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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 DC |
27 | #include <linux/fscrypt.h> |
28 | ||
5d56b671 | 29 | #ifdef CONFIG_F2FS_CHECK_FS |
9850cf4a | 30 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
5d56b671 | 31 | #else |
9850cf4a JK |
32 | #define f2fs_bug_on(sbi, condition) \ |
33 | do { \ | |
34 | if (unlikely(condition)) { \ | |
35 | WARN_ON(1); \ | |
caf0047e | 36 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
9850cf4a JK |
37 | } \ |
38 | } while (0) | |
5d56b671 JK |
39 | #endif |
40 | ||
2c63fead JK |
41 | enum { |
42 | FAULT_KMALLOC, | |
628b3d14 | 43 | FAULT_KVMALLOC, |
c41f3cc3 | 44 | FAULT_PAGE_ALLOC, |
01eccef7 | 45 | FAULT_PAGE_GET, |
d62fe971 | 46 | FAULT_ALLOC_BIO, |
cb78942b JK |
47 | FAULT_ALLOC_NID, |
48 | FAULT_ORPHAN, | |
49 | FAULT_BLOCK, | |
50 | FAULT_DIR_DEPTH, | |
53aa6bbf | 51 | FAULT_EVICT_INODE, |
14b44d23 | 52 | FAULT_TRUNCATE, |
6f5c2ed0 | 53 | FAULT_READ_IO, |
0f348028 | 54 | FAULT_CHECKPOINT, |
b83dcfe6 | 55 | FAULT_DISCARD, |
6f5c2ed0 | 56 | FAULT_WRITE_IO, |
2c63fead JK |
57 | FAULT_MAX, |
58 | }; | |
59 | ||
7fa750a1 | 60 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
61 | #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1) |
62 | ||
08796897 SY |
63 | struct f2fs_fault_info { |
64 | atomic_t inject_ops; | |
65 | unsigned int inject_rate; | |
66 | unsigned int inject_type; | |
67 | }; | |
68 | ||
19880e6e | 69 | extern const char *f2fs_fault_name[FAULT_MAX]; |
68afcf2d | 70 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
2c63fead JK |
71 | #endif |
72 | ||
39a53e0c JK |
73 | /* |
74 | * For mount options | |
75 | */ | |
76 | #define F2FS_MOUNT_BG_GC 0x00000001 | |
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 |
6aefd93b | 90 | #define F2FS_MOUNT_FORCE_FG_GC 0x00004000 |
343f40f0 | 91 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
73faec4d | 92 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
36abef4e JK |
93 | #define F2FS_MOUNT_ADAPTIVE 0x00020000 |
94 | #define F2FS_MOUNT_LFS 0x00040000 | |
0abd675e CY |
95 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
96 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 | |
5c57132e | 97 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
4b2414d0 | 98 | #define F2FS_MOUNT_QUOTA 0x00400000 |
6afc662e | 99 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
7e65be49 | 100 | #define F2FS_MOUNT_RESERVE_ROOT 0x01000000 |
4354994f | 101 | #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000 |
39a53e0c | 102 | |
63189b78 CY |
103 | #define F2FS_OPTION(sbi) ((sbi)->mount_opt) |
104 | #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option) | |
105 | #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option) | |
106 | #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option) | |
39a53e0c JK |
107 | |
108 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ | |
109 | typecheck(unsigned long long, b) && \ | |
110 | ((long long)((a) - (b)) > 0)) | |
111 | ||
a9841c4d JK |
112 | typedef u32 block_t; /* |
113 | * should not change u32, since it is the on-disk block | |
114 | * address format, __le32. | |
115 | */ | |
39a53e0c JK |
116 | typedef u32 nid_t; |
117 | ||
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 */ | |
ff62af20 | 138 | bool test_dummy_encryption; /* test dummy encryption */ |
39a53e0c JK |
139 | }; |
140 | ||
7a2af766 CY |
141 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
142 | #define F2FS_FEATURE_BLKZONED 0x0002 | |
143 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 | |
144 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 | |
5c57132e | 145 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
704956ec | 146 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
6afc662e | 147 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
234a9689 | 148 | #define F2FS_FEATURE_QUOTA_INO 0x0080 |
1c1d35df | 149 | #define F2FS_FEATURE_INODE_CRTIME 0x0100 |
b7c409de | 150 | #define F2FS_FEATURE_LOST_FOUND 0x0200 |
53fedcc0 | 151 | #define F2FS_FEATURE_VERITY 0x0400 /* reserved */ |
d440c52d | 152 | #define F2FS_FEATURE_SB_CHKSUM 0x0800 |
cde4de12 | 153 | |
7beb01f7 CY |
154 | #define __F2FS_HAS_FEATURE(raw_super, mask) \ |
155 | ((raw_super->feature & cpu_to_le32(mask)) != 0) | |
156 | #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask) | |
157 | #define F2FS_SET_FEATURE(sbi, mask) \ | |
158 | (sbi->raw_super->feature |= cpu_to_le32(mask)) | |
159 | #define F2FS_CLEAR_FEATURE(sbi, mask) \ | |
160 | (sbi->raw_super->feature &= ~cpu_to_le32(mask)) | |
76f105a2 | 161 | |
7c2e5963 JK |
162 | /* |
163 | * Default values for user and/or group using reserved blocks | |
164 | */ | |
165 | #define F2FS_DEF_RESUID 0 | |
166 | #define F2FS_DEF_RESGID 0 | |
167 | ||
39a53e0c JK |
168 | /* |
169 | * For checkpoint manager | |
170 | */ | |
171 | enum { | |
172 | NAT_BITMAP, | |
173 | SIT_BITMAP | |
174 | }; | |
175 | ||
c473f1a9 CY |
176 | #define CP_UMOUNT 0x00000001 |
177 | #define CP_FASTBOOT 0x00000002 | |
178 | #define CP_SYNC 0x00000004 | |
179 | #define CP_RECOVERY 0x00000008 | |
180 | #define CP_DISCARD 0x00000010 | |
1f43e2ad | 181 | #define CP_TRIMMED 0x00000020 |
4354994f | 182 | #define CP_PAUSE 0x00000040 |
75ab4cb8 | 183 | |
4ddb1a4d | 184 | #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi) |
ecc9aa00 | 185 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
969d1b18 | 186 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
f9d1dced | 187 | #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */ |
969d1b18 | 188 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ |
8bb4f253 | 189 | #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */ |
60b99b48 | 190 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
dcf25fe8 | 191 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
4354994f | 192 | #define DEF_DISABLE_INTERVAL 5 /* 5 secs */ |
db610a64 | 193 | #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */ |
03f2c02d | 194 | #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */ |
bba681cb | 195 | |
75ab4cb8 JK |
196 | struct cp_control { |
197 | int reason; | |
4b2fecc8 JK |
198 | __u64 trim_start; |
199 | __u64 trim_end; | |
200 | __u64 trim_minlen; | |
75ab4cb8 JK |
201 | }; |
202 | ||
662befda | 203 | /* |
e1da7872 | 204 | * indicate meta/data type |
662befda CY |
205 | */ |
206 | enum { | |
207 | META_CP, | |
208 | META_NAT, | |
81c1a0f1 | 209 | META_SIT, |
4c521f49 | 210 | META_SSA, |
b63e7be5 | 211 | META_MAX, |
4c521f49 | 212 | META_POR, |
93770ab7 CY |
213 | DATA_GENERIC, /* check range only */ |
214 | DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */ | |
215 | DATA_GENERIC_ENHANCE_READ, /* | |
216 | * strong check on range and segment | |
217 | * bitmap but no warning due to race | |
218 | * condition of read on truncated area | |
219 | * by extent_cache | |
220 | */ | |
e1da7872 | 221 | META_GENERIC, |
662befda CY |
222 | }; |
223 | ||
6451e041 JK |
224 | /* for the list of ino */ |
225 | enum { | |
226 | ORPHAN_INO, /* for orphan ino list */ | |
fff04f90 JK |
227 | APPEND_INO, /* for append ino list */ |
228 | UPDATE_INO, /* for update ino list */ | |
0a007b97 | 229 | TRANS_DIR_INO, /* for trasactions dir ino list */ |
39d787be | 230 | FLUSH_INO, /* for multiple device flushing */ |
6451e041 JK |
231 | MAX_INO_ENTRY, /* max. list */ |
232 | }; | |
233 | ||
234 | struct ino_entry { | |
39d787be CY |
235 | struct list_head list; /* list head */ |
236 | nid_t ino; /* inode number */ | |
237 | unsigned int dirty_device; /* dirty device bitmap */ | |
39a53e0c JK |
238 | }; |
239 | ||
2710fd7e | 240 | /* for the list of inodes to be GCed */ |
06292073 | 241 | struct inode_entry { |
39a53e0c JK |
242 | struct list_head list; /* list head */ |
243 | struct inode *inode; /* vfs inode pointer */ | |
244 | }; | |
245 | ||
50fa53ec CY |
246 | struct fsync_node_entry { |
247 | struct list_head list; /* list head */ | |
248 | struct page *page; /* warm node page pointer */ | |
249 | unsigned int seq_id; /* sequence id */ | |
250 | }; | |
251 | ||
a7eeb823 | 252 | /* for the bitmap indicate blocks to be discarded */ |
7fd9e544 JK |
253 | struct discard_entry { |
254 | struct list_head list; /* list head */ | |
a7eeb823 CY |
255 | block_t start_blkaddr; /* start blockaddr of current segment */ |
256 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ | |
