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7c1a000d | 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> |
43b6573b | 25 | #include <crypto/hash.h> |
39a53e0c | 26 | |
734f0d24 | 27 | #include <linux/fscrypt.h> |
95ae251f | 28 | #include <linux/fsverity.h> |
734f0d24 | 29 | |
5d56b671 | 30 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 31 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 32 | #else |
9850cf4a JK |
33 | #define f2fs_bug_on(sbi, condition) \ |
34 | do { \ | |
35 | if (unlikely(condition)) { \ | |
36 | WARN_ON(1); \ | |
caf0047e | 37 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a JK |
38 | } \ |
39 | } while (0) | |
5d56b671 JK |
40 | #endif |
41 | ||
2c63fead JK |
42 | enum { |
43 | FAULT_KMALLOC, | |
628b3d14 | 44 | FAULT_KVMALLOC, |
c41f3cc3 | 45 | FAULT_PAGE_ALLOC, |
01eccef7 | 46 | FAULT_PAGE_GET, |
d62fe971 | 47 | FAULT_ALLOC_BIO, |
cb78942b JK |
48 | FAULT_ALLOC_NID, |
49 | FAULT_ORPHAN, | |
50 | FAULT_BLOCK, | |
51 | FAULT_DIR_DEPTH, | |
53aa6bbf | 52 | FAULT_EVICT_INODE, |
14b44d23 | 53 | FAULT_TRUNCATE, |
6f5c2ed0 | 54 | FAULT_READ_IO, |
0f348028 | 55 | FAULT_CHECKPOINT, |
b83dcfe6 | 56 | FAULT_DISCARD, |
6f5c2ed0 | 57 | FAULT_WRITE_IO, |
2c63fead JK |
58 | FAULT_MAX, |
59 | }; | |
60 | ||
7fa750a1 | 61 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
62 | #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1) |
63 | ||
08796897 SY |
64 | struct f2fs_fault_info { |
65 | atomic_t inject_ops; | |
66 | unsigned int inject_rate; | |
67 | unsigned int inject_type; | |
68 | }; | |
69 | ||
19880e6e | 70 | extern const char *f2fs_fault_name[FAULT_MAX]; |
68afcf2d | 71 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
2c63fead JK |
72 | #endif |
73 | ||
39a53e0c JK |
74 | /* |
75 | * For mount options | |
76 | */ | |
39a53e0c JK |
77 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 |
78 | #define F2FS_MOUNT_DISCARD 0x00000004 | |
79 | #define F2FS_MOUNT_NOHEAP 0x00000008 | |
80 | #define F2FS_MOUNT_XATTR_USER 0x00000010 | |
81 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 | |
82 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 | |
444c580f | 83 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
1001b347 | 84 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
34d67deb CY |
85 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
86 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 | |
87 | #define F2FS_MOUNT_NOBARRIER 0x00000800 | |
d5053a34 | 88 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
89672159 | 89 | #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 |
343f40f0 | 90 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
73faec4d | 91 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
0abd675e CY |
92 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
93 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
5c57132e | 94 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
4b2414d0 | 95 | #define F2FS_MOUNT_QUOTA 0x00400000 |
6afc662e | 96 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
7e65be49 | 97 | #define F2FS_MOUNT_RESERVE_ROOT 0x01000000 |
4354994f | 98 | #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000 |
a9117eca | 99 | #define F2FS_MOUNT_NORECOVERY 0x04000000 |
39a53e0c | 100 | |
63189b78 CY |
101 | #define F2FS_OPTION(sbi) ((sbi)->mount_opt) |
102 | #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option) | |
103 | #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option) | |
104 | #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
105 | |
106 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
107 | typecheck(unsigned long long, b) && \ | |
108 | ((long long)((a) - (b)) > 0)) | |
109 | ||
a9841c4d JK |
110 | typedef u32 block_t; /* |
111 | * should not change u32, since it is the on-disk block | |
112 | * address format, __le32. | |
113 | */ | |
39a53e0c JK |
114 | typedef u32 nid_t; |
115 | ||
4c8ff709 CY |
116 | #define COMPRESS_EXT_NUM 16 |
117 | ||
39a53e0c | 118 | struct f2fs_mount_info { |
63189b78 CY |
119 | unsigned int opt; |
120 | int write_io_size_bits; /* Write IO size bits */ | |
121 | block_t root_reserved_blocks; /* root reserved blocks */ | |
122 | kuid_t s_resuid; /* reserved blocks for uid */ | |
123 | kgid_t s_resgid; /* reserved blocks for gid */ | |
124 | int active_logs; /* # of active logs */ | |
125 | int inline_xattr_size; /* inline xattr size */ | |
126 | #ifdef CONFIG_F2FS_FAULT_INJECTION | |
127 | struct f2fs_fault_info fault_info; /* For fault injection */ | |
128 | #endif | |
129 | #ifdef CONFIG_QUOTA | |
130 | /* Names of quota files with journalled quota */ | |
131 | char *s_qf_names[MAXQUOTAS]; | |
132 | int s_jquota_fmt; /* Format of quota to use */ | |
133 | #endif | |
134 | /* For which write hints are passed down to block layer */ | |
135 | int whint_mode; | |
136 | int alloc_mode; /* segment allocation policy */ | |
137 | int fsync_mode; /* fsync policy */ | |
b0332a0f | 138 | int fs_mode; /* fs mode: LFS or ADAPTIVE */ |
bbbc34fd | 139 | int bggc_mode; /* bggc mode: off, on or sync */ |
ff62af20 | 140 | bool test_dummy_encryption; /* test dummy encryption */ |
4d3aed70 DR |
141 | block_t unusable_cap; /* Amount of space allowed to be |
142 | * unusable when disabling checkpoint | |
143 | */ | |
4c8ff709 CY |
144 | |
145 | /* For compression */ | |
146 | unsigned char compress_algorithm; /* algorithm type */ | |
147 | unsigned compress_log_size; /* cluster log size */ | |
148 | unsigned char compress_ext_cnt; /* extension count */ | |
149 | unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */ | |
39a53e0c JK |
150 | }; |
151 | ||
7a2af766 CY |
152 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
153 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
154 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
155 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
5c57132e | 156 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
704956ec | 157 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
6afc662e | 158 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
234a9689 | 159 | #define F2FS_FEATURE_QUOTA_INO 0x0080 |
1c1d35df | 160 | #define F2FS_FEATURE_INODE_CRTIME 0x0100 |
b7c409de | 161 | #define F2FS_FEATURE_LOST_FOUND 0x0200 |
95ae251f | 162 | #define F2FS_FEATURE_VERITY 0x0400 |
d440c52d | 163 | #define F2FS_FEATURE_SB_CHKSUM 0x0800 |
5aba5430 | 164 | #define F2FS_FEATURE_CASEFOLD 0x1000 |
4c8ff709 | 165 | #define F2FS_FEATURE_COMPRESSION 0x2000 |
cde4de12 | 166 | |
7beb01f7 CY |
167 | #define __F2FS_HAS_FEATURE(raw_super, mask) \ |
168 | ((raw_super->feature & cpu_to_le32(mask)) != 0) | |
169 | #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask) | |
170 | #define F2FS_SET_FEATURE(sbi, mask) \ | |
171 | (sbi->raw_super->feature |= cpu_to_le32(mask)) | |
172 | #define F2FS_CLEAR_FEATURE(sbi, mask) \ | |
173 | (sbi->raw_super->feature &= ~cpu_to_le32(mask)) | |
76f105a2 | 174 | |
7c2e5963 JK |
175 | /* |
176 | * Default values for user and/or group using reserved blocks | |
177 | */ | |
178 | #define F2FS_DEF_RESUID 0 | |
179 | #define F2FS_DEF_RESGID 0 | |
180 | ||
39a53e0c JK |
181 | /* |
182 | * For checkpoint manager | |
183 | */ | |
184 | enum { | |
185 | NAT_BITMAP, | |
186 | SIT_BITMAP | |
187 | }; | |
188 | ||
c473f1a9 CY |
189 | #define CP_UMOUNT 0x00000001 |
190 | #define CP_FASTBOOT 0x00000002 | |
191 | #define CP_SYNC 0x00000004 | |
192 | #define CP_RECOVERY 0x00000008 | |
193 | #define CP_DISCARD 0x00000010 | |
1f43e2ad | 194 | #define CP_TRIMMED 0x00000020 |
4354994f | 195 | #define CP_PAUSE 0x00000040 |
75ab4cb8 | 196 | |
4ddb1a4d | 197 | #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi) |
ecc9aa00 | 198 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
969d1b18 | 199 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
f9d1dced | 200 | #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */ |
969d1b18 | 201 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ |
8bb4f253 | 202 | #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */ |
60b99b48 | 203 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
dcf25fe8 | 204 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
4354994f | 205 | #define DEF_DISABLE_INTERVAL 5 /* 5 secs */ |
db610a64 | 206 | #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */ |
03f2c02d | 207 | #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */ |
bba681cb | 208 | |
75ab4cb8 JK |
209 | struct cp_control { |
210 | int reason; | |
4b2fecc8 JK |
211 | __u64 trim_start; |
212 | __u64 trim_end; | |
213 | __u64 trim_minlen; | |
75ab4cb8 JK |
214 | }; |
215 | ||
662befda | 216 | /* |
e1da7872 | 217 | * indicate meta/data type |
662befda CY |
218 | */ |
219 | enum { | |
220 | META_CP, | |
221 | META_NAT, | |
81c1a0f1 | 222 | META_SIT, |
4c521f49 | 223 | META_SSA, |
b63e7be5 | 224 | META_MAX, |
4c521f49 | 225 | META_POR, |
93770ab7 CY |
226 | DATA_GENERIC, /* check range only */ |
227 | DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */ | |
228 | DATA_GENERIC_ENHANCE_READ, /* | |
229 | * strong check on range and segment | |
230 | * bitmap but no warning due to race | |
231 | * condition of read on truncated area | |
232 | * by extent_cache | |
233 | */ | |
e1da7872 | 234 | META_GENERIC, |
662befda CY |
235 | }; |
236 | ||
6451e041 JK |
237 | /* for the list of ino */ |
238 | enum { | |
239 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
240 | APPEND_INO, /* for append ino list */ |
241 | UPDATE_INO, /* for update ino list */ | |
0a007b97 | 242 | TRANS_DIR_INO, /* for trasactions dir ino list */ |
39d787be | 243 | FLUSH_INO, /* for multiple device flushing */ |
6451e041 JK |
244 | MAX_INO_ENTRY, /* max. list */ |
245 | }; | |
246 | ||
247 | struct ino_entry { | |
39d787be CY |
248 | struct list_head list; /* list head */ |
249 | nid_t ino; /* inode number */ | |
250 | unsigned int dirty_device; /* dirty device bitmap */ | |
39a53e0c JK |
251 | }; |
252 | ||
2710fd7e | 253 | /* for the list of inodes to be GCed */ |
06292073 | 254 | struct inode_entry { |
39a53e0c JK |
255 | struct list_head list; /* list head */ |
256 | struct inode *inode; /* vfs inode pointer */ | |
257 | }; | |
258 | ||
50fa53ec CY |
259 | struct fsync_node_entry { |
260 | struct list_head list; /* list head */ | |
261 | struct page *page; /* warm node page pointer */ | |
262 | unsigned int seq_id; /* sequence id */ | |
263 | }; | |
264 | ||
a7eeb823 | 265 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
266 | struct discard_entry { |
267 | struct list_head list; /* list head */ | |
a7eeb823 CY |
268 | block_t start_blkaddr; /* start blockaddr of current segment */ |
269 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
7fd9e544 JK |
270 | }; |
271 | ||
969d1b18 CY |
272 | /* default discard granularity of inner discard thread, unit: block count */ |
273 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
274 | ||
ba48a33e CY |
275 | /* max discard pend list number */ |
276 | #define MAX_PLIST_NUM 512 | |
277 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
2f84babf | 278 | (MAX_PLIST_NUM - 1) : ((blk_num) - 1)) |
ba48a33e | 279 | |
15469963 | 280 | enum { |
35ec7d57 CY |
281 | D_PREP, /* initial */ |
282 | D_PARTIAL, /* partially submitted */ | |
283 | D_SUBMIT, /* all submitted */ | |
284 | D_DONE, /* finished */ | |
15469963 JK |
285 | }; |
286 | ||
004b6862 CY |
287 | struct discard_info { |
288 | block_t lstart; /* logical start address */ | |
289 | block_t len; /* length */ | |
290 | block_t start; /* actual start address in dev */ | |
291 | }; | |
292 | ||
b01a9201 | 293 | struct discard_cmd { |
004b6862 CY |
294 | struct rb_node rb_node; /* rb node located in rb-tree */ |
295 | union { | |
296 | struct { | |
297 | block_t lstart; /* logical start address */ | |
298 | block_t len; /* length */ | |
299 | block_t start; /* actual start address in dev */ | |
300 | }; | |
301 | struct discard_info di; /* discard info */ | |
302 | ||
303 | }; | |
b01a9201 JK |
304 | struct list_head list; /* command list */ |
305 | struct completion wait; /* compleation */ | |
c81abe34 | 306 | struct block_device *bdev; /* bdev */ |
ec9895ad | 307 | unsigned short ref; /* reference count */ |
9a744b92 | 308 | unsigned char state; /* state */ |
72691af6 | 309 | unsigned char queued; /* queued discard */ |
c81abe34 | 310 | int error; /* bio error */ |
35ec7d57 CY |
311 | spinlock_t lock; /* for state/bio_ref updating */ |
312 | unsigned short bio_ref; /* bio reference count */ | |
275b66b0 CY |
313 | }; |
314 | ||
78997b56 CY |
315 | enum { |
316 | DPOLICY_BG, | |
317 | DPOLICY_FORCE, | |
318 | DPOLICY_FSTRIM, | |
319 | DPOLICY_UMOUNT, | |
320 | MAX_DPOLICY, | |
321 | }; | |
322 | ||
ecc9aa00 | 323 | struct discard_policy { |
78997b56 | 324 | int type; /* type of discard */ |
ecc9aa00 | 325 | unsigned int min_interval; /* used for candidates exist */ |
f9d1dced | 326 | unsigned int mid_interval; /* used for device busy */ |
ecc9aa00 CY |
327 | unsigned int max_interval; /* used for candidates not exist */ |
328 | unsigned int max_requests; /* # of discards issued per round */ | |
329 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ | |
330 | bool io_aware; /* issue discard in idle time */ | |
331 | bool sync; /* submit discard with REQ_SYNC flag */ | |
20ee4382 | 332 | bool ordered; /* issue discard by lba order */ |
78997b56 | 333 | unsigned int granularity; /* discard granularity */ |
03f2c02d | 334 | int timeout; /* discard timeout for put_super */ |
ecc9aa00 CY |
335 | }; |
336 | ||
0b54fb84 | 337 | struct discard_cmd_control { |
15469963 | 338 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
46f84c2c | 339 | struct list_head entry_list; /* 4KB discard entry list */ |
ba48a33e | 340 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
46f84c2c | 341 | struct list_head wait_list; /* store on-flushing entries */ |
8412663d | 342 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
15469963 | 343 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
969d1b18 | 344 | unsigned int discard_wake; /* to wake up discard thread */ |
15469963 | 345 | struct mutex cmd_lock; |
d618ebaf CY |
346 | unsigned int nr_discards; /* # of discards in the list */ |
347 | unsigned int max_discards; /* max. discards to be issued */ | |
969d1b18 | 348 | unsigned int discard_granularity; /* discard granularity */ |
d84d1cbd | 349 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
20ee4382 | 350 | unsigned int next_pos; /* next discard position */ |
8b8dd65f | 351 | atomic_t issued_discard; /* # of issued discard */ |
72691af6 | 352 | atomic_t queued_discard; /* # of queued discard */ |
5f32366a | 353 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
4dada3fd | 354 | struct rb_root_cached root; /* root of discard rb-tree */ |
67fce70b | 355 | bool rbtree_check; /* config for consistence check */ |
275b66b0 CY |
356 | }; |
357 | ||
39a53e0c JK |
358 | /* for the list of fsync inodes, used only during recovery */ |
359 | struct fsync_inode_entry { | |
360 | struct list_head list; /* list head */ | |
361 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
362 | block_t blkaddr; /* block address locating the last fsync */ |
363 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
364 | }; |
365 | ||
68afcf2d TK |
366 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
367 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 368 | |
68afcf2d TK |
369 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
370 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
371 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
372 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 373 | |
dfc08a12 CY |
374 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
375 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 376 | |
dfc08a12 | 377 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 378 | { |
dfc08a12 | 379 | int before = nats_in_cursum(journal); |
cac5a3d8 | 380 | |
dfc08a12 | 381 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
382 | return before; |
383 | } | |
384 | ||
dfc08a12 | 385 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 386 | { |
dfc08a12 | 387 | int before = sits_in_cursum(journal); |
cac5a3d8 | 388 | |
dfc08a12 | 389 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
390 | return before; |
391 | } | |
392 | ||
dfc08a12 CY |
393 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
394 | int size, int type) | |
184a5cd2 CY |
395 | { |
396 | if (type == NAT_JOURNAL) | |
dfc08a12 CY |
397 | return size <= MAX_NAT_JENTRIES(journal); |
398 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
399 | } |
400 | ||
e9750824 NJ |
401 | /* |
402 | * ioctl commands | |
403 | */ | |
88b88a66 JK |
404 | #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS |
405 | #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS | |
d49f3e89 | 406 | #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION |
88b88a66 JK |
407 | |
408 | #define F2FS_IOCTL_MAGIC 0xf5 | |
409 | #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) | |
410 | #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) | |
02a1335f | 411 | #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) |
1e84371f JK |
412 | #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) |
413 | #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) | |
d07efb50 | 414 | #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) |
456b88e4 | 415 | #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) |
d07efb50 JK |
416 | #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ |
417 | struct f2fs_defragment) | |
4dd6f977 JK |
418 | #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ |
419 | struct f2fs_move_range) | |
e066b83c JK |
420 | #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ |
421 | struct f2fs_flush_device) | |
34dc77ad JK |
422 | #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ |
423 | struct f2fs_gc_range) | |
e65ef207 | 424 | #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) |
1ad71a27 JK |
425 | #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) |
426 | #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) | |
c4020b2d | 427 | #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) |
04f0b2ea | 428 | #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64) |
439dfb10 | 429 | #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __u64) |
e9750824 | 430 | |
4507847c CY |
431 | #define F2FS_IOC_GET_VOLUME_NAME FS_IOC_GETFSLABEL |
432 | #define F2FS_IOC_SET_VOLUME_NAME FS_IOC_SETFSLABEL | |
433 | ||
0b81d077 JK |
434 | #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY |
435 | #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY | |
436 | #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT | |
f424f664 | 437 | |
1abff93d JK |
438 | /* |
439 | * should be same as XFS_IOC_GOINGDOWN. | |
440 | * Flags for going down operation used by FS_IOC_GOINGDOWN | |
441 | */ | |
442 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ | |
443 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ | |
444 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ | |
445 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ | |
c912a829 | 446 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
0cd6d9b0 | 447 | #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ |
1abff93d | 448 | |
e9750824 NJ |
449 | #if defined(__KERNEL__) && defined(CONFIG_COMPAT) |
450 | /* | |
451 | * ioctl commands in 32 bit emulation | |
452 | */ | |
04ef4b62 CY |
453 | #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS |
454 | #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS | |
455 | #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION | |
e9750824 NJ |
456 | #endif |
457 | ||
2c1d0305 CY |
458 | #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
459 | #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
460 | ||
34dc77ad JK |
461 | struct f2fs_gc_range { |
462 | u32 sync; | |
463 | u64 start; | |
464 | u64 len; | |
465 | }; | |
466 | ||
d323d005 CY |
467 | struct f2fs_defragment { |
468 | u64 start; | |
469 | u64 len; | |
470 | }; | |
471 | ||
4dd6f977 JK |
472 | struct f2fs_move_range { |
473 | u32 dst_fd; /* destination fd */ | |
474 | u64 pos_in; /* start position in src_fd */ | |
475 | u64 pos_out; /* start position in dst_fd */ | |
476 | u64 len; /* size to move */ | |
477 | }; | |
478 | ||
e066b83c JK |
479 | struct f2fs_flush_device { |
480 | u32 dev_num; /* device number to flush */ | |
481 | u32 segments; /* # of segments to flush */ | |
482 | }; | |
483 | ||
f2470371 CY |
484 | /* for inline stuff */ |
485 | #define DEF_INLINE_RESERVED_SIZE 1 | |
7a2af766 | 486 | static inline int get_extra_isize(struct inode *inode); |
6afc662e | 487 | static inline int get_inline_xattr_addrs(struct inode *inode); |
6afc662e CY |
488 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ |
489 | (CUR_ADDRS_PER_INODE(inode) - \ | |
b323fd28 | 490 | get_inline_xattr_addrs(inode) - \ |
6afc662e | 491 | DEF_INLINE_RESERVED_SIZE)) |
f2470371 CY |
492 | |
493 | /* for inline dir */ | |
494 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
495 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
496 | BITS_PER_BYTE + 1)) | |
f91108b8 GU |
497 | #define INLINE_DENTRY_BITMAP_SIZE(inode) \ |
498 | DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE) | |
f2470371 CY |
499 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ |
500 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
501 | NR_INLINE_DENTRY(inode) + \ | |
502 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
503 | ||
39a53e0c JK |
504 | /* |
505 | * For INODE and NODE manager | |
506 | */ | |
7b3cd7d6 JK |
507 | /* for directory operations */ |
508 | struct f2fs_dentry_ptr { | |
d8c6822a | 509 | struct inode *inode; |
76a9dd85 | 510 | void *bitmap; |
7b3cd7d6 JK |
511 | struct f2fs_dir_entry *dentry; |
512 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
513 | int max; | |
76a9dd85 | 514 | int nr_bitmap; |
7b3cd7d6 JK |
515 | }; |
516 | ||
64c24ecb TK |
517 | static inline void make_dentry_ptr_block(struct inode *inode, |
