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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) |
e9750824 | 429 | |
4507847c CY |
430 | #define F2FS_IOC_GET_VOLUME_NAME FS_IOC_GETFSLABEL |
431 | #define F2FS_IOC_SET_VOLUME_NAME FS_IOC_SETFSLABEL | |
432 | ||
0b81d077 JK |
433 | #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY |
434 | #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY | |
435 | #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT | |
f424f664 | 436 | |
1abff93d JK |
437 | /* |
438 | * should be same as XFS_IOC_GOINGDOWN. | |
439 | * Flags for going down operation used by FS_IOC_GOINGDOWN | |
440 | */ | |
441 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ | |
442 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ | |
443 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ | |
444 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ | |
c912a829 | 445 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
0cd6d9b0 | 446 | #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ |
1abff93d | 447 | |
e9750824 NJ |
448 | #if defined(__KERNEL__) && defined(CONFIG_COMPAT) |
449 | /* | |
450 | * ioctl commands in 32 bit emulation | |
451 | */ | |
04ef4b62 CY |
452 | #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS |
453 | #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS | |
454 | #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION | |
e9750824 NJ |
455 | #endif |
456 | ||
2c1d0305 CY |
457 | #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
458 | #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
459 | ||
34dc77ad JK |
460 | struct f2fs_gc_range { |
461 | u32 sync; | |
462 | u64 start; | |
463 | u64 len; | |
464 | }; | |
465 | ||
d323d005 CY |
466 | struct f2fs_defragment { |
467 | u64 start; | |
468 | u64 len; | |
469 | }; | |
470 | ||
4dd6f977 JK |
471 | struct f2fs_move_range { |
472 | u32 dst_fd; /* destination fd */ | |
473 | u64 pos_in; /* start position in src_fd */ | |
474 | u64 pos_out; /* start position in dst_fd */ | |
475 | u64 len; /* size to move */ | |
476 | }; | |
477 | ||
e066b83c JK |
478 | struct f2fs_flush_device { |
479 | u32 dev_num; /* device number to flush */ | |
480 | u32 segments; /* # of segments to flush */ | |
481 | }; | |
482 | ||
f2470371 CY |
483 | /* for inline stuff */ |
484 | #define DEF_INLINE_RESERVED_SIZE 1 | |
7a2af766 | 485 | static inline int get_extra_isize(struct inode *inode); |
6afc662e | 486 | static inline int get_inline_xattr_addrs(struct inode *inode); |
6afc662e CY |
487 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ |
488 | (CUR_ADDRS_PER_INODE(inode) - \ | |
b323fd28 | 489 | get_inline_xattr_addrs(inode) - \ |
6afc662e | 490 | DEF_INLINE_RESERVED_SIZE)) |
f2470371 CY |
491 | |
492 | /* for inline dir */ | |
493 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
494 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
495 | BITS_PER_BYTE + 1)) | |
f91108b8 GU |
496 | #define INLINE_DENTRY_BITMAP_SIZE(inode) \ |
497 | DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE) | |
f2470371 CY |
498 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ |
499 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
500 | NR_INLINE_DENTRY(inode) + \ | |
501 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
502 | ||
39a53e0c JK |
503 | /* |
504 | * For INODE and NODE manager | |
505 | */ | |
7b3cd7d6 JK |
506 | /* for directory operations */ |
507 | struct f2fs_dentry_ptr { | |
d8c6822a | 508 | struct inode *inode; |
76a9dd85 | 509 | void *bitmap; |
7b3cd7d6 JK |
510 | struct f2fs_dir_entry *dentry; |
511 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
512 | int max; | |
76a9dd85 | 513 | int nr_bitmap; |
7b3cd7d6 JK |
514 | }; |
515 | ||
64c24ecb TK |
516 | static inline void make_dentry_ptr_block(struct inode *inode, |
517 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 518 | { |
d8c6822a | 519 | d->inode = inode; |
64c24ecb | 520 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 521 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
c79d1520 | 522 | d->bitmap = t->dentry_bitmap; |
64c24ecb TK |
523 | d->dentry = t->dentry; |
524 | d->filename = t->filename; | |
525 | } | |
d8c6822a | 526 | |
64c24ecb | 527 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 528 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 529 | { |
f2470371 CY |
530 | int entry_cnt = NR_INLINE_DENTRY(inode); |
531 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
532 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
533 | ||
64c24ecb | 534 | d->inode = inode; |
f2470371 CY |
535 | d->max = entry_cnt; |
536 | d->nr_bitmap = bitmap_size; | |
537 | d->bitmap = t; | |
538 | d->dentry = t + bitmap_size + reserved_size; | |
539 | d->filename = t + bitmap_size + reserved_size + | |
540 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
541 | } |
542 | ||
dbe6a5ff JK |
543 | /* |
544 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
545 | * as its node offset to distinguish from index node blocks. | |
546 | * But some bits are used to mark the node block. | |
547 | */ | |
548 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
549 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
550 | enum { |
551 | ALLOC_NODE, /* allocate a new node page if needed */ | |
552 | LOOKUP_NODE, /* look up a node without readahead */ | |
553 | LOOKUP_NODE_RA, /* | |
554 | * look up a node with readahead called | |
4f4124d0 | 555 | * by get_data_block. |
39a53e0c | 556 | */ |
266e97a8 JK |
557 | }; |
558 | ||
7735730d CY |
559 | #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */ |
560 | ||
5df7731f CY |
561 | /* congestion wait timeout value, default: 20ms */ |
562 | #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20)) | |
563 | ||
af033b2a CY |
564 | /* maximum retry quota flush count */ |
565 | #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8 | |
566 | ||
a6db67f0 | 567 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 568 | |
817202d9 CY |
569 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
570 | ||
39a53e0c | 571 | /* for in-memory extent cache entry */ |
13054c54 CY |
572 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
573 | ||
574 | /* number of extent info in extent cache we try to shrink */ | |
575 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 576 | |
54c2258c CY |
577 | struct rb_entry { |
578 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
579 | unsigned int ofs; /* start offset of the entry */ | |
580 | unsigned int len; /* length of the entry */ | |
581 | }; | |
582 | ||
39a53e0c | 583 | struct extent_info { |
13054c54 | 584 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 585 | unsigned int len; /* length of the extent */ |
54c2258c | 586 | u32 blk; /* start block address of the extent */ |
13054c54 CY |
587 | }; |
588 | ||
589 | struct extent_node { | |
c0362117 CY |
590 | struct rb_node rb_node; /* rb node located in rb-tree */ |
591 | struct extent_info ei; /* extent info */ | |
13054c54 | 592 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 593 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
594 | }; |
595 | ||
596 | struct extent_tree { | |
597 | nid_t ino; /* inode number */ | |
4dada3fd | 598 | struct rb_root_cached root; /* root of extent info rb-tree */ |
62c8af65 | 599 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 600 | struct extent_info largest; /* largested extent info */ |
137d09f0 | 601 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 602 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 603 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
b430f726 | 604 | bool largest_updated; /* largest extent updated */ |
39a53e0c JK |
605 | }; |
606 | ||
003a3e1d JK |
607 | /* |
608 | * This structure is taken from ext4_map_blocks. | |
609 | * | |
610 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
611 | */ | |
612 | #define F2FS_MAP_NEW (1 << BH_New) | |
613 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
614 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
615 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
616 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
617 | |
618 | struct f2fs_map_blocks { | |
619 | block_t m_pblk; | |
620 | block_t m_lblk; | |
621 | unsigned int m_len; | |
622 | unsigned int m_flags; | |
da85985c | 623 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
c4020b2d | 624 | pgoff_t *m_next_extent; /* point to next possible extent */ |
d5097be5 | 625 | int m_seg_type; |
f9d6d059 | 626 | bool m_may_create; /* indicate it is from write path */ |
003a3e1d JK |
627 | }; |
628 | ||
e2b4e2bc | 629 | /* for flag in get_data_block */ |
f2220c7f QS |
630 | enum { |
631 | F2FS_GET_BLOCK_DEFAULT, | |
632 | F2FS_GET_BLOCK_FIEMAP, | |
633 | F2FS_GET_BLOCK_BMAP, | |
0a4daae5 | 634 | F2FS_GET_BLOCK_DIO, |
f2220c7f QS |
635 | F2FS_GET_BLOCK_PRE_DIO, |
636 | F2FS_GET_BLOCK_PRE_AIO, | |
c4020b2d | 637 | F2FS_GET_BLOCK_PRECACHE, |
f2220c7f | 638 | }; |
e2b4e2bc | 639 | |
39a53e0c JK |
640 | /* |
641 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
642 | */ | |
643 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 644 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 645 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 646 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 647 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
b6a06cbb | 648 | #define FADVISE_HOT_BIT 0x20 |
95ae251f | 649 | #define FADVISE_VERITY_BIT 0x40 |
39a53e0c | 650 | |
797c1cb5 CY |
651 | #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT) |
652 | ||
b5492af7 JK |
653 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
654 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
655 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) | |
656 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
657 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) | |
658 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) | |
cde4de12 JK |
659 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
660 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
661 | #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT) | |
e7d55452 JK |
662 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
663 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
26787236 JK |
664 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
665 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
b6a06cbb CY |
666 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) |
667 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) | |
668 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) | |
95ae251f EB |
669 | #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT) |
670 | #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT) | |
cde4de12 | 671 | |
ab9fa662 JK |
672 | #define DEF_DIR_LEVEL 0 |
673 | ||
2ef79ecb CY |
674 | enum { |
675 | GC_FAILURE_PIN, | |
676 | GC_FAILURE_ATOMIC, | |
677 | MAX_GC_FAILURE | |
678 | }; | |
679 | ||
39a53e0c JK |
680 | struct f2fs_inode_info { |
681 | struct inode vfs_inode; /* serve a vfs inode */ | |
682 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
683 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 684 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
2ef79ecb CY |
685 | unsigned int i_current_depth; /* only for directory depth */ |
686 | /* for gc failure statistic */ | |
687 | unsigned int i_gc_failures[MAX_GC_FAILURE]; | |
6666e6aa | 688 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
689 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
690 | ||
691 | /* Use below internally in f2fs*/ | |
692 | unsigned long flags; /* use to pass per-file flags */ | |
d928bfbf | 693 | struct rw_semaphore i_sem; /* protect fi info */ |
204706c7 | 694 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
695 | f2fs_hash_t chash; /* hash value of given file name */ |
696 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 697 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 698 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
39a53e0c | 699 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 700 | loff_t last_disk_size; /* lastly written file size */ |
c10c9820 | 701 | spinlock_t i_size_lock; /* protect last_disk_size */ |
88b88a66 | 702 | |
0abd675e CY |
703 | #ifdef CONFIG_QUOTA |
704 | struct dquot *i_dquot[MAXQUOTAS]; | |
705 | ||
706 | /* quota space reservation, managed internally by quota code */ | |
707 | qsize_t i_reserved_quota; | |
708 | #endif | |
0f18b462 JK |
709 | struct list_head dirty_list; /* dirty list for dirs and files */ |
710 | struct list_head gdirty_list; /* linked in global dirty list */ | |
57864ae5 | 711 | struct list_head inmem_ilist; /* list for inmem inodes */ |
88b88a66 | 712 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
7a10f017 | 713 | struct task_struct *inmem_task; /* store inmemory task */ |
88b88a66 | 714 | struct mutex inmem_lock; /* lock for inmemory pages */ |
3e72f721 | 715 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
b2532c69 CY |
716 | |
717 | /* avoid racing between foreground op and gc */ | |
718 | struct rw_semaphore i_gc_rwsem[2]; | |
5a3a2d83 | 719 | struct rw_semaphore i_mmap_sem; |
27161f13 | 720 | struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ |
f2470371 | 721 | |
7a2af766 | 722 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 723 | kprojid_t i_projid; /* id for project quota */ |
6afc662e | 724 | int i_inline_xattr_size; /* inline xattr size */ |
24b81dfc AB |
725 | struct timespec64 i_crtime; /* inode creation time */ |
726 | struct timespec64 i_disk_time[4];/* inode disk times */ | |
4c8ff709 CY |
727 | |
728 | /* for file compress */ | |
729 | u64 i_compr_blocks; /* # of compressed blocks */ | |
730 | unsigned char i_compress_algorithm; /* algorithm type */ | |
731 | unsigned char i_log_cluster_size; /* log of cluster size */ | |
732 | unsigned int i_cluster_size; /* cluster size */ | |
39a53e0c JK |
733 | }; |
734 | ||
735 | static inline void get_extent_info(struct extent_info *ext, | |
bd933d4f | 736 | struct f2fs_extent *i_ext) |
39a53e0c | 737 | { |
bd933d4f CY |
738 | ext->fofs = le32_to_cpu(i_ext->fofs); |
739 | ext->blk = le32_to_cpu(i_ext->blk); | |
740 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
741 | } |
742 | ||
743 | static inline void set_raw_extent(struct extent_info *ext, | |
744 | struct f2fs_extent *i_ext) | |
745 | { | |
39a53e0c | 746 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 747 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 748 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
749 | } |
750 | ||
429511cd CY |
751 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
752 | u32 blk, unsigned int len) | |
753 | { | |
754 | ei->fofs = fofs; | |
755 | ei->blk = blk; | |
756 | ei->len = len; | |
757 | } | |
758 | ||
004b6862 | 759 | static inline bool __is_discard_mergeable(struct discard_info *back, |
35ec7d57 | 760 | struct discard_info *front, unsigned int max_len) |
004b6862 | 761 | { |
9a997188 | 762 | return (back->lstart + back->len == front->lstart) && |
35ec7d57 | 763 | (back->len + front->len <= max_len); |
004b6862 CY |
764 | } |
765 | ||
766 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
35ec7d57 | 767 | struct discard_info *back, unsigned int max_len) |
004b6862 | 768 | { |
35ec7d57 | 769 | return __is_discard_mergeable(back, cur, max_len); |
004b6862 CY |
770 | } |
771 | ||
772 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
35ec7d57 | 773 | struct discard_info *front, unsigned int max_len) |
004b6862 | 774 | { |
35ec7d57 | 775 | return __is_discard_mergeable(cur, front, max_len); |
004b6862 CY |
776 | } |
777 | ||
429511cd CY |
778 | static inline bool __is_extent_mergeable(struct extent_info *back, |
779 | struct extent_info *front) | |
780 | { | |
781 | return (back->fofs + back->len == front->fofs && | |
782 | back->blk + back->len == front->blk); | |
783 | } | |
784 | ||
785 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
786 | struct extent_info *back) | |
787 | { | |
788 | return __is_extent_mergeable(back, cur); | |
789 | } | |
790 | ||
791 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
792 | struct extent_info *front) | |
793 | { | |
794 | return __is_extent_mergeable(cur, front); | |
795 | } | |
796 | ||
cac5a3d8 | 797 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
b430f726 ZZ |
798 | static inline void __try_update_largest_extent(struct extent_tree *et, |
799 | struct extent_node *en) | |
4abd3f5a | 800 | { |
205b9822 | 801 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 802 | et->largest = en->ei; |
b430f726 | 803 | et->largest_updated = true; |
205b9822 | 804 | } |
4abd3f5a CY |
805 | } |
806 | ||
9a4ffdf5 CY |
807 | /* |
808 | * For free nid management | |
809 | */ | |
810 | enum nid_state { | |
811 | FREE_NID, /* newly added to free nid list */ | |
812 | PREALLOC_NID, /* it is preallocated */ | |
813 | MAX_NID_STATE, | |
b8559dc2 CY |
814 | }; |
815 | ||
39a53e0c JK |
816 | struct f2fs_nm_info { |
817 | block_t nat_blkaddr; /* base disk address of NAT */ | |
818 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 819 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 820 | nid_t next_scan_nid; /* the next nid to be scanned */ |
cdfc41c1 | 821 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 822 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 823 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
824 | |
825 | /* NAT cache management */ | |
826 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 827 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
b873b798 | 828 | struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */ |
39a53e0c | 829 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
22969158 | 830 | spinlock_t nat_list_lock; /* protect clean nat entry list */ |
309cc2b6 | 831 | unsigned int nat_cnt; /* the # of cached nat entries */ |
aec71382 | 832 | unsigned int dirty_nat_cnt; /* total num of nat entries in set */ |
22ad0b6a | 833 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
834 | |
835 | /* free node ids management */ | |
8a7ed66a | 836 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
9a4ffdf5 CY |
837 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
838 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
b8559dc2 | 839 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 840 | struct mutex build_lock; /* lock for build free nids */ |
bb1105e4 | 841 | unsigned char **free_nid_bitmap; |
4ac91242 | 842 | unsigned char *nat_block_bitmap; |
586d1492 | 843 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
844 | |
845 | /* for checkpoint */ | |
846 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
847 | |
848 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
849 | unsigned char *nat_bits; /* NAT bits blocks */ | |
850 | unsigned char *full_nat_bits; /* full NAT pages */ | |
851 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
852 | #ifdef CONFIG_F2FS_CHECK_FS |
853 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
854 | #endif | |
39a53e0c JK |
855 | int bitmap_size; /* bitmap size */ |
856 | }; | |
857 | ||
858 | /* | |
859 | * this structure is used as one of function parameters. | |
860 | * all the information are dedicated to a given direct node block determined | |
861 | * by the data offset in a file. | |
862 | */ | |
863 | struct dnode_of_data { | |
864 | struct inode *inode; /* vfs inode pointer */ | |
865 | struct page *inode_page; /* its inode page, NULL is possible */ | |
866 | struct page *node_page; /* cached direct node page */ | |
867 | nid_t nid; /* node id of the direct node block */ | |
868 | unsigned int ofs_in_node; /* data offset in the node page */ | |