7fd9e544 JK |
257 | }; |
258 | ||
969d1b18 CY |
259 | /* default discard granularity of inner discard thread, unit: block count */ |
260 | #define DEFAULT_DISCARD_GRANULARITY 16 | |
261 | ||
ba48a33e CY |
262 | /* max discard pend list number */ |
263 | #define MAX_PLIST_NUM 512 | |
264 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ | |
2f84babf | 265 | (MAX_PLIST_NUM - 1) : ((blk_num) - 1)) |
ba48a33e | 266 | |
15469963 | 267 | enum { |
35ec7d57 CY |
268 | D_PREP, /* initial */ |
269 | D_PARTIAL, /* partially submitted */ | |
270 | D_SUBMIT, /* all submitted */ | |
271 | D_DONE, /* finished */ | |
15469963 JK |
272 | }; |
273 | ||
004b6862 CY |
274 | struct discard_info { |
275 | block_t lstart; /* logical start address */ | |
276 | block_t len; /* length */ | |
277 | block_t start; /* actual start address in dev */ | |
278 | }; | |
279 | ||
b01a9201 | 280 | struct discard_cmd { |
004b6862 CY |
281 | struct rb_node rb_node; /* rb node located in rb-tree */ |
282 | union { | |
283 | struct { | |
284 | block_t lstart; /* logical start address */ | |
285 | block_t len; /* length */ | |
286 | block_t start; /* actual start address in dev */ | |
287 | }; | |
288 | struct discard_info di; /* discard info */ | |
289 | ||
290 | }; | |
b01a9201 JK |
291 | struct list_head list; /* command list */ |
292 | struct completion wait; /* compleation */ | |
c81abe34 | 293 | struct block_device *bdev; /* bdev */ |
ec9895ad | 294 | unsigned short ref; /* reference count */ |
9a744b92 | 295 | unsigned char state; /* state */ |
72691af6 | 296 | unsigned char queued; /* queued discard */ |
c81abe34 | 297 | int error; /* bio error */ |
35ec7d57 CY |
298 | spinlock_t lock; /* for state/bio_ref updating */ |
299 | unsigned short bio_ref; /* bio reference count */ | |
275b66b0 CY |
300 | }; |
301 | ||
78997b56 CY |
302 | enum { |
303 | DPOLICY_BG, | |
304 | DPOLICY_FORCE, | |
305 | DPOLICY_FSTRIM, | |
306 | DPOLICY_UMOUNT, | |
307 | MAX_DPOLICY, | |
308 | }; | |
309 | ||
ecc9aa00 | 310 | struct discard_policy { |
78997b56 | 311 | int type; /* type of discard */ |
ecc9aa00 | 312 | unsigned int min_interval; /* used for candidates exist */ |
f9d1dced | 313 | unsigned int mid_interval; /* used for device busy */ |
ecc9aa00 CY |
314 | unsigned int max_interval; /* used for candidates not exist */ |
315 | unsigned int max_requests; /* # of discards issued per round */ | |
316 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ | |
317 | bool io_aware; /* issue discard in idle time */ | |
318 | bool sync; /* submit discard with REQ_SYNC flag */ | |
20ee4382 | 319 | bool ordered; /* issue discard by lba order */ |
78997b56 | 320 | unsigned int granularity; /* discard granularity */ |
03f2c02d | 321 | int timeout; /* discard timeout for put_super */ |
ecc9aa00 CY |
322 | }; |
323 | ||
0b54fb84 | 324 | struct discard_cmd_control { |
15469963 | 325 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
46f84c2c | 326 | struct list_head entry_list; /* 4KB discard entry list */ |
ba48a33e | 327 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
46f84c2c | 328 | struct list_head wait_list; /* store on-flushing entries */ |
8412663d | 329 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
15469963 | 330 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
969d1b18 | 331 | unsigned int discard_wake; /* to wake up discard thread */ |
15469963 | 332 | struct mutex cmd_lock; |
d618ebaf CY |
333 | unsigned int nr_discards; /* # of discards in the list */ |
334 | unsigned int max_discards; /* max. discards to be issued */ | |
969d1b18 | 335 | unsigned int discard_granularity; /* discard granularity */ |
d84d1cbd | 336 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
20ee4382 | 337 | unsigned int next_pos; /* next discard position */ |
8b8dd65f | 338 | atomic_t issued_discard; /* # of issued discard */ |
72691af6 | 339 | atomic_t queued_discard; /* # of queued discard */ |
5f32366a | 340 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
4dada3fd | 341 | struct rb_root_cached root; /* root of discard rb-tree */ |
67fce70b | 342 | bool rbtree_check; /* config for consistence check */ |
275b66b0 CY |
343 | }; |
344 | ||
39a53e0c JK |
345 | /* for the list of fsync inodes, used only during recovery */ |
346 | struct fsync_inode_entry { | |
347 | struct list_head list; /* list head */ | |
348 | struct inode *inode; /* vfs inode pointer */ | |
c52e1b10 JK |
349 | block_t blkaddr; /* block address locating the last fsync */ |
350 | block_t last_dentry; /* block address locating the last dentry */ | |
39a53e0c JK |
351 | }; |
352 | ||
68afcf2d TK |
353 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
354 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) | |
39a53e0c | 355 | |
68afcf2d TK |
356 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
357 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) | |
358 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) | |
359 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) | |
39a53e0c | 360 | |
dfc08a12 CY |
361 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
362 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) | |
309cc2b6 | 363 | |
dfc08a12 | 364 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 365 | { |
dfc08a12 | 366 | int before = nats_in_cursum(journal); |
cac5a3d8 | 367 | |
dfc08a12 | 368 | journal->n_nats = cpu_to_le16(before + i); |
39a53e0c JK |
369 | return before; |
370 | } | |
371 | ||
dfc08a12 | 372 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
39a53e0c | 373 | { |
dfc08a12 | 374 | int before = sits_in_cursum(journal); |
cac5a3d8 | 375 | |
dfc08a12 | 376 | journal->n_sits = cpu_to_le16(before + i); |
39a53e0c JK |
377 | return before; |
378 | } | |
379 | ||
dfc08a12 CY |
380 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
381 | int size, int type) | |
184a5cd2 CY |
382 | { |
383 | if (type == NAT_JOURNAL) | |
dfc08a12 CY |
384 | return size <= MAX_NAT_JENTRIES(journal); |
385 | return size <= MAX_SIT_JENTRIES(journal); | |
184a5cd2 CY |
386 | } |
387 | ||
e9750824 NJ |
388 | /* |
389 | * ioctl commands | |
390 | */ | |
88b88a66 JK |
391 | #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS |
392 | #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS | |
d49f3e89 | 393 | #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION |
88b88a66 JK |
394 | |
395 | #define F2FS_IOCTL_MAGIC 0xf5 | |
396 | #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) | |
397 | #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) | |
02a1335f | 398 | #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) |
1e84371f JK |
399 | #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) |
400 | #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) | |
d07efb50 | 401 | #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) |
456b88e4 | 402 | #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) |
d07efb50 JK |
403 | #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ |
404 | struct f2fs_defragment) | |
4dd6f977 JK |
405 | #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ |
406 | struct f2fs_move_range) | |
e066b83c JK |
407 | #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ |
408 | struct f2fs_flush_device) | |
34dc77ad JK |
409 | #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ |
410 | struct f2fs_gc_range) | |
e65ef207 | 411 | #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) |
1ad71a27 JK |
412 | #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) |
413 | #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) | |
c4020b2d | 414 | #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) |
e9750824 | 415 | |
0b81d077 JK |
416 | #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY |
417 | #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY | |
418 | #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT | |
f424f664 | 419 | |
1abff93d JK |
420 | /* |
421 | * should be same as XFS_IOC_GOINGDOWN. | |
422 | * Flags for going down operation used by FS_IOC_GOINGDOWN | |
423 | */ | |
424 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ | |
425 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ | |
426 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ | |
427 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ | |
c912a829 | 428 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