518 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 519 | { |
d8c6822a | 520 | d->inode = inode; |
64c24ecb | 521 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 522 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
c79d1520 | 523 | d->bitmap = t->dentry_bitmap; |
64c24ecb TK |
524 | d->dentry = t->dentry; |
525 | d->filename = t->filename; | |
526 | } | |
d8c6822a | 527 | |
64c24ecb | 528 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 529 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 530 | { |
f2470371 CY |
531 | int entry_cnt = NR_INLINE_DENTRY(inode); |
532 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
533 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
534 | ||
64c24ecb | 535 | d->inode = inode; |
f2470371 CY |
536 | d->max = entry_cnt; |
537 | d->nr_bitmap = bitmap_size; | |
538 | d->bitmap = t; | |
539 | d->dentry = t + bitmap_size + reserved_size; | |
540 | d->filename = t + bitmap_size + reserved_size + | |
541 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
542 | } |
543 | ||
dbe6a5ff JK |
544 | /* |
545 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
546 | * as its node offset to distinguish from index node blocks. | |
547 | * But some bits are used to mark the node block. | |
548 | */ | |
549 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
550 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
551 | enum { |
552 | ALLOC_NODE, /* allocate a new node page if needed */ | |
553 | LOOKUP_NODE, /* look up a node without readahead */ | |
554 | LOOKUP_NODE_RA, /* | |
555 | * look up a node with readahead called | |
4f4124d0 | 556 | * by get_data_block. |
39a53e0c | 557 | */ |
266e97a8 JK |
558 | }; |
559 | ||
7735730d CY |
560 | #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */ |
561 | ||
5df7731f CY |
562 | /* congestion wait timeout value, default: 20ms */ |
563 | #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20)) | |
564 | ||
af033b2a CY |
565 | /* maximum retry quota flush count */ |
566 | #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8 | |
567 | ||
a6db67f0 | 568 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 569 | |
817202d9 CY |
570 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
571 | ||
39a53e0c | 572 | /* for in-memory extent cache entry */ |
13054c54 CY |
573 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
574 | ||
575 | /* number of extent info in extent cache we try to shrink */ | |
576 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 577 | |
54c2258c CY |
578 | struct rb_entry { |
579 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
580 | unsigned int ofs; /* start offset of the entry */ | |
581 | unsigned int len; /* length of the entry */ | |
582 | }; | |
583 | ||
39a53e0c | 584 | struct extent_info { |
13054c54 | 585 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 586 | unsigned int len; /* length of the extent */ |
54c2258c | 587 | u32 blk; /* start block address of the extent */ |
13054c54 CY |
588 | }; |
589 | ||
590 | struct extent_node { | |
c0362117 CY |
591 | struct rb_node rb_node; /* rb node located in rb-tree */ |
592 | struct extent_info ei; /* extent info */ | |
13054c54 | 593 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 594 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
595 | }; |
596 | ||
597 | struct extent_tree { | |
598 | nid_t ino; /* inode number */ | |
4dada3fd | 599 | struct rb_root_cached root; /* root of extent info rb-tree */ |
62c8af65 | 600 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 601 | struct extent_info largest; /* largested extent info */ |
137d09f0 | 602 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 603 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 604 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
b430f726 | 605 | bool largest_updated; /* largest extent updated */ |
39a53e0c JK |
606 | }; |
607 | ||
003a3e1d JK |
608 | /* |
609 | * This structure is taken from ext4_map_blocks. | |
610 | * | |
611 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
612 | */ | |
613 | #define F2FS_MAP_NEW (1 << BH_New) | |
614 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
615 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
616 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
617 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
618 | |
619 | struct f2fs_map_blocks { | |
620 | block_t m_pblk; | |
621 | block_t m_lblk; | |
622 | unsigned int m_len; | |
623 | unsigned int m_flags; | |
da85985c | 624 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
c4020b2d | 625 | pgoff_t *m_next_extent; /* point to next possible extent */ |
d5097be5 | 626 | int m_seg_type; |
f9d6d059 | 627 | bool m_may_create; /* indicate it is from write path */ |
003a3e1d JK |
628 | }; |
629 | ||
e2b4e2bc | 630 | /* for flag in get_data_block */ |
f2220c7f QS |
631 | enum { |
632 | F2FS_GET_BLOCK_DEFAULT, | |
633 | F2FS_GET_BLOCK_FIEMAP, | |
634 | F2FS_GET_BLOCK_BMAP, | |
0a4daae5 | 635 | F2FS_GET_BLOCK_DIO, |
f2220c7f QS |
636 | F2FS_GET_BLOCK_PRE_DIO, |
637 | F2FS_GET_BLOCK_PRE_AIO, | |
c4020b2d | 638 | F2FS_GET_BLOCK_PRECACHE, |
f2220c7f | 639 | }; |
e2b4e2bc | 640 | |
39a53e0c JK |
641 | /* |
642 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
643 | */ | |
644 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 645 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 646 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 647 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 648 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
b6a06cbb | 649 | #define FADVISE_HOT_BIT 0x20 |
95ae251f | 650 | #define FADVISE_VERITY_BIT 0x40 |
39a53e0c | 651 | |
797c1cb5 CY |
652 | #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT) |
653 | ||
b5492af7 JK |
654 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
655 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
656 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) | |
657 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
658 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) | |
659 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) | |
cde4de12 JK |
660 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
661 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
662 | #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT) | |
e7d55452 JK |
663 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
664 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
26787236 JK |
665 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
666 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
b6a06cbb CY |
667 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) |
668 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) | |
669 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) | |
95ae251f EB |
670 | #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT) |
671 | #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT) | |
cde4de12 | 672 | |
ab9fa662 JK |
673 | #define DEF_DIR_LEVEL 0 |
674 | ||
2ef79ecb CY |
675 | enum { |
676 | GC_FAILURE_PIN, | |
677 | GC_FAILURE_ATOMIC, | |
678 | MAX_GC_FAILURE | |
679 | }; | |
680 | ||
7653b9d8 CY |
681 | /* used for f2fs_inode_info->flags */ |
682 | enum { | |
683 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
684 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ | |
685 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ | |
686 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ | |
687 | FI_INC_LINK, /* need to increment i_nlink */ | |
688 | FI_ACL_MODE, /* indicate acl mode */ | |
689 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
690 | FI_FREE_NID, /* free allocated nide */ | |
691 | FI_NO_EXTENT, /* not to use the extent cache */ | |
692 | FI_INLINE_XATTR, /* used for inline xattr */ | |
693 | FI_INLINE_DATA, /* used for inline data*/ | |
694 | FI_INLINE_DENTRY, /* used for inline dentry */ | |
695 | FI_APPEND_WRITE, /* inode has appended data */ | |
696 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
697 | FI_NEED_IPU, /* used for ipu per file */ | |
698 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
699 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ | |
700 | FI_VOLATILE_FILE, /* indicate volatile file */ | |
701 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ | |
702 | FI_DROP_CACHE, /* drop dirty page cache */ | |
703 | FI_DATA_EXIST, /* indicate data exists */ | |
704 | FI_INLINE_DOTS, /* indicate inline dot dentries */ | |
705 | FI_DO_DEFRAG, /* indicate defragment is running */ | |
706 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ | |
707 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ | |
708 | FI_HOT_DATA, /* indicate file is hot */ | |
709 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ | |
710 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ | |
711 | FI_PIN_FILE, /* indicate file should not be gced */ | |
712 | FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */ | |
713 | FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */ | |
714 | FI_COMPRESSED_FILE, /* indicate file's data can be compressed */ | |
715 | FI_MMAP_FILE, /* indicate file was mmapped */ | |
716 | FI_MAX, /* max flag, never be used */ | |
717 | }; | |
718 | ||
39a53e0c JK |
719 | struct f2fs_inode_info { |
720 | struct inode vfs_inode; /* serve a vfs inode */ | |
721 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
722 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 723 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
2ef79ecb CY |
724 | unsigned int i_current_depth; /* only for directory depth */ |
725 | /* for gc failure statistic */ | |
726 | unsigned int i_gc_failures[MAX_GC_FAILURE]; | |
6666e6aa | 727 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
728 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
729 | ||
730 | /* Use below internally in f2fs*/ | |
7653b9d8 | 731 | unsigned long flags[BITS_TO_LONGS(FI_MAX)]; /* use to pass per-file flags */ |
d928bfbf | 732 | struct rw_semaphore i_sem; /* protect fi info */ |
204706c7 | 733 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
734 | f2fs_hash_t chash; /* hash value of given file name */ |
735 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 736 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 737 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
39a53e0c | 738 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 739 | loff_t last_disk_size; /* lastly written file size */ |
c10c9820 | 740 | spinlock_t i_size_lock; /* protect last_disk_size */ |
88b88a66 | 741 | |
0abd675e CY |
742 | #ifdef CONFIG_QUOTA |
743 | struct dquot *i_dquot[MAXQUOTAS]; | |
744 | ||
745 | /* quota space reservation, managed internally by quota code */ | |
746 | qsize_t i_reserved_quota; | |
747 | #endif | |
0f18b462 JK |
748 | struct list_head dirty_list; /* dirty list for dirs and files */ |
749 | struct list_head gdirty_list; /* linked in global dirty list */ | |
57864ae5 | 750 | struct list_head inmem_ilist; /* list for inmem inodes */ |
88b88a66 | 751 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
7a10f017 | 752 | struct task_struct *inmem_task; /* store inmemory task */ |
88b88a66 | 753 | struct mutex inmem_lock; /* lock for inmemory pages */ |
3e72f721 | 754 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
b2532c69 CY |
755 | |
756 | /* avoid racing between foreground op and gc */ | |
757 | struct rw_semaphore i_gc_rwsem[2]; | |
5a3a2d83 | 758 | struct rw_semaphore i_mmap_sem; |
27161f13 | 759 | struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ |
f2470371 | 760 | |
7a2af766 | 761 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 762 | kprojid_t i_projid; /* id for project quota */ |
6afc662e | 763 | int i_inline_xattr_size; /* inline xattr size */ |
24b81dfc AB |
764 | struct timespec64 i_crtime; /* inode creation time */ |
765 | struct timespec64 i_disk_time[4];/* inode disk times */ | |
4c8ff709 CY |
766 | |
767 | /* for file compress */ | |
768 | u64 i_compr_blocks; /* # of compressed blocks */ | |
769 | unsigned char i_compress_algorithm; /* algorithm type */ | |
770 | unsigned char i_log_cluster_size; /* log of cluster size */ | |
771 | unsigned int i_cluster_size; /* cluster size */ | |
39a53e0c JK |
772 | }; |
773 | ||
774 | static inline void get_extent_info(struct extent_info *ext, | |
bd933d4f | 775 | struct f2fs_extent *i_ext) |
39a53e0c | 776 | { |
bd933d4f CY |
777 | ext->fofs = le32_to_cpu(i_ext->fofs); |
778 | ext->blk = le32_to_cpu(i_ext->blk); | |
779 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
780 | } |
781 | ||
782 | static inline void set_raw_extent(struct extent_info *ext, | |
783 | struct f2fs_extent *i_ext) | |
784 | { | |
39a53e0c | 785 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 786 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 787 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
788 | } |
789 | ||
429511cd CY |
790 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
791 | u32 blk, unsigned int len) | |
792 | { | |
793 | ei->fofs = fofs; | |
794 | ei->blk = blk; | |
795 | ei->len = len; | |
796 | } | |
797 | ||
004b6862 | 798 | static inline bool __is_discard_mergeable(struct discard_info *back, |
35ec7d57 | 799 | struct discard_info *front, unsigned int max_len) |
004b6862 | 800 | { |
9a997188 | 801 | return (back->lstart + back->len == front->lstart) && |
35ec7d57 | 802 | (back->len + front->len <= max_len); |
004b6862 CY |
803 | } |
804 | ||
805 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
35ec7d57 | 806 | struct discard_info *back, unsigned int max_len) |
004b6862 | 807 | { |
35ec7d57 | 808 | return __is_discard_mergeable(back, cur, max_len); |
004b6862 CY |
809 | } |
810 | ||
811 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
35ec7d57 | 812 | struct discard_info *front, unsigned int max_len) |
004b6862 | 813 | { |
35ec7d57 | 814 | return __is_discard_mergeable(cur, front, max_len); |
004b6862 CY |
815 | } |
816 | ||
429511cd CY |
817 | static inline bool __is_extent_mergeable(struct extent_info *back, |
818 | struct extent_info *front) | |
819 | { | |
820 | return (back->fofs + back->len == front->fofs && | |
821 | back->blk + back->len == front->blk); | |
822 | } | |
823 | ||
824 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
825 | struct extent_info *back) | |
826 | { | |
827 | return __is_extent_mergeable(back, cur); | |
828 | } | |
829 | ||
830 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
831 | struct extent_info *front) | |
832 | { | |
833 | return __is_extent_mergeable(cur, front); | |
834 | } | |
835 | ||
cac5a3d8 | 836 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
b430f726 ZZ |
837 | static inline void __try_update_largest_extent(struct extent_tree *et, |
838 | struct extent_node *en) | |
4abd3f5a | 839 | { |
205b9822 | 840 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 841 | et->largest = en->ei; |
b430f726 | 842 | et->largest_updated = true; |
205b9822 | 843 | } |
4abd3f5a CY |
844 | } |
845 | ||
9a4ffdf5 CY |
846 | /* |
847 | * For free nid management | |
848 | */ | |
849 | enum nid_state { | |
850 | FREE_NID, /* newly added to free nid list */ | |
851 | PREALLOC_NID, /* it is preallocated */ | |
852 | MAX_NID_STATE, | |
b8559dc2 CY |
853 | }; |
854 | ||
39a53e0c JK |
855 | struct f2fs_nm_info { |
856 | block_t nat_blkaddr; /* base disk address of NAT */ | |
857 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 858 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 859 | nid_t next_scan_nid; /* the next nid to be scanned */ |
cdfc41c1 | 860 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 861 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 862 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
863 | |
864 | /* NAT cache management */ | |
865 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 866 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
b873b798 | 867 | struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */ |
39a53e0c | 868 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
22969158 | 869 | spinlock_t nat_list_lock; /* protect clean nat entry list */ |
309cc2b6 | 870 | unsigned int nat_cnt; /* the # of cached nat entries */ |
aec71382 | 871 | unsigned int dirty_nat_cnt; /* total num of nat entries in set */ |
22ad0b6a | 872 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
873 | |
874 | /* free node ids management */ | |
8a7ed66a | 875 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
9a4ffdf5 CY |
876 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
877 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
b8559dc2 | 878 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 879 | struct mutex build_lock; /* lock for build free nids */ |
bb1105e4 | 880 | unsigned char **free_nid_bitmap; |
4ac91242 | 881 | unsigned char *nat_block_bitmap; |
586d1492 | 882 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
883 | |
884 | /* for checkpoint */ | |
885 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
886 | |
887 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
888 | unsigned char *nat_bits; /* NAT bits blocks */ | |
889 | unsigned char *full_nat_bits; /* full NAT pages */ | |
890 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
891 | #ifdef CONFIG_F2FS_CHECK_FS |
892 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
893 | #endif | |
39a53e0c JK |
894 | int bitmap_size; /* bitmap size */ |
895 | }; | |
896 | ||
897 | /* | |
898 | * this structure is used as one of function parameters. | |
899 | * all the information are dedicated to a given direct node block determined | |
900 | * by the data offset in a file. | |
901 | */ | |
902 | struct dnode_of_data { | |
903 | struct inode *inode; /* vfs inode pointer */ | |
904 | struct page *inode_page; /* its inode page, NULL is possible */ | |
905 | struct page *node_page; /* cached direct node page */ | |
906 | nid_t nid; /* node id of the direct node block */ | |
907 | unsigned int ofs_in_node; /* data offset in the node page */ | |
908 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 909 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
910 | char cur_level; /* level of hole node page */ |
911 | char max_level; /* level of current page located */ | |
39a53e0c JK |
912 | block_t data_blkaddr; /* block address of the node block */ |
913 | }; | |
914 | ||
915 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
916 | struct page *ipage, struct page *npage, nid_t nid) | |
917 | { | |
d66d1f76 | 918 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
919 | dn->inode = inode; |
920 | dn->inode_page = ipage; | |
921 | dn->node_page = npage; | |
922 | dn->nid = nid; | |
39a53e0c JK |
923 | } |
924 | ||
925 | /* | |
926 | * For SIT manager | |
927 | * | |
928 | * By default, there are 6 active log areas across the whole main area. | |
929 | * When considering hot and cold data separation to reduce cleaning overhead, | |
930 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
931 | * respectively. | |
932 | * In the current design, you should not change the numbers intentionally. | |
933 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
934 | * logs individually according to the underlying devices. (default: 6) | |
935 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
936 | * data and 8 for node logs. | |
937 | */ | |
938 | #define NR_CURSEG_DATA_TYPE (3) | |
939 | #define NR_CURSEG_NODE_TYPE (3) | |
940 | #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) | |
941 | ||
942 | enum { | |
943 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
944 | CURSEG_WARM_DATA, /* data blocks */ | |
945 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
946 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
947 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
948 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
38aa0889 | 949 | NO_CHECK_TYPE, |
f5a53edc | 950 | CURSEG_COLD_DATA_PINNED,/* cold data for pinned file */ |
39a53e0c JK |
951 | }; |
952 | ||
6b4afdd7 | 953 | struct flush_cmd { |
6b4afdd7 | 954 | struct completion wait; |
721bd4d5 | 955 | struct llist_node llnode; |
39d787be | 956 | nid_t ino; |
6b4afdd7 JK |
957 | int ret; |
958 | }; | |
959 | ||
a688b9d9 GZ |
960 | struct flush_cmd_control { |
961 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
962 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f | 963 | atomic_t issued_flush; /* # of issued flushes */ |
72691af6 | 964 | atomic_t queued_flush; /* # of queued flushes */ |
721bd4d5 GZ |
965 | struct llist_head issue_list; /* list for command issue */ |
966 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
967 | }; |
968 | ||
39a53e0c JK |
969 | struct f2fs_sm_info { |
970 | struct sit_info *sit_info; /* whole segment information */ | |
971 | struct free_segmap_info *free_info; /* free segment information */ | |
972 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
973 | struct curseg_info *curseg_array; /* active segment information */ | |
974 | ||
2b60311d CY |
975 | struct rw_semaphore curseg_lock; /* for preventing curseg change */ |
976 | ||
39a53e0c JK |
977 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
978 | block_t main_blkaddr; /* start block address of main area */ | |
979 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
980 | ||
981 | unsigned int segment_count; /* total # of segments */ | |
982 | unsigned int main_segments; /* # of segments in main area */ | |
983 | unsigned int reserved_segments; /* # of reserved segments */ | |
984 | unsigned int ovp_segments; /* # of overprovision segments */ | |
81eb8d6e JK |
985 | |
986 | /* a threshold to reclaim prefree segments */ | |
987 | unsigned int rec_prefree_segments; | |
7fd9e544 | 988 | |
bba681cb JK |
989 | /* for batched trimming */ |
990 | unsigned int trim_sections; /* # of sections to trim */ | |
991 | ||
184a5cd2 CY |
992 | struct list_head sit_entry_set; /* sit entry set list */ |
993 | ||
216fbd64 JK |
994 | unsigned int ipu_policy; /* in-place-update policy */ |
995 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 996 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