869 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 870 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
871 | char cur_level; /* level of hole node page */ |
872 | char max_level; /* level of current page located */ | |
39a53e0c JK |
873 | block_t data_blkaddr; /* block address of the node block */ |
874 | }; | |
875 | ||
876 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
877 | struct page *ipage, struct page *npage, nid_t nid) | |
878 | { | |
d66d1f76 | 879 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
880 | dn->inode = inode; |
881 | dn->inode_page = ipage; | |
882 | dn->node_page = npage; | |
883 | dn->nid = nid; | |
39a53e0c JK |
884 | } |
885 | ||
886 | /* | |
887 | * For SIT manager | |
888 | * | |
889 | * By default, there are 6 active log areas across the whole main area. | |
890 | * When considering hot and cold data separation to reduce cleaning overhead, | |
891 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
892 | * respectively. | |
893 | * In the current design, you should not change the numbers intentionally. | |
894 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
895 | * logs individually according to the underlying devices. (default: 6) | |
896 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
897 | * data and 8 for node logs. | |
898 | */ | |
899 | #define NR_CURSEG_DATA_TYPE (3) | |
900 | #define NR_CURSEG_NODE_TYPE (3) | |
901 | #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) | |
902 | ||
903 | enum { | |
904 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
905 | CURSEG_WARM_DATA, /* data blocks */ | |
906 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
907 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
908 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
909 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
38aa0889 | 910 | NO_CHECK_TYPE, |
f5a53edc | 911 | CURSEG_COLD_DATA_PINNED,/* cold data for pinned file */ |
39a53e0c JK |
912 | }; |
913 | ||
6b4afdd7 | 914 | struct flush_cmd { |
6b4afdd7 | 915 | struct completion wait; |
721bd4d5 | 916 | struct llist_node llnode; |
39d787be | 917 | nid_t ino; |
6b4afdd7 JK |
918 | int ret; |
919 | }; | |
920 | ||
a688b9d9 GZ |
921 | struct flush_cmd_control { |
922 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
923 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f | 924 | atomic_t issued_flush; /* # of issued flushes */ |
72691af6 | 925 | atomic_t queued_flush; /* # of queued flushes */ |
721bd4d5 GZ |
926 | struct llist_head issue_list; /* list for command issue */ |
927 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
928 | }; |
929 | ||
39a53e0c JK |
930 | struct f2fs_sm_info { |
931 | struct sit_info *sit_info; /* whole segment information */ | |
932 | struct free_segmap_info *free_info; /* free segment information */ | |
933 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
934 | struct curseg_info *curseg_array; /* active segment information */ | |
935 | ||
2b60311d CY |
936 | struct rw_semaphore curseg_lock; /* for preventing curseg change */ |
937 | ||
39a53e0c JK |
938 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
939 | block_t main_blkaddr; /* start block address of main area */ | |
940 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
941 | ||
942 | unsigned int segment_count; /* total # of segments */ | |
943 | unsigned int main_segments; /* # of segments in main area */ | |
944 | unsigned int reserved_segments; /* # of reserved segments */ | |
945 | unsigned int ovp_segments; /* # of overprovision segments */ | |
81eb8d6e JK |
946 | |
947 | /* a threshold to reclaim prefree segments */ | |
948 | unsigned int rec_prefree_segments; | |
7fd9e544 | 949 | |
bba681cb JK |
950 | /* for batched trimming */ |
951 | unsigned int trim_sections; /* # of sections to trim */ | |
952 | ||
184a5cd2 CY |
953 | struct list_head sit_entry_set; /* sit entry set list */ |
954 | ||
216fbd64 JK |
955 | unsigned int ipu_policy; /* in-place-update policy */ |
956 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 957 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
853137ce | 958 | unsigned int min_seq_blocks; /* threshold for sequential blocks */ |
ef095d19 | 959 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
a2a12b67 | 960 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
961 | |
962 | /* for flush command control */ | |
b01a9201 | 963 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 964 | |
0b54fb84 JK |
965 | /* for discard command control */ |
966 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
967 | }; |
968 | ||
39a53e0c JK |
969 | /* |
970 | * For superblock | |
971 | */ | |
972 | /* | |
973 | * COUNT_TYPE for monitoring | |
974 | * | |
975 | * f2fs monitors the number of several block types such as on-writeback, | |
976 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
977 | */ | |
36951b38 | 978 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 979 | enum count_type { |
39a53e0c | 980 | F2FS_DIRTY_DENTS, |
c227f912 | 981 | F2FS_DIRTY_DATA, |
2c8a4a28 | 982 | F2FS_DIRTY_QDATA, |
39a53e0c JK |
983 | F2FS_DIRTY_NODES, |
984 | F2FS_DIRTY_META, | |
8dcf2ff7 | 985 | F2FS_INMEM_PAGES, |
0f18b462 | 986 | F2FS_DIRTY_IMETA, |
36951b38 CY |
987 | F2FS_WB_CP_DATA, |
988 | F2FS_WB_DATA, | |
5f9abab4 JK |
989 | F2FS_RD_DATA, |
990 | F2FS_RD_NODE, | |
991 | F2FS_RD_META, | |
02b16d0a CY |
992 | F2FS_DIO_WRITE, |
993 | F2FS_DIO_READ, | |
39a53e0c JK |
994 | NR_COUNT_TYPE, |
995 | }; | |
996 | ||
39a53e0c | 997 | /* |
e1c42045 | 998 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
999 | * The available types are: |
1000 | * DATA User data pages. It operates as async mode. | |
1001 | * NODE Node pages. It operates as async mode. | |
1002 | * META FS metadata pages such as SIT, NAT, CP. | |
1003 | * NR_PAGE_TYPE The number of page types. | |
1004 | * META_FLUSH Make sure the previous pages are written | |
1005 | * with waiting the bio's completion | |
1006 | * ... Only can be used with META. | |
1007 | */ | |
7d5e5109 | 1008 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c JK |
1009 | enum page_type { |
1010 | DATA, | |
1011 | NODE, | |
1012 | META, | |
1013 | NR_PAGE_TYPE, | |
1014 | META_FLUSH, | |
8ce67cb0 JK |
1015 | INMEM, /* the below types are used by tracepoints only. */ |
1016 | INMEM_DROP, | |
8c242db9 | 1017 | INMEM_INVALIDATE, |
28bc106b | 1018 | INMEM_REVOKE, |
8ce67cb0 JK |
1019 | IPU, |
1020 | OPU, | |
39a53e0c JK |
1021 | }; |
1022 | ||
a912b54d JK |
1023 | enum temp_type { |
1024 | HOT = 0, /* must be zero for meta bio */ | |
1025 | WARM, | |
1026 | COLD, | |
1027 | NR_TEMP_TYPE, | |
1028 | }; | |
1029 | ||
cc15620b JK |
1030 | enum need_lock_type { |
1031 | LOCK_REQ = 0, | |
1032 | LOCK_DONE, | |
1033 | LOCK_RETRY, | |
1034 | }; | |
1035 | ||
a5fd5050 CY |
1036 | enum cp_reason_type { |
1037 | CP_NO_NEEDED, | |
1038 | CP_NON_REGULAR, | |
4c8ff709 | 1039 | CP_COMPRESSED, |
a5fd5050 CY |
1040 | CP_HARDLINK, |
1041 | CP_SB_NEED_CP, | |
1042 | CP_WRONG_PINO, | |
1043 | CP_NO_SPC_ROLL, | |
1044 | CP_NODE_NEED_CP, | |
1045 | CP_FASTBOOT_MODE, | |
1046 | CP_SPEC_LOG_NUM, | |
0a007b97 | 1047 | CP_RECOVER_DIR, |
a5fd5050 CY |
1048 | }; |
1049 | ||
b0af6d49 CY |
1050 | enum iostat_type { |
1051 | APP_DIRECT_IO, /* app direct IOs */ | |
1052 | APP_BUFFERED_IO, /* app buffered IOs */ | |
1053 | APP_WRITE_IO, /* app write IOs */ | |
1054 | APP_MAPPED_IO, /* app mapped IOs */ | |
1055 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
1056 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
1057 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
1058 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
1059 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
1060 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
1061 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
1062 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
1063 | FS_DISCARD, /* discard */ | |
1064 | NR_IO_TYPE, | |
1065 | }; | |
1066 | ||
458e6197 | 1067 | struct f2fs_io_info { |
05ca3632 | 1068 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
39d787be | 1069 | nid_t ino; /* inode number */ |
7e8f2308 | 1070 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 1071 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
04d328de | 1072 | int op; /* contains REQ_OP_ */ |
ef295ecf | 1073 | int op_flags; /* req_flag_bits */ |
7a9d7548 | 1074 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 1075 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 1076 | struct page *page; /* page to be written */ |
4375a336 | 1077 | struct page *encrypted_page; /* encrypted page */ |
4c8ff709 | 1078 | struct page *compressed_page; /* compressed page */ |
fb830fc5 | 1079 | struct list_head list; /* serialize IOs */ |
d68f735b | 1080 | bool submitted; /* indicate IO submission */ |
cc15620b | 1081 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 1082 | bool in_list; /* indicate fio is in io_list */ |
6dc3a126 | 1083 | bool is_por; /* indicate IO is from recovery or not */ |
fe16efe6 | 1084 | bool retry; /* need to reallocate block address */ |
4c8ff709 CY |
1085 | int compr_blocks; /* # of compressed block addresses */ |
1086 | bool encrypted; /* indicate file is encrypted */ | |
b0af6d49 | 1087 | enum iostat_type io_type; /* io type */ |
578c6478 | 1088 | struct writeback_control *io_wbc; /* writeback control */ |
8648de2c CY |
1089 | struct bio **bio; /* bio for ipu */ |
1090 | sector_t *last_block; /* last block number in bio */ | |
7735730d | 1091 | unsigned char version; /* version of the node */ |
458e6197 JK |
1092 | }; |
1093 | ||
0b20fcec CY |
1094 | struct bio_entry { |
1095 | struct bio *bio; | |
1096 | struct list_head list; | |
1097 | }; | |
1098 | ||
68afcf2d | 1099 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 1100 | struct f2fs_bio_info { |
458e6197 | 1101 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
1102 | struct bio *bio; /* bios to merge */ |
1103 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 1104 | struct f2fs_io_info fio; /* store buffered io info. */ |
df0f8dc0 | 1105 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
1106 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
1107 | struct list_head io_list; /* track fios */ | |
0b20fcec CY |
1108 | struct list_head bio_list; /* bio entry list head */ |
1109 | struct rw_semaphore bio_list_lock; /* lock to protect bio entry list */ | |
1ff7bd3b JK |
1110 | }; |
1111 | ||
3c62be17 JK |
1112 | #define FDEV(i) (sbi->devs[i]) |
1113 | #define RDEV(i) (raw_super->devs[i]) | |
1114 | struct f2fs_dev_info { | |
1115 | struct block_device *bdev; | |
1116 | char path[MAX_PATH_LEN]; | |
1117 | unsigned int total_segments; | |
1118 | block_t start_blk; | |
1119 | block_t end_blk; | |
1120 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf DLM |
1121 | unsigned int nr_blkz; /* Total number of zones */ |
1122 | unsigned long *blkz_seq; /* Bitmap indicating sequential zones */ | |
3c62be17 JK |
1123 | #endif |
1124 | }; | |
1125 | ||
c227f912 CY |
1126 | enum inode_type { |
1127 | DIR_INODE, /* for dirty dir inode */ | |
1128 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 1129 | DIRTY_META, /* for all dirtied inode metadata */ |
57864ae5 | 1130 | ATOMIC_FILE, /* for all atomic files */ |
c227f912 CY |
1131 | NR_INODE_TYPE, |
1132 | }; | |
1133 | ||
67298804 CY |
1134 | /* for inner inode cache management */ |
1135 | struct inode_management { | |
1136 | struct radix_tree_root ino_root; /* ino entry array */ | |
1137 | spinlock_t ino_lock; /* for ino entry lock */ | |
1138 | struct list_head ino_list; /* inode list head */ | |
1139 | unsigned long ino_num; /* number of entries */ | |
1140 | }; | |
1141 | ||
caf0047e CY |
1142 | /* For s_flag in struct f2fs_sb_info */ |
1143 | enum { | |
1144 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
1145 | SBI_IS_CLOSE, /* specify unmounting */ | |
1146 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
1147 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 1148 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 1149 | SBI_NEED_CP, /* need to checkpoint */ |
83a3bfdb | 1150 | SBI_IS_SHUTDOWN, /* shutdown by ioctl */ |
1378752b | 1151 | SBI_IS_RECOVERED, /* recovered orphan/data */ |
4354994f | 1152 | SBI_CP_DISABLED, /* CP was disabled last mount */ |
db610a64 | 1153 | SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */ |
af033b2a CY |
1154 | SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */ |
1155 | SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */ | |
1156 | SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */ | |
04f0b2ea | 1157 | SBI_IS_RESIZEFS, /* resizefs is in process */ |
caf0047e CY |
1158 | }; |
1159 | ||
6beceb54 JK |
1160 | enum { |
1161 | CP_TIME, | |
d0239e1b | 1162 | REQ_TIME, |
a7d10cf3 ST |
1163 | DISCARD_TIME, |
1164 | GC_TIME, | |
4354994f | 1165 | DISABLE_TIME, |
03f2c02d | 1166 | UMOUNT_DISCARD_TIMEOUT, |
6beceb54 JK |
1167 | MAX_TIME, |
1168 | }; | |
1169 | ||
5b0e9539 JK |
1170 | enum { |
1171 | GC_NORMAL, | |
1172 | GC_IDLE_CB, | |
1173 | GC_IDLE_GREEDY, | |
1174 | GC_URGENT, | |
1175 | }; | |
1176 | ||
bbbc34fd CY |
1177 | enum { |
1178 | BGGC_MODE_ON, /* background gc is on */ | |
1179 | BGGC_MODE_OFF, /* background gc is off */ | |
1180 | BGGC_MODE_SYNC, /* | |
1181 | * background gc is on, migrating blocks | |
1182 | * like foreground gc | |
1183 | */ | |
1184 | }; | |
1185 | ||
b0332a0f CY |
1186 | enum { |
1187 | FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */ | |
1188 | FS_MODE_LFS, /* use lfs allocation only */ | |
1189 | }; | |
1190 | ||
0cdd3195 HL |
1191 | enum { |
1192 | WHINT_MODE_OFF, /* not pass down write hints */ | |
1193 | WHINT_MODE_USER, /* try to pass down hints given by users */ | |
f2e703f9 | 1194 | WHINT_MODE_FS, /* pass down hints with F2FS policy */ |
0cdd3195 HL |
1195 | }; |
1196 | ||
07939627 JK |
1197 | enum { |
1198 | ALLOC_MODE_DEFAULT, /* stay default */ | |
1199 | ALLOC_MODE_REUSE, /* reuse segments as much as possible */ | |
1200 | }; | |
1201 | ||
93cf93f1 JZ |
1202 | enum fsync_mode { |
1203 | FSYNC_MODE_POSIX, /* fsync follows posix semantics */ | |
1204 | FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ | |
d6290814 | 1205 | FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ |
93cf93f1 JZ |
1206 | }; |
1207 | ||
4c8ff709 CY |
1208 | /* |
1209 | * this value is set in page as a private data which indicate that | |
1210 | * the page is atomically written, and it is in inmem_pages list. | |
1211 | */ | |
1212 | #define ATOMIC_WRITTEN_PAGE ((unsigned long)-1) | |
1213 | #define DUMMY_WRITTEN_PAGE ((unsigned long)-2) | |
1214 | ||
1215 | #define IS_ATOMIC_WRITTEN_PAGE(page) \ | |
1216 | (page_private(page) == (unsigned long)ATOMIC_WRITTEN_PAGE) | |
1217 | #define IS_DUMMY_WRITTEN_PAGE(page) \ | |
1218 | (page_private(page) == (unsigned long)DUMMY_WRITTEN_PAGE) | |
1219 | ||
643fa961 | 1220 | #ifdef CONFIG_FS_ENCRYPTION |
ff62af20 SY |
1221 | #define DUMMY_ENCRYPTION_ENABLED(sbi) \ |
1222 | (unlikely(F2FS_OPTION(sbi).test_dummy_encryption)) | |
1223 | #else | |
1224 | #define DUMMY_ENCRYPTION_ENABLED(sbi) (0) | |
1225 | #endif | |
1226 | ||
4c8ff709 CY |
1227 | /* For compression */ |
1228 | enum compress_algorithm_type { | |
1229 | COMPRESS_LZO, | |
1230 | COMPRESS_LZ4, | |
1231 | COMPRESS_MAX, | |
1232 | }; | |
1233 | ||
0b32dc18 | 1234 | #define COMPRESS_DATA_RESERVED_SIZE 5 |
4c8ff709 CY |
1235 | struct compress_data { |
1236 | __le32 clen; /* compressed data size */ | |
4c8ff709 CY |
1237 | __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */ |
1238 | u8 cdata[]; /* compressed data */ | |
1239 | }; | |
1240 | ||
1241 | #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data)) | |
1242 | ||
1243 | #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000 | |
1244 | ||
1245 | /* compress context */ | |
1246 | struct compress_ctx { | |
1247 | struct inode *inode; /* inode the context belong to */ | |
1248 | pgoff_t cluster_idx; /* cluster index number */ | |
1249 | unsigned int cluster_size; /* page count in cluster */ | |
1250 | unsigned int log_cluster_size; /* log of cluster size */ | |
1251 | struct page **rpages; /* pages store raw data in cluster */ | |
1252 | unsigned int nr_rpages; /* total page number in rpages */ | |
1253 | struct page **cpages; /* pages store compressed data in cluster */ | |
1254 | unsigned int nr_cpages; /* total page number in cpages */ | |
1255 | void *rbuf; /* virtual mapped address on rpages */ | |
1256 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1257 | size_t rlen; /* valid data length in rbuf */ | |
1258 | size_t clen; /* valid data length in cbuf */ | |
1259 | void *private; /* payload buffer for specified compression algorithm */ | |
1260 | }; | |
1261 | ||
1262 | /* compress context for write IO path */ | |
1263 | struct compress_io_ctx { | |
1264 | u32 magic; /* magic number to indicate page is compressed */ | |
1265 | struct inode *inode; /* inode the context belong to */ | |
1266 | struct page **rpages; /* pages store raw data in cluster */ | |
1267 | unsigned int nr_rpages; /* total page number in rpages */ | |
1268 | refcount_t ref; /* referrence count of raw page */ | |
1269 | }; | |
1270 | ||
1271 | /* decompress io context for read IO path */ | |
1272 | struct decompress_io_ctx { | |
1273 | u32 magic; /* magic number to indicate page is compressed */ | |
1274 | struct inode *inode; /* inode the context belong to */ | |
1275 | pgoff_t cluster_idx; /* cluster index number */ | |
1276 | unsigned int cluster_size; /* page count in cluster */ | |
1277 | unsigned int log_cluster_size; /* log of cluster size */ | |
1278 | struct page **rpages; /* pages store raw data in cluster */ | |
1279 | unsigned int nr_rpages; /* total page number in rpages */ | |
1280 | struct page **cpages; /* pages store compressed data in cluster */ | |
1281 | unsigned int nr_cpages; /* total page number in cpages */ | |
1282 | struct page **tpages; /* temp pages to pad holes in cluster */ | |
1283 | void *rbuf; /* virtual mapped address on rpages */ | |
1284 | struct compress_data *cbuf; /* virtual mapped address on cpages */ | |
1285 | size_t rlen; /* valid data length in rbuf */ | |
1286 | size_t clen; /* valid data length in cbuf */ | |
1287 | refcount_t ref; /* referrence count of compressed page */ | |
1288 | bool failed; /* indicate IO error during decompression */ | |
1289 | }; | |
1290 | ||
1291 | #define NULL_CLUSTER ((unsigned int)(~0)) | |
1292 | #define MIN_COMPRESS_LOG_SIZE 2 | |
1293 | #define MAX_COMPRESS_LOG_SIZE 8 | |
1294 | ||
39a53e0c JK |
1295 | struct f2fs_sb_info { |
1296 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1297 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1298 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
846ae671 | 1299 | struct rw_semaphore sb_lock; /* lock for raw super block */ |
e8240f65 | 1300 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 1301 | unsigned long s_flag; /* flags for sbi */ |
853137ce | 1302 | struct mutex writepages; /* mutex for writepages() */ |
5aba5430 DR |
1303 | #ifdef CONFIG_UNICODE |
1304 | struct unicode_map *s_encoding; | |
1305 | __u16 s_encoding_flags; | |
1306 | #endif | |
39a53e0c | 1307 | |
178053e2 | 1308 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
1309 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1310 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
1311 | #endif |
1312 | ||
39a53e0c JK |
1313 | /* for node-related operations */ |
1314 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1315 | struct inode *node_inode; /* cache node blocks */ | |
1316 | ||
1317 | /* for segment-related operations */ | |
1318 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1319 | |
1320 | /* for bio operations */ | |