0cd6d9b0 | 429 | #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */ |
1abff93d | 430 | |
e9750824 NJ |
431 | #if defined(__KERNEL__) && defined(CONFIG_COMPAT) |
432 | /* | |
433 | * ioctl commands in 32 bit emulation | |
434 | */ | |
04ef4b62 CY |
435 | #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS |
436 | #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS | |
437 | #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION | |
e9750824 NJ |
438 | #endif |
439 | ||
2c1d0305 CY |
440 | #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR |
441 | #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR | |
442 | ||
34dc77ad JK |
443 | struct f2fs_gc_range { |
444 | u32 sync; | |
445 | u64 start; | |
446 | u64 len; | |
447 | }; | |
448 | ||
d323d005 CY |
449 | struct f2fs_defragment { |
450 | u64 start; | |
451 | u64 len; | |
452 | }; | |
453 | ||
4dd6f977 JK |
454 | struct f2fs_move_range { |
455 | u32 dst_fd; /* destination fd */ | |
456 | u64 pos_in; /* start position in src_fd */ | |
457 | u64 pos_out; /* start position in dst_fd */ | |
458 | u64 len; /* size to move */ | |
459 | }; | |
460 | ||
e066b83c JK |
461 | struct f2fs_flush_device { |
462 | u32 dev_num; /* device number to flush */ | |
463 | u32 segments; /* # of segments to flush */ | |
464 | }; | |
465 | ||
f2470371 CY |
466 | /* for inline stuff */ |
467 | #define DEF_INLINE_RESERVED_SIZE 1 | |
7a2af766 | 468 | static inline int get_extra_isize(struct inode *inode); |
6afc662e | 469 | static inline int get_inline_xattr_addrs(struct inode *inode); |
6afc662e CY |
470 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ |
471 | (CUR_ADDRS_PER_INODE(inode) - \ | |
b323fd28 | 472 | get_inline_xattr_addrs(inode) - \ |
6afc662e | 473 | DEF_INLINE_RESERVED_SIZE)) |
f2470371 CY |
474 | |
475 | /* for inline dir */ | |
476 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ | |
477 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
478 | BITS_PER_BYTE + 1)) | |
479 | #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \ | |
480 | BITS_PER_BYTE - 1) / BITS_PER_BYTE) | |
481 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ | |
482 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ | |
483 | NR_INLINE_DENTRY(inode) + \ | |
484 | INLINE_DENTRY_BITMAP_SIZE(inode))) | |
485 | ||
39a53e0c JK |
486 | /* |
487 | * For INODE and NODE manager | |
488 | */ | |
7b3cd7d6 JK |
489 | /* for directory operations */ |
490 | struct f2fs_dentry_ptr { | |
d8c6822a | 491 | struct inode *inode; |
76a9dd85 | 492 | void *bitmap; |
7b3cd7d6 JK |
493 | struct f2fs_dir_entry *dentry; |
494 | __u8 (*filename)[F2FS_SLOT_LEN]; | |
495 | int max; | |
76a9dd85 | 496 | int nr_bitmap; |
7b3cd7d6 JK |
497 | }; |
498 | ||
64c24ecb TK |
499 | static inline void make_dentry_ptr_block(struct inode *inode, |
500 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) | |
7b3cd7d6 | 501 | { |
d8c6822a | 502 | d->inode = inode; |
64c24ecb | 503 | d->max = NR_DENTRY_IN_BLOCK; |
76a9dd85 | 504 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
c79d1520 | 505 | d->bitmap = t->dentry_bitmap; |
64c24ecb TK |
506 | d->dentry = t->dentry; |
507 | d->filename = t->filename; | |
508 | } | |
d8c6822a | 509 | |
64c24ecb | 510 | static inline void make_dentry_ptr_inline(struct inode *inode, |
f2470371 | 511 | struct f2fs_dentry_ptr *d, void *t) |
64c24ecb | 512 | { |
f2470371 CY |
513 | int entry_cnt = NR_INLINE_DENTRY(inode); |
514 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); | |
515 | int reserved_size = INLINE_RESERVED_SIZE(inode); | |
516 | ||
64c24ecb | 517 | d->inode = inode; |
f2470371 CY |
518 | d->max = entry_cnt; |
519 | d->nr_bitmap = bitmap_size; | |
520 | d->bitmap = t; | |
521 | d->dentry = t + bitmap_size + reserved_size; | |
522 | d->filename = t + bitmap_size + reserved_size + | |
523 | SIZE_OF_DIR_ENTRY * entry_cnt; | |
7b3cd7d6 JK |
524 | } |
525 | ||
dbe6a5ff JK |
526 | /* |
527 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 | |
528 | * as its node offset to distinguish from index node blocks. | |
529 | * But some bits are used to mark the node block. | |
530 | */ | |
531 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ | |
532 | >> OFFSET_BIT_SHIFT) | |
266e97a8 JK |
533 | enum { |
534 | ALLOC_NODE, /* allocate a new node page if needed */ | |
535 | LOOKUP_NODE, /* look up a node without readahead */ | |
536 | LOOKUP_NODE_RA, /* | |
537 | * look up a node with readahead called | |
4f4124d0 | 538 | * by get_data_block. |
39a53e0c | 539 | */ |
266e97a8 JK |
540 | }; |
541 | ||
7735730d CY |
542 | #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */ |
543 | ||
af033b2a CY |
544 | /* maximum retry quota flush count */ |
545 | #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8 | |
546 | ||
a6db67f0 | 547 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
39a53e0c | 548 | |
817202d9 CY |
549 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
550 | ||
39a53e0c | 551 | /* for in-memory extent cache entry */ |
13054c54 CY |
552 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
553 | ||
554 | /* number of extent info in extent cache we try to shrink */ | |
555 | #define EXTENT_CACHE_SHRINK_NUMBER 128 | |
c11abd1a | 556 | |
54c2258c CY |
557 | struct rb_entry { |
558 | struct rb_node rb_node; /* rb node located in rb-tree */ | |
559 | unsigned int ofs; /* start offset of the entry */ | |
560 | unsigned int len; /* length of the entry */ | |
561 | }; | |
562 | ||
39a53e0c | 563 | struct extent_info { |
13054c54 | 564 | unsigned int fofs; /* start offset in a file */ |
13054c54 | 565 | unsigned int len; /* length of the extent */ |
54c2258c | 566 | u32 blk; /* start block address of the extent */ |
13054c54 CY |
567 | }; |
568 | ||
569 | struct extent_node { | |
c0362117 CY |
570 | struct rb_node rb_node; /* rb node located in rb-tree */ |
571 | struct extent_info ei; /* extent info */ | |
13054c54 | 572 | struct list_head list; /* node in global extent list of sbi */ |
201ef5e0 | 573 | struct extent_tree *et; /* extent tree pointer */ |
13054c54 CY |
574 | }; |
575 | ||
576 | struct extent_tree { | |
577 | nid_t ino; /* inode number */ | |
4dada3fd | 578 | struct rb_root_cached root; /* root of extent info rb-tree */ |
62c8af65 | 579 | struct extent_node *cached_en; /* recently accessed extent node */ |
3e72f721 | 580 | struct extent_info largest; /* largested extent info */ |
137d09f0 | 581 | struct list_head list; /* to be used by sbi->zombie_list */ |
13054c54 | 582 | rwlock_t lock; /* protect extent info rb-tree */ |
68e35385 | 583 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
b430f726 | 584 | bool largest_updated; /* largest extent updated */ |
39a53e0c JK |
585 | }; |
586 | ||
003a3e1d JK |
587 | /* |
588 | * This structure is taken from ext4_map_blocks. | |
589 | * | |
590 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). | |
591 | */ | |
592 | #define F2FS_MAP_NEW (1 << BH_New) | |
593 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) | |
7f63eb77 JK |
594 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
595 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ | |
596 | F2FS_MAP_UNWRITTEN) | |
003a3e1d JK |
597 | |
598 | struct f2fs_map_blocks { | |
599 | block_t m_pblk; | |
600 | block_t m_lblk; | |
601 | unsigned int m_len; | |
602 | unsigned int m_flags; | |
da85985c | 603 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
c4020b2d | 604 | pgoff_t *m_next_extent; /* point to next possible extent */ |
d5097be5 | 605 | int m_seg_type; |
f9d6d059 | 606 | bool m_may_create; /* indicate it is from write path */ |
003a3e1d JK |
607 | }; |
608 | ||
e2b4e2bc | 609 | /* for flag in get_data_block */ |
f2220c7f QS |
610 | enum { |
611 | F2FS_GET_BLOCK_DEFAULT, | |
612 | F2FS_GET_BLOCK_FIEMAP, | |
613 | F2FS_GET_BLOCK_BMAP, | |
0a4daae5 | 614 | F2FS_GET_BLOCK_DIO, |
f2220c7f QS |
615 | F2FS_GET_BLOCK_PRE_DIO, |
616 | F2FS_GET_BLOCK_PRE_AIO, | |
c4020b2d | 617 | F2FS_GET_BLOCK_PRECACHE, |
f2220c7f | 618 | }; |
e2b4e2bc | 619 | |
39a53e0c JK |
620 | /* |
621 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. | |
622 | */ | |
623 | #define FADVISE_COLD_BIT 0x01 | |
354a3399 | 624 | #define FADVISE_LOST_PINO_BIT 0x02 |
cde4de12 | 625 | #define FADVISE_ENCRYPT_BIT 0x04 |
e7d55452 | 626 | #define FADVISE_ENC_NAME_BIT 0x08 |
26787236 | 627 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
