umode_t mode); |
3337 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
3338 | struct inode *dir, struct inode *inode); | |
3339 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
3340 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 3341 | |
b7f7a5e0 AV |
3342 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
3343 | { | |
bfc2b7e8 EB |
3344 | if (fscrypt_is_nokey_name(dentry)) |
3345 | return -ENOKEY; | |
4d57b86d | 3346 | return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 3347 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
3348 | } |
3349 | ||
39a53e0c JK |
3350 | /* |
3351 | * super.c | |
3352 | */ | |
cac5a3d8 DS |
3353 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
3354 | void f2fs_inode_synced(struct inode *inode); | |
ea676733 | 3355 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
af033b2a | 3356 | int f2fs_quota_sync(struct super_block *sb, int type); |
6d1451bf | 3357 | loff_t max_file_blocks(struct inode *inode); |
4b2414d0 | 3358 | void f2fs_quota_off_umount(struct super_block *sb); |
cac5a3d8 DS |
3359 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
3360 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
4d57b86d | 3361 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
3362 | |
3363 | /* | |
3364 | * hash.c | |
3365 | */ | |
43c780ba | 3366 | void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname); |
39a53e0c JK |
3367 | |
3368 | /* | |
3369 | * node.c | |
3370 | */ | |
39a53e0c JK |
3371 | struct node_info; |
3372 | ||
4d57b86d CY |
3373 | int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); |
3374 | bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); | |
50fa53ec CY |
3375 | bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page); |
3376 | void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); | |
3377 | void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page); | |
3378 | void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); | |
4d57b86d CY |
3379 | int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); |
3380 | bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
3381 | bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
7735730d | 3382 | int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, |
4d57b86d CY |
3383 | struct node_info *ni); |
3384 | pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); | |
3385 | int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
3386 | int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
3387 | int f2fs_truncate_xattr_node(struct inode *inode); | |
50fa53ec CY |
3388 | int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, |
3389 | unsigned int seq_id); | |
4d57b86d CY |
3390 | int f2fs_remove_inode_page(struct inode *inode); |
3391 | struct page *f2fs_new_inode_page(struct inode *inode); | |
3392 | struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs); | |
3393 | void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); | |
3394 | struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
3395 | struct page *f2fs_get_node_page_ra(struct page *parent, int start); | |
48018b4c | 3396 | int f2fs_move_node_page(struct page *node_page, int gc_type); |
68e79baf | 3397 | void f2fs_flush_inline_data(struct f2fs_sb_info *sbi); |
4d57b86d | 3398 | int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, |
50fa53ec CY |
3399 | struct writeback_control *wbc, bool atomic, |
3400 | unsigned int *seq_id); | |
4d57b86d CY |
3401 | int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, |
3402 | struct writeback_control *wbc, | |
b0af6d49 | 3403 | bool do_balance, enum iostat_type io_type); |
e2374015 | 3404 | int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
4d57b86d CY |
3405 | bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
3406 | void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
3407 | void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
3408 | int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
9627a7b3 | 3409 | int f2fs_recover_inline_xattr(struct inode *inode, struct page *page); |
4d57b86d CY |
3410 | int f2fs_recover_xattr_data(struct inode *inode, struct page *page); |
3411 | int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
7735730d | 3412 | int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, |
cac5a3d8 | 3413 | unsigned int segno, struct f2fs_summary_block *sum); |
edc55aaf | 3414 | int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
4d57b86d CY |
3415 | int f2fs_build_node_manager(struct f2fs_sb_info *sbi); |
3416 | void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi); | |
3417 | int __init f2fs_create_node_manager_caches(void); | |
3418 | void f2fs_destroy_node_manager_caches(void); | |
39a53e0c JK |
3419 | |
3420 | /* | |
3421 | * segment.c | |
3422 | */ | |
4d57b86d CY |
3423 | bool f2fs_need_SSR(struct f2fs_sb_info *sbi); |
3424 | void f2fs_register_inmem_page(struct inode *inode, struct page *page); | |
3425 | void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure); | |
3426 | void f2fs_drop_inmem_pages(struct inode *inode); | |
3427 | void f2fs_drop_inmem_page(struct inode *inode, struct page *page); | |
3428 | int f2fs_commit_inmem_pages(struct inode *inode); | |
cac5a3d8 | 3429 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); |
7bcd0cfa | 3430 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg); |
39d787be | 3431 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
4d57b86d | 3432 | int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi); |
1228b482 | 3433 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3434 | void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
3435 | void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
3436 | bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
3437 | void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi); | |
3438 | void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi); | |
03f2c02d | 3439 | bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3440 | void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, |
3441 | struct cp_control *cpc); | |
4354994f | 3442 | void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi); |
4d3aed70 DR |
3443 | block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi); |