a912b54d | 1321 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
107a805d CY |
1322 | /* keep migration IO order for LFS mode */ |
1323 | struct rw_semaphore io_order_lock; | |
0a595eba | 1324 | mempool_t *write_io_dummy; /* Dummy pages */ |
39a53e0c JK |
1325 | |
1326 | /* for checkpoint */ | |
1327 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 1328 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1329 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1330 | struct inode *meta_inode; /* cache meta blocks */ |
39936837 | 1331 | struct mutex cp_mutex; /* checkpoint procedure lock */ |
b873b798 | 1332 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
b3582c68 | 1333 | struct rw_semaphore node_write; /* locking node writes */ |
59c9081b | 1334 | struct rw_semaphore node_change; /* locking node change */ |
fb51b5ef | 1335 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1336 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1337 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
39a53e0c | 1338 | |
67298804 | 1339 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 | 1340 | |
50fa53ec CY |
1341 | spinlock_t fsync_node_lock; /* for node entry lock */ |
1342 | struct list_head fsync_node_list; /* node list head */ | |
1343 | unsigned int fsync_seg_id; /* sequence id */ | |
1344 | unsigned int fsync_node_num; /* number of node entries */ | |
1345 | ||
6451e041 | 1346 | /* for orphan inode, use 0'th array */ |
0d47c1ad | 1347 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1348 | |
c227f912 CY |
1349 | /* for inode management */ |
1350 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1351 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
040d2bb3 | 1352 | struct mutex flush_lock; /* for flush exclusion */ |
39a53e0c | 1353 | |
13054c54 CY |
1354 | /* for extent tree cache */ |
1355 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
5e8256ac | 1356 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1357 | struct list_head extent_list; /* lru list for shrinker */ |
1358 | spinlock_t extent_lock; /* locking extent lru list */ | |
7441ccef | 1359 | atomic_t total_ext_tree; /* extent tree count */ |
137d09f0 | 1360 | struct list_head zombie_list; /* extent zombie tree list */ |
74fd8d99 | 1361 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
13054c54 CY |
1362 | atomic_t total_ext_node; /* extent info count */ |
1363 | ||
e1c42045 | 1364 | /* basic filesystem units */ |
39a53e0c JK |
1365 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1366 | unsigned int log_blocksize; /* log2 block size */ | |
1367 | unsigned int blocksize; /* block size */ | |
1368 | unsigned int root_ino_num; /* root inode number*/ | |
1369 | unsigned int node_ino_num; /* node inode number*/ | |
1370 | unsigned int meta_ino_num; /* meta inode number*/ | |
1371 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1372 | unsigned int blocks_per_seg; /* blocks per segment */ | |
1373 | unsigned int segs_per_sec; /* segments per section */ | |
1374 | unsigned int secs_per_zone; /* sections per zone */ | |
1375 | unsigned int total_sections; /* total section count */ | |
04f0b2ea | 1376 | struct mutex resize_mutex; /* for resize exclusion */ |
39a53e0c JK |
1377 | unsigned int total_node_count; /* total node block count */ |
1378 | unsigned int total_valid_node_count; /* valid node block count */ | |
e0afc4d6 | 1379 | loff_t max_file_blocks; /* max block index of file */ |
ab9fa662 | 1380 | int dir_level; /* directory level */ |
f6df8f23 | 1381 | int readdir_ra; /* readahead inode in readdir */ |
39a53e0c JK |
1382 | |
1383 | block_t user_block_count; /* # of user blocks */ | |
1384 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1385 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1386 | block_t last_valid_block_count; /* for recovery */ |
daeb433e | 1387 | block_t reserved_blocks; /* configurable reserved blocks */ |
80d42145 | 1388 | block_t current_reserved_blocks; /* current reserved blocks */ |
daeb433e | 1389 | |
4354994f DR |
1390 | /* Additional tracking for no checkpoint mode */ |
1391 | block_t unusable_block_count; /* # of blocks saved by last cp */ | |
1392 | ||
292c196a | 1393 | unsigned int nquota_files; /* # of quota sysfile */ |
db6ec53b | 1394 | struct rw_semaphore quota_sem; /* blocking cp for flags */ |
292c196a | 1395 | |
523be8a6 | 1396 | /* # of pages, see count_type */ |
35782b23 | 1397 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1398 | /* # of allocated blocks */ |
1399 | struct percpu_counter alloc_valid_block_count; | |
39a53e0c | 1400 | |
687de7f1 | 1401 | /* writeback control */ |
c29fd0c0 | 1402 | atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ |
687de7f1 | 1403 | |
513c5f37 JK |
1404 | /* valid inode count */ |
1405 | struct percpu_counter total_valid_inode_count; | |
1406 | ||
39a53e0c JK |
1407 | struct f2fs_mount_info mount_opt; /* mount options */ |
1408 | ||
1409 | /* for cleaning operations */ | |
fb24fea7 CY |
1410 | struct rw_semaphore gc_lock; /* |
1411 | * semaphore for GC, avoid | |
1412 | * race between GC and GC or CP | |
1413 | */ | |
39a53e0c | 1414 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ |
5ec4e49f | 1415 | unsigned int cur_victim_sec; /* current victim section num */ |
5b0e9539 | 1416 | unsigned int gc_mode; /* current GC state */ |
e3080b01 | 1417 | unsigned int next_victim_seg[2]; /* next segment in victim section */ |
2ef79ecb | 1418 | /* for skip statistic */ |
677017d1 | 1419 | unsigned int atomic_files; /* # of opened atomic file */ |
2ef79ecb | 1420 | unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */ |
6f8d4455 | 1421 | unsigned long long skipped_gc_rwsem; /* FG_GC only */ |
39a53e0c | 1422 | |
1ad71a27 JK |
1423 | /* threshold for gc trials on pinned files */ |
1424 | u64 gc_pin_file_threshold; | |
f5a53edc | 1425 | struct rw_semaphore pin_sem; |
1ad71a27 | 1426 | |
b1c57c1c JK |
1427 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1428 | unsigned int max_victim_search; | |
e3080b01 CY |
1429 | /* migration granularity of garbage collection, unit: segment */ |
1430 | unsigned int migration_granularity; | |
b1c57c1c | 1431 | |
39a53e0c JK |
1432 | /* |
1433 | * for stat information. | |
1434 | * one is for the LFS mode, and the other is for the SSR mode. | |
1435 | */ | |
35b09d82 | 1436 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c | 1437 | struct f2fs_stat_info *stat_info; /* FS status information */ |
b63e7be5 | 1438 | atomic_t meta_count[META_MAX]; /* # of meta blocks */ |
39a53e0c JK |
1439 | unsigned int segment_count[2]; /* # of allocated segments */ |
1440 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1441 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1442 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1443 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1444 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1445 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1446 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1447 | atomic_t inline_inode; /* # of inline_data inodes */ |
1448 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
4c8ff709 CY |
1449 | atomic_t compr_inode; /* # of compressed inodes */ |
1450 | atomic_t compr_blocks; /* # of compressed blocks */ | |
648d50ba | 1451 | atomic_t vw_cnt; /* # of volatile writes */ |
26a28a0c | 1452 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
648d50ba | 1453 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
274bd9ba CY |
1454 | unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ |
1455 | unsigned int other_skip_bggc; /* skip background gc for other reasons */ | |
33fbd510 | 1456 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1457 | #endif |
39a53e0c | 1458 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1459 | |
b0af6d49 CY |
1460 | /* For app/fs IO statistics */ |
1461 | spinlock_t iostat_lock; | |
1462 | unsigned long long write_iostat[NR_IO_TYPE]; | |
1463 | bool iostat_enable; | |
1464 | ||
b59d0bae NJ |
1465 | /* For sysfs suppport */ |
1466 | struct kobject s_kobj; | |
1467 | struct completion s_kobj_unregister; | |
2658e50d JK |
1468 | |
1469 | /* For shrinker support */ | |
1470 | struct list_head s_list; | |
3c62be17 JK |
1471 | int s_ndevs; /* number of devices */ |
1472 | struct f2fs_dev_info *devs; /* for device list */ | |
1228b482 CY |
1473 | unsigned int dirty_device; /* for checkpoint data flush */ |
1474 | spinlock_t dev_lock; /* protect dirty_device */ | |
2658e50d JK |
1475 | struct mutex umount_mutex; |
1476 | unsigned int shrinker_run_no; | |
8f1dbbbb SL |
1477 | |
1478 | /* For write statistics */ | |
1479 | u64 sectors_written_start; | |
1480 | u64 kbytes_written; | |
43b6573b KM |
1481 | |
1482 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1483 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1484 | |
704956ec CY |
1485 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1486 | __u32 s_chksum_seed; | |
4c8ff709 CY |
1487 | |
1488 | struct workqueue_struct *post_read_wq; /* post read workqueue */ | |
39a53e0c JK |
1489 | }; |
1490 | ||
02b16d0a CY |
1491 | struct f2fs_private_dio { |
1492 | struct inode *inode; | |
1493 | void *orig_private; | |
1494 | bio_end_io_t *orig_end_io; | |
1495 | bool write; | |
1496 | }; | |
1497 | ||
1ecc0c5c | 1498 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
c45d6002 CY |
1499 | #define f2fs_show_injection_info(sbi, type) \ |
1500 | printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \ | |
1501 | KERN_INFO, sbi->sb->s_id, \ | |
1502 | f2fs_fault_name[type], \ | |
55523519 | 1503 | __func__, __builtin_return_address(0)) |
1ecc0c5c CY |
1504 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1505 | { | |
63189b78 | 1506 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c CY |
1507 | |
1508 | if (!ffi->inject_rate) | |
1509 | return false; | |
1510 | ||
1511 | if (!IS_FAULT_SET(ffi, type)) | |
1512 | return false; | |
1513 | ||
1514 | atomic_inc(&ffi->inject_ops); | |
1515 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1516 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1517 | return true; |
1518 | } | |
1519 | return false; | |
1520 | } | |
7fa750a1 | 1521 | #else |
c45d6002 | 1522 | #define f2fs_show_injection_info(sbi, type) do { } while (0) |
7fa750a1 AB |
1523 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1524 | { | |
1525 | return false; | |
1526 | } | |
1ecc0c5c CY |
1527 | #endif |
1528 | ||
0916878d DLM |
1529 | /* |
1530 | * Test if the mounted volume is a multi-device volume. | |
1531 | * - For a single regular disk volume, sbi->s_ndevs is 0. | |
1532 | * - For a single zoned disk volume, sbi->s_ndevs is 1. | |
1533 | * - For a multi-device volume, sbi->s_ndevs is always 2 or more. | |
1534 | */ | |
1535 | static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) | |
1536 | { | |
1537 | return sbi->s_ndevs > 1; | |
1538 | } | |
1539 | ||
8f1dbbbb SL |
1540 | /* For write statistics. Suppose sector size is 512 bytes, |
1541 | * and the return value is in kbytes. s is of struct f2fs_sb_info. | |
1542 | */ | |
1543 | #define BD_PART_WRITTEN(s) \ | |
dbae2c55 | 1544 | (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \ |
68afcf2d | 1545 | (s)->sectors_written_start) >> 1) |
8f1dbbbb | 1546 | |
6beceb54 JK |
1547 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1548 | { | |
a7d10cf3 ST |
1549 | unsigned long now = jiffies; |
1550 | ||
1551 | sbi->last_time[type] = now; | |
1552 | ||
1553 | /* DISCARD_TIME and GC_TIME are based on REQ_TIME */ | |
1554 | if (type == REQ_TIME) { | |
1555 | sbi->last_time[DISCARD_TIME] = now; | |
1556 | sbi->last_time[GC_TIME] = now; | |
1557 | } | |
6beceb54 JK |
1558 | } |
1559 | ||
1560 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1561 | { | |
6bccfa19 | 1562 | unsigned long interval = sbi->interval_time[type] * HZ; |
6beceb54 JK |
1563 | |
1564 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1565 | } | |
1566 | ||
a7d10cf3 ST |
1567 | static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi, |
1568 | int type) | |
1569 | { | |
1570 | unsigned long interval = sbi->interval_time[type] * HZ; | |
1571 | unsigned int wait_ms = 0; | |
1572 | long delta; | |
1573 | ||
1574 | delta = (sbi->last_time[type] + interval) - jiffies; | |
1575 | if (delta > 0) | |
1576 | wait_ms = jiffies_to_msecs(delta); | |
1577 | ||
1578 | return wait_ms; | |
1579 | } | |
1580 | ||
39a53e0c JK |
1581 | /* |
1582 | * Inline functions | |
1583 | */ | |
416d2dbb | 1584 | static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, |
704956ec CY |
1585 | const void *address, unsigned int length) |
1586 | { | |
1587 | struct { | |
1588 | struct shash_desc shash; | |
1589 | char ctx[4]; | |
1590 | } desc; | |
1591 | int err; | |
1592 | ||
1593 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1594 | ||
1595 | desc.shash.tfm = sbi->s_chksum_driver; | |
704956ec CY |
1596 | *(u32 *)desc.ctx = crc; |
1597 | ||
1598 | err = crypto_shash_update(&desc.shash, address, length); | |
1599 | BUG_ON(err); | |
1600 | ||
1601 | return *(u32 *)desc.ctx; | |
1602 | } | |
1603 | ||
416d2dbb CY |
1604 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1605 | unsigned int length) | |
1606 | { | |
1607 | return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); | |
1608 | } | |
1609 | ||
1610 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1611 | void *buf, size_t buf_size) | |
1612 | { | |
1613 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1614 | } | |
1615 | ||
1616 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, | |
1617 | const void *address, unsigned int length) | |
1618 | { | |
1619 | return __f2fs_crc32(sbi, crc, address, length); | |
1620 | } | |
1621 | ||
39a53e0c JK |
1622 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1623 | { | |
1624 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1625 | } | |
1626 | ||
1627 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1628 | { | |
1629 | return sb->s_fs_info; | |
1630 | } | |
1631 | ||
4081363f JK |
1632 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1633 | { | |
1634 | return F2FS_SB(inode->i_sb); | |
1635 | } | |
1636 | ||
1637 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1638 | { | |
1639 | return F2FS_I_SB(mapping->host); | |
1640 | } | |
1641 | ||
1642 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1643 | { | |
4969c06a | 1644 | return F2FS_M_SB(page_file_mapping(page)); |
4081363f JK |
1645 | } |
1646 | ||
39a53e0c JK |
1647 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
1648 | { | |
1649 | return (struct f2fs_super_block *)(sbi->raw_super); | |
1650 | } | |
1651 | ||
1652 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
1653 | { | |
1654 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
1655 | } | |
1656 | ||
45590710 GZ |
1657 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
1658 | { | |
1659 | return (struct f2fs_node *)page_address(page); | |
1660 | } | |
1661 | ||
58bfaf44 JK |
1662 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
1663 | { | |
1664 | return &((struct f2fs_node *)page_address(page))->i; | |
1665 | } | |
1666 | ||
39a53e0c JK |
1667 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
1668 | { | |
1669 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
1670 | } | |
1671 | ||
1672 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
1673 | { | |
1674 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
1675 | } | |
1676 | ||
1677 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
1678 | { | |
1679 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
1680 | } | |
1681 | ||
1682 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
1683 | { | |
1684 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
1685 | } | |
1686 | ||
1687 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
1688 | { | |
1689 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
1690 | } | |
1691 | ||
9df27d98 GZ |
1692 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
1693 | { | |
1694 | return sbi->meta_inode->i_mapping; | |
1695 | } | |
1696 | ||
4ef51a8f JK |
1697 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
1698 | { | |
1699 | return sbi->node_inode->i_mapping; | |
1700 | } | |
1701 | ||
caf0047e CY |
1702 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
1703 | { | |
fadb2fb8 | 1704 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
1705 | } |
1706 | ||
1707 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 1708 | { |
fadb2fb8 | 1709 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
1710 | } |
1711 | ||
caf0047e | 1712 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 1713 | { |
fadb2fb8 | 1714 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
1715 | } |
1716 | ||
d71b5564 JK |
1717 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
1718 | { | |
1719 | return le64_to_cpu(cp->checkpoint_ver); | |
1720 | } | |
1721 | ||
ea676733 JK |
1722 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
1723 | { | |
1724 | if (type < F2FS_MAX_QUOTAS) | |
1725 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
1726 | return 0; | |
1727 | } | |
1728 | ||
ced2c7ea KM |
1729 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
1730 | { | |
1731 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
1732 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
1733 | } | |
1734 | ||
aaec2b1d | 1735 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
1736 | { |
1737 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 1738 | |
25ca923b JK |
1739 | return ckpt_flags & f; |
1740 | } | |
1741 | ||
aaec2b1d | 1742 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1743 | { |
aaec2b1d CY |
1744 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
1745 | } | |
1746 | ||
1747 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1748 | { | |
1749 | unsigned int ckpt_flags; | |
1750 | ||
1751 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1752 | ckpt_flags |= f; |
1753 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1754 | } | |
1755 | ||
aaec2b1d | 1756 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1757 | { |
d1aa2453 CY |
1758 | unsigned long flags; |
1759 | ||
1760 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1761 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1762 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1763 | } |
1764 | ||
1765 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1766 | { | |
1767 | unsigned int ckpt_flags; | |
1768 | ||
1769 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1770 | ckpt_flags &= (~f); |
1771 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1772 | } | |
1773 | ||
aaec2b1d CY |
1774 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
1775 | { | |
d1aa2453 CY |
1776 | unsigned long flags; |
1777 | ||
1778 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1779 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1780 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1781 | } |
1782 | ||
22ad0b6a JK |
1783 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) |
1784 | { | |
d1aa2453 | 1785 | unsigned long flags; |
0921835c | 1786 | unsigned char *nat_bits; |
d1aa2453 | 1787 | |
a742fd41 JK |
1788 | /* |
1789 | * In order to re-enable nat_bits we need to call fsck.f2fs by | |
1790 | * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost, | |
1791 | * so let's rely on regular fsck or unclean shutdown. | |
1792 | */ | |
22ad0b6a JK |
1793 | |
1794 | if (lock) | |
d1aa2453 | 1795 | spin_lock_irqsave(&sbi->cp_lock, flags); |
22ad0b6a | 1796 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); |
0921835c | 1797 | nat_bits = NM_I(sbi)->nat_bits; |
22ad0b6a JK |
1798 | NM_I(sbi)->nat_bits = NULL; |
1799 | if (lock) | |
d1aa2453 | 1800 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