b6a06cbb | 628 | #define FADVISE_HOT_BIT 0x20 |
53fedcc0 | 629 | #define FADVISE_VERITY_BIT 0x40 /* reserved */ |
39a53e0c | 630 | |
797c1cb5 CY |
631 | #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT) |
632 | ||
b5492af7 JK |
633 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
634 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) | |
635 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) | |
636 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) | |
637 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) | |
638 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) | |
cde4de12 JK |
639 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
640 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) | |
641 | #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT) | |
e7d55452 JK |
642 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
643 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) | |
26787236 JK |
644 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
645 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) | |
b6a06cbb CY |
646 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) |
647 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) | |
648 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) | |
cde4de12 | 649 | |
ab9fa662 JK |
650 | #define DEF_DIR_LEVEL 0 |
651 | ||
2ef79ecb CY |
652 | enum { |
653 | GC_FAILURE_PIN, | |
654 | GC_FAILURE_ATOMIC, | |
655 | MAX_GC_FAILURE | |
656 | }; | |
657 | ||
39a53e0c JK |
658 | struct f2fs_inode_info { |
659 | struct inode vfs_inode; /* serve a vfs inode */ | |
660 | unsigned long i_flags; /* keep an inode flags for ioctl */ | |
661 | unsigned char i_advise; /* use to give file attribute hints */ | |
38431545 | 662 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
2ef79ecb CY |
663 | unsigned int i_current_depth; /* only for directory depth */ |
664 | /* for gc failure statistic */ | |
665 | unsigned int i_gc_failures[MAX_GC_FAILURE]; | |
6666e6aa | 666 | unsigned int i_pino; /* parent inode number */ |
39a53e0c JK |
667 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
668 | ||
669 | /* Use below internally in f2fs*/ | |
670 | unsigned long flags; /* use to pass per-file flags */ | |
d928bfbf | 671 | struct rw_semaphore i_sem; /* protect fi info */ |
204706c7 | 672 | atomic_t dirty_pages; /* # of dirty pages */ |
39a53e0c JK |
673 | f2fs_hash_t chash; /* hash value of given file name */ |
674 | unsigned int clevel; /* maximum level of given file name */ | |
88c5c13a | 675 | struct task_struct *task; /* lookup and create consistency */ |
b0af6d49 | 676 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
39a53e0c | 677 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
26de9b11 | 678 | loff_t last_disk_size; /* lastly written file size */ |
88b88a66 | 679 | |
0abd675e CY |
680 | #ifdef CONFIG_QUOTA |
681 | struct dquot *i_dquot[MAXQUOTAS]; | |
682 | ||
683 | /* quota space reservation, managed internally by quota code */ | |
684 | qsize_t i_reserved_quota; | |
685 | #endif | |
0f18b462 JK |
686 | struct list_head dirty_list; /* dirty list for dirs and files */ |
687 | struct list_head gdirty_list; /* linked in global dirty list */ | |
57864ae5 | 688 | struct list_head inmem_ilist; /* list for inmem inodes */ |
88b88a66 | 689 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
7a10f017 | 690 | struct task_struct *inmem_task; /* store inmemory task */ |
88b88a66 | 691 | struct mutex inmem_lock; /* lock for inmemory pages */ |
3e72f721 | 692 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
b2532c69 CY |
693 | |
694 | /* avoid racing between foreground op and gc */ | |
695 | struct rw_semaphore i_gc_rwsem[2]; | |
5a3a2d83 | 696 | struct rw_semaphore i_mmap_sem; |
27161f13 | 697 | struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ |
f2470371 | 698 | |
7a2af766 | 699 | int i_extra_isize; /* size of extra space located in i_addr */ |
5c57132e | 700 | kprojid_t i_projid; /* id for project quota */ |
6afc662e | 701 | int i_inline_xattr_size; /* inline xattr size */ |
24b81dfc AB |
702 | struct timespec64 i_crtime; /* inode creation time */ |
703 | struct timespec64 i_disk_time[4];/* inode disk times */ | |
39a53e0c JK |
704 | }; |
705 | ||
706 | static inline void get_extent_info(struct extent_info *ext, | |
bd933d4f | 707 | struct f2fs_extent *i_ext) |
39a53e0c | 708 | { |
bd933d4f CY |
709 | ext->fofs = le32_to_cpu(i_ext->fofs); |
710 | ext->blk = le32_to_cpu(i_ext->blk); | |
711 | ext->len = le32_to_cpu(i_ext->len); | |
39a53e0c JK |
712 | } |
713 | ||
714 | static inline void set_raw_extent(struct extent_info *ext, | |
715 | struct f2fs_extent *i_ext) | |
716 | { | |
39a53e0c | 717 | i_ext->fofs = cpu_to_le32(ext->fofs); |
4d0b0bd4 | 718 | i_ext->blk = cpu_to_le32(ext->blk); |
39a53e0c | 719 | i_ext->len = cpu_to_le32(ext->len); |
39a53e0c JK |
720 | } |
721 | ||
429511cd CY |
722 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
723 | u32 blk, unsigned int len) | |
724 | { | |
725 | ei->fofs = fofs; | |
726 | ei->blk = blk; | |
727 | ei->len = len; | |
728 | } | |
729 | ||
004b6862 | 730 | static inline bool __is_discard_mergeable(struct discard_info *back, |
35ec7d57 | 731 | struct discard_info *front, unsigned int max_len) |
004b6862 | 732 | { |
9a997188 | 733 | return (back->lstart + back->len == front->lstart) && |
35ec7d57 | 734 | (back->len + front->len <= max_len); |
004b6862 CY |
735 | } |
736 | ||
737 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, | |
35ec7d57 | 738 | struct discard_info *back, unsigned int max_len) |
004b6862 | 739 | { |
35ec7d57 | 740 | return __is_discard_mergeable(back, cur, max_len); |
004b6862 CY |
741 | } |
742 | ||
743 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, | |
35ec7d57 | 744 | struct discard_info *front, unsigned int max_len) |
004b6862 | 745 | { |
35ec7d57 | 746 | return __is_discard_mergeable(cur, front, max_len); |
004b6862 CY |
747 | } |
748 | ||
429511cd CY |
749 | static inline bool __is_extent_mergeable(struct extent_info *back, |
750 | struct extent_info *front) | |
751 | { | |
752 | return (back->fofs + back->len == front->fofs && | |
753 | back->blk + back->len == front->blk); | |
754 | } | |
755 | ||
756 | static inline bool __is_back_mergeable(struct extent_info *cur, | |
757 | struct extent_info *back) | |
758 | { | |
759 | return __is_extent_mergeable(back, cur); | |
760 | } | |
761 | ||
762 | static inline bool __is_front_mergeable(struct extent_info *cur, | |
763 | struct extent_info *front) | |
764 | { | |
765 | return __is_extent_mergeable(cur, front); | |
766 | } | |
767 | ||
cac5a3d8 | 768 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
b430f726 ZZ |
769 | static inline void __try_update_largest_extent(struct extent_tree *et, |
770 | struct extent_node *en) | |
4abd3f5a | 771 | { |
205b9822 | 772 | if (en->ei.len > et->largest.len) { |
4abd3f5a | 773 | et->largest = en->ei; |
b430f726 | 774 | et->largest_updated = true; |
205b9822 | 775 | } |
4abd3f5a CY |
776 | } |
777 | ||
9a4ffdf5 CY |
778 | /* |
779 | * For free nid management | |
780 | */ | |
781 | enum nid_state { | |
782 | FREE_NID, /* newly added to free nid list */ | |
783 | PREALLOC_NID, /* it is preallocated */ | |
784 | MAX_NID_STATE, | |
b8559dc2 CY |
785 | }; |
786 | ||
39a53e0c JK |
787 | struct f2fs_nm_info { |
788 | block_t nat_blkaddr; /* base disk address of NAT */ | |
789 | nid_t max_nid; /* maximum possible node ids */ | |
04d47e67 | 790 | nid_t available_nids; /* # of available node ids */ |
39a53e0c | 791 | nid_t next_scan_nid; /* the next nid to be scanned */ |
cdfc41c1 | 792 | unsigned int ram_thresh; /* control the memory footprint */ |
ea1a29a0 | 793 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
2304cb0c | 794 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
39a53e0c JK |
795 | |
796 | /* NAT cache management */ | |
797 | struct radix_tree_root nat_root;/* root of the nat entry cache */ | |
309cc2b6 | 798 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
b873b798 | 799 | struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */ |
39a53e0c | 800 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
22969158 | 801 | spinlock_t nat_list_lock; /* protect clean nat entry list */ |
309cc2b6 | 802 | unsigned int nat_cnt; /* the # of cached nat entries */ |
aec71382 | 803 | unsigned int dirty_nat_cnt; /* total num of nat entries in set */ |