3444 | int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable); | |
4d57b86d CY |
3445 | void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); |
3446 | int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
61461fc9 | 3447 | bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno); |
093749e2 CY |
3448 | void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi); |
3449 | void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi); | |
3450 | void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi); | |
3451 | void f2fs_get_new_segment(struct f2fs_sb_info *sbi, | |
3452 | unsigned int *newseg, bool new_sec, int dir); | |
0ef81833 | 3453 | void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type, |
04f0b2ea | 3454 | unsigned int start, unsigned int end); |
509f1010 | 3455 | void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force); |
901d745f | 3456 | void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3457 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); |
4d57b86d CY |
3458 | bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, |
3459 | struct cp_control *cpc); | |
3460 | struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
3461 | void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src, | |
3462 | block_t blk_addr); | |
3463 | void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page, | |
b0af6d49 | 3464 | enum iostat_type io_type); |
4d57b86d CY |
3465 | void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
3466 | void f2fs_outplace_write_data(struct dnode_of_data *dn, | |
3467 | struct f2fs_io_info *fio); | |
3468 | int f2fs_inplace_write_data(struct f2fs_io_info *fio); | |
3469 | void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, | |
cac5a3d8 | 3470 | block_t old_blkaddr, block_t new_blkaddr, |
c5d02785 CY |
3471 | bool recover_curseg, bool recover_newaddr, |
3472 | bool from_gc); | |
cac5a3d8 DS |
3473 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, |
3474 | block_t old_addr, block_t new_addr, | |
3475 | unsigned char version, bool recover_curseg, | |
3476 | bool recover_newaddr); | |
4d57b86d | 3477 | void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, |
cac5a3d8 | 3478 | block_t old_blkaddr, block_t *new_blkaddr, |
fb830fc5 | 3479 | struct f2fs_summary *sum, int type, |
f608c38c | 3480 | struct f2fs_io_info *fio); |
cac5a3d8 | 3481 | void f2fs_wait_on_page_writeback(struct page *page, |
bae0ee7a | 3482 | enum page_type type, bool ordered, bool locked); |
0ded69f6 | 3483 | void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr); |
1e78e8bd ST |
3484 | void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr, |
3485 | block_t len); | |
4d57b86d CY |
3486 | void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
3487 | void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
3488 | int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
cac5a3d8 | 3489 | unsigned int val, int alloc); |
4d57b86d | 3490 | void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
c426d991 | 3491 | int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi); |
d508c94e | 3492 | int f2fs_check_write_pointer(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3493 | int f2fs_build_segment_manager(struct f2fs_sb_info *sbi); |
3494 | void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi); | |
3495 | int __init f2fs_create_segment_manager_caches(void); | |
3496 | void f2fs_destroy_segment_manager_caches(void); | |
3497 | int f2fs_rw_hint_to_seg_type(enum rw_hint hint); | |
3498 | enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi, | |
3499 | enum page_type type, enum temp_type temp); | |
de881df9 AR |
3500 | unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi, |
3501 | unsigned int segno); | |
3502 | unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi, | |
3503 | unsigned int segno); | |
39a53e0c JK |
3504 | |
3505 | /* | |
3506 | * checkpoint.c | |
3507 | */ | |
cac5a3d8 | 3508 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
4d57b86d CY |
3509 | struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
3510 | struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
86f33603 | 3511 | struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index); |
4d57b86d | 3512 | struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); |
e1da7872 CY |
3513 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3514 | block_t blkaddr, int type); | |
4d57b86d | 3515 | int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, |
cac5a3d8 | 3516 | int type, bool sync); |
4d57b86d CY |
3517 | void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); |
3518 | long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, | |
b0af6d49 | 3519 | long nr_to_write, enum iostat_type io_type); |
4d57b86d CY |
3520 | void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
3521 | void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
3522 | void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
3523 | bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
3524 | void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
39d787be | 3525 | unsigned int devidx, int type); |
4d57b86d | 3526 | bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
39d787be | 3527 | unsigned int devidx, int type); |
cac5a3d8 | 3528 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3529 | int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi); |
3530 | void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi); | |
3531 | void f2fs_add_orphan_inode(struct inode *inode); | |
3532 | void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
3533 | int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
3534 | int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
3535 | void f2fs_update_dirty_page(struct inode *inode, struct page *page); | |
3536 | void f2fs_remove_dirty_inode(struct inode *inode); | |
3537 | int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
bf22c3cc | 3538 | void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type); |
3a0a9cbc | 3539 | u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3540 | int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
3541 | void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); | |