853137ce | 997 | unsigned int min_seq_blocks; /* threshold for sequential blocks */ |
ef095d19 | 998 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
a2a12b67 | 999 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
1000 | |
1001 | /* for flush command control */ | |
b01a9201 | 1002 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 1003 | |
0b54fb84 JK |
1004 | /* for discard command control */ |
1005 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
1006 | }; |
1007 | ||
39a53e0c JK |
1008 | /* |
1009 | * For superblock | |
1010 | */ | |
1011 | /* | |
1012 | * COUNT_TYPE for monitoring | |
1013 | * | |
1014 | * f2fs monitors the number of several block types such as on-writeback, | |
1015 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
1016 | */ | |
36951b38 | 1017 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 1018 | enum count_type { |
39a53e0c | 1019 | F2FS_DIRTY_DENTS, |
c227f912 | 1020 | F2FS_DIRTY_DATA, |
2c8a4a28 | 1021 | F2FS_DIRTY_QDATA, |
39a53e0c JK |
1022 | F2FS_DIRTY_NODES, |
1023 | F2FS_DIRTY_META, | |
8dcf2ff7 | 1024 | F2FS_INMEM_PAGES, |
0f18b462 | 1025 | F2FS_DIRTY_IMETA, |
36951b38 CY |
1026 | F2FS_WB_CP_DATA, |
1027 | F2FS_WB_DATA, | |
5f9abab4 JK |
1028 | F2FS_RD_DATA, |
1029 | F2FS_RD_NODE, | |
1030 | F2FS_RD_META, | |
02b16d0a CY |
1031 | F2FS_DIO_WRITE, |
1032 | F2FS_DIO_READ, | |
39a53e0c JK |
1033 | NR_COUNT_TYPE, |
1034 | }; | |
1035 | ||
39a53e0c | 1036 | /* |
e1c42045 | 1037 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
1038 | * The available types are: |
1039 | * DATA User data pages. It operates as async mode. | |
1040 | * NODE Node pages. It operates as async mode. | |
1041 | * META FS metadata pages such as SIT, NAT, CP. | |
1042 | * NR_PAGE_TYPE The number of page types. | |
1043 | * META_FLUSH Make sure the previous pages are written | |
1044 | * with waiting the bio's completion | |
1045 | * ... Only can be used with META. | |
1046 | */ | |
7d5e5109 | 1047 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c JK |
1048 | enum page_type { |
1049 | DATA, | |
1050 | NODE, | |
1051 | META, | |
1052 | NR_PAGE_TYPE, | |
1053 | META_FLUSH, | |
8ce67cb0 JK |
1054 | INMEM, /* the below types are used by tracepoints only. */ |
1055 | INMEM_DROP, | |
8c242db9 | 1056 | INMEM_INVALIDATE, |
28bc106b | 1057 | INMEM_REVOKE, |
8ce67cb0 JK |
1058 | IPU, |
1059 | OPU, | |
39a53e0c JK |
1060 | }; |
1061 | ||
a912b54d JK |
1062 | enum temp_type { |
1063 | HOT = 0, /* must be zero for meta bio */ | |
1064 | WARM, | |
1065 | COLD, | |
1066 | NR_TEMP_TYPE, | |
1067 | }; | |
1068 | ||
cc15620b JK |
1069 | enum need_lock_type { |
1070 | LOCK_REQ = 0, | |
1071 | LOCK_DONE, | |
1072 | LOCK_RETRY, | |
1073 | }; | |
1074 | ||
a5fd5050 CY |
1075 | enum cp_reason_type { |
1076 | CP_NO_NEEDED, | |
1077 | CP_NON_REGULAR, | |
4c8ff709 | 1078 | CP_COMPRESSED, |
a5fd5050 CY |
1079 | CP_HARDLINK, |
1080 | CP_SB_NEED_CP, | |
1081 | CP_WRONG_PINO, | |
1082 | CP_NO_SPC_ROLL, | |
1083 | CP_NODE_NEED_CP, | |
1084 | CP_FASTBOOT_MODE, | |
1085 | CP_SPEC_LOG_NUM, | |
0a007b97 | 1086 | CP_RECOVER_DIR, |
a5fd5050 CY |
1087 | }; |
1088 | ||
b0af6d49 CY |
1089 | enum iostat_type { |
1090 | APP_DIRECT_IO, /* app direct IOs */ | |
1091 | APP_BUFFERED_IO, /* app buffered IOs */ | |
1092 | APP_WRITE_IO, /* app write IOs */ | |
1093 | APP_MAPPED_IO, /* app mapped IOs */ | |
1094 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
1095 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
1096 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
1097 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
1098 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
1099 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
1100 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
1101 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
1102 | FS_DISCARD, /* discard */ | |
1103 | NR_IO_TYPE, | |
1104 | }; | |
1105 | ||
458e6197 | 1106 | struct f2fs_io_info { |
05ca3632 | 1107 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
39d787be | 1108 | nid_t ino; /* inode number */ |
7e8f2308 | 1109 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 1110 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
04d328de | 1111 | int op; /* contains REQ_OP_ */ |
ef295ecf | 1112 | int op_flags; /* req_flag_bits */ |
7a9d7548 | 1113 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 1114 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 1115 | struct page *page; /* page to be written */ |
4375a336 | 1116 | struct page *encrypted_page; /* encrypted page */ |
4c8ff709 | 1117 | struct page *compressed_page; /* compressed page */ |
fb830fc5 | 1118 | struct list_head list; /* serialize IOs */ |
d68f735b | 1119 | bool submitted; /* indicate IO submission */ |
cc15620b | 1120 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 1121 | bool in_list; /* indicate fio is in io_list */ |
6dc3a126 | 1122 | bool is_por; /* indicate IO is from recovery or not */ |
fe16efe6 | 1123 | bool retry; /* need to reallocate block address */ |
4c8ff709 CY |
1124 | int compr_blocks; /* # of compressed block addresses */ |
1125 | bool encrypted; /* indicate file is encrypted */ | |
b0af6d49 | 1126 | enum iostat_type io_type; /* io type */ |
578c6478 | 1127 | struct writeback_control *io_wbc; /* writeback control */ |
8648de2c CY |
1128 | struct bio **bio; /* bio for ipu */ |
1129 | sector_t *last_block; /* last block number in bio */ | |
7735730d | 1130 | unsigned char version; /* version of the node */ |
458e6197 JK |
1131 | }; |
1132 | ||
0b20fcec CY |
1133 | struct bio_entry { |
1134 | struct bio *bio; | |
1135 | struct list_head list; | |
1136 | }; | |
1137 | ||
68afcf2d | 1138 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 1139 | struct f2fs_bio_info { |
458e6197 | 1140 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
1141 | struct bio *bio; /* bios to merge */ |
1142 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 1143 | struct f2fs_io_info fio; /* store buffered io info. */ |
df0f8dc0 | 1144 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
1145 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
1146 | struct list_head io_list; /* track fios */ | |
0b20fcec CY |
1147 | struct list_head bio_list; /* bio entry list head */ |
1148 | struct rw_semaphore bio_list_lock; /* lock to protect bio entry list */ | |
1ff7bd3b JK |
1149 | }; |
1150 | ||
3c62be17 JK |
1151 | #define FDEV(i) (sbi->devs[i]) |
1152 | #define RDEV(i) (raw_super->devs[i]) | |
1153 | struct f2fs_dev_info { | |
1154 | struct block_device *bdev; | |
1155 | char path[MAX_PATH_LEN]; | |
1156 | unsigned int total_segments; | |
1157 | block_t start_blk; | |
1158 | block_t end_blk; | |
1159 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf DLM |
1160 | unsigned int nr_blkz; /* Total number of zones */ |
1161 | unsigned long *blkz_seq; /* Bitmap indicating sequential zones */ | |
3c62be17 JK |
1162 | #endif |
1163 | }; | |
1164 | ||
c227f912 CY |
1165 | enum inode_type { |
1166 | DIR_INODE, /* for dirty dir inode */ | |
1167 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 1168 | DIRTY_META, /* for all dirtied inode metadata */ |
57864ae5 | 1169 | ATOMIC_FILE, /* for all atomic files */ |
c227f912 CY |
1170 | NR_INODE_TYPE, |
1171 | }; | |
1172 | ||
67298804 CY |
1173 | /* for inner inode cache management */ |
1174 | struct inode_management { | |
1175 | struct radix_tree_root ino_root; /* ino entry array */ | |
1176 | spinlock_t ino_lock; /* for ino entry lock */ | |
1177 | struct list_head ino_list; /* inode list head */ | |
1178 | unsigned long ino_num; /* number of entries */ | |
1179 | }; | |
1180 | ||
caf0047e CY |
1181 | /* For s_flag in struct f2fs_sb_info */ |
1182 | enum { | |
1183 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
1184 | SBI_IS_CLOSE, /* specify unmounting */ | |
1185 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
1186 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 1187 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 1188 | SBI_NEED_CP, /* need to checkpoint */ |
83a3bfdb | 1189 | SBI_IS_SHUTDOWN, /* shutdown by ioctl */ |
1378752b | 1190 | SBI_IS_RECOVERED, /* recovered orphan/data */ |
4354994f | 1191 | SBI_CP_DISABLED, /* CP was disabled last mount */ |
db610a64 | 1192 | SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */ |
af033b2a CY |
1193 | SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */ |
1194 | SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */ | |
1195 | SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */ | |
04f0b2ea | 1196 | SBI_IS_RESIZEFS, /* resizefs is in process */ |
caf0047e CY |
1197 | }; |
1198 | ||
6beceb54 JK |
1199 | enum { |
1200 | CP_TIME, | |
d0239e1b | 1201 | REQ_TIME, |
a7d10cf3 ST |
1202 | DISCARD_TIME, |
1203 | GC_TIME, | |
4354994f | 1204 | DISABLE_TIME, |
03f2c02d | 1205 | UMOUNT_DISCARD_TIMEOUT, |
6beceb54 JK |
1206 | MAX_TIME, |
1207 | }; | |
1208 | ||
5b0e9539 JK |
1209 | enum { |
1210 | GC_NORMAL, | |
1211 | GC_IDLE_CB, | |
1212 | GC_IDLE_GREEDY, | |
1213 | GC_URGENT, | |
1214 | }; | |
1215 | ||
bbbc34fd CY |
1216 | enum { |
1217 | BGGC_MODE_ON, /* background gc is on */ | |
1218 | BGGC_MODE_OFF, /* background gc is off */ | |
1219 | BGGC_MODE_SYNC, /* | |
1220 | * background gc is on, migrating blocks | |
1221 | * like foreground gc | |
1222 | */ | |
1223 | }; | |
1224 | ||
b0332a0f CY |
1225 | enum { |
1226 | FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */ | |
1227 | FS_MODE_LFS, /* use lfs allocation only */ | |
1228 | }; | |
1229 | ||
0cdd3195 HL |
1230 | enum { |
1231 | WHINT_MODE_OFF, /* not pass down write hints */ | |
1232 | WHINT_MODE_USER, /* try to pass down hints given by users */ | |
f2e703f9 | 1233 | WHINT_MODE_FS, /* pass down hints with F2FS policy */ |
0cdd3195 HL |
1234 | }; |
1235 | ||
07939627 JK |
1236 | enum { |
1237 | ALLOC_MODE_DEFAULT, /* stay default */ | |
1238 | ALLOC_MODE_REUSE, /* reuse segments as much as possible */ | |
1239 | }; | |
1240 | ||
93cf93f1 JZ |
1241 | enum fsync_mode { |
1242 | FSYNC_MODE_POSIX, /* fsync follows posix semantics */ | |
1243 | FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ | |
d6290814 | 1244 | FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ |
93cf93f1 JZ |
1245 | }; |
1246 | ||
4c8ff709 CY |
1247 | /* |
1248 | * this value is set in page as a private data which indicate that | |
1249 | * the page is atomically written, and it is in inmem_pages list. | |
1250 | */ | |
1251 | #define ATOMIC_WRITTEN_PAGE ((unsigned long)-1) | |
1252 | #define DUMMY_WRITTEN_PAGE ((unsigned long)-2) | |
1253 | ||
1254 | #define IS_ATOMIC_WRITTEN_PAGE(page) \ | |
1255 | (page_private(page) == (unsigned long)ATOMIC_WRITTEN_PAGE) | |
1256 | #define IS_DUMMY_WRITTEN_PAGE(page) \ | |
1257 | (page_private(page) == (unsigned long)DUMMY_WRITTEN_PAGE) | |
1258 | ||
643fa961 | 1259 | #ifdef CONFIG_FS_ENCRYPTION |
ff62af20 SY |
1260 | #define DUMMY_ENCRYPTION_ENABLED(sbi) \ |
1261 | (unlikely(F2FS_OPTION(sbi).test_dummy_encryption)) | |
1262 | #else | |
1263 | #define DUMMY_ENCRYPTION_ENABLED(sbi) (0) | |
1264 | #endif | |
1265 | ||
4c8ff709 CY |
1266 | /* For compression */ |
1267 | enum compress_algorithm_type { | |
1268 | COMPRESS_LZO, | |
1269 | COMPRESS_LZ4, | |
1270 | COMPRESS_MAX, | |
1271 | }; | |
1272 | ||
0b32dc18 | 1273 | #define COMPRESS_DATA_RESERVED_SIZE 5 |
4c8ff709 CY |
1274 | struct compress_data { |
1275 | __le32 clen; /* compressed data size */ | |
4c8ff709 CY |
1276 | __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ |
1277 | u8 cdata[]; /* compressed data */ | |
1278 | }; | |
1279 | ||
1280 | #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data)) | |
1281 | ||
1282 | #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000 | |
1283 | ||
1284 | /* compress context */ | |
1285 | struct compress_ctx { | |
1286 | struct inode *inode; /* inode the context belong to */ | |
1287 | pgoff_t cluster_idx; /* cluster index number */ | |
1288 | unsigned int cluster_size; /* page count in cluster */ | |
1289 | unsigned int log_cluster_size; /* log of cluster size */ | |
1290 | struct page **rpages; /* pages store raw data in cluster */ | |
1291 | unsigned int nr_rpages; /* total page number in rpages */ | |
1292 | struct page **cpages; /* pages store compressed data in cluster */ | |
1293 | unsigned int nr_cpages; /* total page number in cpages */ | |
1294 | void *rbuf; /* virtual mapped address on rpages */ | |
1295 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1296 | size_t rlen; /* valid data length in rbuf */ | |
1297 | size_t clen; /* valid data length in cbuf */ | |
1298 | void *private; /* payload buffer for specified compression algorithm */ | |
1299 | }; | |
1300 | ||
1301 | /* compress context for write IO path */ | |
1302 | struct compress_io_ctx { | |
1303 | u32 magic; /* magic number to indicate page is compressed */ | |
1304 | struct inode *inode; /* inode the context belong to */ | |
1305 | struct page **rpages; /* pages store raw data in cluster */ | |
1306 | unsigned int nr_rpages; /* total page number in rpages */ | |
1307 | refcount_t ref; /* referrence count of raw page */ | |
1308 | }; | |
1309 | ||
1310 | /* decompress io context for read IO path */ | |
1311 | struct decompress_io_ctx { | |
1312 | u32 magic; /* magic number to indicate page is compressed */ | |
1313 | struct inode *inode; /* inode the context belong to */ | |
1314 | pgoff_t cluster_idx; /* cluster index number */ | |
1315 | unsigned int cluster_size; /* page count in cluster */ | |
1316 | unsigned int log_cluster_size; /* log of cluster size */ | |
1317 | struct page **rpages; /* pages store raw data in cluster */ | |
1318 | unsigned int nr_rpages; /* total page number in rpages */ | |
1319 | struct page **cpages; /* pages store compressed data in cluster */ | |
1320 | unsigned int nr_cpages; /* total page number in cpages */ | |
1321 | struct page **tpages; /* temp pages to pad holes in cluster */ | |
1322 | void *rbuf; /* virtual mapped address on rpages */ | |
1323 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1324 | size_t rlen; /* valid data length in rbuf */ | |
1325 | size_t clen; /* valid data length in cbuf */ | |
1326 | refcount_t ref; /* referrence count of compressed page */ | |
1327 | bool failed; /* indicate IO error during decompression */ | |
1328 | }; | |
1329 | ||
1330 | #define NULL_CLUSTER ((unsigned int)(~0)) | |
1331 | #define MIN_COMPRESS_LOG_SIZE 2 | |
1332 | #define MAX_COMPRESS_LOG_SIZE 8 | |
1333 | ||
39a53e0c JK |
1334 | struct f2fs_sb_info { |
1335 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1336 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1337 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
846ae671 | 1338 | struct rw_semaphore sb_lock; /* lock for raw super block */ |
e8240f65 | 1339 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 1340 | unsigned long s_flag; /* flags for sbi */ |
853137ce | 1341 | struct mutex writepages; /* mutex for writepages() */ |
5aba5430 DR |
1342 | #ifdef CONFIG_UNICODE |
1343 | struct unicode_map *s_encoding; | |
1344 | __u16 s_encoding_flags; | |
1345 | #endif | |
39a53e0c | 1346 | |
178053e2 | 1347 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
1348 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1349 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
1350 | #endif |
1351 | ||
39a53e0c JK |
1352 | /* for node-related operations */ |
1353 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1354 | struct inode *node_inode; /* cache node blocks */ | |
1355 | ||
1356 | /* for segment-related operations */ | |
1357 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1358 | |
1359 | /* for bio operations */ | |
a912b54d | 1360 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
107a805d CY |
1361 | /* keep migration IO order for LFS mode */ |
1362 | struct rw_semaphore io_order_lock; | |
0a595eba | 1363 | mempool_t *write_io_dummy; /* Dummy pages */ |
39a53e0c JK |
1364 | |
1365 | /* for checkpoint */ | |
1366 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 1367 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1368 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1369 | struct inode *meta_inode; /* cache meta blocks */ |
39936837 | 1370 | struct mutex cp_mutex; /* checkpoint procedure lock */ |
b873b798 | 1371 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
b3582c68 | 1372 | struct rw_semaphore node_write; /* locking node writes */ |
59c9081b | 1373 | struct rw_semaphore node_change; /* locking node change */ |
fb51b5ef | 1374 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1375 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1376 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
39a53e0c | 1377 | |
67298804 | 1378 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 | 1379 | |
50fa53ec CY |
1380 | spinlock_t fsync_node_lock; /* for node entry lock */ |
1381 | struct list_head fsync_node_list; /* node list head */ | |
1382 | unsigned int fsync_seg_id; /* sequence id */ | |
1383 | unsigned int fsync_node_num; /* number of node entries */ | |
1384 | ||
6451e041 | 1385 | /* for orphan inode, use 0'th array */ |
0d47c1ad | 1386 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1387 | |
c227f912 CY |
1388 | /* for inode management */ |
1389 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1390 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
040d2bb3 | 1391 | struct mutex flush_lock; /* for flush exclusion */ |
39a53e0c | 1392 | |
13054c54 CY |
1393 | /* for extent tree cache */ |
1394 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
5e8256ac | 1395 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1396 | struct list_head extent_list; /* lru list for shrinker */ |
1397 | spinlock_t extent_lock; /* locking extent lru list */ | |
7441ccef | 1398 | atomic_t total_ext_tree; /* extent tree count */ |
137d09f0 | 1399 | struct list_head zombie_list; /* extent zombie tree list */ |
74fd8d99 | 1400 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
13054c54 CY |
1401 | atomic_t total_ext_node; /* extent info count */ |
1402 | ||
e1c42045 | 1403 | /* basic filesystem units */ |
39a53e0c JK |
1404 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1405 | unsigned int log_blocksize; /* log2 block size */ | |
1406 | unsigned int blocksize; /* block size */ | |
1407 | unsigned int root_ino_num; /* root inode number*/ | |
1408 | unsigned int node_ino_num; /* node inode number*/ | |
1409 | unsigned int meta_ino_num; /* meta inode number*/ | |
1410 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1411 | unsigned int blocks_per_seg; /* blocks per segment */ | |
1412 | unsigned int segs_per_sec; /* segments per section */ | |
1413 | unsigned int secs_per_zone; /* sections per zone */ | |
1414 | unsigned int total_sections; /* total section count */ | |
04f0b2ea | 1415 | struct mutex resize_mutex; /* for resize exclusion */ |
39a53e0c JK |
1416 | unsigned int total_node_count; /* total node block count */ |
1417 | unsigned int total_valid_node_count; /* valid node block count */ | |
e0afc4d6 | 1418 | loff_t max_file_blocks; /* max block index of file */ |
ab9fa662 | 1419 | int dir_level; /* directory level */ |
f6df8f23 | 1420 | int readdir_ra; /* readahead inode in readdir */ |
39a53e0c JK |
1421 | |
1422 | block_t user_block_count; /* # of user blocks */ | |
1423 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1424 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1425 | block_t last_valid_block_count; /* for recovery */ |
daeb433e | 1426 | block_t reserved_blocks; /* configurable reserved blocks */ |
80d42145 | 1427 | block_t current_reserved_blocks; /* current reserved blocks */ |
daeb433e | 1428 | |
4354994f DR |
1429 | /* Additional tracking for no checkpoint mode */ |
1430 | block_t unusable_block_count; /* # of blocks saved by last cp */ | |
1431 | ||
292c196a | 1432 | unsigned int nquota_files; /* # of quota sysfile */ |
db6ec53b | 1433 | struct rw_semaphore quota_sem; /* blocking cp for flags */ |
292c196a | 1434 | |
523be8a6 | 1435 | /* # of pages, see count_type */ |
35782b23 | 1436 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1437 | /* # of allocated blocks */ |
1438 | struct percpu_counter alloc_valid_block_count; | |
39a53e0c | 1439 | |
687de7f1 | 1440 | /* writeback control */ |
c29fd0c0 | 1441 | atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ |
687de7f1 | 1442 | |
513c5f37 JK |
1443 | /* valid inode count */ |
1444 | struct percpu_counter total_valid_inode_count; | |
1445 | ||
39a53e0c JK |
1446 | struct f2fs_mount_info mount_opt; /* mount options */ |
1447 | ||
1448 | /* for cleaning operations */ | |
fb24fea7 CY |
1449 | struct rw_semaphore gc_lock; /* |
1450 | * semaphore for GC, avoid | |
1451 | * race between GC and GC or CP | |
1452 | */ | |
39a53e0c | 1453 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ |
5ec4e49f | 1454 | unsigned int cur_victim_sec; /* current victim section num */ |
5b0e9539 | 1455 | unsigned int gc_mode; /* current GC state */ |
e3080b01 | 1456 | unsigned int next_victim_seg[2]; /* next segment in victim section */ |
2ef79ecb | 1457 | /* for skip statistic */ |
677017d1 | 1458 | unsigned int atomic_files; /* # of opened atomic file */ |
2ef79ecb | 1459 | unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */ |
6f8d4455 | 1460 | unsigned long long skipped_gc_rwsem; /* FG_GC only */ |
39a53e0c | 1461 | |
1ad71a27 JK |
1462 | /* threshold for gc trials on pinned files */ |
1463 | u64 gc_pin_file_threshold; | |
f5a53edc | 1464 | struct rw_semaphore pin_sem; |
1ad71a27 | 1465 | |
b1c57c1c JK |
1466 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1467 | unsigned int max_victim_search; | |
e3080b01 CY |
1468 | /* migration granularity of garbage collection, unit: segment */ |
1469 | unsigned int migration_granularity; | |
b1c57c1c | 1470 | |
39a53e0c JK |
1471 | /* |
1472 | * for stat information. | |
1473 | * one is for the LFS mode, and the other is for the SSR mode. | |
1474 | */ | |