22ad0b6a | 804 | unsigned int nat_blocks; /* # of nat blocks */ |
39a53e0c JK |
805 | |
806 | /* free node ids management */ | |
8a7ed66a | 807 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
9a4ffdf5 CY |
808 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
809 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ | |
b8559dc2 | 810 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
39a53e0c | 811 | struct mutex build_lock; /* lock for build free nids */ |
bb1105e4 | 812 | unsigned char **free_nid_bitmap; |
4ac91242 | 813 | unsigned char *nat_block_bitmap; |
586d1492 | 814 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
39a53e0c JK |
815 | |
816 | /* for checkpoint */ | |
817 | char *nat_bitmap; /* NAT bitmap pointer */ | |
22ad0b6a JK |
818 | |
819 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ | |
820 | unsigned char *nat_bits; /* NAT bits blocks */ | |
821 | unsigned char *full_nat_bits; /* full NAT pages */ | |
822 | unsigned char *empty_nat_bits; /* empty NAT pages */ | |
599a09b2 CY |
823 | #ifdef CONFIG_F2FS_CHECK_FS |
824 | char *nat_bitmap_mir; /* NAT bitmap mirror */ | |
825 | #endif | |
39a53e0c JK |
826 | int bitmap_size; /* bitmap size */ |
827 | }; | |
828 | ||
829 | /* | |
830 | * this structure is used as one of function parameters. | |
831 | * all the information are dedicated to a given direct node block determined | |
832 | * by the data offset in a file. | |
833 | */ | |
834 | struct dnode_of_data { | |
835 | struct inode *inode; /* vfs inode pointer */ | |
836 | struct page *inode_page; /* its inode page, NULL is possible */ | |
837 | struct page *node_page; /* cached direct node page */ | |
838 | nid_t nid; /* node id of the direct node block */ | |
839 | unsigned int ofs_in_node; /* data offset in the node page */ | |
840 | bool inode_page_locked; /* inode page is locked or not */ | |
93bae099 | 841 | bool node_changed; /* is node block changed */ |
3cf45747 CY |
842 | char cur_level; /* level of hole node page */ |
843 | char max_level; /* level of current page located */ | |
39a53e0c JK |
844 | block_t data_blkaddr; /* block address of the node block */ |
845 | }; | |
846 | ||
847 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, | |
848 | struct page *ipage, struct page *npage, nid_t nid) | |
849 | { | |
d66d1f76 | 850 | memset(dn, 0, sizeof(*dn)); |
39a53e0c JK |
851 | dn->inode = inode; |
852 | dn->inode_page = ipage; | |
853 | dn->node_page = npage; | |
854 | dn->nid = nid; | |
39a53e0c JK |
855 | } |
856 | ||
857 | /* | |
858 | * For SIT manager | |
859 | * | |
860 | * By default, there are 6 active log areas across the whole main area. | |
861 | * When considering hot and cold data separation to reduce cleaning overhead, | |
862 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, | |
863 | * respectively. | |
864 | * In the current design, you should not change the numbers intentionally. | |
865 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 | |
866 | * logs individually according to the underlying devices. (default: 6) | |
867 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for | |
868 | * data and 8 for node logs. | |
869 | */ | |
870 | #define NR_CURSEG_DATA_TYPE (3) | |
871 | #define NR_CURSEG_NODE_TYPE (3) | |
872 | #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) | |
873 | ||
874 | enum { | |
875 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ | |
876 | CURSEG_WARM_DATA, /* data blocks */ | |
877 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ | |
878 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ | |
879 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ | |
880 | CURSEG_COLD_NODE, /* indirect node blocks */ | |
38aa0889 | 881 | NO_CHECK_TYPE, |
39a53e0c JK |
882 | }; |
883 | ||
6b4afdd7 | 884 | struct flush_cmd { |
6b4afdd7 | 885 | struct completion wait; |
721bd4d5 | 886 | struct llist_node llnode; |
39d787be | 887 | nid_t ino; |
6b4afdd7 JK |
888 | int ret; |
889 | }; | |
890 | ||
a688b9d9 GZ |
891 | struct flush_cmd_control { |
892 | struct task_struct *f2fs_issue_flush; /* flush thread */ | |
893 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ | |
8b8dd65f | 894 | atomic_t issued_flush; /* # of issued flushes */ |
72691af6 | 895 | atomic_t queued_flush; /* # of queued flushes */ |
721bd4d5 GZ |
896 | struct llist_head issue_list; /* list for command issue */ |
897 | struct llist_node *dispatch_list; /* list for command dispatch */ | |
a688b9d9 GZ |
898 | }; |
899 | ||
39a53e0c JK |
900 | struct f2fs_sm_info { |
901 | struct sit_info *sit_info; /* whole segment information */ | |
902 | struct free_segmap_info *free_info; /* free segment information */ | |
903 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ | |
904 | struct curseg_info *curseg_array; /* active segment information */ | |
905 | ||
2b60311d CY |
906 | struct rw_semaphore curseg_lock; /* for preventing curseg change */ |
907 | ||
39a53e0c JK |
908 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
909 | block_t main_blkaddr; /* start block address of main area */ | |
910 | block_t ssa_blkaddr; /* start block address of SSA area */ | |
911 | ||
912 | unsigned int segment_count; /* total # of segments */ | |
913 | unsigned int main_segments; /* # of segments in main area */ | |
914 | unsigned int reserved_segments; /* # of reserved segments */ | |
915 | unsigned int ovp_segments; /* # of overprovision segments */ | |
81eb8d6e JK |
916 | |
917 | /* a threshold to reclaim prefree segments */ | |
918 | unsigned int rec_prefree_segments; | |
7fd9e544 | 919 | |
bba681cb JK |
920 | /* for batched trimming */ |
921 | unsigned int trim_sections; /* # of sections to trim */ | |
922 | ||
184a5cd2 CY |
923 | struct list_head sit_entry_set; /* sit entry set list */ |
924 | ||
216fbd64 JK |
925 | unsigned int ipu_policy; /* in-place-update policy */ |
926 | unsigned int min_ipu_util; /* in-place-update threshold */ | |
c1ce1b02 | 927 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
853137ce | 928 | unsigned int min_seq_blocks; /* threshold for sequential blocks */ |
ef095d19 | 929 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
a2a12b67 | 930 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
6b4afdd7 JK |
931 | |
932 | /* for flush command control */ | |
b01a9201 | 933 | struct flush_cmd_control *fcc_info; |
a688b9d9 | 934 | |
0b54fb84 JK |
935 | /* for discard command control */ |
936 | struct discard_cmd_control *dcc_info; | |
39a53e0c JK |
937 | }; |
938 | ||
39a53e0c JK |
939 | /* |
940 | * For superblock | |
941 | */ | |
942 | /* | |
943 | * COUNT_TYPE for monitoring | |
944 | * | |
945 | * f2fs monitors the number of several block types such as on-writeback, | |
946 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. | |
947 | */ | |
36951b38 | 948 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
39a53e0c | 949 | enum count_type { |
39a53e0c | 950 | F2FS_DIRTY_DENTS, |
c227f912 | 951 | F2FS_DIRTY_DATA, |
2c8a4a28 | 952 | F2FS_DIRTY_QDATA, |
39a53e0c JK |
953 | F2FS_DIRTY_NODES, |
954 | F2FS_DIRTY_META, | |
8dcf2ff7 | 955 | F2FS_INMEM_PAGES, |
0f18b462 | 956 | F2FS_DIRTY_IMETA, |
36951b38 CY |
957 | F2FS_WB_CP_DATA, |
958 | F2FS_WB_DATA, | |
5f9abab4 JK |
959 | F2FS_RD_DATA, |
960 | F2FS_RD_NODE, | |
961 | F2FS_RD_META, | |
02b16d0a CY |
962 | F2FS_DIO_WRITE, |
963 | F2FS_DIO_READ, | |
39a53e0c JK |
964 | NR_COUNT_TYPE, |
965 | }; | |
966 | ||
39a53e0c | 967 | /* |
e1c42045 | 968 | * The below are the page types of bios used in submit_bio(). |
39a53e0c JK |
969 | * The available types are: |
970 | * DATA User data pages. It operates as async mode. | |
971 | * NODE Node pages. It operates as async mode. | |
972 | * META FS metadata pages such as SIT, NAT, CP. | |
973 | * NR_PAGE_TYPE The number of page types. | |
974 | * META_FLUSH Make sure the previous pages are written | |
975 | * with waiting the bio's completion | |
976 | * ... Only can be used with META. | |
977 | */ | |
7d5e5109 | 978 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
39a53e0c JK |
979 | enum page_type { |
980 | DATA, | |
981 | NODE, | |
982 | META, | |
983 | NR_PAGE_TYPE, | |
984 | META_FLUSH, | |
8ce67cb0 JK |
985 | INMEM, /* the below types are used by tracepoints only. */ |
986 | INMEM_DROP, | |
8c242db9 | 987 | INMEM_INVALIDATE, |
28bc106b | 988 | INMEM_REVOKE, |
8ce67cb0 JK |
989 | IPU, |
990 | OPU, | |