3542 | int __init f2fs_create_checkpoint_caches(void); | |
3543 | void f2fs_destroy_checkpoint_caches(void); | |
261eeb9c DJ |
3544 | int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi); |
3545 | int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi); | |
3546 | void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi); | |
3547 | void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3548 | |
3549 | /* | |
3550 | * data.c | |
3551 | */ | |
f543805f CY |
3552 | int __init f2fs_init_bioset(void); |
3553 | void f2fs_destroy_bioset(void); | |
0b20fcec CY |
3554 | int f2fs_init_bio_entry_cache(void); |
3555 | void f2fs_destroy_bio_entry_cache(void); | |
4c8ff709 CY |
3556 | void f2fs_submit_bio(struct f2fs_sb_info *sbi, |
3557 | struct bio *bio, enum page_type type); | |
b9109b0e JK |
3558 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
3559 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
bab475c5 CY |
3560 | struct inode *inode, struct page *page, |
3561 | nid_t ino, enum page_type type); | |
0b20fcec CY |
3562 | void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi, |
3563 | struct bio **bio, struct page *page); | |
b9109b0e | 3564 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3565 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
8648de2c | 3566 | int f2fs_merge_page_bio(struct f2fs_io_info *fio); |
fe16efe6 | 3567 | void f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 DS |
3568 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
3569 | block_t blk_addr, struct bio *bio); | |
3570 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4d57b86d | 3571 | void f2fs_set_data_blkaddr(struct dnode_of_data *dn); |
cac5a3d8 | 3572 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); |
4d57b86d CY |
3573 | int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); |
3574 | int f2fs_reserve_new_block(struct dnode_of_data *dn); | |
cac5a3d8 DS |
3575 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); |
3576 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); | |
3577 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); | |
4d57b86d | 3578 | struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index, |
cac5a3d8 | 3579 | int op_flags, bool for_write); |
4d57b86d CY |
3580 | struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index); |
3581 | struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index, | |
cac5a3d8 | 3582 | bool for_write); |
4d57b86d | 3583 | struct page *f2fs_get_new_data_page(struct inode *inode, |
cac5a3d8 | 3584 | struct page *ipage, pgoff_t index, bool new_i_size); |
4d57b86d | 3585 | int f2fs_do_write_data_page(struct f2fs_io_info *fio); |
0ef81833 | 3586 | void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock); |
cac5a3d8 DS |
3587 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, |
3588 | int create, int flag); | |
3589 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
3590 | u64 start, u64 len); | |
4c8ff709 | 3591 | int f2fs_encrypt_one_page(struct f2fs_io_info *fio); |
4d57b86d CY |
3592 | bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); |
3593 | bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); | |
4c8ff709 CY |
3594 | int f2fs_write_single_data_page(struct page *page, int *submitted, |
3595 | struct bio **bio, sector_t *last_block, | |
3596 | struct writeback_control *wbc, | |
3597 | enum iostat_type io_type, | |
3afae09f | 3598 | int compr_blocks, bool allow_balance); |
cac5a3d8 DS |
3599 | void f2fs_invalidate_page(struct page *page, unsigned int offset, |
3600 | unsigned int length); | |
3601 | int f2fs_release_page(struct page *page, gfp_t wait); | |
5b7a487c | 3602 | #ifdef CONFIG_MIGRATION |
cac5a3d8 DS |
3603 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
3604 | struct page *page, enum migrate_mode mode); | |
5b7a487c | 3605 | #endif |
b91050a8 | 3606 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); |
5ec2d99d | 3607 | void f2fs_clear_page_cache_dirty_tag(struct page *page); |
4c8ff709 CY |
3608 | int f2fs_init_post_read_processing(void); |
3609 | void f2fs_destroy_post_read_processing(void); | |
3610 | int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi); | |
3611 | void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3612 | |
3613 | /* | |
3614 | * gc.c | |
3615 | */ | |
4d57b86d CY |
3616 | int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); |
3617 | void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); | |
3618 | block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
7dede886 | 3619 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, bool force, |
e066b83c | 3620 | unsigned int segno); |
4d57b86d | 3621 | void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); |
04f0b2ea | 3622 | int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count); |
093749e2 CY |
3623 | int __init f2fs_create_garbage_collection_cache(void); |
3624 | void f2fs_destroy_garbage_collection_cache(void); | |
39a53e0c JK |
3625 | |
3626 | /* | |
3627 | * recovery.c | |
3628 | */ | |
4d57b86d CY |
3629 | int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
3630 | bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi); | |
cad83c96 CY |
3631 | int __init f2fs_create_recovery_cache(void); |
3632 | void f2fs_destroy_recovery_cache(void); | |
39a53e0c JK |
3633 | |
3634 | /* | |
3635 | * debug.c | |
3636 | */ | |
3637 | #ifdef CONFIG_F2FS_STAT_FS | |
3638 | struct f2fs_stat_info { | |
3639 | struct list_head stat_list; | |
3640 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
3641 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
3642 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
3643 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
3644 | unsigned long long hit_total, total_ext; | |
c00ba554 | 3645 | int ext_tree, zombie_tree, ext_node; |
2c8a4a28 JK |
3646 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
3647 | int ndirty_data, ndirty_qdata; | |
35782b23 | 3648 | int inmem_pages; |
2c8a4a28 | 3649 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
5b0ef73c JK |
3650 | int nats, dirty_nats, sits, dirty_sits; |
3651 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 3652 | int total_count, utilization; |