0921835c CY |
1801 | |
1802 | kvfree(nat_bits); | |
22ad0b6a JK |
1803 | } |
1804 | ||
1805 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, | |
1806 | struct cp_control *cpc) | |
1807 | { | |
1808 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); | |
1809 | ||
c473f1a9 | 1810 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; |
22ad0b6a JK |
1811 | } |
1812 | ||
e479556b | 1813 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 1814 | { |
b873b798 | 1815 | down_read(&sbi->cp_rwsem); |
39936837 JK |
1816 | } |
1817 | ||
cc15620b JK |
1818 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
1819 | { | |
1820 | return down_read_trylock(&sbi->cp_rwsem); | |
1821 | } | |
1822 | ||
e479556b | 1823 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 1824 | { |
b873b798 | 1825 | up_read(&sbi->cp_rwsem); |
39a53e0c JK |
1826 | } |
1827 | ||
e479556b | 1828 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 1829 | { |
b873b798 | 1830 | down_write(&sbi->cp_rwsem); |
39936837 JK |
1831 | } |
1832 | ||
e479556b | 1833 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 1834 | { |
b873b798 | 1835 | up_write(&sbi->cp_rwsem); |
39a53e0c JK |
1836 | } |
1837 | ||
119ee914 JK |
1838 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
1839 | { | |
1840 | int reason = CP_SYNC; | |
1841 | ||
1842 | if (test_opt(sbi, FASTBOOT)) | |
1843 | reason = CP_FASTBOOT; | |
1844 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
1845 | reason = CP_UMOUNT; | |
1846 | return reason; | |
1847 | } | |
1848 | ||
1849 | static inline bool __remain_node_summaries(int reason) | |
1850 | { | |
c473f1a9 | 1851 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
1852 | } |
1853 | ||
1854 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
1855 | { | |
aaec2b1d CY |
1856 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
1857 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
1858 | } |
1859 | ||
39a53e0c JK |
1860 | /* |
1861 | * Check whether the inode has blocks or not | |
1862 | */ | |
1863 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
1864 | { | |
0eb0adad CY |
1865 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
1866 | ||
000519f2 | 1867 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
1868 | } |
1869 | ||
4bc8e9bc CY |
1870 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
1871 | { | |
1872 | return ofs == XATTR_NODE_OFFSET; | |
1873 | } | |
1874 | ||
d8a9a229 | 1875 | static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, |
a90a0884 | 1876 | struct inode *inode, bool cap) |
7c2e5963 | 1877 | { |
d8a9a229 JK |
1878 | if (!inode) |
1879 | return true; | |
7c2e5963 JK |
1880 | if (!test_opt(sbi, RESERVE_ROOT)) |
1881 | return false; | |
d8a9a229 JK |
1882 | if (IS_NOQUOTA(inode)) |
1883 | return true; | |
63189b78 | 1884 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) |
7c2e5963 | 1885 | return true; |
63189b78 CY |
1886 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && |
1887 | in_group_p(F2FS_OPTION(sbi).s_resgid)) | |
7c2e5963 | 1888 | return true; |
a90a0884 | 1889 | if (cap && capable(CAP_SYS_RESOURCE)) |
162b27ae | 1890 | return true; |
7c2e5963 JK |
1891 | return false; |
1892 | } | |
1893 | ||
0abd675e CY |
1894 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
1895 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 1896 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 1897 | { |
0abd675e | 1898 | blkcnt_t diff = 0, release = 0; |
daeb433e | 1899 | block_t avail_user_block_count; |
0abd675e CY |
1900 | int ret; |
1901 | ||
1902 | ret = dquot_reserve_block(inode, *count); | |
1903 | if (ret) | |
1904 | return ret; | |
39a53e0c | 1905 | |
55523519 | 1906 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 1907 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
0abd675e | 1908 | release = *count; |
9ea2f0be | 1909 | goto release_quota; |
55523519 | 1910 | } |
7fa750a1 | 1911 | |
dd11a5df JK |
1912 | /* |
1913 | * let's increase this in prior to actual block count change in order | |
1914 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
1915 | */ | |
1916 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
1917 | ||
2555a2d5 JK |
1918 | spin_lock(&sbi->stat_lock); |
1919 | sbi->total_valid_block_count += (block_t)(*count); | |
80d42145 YS |
1920 | avail_user_block_count = sbi->user_block_count - |
1921 | sbi->current_reserved_blocks; | |
7e65be49 | 1922 | |
a90a0884 | 1923 | if (!__allow_reserved_blocks(sbi, inode, true)) |
63189b78 | 1924 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; |
a4c3ecaa DR |
1925 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { |
1926 | if (avail_user_block_count > sbi->unusable_block_count) | |
1927 | avail_user_block_count -= sbi->unusable_block_count; | |
1928 | else | |
1929 | avail_user_block_count = 0; | |
1930 | } | |
daeb433e CY |
1931 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
1932 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
7e65be49 JK |
1933 | if (diff > *count) |
1934 | diff = *count; | |
dd11a5df | 1935 | *count -= diff; |
0abd675e | 1936 | release = diff; |
7e65be49 | 1937 | sbi->total_valid_block_count -= diff; |
46008c6d CY |
1938 | if (!*count) { |
1939 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 1940 | goto enospc; |
46008c6d | 1941 | } |
39a53e0c | 1942 | } |
39a53e0c | 1943 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 1944 | |
36b877af DR |
1945 | if (unlikely(release)) { |
1946 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); | |
0abd675e | 1947 | dquot_release_reservation_block(inode, release); |
36b877af | 1948 | } |
0abd675e CY |
1949 | f2fs_i_blocks_write(inode, *count, true, true); |
1950 | return 0; | |
1951 | ||
1952 | enospc: | |
36b877af | 1953 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); |
9ea2f0be | 1954 | release_quota: |
0abd675e CY |
1955 | dquot_release_reservation_block(inode, release); |
1956 | return -ENOSPC; | |
39a53e0c JK |
1957 | } |
1958 | ||
dcbb4c10 JP |
1959 | __printf(2, 3) |
1960 | void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...); | |
1961 | ||
1962 | #define f2fs_err(sbi, fmt, ...) \ | |
1963 | f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__) | |
1964 | #define f2fs_warn(sbi, fmt, ...) \ | |
1965 | f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__) | |
1966 | #define f2fs_notice(sbi, fmt, ...) \ | |
1967 | f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__) | |
1968 | #define f2fs_info(sbi, fmt, ...) \ | |
1969 | f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__) | |
1970 | #define f2fs_debug(sbi, fmt, ...) \ | |
1971 | f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__) | |
1972 | ||
da19b0dc | 1973 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 1974 | struct inode *inode, |
0eb0adad | 1975 | block_t count) |
39a53e0c | 1976 | { |
0eb0adad CY |
1977 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
1978 | ||
39a53e0c | 1979 | spin_lock(&sbi->stat_lock); |
9850cf4a | 1980 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
39a53e0c | 1981 | sbi->total_valid_block_count -= (block_t)count; |
80d42145 YS |
1982 | if (sbi->reserved_blocks && |
1983 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
1984 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
1985 | sbi->current_reserved_blocks + count); | |
39a53e0c | 1986 | spin_unlock(&sbi->stat_lock); |
5e159cd3 | 1987 | if (unlikely(inode->i_blocks < sectors)) { |
dcbb4c10 JP |
1988 | f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu", |
1989 | inode->i_ino, | |
1990 | (unsigned long long)inode->i_blocks, | |
1991 | (unsigned long long)sectors); | |
5e159cd3 CY |
1992 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
1993 | return; | |
1994 | } | |
0abd675e | 1995 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
1996 | } |
1997 | ||
1998 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1999 | { | |
35782b23 | 2000 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 2001 | |
20109873 CY |
2002 | if (count_type == F2FS_DIRTY_DENTS || |
2003 | count_type == F2FS_DIRTY_NODES || | |
2004 | count_type == F2FS_DIRTY_META || | |
2005 | count_type == F2FS_DIRTY_QDATA || | |
2006 | count_type == F2FS_DIRTY_IMETA) | |
2007 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
39a53e0c JK |
2008 | } |
2009 | ||
a7ffdbe2 | 2010 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 2011 | { |
204706c7 | 2012 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2013 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2014 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2015 | if (IS_NOQUOTA(inode)) |
2016 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2017 | } |
2018 | ||
2019 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
2020 | { | |
35782b23 | 2021 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2022 | } |
2023 | ||
a7ffdbe2 | 2024 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 2025 | { |
5ac9f36f CY |
2026 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
2027 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
2028 | return; |
2029 | ||
204706c7 | 2030 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
2031 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
2032 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
2033 | if (IS_NOQUOTA(inode)) |
2034 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
2035 | } |
2036 | ||
523be8a6 | 2037 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 2038 | { |
35782b23 | 2039 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
2040 | } |
2041 | ||
204706c7 | 2042 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 2043 | { |
204706c7 | 2044 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
2045 | } |
2046 | ||
5ac206cf NJ |
2047 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
2048 | { | |
3519e3f9 | 2049 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
2050 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
2051 | sbi->log_blocks_per_seg; | |
2052 | ||
2053 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
2054 | } |
2055 | ||
39a53e0c JK |
2056 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
2057 | { | |
8b8343fa | 2058 | return sbi->total_valid_block_count; |
39a53e0c JK |
2059 | } |
2060 | ||
f83a2584 YH |
2061 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
2062 | { | |
2063 | return sbi->discard_blks; | |
2064 | } | |
2065 | ||
39a53e0c JK |
2066 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
2067 | { | |
2068 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
2069 | ||
2070 | /* return NAT or SIT bitmap */ | |
2071 | if (flag == NAT_BITMAP) | |
2072 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
2073 | else if (flag == SIT_BITMAP) | |
2074 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
2075 | ||
2076 | return 0; | |
2077 | } | |
2078 | ||
55141486 WL |
2079 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
2080 | { | |
2081 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
2082 | } | |
2083 | ||
39a53e0c JK |
2084 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
2085 | { | |
2086 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1dbe4152 CL |
2087 | int offset; |
2088 | ||
199bc3fe CY |
2089 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { |
2090 | offset = (flag == SIT_BITMAP) ? | |
2091 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; | |
b471eb99 CY |
2092 | /* |
2093 | * if large_nat_bitmap feature is enabled, leave checksum | |
2094 | * protection for all nat/sit bitmaps. | |
2095 | */ | |
2096 | return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32); | |
199bc3fe CY |
2097 | } |
2098 | ||
55141486 | 2099 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
2100 | if (flag == NAT_BITMAP) |
2101 | return &ckpt->sit_nat_version_bitmap; | |
2102 | else | |
65b85ccc | 2103 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
2104 | } else { |
2105 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 2106 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
1dbe4152 CL |
2107 | return &ckpt->sit_nat_version_bitmap + offset; |
2108 | } | |
39a53e0c JK |
2109 | } |
2110 | ||
2111 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
2112 | { | |
8508e44a | 2113 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 2114 | |
8508e44a | 2115 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 2116 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
2117 | return start_addr; |
2118 | } | |
39a53e0c | 2119 | |
8508e44a JK |
2120 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
2121 | { | |
2122 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 2123 | |
8508e44a JK |
2124 | if (sbi->cur_cp_pack == 1) |
2125 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
2126 | return start_addr; |
2127 | } | |
2128 | ||
8508e44a JK |
2129 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
2130 | { | |
2131 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
2132 | } | |
2133 | ||
39a53e0c JK |
2134 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
2135 | { | |
2136 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
2137 | } | |
2138 | ||
0abd675e | 2139 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 2140 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2141 | { |
2142 | block_t valid_block_count; | |
a4c3ecaa | 2143 | unsigned int valid_node_count, user_block_count; |
af033b2a | 2144 | int err; |
0abd675e | 2145 | |
af033b2a CY |
2146 | if (is_inode) { |
2147 | if (inode) { | |
2148 | err = dquot_alloc_inode(inode); | |
2149 | if (err) | |
2150 | return err; | |
2151 | } | |
2152 | } else { | |
2153 | err = dquot_reserve_block(inode, 1); | |
2154 | if (err) | |
2155 | return err; | |
0abd675e | 2156 | } |
39a53e0c | 2157 | |
812c6056 | 2158 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
c45d6002 | 2159 | f2fs_show_injection_info(sbi, FAULT_BLOCK); |
812c6056 CY |
2160 | goto enospc; |
2161 | } | |
812c6056 | 2162 | |
39a53e0c JK |
2163 | spin_lock(&sbi->stat_lock); |
2164 | ||
7e65be49 JK |
2165 | valid_block_count = sbi->total_valid_block_count + |
2166 | sbi->current_reserved_blocks + 1; | |
2167 | ||
a90a0884 | 2168 | if (!__allow_reserved_blocks(sbi, inode, false)) |
63189b78 | 2169 | valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; |
a4c3ecaa | 2170 | user_block_count = sbi->user_block_count; |
4354994f | 2171 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
a4c3ecaa | 2172 | user_block_count -= sbi->unusable_block_count; |
7e65be49 | 2173 | |
a4c3ecaa | 2174 | if (unlikely(valid_block_count > user_block_count)) { |
39a53e0c | 2175 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2176 | goto enospc; |
39a53e0c JK |
2177 | } |
2178 | ||
ef86d709 | 2179 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 2180 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 2181 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2182 | goto enospc; |
39a53e0c JK |
2183 | } |
2184 | ||
ef86d709 GZ |
2185 | sbi->total_valid_node_count++; |
2186 | sbi->total_valid_block_count++; | |
39a53e0c JK |
2187 | spin_unlock(&sbi->stat_lock); |
2188 | ||
000519f2 CY |
2189 | if (inode) { |
2190 | if (is_inode) | |
2191 | f2fs_mark_inode_dirty_sync(inode, true); | |
2192 | else | |
0abd675e | 2193 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 2194 | } |
ef86d709 | 2195 | |
41382ec4 | 2196 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
2197 | return 0; |
2198 | ||
2199 | enospc: | |
af033b2a CY |
2200 | if (is_inode) { |
2201 | if (inode) | |
2202 | dquot_free_inode(inode); | |
2203 | } else { | |
0abd675e | 2204 | dquot_release_reservation_block(inode, 1); |
af033b2a | 2205 | } |
0abd675e | 2206 | return -ENOSPC; |
39a53e0c JK |
2207 | } |
2208 | ||
2209 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 2210 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2211 | { |
2212 | spin_lock(&sbi->stat_lock); | |
2213 | ||
9850cf4a JK |
2214 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
2215 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); | |
39a53e0c | 2216 | |
ef86d709 GZ |
2217 | sbi->total_valid_node_count--; |
2218 | sbi->total_valid_block_count--; | |
80d42145 YS |
2219 | if (sbi->reserved_blocks && |
2220 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2221 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
2222 | |
2223 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2224 | |
ea6d7e72 | 2225 | if (is_inode) { |
af033b2a | 2226 | dquot_free_inode(inode); |
ea6d7e72 CY |
2227 | } else { |
2228 | if (unlikely(inode->i_blocks == 0)) { | |
097a7686 | 2229 | f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu", |
dcbb4c10 JP |
2230 | inode->i_ino, |
2231 | (unsigned long long)inode->i_blocks); | |
ea6d7e72 CY |
2232 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
2233 | return; | |
2234 | } | |
0abd675e | 2235 | f2fs_i_blocks_write(inode, 1, false, true); |
ea6d7e72 | 2236 | } |
39a53e0c JK |
2237 | } |
2238 | ||
2239 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
2240 | { | |
8b8343fa | 2241 | return sbi->total_valid_node_count; |
39a53e0c JK |
2242 | } |
2243 | ||
2244 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
2245 | { | |
513c5f37 | 2246 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
2247 | } |
2248 | ||
0e80220a | 2249 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2250 | { |
513c5f37 | 2251 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
2252 | } |
2253 | ||
513c5f37 | 2254 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2255 | { |
513c5f37 | 2256 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
2257 | } |
2258 | ||
a56c7c6f JK |
2259 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
2260 | pgoff_t index, bool for_write) | |
2261 | { | |
82cf4f13 | 2262 | struct page *page; |
cac5a3d8 | 2263 | |
7fa750a1 AB |
2264 | if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) { |
2265 | if (!for_write) | |
2266 | page = find_get_page_flags(mapping, index, | |
2267 | FGP_LOCK | FGP_ACCESSED); | |
2268 | else | |
2269 | page = find_lock_page(mapping, index); | |
2270 | if (page) | |
2271 | return page; | |
c41f3cc3 | 2272 | |
7fa750a1 | 2273 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
c45d6002 CY |
2274 | f2fs_show_injection_info(F2FS_M_SB(mapping), |
2275 | FAULT_PAGE_ALLOC); | |
7fa750a1 AB |
2276 | return NULL; |
2277 | } | |
55523519 | 2278 | } |
7fa750a1 | 2279 | |
a56c7c6f JK |
2280 | if (!for_write) |
2281 | return grab_cache_page(mapping, index); | |
2282 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); | |
2283 | } | |
2284 | ||
01eccef7 CY |
2285 | static inline struct page *f2fs_pagecache_get_page( |
2286 | struct address_space *mapping, pgoff_t index, | |
2287 | int fgp_flags, gfp_t gfp_mask) | |
2288 | { | |
01eccef7 | 2289 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { |
c45d6002 | 2290 | f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET); |
01eccef7 CY |
2291 | return NULL; |
2292 | } | |
7fa750a1 | 2293 | |
01eccef7 CY |
2294 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); |
2295 | } | |
2296 | ||
6e2c64ad JK |
2297 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
2298 | { | |
2299 | char *src_kaddr = kmap(src); | |
2300 | char *dst_kaddr = kmap(dst); | |
2301 | ||
2302 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); | |
2303 | kunmap(dst); | |
2304 | kunmap(src); | |
2305 | } | |
2306 | ||
39a53e0c JK |
2307 | static inline void f2fs_put_page(struct page *page, int unlock) |
2308 | { | |
031fa8cc | 2309 | if (!page) |
39a53e0c JK |
2310 | return; |
2311 | ||
2312 | if (unlock) { | |
9850cf4a | 2313 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
2314 | unlock_page(page); |
2315 | } | |