39a53e0c JK |
991 | }; |
992 | ||
a912b54d JK |
993 | enum temp_type { |
994 | HOT = 0, /* must be zero for meta bio */ | |
995 | WARM, | |
996 | COLD, | |
997 | NR_TEMP_TYPE, | |
998 | }; | |
999 | ||
cc15620b JK |
1000 | enum need_lock_type { |
1001 | LOCK_REQ = 0, | |
1002 | LOCK_DONE, | |
1003 | LOCK_RETRY, | |
1004 | }; | |
1005 | ||
a5fd5050 CY |
1006 | enum cp_reason_type { |
1007 | CP_NO_NEEDED, | |
1008 | CP_NON_REGULAR, | |
1009 | CP_HARDLINK, | |
1010 | CP_SB_NEED_CP, | |
1011 | CP_WRONG_PINO, | |
1012 | CP_NO_SPC_ROLL, | |
1013 | CP_NODE_NEED_CP, | |
1014 | CP_FASTBOOT_MODE, | |
1015 | CP_SPEC_LOG_NUM, | |
0a007b97 | 1016 | CP_RECOVER_DIR, |
a5fd5050 CY |
1017 | }; |
1018 | ||
b0af6d49 CY |
1019 | enum iostat_type { |
1020 | APP_DIRECT_IO, /* app direct IOs */ | |
1021 | APP_BUFFERED_IO, /* app buffered IOs */ | |
1022 | APP_WRITE_IO, /* app write IOs */ | |
1023 | APP_MAPPED_IO, /* app mapped IOs */ | |
1024 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ | |
1025 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ | |
1026 | FS_META_IO, /* meta IOs from kworker/reclaimer */ | |
1027 | FS_GC_DATA_IO, /* data IOs from forground gc */ | |
1028 | FS_GC_NODE_IO, /* node IOs from forground gc */ | |
1029 | FS_CP_DATA_IO, /* data IOs from checkpoint */ | |
1030 | FS_CP_NODE_IO, /* node IOs from checkpoint */ | |
1031 | FS_CP_META_IO, /* meta IOs from checkpoint */ | |
1032 | FS_DISCARD, /* discard */ | |
1033 | NR_IO_TYPE, | |
1034 | }; | |
1035 | ||
458e6197 | 1036 | struct f2fs_io_info { |
05ca3632 | 1037 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
39d787be | 1038 | nid_t ino; /* inode number */ |
7e8f2308 | 1039 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
a912b54d | 1040 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
04d328de | 1041 | int op; /* contains REQ_OP_ */ |
ef295ecf | 1042 | int op_flags; /* req_flag_bits */ |
7a9d7548 | 1043 | block_t new_blkaddr; /* new block address to be written */ |
28bc106b | 1044 | block_t old_blkaddr; /* old block address before Cow */ |
05ca3632 | 1045 | struct page *page; /* page to be written */ |
4375a336 | 1046 | struct page *encrypted_page; /* encrypted page */ |
fb830fc5 | 1047 | struct list_head list; /* serialize IOs */ |
d68f735b | 1048 | bool submitted; /* indicate IO submission */ |
cc15620b | 1049 | int need_lock; /* indicate we need to lock cp_rwsem */ |
fb830fc5 | 1050 | bool in_list; /* indicate fio is in io_list */ |
6dc3a126 | 1051 | bool is_por; /* indicate IO is from recovery or not */ |
fe16efe6 | 1052 | bool retry; /* need to reallocate block address */ |
b0af6d49 | 1053 | enum iostat_type io_type; /* io type */ |
578c6478 | 1054 | struct writeback_control *io_wbc; /* writeback control */ |
8648de2c CY |
1055 | struct bio **bio; /* bio for ipu */ |
1056 | sector_t *last_block; /* last block number in bio */ | |
7735730d | 1057 | unsigned char version; /* version of the node */ |
458e6197 JK |
1058 | }; |
1059 | ||
68afcf2d | 1060 | #define is_read_io(rw) ((rw) == READ) |
1ff7bd3b | 1061 | struct f2fs_bio_info { |
458e6197 | 1062 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
1ff7bd3b JK |
1063 | struct bio *bio; /* bios to merge */ |
1064 | sector_t last_block_in_bio; /* last block number */ | |
458e6197 | 1065 | struct f2fs_io_info fio; /* store buffered io info. */ |
df0f8dc0 | 1066 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
fb830fc5 CY |
1067 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
1068 | struct list_head io_list; /* track fios */ | |
1ff7bd3b JK |
1069 | }; |
1070 | ||
3c62be17 JK |
1071 | #define FDEV(i) (sbi->devs[i]) |
1072 | #define RDEV(i) (raw_super->devs[i]) | |
1073 | struct f2fs_dev_info { | |
1074 | struct block_device *bdev; | |
1075 | char path[MAX_PATH_LEN]; | |
1076 | unsigned int total_segments; | |
1077 | block_t start_blk; | |
1078 | block_t end_blk; | |
1079 | #ifdef CONFIG_BLK_DEV_ZONED | |
95175daf DLM |
1080 | unsigned int nr_blkz; /* Total number of zones */ |
1081 | unsigned long *blkz_seq; /* Bitmap indicating sequential zones */ | |
3c62be17 JK |
1082 | #endif |
1083 | }; | |
1084 | ||
c227f912 CY |
1085 | enum inode_type { |
1086 | DIR_INODE, /* for dirty dir inode */ | |
1087 | FILE_INODE, /* for dirty regular/symlink inode */ | |
0f18b462 | 1088 | DIRTY_META, /* for all dirtied inode metadata */ |
57864ae5 | 1089 | ATOMIC_FILE, /* for all atomic files */ |
c227f912 CY |
1090 | NR_INODE_TYPE, |
1091 | }; | |
1092 | ||
67298804 CY |
1093 | /* for inner inode cache management */ |
1094 | struct inode_management { | |
1095 | struct radix_tree_root ino_root; /* ino entry array */ | |
1096 | spinlock_t ino_lock; /* for ino entry lock */ | |
1097 | struct list_head ino_list; /* inode list head */ | |
1098 | unsigned long ino_num; /* number of entries */ | |
1099 | }; | |
1100 | ||
caf0047e CY |
1101 | /* For s_flag in struct f2fs_sb_info */ |
1102 | enum { | |
1103 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ | |
1104 | SBI_IS_CLOSE, /* specify unmounting */ | |
1105 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ | |
1106 | SBI_POR_DOING, /* recovery is doing or not */ | |
df728b0f | 1107 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
bbf156f7 | 1108 | SBI_NEED_CP, /* need to checkpoint */ |
83a3bfdb | 1109 | SBI_IS_SHUTDOWN, /* shutdown by ioctl */ |
1378752b | 1110 | SBI_IS_RECOVERED, /* recovered orphan/data */ |
4354994f | 1111 | SBI_CP_DISABLED, /* CP was disabled last mount */ |
db610a64 | 1112 | SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */ |
af033b2a CY |
1113 | SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */ |
1114 | SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */ | |
1115 | SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */ | |
caf0047e CY |
1116 | }; |
1117 | ||
6beceb54 JK |
1118 | enum { |
1119 | CP_TIME, | |
d0239e1b | 1120 | REQ_TIME, |
a7d10cf3 ST |
1121 | DISCARD_TIME, |
1122 | GC_TIME, | |
4354994f | 1123 | DISABLE_TIME, |
03f2c02d | 1124 | UMOUNT_DISCARD_TIMEOUT, |
6beceb54 JK |
1125 | MAX_TIME, |
1126 | }; | |
1127 | ||
5b0e9539 JK |
1128 | enum { |
1129 | GC_NORMAL, | |
1130 | GC_IDLE_CB, | |
1131 | GC_IDLE_GREEDY, | |
1132 | GC_URGENT, | |
1133 | }; | |
1134 | ||
0cdd3195 HL |
1135 | enum { |
1136 | WHINT_MODE_OFF, /* not pass down write hints */ | |
1137 | WHINT_MODE_USER, /* try to pass down hints given by users */ | |
f2e703f9 | 1138 | WHINT_MODE_FS, /* pass down hints with F2FS policy */ |
0cdd3195 HL |
1139 | }; |
1140 | ||
07939627 JK |
1141 | enum { |
1142 | ALLOC_MODE_DEFAULT, /* stay default */ | |
1143 | ALLOC_MODE_REUSE, /* reuse segments as much as possible */ | |
1144 | }; | |
1145 | ||
93cf93f1 JZ |
1146 | enum fsync_mode { |
1147 | FSYNC_MODE_POSIX, /* fsync follows posix semantics */ | |
1148 | FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ | |
d6290814 | 1149 | FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ |
93cf93f1 JZ |
1150 | }; |
1151 | ||
643fa961 | 1152 | #ifdef CONFIG_FS_ENCRYPTION |
ff62af20 SY |
1153 | #define DUMMY_ENCRYPTION_ENABLED(sbi) \ |
1154 | (unlikely(F2FS_OPTION(sbi).test_dummy_encryption)) | |
1155 | #else | |
1156 | #define DUMMY_ENCRYPTION_ENABLED(sbi) (0) | |
1157 | #endif | |
1158 | ||
39a53e0c JK |
1159 | struct f2fs_sb_info { |
1160 | struct super_block *sb; /* pointer to VFS super block */ | |
5e176d54 | 1161 | struct proc_dir_entry *s_proc; /* proc entry */ |
39a53e0c | 1162 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
846ae671 | 1163 | struct rw_semaphore sb_lock; /* lock for raw super block */ |
e8240f65 | 1164 | int valid_super_block; /* valid super block no */ |
fadb2fb8 | 1165 | unsigned long s_flag; /* flags for sbi */ |
853137ce | 1166 | struct mutex writepages; /* mutex for writepages() */ |
39a53e0c | 1167 | |
178053e2 | 1168 | #ifdef CONFIG_BLK_DEV_ZONED |
178053e2 DLM |
1169 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
1170 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ | |
178053e2 DLM |
1171 | #endif |
1172 | ||
39a53e0c JK |
1173 | /* for node-related operations */ |
1174 | struct f2fs_nm_info *nm_info; /* node manager */ | |
1175 | struct inode *node_inode; /* cache node blocks */ | |
1176 | ||
1177 | /* for segment-related operations */ | |
1178 | struct f2fs_sm_info *sm_info; /* segment manager */ | |
1ff7bd3b JK |
1179 | |
1180 | /* for bio operations */ | |