8b8dd65f | 3653 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
5f9abab4 | 3654 | int nr_rd_data, nr_rd_node, nr_rd_meta; |
02b16d0a | 3655 | int nr_dio_read, nr_dio_write; |
274bd9ba | 3656 | unsigned int io_skip_bggc, other_skip_bggc; |
14d8d5f7 CY |
3657 | int nr_flushing, nr_flushed, flush_list_empty; |
3658 | int nr_discarding, nr_discarded; | |
5f32366a | 3659 | int nr_discard_cmd; |
d84d1cbd | 3660 | unsigned int undiscard_blks; |
261eeb9c DJ |
3661 | int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt; |
3662 | unsigned int cur_ckpt_time, peak_ckpt_time; | |
a00861db | 3663 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
ae999bb9 DJ |
3664 | int compr_inode; |
3665 | unsigned long long compr_blocks; | |
648d50ba | 3666 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; |
f83a2584 | 3667 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
3668 | unsigned int bimodal, avg_vblocks; |
3669 | int util_free, util_valid, util_invalid; | |
3670 | int rsvd_segs, overp_segs; | |
3671 | int dirty_count, node_pages, meta_pages; | |
42190d2a | 3672 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 3673 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 3674 | int bg_node_segs, bg_data_segs; |
39a53e0c | 3675 | int tot_blks, data_blks, node_blks; |
e1235983 | 3676 | int bg_data_blks, bg_node_blks; |
2ef79ecb | 3677 | unsigned long long skipped_atomic_files[2]; |
39a53e0c JK |
3678 | int curseg[NR_CURSEG_TYPE]; |
3679 | int cursec[NR_CURSEG_TYPE]; | |
3680 | int curzone[NR_CURSEG_TYPE]; | |
0759e2c1 CY |
3681 | unsigned int dirty_seg[NR_CURSEG_TYPE]; |
3682 | unsigned int full_seg[NR_CURSEG_TYPE]; | |
3683 | unsigned int valid_blks[NR_CURSEG_TYPE]; | |
39a53e0c | 3684 | |
b63e7be5 | 3685 | unsigned int meta_count[META_MAX]; |
39a53e0c JK |
3686 | unsigned int segment_count[2]; |
3687 | unsigned int block_count[2]; | |
b9a2c252 | 3688 | unsigned int inplace_count; |
9edcdabf | 3689 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
3690 | }; |
3691 | ||
963d4f7d GZ |
3692 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
3693 | { | |
6c311ec6 | 3694 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
3695 | } |
3696 | ||
942e0be6 | 3697 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 3698 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 | 3699 | #define stat_inc_call_count(si) ((si)->call_count++) |
fc7100ea | 3700 | #define stat_inc_bggc_count(si) ((si)->bg_gc++) |
274bd9ba CY |
3701 | #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++) |
3702 | #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++) | |
33fbd510 CY |
3703 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
3704 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
3705 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
3706 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
3707 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
3708 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
3709 | #define stat_inc_inline_xattr(inode) \ |
3710 | do { \ | |
3711 | if (f2fs_has_inline_xattr(inode)) \ | |
3712 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3713 | } while (0) | |
3714 | #define stat_dec_inline_xattr(inode) \ | |
3715 | do { \ | |
3716 | if (f2fs_has_inline_xattr(inode)) \ | |
3717 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3718 | } while (0) | |
0dbdc2ae JK |
3719 | #define stat_inc_inline_inode(inode) \ |
3720 | do { \ | |
3721 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3722 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
3723 | } while (0) |
3724 | #define stat_dec_inline_inode(inode) \ | |
3725 | do { \ | |
3726 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3727 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 3728 | } while (0) |
3289c061 JK |
3729 | #define stat_inc_inline_dir(inode) \ |
3730 | do { \ | |
3731 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3732 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
3733 | } while (0) |
3734 | #define stat_dec_inline_dir(inode) \ | |
3735 | do { \ | |
3736 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3737 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 3738 | } while (0) |
4c8ff709 CY |
3739 | #define stat_inc_compr_inode(inode) \ |
3740 | do { \ | |
3741 | if (f2fs_compressed_file(inode)) \ | |
3742 | (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \ | |
3743 | } while (0) | |
3744 | #define stat_dec_compr_inode(inode) \ | |
3745 | do { \ | |
3746 | if (f2fs_compressed_file(inode)) \ | |
3747 | (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \ | |
3748 | } while (0) | |
3749 | #define stat_add_compr_blocks(inode, blocks) \ | |
ae999bb9 | 3750 | (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks)) |
4c8ff709 | 3751 | #define stat_sub_compr_blocks(inode, blocks) \ |
ae999bb9 | 3752 | (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks)) |
b63e7be5 CY |
3753 | #define stat_inc_meta_count(sbi, blkaddr) \ |
3754 | do { \ | |
3755 | if (blkaddr < SIT_I(sbi)->sit_base_addr) \ | |
3756 | atomic_inc(&(sbi)->meta_count[META_CP]); \ | |
3757 | else if (blkaddr < NM_I(sbi)->nat_blkaddr) \ | |
3758 | atomic_inc(&(sbi)->meta_count[META_SIT]); \ | |
3759 | else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \ | |
3760 | atomic_inc(&(sbi)->meta_count[META_NAT]); \ | |
3761 | else if (blkaddr < SM_I(sbi)->main_blkaddr) \ | |
3762 | atomic_inc(&(sbi)->meta_count[META_SSA]); \ | |
3763 | } while (0) | |
dcdfff65 JK |
3764 | #define stat_inc_seg_type(sbi, curseg) \ |
3765 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
3766 | #define stat_inc_block_count(sbi, curseg) \ | |
3767 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
3768 | #define stat_inc_inplace_blocks(sbi) \ |
3769 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c JK |
3770 | #define stat_update_max_atomic_write(inode) \ |
3771 | do { \ | |
0e6d0164 | 3772 | int cur = F2FS_I_SB(inode)->atomic_files; \ |
26a28a0c JK |
3773 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ |
3774 | if (cur > max) \ | |
3775 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
3776 | } while (0) | |
648d50ba CY |
3777 | #define stat_inc_volatile_write(inode) \ |