09cbfeaf | 2316 | put_page(page); |
39a53e0c JK |
2317 | } |
2318 | ||
2319 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
2320 | { | |
2321 | if (dn->node_page) | |
2322 | f2fs_put_page(dn->node_page, 1); | |
2323 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
2324 | f2fs_put_page(dn->inode_page, 0); | |
2325 | dn->node_page = NULL; | |
2326 | dn->inode_page = NULL; | |
2327 | } | |
2328 | ||
2329 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 2330 | size_t size) |
39a53e0c | 2331 | { |
e8512d2e | 2332 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
2333 | } |
2334 | ||
7bd59381 GZ |
2335 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
2336 | gfp_t flags) | |
2337 | { | |
2338 | void *entry; | |
7bd59381 | 2339 | |
80c54505 JK |
2340 | entry = kmem_cache_alloc(cachep, flags); |
2341 | if (!entry) | |
2342 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
2343 | return entry; |
2344 | } | |
2345 | ||
5f9abab4 JK |
2346 | static inline bool is_idle(struct f2fs_sb_info *sbi, int type) |
2347 | { | |
f7dfd9f3 PJH |
2348 | if (sbi->gc_mode == GC_URGENT) |
2349 | return true; | |
2350 | ||
5f9abab4 JK |
2351 | if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) || |
2352 | get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) || | |
fef4129e CY |
2353 | get_pages(sbi, F2FS_WB_CP_DATA) || |
2354 | get_pages(sbi, F2FS_DIO_READ) || | |
11ac8ef8 | 2355 | get_pages(sbi, F2FS_DIO_WRITE)) |
5f9abab4 | 2356 | return false; |
11ac8ef8 | 2357 | |
56659ce8 | 2358 | if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info && |
11ac8ef8 JK |
2359 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard)) |
2360 | return false; | |
2361 | ||
2362 | if (SM_I(sbi) && SM_I(sbi)->fcc_info && | |
2363 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush)) | |
2364 | return false; | |
2365 | ||
5f9abab4 JK |
2366 | return f2fs_time_over(sbi, type); |
2367 | } | |
2368 | ||
9be32d72 JK |
2369 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
2370 | unsigned long index, void *item) | |
2371 | { | |
2372 | while (radix_tree_insert(root, index, item)) | |
2373 | cond_resched(); | |
2374 | } | |
2375 | ||
39a53e0c JK |
2376 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
2377 | ||
2378 | static inline bool IS_INODE(struct page *page) | |
2379 | { | |
45590710 | 2380 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 2381 | |
39a53e0c JK |
2382 | return RAW_IS_INODE(p); |
2383 | } | |
2384 | ||
7a2af766 CY |
2385 | static inline int offset_in_addr(struct f2fs_inode *i) |
2386 | { | |
2387 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
2388 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
2389 | } | |
2390 | ||
39a53e0c JK |
2391 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
2392 | { | |
2393 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
2394 | } | |
2395 | ||
7a2af766 | 2396 | static inline int f2fs_has_extra_attr(struct inode *inode); |
a2ced1ce | 2397 | static inline block_t data_blkaddr(struct inode *inode, |
7a2af766 | 2398 | struct page *node_page, unsigned int offset) |
39a53e0c JK |
2399 | { |
2400 | struct f2fs_node *raw_node; | |
2401 | __le32 *addr_array; | |
7a2af766 CY |
2402 | int base = 0; |
2403 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 2404 | |
45590710 | 2405 | raw_node = F2FS_NODE(node_page); |
7a2af766 | 2406 | |
979f492f L |
2407 | if (is_inode) { |
2408 | if (!inode) | |
7a88ddb5 | 2409 | /* from GC path only */ |
7a2af766 | 2410 | base = offset_in_addr(&raw_node->i); |
979f492f L |
2411 | else if (f2fs_has_extra_attr(inode)) |
2412 | base = get_extra_isize(inode); | |
7a2af766 CY |
2413 | } |
2414 | ||
39a53e0c | 2415 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 2416 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
2417 | } |
2418 | ||
a2ced1ce CY |
2419 | static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn) |
2420 | { | |
2421 | return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node); | |
2422 | } | |
2423 | ||
39a53e0c JK |
2424 | static inline int f2fs_test_bit(unsigned int nr, char *addr) |
2425 | { | |
2426 | int mask; | |
2427 | ||
2428 | addr += (nr >> 3); | |
2429 | mask = 1 << (7 - (nr & 0x07)); | |
2430 | return mask & *addr; | |
2431 | } | |
2432 | ||
a66cdd98 JK |
2433 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
2434 | { | |
2435 | int mask; | |
2436 | ||
2437 | addr += (nr >> 3); | |
2438 | mask = 1 << (7 - (nr & 0x07)); | |
2439 | *addr |= mask; | |
2440 | } | |
2441 | ||
2442 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2443 | { | |
2444 | int mask; | |
2445 | ||
2446 | addr += (nr >> 3); | |
2447 | mask = 1 << (7 - (nr & 0x07)); | |
2448 | *addr &= ~mask; | |
2449 | } | |
2450 | ||
52aca074 | 2451 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2452 | { |
2453 | int mask; | |
2454 | int ret; | |
2455 | ||
2456 | addr += (nr >> 3); | |
2457 | mask = 1 << (7 - (nr & 0x07)); | |
2458 | ret = mask & *addr; | |
2459 | *addr |= mask; | |
2460 | return ret; | |
2461 | } | |
2462 | ||
52aca074 | 2463 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2464 | { |
2465 | int mask; | |
2466 | int ret; | |
2467 | ||
2468 | addr += (nr >> 3); | |
2469 | mask = 1 << (7 - (nr & 0x07)); | |
2470 | ret = mask & *addr; | |
2471 | *addr &= ~mask; | |
2472 | return ret; | |
2473 | } | |
2474 | ||
c6ac4c0e GZ |
2475 | static inline void f2fs_change_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 | ||
59c84408 | 2484 | /* |
36098557 | 2485 | * On-disk inode flags (f2fs_inode::i_flags) |
59c84408 | 2486 | */ |
4c8ff709 | 2487 | #define F2FS_COMPR_FL 0x00000004 /* Compress file */ |
59c84408 CY |
2488 | #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */ |
2489 | #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ | |
2490 | #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */ | |
2491 | #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */ | |
2492 | #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */ | |
4c8ff709 | 2493 | #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */ |
59c84408 | 2494 | #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */ |
59c84408 | 2495 | #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ |
59c84408 | 2496 | #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ |
2c2eb7a3 | 2497 | #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */ |
59c84408 CY |
2498 | |
2499 | /* Flags that should be inherited by new inodes from their parent. */ | |
36098557 | 2500 | #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \ |
2c2eb7a3 | 2501 | F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
4c8ff709 | 2502 | F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL) |
59c84408 CY |
2503 | |
2504 | /* Flags that are appropriate for regular files (all but dir-specific ones). */ | |
2c2eb7a3 DR |
2505 | #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \ |
2506 | F2FS_CASEFOLD_FL)) | |
59c84408 CY |
2507 | |
2508 | /* Flags that are appropriate for non-directories/regular files. */ | |
2509 | #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL) | |
5c57132e CY |
2510 | |
2511 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2512 | { | |
2513 | if (S_ISDIR(mode)) | |
2514 | return flags; | |
2515 | else if (S_ISREG(mode)) | |
2516 | return flags & F2FS_REG_FLMASK; | |
2517 | else | |
2518 | return flags & F2FS_OTHER_FLMASK; | |
2519 | } | |
2520 | ||
39a53e0c JK |
2521 | /* used for f2fs_inode_info->flags */ |
2522 | enum { | |
2523 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
b3783873 | 2524 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ |
26de9b11 | 2525 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ |
ed57c27f | 2526 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ |
39a53e0c JK |
2527 | FI_INC_LINK, /* need to increment i_nlink */ |
2528 | FI_ACL_MODE, /* indicate acl mode */ | |
2529 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
c9b63bd0 | 2530 | FI_FREE_NID, /* free allocated nide */ |
c11abd1a | 2531 | FI_NO_EXTENT, /* not to use the extent cache */ |
444c580f | 2532 | FI_INLINE_XATTR, /* used for inline xattr */ |
1001b347 | 2533 | FI_INLINE_DATA, /* used for inline data*/ |
34d67deb | 2534 | FI_INLINE_DENTRY, /* used for inline dentry */ |
fff04f90 JK |
2535 | FI_APPEND_WRITE, /* inode has appended data */ |
2536 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
88b88a66 JK |
2537 | FI_NEED_IPU, /* used for ipu per file */ |
2538 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
5fe45743 | 2539 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ |
02a1335f | 2540 | FI_VOLATILE_FILE, /* indicate volatile file */ |
3c6c2beb | 2541 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
1e84371f | 2542 | FI_DROP_CACHE, /* drop dirty page cache */ |
b3d208f9 | 2543 | FI_DATA_EXIST, /* indicate data exists */ |
510022a8 | 2544 | FI_INLINE_DOTS, /* indicate inline dot dentries */ |
d323d005 | 2545 | FI_DO_DEFRAG, /* indicate defragment is running */ |
c227f912 | 2546 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ |
dc91de78 | 2547 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ |
ef095d19 | 2548 | FI_HOT_DATA, /* indicate file is hot */ |
7a2af766 | 2549 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ |
5c57132e | 2550 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ |
1ad71a27 | 2551 | FI_PIN_FILE, /* indicate file should not be gced */ |
2ef79ecb | 2552 | FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */ |
95ae251f | 2553 | FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */ |
4c8ff709 CY |
2554 | FI_COMPRESSED_FILE, /* indicate file's data can be compressed */ |
2555 | FI_MMAP_FILE, /* indicate file was mmapped */ | |
39a53e0c JK |
2556 | }; |
2557 | ||
205b9822 JK |
2558 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2559 | int flag, bool set) | |
2560 | { | |
2561 | switch (flag) { | |
2562 | case FI_INLINE_XATTR: | |
2563 | case FI_INLINE_DATA: | |
2564 | case FI_INLINE_DENTRY: | |
9ac1e2d8 | 2565 | case FI_NEW_INODE: |
205b9822 JK |
2566 | if (set) |
2567 | return; | |
f5d5510e | 2568 | /* fall through */ |
205b9822 JK |
2569 | case FI_DATA_EXIST: |
2570 | case FI_INLINE_DOTS: | |
1ad71a27 | 2571 | case FI_PIN_FILE: |
4c8ff709 | 2572 | case FI_COMPRESSED_FILE: |
7c45729a | 2573 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2574 | } |
2575 | } | |
2576 | ||
91942321 | 2577 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2578 | { |
91942321 JK |
2579 | if (!test_bit(flag, &F2FS_I(inode)->flags)) |
2580 | set_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2581 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
2582 | } |
2583 | ||
91942321 | 2584 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 2585 | { |
91942321 | 2586 | return test_bit(flag, &F2FS_I(inode)->flags); |
39a53e0c JK |
2587 | } |
2588 | ||
91942321 | 2589 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2590 | { |
91942321 JK |
2591 | if (test_bit(flag, &F2FS_I(inode)->flags)) |
2592 | clear_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2593 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
2594 | } |
2595 | ||
95ae251f EB |
2596 | static inline bool f2fs_verity_in_progress(struct inode *inode) |
2597 | { | |
2598 | return IS_ENABLED(CONFIG_FS_VERITY) && | |
2599 | is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS); | |
2600 | } | |
2601 | ||
91942321 | 2602 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 2603 | { |
91942321 JK |
2604 | F2FS_I(inode)->i_acl_mode = mode; |
2605 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 2606 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
2607 | } |
2608 | ||
a1961246 | 2609 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 2610 | { |
a1961246 JK |
2611 | if (inc) |
2612 | inc_nlink(inode); | |
2613 | else | |
2614 | drop_nlink(inode); | |
7c45729a | 2615 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
2616 | } |
2617 | ||
8edd03c8 | 2618 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 2619 | block_t diff, bool add, bool claim) |
8edd03c8 | 2620 | { |
26de9b11 JK |
2621 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2622 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2623 | ||
0abd675e CY |
2624 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
2625 | if (add) { | |
2626 | if (claim) | |
2627 | dquot_claim_block(inode, diff); | |
2628 | else | |
2629 | dquot_alloc_block_nofail(inode, diff); | |
2630 | } else { | |
2631 | dquot_free_block(inode, diff); | |
2632 | } | |
2633 | ||
7c45729a | 2634 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2635 | if (clean || recover) |
2636 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
2637 | } |
2638 | ||
fc9581c8 JK |
2639 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
2640 | { | |
26de9b11 JK |
2641 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2642 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2643 | ||
fc9581c8 JK |
2644 | if (i_size_read(inode) == i_size) |
2645 | return; | |
2646 | ||
2647 | i_size_write(inode, i_size); | |
7c45729a | 2648 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2649 | if (clean || recover) |
2650 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2651 | } |
2652 | ||
205b9822 | 2653 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 2654 | { |
205b9822 | 2655 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 2656 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2657 | } |
2658 | ||
1ad71a27 JK |
2659 | static inline void f2fs_i_gc_failures_write(struct inode *inode, |
2660 | unsigned int count) | |
2661 | { | |
2ef79ecb | 2662 | F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count; |
1ad71a27 JK |
2663 | f2fs_mark_inode_dirty_sync(inode, true); |
2664 | } | |
2665 | ||
205b9822 | 2666 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 2667 | { |
205b9822 | 2668 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 2669 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2670 | } |
2671 | ||
2672 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
2673 | { | |
2674 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 2675 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2676 | } |
2677 | ||
91942321 | 2678 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 2679 | { |
205b9822 JK |
2680 | struct f2fs_inode_info *fi = F2FS_I(inode); |
2681 | ||
444c580f | 2682 | if (ri->i_inline & F2FS_INLINE_XATTR) |
205b9822 | 2683 | set_bit(FI_INLINE_XATTR, &fi->flags); |
1001b347 | 2684 | if (ri->i_inline & F2FS_INLINE_DATA) |
205b9822 | 2685 | set_bit(FI_INLINE_DATA, &fi->flags); |
34d67deb | 2686 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
205b9822 | 2687 | set_bit(FI_INLINE_DENTRY, &fi->flags); |
b3d208f9 | 2688 | if (ri->i_inline & F2FS_DATA_EXIST) |
205b9822 | 2689 | set_bit(FI_DATA_EXIST, &fi->flags); |
510022a8 | 2690 | if (ri->i_inline & F2FS_INLINE_DOTS) |
205b9822 | 2691 | set_bit(FI_INLINE_DOTS, &fi->flags); |
7a2af766 CY |
2692 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
2693 | set_bit(FI_EXTRA_ATTR, &fi->flags); | |
1ad71a27 JK |
2694 | if (ri->i_inline & F2FS_PIN_FILE) |
2695 | set_bit(FI_PIN_FILE, &fi->flags); | |
444c580f JK |
2696 | } |
2697 | ||
91942321 | 2698 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
2699 | { |
2700 | ri->i_inline = 0; | |
2701 | ||
91942321 | 2702 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 2703 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 2704 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 2705 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 2706 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 2707 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 2708 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 2709 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 2710 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 2711 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
2712 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
2713 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
1ad71a27 JK |
2714 | if (is_inode_flag_set(inode, FI_PIN_FILE)) |
2715 | ri->i_inline |= F2FS_PIN_FILE; | |
7a2af766 CY |
2716 | } |
2717 | ||
2718 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
2719 | { | |
2720 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
2721 | } |
2722 | ||
987c7c31 CY |
2723 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
2724 | { | |
91942321 | 2725 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
2726 | } |
2727 | ||
4c8ff709 CY |
2728 | static inline int f2fs_compressed_file(struct inode *inode) |
2729 | { | |
2730 | return S_ISREG(inode->i_mode) && | |
2731 | is_inode_flag_set(inode, FI_COMPRESSED_FILE); | |
2732 | } | |
2733 | ||
81ca7350 | 2734 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 2735 | { |
d02a6e61 CY |
2736 | unsigned int addrs = CUR_ADDRS_PER_INODE(inode) - |
2737 | get_inline_xattr_addrs(inode); | |
4c8ff709 CY |
2738 | |
2739 | if (!f2fs_compressed_file(inode)) | |
2740 | return addrs; | |
2741 | return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size); | |
d02a6e61 CY |
2742 | } |
2743 | ||
2744 | static inline unsigned int addrs_per_block(struct inode *inode) | |
2745 | { | |
4c8ff709 CY |
2746 | if (!f2fs_compressed_file(inode)) |
2747 | return DEF_ADDRS_PER_BLOCK; | |
2748 | return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size); | |
de93653f JK |
2749 | } |
2750 | ||
6afc662e | 2751 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 2752 | { |
695fd1ed | 2753 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 2754 | |
65985d93 | 2755 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
b323fd28 | 2756 | get_inline_xattr_addrs(inode)]); |
65985d93 JK |
2757 | } |
2758 | ||
2759 | static inline int inline_xattr_size(struct inode *inode) | |
2760 | { | |
622927f3 CY |
2761 | if (f2fs_has_inline_xattr(inode)) |
2762 | return get_inline_xattr_addrs(inode) * sizeof(__le32); | |
2763 | return 0; | |
65985d93 JK |
2764 | } |
2765 | ||
0dbdc2ae JK |
2766 | static inline int f2fs_has_inline_data(struct inode *inode) |
2767 | { | |
91942321 | 2768 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
2769 | } |
2770 | ||
b3d208f9 JK |
2771 | static inline int f2fs_exist_data(struct inode *inode) |
2772 | { | |
91942321 | 2773 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
2774 | } |
2775 | ||
510022a8 JK |
2776 | static inline int f2fs_has_inline_dots(struct inode *inode) |
2777 | { | |
91942321 | 2778 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
2779 | } |
2780 | ||
4c8ff709 CY |
2781 | static inline int f2fs_is_mmap_file(struct inode *inode) |
2782 | { | |
2783 | return is_inode_flag_set(inode, FI_MMAP_FILE); | |
2784 | } | |
2785 | ||
1ad71a27 JK |
2786 | static inline bool f2fs_is_pinned_file(struct inode *inode) |
2787 | { | |
2788 | return is_inode_flag_set(inode, FI_PIN_FILE); | |
2789 | } | |
2790 | ||
88b88a66 JK |
2791 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
2792 | { | |
91942321 | 2793 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
2794 | } |
2795 | ||
5fe45743 CY |
2796 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
2797 | { | |
2798 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); | |
2799 | } | |
2800 | ||
02a1335f JK |
2801 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
2802 | { | |
91942321 | 2803 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
02a1335f JK |
2804 | } |
2805 | ||
3c6c2beb JK |
2806 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
2807 | { | |
91942321 | 2808 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
2809 | } |
2810 | ||
1e84371f JK |
2811 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
2812 | { | |
91942321 | 2813 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