a912b54d | 1181 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
107a805d CY |
1182 | /* keep migration IO order for LFS mode */ |
1183 | struct rw_semaphore io_order_lock; | |
0a595eba | 1184 | mempool_t *write_io_dummy; /* Dummy pages */ |
39a53e0c JK |
1185 | |
1186 | /* for checkpoint */ | |
1187 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ | |
8508e44a | 1188 | int cur_cp_pack; /* remain current cp pack */ |
aaec2b1d | 1189 | spinlock_t cp_lock; /* for flag in ckpt */ |
39a53e0c | 1190 | struct inode *meta_inode; /* cache meta blocks */ |
39936837 | 1191 | struct mutex cp_mutex; /* checkpoint procedure lock */ |
b873b798 | 1192 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
b3582c68 | 1193 | struct rw_semaphore node_write; /* locking node writes */ |
59c9081b | 1194 | struct rw_semaphore node_change; /* locking node change */ |
fb51b5ef | 1195 | wait_queue_head_t cp_wait; |
6beceb54 JK |
1196 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
1197 | long interval_time[MAX_TIME]; /* to store thresholds */ | |
39a53e0c | 1198 | |
67298804 | 1199 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
6451e041 | 1200 | |
50fa53ec CY |
1201 | spinlock_t fsync_node_lock; /* for node entry lock */ |
1202 | struct list_head fsync_node_list; /* node list head */ | |
1203 | unsigned int fsync_seg_id; /* sequence id */ | |
1204 | unsigned int fsync_node_num; /* number of node entries */ | |
1205 | ||
6451e041 | 1206 | /* for orphan inode, use 0'th array */ |
0d47c1ad | 1207 | unsigned int max_orphans; /* max orphan inodes */ |
39a53e0c | 1208 | |
c227f912 CY |
1209 | /* for inode management */ |
1210 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ | |
1211 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ | |
040d2bb3 | 1212 | struct mutex flush_lock; /* for flush exclusion */ |
39a53e0c | 1213 | |
13054c54 CY |
1214 | /* for extent tree cache */ |
1215 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ | |
5e8256ac | 1216 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
13054c54 CY |
1217 | struct list_head extent_list; /* lru list for shrinker */ |
1218 | spinlock_t extent_lock; /* locking extent lru list */ | |
7441ccef | 1219 | atomic_t total_ext_tree; /* extent tree count */ |
137d09f0 | 1220 | struct list_head zombie_list; /* extent zombie tree list */ |
74fd8d99 | 1221 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
13054c54 CY |
1222 | atomic_t total_ext_node; /* extent info count */ |
1223 | ||
e1c42045 | 1224 | /* basic filesystem units */ |
39a53e0c JK |
1225 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
1226 | unsigned int log_blocksize; /* log2 block size */ | |
1227 | unsigned int blocksize; /* block size */ | |
1228 | unsigned int root_ino_num; /* root inode number*/ | |
1229 | unsigned int node_ino_num; /* node inode number*/ | |
1230 | unsigned int meta_ino_num; /* meta inode number*/ | |
1231 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ | |
1232 | unsigned int blocks_per_seg; /* blocks per segment */ | |
1233 | unsigned int segs_per_sec; /* segments per section */ | |
1234 | unsigned int secs_per_zone; /* sections per zone */ | |
1235 | unsigned int total_sections; /* total section count */ | |
1236 | unsigned int total_node_count; /* total node block count */ | |
1237 | unsigned int total_valid_node_count; /* valid node block count */ | |
e0afc4d6 | 1238 | loff_t max_file_blocks; /* max block index of file */ |
ab9fa662 | 1239 | int dir_level; /* directory level */ |
f6df8f23 | 1240 | int readdir_ra; /* readahead inode in readdir */ |
39a53e0c JK |
1241 | |
1242 | block_t user_block_count; /* # of user blocks */ | |
1243 | block_t total_valid_block_count; /* # of valid blocks */ | |
a66cdd98 | 1244 | block_t discard_blks; /* discard command candidats */ |
39a53e0c | 1245 | block_t last_valid_block_count; /* for recovery */ |
daeb433e | 1246 | block_t reserved_blocks; /* configurable reserved blocks */ |
80d42145 | 1247 | block_t current_reserved_blocks; /* current reserved blocks */ |
daeb433e | 1248 | |
4354994f DR |
1249 | /* Additional tracking for no checkpoint mode */ |
1250 | block_t unusable_block_count; /* # of blocks saved by last cp */ | |
1251 | ||
292c196a CY |
1252 | unsigned int nquota_files; /* # of quota sysfile */ |
1253 | ||
523be8a6 | 1254 | /* # of pages, see count_type */ |
35782b23 | 1255 | atomic_t nr_pages[NR_COUNT_TYPE]; |
41382ec4 JK |
1256 | /* # of allocated blocks */ |
1257 | struct percpu_counter alloc_valid_block_count; | |
39a53e0c | 1258 | |
687de7f1 | 1259 | /* writeback control */ |
c29fd0c0 | 1260 | atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */ |
687de7f1 | 1261 | |
513c5f37 JK |
1262 | /* valid inode count */ |
1263 | struct percpu_counter total_valid_inode_count; | |
1264 | ||
39a53e0c JK |
1265 | struct f2fs_mount_info mount_opt; /* mount options */ |
1266 | ||
1267 | /* for cleaning operations */ | |
1268 | struct mutex gc_mutex; /* mutex for GC */ | |
1269 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ | |
5ec4e49f | 1270 | unsigned int cur_victim_sec; /* current victim section num */ |
5b0e9539 | 1271 | unsigned int gc_mode; /* current GC state */ |
e3080b01 | 1272 | unsigned int next_victim_seg[2]; /* next segment in victim section */ |
2ef79ecb CY |
1273 | /* for skip statistic */ |
1274 | unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */ | |
6f8d4455 | 1275 | unsigned long long skipped_gc_rwsem; /* FG_GC only */ |
39a53e0c | 1276 | |
1ad71a27 JK |
1277 | /* threshold for gc trials on pinned files */ |
1278 | u64 gc_pin_file_threshold; | |
1279 | ||
b1c57c1c JK |
1280 | /* maximum # of trials to find a victim segment for SSR and GC */ |
1281 | unsigned int max_victim_search; | |
e3080b01 CY |
1282 | /* migration granularity of garbage collection, unit: segment */ |
1283 | unsigned int migration_granularity; | |
b1c57c1c | 1284 | |
39a53e0c JK |
1285 | /* |
1286 | * for stat information. | |
1287 | * one is for the LFS mode, and the other is for the SSR mode. | |
1288 | */ | |
35b09d82 | 1289 | #ifdef CONFIG_F2FS_STAT_FS |
39a53e0c | 1290 | struct f2fs_stat_info *stat_info; /* FS status information */ |
b63e7be5 | 1291 | atomic_t meta_count[META_MAX]; /* # of meta blocks */ |
39a53e0c JK |
1292 | unsigned int segment_count[2]; /* # of allocated segments */ |
1293 | unsigned int block_count[2]; /* # of allocated blocks */ | |
b9a2c252 | 1294 | atomic_t inplace_count; /* # of inplace update */ |
5b7ee374 CY |
1295 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
1296 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ | |
1297 | atomic64_t read_hit_largest; /* # of hit largest extent node */ | |
1298 | atomic64_t read_hit_cached; /* # of hit cached extent node */ | |
d5e8f6c9 | 1299 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
03e14d52 CY |
1300 | atomic_t inline_inode; /* # of inline_data inodes */ |
1301 | atomic_t inline_dir; /* # of inline_dentry inodes */ | |
26a28a0c | 1302 | atomic_t aw_cnt; /* # of atomic writes */ |
648d50ba | 1303 | atomic_t vw_cnt; /* # of volatile writes */ |
26a28a0c | 1304 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
648d50ba | 1305 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
39a53e0c | 1306 | int bg_gc; /* background gc calls */ |
274bd9ba CY |
1307 | unsigned int io_skip_bggc; /* skip background gc for in-flight IO */ |
1308 | unsigned int other_skip_bggc; /* skip background gc for other reasons */ | |
33fbd510 | 1309 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
35b09d82 | 1310 | #endif |
39a53e0c | 1311 | spinlock_t stat_lock; /* lock for stat operations */ |
b59d0bae | 1312 | |
b0af6d49 CY |
1313 | /* For app/fs IO statistics */ |
1314 | spinlock_t iostat_lock; | |
1315 | unsigned long long write_iostat[NR_IO_TYPE]; | |
1316 | bool iostat_enable; | |
1317 | ||
b59d0bae NJ |
1318 | /* For sysfs suppport */ |
1319 | struct kobject s_kobj; | |
1320 | struct completion s_kobj_unregister; | |
2658e50d JK |
1321 | |
1322 | /* For shrinker support */ | |
1323 | struct list_head s_list; | |
3c62be17 JK |
1324 | int s_ndevs; /* number of devices */ |
1325 | struct f2fs_dev_info *devs; /* for device list */ | |
1228b482 CY |
1326 | unsigned int dirty_device; /* for checkpoint data flush */ |
1327 | spinlock_t dev_lock; /* protect dirty_device */ | |
2658e50d JK |
1328 | struct mutex umount_mutex; |