3778 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) | |
3779 | #define stat_dec_volatile_write(inode) \ | |
3780 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) | |
3781 | #define stat_update_max_volatile_write(inode) \ | |
3782 | do { \ | |
3783 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ | |
3784 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ | |
3785 | if (cur > max) \ | |
3786 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ | |
3787 | } while (0) | |
e1235983 | 3788 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 3789 | do { \ |
963d4f7d | 3790 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
3791 | si->tot_segs++; \ |
3792 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 3793 | si->data_segs++; \ |
e1235983 CL |
3794 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3795 | } else { \ | |
39a53e0c | 3796 | si->node_segs++; \ |
e1235983 CL |
3797 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3798 | } \ | |
39a53e0c JK |
3799 | } while (0) |
3800 | ||
3801 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 3802 | ((si)->tot_blks += (blks)) |
39a53e0c | 3803 | |
e1235983 | 3804 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3805 | do { \ |
963d4f7d | 3806 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3807 | stat_inc_tot_blk_count(si, blks); \ |
3808 | si->data_blks += (blks); \ | |
68afcf2d | 3809 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3810 | } while (0) |
3811 | ||
e1235983 | 3812 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3813 | do { \ |
963d4f7d | 3814 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3815 | stat_inc_tot_blk_count(si, blks); \ |
3816 | si->node_blks += (blks); \ | |
68afcf2d | 3817 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3818 | } while (0) |
3819 | ||
cac5a3d8 DS |
3820 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
3821 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
21acc07d | 3822 | void __init f2fs_create_root_stats(void); |
4589d25d | 3823 | void f2fs_destroy_root_stats(void); |
fc7100ea | 3824 | void f2fs_update_sit_info(struct f2fs_sb_info *sbi); |
39a53e0c | 3825 | #else |
d66450e7 AB |
3826 | #define stat_inc_cp_count(si) do { } while (0) |
3827 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
3828 | #define stat_inc_call_count(si) do { } while (0) | |
3829 | #define stat_inc_bggc_count(si) do { } while (0) | |
274bd9ba CY |
3830 | #define stat_io_skip_bggc_count(sbi) do { } while (0) |
3831 | #define stat_other_skip_bggc_count(sbi) do { } while (0) | |
d66450e7 AB |
3832 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) |
3833 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
fc7100ea HV |
3834 | #define stat_inc_total_hit(sbi) do { } while (0) |
3835 | #define stat_inc_rbtree_node_hit(sbi) do { } while (0) | |
d66450e7 AB |
3836 | #define stat_inc_largest_node_hit(sbi) do { } while (0) |
3837 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
3838 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
3839 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
3840 | #define stat_inc_inline_inode(inode) do { } while (0) | |
3841 | #define stat_dec_inline_inode(inode) do { } while (0) | |
3842 | #define stat_inc_inline_dir(inode) do { } while (0) | |
3843 | #define stat_dec_inline_dir(inode) do { } while (0) | |
4c8ff709 CY |
3844 | #define stat_inc_compr_inode(inode) do { } while (0) |
3845 | #define stat_dec_compr_inode(inode) do { } while (0) | |
3846 | #define stat_add_compr_blocks(inode, blocks) do { } while (0) | |
3847 | #define stat_sub_compr_blocks(inode, blocks) do { } while (0) | |
d66450e7 AB |
3848 | #define stat_update_max_atomic_write(inode) do { } while (0) |
3849 | #define stat_inc_volatile_write(inode) do { } while (0) | |
3850 | #define stat_dec_volatile_write(inode) do { } while (0) | |
3851 | #define stat_update_max_volatile_write(inode) do { } while (0) | |
b63e7be5 | 3852 | #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) |
d66450e7 AB |
3853 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) |
3854 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
3855 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
3856 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
3857 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
3858 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
3859 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
3860 | |
3861 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
3862 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
21acc07d | 3863 | static inline void __init f2fs_create_root_stats(void) { } |
4589d25d | 3864 | static inline void f2fs_destroy_root_stats(void) { } |
48abe91a | 3865 | static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {} |
39a53e0c JK |
3866 | #endif |
3867 | ||
3868 | extern const struct file_operations f2fs_dir_operations; | |
3869 | extern const struct file_operations f2fs_file_operations; | |
3870 | extern const struct inode_operations f2fs_file_inode_operations; | |
3871 | extern const struct address_space_operations f2fs_dblock_aops; | |
3872 | extern const struct address_space_operations f2fs_node_aops; | |
3873 | extern const struct address_space_operations f2fs_meta_aops; | |
3874 | extern const struct inode_operations f2fs_dir_inode_operations; | |
3875 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 3876 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 3877 | extern const struct inode_operations f2fs_special_inode_operations; |
4d57b86d | 3878 | extern struct kmem_cache *f2fs_inode_entry_slab; |
1001b347 | 3879 | |
e18c65b2 HL |
3880 | /* |
3881 | * inline.c | |
3882 | */ | |
cac5a3d8 DS |
3883 | bool f2fs_may_inline_data(struct inode *inode); |
3884 | bool f2fs_may_inline_dentry(struct inode *inode); | |
4d57b86d CY |
3885 | void f2fs_do_read_inline_data(struct page *page, struct page *ipage); |
3886 | void f2fs_truncate_inline_inode(struct inode *inode, | |
3887 | struct page *ipage, u64 from); | |
cac5a3d8 DS |
3888 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
3889 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
3890 | int f2fs_convert_inline_inode(struct inode *inode); | |