2814 | } |
2815 | ||
f2470371 | 2816 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 2817 | { |
695fd1ed | 2818 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 2819 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 2820 | |
7a2af766 | 2821 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
2822 | } |
2823 | ||
34d67deb CY |
2824 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
2825 | { | |
91942321 | 2826 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
2827 | } |
2828 | ||
b5492af7 JK |
2829 | static inline int is_file(struct inode *inode, int type) |
2830 | { | |
2831 | return F2FS_I(inode)->i_advise & type; | |
2832 | } | |
2833 | ||
2834 | static inline void set_file(struct inode *inode, int type) | |
2835 | { | |
2836 | F2FS_I(inode)->i_advise |= type; | |
7c45729a | 2837 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2838 | } |
2839 | ||
2840 | static inline void clear_file(struct inode *inode, int type) | |
2841 | { | |
2842 | F2FS_I(inode)->i_advise &= ~type; | |
7c45729a | 2843 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2844 | } |
2845 | ||
fe1897ea CY |
2846 | static inline bool f2fs_is_time_consistent(struct inode *inode) |
2847 | { | |
2848 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) | |
2849 | return false; | |
2850 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) | |
2851 | return false; | |
2852 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) | |
2853 | return false; | |
2854 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3, | |
2855 | &F2FS_I(inode)->i_crtime)) | |
2856 | return false; | |
2857 | return true; | |
2858 | } | |
2859 | ||
26787236 JK |
2860 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
2861 | { | |
a0d00fad CY |
2862 | bool ret; |
2863 | ||
26787236 JK |
2864 | if (dsync) { |
2865 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
26787236 JK |
2866 | |
2867 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
2868 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
2869 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
2870 | return ret; | |
2871 | } | |
2872 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
2873 | file_keep_isize(inode) || | |
235831d7 | 2874 | i_size_read(inode) & ~PAGE_MASK) |
26787236 | 2875 | return false; |
a0d00fad | 2876 | |
fe1897ea | 2877 | if (!f2fs_is_time_consistent(inode)) |
214c2461 JK |
2878 | return false; |
2879 | ||
c10c9820 | 2880 | spin_lock(&F2FS_I(inode)->i_size_lock); |
a0d00fad | 2881 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); |
c10c9820 | 2882 | spin_unlock(&F2FS_I(inode)->i_size_lock); |
a0d00fad CY |
2883 | |
2884 | return ret; | |
b5492af7 JK |
2885 | } |
2886 | ||
deeedd71 | 2887 | static inline bool f2fs_readonly(struct super_block *sb) |
77888c1e | 2888 | { |
deeedd71 | 2889 | return sb_rdonly(sb); |
77888c1e JK |
2890 | } |
2891 | ||
1e968fdf JK |
2892 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
2893 | { | |
aaec2b1d | 2894 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
2895 | } |
2896 | ||
eaa693f4 JK |
2897 | static inline bool is_dot_dotdot(const struct qstr *str) |
2898 | { | |
2899 | if (str->len == 1 && str->name[0] == '.') | |
2900 | return true; | |
2901 | ||
2902 | if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') | |
2903 | return true; | |
2904 | ||
2905 | return false; | |
2906 | } | |
2907 | ||
3e72f721 JK |
2908 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
2909 | { | |
e4589fa5 ST |
2910 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2911 | ||
2912 | if (!test_opt(sbi, EXTENT_CACHE) || | |
4c8ff709 CY |
2913 | is_inode_flag_set(inode, FI_NO_EXTENT) || |
2914 | is_inode_flag_set(inode, FI_COMPRESSED_FILE)) | |
3e72f721 JK |
2915 | return false; |
2916 | ||
e4589fa5 ST |
2917 | /* |
2918 | * for recovered files during mount do not create extents | |
2919 | * if shrinker is not registered. | |
2920 | */ | |
2921 | if (list_empty(&sbi->s_list)) | |
2922 | return false; | |
2923 | ||
886f56f9 | 2924 | return S_ISREG(inode->i_mode); |
3e72f721 JK |
2925 | } |
2926 | ||
1ecc0c5c CY |
2927 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
2928 | size_t size, gfp_t flags) | |
0414b004 | 2929 | { |
5222595d JK |
2930 | void *ret; |
2931 | ||
55523519 | 2932 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
c45d6002 | 2933 | f2fs_show_injection_info(sbi, FAULT_KMALLOC); |
2c63fead | 2934 | return NULL; |
55523519 | 2935 | } |
7fa750a1 | 2936 | |
5222595d JK |
2937 | ret = kmalloc(size, flags); |
2938 | if (ret) | |
2939 | return ret; | |
2940 | ||
2941 | return kvmalloc(size, flags); | |
0414b004 JK |
2942 | } |
2943 | ||
acbf054d CY |
2944 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, |
2945 | size_t size, gfp_t flags) | |
2946 | { | |
2947 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); | |
2948 | } | |
2949 | ||
628b3d14 CY |
2950 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, |
2951 | size_t size, gfp_t flags) | |
2952 | { | |
628b3d14 | 2953 | if (time_to_inject(sbi, FAULT_KVMALLOC)) { |
c45d6002 | 2954 | f2fs_show_injection_info(sbi, FAULT_KVMALLOC); |
628b3d14 CY |
2955 | return NULL; |
2956 | } | |
7fa750a1 | 2957 | |
628b3d14 CY |
2958 | return kvmalloc(size, flags); |
2959 | } | |
2960 | ||
2961 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, | |
2962 | size_t size, gfp_t flags) | |
2963 | { | |
2964 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); | |
2965 | } | |
2966 | ||
7a2af766 | 2967 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 2968 | { |
7a2af766 | 2969 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
2970 | } |
2971 | ||
6afc662e CY |
2972 | static inline int get_inline_xattr_addrs(struct inode *inode) |
2973 | { | |
2974 | return F2FS_I(inode)->i_inline_xattr_size; | |
2975 | } | |
2976 | ||
4d57b86d | 2977 | #define f2fs_get_inode_mode(i) \ |
91942321 | 2978 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
2979 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
2980 | ||
7a2af766 CY |
2981 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
2982 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
2983 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
2984 | ||
5c57132e CY |
2985 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
2986 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2f84babf | 2987 | ((offsetof(typeof(*(f2fs_inode)), field) + \ |
5c57132e | 2988 | sizeof((f2fs_inode)->field)) \ |
2f84babf | 2989 | <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \ |
5c57132e | 2990 | |
b0af6d49 CY |
2991 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) |
2992 | { | |
2993 | int i; | |
2994 | ||
2995 | spin_lock(&sbi->iostat_lock); | |
2996 | for (i = 0; i < NR_IO_TYPE; i++) | |
2997 | sbi->write_iostat[i] = 0; | |
2998 | spin_unlock(&sbi->iostat_lock); | |
2999 | } | |
3000 | ||
3001 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, | |
3002 | enum iostat_type type, unsigned long long io_bytes) | |
3003 | { | |
3004 | if (!sbi->iostat_enable) | |
3005 | return; | |
3006 | spin_lock(&sbi->iostat_lock); | |
3007 | sbi->write_iostat[type] += io_bytes; | |
3008 | ||
3009 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) | |
3010 | sbi->write_iostat[APP_BUFFERED_IO] = | |
3011 | sbi->write_iostat[APP_WRITE_IO] - | |
3012 | sbi->write_iostat[APP_DIRECT_IO]; | |
3013 | spin_unlock(&sbi->iostat_lock); | |
3014 | } | |
3015 | ||
2c70c5e3 CY |
3016 | #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1) |
3017 | ||
6dc3a126 | 3018 | #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META) |
c9b60788 | 3019 | |
e1da7872 CY |
3020 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3021 | block_t blkaddr, int type); | |
e1da7872 CY |
3022 | static inline void verify_blkaddr(struct f2fs_sb_info *sbi, |
3023 | block_t blkaddr, int type) | |
3024 | { | |
3025 | if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) { | |
dcbb4c10 JP |
3026 | f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.", |
3027 | blkaddr, type); | |
e1da7872 CY |
3028 | f2fs_bug_on(sbi, 1); |
3029 | } | |
3030 | } | |
3031 | ||
3032 | static inline bool __is_valid_data_blkaddr(block_t blkaddr) | |
7b525dd0 | 3033 | { |
4c8ff709 CY |
3034 | if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR || |
3035 | blkaddr == COMPRESS_ADDR) | |
7b525dd0 CY |
3036 | return false; |
3037 | return true; | |
3038 | } | |
3039 | ||
240a5915 CY |
3040 | static inline void f2fs_set_page_private(struct page *page, |
3041 | unsigned long data) | |
3042 | { | |
3043 | if (PagePrivate(page)) | |
3044 | return; | |
3045 | ||
3046 | get_page(page); | |
3047 | SetPagePrivate(page); | |
3048 | set_page_private(page, data); | |
3049 | } | |
3050 | ||
3051 | static inline void f2fs_clear_page_private(struct page *page) | |
3052 | { | |
3053 | if (!PagePrivate(page)) | |
3054 | return; | |
3055 | ||
3056 | set_page_private(page, 0); | |
3057 | ClearPagePrivate(page); | |
3058 | f2fs_put_page(page, 0); | |
3059 | } | |
3060 | ||
39a53e0c JK |
3061 | /* |
3062 | * file.c | |
3063 | */ | |
cac5a3d8 | 3064 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
4d57b86d | 3065 | void f2fs_truncate_data_blocks(struct dnode_of_data *dn); |
c42d28ce | 3066 | int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock); |
cac5a3d8 | 3067 | int f2fs_truncate(struct inode *inode); |
a528d35e DH |
3068 | int f2fs_getattr(const struct path *path, struct kstat *stat, |
3069 | u32 request_mask, unsigned int flags); | |
cac5a3d8 | 3070 | int f2fs_setattr(struct dentry *dentry, struct iattr *attr); |
4d57b86d CY |
3071 | int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); |
3072 | void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
c4020b2d | 3073 | int f2fs_precache_extents(struct inode *inode); |
cac5a3d8 DS |
3074 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
3075 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
78130819 | 3076 | int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid); |
1ad71a27 | 3077 | int f2fs_pin_file_control(struct inode *inode, bool inc); |
39a53e0c JK |
3078 | |
3079 | /* | |
3080 | * inode.c | |
3081 | */ | |
cac5a3d8 | 3082 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
3083 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
3084 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
3085 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
3086 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
4d57b86d CY |
3087 | int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); |
3088 | void f2fs_update_inode(struct inode *inode, struct page *node_page); | |
3089 | void f2fs_update_inode_page(struct inode *inode); | |
cac5a3d8 DS |
3090 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); |
3091 | void f2fs_evict_inode(struct inode *inode); | |
4d57b86d | 3092 | void f2fs_handle_failed_inode(struct inode *inode); |
39a53e0c JK |
3093 | |
3094 | /* | |
3095 | * namei.c | |
3096 | */ | |
4d57b86d | 3097 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
b6a06cbb | 3098 | bool hot, bool set); |
39a53e0c JK |
3099 | struct dentry *f2fs_get_parent(struct dentry *child); |
3100 | ||
2c2eb7a3 DR |
3101 | extern int f2fs_ci_compare(const struct inode *parent, |
3102 | const struct qstr *name, | |
950d47f2 CY |
3103 | const struct qstr *entry, |
3104 | bool quick); | |
2c2eb7a3 | 3105 | |
39a53e0c JK |
3106 | /* |
3107 | * dir.c | |
3108 | */ | |
4d57b86d CY |
3109 | unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de); |
3110 | struct f2fs_dir_entry *f2fs_find_target_dentry(struct fscrypt_name *fname, | |
cac5a3d8 DS |
3111 | f2fs_hash_t namehash, int *max_slots, |
3112 | struct f2fs_dentry_ptr *d); | |
3113 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, | |
3114 | unsigned int start_pos, struct fscrypt_str *fstr); | |
4d57b86d | 3115 | void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 3116 | struct f2fs_dentry_ptr *d); |
4d57b86d | 3117 | struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir, |
cac5a3d8 DS |
3118 | const struct qstr *new_name, |
3119 | const struct qstr *orig_name, struct page *dpage); | |
4d57b86d | 3120 | void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, |
cac5a3d8 | 3121 | unsigned int current_depth); |
4d57b86d | 3122 | int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots); |
cac5a3d8 DS |
3123 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); |
3124 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
3125 | struct fscrypt_name *fname, struct page **res_page); | |
3126 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, | |
3127 | const struct qstr *child, struct page **res_page); | |
3128 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
3129 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
3130 | struct page **page); | |
3131 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
3132 | struct page *page, struct inode *inode); | |
b06af2af JK |
3133 | bool f2fs_has_enough_room(struct inode *dir, struct page *ipage, |
3134 | struct fscrypt_name *fname); | |
cac5a3d8 DS |
3135 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
3136 | const struct qstr *name, f2fs_hash_t name_hash, | |
3137 | unsigned int bit_pos); | |
3138 | int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, | |
3139 | const struct qstr *orig_name, | |
3140 | struct inode *inode, nid_t ino, umode_t mode); | |
4d57b86d | 3141 | int f2fs_add_dentry(struct inode *dir, struct fscrypt_name *fname, |
cac5a3d8 | 3142 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d | 3143 | int f2fs_do_add_link(struct inode *dir, const struct qstr *name, |
cac5a3d8 DS |
3144 | struct inode *inode, nid_t ino, umode_t mode); |
3145 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
3146 | struct inode *dir, struct inode *inode); | |
3147 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
3148 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 3149 | |
b7f7a5e0 AV |
3150 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
3151 | { | |
4d57b86d | 3152 | return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 3153 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
3154 | } |
3155 | ||
39a53e0c JK |
3156 | /* |
3157 | * super.c | |
3158 | */ | |
cac5a3d8 DS |
3159 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
3160 | void f2fs_inode_synced(struct inode *inode); | |
ea676733 | 3161 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
af033b2a | 3162 | int f2fs_quota_sync(struct super_block *sb, int type); |
4b2414d0 | 3163 | void f2fs_quota_off_umount(struct super_block *sb); |
cac5a3d8 DS |
3164 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
3165 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
4d57b86d | 3166 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
3167 | |
3168 | /* | |
3169 | * hash.c | |
3170 | */ | |
2c2eb7a3 DR |
3171 | f2fs_hash_t f2fs_dentry_hash(const struct inode *dir, |
3172 | const struct qstr *name_info, struct fscrypt_name *fname); | |
39a53e0c JK |
3173 | |
3174 | /* | |
3175 | * node.c | |
3176 | */ | |
3177 | struct dnode_of_data; | |
3178 | struct node_info; | |
3179 | ||
4d57b86d CY |
3180 | int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); |
3181 | bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); | |
50fa53ec CY |
3182 | bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page); |
3183 | void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); | |
3184 | void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page); | |
3185 | void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); | |
4d57b86d CY |
3186 | int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); |
3187 | bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
3188 | bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
7735730d | 3189 | int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, |
4d57b86d CY |
3190 | struct node_info *ni); |
3191 | pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); | |
3192 | int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
3193 | int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
3194 | int f2fs_truncate_xattr_node(struct inode *inode); | |
50fa53ec CY |
3195 | int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, |
3196 | unsigned int seq_id); | |
4d57b86d CY |
3197 | int f2fs_remove_inode_page(struct inode *inode); |
3198 | struct page *f2fs_new_inode_page(struct inode *inode); | |
3199 | struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs); | |
3200 | void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); | |
3201 | struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
3202 | struct page *f2fs_get_node_page_ra(struct page *parent, int start); | |
48018b4c | 3203 | int f2fs_move_node_page(struct page *node_page, int gc_type); |
4d57b86d | 3204 | int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, |
50fa53ec CY |
3205 | struct writeback_control *wbc, bool atomic, |
3206 | unsigned int *seq_id); | |
4d57b86d CY |
3207 | int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, |
3208 | struct writeback_control *wbc, | |
b0af6d49 | 3209 | bool do_balance, enum iostat_type io_type); |
e2374015 | 3210 | int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
4d57b86d CY |
3211 | bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
3212 | void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
3213 | void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
3214 | int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
3215 | void f2fs_recover_inline_xattr(struct inode *inode, struct page *page); | |
3216 | int f2fs_recover_xattr_data(struct inode *inode, struct page *page); | |
3217 | int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
7735730d | 3218 | int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, |
cac5a3d8 | 3219 | unsigned int segno, struct f2fs_summary_block *sum); |
edc55aaf | 3220 | int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
4d57b86d CY |
3221 | int f2fs_build_node_manager(struct f2fs_sb_info *sbi); |
3222 | void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi); | |
3223 | int __init f2fs_create_node_manager_caches(void); | |
3224 | void f2fs_destroy_node_manager_caches(void); | |
39a53e0c JK |
3225 | |
3226 | /* | |
3227 | * segment.c | |
3228 | */ | |
4d57b86d CY |
3229 | bool f2fs_need_SSR(struct f2fs_sb_info *sbi); |
3230 | void f2fs_register_inmem_page(struct inode *inode, struct page *page); | |
3231 | void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure); | |
3232 | void f2fs_drop_inmem_pages(struct inode *inode); | |
3233 | void f2fs_drop_inmem_page(struct inode *inode, struct page *page); | |
3234 | int f2fs_commit_inmem_pages(struct inode *inode); | |
cac5a3d8 DS |
3235 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); |
3236 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi); | |
39d787be | 3237 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
4d57b86d | 3238 | int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi); |
1228b482 | 3239 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3240 | void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
3241 | void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
3242 | bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
3243 | void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi); | |
3244 | void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi); | |
03f2c02d | 3245 | bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3246 | void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, |
3247 | struct cp_control *cpc); | |
4354994f | 3248 | void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi); |
4d3aed70 DR |
3249 | block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi); |