35b09d82 | 1475 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c | 1476 | struct f2fs_stat_info *stat_info; /* FS status information */ |
b63e7be5 | 1477 | atomic_t meta_count[META_MAX]; /* # of meta blocks */ |
39a53e0c JK |
1478 | unsigned int segment_count[2]; /* # of allocated segments */ |
1479 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1480 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1481 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1482 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1483 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1484 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1485 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1486 | atomic_t inline_inode; /* # of inline_data inodes */ |
1487 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
4c8ff709 CY |
1488 | atomic_t compr_inode; /* # of compressed inodes */ |
1489 | atomic_t compr_blocks; /* # of compressed blocks */ | |
648d50ba | 1490 | atomic_t vw_cnt; /* # of volatile writes */ |
26a28a0c | 1491 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
648d50ba | 1492 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
274bd9ba CY |
1493 | unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ |
1494 | unsigned int other_skip_bggc; /* skip background gc for other reasons */ | |
33fbd510 | 1495 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1496 | #endif |
39a53e0c | 1497 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1498 | |
b0af6d49 CY |
1499 | /* For app/fs IO statistics */ |
1500 | spinlock_t iostat_lock; | |
1501 | unsigned long long write_iostat[NR_IO_TYPE]; | |
1502 | bool iostat_enable; | |
1503 | ||
b59d0bae NJ |
1504 | /* For sysfs suppport */ |
1505 | struct kobject s_kobj; | |
1506 | struct completion s_kobj_unregister; | |
2658e50d JK |
1507 | |
1508 | /* For shrinker support */ | |
1509 | struct list_head s_list; | |
3c62be17 JK |
1510 | int s_ndevs; /* number of devices */ |
1511 | struct f2fs_dev_info *devs; /* for device list */ | |
1228b482 CY |
1512 | unsigned int dirty_device; /* for checkpoint data flush */ |
1513 | spinlock_t dev_lock; /* protect dirty_device */ | |
2658e50d JK |
1514 | struct mutex umount_mutex; |
1515 | unsigned int shrinker_run_no; | |
8f1dbbbb SL |
1516 | |
1517 | /* For write statistics */ | |
1518 | u64 sectors_written_start; | |
1519 | u64 kbytes_written; | |
43b6573b KM |
1520 | |
1521 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1522 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1523 | |
704956ec CY |
1524 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1525 | __u32 s_chksum_seed; | |
4c8ff709 CY |
1526 | |
1527 | struct workqueue_struct *post_read_wq; /* post read workqueue */ | |
a999150f CY |
1528 | |
1529 | struct kmem_cache *inline_xattr_slab; /* inline xattr entry */ | |
1530 | unsigned int inline_xattr_slab_size; /* default inline xattr slab size */ | |
39a53e0c JK |
1531 | }; |
1532 | ||
02b16d0a CY |
1533 | struct f2fs_private_dio { |
1534 | struct inode *inode; | |
1535 | void *orig_private; | |
1536 | bio_end_io_t *orig_end_io; | |
1537 | bool write; | |
1538 | }; | |
1539 | ||
1ecc0c5c | 1540 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
c45d6002 CY |
1541 | #define f2fs_show_injection_info(sbi, type) \ |
1542 | printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \ | |
1543 | KERN_INFO, sbi->sb->s_id, \ | |
1544 | f2fs_fault_name[type], \ | |
55523519 | 1545 | __func__, __builtin_return_address(0)) |
1ecc0c5c CY |
1546 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1547 | { | |
63189b78 | 1548 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c CY |
1549 | |
1550 | if (!ffi->inject_rate) | |
1551 | return false; | |
1552 | ||
1553 | if (!IS_FAULT_SET(ffi, type)) | |
1554 | return false; | |
1555 | ||
1556 | atomic_inc(&ffi->inject_ops); | |
1557 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1558 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1559 | return true; |
1560 | } | |
1561 | return false; | |
1562 | } | |
7fa750a1 | 1563 | #else |
c45d6002 | 1564 | #define f2fs_show_injection_info(sbi, type) do { } while (0) |
7fa750a1 AB |
1565 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1566 | { | |
1567 | return false; | |
1568 | } | |
1ecc0c5c CY |
1569 | #endif |
1570 | ||
0916878d DLM |
1571 | /* |
1572 | * Test if the mounted volume is a multi-device volume. | |
1573 | * - For a single regular disk volume, sbi->s_ndevs is 0. | |
1574 | * - For a single zoned disk volume, sbi->s_ndevs is 1. | |
1575 | * - For a multi-device volume, sbi->s_ndevs is always 2 or more. | |
1576 | */ | |
1577 | static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) | |
1578 | { | |
1579 | return sbi->s_ndevs > 1; | |
1580 | } | |
1581 | ||
8f1dbbbb SL |
1582 | /* For write statistics. Suppose sector size is 512 bytes, |
1583 | * and the return value is in kbytes. s is of struct f2fs_sb_info. | |
1584 | */ | |
1585 | #define BD_PART_WRITTEN(s) \ | |
dbae2c55 | 1586 | (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \ |
68afcf2d | 1587 | (s)->sectors_written_start) >> 1) |
8f1dbbbb | 1588 | |
6beceb54 JK |
1589 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1590 | { | |
a7d10cf3 ST |
1591 | unsigned long now = jiffies; |
1592 | ||
1593 | sbi->last_time[type] = now; | |
1594 | ||
1595 | /* DISCARD_TIME and GC_TIME are based on REQ_TIME */ | |
1596 | if (type == REQ_TIME) { | |
1597 | sbi->last_time[DISCARD_TIME] = now; | |
1598 | sbi->last_time[GC_TIME] = now; | |
1599 | } | |
6beceb54 JK |
1600 | } |
1601 | ||
1602 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1603 | { | |
6bccfa19 | 1604 | unsigned long interval = sbi->interval_time[type] * HZ; |
6beceb54 JK |
1605 | |
1606 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1607 | } | |
1608 | ||
a7d10cf3 ST |
1609 | static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi, |
1610 | int type) | |
1611 | { | |
1612 | unsigned long interval = sbi->interval_time[type] * HZ; | |
1613 | unsigned int wait_ms = 0; | |
1614 | long delta; | |
1615 | ||
1616 | delta = (sbi->last_time[type] + interval) - jiffies; | |
1617 | if (delta > 0) | |
1618 | wait_ms = jiffies_to_msecs(delta); | |
1619 | ||
1620 | return wait_ms; | |
1621 | } | |
1622 | ||
39a53e0c JK |
1623 | /* |
1624 | * Inline functions | |
1625 | */ | |
416d2dbb | 1626 | static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, |
704956ec CY |
1627 | const void *address, unsigned int length) |
1628 | { | |
1629 | struct { | |
1630 | struct shash_desc shash; | |
1631 | char ctx[4]; | |
1632 | } desc; | |
1633 | int err; | |
1634 | ||
1635 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1636 | ||
1637 | desc.shash.tfm = sbi->s_chksum_driver; | |
704956ec CY |
1638 | *(u32 *)desc.ctx = crc; |
1639 | ||
1640 | err = crypto_shash_update(&desc.shash, address, length); | |
1641 | BUG_ON(err); | |
1642 | ||
1643 | return *(u32 *)desc.ctx; | |
1644 | } | |
1645 | ||
416d2dbb CY |
1646 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1647 | unsigned int length) | |
1648 | { | |
1649 | return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); | |
1650 | } | |
1651 | ||
1652 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1653 | void *buf, size_t buf_size) | |
1654 | { | |
1655 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1656 | } | |
1657 | ||
1658 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, | |
1659 | const void *address, unsigned int length) | |
1660 | { | |
1661 | return __f2fs_crc32(sbi, crc, address, length); | |
1662 | } | |
1663 | ||
39a53e0c JK |
1664 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1665 | { | |
1666 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1667 | } | |
1668 | ||
1669 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1670 | { | |
1671 | return sb->s_fs_info; | |
1672 | } | |
1673 | ||
4081363f JK |
1674 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1675 | { | |
1676 | return F2FS_SB(inode->i_sb); | |
1677 | } | |
1678 | ||
1679 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1680 | { | |
1681 | return F2FS_I_SB(mapping->host); | |
1682 | } | |
1683 | ||
1684 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1685 | { | |
4969c06a | 1686 | return F2FS_M_SB(page_file_mapping(page)); |
4081363f JK |
1687 | } |
1688 | ||
39a53e0c JK |
1689 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
1690 | { | |
1691 | return (struct f2fs_super_block *)(sbi->raw_super); | |
1692 | } | |
1693 | ||
1694 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
1695 | { | |
1696 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
1697 | } | |
1698 | ||
45590710 GZ |
1699 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
1700 | { | |
1701 | return (struct f2fs_node *)page_address(page); | |
1702 | } | |
1703 | ||
58bfaf44 JK |
1704 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
1705 | { | |
1706 | return &((struct f2fs_node *)page_address(page))->i; | |
1707 | } | |
1708 | ||
39a53e0c JK |
1709 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
1710 | { | |
1711 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
1712 | } | |
1713 | ||
1714 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
1715 | { | |
1716 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
1717 | } | |
1718 | ||
1719 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
1720 | { | |
1721 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
1722 | } | |
1723 | ||
1724 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
1725 | { | |
1726 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
1727 | } | |
1728 | ||
1729 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
1730 | { | |
1731 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
1732 | } | |
1733 | ||
9df27d98 GZ |
1734 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
1735 | { | |
1736 | return sbi->meta_inode->i_mapping; | |
1737 | } | |
1738 | ||
4ef51a8f JK |
1739 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
1740 | { | |
1741 | return sbi->node_inode->i_mapping; | |
1742 | } | |
1743 | ||
caf0047e CY |
1744 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
1745 | { | |
fadb2fb8 | 1746 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
1747 | } |
1748 | ||
1749 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 1750 | { |
fadb2fb8 | 1751 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
1752 | } |
1753 | ||
caf0047e | 1754 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 1755 | { |
fadb2fb8 | 1756 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
1757 | } |
1758 | ||
d71b5564 JK |
1759 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
1760 | { | |
1761 | return le64_to_cpu(cp->checkpoint_ver); | |
1762 | } | |
1763 | ||
ea676733 JK |
1764 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
1765 | { | |
1766 | if (type < F2FS_MAX_QUOTAS) | |
1767 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
1768 | return 0; | |
1769 | } | |
1770 | ||
ced2c7ea KM |
1771 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
1772 | { | |
1773 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
1774 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
1775 | } | |
1776 | ||
aaec2b1d | 1777 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
1778 | { |
1779 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 1780 | |
25ca923b JK |
1781 | return ckpt_flags & f; |
1782 | } | |
1783 | ||
aaec2b1d | 1784 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1785 | { |
aaec2b1d CY |
1786 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
1787 | } | |
1788 | ||
1789 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1790 | { | |
1791 | unsigned int ckpt_flags; | |
1792 | ||
1793 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1794 | ckpt_flags |= f; |
1795 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1796 | } | |
1797 | ||
aaec2b1d | 1798 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1799 | { |
d1aa2453 CY |
1800 | unsigned long flags; |
1801 | ||
1802 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1803 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1804 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1805 | } |
1806 | ||
1807 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1808 | { | |
1809 | unsigned int ckpt_flags; | |
1810 | ||
1811 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1812 | ckpt_flags &= (~f); |
1813 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1814 | } | |
1815 | ||
aaec2b1d CY |
1816 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
1817 | { | |
d1aa2453 CY |
1818 | unsigned long flags; |
1819 | ||
1820 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1821 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1822 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1823 | } |
1824 | ||
22ad0b6a JK |
1825 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) |
1826 | { | |
d1aa2453 | 1827 | unsigned long flags; |
0921835c | 1828 | unsigned char *nat_bits; |
d1aa2453 | 1829 | |
a742fd41 JK |
1830 | /* |
1831 | * In order to re-enable nat_bits we need to call fsck.f2fs by | |
1832 | * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost, | |
1833 | * so let's rely on regular fsck or unclean shutdown. | |
1834 | */ | |
22ad0b6a JK |
1835 | |
1836 | if (lock) | |
d1aa2453 | 1837 | spin_lock_irqsave(&sbi->cp_lock, flags); |
22ad0b6a | 1838 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); |
0921835c | 1839 | nat_bits = NM_I(sbi)->nat_bits; |
22ad0b6a JK |
1840 | NM_I(sbi)->nat_bits = NULL; |
1841 | if (lock) | |
d1aa2453 | 1842 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
0921835c CY |
1843 | |
1844 | kvfree(nat_bits); | |
22ad0b6a JK |
1845 | } |
1846 | ||
1847 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, | |
1848 | struct cp_control *cpc) | |
1849 | { | |
1850 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); | |
1851 | ||
c473f1a9 | 1852 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; |
22ad0b6a JK |
1853 | } |
1854 | ||
e479556b | 1855 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 1856 | { |
b873b798 | 1857 | down_read(&sbi->cp_rwsem); |
39936837 JK |
1858 | } |
1859 | ||
cc15620b JK |
1860 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
1861 | { | |
1862 | return down_read_trylock(&sbi->cp_rwsem); | |
1863 | } | |
1864 | ||
e479556b | 1865 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 1866 | { |
b873b798 | 1867 | up_read(&sbi->cp_rwsem); |
39a53e0c JK |
1868 | } |
1869 | ||
e479556b | 1870 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 1871 | { |
b873b798 | 1872 | down_write(&sbi->cp_rwsem); |
39936837 JK |
1873 | } |
1874 | ||
e479556b | 1875 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 1876 | { |
b873b798 | 1877 | up_write(&sbi->cp_rwsem); |
39a53e0c JK |
1878 | } |
1879 | ||
119ee914 JK |
1880 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
1881 | { | |
1882 | int reason = CP_SYNC; | |
1883 | ||
1884 | if (test_opt(sbi, FASTBOOT)) | |
1885 | reason = CP_FASTBOOT; | |
1886 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
1887 | reason = CP_UMOUNT; | |
1888 | return reason; | |
1889 | } | |
1890 | ||
1891 | static inline bool __remain_node_summaries(int reason) | |
1892 | { | |
c473f1a9 | 1893 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
1894 | } |
1895 | ||
1896 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
1897 | { | |
aaec2b1d CY |
1898 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
1899 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
1900 | } |
1901 | ||
39a53e0c JK |
1902 | /* |
1903 | * Check whether the inode has blocks or not | |
1904 | */ | |
1905 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
1906 | { | |
0eb0adad CY |
1907 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
1908 | ||
000519f2 | 1909 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
1910 | } |
1911 | ||
4bc8e9bc CY |
1912 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
1913 | { | |
1914 | return ofs == XATTR_NODE_OFFSET; | |
1915 | } | |
1916 | ||
d8a9a229 | 1917 | static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, |
a90a0884 | 1918 | struct inode *inode, bool cap) |
7c2e5963 | 1919 | { |
d8a9a229 JK |
1920 | if (!inode) |
1921 | return true; | |
7c2e5963 JK |
1922 | if (!test_opt(sbi, RESERVE_ROOT)) |
1923 | return false; | |
d8a9a229 JK |
1924 | if (IS_NOQUOTA(inode)) |
1925 | return true; | |
63189b78 | 1926 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) |
7c2e5963 | 1927 | return true; |
63189b78 CY |
1928 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && |
1929 | in_group_p(F2FS_OPTION(sbi).s_resgid)) | |
7c2e5963 | 1930 | return true; |
a90a0884 | 1931 | if (cap && capable(CAP_SYS_RESOURCE)) |
162b27ae | 1932 | return true; |
7c2e5963 JK |
1933 | return false; |
1934 | } | |
1935 | ||
0abd675e CY |
1936 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
1937 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 1938 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 1939 | { |
0abd675e | 1940 | blkcnt_t diff = 0, release = 0; |
daeb433e | 1941 | block_t avail_user_block_count; |
0abd675e CY |
1942 | int ret; |
1943 | ||
1944 | ret = dquot_reserve_block(inode, *count); | |
1945 | if (ret) | |
1946 | return ret; | |
39a53e0c | 1947 | |
55523519 | 1948 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 1949 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
0abd675e | 1950 | release = *count; |
9ea2f0be | 1951 | goto release_quota; |
55523519 | 1952 | } |
7fa750a1 | 1953 | |
dd11a5df JK |
1954 | /* |
1955 | * let's increase this in prior to actual block count change in order | |
1956 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
1957 | */ | |
1958 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
1959 | ||
2555a2d5 JK |
1960 | spin_lock(&sbi->stat_lock); |
1961 | sbi->total_valid_block_count += (block_t)(*count); | |
80d42145 YS |
1962 | avail_user_block_count = sbi->user_block_count - |
1963 | sbi->current_reserved_blocks; | |
7e65be49 | 1964 | |
a90a0884 | 1965 | if (!__allow_reserved_blocks(sbi, inode, true)) |
63189b78 | 1966 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; |
a4c3ecaa DR |
1967 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { |
1968 | if (avail_user_block_count > sbi->unusable_block_count) | |
1969 | avail_user_block_count -= sbi->unusable_block_count; | |
1970 | else | |
1971 | avail_user_block_count = 0; | |
1972 | } | |
daeb433e CY |
1973 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
1974 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
7e65be49 JK |
1975 | if (diff > *count) |
1976 | diff = *count; | |
dd11a5df | 1977 | *count -= diff; |
0abd675e | 1978 | release = diff; |
7e65be49 | 1979 | sbi->total_valid_block_count -= diff; |
46008c6d CY |
1980 | if (!*count) { |
1981 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 1982 | goto enospc; |
46008c6d | 1983 | } |
39a53e0c | 1984 | } |
39a53e0c | 1985 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 1986 | |
36b877af DR |
1987 | if (unlikely(release)) { |
1988 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); | |
0abd675e | 1989 | dquot_release_reservation_block(inode, release); |
36b877af | 1990 | } |
0abd675e CY |
1991 | f2fs_i_blocks_write(inode, *count, true, true); |
1992 | return 0; | |
1993 | ||
1994 | enospc: | |
36b877af | 1995 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); |
9ea2f0be | 1996 | release_quota: |
0abd675e CY |
1997 | dquot_release_reservation_block(inode, release); |
1998 | return -ENOSPC; | |
39a53e0c JK |
1999 | } |
2000 | ||
dcbb4c10 JP |
2001 | __printf(2, 3) |
2002 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...); | |
2003 | ||
2004 | #define f2fs_err(sbi, fmt, ...) \ | |
2005 | f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__) | |
2006 | #define f2fs_warn(sbi, fmt, ...) \ | |
2007 | f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__) | |
2008 | #define f2fs_notice(sbi, fmt, ...) \ | |
2009 | f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__) | |
2010 | #define f2fs_info(sbi, fmt, ...) \ | |
2011 | f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__) | |
2012 | #define f2fs_debug(sbi, fmt, ...) \ | |
2013 | f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__) | |
2014 | ||
da19b0dc | 2015 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 2016 | struct inode *inode, |
0eb0adad | 2017 | block_t count) |
39a53e0c | 2018 | { |
0eb0adad CY |
2019 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
2020 | ||
39a53e0c | 2021 | spin_lock(&sbi->stat_lock); |
9850cf4a | 2022 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
39a53e0c | 2023 | sbi->total_valid_block_count -= (block_t)count; |
80d42145 YS |
2024 | if (sbi->reserved_blocks && |
2025 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2026 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
2027 | sbi->current_reserved_blocks + count); | |
39a53e0c | 2028 | spin_unlock(&sbi->stat_lock); |
5e159cd3 | 2029 | if (unlikely(inode->i_blocks < sectors)) { |
dcbb4c10 JP |
2030 | f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu", |
2031 | inode->i_ino, | |
2032 | (unsigned long long)inode->i_blocks, | |
2033 | (unsigned long long)sectors); | |
5e159cd3 CY |
2034 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2035 | return; | |
2036 | } | |
0abd675e | 2037 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
2038 | } |
2039 | ||
2040 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2041 | { | |
35782b23 | 2042 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 2043 | |
20109873 CY |
2044 | if (count_type == F2FS_DIRTY_DENTS || |
2045 | count_type == F2FS_DIRTY_NODES || | |
2046 | count_type == F2FS_DIRTY_META || | |
2047 | count_type == F2FS_DIRTY_QDATA || | |
2048 | count_type == F2FS_DIRTY_IMETA) | |
2049 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
39a53e0c JK |
2050 | } |
2051 | ||
a7ffdbe2 | 2052 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 2053 | { |