b06af2af | 3891 | int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry); |
cac5a3d8 | 3892 | int f2fs_write_inline_data(struct inode *inode, struct page *page); |
9627a7b3 | 3893 | int f2fs_recover_inline_data(struct inode *inode, struct page *npage); |
4d57b86d | 3894 | struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, |
43c780ba EB |
3895 | const struct f2fs_filename *fname, |
3896 | struct page **res_page); | |
4d57b86d | 3897 | int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 3898 | struct page *ipage); |
43c780ba | 3899 | int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname, |
cac5a3d8 | 3900 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d CY |
3901 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, |
3902 | struct page *page, struct inode *dir, | |
3903 | struct inode *inode); | |
cac5a3d8 DS |
3904 | bool f2fs_empty_inline_dir(struct inode *dir); |
3905 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
3906 | struct fscrypt_str *fstr); | |
3907 | int f2fs_inline_data_fiemap(struct inode *inode, | |
3908 | struct fiemap_extent_info *fieinfo, | |
3909 | __u64 start, __u64 len); | |
cde4de12 | 3910 | |
2658e50d JK |
3911 | /* |
3912 | * shrinker.c | |
3913 | */ | |
cac5a3d8 DS |
3914 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
3915 | struct shrink_control *sc); | |
3916 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
3917 | struct shrink_control *sc); | |
3918 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
3919 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 3920 | |
a28ef1f5 CY |
3921 | /* |
3922 | * extent_cache.c | |
3923 | */ | |
4dada3fd | 3924 | struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root, |
004b6862 | 3925 | struct rb_entry *cached_re, unsigned int ofs); |
2e9b2bb2 CY |
3926 | struct rb_node **f2fs_lookup_rb_tree_ext(struct f2fs_sb_info *sbi, |
3927 | struct rb_root_cached *root, | |
3928 | struct rb_node **parent, | |
3929 | unsigned long long key, bool *left_most); | |
4d57b86d | 3930 | struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, |
4dada3fd CY |
3931 | struct rb_root_cached *root, |
3932 | struct rb_node **parent, | |
3933 | unsigned int ofs, bool *leftmost); | |
3934 | struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root, | |
004b6862 CY |
3935 | struct rb_entry *cached_re, unsigned int ofs, |
3936 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
3937 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
4dada3fd | 3938 | bool force, bool *leftmost); |
4d57b86d | 3939 | bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
2e9b2bb2 | 3940 | struct rb_root_cached *root, bool check_key); |
cac5a3d8 | 3941 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
a6d601f3 | 3942 | void f2fs_init_extent_tree(struct inode *inode, struct page *ipage); |
cac5a3d8 DS |
3943 | void f2fs_drop_extent_tree(struct inode *inode); |
3944 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
3945 | void f2fs_destroy_extent_tree(struct inode *inode); | |
3946 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
3947 | struct extent_info *ei); | |
3948 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 3949 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
cac5a3d8 | 3950 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
4d57b86d CY |
3951 | void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); |
3952 | int __init f2fs_create_extent_cache(void); | |
3953 | void f2fs_destroy_extent_cache(void); | |
a28ef1f5 | 3954 | |
8ceffcb2 CY |
3955 | /* |
3956 | * sysfs.c | |
3957 | */ | |
dc6b2055 JK |
3958 | int __init f2fs_init_sysfs(void); |
3959 | void f2fs_exit_sysfs(void); | |
3960 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
3961 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 3962 | |
95ae251f EB |
3963 | /* verity.c */ |
3964 | extern const struct fsverity_operations f2fs_verityops; | |
3965 | ||
cde4de12 JK |
3966 | /* |
3967 | * crypto support | |
3968 | */ | |
1958593e JK |
3969 | static inline bool f2fs_encrypted_file(struct inode *inode) |
3970 | { | |
62230e0d | 3971 | return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode); |
1958593e JK |
3972 | } |
3973 | ||
cde4de12 JK |
3974 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
3975 | { | |
643fa961 | 3976 | #ifdef CONFIG_FS_ENCRYPTION |
cde4de12 | 3977 | file_set_encrypt(inode); |
9149a5eb | 3978 | f2fs_set_inode_flags(inode); |
cde4de12 JK |
3979 | #endif |
3980 | } | |
3981 | ||
6dbb1796 EB |
3982 | /* |
3983 | * Returns true if the reads of the inode's data need to undergo some | |
3984 | * postprocessing step, like decryption or authenticity verification. | |
3985 | */ | |
3986 | static inline bool f2fs_post_read_required(struct inode *inode) | |
cde4de12 | 3987 | { |
4c8ff709 CY |
3988 | return f2fs_encrypted_file(inode) || fsverity_active(inode) || |
3989 | f2fs_compressed_file(inode); | |
3990 | } | |
3991 | ||
3992 | /* | |
3993 | * compress.c | |
3994 | */ | |
3995 | #ifdef CONFIG_F2FS_FS_COMPRESSION | |
3996 | bool f2fs_is_compressed_page(struct page *page); | |
3997 | struct page *f2fs_compress_control_page(struct page *page); | |
3998 | int f2fs_prepare_compress_overwrite(struct inode *inode, | |
3999 | struct page **pagep, pgoff_t index, void **fsdata); | |
4000 | bool f2fs_compress_write_end(struct inode *inode, void *fsdata, | |
4001 | pgoff_t index, unsigned copied); | |
3265d3db | 4002 | int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock); |
4c8ff709 CY |
4003 | void f2fs_compress_write_end_io(struct bio *bio, struct page *page); |
4004 | bool f2fs_is_compress_backend_ready(struct inode *inode); | |
5e6bbde9 CY |
4005 | int f2fs_init_compress_mempool(void); |
4006 | void f2fs_destroy_compress_mempool(void); | |
7f59b277 | 4007 | void f2fs_end_read_compressed_page(struct page *page, bool failed); |
4c8ff709 CY |
4008 | bool f2fs_cluster_is_empty(struct compress_ctx *cc); |
4009 | bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); | |
4010 | void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); | |
4011 | int f2fs_write_multi_pages(struct compress_ctx *cc, | |
4012 | int *submitted, | |
4013 | struct writeback_control *wbc, | |
4014 | enum iostat_type io_type); | |