3250 | int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable); | |
4d57b86d CY |
3251 | void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); |
3252 | int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
04f0b2ea QS |
3253 | void allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type, |
3254 | unsigned int start, unsigned int end); | |
f5a53edc | 3255 | void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type); |
cac5a3d8 | 3256 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); |
4d57b86d CY |
3257 | bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, |
3258 | struct cp_control *cpc); | |
3259 | struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
3260 | void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src, | |
3261 | block_t blk_addr); | |
3262 | void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page, | |
b0af6d49 | 3263 | enum iostat_type io_type); |
4d57b86d CY |
3264 | void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
3265 | void f2fs_outplace_write_data(struct dnode_of_data *dn, | |
3266 | struct f2fs_io_info *fio); | |
3267 | int f2fs_inplace_write_data(struct f2fs_io_info *fio); | |
3268 | void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, | |
cac5a3d8 DS |
3269 | block_t old_blkaddr, block_t new_blkaddr, |
3270 | bool recover_curseg, bool recover_newaddr); | |
3271 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, | |
3272 | block_t old_addr, block_t new_addr, | |
3273 | unsigned char version, bool recover_curseg, | |
3274 | bool recover_newaddr); | |
4d57b86d | 3275 | void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, |
cac5a3d8 | 3276 | block_t old_blkaddr, block_t *new_blkaddr, |
fb830fc5 CY |
3277 | struct f2fs_summary *sum, int type, |
3278 | struct f2fs_io_info *fio, bool add_list); | |
cac5a3d8 | 3279 | void f2fs_wait_on_page_writeback(struct page *page, |
bae0ee7a | 3280 | enum page_type type, bool ordered, bool locked); |
0ded69f6 | 3281 | void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr); |
1e78e8bd ST |
3282 | void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr, |
3283 | block_t len); | |
4d57b86d CY |
3284 | void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
3285 | void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
3286 | int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
cac5a3d8 | 3287 | unsigned int val, int alloc); |
4d57b86d | 3288 | void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
c426d991 | 3289 | int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi); |
d508c94e | 3290 | int f2fs_check_write_pointer(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3291 | int f2fs_build_segment_manager(struct f2fs_sb_info *sbi); |
3292 | void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi); | |
3293 | int __init f2fs_create_segment_manager_caches(void); | |
3294 | void f2fs_destroy_segment_manager_caches(void); | |
3295 | int f2fs_rw_hint_to_seg_type(enum rw_hint hint); | |
3296 | enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi, | |
3297 | enum page_type type, enum temp_type temp); | |
39a53e0c JK |
3298 | |
3299 | /* | |
3300 | * checkpoint.c | |
3301 | */ | |
cac5a3d8 | 3302 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
4d57b86d CY |
3303 | struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
3304 | struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
7735730d | 3305 | struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index); |
4d57b86d | 3306 | struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); |
e1da7872 CY |
3307 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3308 | block_t blkaddr, int type); | |
4d57b86d | 3309 | int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, |
cac5a3d8 | 3310 | int type, bool sync); |
4d57b86d CY |
3311 | void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); |
3312 | long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, | |
b0af6d49 | 3313 | long nr_to_write, enum iostat_type io_type); |
4d57b86d CY |
3314 | void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
3315 | void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
3316 | void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
3317 | bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
3318 | void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
39d787be | 3319 | unsigned int devidx, int type); |
4d57b86d | 3320 | bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
39d787be | 3321 | unsigned int devidx, int type); |
cac5a3d8 | 3322 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3323 | int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi); |
3324 | void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi); | |
3325 | void f2fs_add_orphan_inode(struct inode *inode); | |
3326 | void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
3327 | int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
3328 | int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
3329 | void f2fs_update_dirty_page(struct inode *inode, struct page *page); | |
3330 | void f2fs_remove_dirty_inode(struct inode *inode); | |
3331 | int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
bf22c3cc | 3332 | void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type); |
4d57b86d CY |
3333 | int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
3334 | void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); | |
3335 | int __init f2fs_create_checkpoint_caches(void); | |
3336 | void f2fs_destroy_checkpoint_caches(void); | |
39a53e0c JK |
3337 | |
3338 | /* | |
3339 | * data.c | |
3340 | */ | |
f543805f CY |
3341 | int __init f2fs_init_bioset(void); |
3342 | void f2fs_destroy_bioset(void); | |
3343 | struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages, bool no_fail); | |
0b20fcec CY |
3344 | int f2fs_init_bio_entry_cache(void); |
3345 | void f2fs_destroy_bio_entry_cache(void); | |
4c8ff709 CY |
3346 | void f2fs_submit_bio(struct f2fs_sb_info *sbi, |
3347 | struct bio *bio, enum page_type type); | |
b9109b0e JK |
3348 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
3349 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
bab475c5 CY |
3350 | struct inode *inode, struct page *page, |
3351 | nid_t ino, enum page_type type); | |
0b20fcec CY |
3352 | void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi, |
3353 | struct bio **bio, struct page *page); | |
b9109b0e | 3354 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3355 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
8648de2c | 3356 | int f2fs_merge_page_bio(struct f2fs_io_info *fio); |
fe16efe6 | 3357 | void f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 DS |
3358 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
3359 | block_t blk_addr, struct bio *bio); | |
3360 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4d57b86d | 3361 | void f2fs_set_data_blkaddr(struct dnode_of_data *dn); |
cac5a3d8 | 3362 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); |
4d57b86d CY |
3363 | int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); |
3364 | int f2fs_reserve_new_block(struct dnode_of_data *dn); | |
cac5a3d8 DS |
3365 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); |
3366 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); | |
3367 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); | |
4c8ff709 CY |
3368 | int f2fs_mpage_readpages(struct address_space *mapping, |
3369 | struct list_head *pages, struct page *page, | |
3370 | unsigned nr_pages, bool is_readahead); | |
4d57b86d | 3371 | struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index, |
cac5a3d8 | 3372 | int op_flags, bool for_write); |
4d57b86d CY |
3373 | struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index); |
3374 | struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index, | |
cac5a3d8 | 3375 | bool for_write); |
4d57b86d | 3376 | struct page *f2fs_get_new_data_page(struct inode *inode, |
cac5a3d8 | 3377 | struct page *ipage, pgoff_t index, bool new_i_size); |
4d57b86d | 3378 | int f2fs_do_write_data_page(struct f2fs_io_info *fio); |
39a86958 | 3379 | void __do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock); |
cac5a3d8 DS |
3380 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, |
3381 | int create, int flag); | |
3382 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
3383 | u64 start, u64 len); | |
4c8ff709 | 3384 | int f2fs_encrypt_one_page(struct f2fs_io_info *fio); |
4d57b86d CY |
3385 | bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); |
3386 | bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); | |
4c8ff709 CY |
3387 | int f2fs_write_single_data_page(struct page *page, int *submitted, |
3388 | struct bio **bio, sector_t *last_block, | |
3389 | struct writeback_control *wbc, | |
3390 | enum iostat_type io_type, | |
3391 | int compr_blocks); | |
cac5a3d8 DS |
3392 | void f2fs_invalidate_page(struct page *page, unsigned int offset, |
3393 | unsigned int length); | |
3394 | int f2fs_release_page(struct page *page, gfp_t wait); | |
5b7a487c | 3395 | #ifdef CONFIG_MIGRATION |
cac5a3d8 DS |
3396 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
3397 | struct page *page, enum migrate_mode mode); | |
5b7a487c | 3398 | #endif |
b91050a8 | 3399 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); |
5ec2d99d | 3400 | void f2fs_clear_page_cache_dirty_tag(struct page *page); |
4c8ff709 CY |
3401 | int f2fs_init_post_read_processing(void); |
3402 | void f2fs_destroy_post_read_processing(void); | |
3403 | int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi); | |
3404 | void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3405 | |
3406 | /* | |
3407 | * gc.c | |
3408 | */ | |
4d57b86d CY |
3409 | int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); |
3410 | void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); | |
3411 | block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
e066b83c JK |
3412 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, |
3413 | unsigned int segno); | |
4d57b86d | 3414 | void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); |
04f0b2ea | 3415 | int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count); |
39a53e0c JK |
3416 | |
3417 | /* | |
3418 | * recovery.c | |
3419 | */ | |
4d57b86d CY |
3420 | int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
3421 | bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3422 | |
3423 | /* | |
3424 | * debug.c | |
3425 | */ | |
3426 | #ifdef CONFIG_F2FS_STAT_FS | |
3427 | struct f2fs_stat_info { | |
3428 | struct list_head stat_list; | |
3429 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
3430 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
3431 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
3432 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
3433 | unsigned long long hit_total, total_ext; | |
c00ba554 | 3434 | int ext_tree, zombie_tree, ext_node; |
2c8a4a28 JK |
3435 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
3436 | int ndirty_data, ndirty_qdata; | |
35782b23 | 3437 | int inmem_pages; |
2c8a4a28 | 3438 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
5b0ef73c JK |
3439 | int nats, dirty_nats, sits, dirty_sits; |
3440 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 3441 | int total_count, utilization; |
8b8dd65f | 3442 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
5f9abab4 | 3443 | int nr_rd_data, nr_rd_node, nr_rd_meta; |
02b16d0a | 3444 | int nr_dio_read, nr_dio_write; |
274bd9ba | 3445 | unsigned int io_skip_bggc, other_skip_bggc; |
14d8d5f7 CY |
3446 | int nr_flushing, nr_flushed, flush_list_empty; |
3447 | int nr_discarding, nr_discarded; | |
5f32366a | 3448 | int nr_discard_cmd; |
d84d1cbd | 3449 | unsigned int undiscard_blks; |
a00861db | 3450 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
4c8ff709 | 3451 | int compr_inode, compr_blocks; |
648d50ba | 3452 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; |
f83a2584 | 3453 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
3454 | unsigned int bimodal, avg_vblocks; |
3455 | int util_free, util_valid, util_invalid; | |
3456 | int rsvd_segs, overp_segs; | |
3457 | int dirty_count, node_pages, meta_pages; | |
42190d2a | 3458 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 3459 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 3460 | int bg_node_segs, bg_data_segs; |
39a53e0c | 3461 | int tot_blks, data_blks, node_blks; |
e1235983 | 3462 | int bg_data_blks, bg_node_blks; |
2ef79ecb | 3463 | unsigned long long skipped_atomic_files[2]; |
39a53e0c JK |
3464 | int curseg[NR_CURSEG_TYPE]; |
3465 | int cursec[NR_CURSEG_TYPE]; | |
3466 | int curzone[NR_CURSEG_TYPE]; | |
3467 | ||
b63e7be5 | 3468 | unsigned int meta_count[META_MAX]; |
39a53e0c JK |
3469 | unsigned int segment_count[2]; |
3470 | unsigned int block_count[2]; | |
b9a2c252 | 3471 | unsigned int inplace_count; |
9edcdabf | 3472 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
3473 | }; |
3474 | ||
963d4f7d GZ |
3475 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
3476 | { | |
6c311ec6 | 3477 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
3478 | } |
3479 | ||
942e0be6 | 3480 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 3481 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 | 3482 | #define stat_inc_call_count(si) ((si)->call_count++) |
fc7100ea | 3483 | #define stat_inc_bggc_count(si) ((si)->bg_gc++) |
274bd9ba CY |
3484 | #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++) |
3485 | #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++) | |
33fbd510 CY |
3486 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
3487 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
3488 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
3489 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
3490 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
3491 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
3492 | #define stat_inc_inline_xattr(inode) \ |
3493 | do { \ | |
3494 | if (f2fs_has_inline_xattr(inode)) \ | |
3495 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3496 | } while (0) | |
3497 | #define stat_dec_inline_xattr(inode) \ | |
3498 | do { \ | |
3499 | if (f2fs_has_inline_xattr(inode)) \ | |
3500 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3501 | } while (0) | |
0dbdc2ae JK |
3502 | #define stat_inc_inline_inode(inode) \ |
3503 | do { \ | |
3504 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3505 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
3506 | } while (0) |
3507 | #define stat_dec_inline_inode(inode) \ | |
3508 | do { \ | |
3509 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3510 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 3511 | } while (0) |
3289c061 JK |
3512 | #define stat_inc_inline_dir(inode) \ |
3513 | do { \ | |
3514 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3515 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
3516 | } while (0) |
3517 | #define stat_dec_inline_dir(inode) \ | |
3518 | do { \ | |
3519 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3520 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 3521 | } while (0) |
4c8ff709 CY |
3522 | #define stat_inc_compr_inode(inode) \ |
3523 | do { \ | |
3524 | if (f2fs_compressed_file(inode)) \ | |
3525 | (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \ | |
3526 | } while (0) | |
3527 | #define stat_dec_compr_inode(inode) \ | |
3528 | do { \ | |
3529 | if (f2fs_compressed_file(inode)) \ | |
3530 | (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \ | |
3531 | } while (0) | |
3532 | #define stat_add_compr_blocks(inode, blocks) \ | |
3533 | (atomic_add(blocks, &F2FS_I_SB(inode)->compr_blocks)) | |
3534 | #define stat_sub_compr_blocks(inode, blocks) \ | |
3535 | (atomic_sub(blocks, &F2FS_I_SB(inode)->compr_blocks)) | |
b63e7be5 CY |
3536 | #define stat_inc_meta_count(sbi, blkaddr) \ |
3537 | do { \ | |
3538 | if (blkaddr < SIT_I(sbi)->sit_base_addr) \ | |
3539 | atomic_inc(&(sbi)->meta_count[META_CP]); \ | |
3540 | else if (blkaddr < NM_I(sbi)->nat_blkaddr) \ | |
3541 | atomic_inc(&(sbi)->meta_count[META_SIT]); \ | |
3542 | else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \ | |
3543 | atomic_inc(&(sbi)->meta_count[META_NAT]); \ | |
3544 | else if (blkaddr < SM_I(sbi)->main_blkaddr) \ | |
3545 | atomic_inc(&(sbi)->meta_count[META_SSA]); \ | |
3546 | } while (0) | |
dcdfff65 JK |
3547 | #define stat_inc_seg_type(sbi, curseg) \ |
3548 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
3549 | #define stat_inc_block_count(sbi, curseg) \ | |
3550 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
3551 | #define stat_inc_inplace_blocks(sbi) \ |
3552 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c JK |
3553 | #define stat_update_max_atomic_write(inode) \ |
3554 | do { \ | |
0e6d0164 | 3555 | int cur = F2FS_I_SB(inode)->atomic_files; \ |
26a28a0c JK |
3556 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ |
3557 | if (cur > max) \ | |
3558 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
3559 | } while (0) | |
648d50ba CY |
3560 | #define stat_inc_volatile_write(inode) \ |
3561 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) | |
3562 | #define stat_dec_volatile_write(inode) \ | |
3563 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) | |
3564 | #define stat_update_max_volatile_write(inode) \ | |
3565 | do { \ | |
3566 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ | |
3567 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ | |
3568 | if (cur > max) \ | |
3569 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ | |
3570 | } while (0) | |
e1235983 | 3571 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 3572 | do { \ |
963d4f7d | 3573 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
3574 | si->tot_segs++; \ |
3575 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 3576 | si->data_segs++; \ |
e1235983 CL |
3577 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3578 | } else { \ | |
39a53e0c | 3579 | si->node_segs++; \ |
e1235983 CL |
3580 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3581 | } \ | |
39a53e0c JK |
3582 | } while (0) |
3583 | ||
3584 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 3585 | ((si)->tot_blks += (blks)) |
39a53e0c | 3586 | |
e1235983 | 3587 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3588 | do { \ |
963d4f7d | 3589 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3590 | stat_inc_tot_blk_count(si, blks); \ |
3591 | si->data_blks += (blks); \ | |
68afcf2d | 3592 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3593 | } while (0) |
3594 | ||
e1235983 | 3595 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3596 | do { \ |
963d4f7d | 3597 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3598 | stat_inc_tot_blk_count(si, blks); \ |
3599 | si->node_blks += (blks); \ | |
68afcf2d | 3600 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3601 | } while (0) |
3602 | ||
cac5a3d8 DS |
3603 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
3604 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
21acc07d | 3605 | void __init f2fs_create_root_stats(void); |
4589d25d | 3606 | void f2fs_destroy_root_stats(void); |
fc7100ea | 3607 | void f2fs_update_sit_info(struct f2fs_sb_info *sbi); |
39a53e0c | 3608 | #else |
d66450e7 AB |
3609 | #define stat_inc_cp_count(si) do { } while (0) |
3610 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
3611 | #define stat_inc_call_count(si) do { } while (0) | |
3612 | #define stat_inc_bggc_count(si) do { } while (0) | |
274bd9ba CY |
3613 | #define stat_io_skip_bggc_count(sbi) do { } while (0) |
3614 | #define stat_other_skip_bggc_count(sbi) do { } while (0) | |
d66450e7 AB |