204706c7 | 2054 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2055 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2056 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2057 | if (IS_NOQUOTA(inode)) |
2058 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2059 | } |
2060 | ||
2061 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2062 | { | |
35782b23 | 2063 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2064 | } |
2065 | ||
a7ffdbe2 | 2066 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 2067 | { |
5ac9f36f CY |
2068 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
2069 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
2070 | return; |
2071 | ||
204706c7 | 2072 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2073 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2074 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2075 | if (IS_NOQUOTA(inode)) |
2076 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2077 | } |
2078 | ||
523be8a6 | 2079 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 2080 | { |
35782b23 | 2081 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2082 | } |
2083 | ||
204706c7 | 2084 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 2085 | { |
204706c7 | 2086 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
2087 | } |
2088 | ||
5ac206cf NJ |
2089 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
2090 | { | |
3519e3f9 | 2091 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
2092 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
2093 | sbi->log_blocks_per_seg; | |
2094 | ||
2095 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
2096 | } |
2097 | ||
39a53e0c JK |
2098 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
2099 | { | |
8b8343fa | 2100 | return sbi->total_valid_block_count; |
39a53e0c JK |
2101 | } |
2102 | ||
f83a2584 YH |
2103 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
2104 | { | |
2105 | return sbi->discard_blks; | |
2106 | } | |
2107 | ||
39a53e0c JK |
2108 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
2109 | { | |
2110 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2111 | ||
2112 | /* return NAT or SIT bitmap */ | |
2113 | if (flag == NAT_BITMAP) | |
2114 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
2115 | else if (flag == SIT_BITMAP) | |
2116 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
2117 | ||
2118 | return 0; | |
2119 | } | |
2120 | ||
55141486 WL |
2121 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
2122 | { | |
2123 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
2124 | } | |
2125 | ||
39a53e0c JK |
2126 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
2127 | { | |
2128 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1dbe4152 CL |
2129 | int offset; |
2130 | ||
199bc3fe CY |
2131 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { |
2132 | offset = (flag == SIT_BITMAP) ? | |
2133 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; | |
b471eb99 CY |
2134 | /* |
2135 | * if large_nat_bitmap feature is enabled, leave checksum | |
2136 | * protection for all nat/sit bitmaps. | |
2137 | */ | |
2138 | return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32); | |
199bc3fe CY |
2139 | } |
2140 | ||
55141486 | 2141 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
2142 | if (flag == NAT_BITMAP) |
2143 | return &ckpt->sit_nat_version_bitmap; | |
2144 | else | |
65b85ccc | 2145 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
2146 | } else { |
2147 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 2148 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
1dbe4152 CL |
2149 | return &ckpt->sit_nat_version_bitmap + offset; |
2150 | } | |
39a53e0c JK |
2151 | } |
2152 | ||
2153 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
2154 | { | |
8508e44a | 2155 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 2156 | |
8508e44a | 2157 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 2158 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
2159 | return start_addr; |
2160 | } | |
39a53e0c | 2161 | |
8508e44a JK |
2162 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
2163 | { | |
2164 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 2165 | |
8508e44a JK |
2166 | if (sbi->cur_cp_pack == 1) |
2167 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
2168 | return start_addr; |
2169 | } | |
2170 | ||
8508e44a JK |
2171 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
2172 | { | |
2173 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
2174 | } | |
2175 | ||
39a53e0c JK |
2176 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
2177 | { | |
2178 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
2179 | } | |
2180 | ||
0abd675e | 2181 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 2182 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2183 | { |
2184 | block_t valid_block_count; | |
a4c3ecaa | 2185 | unsigned int valid_node_count, user_block_count; |
af033b2a | 2186 | int err; |
0abd675e | 2187 | |
af033b2a CY |
2188 | if (is_inode) { |
2189 | if (inode) { | |
2190 | err = dquot_alloc_inode(inode); | |
2191 | if (err) | |
2192 | return err; | |
2193 | } | |
2194 | } else { | |
2195 | err = dquot_reserve_block(inode, 1); | |
2196 | if (err) | |
2197 | return err; | |
0abd675e | 2198 | } |
39a53e0c | 2199 | |
812c6056 | 2200 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 2201 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
812c6056 CY |
2202 | goto enospc; |
2203 | } | |
812c6056 | 2204 | |
39a53e0c JK |
2205 | spin_lock(&sbi->stat_lock); |
2206 | ||
7e65be49 JK |
2207 | valid_block_count = sbi->total_valid_block_count + |
2208 | sbi->current_reserved_blocks + 1; | |
2209 | ||
a90a0884 | 2210 | if (!__allow_reserved_blocks(sbi, inode, false)) |
63189b78 | 2211 | valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; |
a4c3ecaa | 2212 | user_block_count = sbi->user_block_count; |
4354994f | 2213 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
a4c3ecaa | 2214 | user_block_count -= sbi->unusable_block_count; |
7e65be49 | 2215 | |
a4c3ecaa | 2216 | if (unlikely(valid_block_count > user_block_count)) { |
39a53e0c | 2217 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2218 | goto enospc; |
39a53e0c JK |
2219 | } |
2220 | ||
ef86d709 | 2221 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 2222 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 2223 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2224 | goto enospc; |
39a53e0c JK |
2225 | } |
2226 | ||
ef86d709 GZ |
2227 | sbi->total_valid_node_count++; |
2228 | sbi->total_valid_block_count++; | |
39a53e0c JK |
2229 | spin_unlock(&sbi->stat_lock); |
2230 | ||
000519f2 CY |
2231 | if (inode) { |
2232 | if (is_inode) | |
2233 | f2fs_mark_inode_dirty_sync(inode, true); | |
2234 | else | |
0abd675e | 2235 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 2236 | } |
ef86d709 | 2237 | |
41382ec4 | 2238 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
2239 | return 0; |
2240 | ||
2241 | enospc: | |
af033b2a CY |
2242 | if (is_inode) { |
2243 | if (inode) | |
2244 | dquot_free_inode(inode); | |
2245 | } else { | |
0abd675e | 2246 | dquot_release_reservation_block(inode, 1); |
af033b2a | 2247 | } |
0abd675e | 2248 | return -ENOSPC; |
39a53e0c JK |
2249 | } |
2250 | ||
2251 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 2252 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2253 | { |
2254 | spin_lock(&sbi->stat_lock); | |
2255 | ||
9850cf4a JK |
2256 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
2257 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); | |
39a53e0c | 2258 | |
ef86d709 GZ |
2259 | sbi->total_valid_node_count--; |
2260 | sbi->total_valid_block_count--; | |
80d42145 YS |
2261 | if (sbi->reserved_blocks && |
2262 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2263 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
2264 | |
2265 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2266 | |
ea6d7e72 | 2267 | if (is_inode) { |
af033b2a | 2268 | dquot_free_inode(inode); |
ea6d7e72 CY |
2269 | } else { |
2270 | if (unlikely(inode->i_blocks == 0)) { | |
097a7686 | 2271 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu", |
dcbb4c10 JP |
2272 | inode->i_ino, |
2273 | (unsigned long long)inode->i_blocks); | |
ea6d7e72 CY |
2274 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2275 | return; | |
2276 | } | |
0abd675e | 2277 | f2fs_i_blocks_write(inode, 1, false, true); |
ea6d7e72 | 2278 | } |
39a53e0c JK |
2279 | } |
2280 | ||
2281 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
2282 | { | |
8b8343fa | 2283 | return sbi->total_valid_node_count; |
39a53e0c JK |
2284 | } |
2285 | ||
2286 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
2287 | { | |
513c5f37 | 2288 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
2289 | } |
2290 | ||
0e80220a | 2291 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2292 | { |
513c5f37 | 2293 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
2294 | } |
2295 | ||
513c5f37 | 2296 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2297 | { |
513c5f37 | 2298 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
2299 | } |
2300 | ||
a56c7c6f JK |
2301 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
2302 | pgoff_t index, bool for_write) | |
2303 | { | |
82cf4f13 | 2304 | struct page *page; |
cac5a3d8 | 2305 | |
7fa750a1 AB |
2306 | if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) { |
2307 | if (!for_write) | |
2308 | page = find_get_page_flags(mapping, index, | |
2309 | FGP_LOCK | FGP_ACCESSED); | |
2310 | else | |
2311 | page = find_lock_page(mapping, index); | |
2312 | if (page) | |
2313 | return page; | |
c41f3cc3 | 2314 | |
7fa750a1 | 2315 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
c45d6002 CY |
2316 | f2fs_show_injection_info(F2FS_M_SB(mapping), |
2317 | FAULT_PAGE_ALLOC); | |
7fa750a1 AB |
2318 | return NULL; |
2319 | } | |
55523519 | 2320 | } |
7fa750a1 | 2321 | |
a56c7c6f JK |
2322 | if (!for_write) |
2323 | return grab_cache_page(mapping, index); | |
2324 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); | |
2325 | } | |
2326 | ||
01eccef7 CY |
2327 | static inline struct page *f2fs_pagecache_get_page( |
2328 | struct address_space *mapping, pgoff_t index, | |
2329 | int fgp_flags, gfp_t gfp_mask) | |
2330 | { | |
01eccef7 | 2331 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { |
c45d6002 | 2332 | f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET); |
01eccef7 CY |
2333 | return NULL; |
2334 | } | |
7fa750a1 | 2335 | |
01eccef7 CY |
2336 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); |
2337 | } | |
2338 | ||
6e2c64ad JK |
2339 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
2340 | { | |
2341 | char *src_kaddr = kmap(src); | |
2342 | char *dst_kaddr = kmap(dst); | |
2343 | ||
2344 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); | |
2345 | kunmap(dst); | |
2346 | kunmap(src); | |
2347 | } | |
2348 | ||
39a53e0c JK |
2349 | static inline void f2fs_put_page(struct page *page, int unlock) |
2350 | { | |
031fa8cc | 2351 | if (!page) |
39a53e0c JK |
2352 | return; |
2353 | ||
2354 | if (unlock) { | |
9850cf4a | 2355 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
2356 | unlock_page(page); |
2357 | } | |
09cbfeaf | 2358 | put_page(page); |
39a53e0c JK |
2359 | } |
2360 | ||
2361 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
2362 | { | |
2363 | if (dn->node_page) | |
2364 | f2fs_put_page(dn->node_page, 1); | |
2365 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
2366 | f2fs_put_page(dn->inode_page, 0); | |
2367 | dn->node_page = NULL; | |
2368 | dn->inode_page = NULL; | |
2369 | } | |
2370 | ||
2371 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 2372 | size_t size) |
39a53e0c | 2373 | { |
e8512d2e | 2374 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
2375 | } |
2376 | ||
7bd59381 GZ |
2377 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
2378 | gfp_t flags) | |
2379 | { | |
2380 | void *entry; | |
7bd59381 | 2381 | |
80c54505 JK |
2382 | entry = kmem_cache_alloc(cachep, flags); |
2383 | if (!entry) | |
2384 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
2385 | return entry; |
2386 | } | |
2387 | ||
5f9abab4 JK |
2388 | static inline bool is_idle(struct f2fs_sb_info *sbi, int type) |
2389 | { | |
f7dfd9f3 PJH |
2390 | if (sbi->gc_mode == GC_URGENT) |
2391 | return true; | |
2392 | ||
5f9abab4 JK |
2393 | if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) || |
2394 | get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) || | |
fef4129e CY |
2395 | get_pages(sbi, F2FS_WB_CP_DATA) || |
2396 | get_pages(sbi, F2FS_DIO_READ) || | |
11ac8ef8 | 2397 | get_pages(sbi, F2FS_DIO_WRITE)) |
5f9abab4 | 2398 | return false; |
11ac8ef8 | 2399 | |
56659ce8 | 2400 | if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info && |
11ac8ef8 JK |
2401 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard)) |
2402 | return false; | |
2403 | ||
2404 | if (SM_I(sbi) && SM_I(sbi)->fcc_info && | |
2405 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush)) | |
2406 | return false; | |
2407 | ||
5f9abab4 JK |
2408 | return f2fs_time_over(sbi, type); |
2409 | } | |
2410 | ||
9be32d72 JK |
2411 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
2412 | unsigned long index, void *item) | |
2413 | { | |
2414 | while (radix_tree_insert(root, index, item)) | |
2415 | cond_resched(); | |
2416 | } | |
2417 | ||
39a53e0c JK |
2418 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
2419 | ||
2420 | static inline bool IS_INODE(struct page *page) | |
2421 | { | |
45590710 | 2422 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 2423 | |
39a53e0c JK |
2424 | return RAW_IS_INODE(p); |
2425 | } | |
2426 | ||
7a2af766 CY |
2427 | static inline int offset_in_addr(struct f2fs_inode *i) |
2428 | { | |
2429 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
2430 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
2431 | } | |
2432 | ||
39a53e0c JK |
2433 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
2434 | { | |
2435 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
2436 | } | |
2437 | ||
7a2af766 | 2438 | static inline int f2fs_has_extra_attr(struct inode *inode); |
a2ced1ce | 2439 | static inline block_t data_blkaddr(struct inode *inode, |
7a2af766 | 2440 | struct page *node_page, unsigned int offset) |
39a53e0c JK |
2441 | { |
2442 | struct f2fs_node *raw_node; | |
2443 | __le32 *addr_array; | |
7a2af766 CY |
2444 | int base = 0; |
2445 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 2446 | |
45590710 | 2447 | raw_node = F2FS_NODE(node_page); |
7a2af766 | 2448 | |
979f492f L |
2449 | if (is_inode) { |
2450 | if (!inode) | |
7a88ddb5 | 2451 | /* from GC path only */ |
7a2af766 | 2452 | base = offset_in_addr(&raw_node->i); |
979f492f L |
2453 | else if (f2fs_has_extra_attr(inode)) |
2454 | base = get_extra_isize(inode); | |
7a2af766 CY |
2455 | } |
2456 | ||
39a53e0c | 2457 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 2458 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
2459 | } |
2460 | ||
a2ced1ce CY |
2461 | static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn) |
2462 | { | |
2463 | return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node); | |
2464 | } | |
2465 | ||
39a53e0c JK |
2466 | static inline int f2fs_test_bit(unsigned int nr, char *addr) |
2467 | { | |
2468 | int mask; | |
2469 | ||
2470 | addr += (nr >> 3); | |
2471 | mask = 1 << (7 - (nr & 0x07)); | |
2472 | return mask & *addr; | |
2473 | } | |
2474 | ||
a66cdd98 JK |
2475 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
2476 | { | |
2477 | int mask; | |
2478 | ||
2479 | addr += (nr >> 3); | |
2480 | mask = 1 << (7 - (nr & 0x07)); | |
2481 | *addr |= mask; | |
2482 | } | |
2483 | ||
2484 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2485 | { | |
2486 | int mask; | |
2487 | ||
2488 | addr += (nr >> 3); | |
2489 | mask = 1 << (7 - (nr & 0x07)); | |
2490 | *addr &= ~mask; | |
2491 | } | |
2492 | ||
52aca074 | 2493 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2494 | { |
2495 | int mask; | |
2496 | int ret; | |
2497 | ||
2498 | addr += (nr >> 3); | |
2499 | mask = 1 << (7 - (nr & 0x07)); | |
2500 | ret = mask & *addr; | |
2501 | *addr |= mask; | |
2502 | return ret; | |
2503 | } | |
2504 | ||
52aca074 | 2505 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2506 | { |
2507 | int mask; | |
2508 | int ret; | |
2509 | ||
2510 | addr += (nr >> 3); | |
2511 | mask = 1 << (7 - (nr & 0x07)); | |
2512 | ret = mask & *addr; | |
2513 | *addr &= ~mask; | |
2514 | return ret; | |
2515 | } | |
2516 | ||
c6ac4c0e GZ |
2517 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
2518 | { | |
2519 | int mask; | |
2520 | ||
2521 | addr += (nr >> 3); | |
2522 | mask = 1 << (7 - (nr & 0x07)); | |
2523 | *addr ^= mask; | |
2524 | } | |
2525 | ||
59c84408 | 2526 | /* |
36098557 | 2527 | * On-disk inode flags (f2fs_inode::i_flags) |
59c84408 | 2528 | */ |
4c8ff709 | 2529 | #define F2FS_COMPR_FL 0x00000004 /* Compress file */ |
59c84408 CY |
2530 | #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */ |
2531 | #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ | |
2532 | #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */ | |
2533 | #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */ | |
2534 | #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */ | |
4c8ff709 | 2535 | #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */ |
59c84408 | 2536 | #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */ |
59c84408 | 2537 | #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ |
59c84408 | 2538 | #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ |
2c2eb7a3 | 2539 | #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */ |
59c84408 CY |
2540 | |
2541 | /* Flags that should be inherited by new inodes from their parent. */ | |
36098557 | 2542 | #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \ |
2c2eb7a3 | 2543 | F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
4c8ff709 | 2544 | F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL) |
59c84408 CY |
2545 | |
2546 | /* Flags that are appropriate for regular files (all but dir-specific ones). */ | |
2c2eb7a3 DR |
2547 | #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
2548 | F2FS_CASEFOLD_FL)) | |
59c84408 CY |
2549 | |
2550 | /* Flags that are appropriate for non-directories/regular files. */ | |
2551 | #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL) | |
5c57132e CY |
2552 | |
2553 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2554 | { | |
2555 | if (S_ISDIR(mode)) | |
2556 | return flags; | |
2557 | else if (S_ISREG(mode)) | |
2558 | return flags & F2FS_REG_FLMASK; | |
2559 | else | |
2560 | return flags & F2FS_OTHER_FLMASK; | |
2561 | } | |
2562 | ||
205b9822 JK |
2563 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2564 | int flag, bool set) | |
2565 | { | |
2566 | switch (flag) { | |
2567 | case FI_INLINE_XATTR: | |
2568 | case FI_INLINE_DATA: | |
2569 | case FI_INLINE_DENTRY: | |
9ac1e2d8 | 2570 | case FI_NEW_INODE: |
205b9822 JK |
2571 | if (set) |
2572 | return; | |
f5d5510e | 2573 | /* fall through */ |
205b9822 JK |
2574 | case FI_DATA_EXIST: |
2575 | case FI_INLINE_DOTS: | |
1ad71a27 | 2576 | case FI_PIN_FILE: |
7c45729a | 2577 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2578 | } |
2579 | } | |
2580 | ||
91942321 | 2581 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2582 | { |
7653b9d8 | 2583 | test_and_set_bit(flag, F2FS_I(inode)->flags); |
205b9822 | 2584 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
2585 | } |
2586 | ||
91942321 | 2587 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 2588 | { |
7653b9d8 | 2589 | return test_bit(flag, F2FS_I(inode)->flags); |
39a53e0c JK |
2590 | } |
2591 | ||
91942321 | 2592 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2593 | { |
7653b9d8 | 2594 | test_and_clear_bit(flag, F2FS_I(inode)->flags); |
205b9822 | 2595 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
2596 | } |
2597 | ||
95ae251f EB |
2598 | static inline bool f2fs_verity_in_progress(struct inode *inode) |
2599 | { | |
2600 | return IS_ENABLED(CONFIG_FS_VERITY) && | |
2601 | is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS); | |
2602 | } | |
2603 | ||
91942321 | 2604 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 2605 | { |
91942321 JK |
2606 | F2FS_I(inode)->i_acl_mode = mode; |
2607 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 2608 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
2609 | } |
2610 | ||
a1961246 | 2611 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 2612 | { |
a1961246 JK |
2613 | if (inc) |
2614 | inc_nlink(inode); | |
2615 | else | |
2616 | drop_nlink(inode); | |
7c45729a | 2617 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
2618 | } |
2619 | ||
8edd03c8 | 2620 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 2621 | block_t diff, bool add, bool claim) |
8edd03c8 | 2622 | { |
26de9b11 JK |
2623 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2624 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2625 | ||
0abd675e CY |
2626 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
2627 | if (add) { | |
2628 | if (claim) | |
2629 | dquot_claim_block(inode, diff); | |
2630 | else | |
2631 | dquot_alloc_block_nofail(inode, diff); | |
2632 | } else { | |
2633 | dquot_free_block(inode, diff); | |
2634 | } | |
2635 | ||
7c45729a | 2636 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2637 | if (clean || recover) |
2638 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
2639 | } |
2640 | ||
fc9581c8 JK |
2641 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
2642 | { | |
26de9b11 JK |
2643 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2644 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2645 | ||
fc9581c8 JK |
2646 | if (i_size_read(inode) == i_size) |
2647 | return; | |
2648 | ||
2649 | i_size_write(inode, i_size); | |
7c45729a | 2650 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2651 | if (clean || recover) |
2652 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2653 | } |
2654 | ||