4015 | int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index); | |
4016 | int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, | |
4017 | unsigned nr_pages, sector_t *last_block_in_bio, | |
0683728a | 4018 | bool is_readahead, bool for_write); |
4c8ff709 | 4019 | struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc); |
7f59b277 EB |
4020 | void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed); |
4021 | void f2fs_put_page_dic(struct page *page); | |
4c8ff709 | 4022 | int f2fs_init_compress_ctx(struct compress_ctx *cc); |
8bfbfb0d | 4023 | void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse); |
4c8ff709 | 4024 | void f2fs_init_compress_info(struct f2fs_sb_info *sbi); |
31083031 CY |
4025 | int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi); |
4026 | void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi); | |
c68d6c88 CY |
4027 | int __init f2fs_init_compress_cache(void); |
4028 | void f2fs_destroy_compress_cache(void); | |
5ac443e2 DJ |
4029 | #define inc_compr_inode_stat(inode) \ |
4030 | do { \ | |
4031 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ | |
4032 | sbi->compr_new_inode++; \ | |
4033 | } while (0) | |
4034 | #define add_compr_block_stat(inode, blocks) \ | |
4035 | do { \ | |
4036 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \ | |
4037 | int diff = F2FS_I(inode)->i_cluster_size - blocks; \ | |
4038 | sbi->compr_written_block += blocks; \ | |
4039 | sbi->compr_saved_block += diff; \ | |
4040 | } while (0) | |
4c8ff709 CY |
4041 | #else |
4042 | static inline bool f2fs_is_compressed_page(struct page *page) { return false; } | |
4043 | static inline bool f2fs_is_compress_backend_ready(struct inode *inode) | |
4044 | { | |
4045 | if (!f2fs_compressed_file(inode)) | |
4046 | return true; | |
4047 | /* not support compression */ | |
4048 | return false; | |
4049 | } | |
4050 | static inline struct page *f2fs_compress_control_page(struct page *page) | |
4051 | { | |
4052 | WARN_ON_ONCE(1); | |
4053 | return ERR_PTR(-EINVAL); | |
4054 | } | |
5e6bbde9 CY |
4055 | static inline int f2fs_init_compress_mempool(void) { return 0; } |
4056 | static inline void f2fs_destroy_compress_mempool(void) { } | |
7f59b277 EB |
4057 | static inline void f2fs_end_read_compressed_page(struct page *page, bool failed) |
4058 | { | |
4059 | WARN_ON_ONCE(1); | |
4060 | } | |
4061 | static inline void f2fs_put_page_dic(struct page *page) | |
4062 | { | |
4063 | WARN_ON_ONCE(1); | |
4064 | } | |
31083031 CY |
4065 | static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; } |
4066 | static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { } | |
c68d6c88 CY |
4067 | static inline int __init f2fs_init_compress_cache(void) { return 0; } |
4068 | static inline void f2fs_destroy_compress_cache(void) { } | |
5ac443e2 | 4069 | #define inc_compr_inode_stat(inode) do { } while (0) |
4c8ff709 CY |
4070 | #endif |
4071 | ||
4072 | static inline void set_compress_context(struct inode *inode) | |
4073 | { | |
4074 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
4075 | ||
4076 | F2FS_I(inode)->i_compress_algorithm = | |
4077 | F2FS_OPTION(sbi).compress_algorithm; | |
4078 | F2FS_I(inode)->i_log_cluster_size = | |
4079 | F2FS_OPTION(sbi).compress_log_size; | |
b28f047b CY |
4080 | F2FS_I(inode)->i_compress_flag = |
4081 | F2FS_OPTION(sbi).compress_chksum ? | |
4082 | 1 << COMPRESS_CHKSUM : 0; | |
4c8ff709 CY |
4083 | F2FS_I(inode)->i_cluster_size = |
4084 | 1 << F2FS_I(inode)->i_log_cluster_size; | |
3fde13f8 CY |
4085 | if (F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 && |
4086 | F2FS_OPTION(sbi).compress_level) | |
4087 | F2FS_I(inode)->i_compress_flag |= | |
4088 | F2FS_OPTION(sbi).compress_level << | |
4089 | COMPRESS_LEVEL_OFFSET; | |
4c8ff709 CY |
4090 | F2FS_I(inode)->i_flags |= F2FS_COMPR_FL; |
4091 | set_inode_flag(inode, FI_COMPRESSED_FILE); | |
4092 | stat_inc_compr_inode(inode); | |
5ac443e2 | 4093 | inc_compr_inode_stat(inode); |
530e0704 | 4094 | f2fs_mark_inode_dirty_sync(inode, true); |
4c8ff709 CY |
4095 | } |
4096 | ||
78134d03 | 4097 | static inline bool f2fs_disable_compressed_file(struct inode *inode) |
4c8ff709 CY |
4098 | { |
4099 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
4100 | ||
4101 | if (!f2fs_compressed_file(inode)) | |
78134d03 DJ |
4102 | return true; |
4103 | if (S_ISREG(inode->i_mode) && | |
4104 | (get_dirty_pages(inode) || atomic_read(&fi->i_compr_blocks))) | |
4105 | return false; | |
4c8ff709 CY |
4106 | |
4107 | fi->i_flags &= ~F2FS_COMPR_FL; | |
4c8ff709 | 4108 | stat_dec_compr_inode(inode); |
96f5b4fa | 4109 | clear_inode_flag(inode, FI_COMPRESSED_FILE); |
530e0704 | 4110 | f2fs_mark_inode_dirty_sync(inode, true); |
78134d03 | 4111 | return true; |
cde4de12 JK |
4112 | } |
4113 | ||
ccd31cb2 | 4114 | #define F2FS_FEATURE_FUNCS(name, flagname) \ |
7beb01f7 | 4115 | static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \ |
ccd31cb2 | 4116 | { \ |
7beb01f7 | 4117 | return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \ |
52763a4b JK |
4118 | } |
4119 | ||
ccd31cb2 SY |
4120 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); |
4121 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); | |
4122 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); | |
4123 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); | |
4124 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); | |
4125 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); | |
4126 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); | |
4127 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); | |
b7c409de | 4128 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); |
95ae251f | 4129 | F2FS_FEATURE_FUNCS(verity, VERITY); |
d440c52d | 4130 | F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM); |
5aba5430 | 4131 | F2FS_FEATURE_FUNCS(casefold, CASEFOLD); |
4c8ff709 | 4132 | F2FS_FEATURE_FUNCS(compression, COMPRESSION); |
a7d9fe3c | 4133 | F2FS_FEATURE_FUNCS(readonly, RO); |
1c1d35df | 4134 | |
178053e2 | 4135 | #ifdef CONFIG_BLK_DEV_ZONED |
95175daf DLM |
4136 | static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi, |
4137 | block_t blkaddr) | |
178053e2 DLM |
4138 | { |
4139 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
4140 | ||