3615 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) |
3616 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
fc7100ea HV |
3617 | #define stat_inc_total_hit(sbi) do { } while (0) |
3618 | #define stat_inc_rbtree_node_hit(sbi) do { } while (0) | |
d66450e7 AB |
3619 | #define stat_inc_largest_node_hit(sbi) do { } while (0) |
3620 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
3621 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
3622 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
3623 | #define stat_inc_inline_inode(inode) do { } while (0) | |
3624 | #define stat_dec_inline_inode(inode) do { } while (0) | |
3625 | #define stat_inc_inline_dir(inode) do { } while (0) | |
3626 | #define stat_dec_inline_dir(inode) do { } while (0) | |
4c8ff709 CY |
3627 | #define stat_inc_compr_inode(inode) do { } while (0) |
3628 | #define stat_dec_compr_inode(inode) do { } while (0) | |
3629 | #define stat_add_compr_blocks(inode, blocks) do { } while (0) | |
3630 | #define stat_sub_compr_blocks(inode, blocks) do { } while (0) | |
d66450e7 AB |
3631 | #define stat_inc_atomic_write(inode) do { } while (0) |
3632 | #define stat_dec_atomic_write(inode) do { } while (0) | |
3633 | #define stat_update_max_atomic_write(inode) do { } while (0) | |
3634 | #define stat_inc_volatile_write(inode) do { } while (0) | |
3635 | #define stat_dec_volatile_write(inode) do { } while (0) | |
3636 | #define stat_update_max_volatile_write(inode) do { } while (0) | |
b63e7be5 | 3637 | #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) |
d66450e7 AB |
3638 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) |
3639 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
3640 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
3641 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
3642 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
3643 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
3644 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
3645 | |
3646 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
3647 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
21acc07d | 3648 | static inline void __init f2fs_create_root_stats(void) { } |
4589d25d | 3649 | static inline void f2fs_destroy_root_stats(void) { } |
fc7100ea | 3650 | static inline void update_sit_info(struct f2fs_sb_info *sbi) {} |
39a53e0c JK |
3651 | #endif |
3652 | ||
3653 | extern const struct file_operations f2fs_dir_operations; | |
2c2eb7a3 DR |
3654 | #ifdef CONFIG_UNICODE |
3655 | extern const struct dentry_operations f2fs_dentry_ops; | |
3656 | #endif | |
39a53e0c JK |
3657 | extern const struct file_operations f2fs_file_operations; |
3658 | extern const struct inode_operations f2fs_file_inode_operations; | |
3659 | extern const struct address_space_operations f2fs_dblock_aops; | |
3660 | extern const struct address_space_operations f2fs_node_aops; | |
3661 | extern const struct address_space_operations f2fs_meta_aops; | |
3662 | extern const struct inode_operations f2fs_dir_inode_operations; | |
3663 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 3664 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 3665 | extern const struct inode_operations f2fs_special_inode_operations; |
4d57b86d | 3666 | extern struct kmem_cache *f2fs_inode_entry_slab; |
1001b347 | 3667 | |
e18c65b2 HL |
3668 | /* |
3669 | * inline.c | |
3670 | */ | |
cac5a3d8 DS |
3671 | bool f2fs_may_inline_data(struct inode *inode); |
3672 | bool f2fs_may_inline_dentry(struct inode *inode); | |
4d57b86d CY |
3673 | void f2fs_do_read_inline_data(struct page *page, struct page *ipage); |
3674 | void f2fs_truncate_inline_inode(struct inode *inode, | |
3675 | struct page *ipage, u64 from); | |
cac5a3d8 DS |
3676 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
3677 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
3678 | int f2fs_convert_inline_inode(struct inode *inode); | |
b06af2af | 3679 | int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry); |
cac5a3d8 | 3680 | int f2fs_write_inline_data(struct inode *inode, struct page *page); |
4d57b86d CY |
3681 | bool f2fs_recover_inline_data(struct inode *inode, struct page *npage); |
3682 | struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, | |
cac5a3d8 | 3683 | struct fscrypt_name *fname, struct page **res_page); |
4d57b86d | 3684 | int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 DS |
3685 | struct page *ipage); |
3686 | int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name, | |
3687 | const struct qstr *orig_name, | |
3688 | struct inode *inode, nid_t ino, umode_t mode); | |
4d57b86d CY |
3689 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, |
3690 | struct page *page, struct inode *dir, | |
3691 | struct inode *inode); | |
cac5a3d8 DS |
3692 | bool f2fs_empty_inline_dir(struct inode *dir); |
3693 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
3694 | struct fscrypt_str *fstr); | |
3695 | int f2fs_inline_data_fiemap(struct inode *inode, | |
3696 | struct fiemap_extent_info *fieinfo, | |
3697 | __u64 start, __u64 len); | |
cde4de12 | 3698 | |
2658e50d JK |
3699 | /* |
3700 | * shrinker.c | |
3701 | */ | |
cac5a3d8 DS |
3702 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
3703 | struct shrink_control *sc); | |
3704 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
3705 | struct shrink_control *sc); | |
3706 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
3707 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 3708 | |
a28ef1f5 CY |
3709 | /* |
3710 | * extent_cache.c | |
3711 | */ | |
4dada3fd | 3712 | struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root, |
004b6862 | 3713 | struct rb_entry *cached_re, unsigned int ofs); |
4d57b86d | 3714 | struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, |
4dada3fd CY |
3715 | struct rb_root_cached *root, |
3716 | struct rb_node **parent, | |
3717 | unsigned int ofs, bool *leftmost); | |
3718 | struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root, | |
004b6862 CY |
3719 | struct rb_entry *cached_re, unsigned int ofs, |
3720 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
3721 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
4dada3fd | 3722 | bool force, bool *leftmost); |
4d57b86d | 3723 | bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
4dada3fd | 3724 | struct rb_root_cached *root); |
cac5a3d8 DS |
3725 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
3726 | bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext); | |
3727 | void f2fs_drop_extent_tree(struct inode *inode); | |
3728 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
3729 | void f2fs_destroy_extent_tree(struct inode *inode); | |
3730 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
3731 | struct extent_info *ei); | |
3732 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 3733 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
cac5a3d8 | 3734 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
4d57b86d CY |
3735 | void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); |
3736 | int __init f2fs_create_extent_cache(void); | |
3737 | void f2fs_destroy_extent_cache(void); | |
a28ef1f5 | 3738 | |
8ceffcb2 CY |
3739 | /* |
3740 | * sysfs.c | |
3741 | */ | |
dc6b2055 JK |
3742 | int __init f2fs_init_sysfs(void); |
3743 | void f2fs_exit_sysfs(void); | |
3744 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
3745 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 3746 | |
95ae251f EB |
3747 | /* verity.c */ |
3748 | extern const struct fsverity_operations f2fs_verityops; | |
3749 | ||
cde4de12 JK |
3750 | /* |
3751 | * crypto support | |
3752 | */ | |
1958593e JK |
3753 | static inline bool f2fs_encrypted_file(struct inode *inode) |
3754 | { | |
62230e0d | 3755 | return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode); |
1958593e JK |
3756 | } |
3757 | ||
cde4de12 JK |
3758 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
3759 | { | |
643fa961 | 3760 | #ifdef CONFIG_FS_ENCRYPTION |
cde4de12 | 3761 | file_set_encrypt(inode); |
9149a5eb | 3762 | f2fs_set_inode_flags(inode); |
cde4de12 JK |
3763 | #endif |
3764 | } | |
3765 | ||
6dbb1796 EB |
3766 | /* |
3767 | * Returns true if the reads of the inode's data need to undergo some | |
3768 | * postprocessing step, like decryption or authenticity verification. | |
3769 | */ | |
3770 | static inline bool f2fs_post_read_required(struct inode *inode) | |
cde4de12 | 3771 | { |
4c8ff709 CY |
3772 | return f2fs_encrypted_file(inode) || fsverity_active(inode) || |
3773 | f2fs_compressed_file(inode); | |
3774 | } | |
3775 | ||
3776 | /* | |
3777 | * compress.c | |
3778 | */ | |
3779 | #ifdef CONFIG_F2FS_FS_COMPRESSION | |
3780 | bool f2fs_is_compressed_page(struct page *page); | |
3781 | struct page *f2fs_compress_control_page(struct page *page); | |
3782 | int f2fs_prepare_compress_overwrite(struct inode *inode, | |
3783 | struct page **pagep, pgoff_t index, void **fsdata); | |
3784 | bool f2fs_compress_write_end(struct inode *inode, void *fsdata, | |
3785 | pgoff_t index, unsigned copied); | |
3786 | void f2fs_compress_write_end_io(struct bio *bio, struct page *page); | |
3787 | bool f2fs_is_compress_backend_ready(struct inode *inode); | |
3788 | void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity); | |
3789 | bool f2fs_cluster_is_empty(struct compress_ctx *cc); | |
3790 | bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); | |
3791 | void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); | |
3792 | int f2fs_write_multi_pages(struct compress_ctx *cc, | |
3793 | int *submitted, | |
3794 | struct writeback_control *wbc, | |
3795 | enum iostat_type io_type); | |
3796 | int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index); | |
3797 | int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, | |
3798 | unsigned nr_pages, sector_t *last_block_in_bio, | |
0683728a | 3799 | bool is_readahead, bool for_write); |
4c8ff709 CY |
3800 | struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc); |
3801 | void f2fs_free_dic(struct decompress_io_ctx *dic); | |
3802 | void f2fs_decompress_end_io(struct page **rpages, | |
3803 | unsigned int cluster_size, bool err, bool verity); | |
3804 | int f2fs_init_compress_ctx(struct compress_ctx *cc); | |
3805 | void f2fs_destroy_compress_ctx(struct compress_ctx *cc); | |
3806 | void f2fs_init_compress_info(struct f2fs_sb_info *sbi); | |
3807 | #else | |
3808 | static inline bool f2fs_is_compressed_page(struct page *page) { return false; } | |
3809 | static inline bool f2fs_is_compress_backend_ready(struct inode *inode) | |
3810 | { | |
3811 | if (!f2fs_compressed_file(inode)) | |
3812 | return true; | |
3813 | /* not support compression */ | |
3814 | return false; | |
3815 | } | |
3816 | static inline struct page *f2fs_compress_control_page(struct page *page) | |
3817 | { | |
3818 | WARN_ON_ONCE(1); | |
3819 | return ERR_PTR(-EINVAL); | |
3820 | } | |
3821 | #endif | |
3822 | ||
3823 | static inline void set_compress_context(struct inode *inode) | |
3824 | { | |
3825 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
3826 | ||
3827 | F2FS_I(inode)->i_compress_algorithm = | |
3828 | F2FS_OPTION(sbi).compress_algorithm; | |
3829 | F2FS_I(inode)->i_log_cluster_size = | |
3830 | F2FS_OPTION(sbi).compress_log_size; | |
3831 | F2FS_I(inode)->i_cluster_size = | |
3832 | 1 << F2FS_I(inode)->i_log_cluster_size; | |
3833 | F2FS_I(inode)->i_flags |= F2FS_COMPR_FL; | |
3834 | set_inode_flag(inode, FI_COMPRESSED_FILE); | |
3835 | stat_inc_compr_inode(inode); | |
3836 | } | |
3837 | ||
3838 | static inline u64 f2fs_disable_compressed_file(struct inode *inode) | |
3839 | { | |
3840 | struct f2fs_inode_info *fi = F2FS_I(inode); | |
3841 | ||
3842 | if (!f2fs_compressed_file(inode)) | |
3843 | return 0; | |
6cfdf15f CY |
3844 | if (get_dirty_pages(inode)) |
3845 | return 1; | |
4c8ff709 CY |
3846 | if (fi->i_compr_blocks) |
3847 | return fi->i_compr_blocks; | |
3848 | ||
3849 | fi->i_flags &= ~F2FS_COMPR_FL; | |
4c8ff709 | 3850 | stat_dec_compr_inode(inode); |
96f5b4fa | 3851 | clear_inode_flag(inode, FI_COMPRESSED_FILE); |
4c8ff709 | 3852 | return 0; |
cde4de12 JK |
3853 | } |
3854 | ||
ccd31cb2 | 3855 | #define F2FS_FEATURE_FUNCS(name, flagname) \ |
7beb01f7 | 3856 | static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \ |
ccd31cb2 | 3857 | { \ |
7beb01f7 | 3858 | return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \ |
52763a4b JK |
3859 | } |
3860 | ||
ccd31cb2 SY |
3861 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); |
3862 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); | |
3863 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); | |
3864 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); | |
3865 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); | |
3866 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); | |
3867 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); | |
3868 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); | |
b7c409de | 3869 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); |
95ae251f | 3870 | F2FS_FEATURE_FUNCS(verity, VERITY); |
d440c52d | 3871 | F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM); |
5aba5430 | 3872 | F2FS_FEATURE_FUNCS(casefold, CASEFOLD); |
4c8ff709 | 3873 | F2FS_FEATURE_FUNCS(compression, COMPRESSION); |
1c1d35df | 3874 | |
178053e2 | 3875 | #ifdef CONFIG_BLK_DEV_ZONED |
95175daf DLM |
3876 | static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi, |
3877 | block_t blkaddr) | |
178053e2 DLM |
3878 | { |
3879 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
3880 | ||
95175daf | 3881 | return test_bit(zno, FDEV(devi).blkz_seq); |
178053e2 DLM |
3882 | } |
3883 | #endif | |
3884 | ||
7d20c8ab | 3885 | static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi) |
52763a4b | 3886 | { |
7beb01f7 | 3887 | return f2fs_sb_has_blkzoned(sbi); |
7d20c8ab | 3888 | } |
96ba2dec | 3889 | |
7f3d7719 DLM |
3890 | static inline bool f2fs_bdev_support_discard(struct block_device *bdev) |
3891 | { | |
3892 | return blk_queue_discard(bdev_get_queue(bdev)) || | |
3893 | bdev_is_zoned(bdev); | |
3894 | } | |
3895 | ||
7d20c8ab CY |
3896 | static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi) |
3897 | { | |
7f3d7719 DLM |
3898 | int i; |
3899 | ||
3900 | if (!f2fs_is_multi_device(sbi)) | |
3901 | return f2fs_bdev_support_discard(sbi->sb->s_bdev); | |
3902 | ||
3903 | for (i = 0; i < sbi->s_ndevs; i++) | |
3904 | if (f2fs_bdev_support_discard(FDEV(i).bdev)) | |
3905 | return true; | |
3906 | return false; | |
7d20c8ab CY |
3907 | } |
3908 | ||
3909 | static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi) | |
3910 | { | |
3911 | return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || | |
3912 | f2fs_hw_should_discard(sbi); | |
52763a4b JK |
3913 | } |
3914 | ||
f824deb5 CY |
3915 | static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi) |
3916 | { | |
3917 | int i; | |
3918 | ||
3919 | if (!f2fs_is_multi_device(sbi)) | |
3920 | return bdev_read_only(sbi->sb->s_bdev); | |
3921 | ||
3922 | for (i = 0; i < sbi->s_ndevs; i++) | |
3923 | if (bdev_read_only(FDEV(i).bdev)) | |
3924 | return true; | |
3925 | return false; | |
3926 | } | |
3927 | ||
b0332a0f | 3928 | static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi) |
52763a4b | 3929 | { |
b0332a0f | 3930 | return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS; |
52763a4b JK |
3931 | } |
3932 | ||
fcc85a4d JK |
3933 | static inline bool f2fs_may_encrypt(struct inode *inode) |
3934 | { | |
643fa961 | 3935 | #ifdef CONFIG_FS_ENCRYPTION |
886f56f9 | 3936 | umode_t mode = inode->i_mode; |
fcc85a4d JK |
3937 | |
3938 | return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)); | |
3939 | #else | |
6e45f2a5 | 3940 | return false; |
fcc85a4d JK |
3941 | #endif |
3942 | } | |
3943 | ||
4c8ff709 CY |
3944 | static inline bool f2fs_may_compress(struct inode *inode) |
3945 | { | |
3946 | if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) || | |
3947 | f2fs_is_atomic_file(inode) || | |
3948 | f2fs_is_volatile_file(inode)) | |
3949 | return false; | |
3950 | return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode); | |
3951 | } | |
3952 | ||
3953 | static inline void f2fs_i_compr_blocks_update(struct inode *inode, | |
3954 | u64 blocks, bool add) | |
3955 | { | |
3956 | int diff = F2FS_I(inode)->i_cluster_size - blocks; | |
3957 | ||
3958 | if (add) { | |
3959 | F2FS_I(inode)->i_compr_blocks += diff; | |
3960 | stat_add_compr_blocks(inode, diff); | |
3961 | } else { | |
3962 | F2FS_I(inode)->i_compr_blocks -= diff; | |
3963 | stat_sub_compr_blocks(inode, diff); | |
3964 | } | |
3965 | f2fs_mark_inode_dirty_sync(inode, true); | |
3966 | } | |
3967 | ||
f847c699 CY |
3968 | static inline int block_unaligned_IO(struct inode *inode, |
3969 | struct kiocb *iocb, struct iov_iter *iter) | |
b91050a8 | 3970 | { |
f847c699 CY |
3971 | unsigned int i_blkbits = READ_ONCE(inode->i_blkbits); |
3972 | unsigned int blocksize_mask = (1 << i_blkbits) - 1; | |
3973 | loff_t offset = iocb->ki_pos; | |
3974 | unsigned long align = offset | iov_iter_alignment(iter); | |
3975 | ||
3976 | return align & blocksize_mask; | |
3977 | } | |
3978 | ||
3979 | static inline int allow_outplace_dio(struct inode *inode, | |
3980 | struct kiocb *iocb, struct iov_iter *iter) | |
3981 | { | |
3982 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
3983 | int rw = iov_iter_rw(iter); | |
3984 | ||
b0332a0f | 3985 | return (f2fs_lfs_mode(sbi) && (rw == WRITE) && |
f847c699 CY |
3986 | !block_unaligned_IO(inode, iocb, iter)); |
3987 | } | |
3988 | ||
3989 | static inline bool f2fs_force_buffered_io(struct inode *inode, | |
3990 | struct kiocb *iocb, struct iov_iter *iter) | |
3991 | { | |
3992 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
3993 | int rw = iov_iter_rw(iter); | |
3994 | ||
3995 | if (f2fs_post_read_required(inode)) | |
3996 | return true; | |
0916878d | 3997 | if (f2fs_is_multi_device(sbi)) |
f847c699 | 3998 | return true; |
4c8ff709 CY |
3999 | if (f2fs_compressed_file(inode)) |
4000 | return true; | |
f847c699 CY |
4001 | /* |
4002 | * for blkzoned device, fallback direct IO to buffered IO, so | |
4003 | * all IOs can be serialized by log-structured write. | |
4004 | */ | |
7beb01f7 | 4005 | if (f2fs_sb_has_blkzoned(sbi)) |
f847c699 | 4006 | return true; |
b0332a0f | 4007 | if (f2fs_lfs_mode(sbi) && (rw == WRITE)) { |
9720ee80 CY |
4008 | if (block_unaligned_IO(inode, iocb, iter)) |
4009 | return true; | |
4010 | if (F2FS_IO_ALIGNED(sbi)) | |
4011 | return true; | |
4012 | } | |
4969c06a | 4013 | if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED) && |
3ee0c5d3 | 4014 | !IS_SWAPFILE(inode)) |
4354994f DR |
4015 | return true; |
4016 | ||
f847c699 | 4017 | return false; |
b91050a8 HL |
4018 | } |
4019 | ||
83a3bfdb | 4020 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
4021 | extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
4022 | unsigned int type); | |
83a3bfdb | 4023 | #else |
d494500a | 4024 | #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0) |
83a3bfdb JK |
4025 | #endif |
4026 | ||
af033b2a CY |
4027 | static inline bool is_journalled_quota(struct f2fs_sb_info *sbi) |
4028 | { | |
4029 | #ifdef CONFIG_QUOTA | |
7beb01f7 | 4030 | if (f2fs_sb_has_quota_ino(sbi)) |
af033b2a CY |
4031 | return true; |
4032 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || | |
4033 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
4034 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
4035 | return true; | |
4036 | #endif | |
4037 | return false; | |
4038 | } | |
0af725fc | 4039 | |
10f966bb CY |
4040 | #define EFSBADCRC EBADMSG /* Bad CRC detected */ |
4041 | #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ | |
4042 | ||
e1074d4b | 4043 | #endif /* _LINUX_F2FS_H */ |