205b9822 | 2655 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 2656 | { |
205b9822 | 2657 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 2658 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2659 | } |
2660 | ||
1ad71a27 JK |
2661 | static inline void f2fs_i_gc_failures_write(struct inode *inode, |
2662 | unsigned int count) | |
2663 | { | |
2ef79ecb | 2664 | F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count; |
1ad71a27 JK |
2665 | f2fs_mark_inode_dirty_sync(inode, true); |
2666 | } | |
2667 | ||
205b9822 | 2668 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 2669 | { |
205b9822 | 2670 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 2671 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2672 | } |
2673 | ||
2674 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
2675 | { | |
2676 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 2677 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2678 | } |
2679 | ||
91942321 | 2680 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 2681 | { |
205b9822 JK |
2682 | struct f2fs_inode_info *fi = F2FS_I(inode); |
2683 | ||
444c580f | 2684 | if (ri->i_inline & F2FS_INLINE_XATTR) |
7653b9d8 | 2685 | set_bit(FI_INLINE_XATTR, fi->flags); |
1001b347 | 2686 | if (ri->i_inline & F2FS_INLINE_DATA) |
7653b9d8 | 2687 | set_bit(FI_INLINE_DATA, fi->flags); |
34d67deb | 2688 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
7653b9d8 | 2689 | set_bit(FI_INLINE_DENTRY, fi->flags); |
b3d208f9 | 2690 | if (ri->i_inline & F2FS_DATA_EXIST) |
7653b9d8 | 2691 | set_bit(FI_DATA_EXIST, fi->flags); |
510022a8 | 2692 | if (ri->i_inline & F2FS_INLINE_DOTS) |
7653b9d8 | 2693 | set_bit(FI_INLINE_DOTS, fi->flags); |
7a2af766 | 2694 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
7653b9d8 | 2695 | set_bit(FI_EXTRA_ATTR, fi->flags); |
1ad71a27 | 2696 | if (ri->i_inline & F2FS_PIN_FILE) |
7653b9d8 | 2697 | set_bit(FI_PIN_FILE, fi->flags); |
444c580f JK |
2698 | } |
2699 | ||
91942321 | 2700 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
2701 | { |
2702 | ri->i_inline = 0; | |
2703 | ||
91942321 | 2704 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 2705 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 2706 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 2707 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 2708 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 2709 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 2710 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 2711 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 2712 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 2713 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
2714 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
2715 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
1ad71a27 JK |
2716 | if (is_inode_flag_set(inode, FI_PIN_FILE)) |
2717 | ri->i_inline |= F2FS_PIN_FILE; | |
7a2af766 CY |
2718 | } |
2719 | ||
2720 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
2721 | { | |
2722 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
2723 | } |
2724 | ||
987c7c31 CY |
2725 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
2726 | { | |
91942321 | 2727 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
2728 | } |
2729 | ||
4c8ff709 CY |
2730 | static inline int f2fs_compressed_file(struct inode *inode) |
2731 | { | |
2732 | return S_ISREG(inode->i_mode) && | |
2733 | is_inode_flag_set(inode, FI_COMPRESSED_FILE); | |
2734 | } | |
2735 | ||
81ca7350 | 2736 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 2737 | { |
d02a6e61 CY |
2738 | unsigned int addrs = CUR_ADDRS_PER_INODE(inode) - |
2739 | get_inline_xattr_addrs(inode); | |
4c8ff709 CY |
2740 | |
2741 | if (!f2fs_compressed_file(inode)) | |
2742 | return addrs; | |
2743 | return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size); | |
d02a6e61 CY |
2744 | } |
2745 | ||
2746 | static inline unsigned int addrs_per_block(struct inode *inode) | |
2747 | { | |
4c8ff709 CY |
2748 | if (!f2fs_compressed_file(inode)) |
2749 | return DEF_ADDRS_PER_BLOCK; | |
2750 | return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size); | |
de93653f JK |
2751 | } |
2752 | ||
6afc662e | 2753 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 2754 | { |
695fd1ed | 2755 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 2756 | |
65985d93 | 2757 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
b323fd28 | 2758 | get_inline_xattr_addrs(inode)]); |
65985d93 JK |
2759 | } |
2760 | ||
2761 | static inline int inline_xattr_size(struct inode *inode) | |
2762 | { | |
622927f3 CY |
2763 | if (f2fs_has_inline_xattr(inode)) |
2764 | return get_inline_xattr_addrs(inode) * sizeof(__le32); | |
2765 | return 0; | |
65985d93 JK |
2766 | } |
2767 | ||
0dbdc2ae JK |
2768 | static inline int f2fs_has_inline_data(struct inode *inode) |
2769 | { | |
91942321 | 2770 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
2771 | } |
2772 | ||
b3d208f9 JK |
2773 | static inline int f2fs_exist_data(struct inode *inode) |
2774 | { | |
91942321 | 2775 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
2776 | } |
2777 | ||
510022a8 JK |
2778 | static inline int f2fs_has_inline_dots(struct inode *inode) |
2779 | { | |
91942321 | 2780 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
2781 | } |
2782 | ||
4c8ff709 CY |
2783 | static inline int f2fs_is_mmap_file(struct inode *inode) |
2784 | { | |
2785 | return is_inode_flag_set(inode, FI_MMAP_FILE); | |
2786 | } | |
2787 | ||
1ad71a27 JK |
2788 | static inline bool f2fs_is_pinned_file(struct inode *inode) |
2789 | { | |
2790 | return is_inode_flag_set(inode, FI_PIN_FILE); | |
2791 | } | |
2792 | ||
88b88a66 JK |
2793 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
2794 | { | |
91942321 | 2795 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
2796 | } |
2797 | ||
5fe45743 CY |
2798 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
2799 | { | |
2800 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); | |
2801 | } | |
2802 | ||
02a1335f JK |
2803 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
2804 | { | |
91942321 | 2805 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
02a1335f JK |
2806 | } |
2807 | ||
3c6c2beb JK |
2808 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
2809 | { | |
91942321 | 2810 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
2811 | } |
2812 | ||
1e84371f JK |
2813 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
2814 | { | |
91942321 | 2815 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
2816 | } |
2817 | ||
f2470371 | 2818 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 2819 | { |
695fd1ed | 2820 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 2821 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 2822 | |
7a2af766 | 2823 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
2824 | } |
2825 | ||
34d67deb CY |
2826 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
2827 | { | |
91942321 | 2828 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
2829 | } |
2830 | ||
b5492af7 JK |
2831 | static inline int is_file(struct inode *inode, int type) |
2832 | { | |
2833 | return F2FS_I(inode)->i_advise & type; | |
2834 | } | |
2835 | ||
2836 | static inline void set_file(struct inode *inode, int type) | |
2837 | { | |
2838 | F2FS_I(inode)->i_advise |= type; | |
7c45729a | 2839 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2840 | } |
2841 | ||
2842 | static inline void clear_file(struct inode *inode, int type) | |
2843 | { | |
2844 | F2FS_I(inode)->i_advise &= ~type; | |
7c45729a | 2845 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2846 | } |
2847 | ||
fe1897ea CY |
2848 | static inline bool f2fs_is_time_consistent(struct inode *inode) |
2849 | { | |
2850 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) | |
2851 | return false; | |
2852 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) | |
2853 | return false; | |
2854 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) | |
2855 | return false; | |
2856 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3, | |
2857 | &F2FS_I(inode)->i_crtime)) | |
2858 | return false; | |
2859 | return true; | |
2860 | } | |
2861 | ||
26787236 JK |
2862 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
2863 | { | |
a0d00fad CY |
2864 | bool ret; |
2865 | ||
26787236 JK |
2866 | if (dsync) { |
2867 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
26787236 JK |
2868 | |
2869 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
2870 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
2871 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
2872 | return ret; | |
2873 | } | |
2874 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
2875 | file_keep_isize(inode) || | |
235831d7 | 2876 | i_size_read(inode) & ~PAGE_MASK) |
26787236 | 2877 | return false; |
a0d00fad | 2878 | |
fe1897ea | 2879 | if (!f2fs_is_time_consistent(inode)) |
214c2461 JK |
2880 | return false; |
2881 | ||
c10c9820 | 2882 | spin_lock(&F2FS_I(inode)->i_size_lock); |
a0d00fad | 2883 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); |
c10c9820 | 2884 | spin_unlock(&F2FS_I(inode)->i_size_lock); |
a0d00fad CY |
2885 | |
2886 | return ret; | |
b5492af7 JK |
2887 | } |
2888 | ||
deeedd71 | 2889 | static inline bool f2fs_readonly(struct super_block *sb) |
77888c1e | 2890 | { |
deeedd71 | 2891 | return sb_rdonly(sb); |
77888c1e JK |
2892 | } |
2893 | ||
1e968fdf JK |
2894 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
2895 | { | |
aaec2b1d | 2896 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
2897 | } |
2898 | ||
eaa693f4 JK |
2899 | static inline bool is_dot_dotdot(const struct qstr *str) |
2900 | { | |
2901 | if (str->len == 1 && str->name[0] == '.') | |
2902 | return true; | |
2903 | ||
2904 | if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') | |
2905 | return true; | |
2906 | ||
2907 | return false; | |
2908 | } | |
2909 | ||
3e72f721 JK |
2910 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
2911 | { | |
e4589fa5 ST |
2912 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2913 | ||
2914 | if (!test_opt(sbi, EXTENT_CACHE) || | |
4c8ff709 CY |
2915 | is_inode_flag_set(inode, FI_NO_EXTENT) || |
2916 | is_inode_flag_set(inode, FI_COMPRESSED_FILE)) | |
3e72f721 JK |
2917 | return false; |
2918 | ||
e4589fa5 ST |
2919 | /* |
2920 | * for recovered files during mount do not create extents | |
2921 | * if shrinker is not registered. | |
2922 | */ | |
2923 | if (list_empty(&sbi->s_list)) | |
2924 | return false; | |
2925 | ||
886f56f9 | 2926 | return S_ISREG(inode->i_mode); |
3e72f721 JK |
2927 | } |
2928 | ||
1ecc0c5c CY |
2929 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
2930 | size_t size, gfp_t flags) | |
0414b004 | 2931 | { |
5222595d JK |
2932 | void *ret; |
2933 | ||
55523519 | 2934 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
c45d6002 | 2935 | f2fs_show_injection_info(sbi, FAULT_KMALLOC); |
2c63fead | 2936 | return NULL; |
55523519 | 2937 | } |
7fa750a1 | 2938 | |
5222595d JK |
2939 | ret = kmalloc(size, flags); |
2940 | if (ret) | |
2941 | return ret; | |
2942 | ||
2943 | return kvmalloc(size, flags); | |
0414b004 JK |
2944 | } |
2945 | ||
acbf054d CY |
2946 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, |
2947 | size_t size, gfp_t flags) | |
2948 | { | |
2949 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); | |
2950 | } | |
2951 | ||
628b3d14 CY |
2952 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, |
2953 | size_t size, gfp_t flags) | |
2954 | { | |
628b3d14 | 2955 | if (time_to_inject(sbi, FAULT_KVMALLOC)) { |
c45d6002 | 2956 | f2fs_show_injection_info(sbi, FAULT_KVMALLOC); |
628b3d14 CY |
2957 | return NULL; |
2958 | } | |
7fa750a1 | 2959 | |
628b3d14 CY |
2960 | return kvmalloc(size, flags); |
2961 | } | |
2962 | ||
2963 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, | |
2964 | size_t size, gfp_t flags) | |
2965 | { | |
2966 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); | |
2967 | } | |
2968 | ||
7a2af766 | 2969 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 2970 | { |
7a2af766 | 2971 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
2972 | } |
2973 | ||
6afc662e CY |
2974 | static inline int get_inline_xattr_addrs(struct inode *inode) |
2975 | { | |
2976 | return F2FS_I(inode)->i_inline_xattr_size; | |
2977 | } | |
2978 | ||
4d57b86d | 2979 | #define f2fs_get_inode_mode(i) \ |
91942321 | 2980 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
2981 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
2982 | ||
7a2af766 CY |
2983 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
2984 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
2985 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
2986 | ||
5c57132e CY |
2987 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
2988 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2f84babf | 2989 | ((offsetof(typeof(*(f2fs_inode)), field) + \ |
5c57132e | 2990 | sizeof((f2fs_inode)->field)) \ |
2f84babf | 2991 | <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \ |
5c57132e | 2992 | |
b0af6d49 CY |
2993 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) |
2994 | { | |
2995 | int i; | |
2996 | ||
2997 | spin_lock(&sbi->iostat_lock); | |
2998 | for (i = 0; i < NR_IO_TYPE; i++) | |
2999 | sbi->write_iostat[i] = 0; | |
3000 | spin_unlock(&sbi->iostat_lock); | |
3001 | } | |
3002 | ||
3003 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, | |
3004 | enum iostat_type type, unsigned long long io_bytes) | |
3005 | { | |
3006 | if (!sbi->iostat_enable) | |
3007 | return; | |
3008 | spin_lock(&sbi->iostat_lock); | |
3009 | sbi->write_iostat[type] += io_bytes; | |
3010 | ||
3011 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) | |
3012 | sbi->write_iostat[APP_BUFFERED_IO] = | |
3013 | sbi->write_iostat[APP_WRITE_IO] - | |
3014 | sbi->write_iostat[APP_DIRECT_IO]; | |
3015 | spin_unlock(&sbi->iostat_lock); | |
3016 | } | |
3017 | ||
2c70c5e3 CY |
3018 | #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1) |
3019 | ||
6dc3a126 | 3020 | #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META) |
c9b60788 | 3021 | |
e1da7872 CY |
3022 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3023 | block_t blkaddr, int type); | |
e1da7872 CY |
3024 | static inline void verify_blkaddr(struct f2fs_sb_info *sbi, |
3025 | block_t blkaddr, int type) | |
3026 | { | |
3027 | if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) { | |
dcbb4c10 JP |
3028 | f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.", |
3029 | blkaddr, type); | |
e1da7872 CY |
3030 | f2fs_bug_on(sbi, 1); |
3031 | } | |
3032 | } | |
3033 | ||
3034 | static inline bool __is_valid_data_blkaddr(block_t blkaddr) | |
7b525dd0 | 3035 | { |
4c8ff709 CY |
3036 | if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR || |
3037 | blkaddr == COMPRESS_ADDR) | |
7b525dd0 CY |
3038 | return false; |
3039 | return true; | |
3040 | } | |
3041 | ||
240a5915 CY |
3042 | static inline void f2fs_set_page_private(struct page *page, |
3043 | unsigned long data) | |
3044 | { | |
3045 | if (PagePrivate(page)) | |
3046 | return; | |
3047 | ||
3048 | get_page(page); | |
3049 | SetPagePrivate(page); | |
3050 | set_page_private(page, data); | |
3051 | } | |
3052 | ||
3053 | static inline void f2fs_clear_page_private(struct page *page) | |
3054 | { | |
3055 | if (!PagePrivate(page)) | |
3056 | return; | |
3057 | ||
3058 | set_page_private(page, 0); | |
3059 | ClearPagePrivate(page); | |
3060 | f2fs_put_page(page, 0); | |
3061 | } | |
3062 | ||
39a53e0c JK |
3063 | /* |
3064 | * file.c | |
3065 | */ | |
cac5a3d8 | 3066 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
4d57b86d | 3067 | void f2fs_truncate_data_blocks(struct dnode_of_data *dn); |
c42d28ce | 3068 | int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock); |
cac5a3d8 | 3069 | int f2fs_truncate(struct inode *inode); |
a528d35e DH |
3070 | int f2fs_getattr(const struct path *path, struct kstat *stat, |
3071 | u32 request_mask, unsigned int flags); | |
cac5a3d8 | 3072 | int f2fs_setattr(struct dentry *dentry, struct iattr *attr); |
4d57b86d CY |
3073 | int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); |
3074 | void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
c4020b2d | 3075 | int f2fs_precache_extents(struct inode *inode); |
cac5a3d8 DS |
3076 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
3077 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
78130819 | 3078 | int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid); |
1ad71a27 | 3079 | int f2fs_pin_file_control(struct inode *inode, bool inc); |
39a53e0c JK |
3080 | |
3081 | /* | |
3082 | * inode.c | |
3083 | */ | |
cac5a3d8 | 3084 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
3085 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
3086 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
3087 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
3088 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
4d57b86d CY |
3089 | int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); |
3090 | void f2fs_update_inode(struct inode *inode, struct page *node_page); | |
3091 | void f2fs_update_inode_page(struct inode *inode); | |
cac5a3d8 DS |
3092 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); |
3093 | void f2fs_evict_inode(struct inode *inode); | |
4d57b86d | 3094 | void f2fs_handle_failed_inode(struct inode *inode); |
39a53e0c JK |
3095 | |
3096 | /* | |
3097 | * namei.c | |
3098 | */ | |
4d57b86d | 3099 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
b6a06cbb | 3100 | bool hot, bool set); |
39a53e0c JK |
3101 | struct dentry *f2fs_get_parent(struct dentry *child); |
3102 | ||
2c2eb7a3 DR |
3103 | extern int f2fs_ci_compare(const struct inode *parent, |
3104 | const struct qstr *name, | |
950d47f2 CY |
3105 | const struct qstr *entry, |
3106 | bool quick); | |
2c2eb7a3 | 3107 | |
39a53e0c JK |
3108 | /* |
3109 | * dir.c | |
3110 | */ | |
4d57b86d CY |
3111 | unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de); |
3112 | struct f2fs_dir_entry *f2fs_find_target_dentry(struct fscrypt_name *fname, | |
cac5a3d8 DS |
3113 | f2fs_hash_t namehash, int *max_slots, |
3114 | struct f2fs_dentry_ptr *d); | |
3115 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, | |
3116 | unsigned int start_pos, struct fscrypt_str *fstr); | |
4d57b86d | 3117 | void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 3118 | struct f2fs_dentry_ptr *d); |
4d57b86d | 3119 | struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir, |
cac5a3d8 DS |
3120 | const struct qstr *new_name, |
3121 | const struct qstr *orig_name, struct page *dpage); | |
4d57b86d | 3122 | void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, |
cac5a3d8 | 3123 | unsigned int current_depth); |
4d57b86d | 3124 | int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots); |
cac5a3d8 DS |
3125 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); |
3126 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
3127 | struct fscrypt_name *fname, struct page **res_page); | |
3128 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, | |
3129 | const struct qstr *child, struct page **res_page); | |
3130 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
3131 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
3132 | struct page **page); | |
3133 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
3134 | struct page *page, struct inode *inode); | |
b06af2af JK |
3135 | bool f2fs_has_enough_room(struct inode *dir, struct page *ipage, |
3136 | struct fscrypt_name *fname); | |
cac5a3d8 DS |
3137 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
3138 | const struct qstr *name, f2fs_hash_t name_hash, | |
3139 | unsigned int bit_pos); | |
3140 | int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, | |
3141 | const struct qstr *orig_name, | |
3142 | struct inode *inode, nid_t ino, umode_t mode); | |
4d57b86d | 3143 | int f2fs_add_dentry(struct inode *dir, struct fscrypt_name *fname, |
cac5a3d8 | 3144 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d | 3145 | int f2fs_do_add_link(struct inode *dir, const struct qstr *name, |
cac5a3d8 DS |
3146 | struct inode *inode, nid_t ino, umode_t mode); |
3147 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
3148 | struct inode *dir, struct inode *inode); | |
3149 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
3150 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 3151 | |
b7f7a5e0 AV |
3152 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
3153 | { | |
4d57b86d | 3154 | return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 3155 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
3156 | } |
3157 | ||
39a53e0c JK |
3158 | /* |
3159 | * super.c | |
3160 | */ | |
cac5a3d8 DS |
3161 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
3162 | void f2fs_inode_synced(struct inode *inode); | |
ea676733 | 3163 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
af033b2a | 3164 | int f2fs_quota_sync(struct super_block *sb, int type); |
4b2414d0 | 3165 | void f2fs_quota_off_umount(struct super_block *sb); |
cac5a3d8 DS |
3166 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
3167 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
4d57b86d | 3168 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
3169 | |
3170 | /* | |
3171 | * hash.c | |
3172 | */ | |
2c2eb7a3 DR |
3173 | f2fs_hash_t f2fs_dentry_hash(const struct inode *dir, |
3174 | const struct qstr *name_info, struct fscrypt_name *fname); | |
39a53e0c JK |
3175 | |
3176 | /* | |
3177 | * node.c | |
3178 | */ | |
3179 | struct dnode_of_data; | |
3180 | struct node_info; | |
3181 | ||
4d57b86d CY |
3182 | int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); |
3183 | bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); | |
50fa53ec CY |
3184 | bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page); |
3185 | void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); | |
3186 | void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page); | |