95175daf | 4141 | return test_bit(zno, FDEV(devi).blkz_seq); |
178053e2 DLM |
4142 | } |
4143 | #endif | |
4144 | ||
7d20c8ab | 4145 | static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi) |
52763a4b | 4146 | { |
7beb01f7 | 4147 | return f2fs_sb_has_blkzoned(sbi); |
7d20c8ab | 4148 | } |
96ba2dec | 4149 | |
7f3d7719 DLM |
4150 | static inline bool f2fs_bdev_support_discard(struct block_device *bdev) |
4151 | { | |
4152 | return blk_queue_discard(bdev_get_queue(bdev)) || | |
4153 | bdev_is_zoned(bdev); | |
4154 | } | |
4155 | ||
7d20c8ab CY |
4156 | static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi) |
4157 | { | |
7f3d7719 DLM |
4158 | int i; |
4159 | ||
4160 | if (!f2fs_is_multi_device(sbi)) | |
4161 | return f2fs_bdev_support_discard(sbi->sb->s_bdev); | |
4162 | ||
4163 | for (i = 0; i < sbi->s_ndevs; i++) | |
4164 | if (f2fs_bdev_support_discard(FDEV(i).bdev)) | |
4165 | return true; | |
4166 | return false; | |
7d20c8ab CY |
4167 | } |
4168 | ||
4169 | static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi) | |
4170 | { | |
4171 | return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || | |
4172 | f2fs_hw_should_discard(sbi); | |
52763a4b JK |
4173 | } |
4174 | ||
f824deb5 CY |
4175 | static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi) |
4176 | { | |
4177 | int i; | |
4178 | ||
4179 | if (!f2fs_is_multi_device(sbi)) | |
4180 | return bdev_read_only(sbi->sb->s_bdev); | |
4181 | ||
4182 | for (i = 0; i < sbi->s_ndevs; i++) | |
4183 | if (bdev_read_only(FDEV(i).bdev)) | |
4184 | return true; | |
4185 | return false; | |
4186 | } | |
4187 | ||
b0332a0f | 4188 | static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi) |
52763a4b | 4189 | { |
b0332a0f | 4190 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS; |
52763a4b JK |
4191 | } |
4192 | ||
4c8ff709 CY |
4193 | static inline bool f2fs_may_compress(struct inode *inode) |
4194 | { | |
4195 | if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) || | |
4196 | f2fs_is_atomic_file(inode) || | |
4197 | f2fs_is_volatile_file(inode)) | |
4198 | return false; | |
4199 | return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode); | |
4200 | } | |
4201 | ||
4202 | static inline void f2fs_i_compr_blocks_update(struct inode *inode, | |
4203 | u64 blocks, bool add) | |
4204 | { | |
4205 | int diff = F2FS_I(inode)->i_cluster_size - blocks; | |
c2759eba | 4206 | struct f2fs_inode_info *fi = F2FS_I(inode); |
4c8ff709 | 4207 | |
ef8d563f | 4208 | /* don't update i_compr_blocks if saved blocks were released */ |
c2759eba | 4209 | if (!add && !atomic_read(&fi->i_compr_blocks)) |
ef8d563f CY |
4210 | return; |
4211 | ||
4c8ff709 | 4212 | if (add) { |
c2759eba | 4213 | atomic_add(diff, &fi->i_compr_blocks); |
4c8ff709 CY |
4214 | stat_add_compr_blocks(inode, diff); |
4215 | } else { | |
c2759eba | 4216 | atomic_sub(diff, &fi->i_compr_blocks); |
4c8ff709 CY |
4217 | stat_sub_compr_blocks(inode, diff); |
4218 | } | |
4219 | f2fs_mark_inode_dirty_sync(inode, true); | |
4220 | } | |
4221 | ||
f847c699 CY |
4222 | static inline int block_unaligned_IO(struct inode *inode, |
4223 | struct kiocb *iocb, struct iov_iter *iter) | |
b91050a8 | 4224 | { |
f847c699 CY |
4225 | unsigned int i_blkbits = READ_ONCE(inode->i_blkbits); |
4226 | unsigned int blocksize_mask = (1 << i_blkbits) - 1; | |
4227 | loff_t offset = iocb->ki_pos; | |
4228 | unsigned long align = offset | iov_iter_alignment(iter); | |
4229 | ||
4230 | return align & blocksize_mask; | |
4231 | } | |
4232 | ||
4233 | static inline int allow_outplace_dio(struct inode *inode, | |
4234 | struct kiocb *iocb, struct iov_iter *iter) | |
4235 | { | |
4236 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
4237 | int rw = iov_iter_rw(iter); | |
4238 | ||
b0332a0f | 4239 | return (f2fs_lfs_mode(sbi) && (rw == WRITE) && |
f847c699 CY |
4240 | !block_unaligned_IO(inode, iocb, iter)); |
4241 | } | |
4242 | ||
4243 | static inline bool f2fs_force_buffered_io(struct inode *inode, | |
4244 | struct kiocb *iocb, struct iov_iter *iter) | |
4245 | { | |
4246 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
4247 | int rw = iov_iter_rw(iter); | |
4248 | ||
4249 | if (f2fs_post_read_required(inode)) | |
4250 | return true; | |
0916878d | 4251 | if (f2fs_is_multi_device(sbi)) |
f847c699 CY |
4252 | return true; |
4253 | /* | |
4254 | * for blkzoned device, fallback direct IO to buffered IO, so | |
4255 | * all IOs can be serialized by log-structured write. | |
4256 | */ | |
7beb01f7 | 4257 | if (f2fs_sb_has_blkzoned(sbi)) |
f847c699 | 4258 | return true; |
b0332a0f | 4259 | if (f2fs_lfs_mode(sbi) && (rw == WRITE)) { |
9720ee80 CY |
4260 | if (block_unaligned_IO(inode, iocb, iter)) |
4261 | return true; | |
4262 | if (F2FS_IO_ALIGNED(sbi)) | |
4263 | return true; | |
4264 | } | |
ebc29b62 | 4265 | if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED)) |
4354994f DR |
4266 | return true; |
4267 | ||
f847c699 | 4268 | return false; |
b91050a8 HL |
4269 | } |
4270 | ||
7f59b277 EB |
4271 | static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx) |
4272 | { | |
4273 | return fsverity_active(inode) && | |
4274 | idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE); | |
4275 | } | |
4276 | ||
83a3bfdb | 4277 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
4278 | extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
4279 | unsigned int type); | |
83a3bfdb | 4280 | #else |
d494500a | 4281 | #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0) |
83a3bfdb JK |
4282 | #endif |
4283 | ||
af033b2a CY |
4284 | static inline bool is_journalled_quota(struct f2fs_sb_info *sbi) |
4285 | { | |
4286 | #ifdef CONFIG_QUOTA | |
7beb01f7 | 4287 | if (f2fs_sb_has_quota_ino(sbi)) |
af033b2a CY |
4288 | return true; |
4289 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || | |
4290 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
4291 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4292 | return true; | |
4293 | #endif | |
4294 | return false; | |
4295 | } | |
0af725fc | 4296 | |
10f966bb CY |
4297 | #define EFSBADCRC EBADMSG /* Bad CRC detected */ |
4298 | #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ | |
4299 | ||
e1074d4b | 4300 | #endif /* _LINUX_F2FS_H */ |