3187 | void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); | |
4d57b86d CY |
3188 | int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); |
3189 | bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
3190 | bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
7735730d | 3191 | int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, |
4d57b86d CY |
3192 | struct node_info *ni); |
3193 | pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); | |
3194 | int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
3195 | int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
3196 | int f2fs_truncate_xattr_node(struct inode *inode); | |
50fa53ec CY |
3197 | int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, |
3198 | unsigned int seq_id); | |
4d57b86d CY |
3199 | int f2fs_remove_inode_page(struct inode *inode); |
3200 | struct page *f2fs_new_inode_page(struct inode *inode); | |
3201 | struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs); | |
3202 | void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); | |
3203 | struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
3204 | struct page *f2fs_get_node_page_ra(struct page *parent, int start); | |
48018b4c | 3205 | int f2fs_move_node_page(struct page *node_page, int gc_type); |
4d57b86d | 3206 | int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, |
50fa53ec CY |
3207 | struct writeback_control *wbc, bool atomic, |
3208 | unsigned int *seq_id); | |
4d57b86d CY |
3209 | int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, |
3210 | struct writeback_control *wbc, | |
b0af6d49 | 3211 | bool do_balance, enum iostat_type io_type); |
e2374015 | 3212 | int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
4d57b86d CY |
3213 | bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
3214 | void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
3215 | void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
3216 | int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
3217 | void f2fs_recover_inline_xattr(struct inode *inode, struct page *page); | |
3218 | int f2fs_recover_xattr_data(struct inode *inode, struct page *page); | |
3219 | int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
7735730d | 3220 | int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, |
cac5a3d8 | 3221 | unsigned int segno, struct f2fs_summary_block *sum); |
edc55aaf | 3222 | int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
4d57b86d CY |
3223 | int f2fs_build_node_manager(struct f2fs_sb_info *sbi); |
3224 | void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi); | |
3225 | int __init f2fs_create_node_manager_caches(void); | |
3226 | void f2fs_destroy_node_manager_caches(void); | |
39a53e0c JK |
3227 | |
3228 | /* | |
3229 | * segment.c | |
3230 | */ | |
4d57b86d CY |
3231 | bool f2fs_need_SSR(struct f2fs_sb_info *sbi); |
3232 | void f2fs_register_inmem_page(struct inode *inode, struct page *page); | |
3233 | void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure); | |
3234 | void f2fs_drop_inmem_pages(struct inode *inode); | |
3235 | void f2fs_drop_inmem_page(struct inode *inode, struct page *page); | |
3236 | int f2fs_commit_inmem_pages(struct inode *inode); | |
cac5a3d8 | 3237 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); |
7bcd0cfa | 3238 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg); |
39d787be | 3239 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
4d57b86d | 3240 | int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi); |
1228b482 | 3241 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3242 | void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
3243 | void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
3244 | bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
3245 | void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi); | |
3246 | void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi); | |
03f2c02d | 3247 | bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3248 | void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, |
3249 | struct cp_control *cpc); | |
4354994f | 3250 | void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi); |
4d3aed70 DR |
3251 | block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi); |
3252 | int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable); | |
4d57b86d CY |
3253 | void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); |
3254 | int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
04f0b2ea QS |
3255 | void allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type, |
3256 | unsigned int start, unsigned int end); | |
f5a53edc | 3257 | void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type); |
cac5a3d8 | 3258 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); |
4d57b86d CY |
3259 | bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, |
3260 | struct cp_control *cpc); | |
3261 | struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
3262 | void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src, | |
3263 | block_t blk_addr); | |
3264 | void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page, | |
b0af6d49 | 3265 | enum iostat_type io_type); |
4d57b86d CY |
3266 | void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
3267 | void f2fs_outplace_write_data(struct dnode_of_data *dn, | |
3268 | struct f2fs_io_info *fio); | |
3269 | int f2fs_inplace_write_data(struct f2fs_io_info *fio); | |
3270 | void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, | |
cac5a3d8 DS |
3271 | block_t old_blkaddr, block_t new_blkaddr, |
3272 | bool recover_curseg, bool recover_newaddr); | |
3273 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, | |
3274 | block_t old_addr, block_t new_addr, | |
3275 | unsigned char version, bool recover_curseg, | |
3276 | bool recover_newaddr); | |
4d57b86d | 3277 | void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, |
cac5a3d8 | 3278 | block_t old_blkaddr, block_t *new_blkaddr, |
fb830fc5 CY |
3279 | struct f2fs_summary *sum, int type, |
3280 | struct f2fs_io_info *fio, bool add_list); | |
cac5a3d8 | 3281 | void f2fs_wait_on_page_writeback(struct page *page, |
bae0ee7a | 3282 | enum page_type type, bool ordered, bool locked); |
0ded69f6 | 3283 | void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr); |
1e78e8bd ST |
3284 | void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr, |
3285 | block_t len); | |
4d57b86d CY |
3286 | void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
3287 | void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
3288 | int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
cac5a3d8 | 3289 | unsigned int val, int alloc); |
4d57b86d | 3290 | void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
c426d991 | 3291 | int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi); |
d508c94e | 3292 | int f2fs_check_write_pointer(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3293 | int f2fs_build_segment_manager(struct f2fs_sb_info *sbi); |
3294 | void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi); | |
3295 | int __init f2fs_create_segment_manager_caches(void); | |
3296 | void f2fs_destroy_segment_manager_caches(void); | |
3297 | int f2fs_rw_hint_to_seg_type(enum rw_hint hint); | |
3298 | enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi, | |
3299 | enum page_type type, enum temp_type temp); | |
39a53e0c JK |
3300 | |
3301 | /* | |
3302 | * checkpoint.c | |
3303 | */ | |
cac5a3d8 | 3304 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
4d57b86d CY |
3305 | struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
3306 | struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
7735730d | 3307 | struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index); |
4d57b86d | 3308 | struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); |
e1da7872 CY |
3309 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3310 | block_t blkaddr, int type); | |
4d57b86d | 3311 | int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, |
cac5a3d8 | 3312 | int type, bool sync); |
4d57b86d CY |
3313 | void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); |
3314 | long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, | |
b0af6d49 | 3315 | long nr_to_write, enum iostat_type io_type); |
4d57b86d CY |
3316 | void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
3317 | void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
3318 | void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
3319 | bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
3320 | void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
39d787be | 3321 | unsigned int devidx, int type); |
4d57b86d | 3322 | bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
39d787be | 3323 | unsigned int devidx, int type); |
cac5a3d8 | 3324 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3325 | int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi); |
3326 | void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi); | |
3327 | void f2fs_add_orphan_inode(struct inode *inode); | |
3328 | void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
3329 | int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
3330 | int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
3331 | void f2fs_update_dirty_page(struct inode *inode, struct page *page); | |
3332 | void f2fs_remove_dirty_inode(struct inode *inode); | |
3333 | int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
bf22c3cc | 3334 | void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type); |
4d57b86d CY |
3335 | int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
3336 | void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); | |
3337 | int __init f2fs_create_checkpoint_caches(void); | |
3338 | void f2fs_destroy_checkpoint_caches(void); | |
39a53e0c JK |
3339 | |
3340 | /* | |
3341 | * data.c | |
3342 | */ | |
f543805f CY |
3343 | int __init f2fs_init_bioset(void); |
3344 | void f2fs_destroy_bioset(void); | |
ca9e968a | 3345 | struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages, bool noio); |
0b20fcec CY |
3346 | int f2fs_init_bio_entry_cache(void); |
3347 | void f2fs_destroy_bio_entry_cache(void); | |
4c8ff709 CY |
3348 | void f2fs_submit_bio(struct f2fs_sb_info *sbi, |
3349 | struct bio *bio, enum page_type type); | |
b9109b0e JK |
3350 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
3351 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
bab475c5 CY |
3352 | struct inode *inode, struct page *page, |
3353 | nid_t ino, enum page_type type); | |
0b20fcec CY |
3354 | void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi, |
3355 | struct bio **bio, struct page *page); | |
b9109b0e | 3356 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3357 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
8648de2c | 3358 | int f2fs_merge_page_bio(struct f2fs_io_info *fio); |
fe16efe6 | 3359 | void f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 DS |
3360 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
3361 | block_t blk_addr, struct bio *bio); | |
3362 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4d57b86d | 3363 | void f2fs_set_data_blkaddr(struct dnode_of_data *dn); |
cac5a3d8 | 3364 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); |
4d57b86d CY |
3365 | int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); |
3366 | int f2fs_reserve_new_block(struct dnode_of_data *dn); | |
cac5a3d8 DS |
3367 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); |
3368 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); | |
3369 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); | |
4c8ff709 CY |
3370 | int f2fs_mpage_readpages(struct address_space *mapping, |
3371 | struct list_head *pages, struct page *page, | |
3372 | unsigned nr_pages, bool is_readahead); | |
4d57b86d | 3373 | struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index, |
cac5a3d8 | 3374 | int op_flags, bool for_write); |
4d57b86d CY |
3375 | struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index); |
3376 | struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index, | |
cac5a3d8 | 3377 | bool for_write); |
4d57b86d | 3378 | struct page *f2fs_get_new_data_page(struct inode *inode, |
cac5a3d8 | 3379 | struct page *ipage, pgoff_t index, bool new_i_size); |
4d57b86d | 3380 | int f2fs_do_write_data_page(struct f2fs_io_info *fio); |
39a86958 | 3381 | void __do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock); |
cac5a3d8 DS |
3382 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, |
3383 | int create, int flag); | |
3384 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
3385 | u64 start, u64 len); | |
4c8ff709 | 3386 | int f2fs_encrypt_one_page(struct f2fs_io_info *fio); |
4d57b86d CY |
3387 | bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); |
3388 | bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); | |
4c8ff709 CY |
3389 | int f2fs_write_single_data_page(struct page *page, int *submitted, |
3390 | struct bio **bio, sector_t *last_block, | |
3391 | struct writeback_control *wbc, | |
3392 | enum iostat_type io_type, | |
3393 | int compr_blocks); | |
cac5a3d8 DS |
3394 | void f2fs_invalidate_page(struct page *page, unsigned int offset, |
3395 | unsigned int length); | |
3396 | int f2fs_release_page(struct page *page, gfp_t wait); | |
5b7a487c | 3397 | #ifdef CONFIG_MIGRATION |
cac5a3d8 DS |
3398 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
3399 | struct page *page, enum migrate_mode mode); | |
5b7a487c | 3400 | #endif |
b91050a8 | 3401 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); |
5ec2d99d | 3402 | void f2fs_clear_page_cache_dirty_tag(struct page *page); |
4c8ff709 CY |
3403 | int f2fs_init_post_read_processing(void); |
3404 | void f2fs_destroy_post_read_processing(void); | |
3405 | int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi); | |
3406 | void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3407 | |
3408 | /* | |
3409 | * gc.c | |
3410 | */ | |
4d57b86d CY |
3411 | int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); |
3412 | void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); | |
3413 | block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
e066b83c JK |
3414 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, |
3415 | unsigned int segno); | |
4d57b86d | 3416 | void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); |
04f0b2ea | 3417 | int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count); |
39a53e0c JK |
3418 | |
3419 | /* | |
3420 | * recovery.c | |
3421 | */ | |
4d57b86d CY |
3422 | int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
3423 | bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3424 | |
3425 | /* | |
3426 | * debug.c | |
3427 | */ | |
3428 | #ifdef CONFIG_F2FS_STAT_FS | |
3429 | struct f2fs_stat_info { | |
3430 | struct list_head stat_list; | |
3431 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
3432 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
3433 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
3434 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
3435 | unsigned long long hit_total, total_ext; | |
c00ba554 | 3436 | int ext_tree, zombie_tree, ext_node; |
2c8a4a28 JK |
3437 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
3438 | int ndirty_data, ndirty_qdata; | |
35782b23 | 3439 | int inmem_pages; |
2c8a4a28 | 3440 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
5b0ef73c JK |
3441 | int nats, dirty_nats, sits, dirty_sits; |
3442 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 3443 | int total_count, utilization; |
8b8dd65f | 3444 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
5f9abab4 | 3445 | int nr_rd_data, nr_rd_node, nr_rd_meta; |
02b16d0a | 3446 | int nr_dio_read, nr_dio_write; |
274bd9ba | 3447 | unsigned int io_skip_bggc, other_skip_bggc; |
14d8d5f7 CY |
3448 | int nr_flushing, nr_flushed, flush_list_empty; |
3449 | int nr_discarding, nr_discarded; | |
5f32366a | 3450 | int nr_discard_cmd; |
d84d1cbd | 3451 | unsigned int undiscard_blks; |
a00861db | 3452 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
4c8ff709 | 3453 | int compr_inode, compr_blocks; |
648d50ba | 3454 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; |
f83a2584 | 3455 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
3456 | unsigned int bimodal, avg_vblocks; |
3457 | int util_free, util_valid, util_invalid; | |
3458 | int rsvd_segs, overp_segs; | |
3459 | int dirty_count, node_pages, meta_pages; | |
42190d2a | 3460 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 3461 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 3462 | int bg_node_segs, bg_data_segs; |
39a53e0c | 3463 | int tot_blks, data_blks, node_blks; |
e1235983 | 3464 | int bg_data_blks, bg_node_blks; |
2ef79ecb | 3465 | unsigned long long skipped_atomic_files[2]; |
39a53e0c JK |
3466 | int curseg[NR_CURSEG_TYPE]; |
3467 | int cursec[NR_CURSEG_TYPE]; | |
3468 | int curzone[NR_CURSEG_TYPE]; | |
3469 | ||
b63e7be5 | 3470 | unsigned int meta_count[META_MAX]; |
39a53e0c JK |
3471 | unsigned int segment_count[2]; |
3472 | unsigned int block_count[2]; | |
b9a2c252 | 3473 | unsigned int inplace_count; |
9edcdabf | 3474 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
3475 | }; |
3476 | ||
963d4f7d GZ |
3477 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
3478 | { | |
6c311ec6 | 3479 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
3480 | } |
3481 | ||
942e0be6 | 3482 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 3483 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 | 3484 | #define stat_inc_call_count(si) ((si)->call_count++) |
fc7100ea | 3485 | #define stat_inc_bggc_count(si) ((si)->bg_gc++) |
274bd9ba CY |
3486 | #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++) |
3487 | #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++) | |
33fbd510 CY |
3488 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
3489 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
3490 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
3491 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
3492 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
3493 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
3494 | #define stat_inc_inline_xattr(inode) \ |
3495 | do { \ | |
3496 | if (f2fs_has_inline_xattr(inode)) \ | |
3497 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3498 | } while (0) | |
3499 | #define stat_dec_inline_xattr(inode) \ | |
3500 | do { \ | |
3501 | if (f2fs_has_inline_xattr(inode)) \ | |
3502 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3503 | } while (0) | |
0dbdc2ae JK |
3504 | #define stat_inc_inline_inode(inode) \ |
3505 | do { \ | |
3506 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3507 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
3508 | } while (0) |
3509 | #define stat_dec_inline_inode(inode) \ | |
3510 | do { \ | |
3511 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3512 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 3513 | } while (0) |
3289c061 JK |
3514 | #define stat_inc_inline_dir(inode) \ |
3515 | do { \ | |
3516 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3517 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
3518 | } while (0) |
3519 | #define stat_dec_inline_dir(inode) \ | |
3520 | do { \ | |
3521 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3522 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 3523 | } while (0) |
4c8ff709 CY |
3524 | #define stat_inc_compr_inode(inode) \ |
3525 | do { \ | |
3526 | if (f2fs_compressed_file(inode)) \ | |
3527 | (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \ | |
3528 | } while (0) | |
3529 | #define stat_dec_compr_inode(inode) \ | |
3530 | do { \ | |
3531 | if (f2fs_compressed_file(inode)) \ | |
3532 | (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \ | |
3533 | } while (0) | |
3534 | #define stat_add_compr_blocks(inode, blocks) \ | |
3535 | (atomic_add(blocks, &F2FS_I_SB(inode)->compr_blocks)) | |
3536 | #define stat_sub_compr_blocks(inode, blocks) \ | |
3537 | (atomic_sub(blocks, &F2FS_I_SB(inode)->compr_blocks)) | |
b63e7be5 CY |
3538 | #define stat_inc_meta_count(sbi, blkaddr) \ |
3539 | do { \ | |
3540 | if (blkaddr < SIT_I(sbi)->sit_base_addr) \ | |
3541 | atomic_inc(&(sbi)->meta_count[META_CP]); \ | |
3542 | else if (blkaddr < NM_I(sbi)->nat_blkaddr) \ | |
3543 | atomic_inc(&(sbi)->meta_count[META_SIT]); \ | |
3544 | else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \ | |
3545 | atomic_inc(&(sbi)->meta_count[META_NAT]); \ | |
3546 | else if (blkaddr < SM_I(sbi)->main_blkaddr) \ | |
3547 | atomic_inc(&(sbi)->meta_count[META_SSA]); \ | |
3548 | } while (0) | |
dcdfff65 JK |
3549 | #define stat_inc_seg_type(sbi, curseg) \ |
3550 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
3551 | #define stat_inc_block_count(sbi, curseg) \ | |
3552 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
3553 | #define stat_inc_inplace_blocks(sbi) \ |
3554 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c JK |
3555 | #define stat_update_max_atomic_write(inode) \ |
3556 | do { \ | |
0e6d0164 | 3557 | int cur = F2FS_I_SB(inode)->atomic_files; \ |
26a28a0c JK |
3558 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ |
3559 | if (cur > max) \ | |
3560 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
3561 | } while (0) | |
648d50ba CY |
3562 | #define stat_inc_volatile_write(inode) \ |
3563 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) | |
3564 | #define stat_dec_volatile_write(inode) \ | |
3565 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) | |
3566 | #define stat_update_max_volatile_write(inode) \ | |
3567 | do { \ | |
3568 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ | |
3569 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ | |
3570 | if (cur > max) \ | |
3571 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ | |
3572 | } while (0) | |
e1235983 | 3573 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 3574 | do { \ |
963d4f7d | 3575 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
3576 | si->tot_segs++; \ |
3577 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 3578 | si->data_segs++; \ |
e1235983 CL |
3579 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3580 | } else { \ | |
39a53e0c | 3581 | si->node_segs++; \ |
e1235983 CL |
3582 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3583 | } \ | |
39a53e0c JK |
3584 | } while (0) |
3585 | ||
3586 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 3587 | ((si)->tot_blks += (blks)) |
39a53e0c | 3588 | |
e1235983 | 3589 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3590 | do { \ |
963d4f7d | 3591 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3592 | stat_inc_tot_blk_count(si, blks); \ |
3593 | si->data_blks += (blks); \ | |
68afcf2d | 3594 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3595 | } while (0) |
3596 | ||
e1235983 | 3597 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3598 | do { \ |
963d4f7d | 3599 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3600 | stat_inc_tot_blk_count(si, blks); \ |
3601 | si->node_blks += (blks); \ | |
68afcf2d | 3602 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3603 | } while (0) |
3604 | ||
cac5a3d8 DS |
3605 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
3606 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
21acc07d | 3607 | void __init f2fs_create_root_stats(void); |
4589d25d | 3608 | void f2fs_destroy_root_stats(void); |
fc7100ea | 3609 | void f2fs_update_sit_info(struct f2fs_sb_info *sbi); |
39a53e0c | 3610 | #else |
d66450e7 AB |
3611 | #define stat_inc_cp_count(si) do { } while (0) |
3612 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
3613 | #define stat_inc_call_count(si) do { } while (0) | |
3614 | #define stat_inc_bggc_count(si) do { } while (0) | |
274bd9ba CY |
3615 | #define stat_io_skip_bggc_count(sbi) do { } while (0) |
3616 | #define stat_other_skip_bggc_count(sbi) do { } while (0) | |
d66450e7 AB |
3617 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) |
3618 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
fc7100ea HV |
3619 | #define stat_inc_total_hit(sbi) do { } while (0) |
3620 | #define stat_inc_rbtree_node_hit(sbi) do { } while (0) | |
d66450e7 AB |
3621 | #define stat_inc_largest_node_hit(sbi) do { } while (0) |
3622 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
3623 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
3624 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
3625 | #define stat_inc_inline_inode(inode) do { } while (0) | |
3626 | #define stat_dec_inline_inode(inode) do { } while (0) | |
3627 | #define stat_inc_inline_dir(inode) do { } while (0) | |
3628 | #define stat_dec_inline_dir(inode) do { } while (0) | |
4c8ff709 CY |
3629 | #define stat_inc_compr_inode(inode) do { } while (0) |
3630 | #define stat_dec_compr_inode(inode) do { } while (0) | |
3631 | #define stat_add_compr_blocks(inode, blocks) do { } while (0) | |
3632 | #define stat_sub_compr_blocks(inode, blocks) do { } while (0) | |
d66450e7 AB |
3633 | #define stat_inc_atomic_write(inode) do { } while (0) |
3634 | #define stat_dec_atomic_write(inode) do { } while (0) | |
3635 | #define stat_update_max_atomic_write(inode) do { } while (0) | |
3636 | #define stat_inc_volatile_write(inode) do { } while (0) | |
3637 | #define stat_dec_volatile_write(inode) do { } while (0) | |
3638 | #define stat_update_max_volatile_write(inode) do { } while (0) | |
b63e7be5 | 3639 | #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) |
d66450e7 AB |
3640 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) |
3641 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
3642 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
3643 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
3644 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
3645 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
3646 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
3647 | |
3648 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
3649 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
21acc07d | 3650 | static inline void __init f2fs_create_root_stats(void) { } |
4589d25d | 3651 | static inline void f2fs_destroy_root_stats(void) { } |
fc7100ea | 3652 | static inline void update_sit_info(struct f2fs_sb_info *sbi) {} |
39a53e0c JK |
3653 | #endif |
3654 | ||
3655 | extern const struct file_operations f2fs_dir_operations; | |
2c2eb7a3 DR |
3656 | #ifdef CONFIG_UNICODE |
3657 | extern const struct dentry_operations f2fs_dentry_ops; | |
3658 | #endif | |
39a53e0c JK |
3659 | extern const struct file_operations f2fs_file_operations; |
3660 | extern const struct inode_operations f2fs_file_inode_operations; | |
3661 | extern const struct address_space_operations f2fs_dblock_aops; | |
3662 | extern const struct address_space_operations f2fs_node_aops; | |
3663 | extern const struct address_space_operations f2fs_meta_aops; | |
3664 | extern const struct inode_operations f2fs_dir_inode_operations; | |
3665 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 3666 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 3667 | extern const struct inode_operations f2fs_special_inode_operations; |
4d57b86d | 3668 | extern struct kmem_cache *f2fs_inode_entry_slab; |
1001b347 | 3669 | |
e18c65b2 HL |
3670 | /* |
3671 | * inline.c | |
3672 | */ | |
cac5a3d8 DS |
3673 | bool f2fs_may_inline_data(struct inode *inode); |
3674 | bool f2fs_may_inline_dentry(struct inode *inode); | |
4d57b86d CY |
3675 | void f2fs_do_read_inline_data(struct page *page, struct page *ipage); |
3676 | void f2fs_truncate_inline_inode(struct inode *inode, | |
3677 | struct page *ipage, u64 from); | |
cac5a3d8 DS |
3678 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
3679 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
3680 | int f2fs_convert_inline_inode(struct inode *inode); | |
b06af2af | 3681 | int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry); |
cac5a3d8 | 3682 | int f2fs_write_inline_data(struct inode *inode, struct page *page); |
4d57b86d CY |
3683 | bool f2fs_recover_inline_data(struct inode *inode, struct page *npage); |
3684 | struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, | |
cac5a3d8 | 3685 | struct fscrypt_name *fname, struct page **res_page); |
4d57b86d | 3686 | int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 DS |
3687 | struct page *ipage); |
3688 | int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name, | |
3689 | const struct qstr *orig_name, | |
3690 | struct inode *inode, nid_t ino, umode_t mode); | |
4d57b86d CY |
3691 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, |
3692 | struct page *page, struct inode *dir, | |
3693 | struct inode *inode); | |
cac5a3d8 DS |
3694 | bool f2fs_empty_inline_dir(struct inode *dir); |
3695 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
3696 | struct fscrypt_str *fstr); | |
3697 | int f2fs_inline_data_fiemap(struct inode *inode, | |
3698 | struct fiemap_extent_info *fieinfo, | |
3699 | __u64 start, __u64 len); | |
cde4de12 | 3700 | |
2658e50d JK |
3701 | /* |
3702 | * shrinker.c | |
3703 | */ | |
cac5a3d8 DS |
3704 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
3705 | struct shrink_control *sc); | |
3706 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
3707 | struct shrink_control *sc); | |
3708 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
3709 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 3710 | |
a28ef1f5 CY |
3711 | /* |
3712 | * extent_cache.c | |
3713 | */ | |
4dada3fd | 3714 | struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root, |
004b6862 | 3715 | struct rb_entry *cached_re, unsigned int ofs); |
4d57b86d | 3716 | struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, |
4dada3fd CY |
3717 | struct rb_root_cached *root, |
3718 | struct rb_node **parent, | |
3719 | unsigned int ofs, bool *leftmost); | |
3720 | struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root, | |
004b6862 CY |
3721 | struct rb_entry *cached_re, unsigned int ofs, |
3722 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
3723 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
4dada3fd | 3724 | bool force, bool *leftmost); |
4d57b86d | 3725 | bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
4dada3fd | 3726 | struct rb_root_cached *root); |
cac5a3d8 DS |
3727 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
3728 | bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext); | |
3729 | void f2fs_drop_extent_tree(struct inode *inode); | |
3730 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
3731 | void f2fs_destroy_extent_tree(struct inode *inode); | |
3732 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
3733 | struct extent_info *ei); | |
3734 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 3735 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
cac5a3d8 | 3736 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
4d57b86d CY |
3737 | void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); |
3738 | int __init f2fs_create_extent_cache(void); | |
3739 | void f2fs_destroy_extent_cache(void); | |
a28ef1f5 | 3740 | |
8ceffcb2 CY |
3741 | /* |
3742 | * sysfs.c | |
3743 | */ | |
dc6b2055 JK |
3744 | int __init f2fs_init_sysfs(void); |
3745 | void f2fs_exit_sysfs(void); | |
3746 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
3747 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 3748 | |
95ae251f EB |
3749 | /* verity.c */ |
3750 | extern const struct fsverity_operations f2fs_verityops; | |
3751 | ||
cde4de12 JK |
3752 | /* |
3753 | * crypto support | |
3754 | */ | |
1958593e JK |
3755 | static inline bool f2fs_encrypted_file(struct inode *inode) |
3756 | { | |
62230e0d | 3757 | return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode); |
1958593e JK |
3758 | } |
3759 | ||
cde4de12 JK |
3760 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
3761 | { | |
643fa961 | 3762 | #ifdef CONFIG_FS_ENCRYPTION |
cde4de12 | 3763 | file_set_encrypt(inode); |
9149a5eb | 3764 | f2fs_set_inode_flags(inode); |
cde4de12 JK |
3765 | #endif |
3766 | } | |
3767 | ||
6dbb1796 EB |
3768 | /* |
3769 | * Returns true if the reads of the inode's data need to undergo some | |
3770 | * postprocessing step, like decryption or authenticity verification. | |
3771 | */ | |
3772 | static inline bool f2fs_post_read_required(struct inode *inode) | |
cde4de12 | 3773 | { |
4c8ff709 CY |
3774 | return f2fs_encrypted_file(inode) || fsverity_active(inode) || |
3775 | f2fs_compressed_file(inode); | |
3776 | } | |
3777 | ||
3778 | /* | |
3779 | * compress.c | |
3780 | */ | |
3781 | #ifdef CONFIG_F2FS_FS_COMPRESSION | |
3782 | bool f2fs_is_compressed_page(struct page *page); | |
3783 | struct page *f2fs_compress_control_page(struct page *page); | |
3784 | int f2fs_prepare_compress_overwrite(struct inode *inode, | |
3785 | struct page **pagep, pgoff_t index, void **fsdata); | |
3786 | bool f2fs_compress_write_end(struct inode *inode, void *fsdata, | |
3787 | pgoff_t index, unsigned copied); | |
3788 | void f2fs_compress_write_end_io(struct bio *bio, struct page *page); | |
3789 | bool f2fs_is_compress_backend_ready(struct inode *inode); | |
3790 | void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity); | |
3791 | bool f2fs_cluster_is_empty(struct compress_ctx *cc); | |
3792 | bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); | |
3793 | void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); | |
3794 | int f2fs_write_multi_pages(struct compress_ctx *cc, | |
3795 | int *submitted, | |
3796 | struct writeback_control *wbc, | |
3797 | enum iostat_type io_type); | |
3798 | int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index); | |
3799 | int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, | |
3800 | unsigned nr_pages, sector_t *last_block_in_bio, | |
0683728a | 3801 | bool is_readahead, bool for_write); |
4c8ff709 CY |
3802 | struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc); |
3803 | void f2fs_free_dic(struct decompress_io_ctx *dic); | |
3804 | void f2fs_decompress_end_io(struct page **rpages, | |
3805 | unsigned int cluster_size, bool err, bool verity); | |
3806 | int f2fs_init_compress_ctx(struct compress_ctx *cc); | |
3807 | void f2fs_destroy_compress_ctx(struct compress_ctx *cc); | |
3808 | void f2fs_init_compress_info(struct f2fs_sb_info *sbi); | |
3809 | #else | |
3810 | static inline bool f2fs_is_compressed_page(struct page *page) { return false; } | |
3811 | static inline bool f2fs_is_compress_backend_ready(struct inode *inode) | |
3812 | { | |
3813 | if (!f2fs_compressed_file(inode)) | |
3814 | return true; | |
3815 | /* not support compression */ | |
3816 | return false; | |
3817 | } | |
3818 | static inline struct page *f2fs_compress_control_page(struct page *page) | |
3819 | { | |
3820 | WARN_ON_ONCE(1); | |
3821 | return ERR_PTR(-EINVAL); | |
3822 | } | |
3823 | #endif | |
3824 | ||
3825 | static inline void set_compress_context(struct inode *inode) | |
3826 | { | |
3827 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
3828 | ||
3829 | F2FS_I(inode)->i_compress_algorithm = | |
3830 | F2FS_OPTION(sbi).compress_algorithm; | |
3831 | F2FS_I(inode)->i_log_cluster_size = | |
3832 | F2FS_OPTION(sbi).compress_log_size; | |
3833 | F2FS_I(inode)->i_cluster_size = | |
3834 | 1 << F2FS_I(inode)->i_log_cluster_size; | |
3835 | F2FS_I(inode)->i_flags |= F2FS_COMPR_FL; | |
3836 | set_inode_flag(inode, FI_COMPRESSED_FILE); | |
3837 | stat_inc_compr_inode(inode); | |
530e0704 | 3838 | f2fs_mark_inode_dirty_sync(inode, true); |
4c8ff709 CY |
3839 | } |
3840 | ||
3841 | static inline u64 f2fs_disable_compressed_file(struct inode *inode) | |
3842 | { | |
3843 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
3844 | ||
3845 | if (!f2fs_compressed_file(inode)) | |
3846 | return 0; | |
6cfdf15f CY |
3847 | if (get_dirty_pages(inode)) |
3848 | return 1; | |
4c8ff709 CY |
3849 | if (fi->i_compr_blocks) |
3850 | return fi->i_compr_blocks; | |
3851 | ||
3852 | fi->i_flags &= ~F2FS_COMPR_FL; | |
4c8ff709 | 3853 | stat_dec_compr_inode(inode); |
96f5b4fa | 3854 | clear_inode_flag(inode, FI_COMPRESSED_FILE); |
530e0704 | 3855 | f2fs_mark_inode_dirty_sync(inode, true); |
4c8ff709 | 3856 | return 0; |
cde4de12 JK |
3857 | } |
3858 | ||
ccd31cb2 | 3859 | #define F2FS_FEATURE_FUNCS(name, flagname) \ |
7beb01f7 | 3860 | static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \ |
ccd31cb2 | 3861 | { \ |
7beb01f7 | 3862 | return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \ |
52763a4b JK |
3863 | } |
3864 | ||
ccd31cb2 SY |
3865 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); |
3866 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); | |
3867 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); | |
3868 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); | |
3869 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); | |
3870 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); | |
3871 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); | |
3872 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); | |
b7c409de | 3873 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); |
95ae251f | 3874 | F2FS_FEATURE_FUNCS(verity, VERITY); |
d440c52d | 3875 | F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM); |
5aba5430 | 3876 | F2FS_FEATURE_FUNCS(casefold, CASEFOLD); |
4c8ff709 | 3877 | F2FS_FEATURE_FUNCS(compression, COMPRESSION); |
1c1d35df | 3878 | |
178053e2 | 3879 | #ifdef CONFIG_BLK_DEV_ZONED |
95175daf DLM |
3880 | static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi, |
3881 | block_t blkaddr) | |
178053e2 DLM |
3882 | { |
3883 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
3884 | ||
95175daf | 3885 | return test_bit(zno, FDEV(devi).blkz_seq); |
178053e2 DLM |
3886 | } |
3887 | #endif | |
3888 | ||
7d20c8ab | 3889 | static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi) |
52763a4b | 3890 | { |
7beb01f7 | 3891 | return f2fs_sb_has_blkzoned(sbi); |
7d20c8ab | 3892 | } |
96ba2dec | 3893 | |
7f3d7719 DLM |
3894 | static inline bool f2fs_bdev_support_discard(struct block_device *bdev) |
3895 | { | |
3896 | return blk_queue_discard(bdev_get_queue(bdev)) || | |
3897 | bdev_is_zoned(bdev); | |
3898 | } | |
3899 | ||
7d20c8ab CY |
3900 | static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi) |
3901 | { | |
7f3d7719 DLM |
3902 | int i; |
3903 | ||
3904 | if (!f2fs_is_multi_device(sbi)) | |
3905 | return f2fs_bdev_support_discard(sbi->sb->s_bdev); | |
3906 | ||
3907 | for (i = 0; i < sbi->s_ndevs; i++) | |
3908 | if (f2fs_bdev_support_discard(FDEV(i).bdev)) | |
3909 | return true; | |
3910 | return false; | |
7d20c8ab CY |
3911 | } |
3912 | ||
3913 | static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi) | |
3914 | { | |
3915 | return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || | |
3916 | f2fs_hw_should_discard(sbi); | |
52763a4b JK |
3917 | } |
3918 | ||
f824deb5 CY |
3919 | static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi) |
3920 | { | |
3921 | int i; | |
3922 | ||
3923 | if (!f2fs_is_multi_device(sbi)) | |
3924 | return bdev_read_only(sbi->sb->s_bdev); | |
3925 | ||
3926 | for (i = 0; i < sbi->s_ndevs; i++) | |
3927 | if (bdev_read_only(FDEV(i).bdev)) | |
3928 | return true; | |
3929 | return false; | |
3930 | } | |
3931 | ||
b0332a0f | 3932 | static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi) |
52763a4b | 3933 | { |
b0332a0f | 3934 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS; |
52763a4b JK |
3935 | } |
3936 | ||
8c7d4b57 | 3937 | static inline bool f2fs_may_encrypt(struct inode *dir, struct inode *inode) |
fcc85a4d | 3938 | { |
643fa961 | 3939 | #ifdef CONFIG_FS_ENCRYPTION |
8c7d4b57 | 3940 | struct f2fs_sb_info *sbi = F2FS_I_SB(dir); |
886f56f9 | 3941 | umode_t mode = inode->i_mode; |
fcc85a4d | 3942 | |
8c7d4b57 CY |
3943 | /* |
3944 | * If the directory encrypted or dummy encryption enabled, | |
3945 | * then we should encrypt the inode. | |
3946 | */ | |
3947 | if (IS_ENCRYPTED(dir) || DUMMY_ENCRYPTION_ENABLED(sbi)) | |
3948 | return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)); | |
fcc85a4d | 3949 | #endif |
8c7d4b57 | 3950 | return false; |
fcc85a4d JK |
3951 | } |
3952 | ||
4c8ff709 CY |
3953 | static inline bool f2fs_may_compress(struct inode *inode) |
3954 | { | |
3955 | if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) || | |
3956 | f2fs_is_atomic_file(inode) || | |
3957 | f2fs_is_volatile_file(inode)) | |
3958 | return false; | |
3959 | return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode); | |
3960 | } | |
3961 | ||
3962 | static inline void f2fs_i_compr_blocks_update(struct inode *inode, | |
3963 | u64 blocks, bool add) | |
3964 | { | |
3965 | int diff = F2FS_I(inode)->i_cluster_size - blocks; | |
3966 | ||
3967 | if (add) { | |
3968 | F2FS_I(inode)->i_compr_blocks += diff; | |
3969 | stat_add_compr_blocks(inode, diff); | |
3970 | } else { | |
3971 | F2FS_I(inode)->i_compr_blocks -= diff; | |
3972 | stat_sub_compr_blocks(inode, diff); | |
3973 | } | |
3974 | f2fs_mark_inode_dirty_sync(inode, true); | |
3975 | } | |
3976 | ||
f847c699 CY |
3977 | static inline int block_unaligned_IO(struct inode *inode, |
3978 | struct kiocb *iocb, struct iov_iter *iter) | |
b91050a8 | 3979 | { |
f847c699 CY |
3980 | unsigned int i_blkbits = READ_ONCE(inode->i_blkbits); |
3981 | unsigned int blocksize_mask = (1 << i_blkbits) - 1; | |
3982 | loff_t offset = iocb->ki_pos; | |
3983 | unsigned long align = offset | iov_iter_alignment(iter); | |
3984 | ||
3985 | return align & blocksize_mask; | |
3986 | } | |
3987 | ||
3988 | static inline int allow_outplace_dio(struct inode *inode, | |
3989 | struct kiocb *iocb, struct iov_iter *iter) | |
3990 | { | |
3991 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
3992 | int rw = iov_iter_rw(iter); | |
3993 | ||
b0332a0f | 3994 | return (f2fs_lfs_mode(sbi) && (rw == WRITE) && |
f847c699 CY |
3995 | !block_unaligned_IO(inode, iocb, iter)); |
3996 | } | |
3997 | ||
3998 | static inline bool f2fs_force_buffered_io(struct inode *inode, | |
3999 | struct kiocb *iocb, struct iov_iter *iter) | |
4000 | { | |
4001 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
4002 | int rw = iov_iter_rw(iter); | |
4003 | ||
4004 | if (f2fs_post_read_required(inode)) | |
4005 | return true; | |
0916878d | 4006 | if (f2fs_is_multi_device(sbi)) |
f847c699 | 4007 | return true; |
4c8ff709 CY |
4008 | if (f2fs_compressed_file(inode)) |
4009 | return true; | |
f847c699 CY |
4010 | /* |
4011 | * for blkzoned device, fallback direct IO to buffered IO, so | |
4012 | * all IOs can be serialized by log-structured write. | |
4013 | */ | |
7beb01f7 | 4014 | if (f2fs_sb_has_blkzoned(sbi)) |
f847c699 | 4015 | return true; |
b0332a0f | 4016 | if (f2fs_lfs_mode(sbi) && (rw == WRITE)) { |
9720ee80 CY |
4017 | if (block_unaligned_IO(inode, iocb, iter)) |
4018 | return true; | |
4019 | if (F2FS_IO_ALIGNED(sbi)) | |
4020 | return true; | |
4021 | } | |
4969c06a | 4022 | if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED) && |
3ee0c5d3 | 4023 | !IS_SWAPFILE(inode)) |
4354994f DR |
4024 | return true; |
4025 | ||
f847c699 | 4026 | return false; |
b91050a8 HL |
4027 | } |
4028 | ||
83a3bfdb | 4029 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
4030 | extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
4031 | unsigned int type); | |
83a3bfdb | 4032 | #else |
d494500a | 4033 | #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0) |
83a3bfdb JK |
4034 | #endif |
4035 | ||
af033b2a CY |
4036 | static inline bool is_journalled_quota(struct f2fs_sb_info *sbi) |
4037 | { | |
4038 | #ifdef CONFIG_QUOTA | |
7beb01f7 | 4039 | if (f2fs_sb_has_quota_ino(sbi)) |
af033b2a CY |
4040 | return true; |
4041 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || | |
4042 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
4043 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4044 | return true; | |
4045 | #endif | |
4046 | return false; | |
4047 | } | |
0af725fc | 4048 | |
10f966bb CY |
4049 | #define EFSBADCRC EBADMSG /* Bad CRC detected */ |
4050 | #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ | |
4051 | ||
e1074d4b | 4052 | #endif /* _LINUX_F2FS_H */ |