1329 | unsigned int shrinker_run_no; | |
8f1dbbbb SL |
1330 | |
1331 | /* For write statistics */ | |
1332 | u64 sectors_written_start; | |
1333 | u64 kbytes_written; | |
43b6573b KM |
1334 | |
1335 | /* Reference to checksum algorithm driver via cryptoapi */ | |
1336 | struct crypto_shash *s_chksum_driver; | |
1ecc0c5c | 1337 | |
704956ec CY |
1338 | /* Precomputed FS UUID checksum for seeding other checksums */ |
1339 | __u32 s_chksum_seed; | |
39a53e0c JK |
1340 | }; |
1341 | ||
02b16d0a CY |
1342 | struct f2fs_private_dio { |
1343 | struct inode *inode; | |
1344 | void *orig_private; | |
1345 | bio_end_io_t *orig_end_io; | |
1346 | bool write; | |
1347 | }; | |
1348 | ||
1ecc0c5c | 1349 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
22d7ea13 | 1350 | #define f2fs_show_injection_info(type) \ |
d75f773c | 1351 | printk_ratelimited("%sF2FS-fs : inject %s in %s of %pS\n", \ |
22d7ea13 | 1352 | KERN_INFO, f2fs_fault_name[type], \ |
55523519 | 1353 | __func__, __builtin_return_address(0)) |
1ecc0c5c CY |
1354 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
1355 | { | |
63189b78 | 1356 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
1ecc0c5c CY |
1357 | |
1358 | if (!ffi->inject_rate) | |
1359 | return false; | |
1360 | ||
1361 | if (!IS_FAULT_SET(ffi, type)) | |
1362 | return false; | |
1363 | ||
1364 | atomic_inc(&ffi->inject_ops); | |
1365 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { | |
1366 | atomic_set(&ffi->inject_ops, 0); | |
1ecc0c5c CY |
1367 | return true; |
1368 | } | |
1369 | return false; | |
1370 | } | |
7fa750a1 AB |
1371 | #else |
1372 | #define f2fs_show_injection_info(type) do { } while (0) | |
1373 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) | |
1374 | { | |
1375 | return false; | |
1376 | } | |
1ecc0c5c CY |
1377 | #endif |
1378 | ||
0916878d DLM |
1379 | /* |
1380 | * Test if the mounted volume is a multi-device volume. | |
1381 | * - For a single regular disk volume, sbi->s_ndevs is 0. | |
1382 | * - For a single zoned disk volume, sbi->s_ndevs is 1. | |
1383 | * - For a multi-device volume, sbi->s_ndevs is always 2 or more. | |
1384 | */ | |
1385 | static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi) | |
1386 | { | |
1387 | return sbi->s_ndevs > 1; | |
1388 | } | |
1389 | ||
8f1dbbbb SL |
1390 | /* For write statistics. Suppose sector size is 512 bytes, |
1391 | * and the return value is in kbytes. s is of struct f2fs_sb_info. | |
1392 | */ | |
1393 | #define BD_PART_WRITTEN(s) \ | |
dbae2c55 | 1394 | (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \ |
68afcf2d | 1395 | (s)->sectors_written_start) >> 1) |
8f1dbbbb | 1396 | |
6beceb54 JK |
1397 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
1398 | { | |
a7d10cf3 ST |
1399 | unsigned long now = jiffies; |
1400 | ||
1401 | sbi->last_time[type] = now; | |
1402 | ||
1403 | /* DISCARD_TIME and GC_TIME are based on REQ_TIME */ | |
1404 | if (type == REQ_TIME) { | |
1405 | sbi->last_time[DISCARD_TIME] = now; | |
1406 | sbi->last_time[GC_TIME] = now; | |
1407 | } | |
6beceb54 JK |
1408 | } |
1409 | ||
1410 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) | |
1411 | { | |
6bccfa19 | 1412 | unsigned long interval = sbi->interval_time[type] * HZ; |
6beceb54 JK |
1413 | |
1414 | return time_after(jiffies, sbi->last_time[type] + interval); | |
1415 | } | |
1416 | ||
a7d10cf3 ST |
1417 | static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi, |
1418 | int type) | |
1419 | { | |
1420 | unsigned long interval = sbi->interval_time[type] * HZ; | |
1421 | unsigned int wait_ms = 0; | |
1422 | long delta; | |
1423 | ||
1424 | delta = (sbi->last_time[type] + interval) - jiffies; | |
1425 | if (delta > 0) | |
1426 | wait_ms = jiffies_to_msecs(delta); | |
1427 | ||
1428 | return wait_ms; | |
1429 | } | |
1430 | ||
39a53e0c JK |
1431 | /* |
1432 | * Inline functions | |
1433 | */ | |
416d2dbb | 1434 | static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, |
704956ec CY |
1435 | const void *address, unsigned int length) |
1436 | { | |
1437 | struct { | |
1438 | struct shash_desc shash; | |
1439 | char ctx[4]; | |
1440 | } desc; | |
1441 | int err; | |
1442 | ||
1443 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); | |
1444 | ||
1445 | desc.shash.tfm = sbi->s_chksum_driver; | |
704956ec CY |
1446 | *(u32 *)desc.ctx = crc; |
1447 | ||
1448 | err = crypto_shash_update(&desc.shash, address, length); | |
1449 | BUG_ON(err); | |
1450 | ||
1451 | return *(u32 *)desc.ctx; | |
1452 | } | |
1453 | ||
416d2dbb CY |
1454 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
1455 | unsigned int length) | |
1456 | { | |
1457 | return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); | |
1458 | } | |
1459 | ||
1460 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, | |
1461 | void *buf, size_t buf_size) | |
1462 | { | |
1463 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; | |
1464 | } | |
1465 | ||
1466 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, | |
1467 | const void *address, unsigned int length) | |
1468 | { | |
1469 | return __f2fs_crc32(sbi, crc, address, length); | |
1470 | } | |
1471 | ||
39a53e0c JK |
1472 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
1473 | { | |
1474 | return container_of(inode, struct f2fs_inode_info, vfs_inode); | |
1475 | } | |
1476 | ||
1477 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) | |
1478 | { | |
1479 | return sb->s_fs_info; | |
1480 | } | |
1481 | ||
4081363f JK |
1482 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
1483 | { | |
1484 | return F2FS_SB(inode->i_sb); | |
1485 | } | |
1486 | ||
1487 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) | |
1488 | { | |
1489 | return F2FS_I_SB(mapping->host); | |
1490 | } | |
1491 | ||
1492 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) | |
1493 | { | |
1494 | return F2FS_M_SB(page->mapping); | |
1495 | } | |
1496 | ||
39a53e0c JK |
1497 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
1498 | { | |
1499 | return (struct f2fs_super_block *)(sbi->raw_super); | |
1500 | } | |
1501 | ||
1502 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) | |
1503 | { | |
1504 | return (struct f2fs_checkpoint *)(sbi->ckpt); | |
1505 | } | |
1506 | ||
45590710 GZ |
1507 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
1508 | { | |
1509 | return (struct f2fs_node *)page_address(page); | |
1510 | } | |
1511 | ||
58bfaf44 JK |
1512 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
1513 | { | |
1514 | return &((struct f2fs_node *)page_address(page))->i; | |
1515 | } | |
1516 | ||
39a53e0c JK |
1517 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
1518 | { | |
1519 | return (struct f2fs_nm_info *)(sbi->nm_info); | |
1520 | } | |
1521 | ||
1522 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) | |
1523 | { | |
1524 | return (struct f2fs_sm_info *)(sbi->sm_info); | |
1525 | } | |
1526 | ||
1527 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) | |
1528 | { | |
1529 | return (struct sit_info *)(SM_I(sbi)->sit_info); | |
1530 | } | |
1531 | ||
1532 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) | |
1533 | { | |
1534 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); | |
1535 | } | |
1536 | ||
1537 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) | |
1538 | { | |
1539 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); | |
1540 | } | |
1541 | ||
9df27d98 GZ |
1542 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
1543 | { | |
1544 | return sbi->meta_inode->i_mapping; | |
1545 | } | |
1546 | ||
4ef51a8f JK |
1547 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
1548 | { | |
1549 | return sbi->node_inode->i_mapping; | |
1550 | } | |
1551 | ||
caf0047e CY |
1552 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
1553 | { | |
fadb2fb8 | 1554 | return test_bit(type, &sbi->s_flag); |
caf0047e CY |
1555 | } |
1556 | ||
1557 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) | |
39a53e0c | 1558 | { |
fadb2fb8 | 1559 | set_bit(type, &sbi->s_flag); |
39a53e0c JK |
1560 | } |
1561 | ||
caf0047e | 1562 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
39a53e0c | 1563 | { |
fadb2fb8 | 1564 | clear_bit(type, &sbi->s_flag); |
39a53e0c JK |
1565 | } |
1566 | ||
d71b5564 JK |
1567 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
1568 | { | |
1569 | return le64_to_cpu(cp->checkpoint_ver); | |
1570 | } | |
1571 | ||
ea676733 JK |
1572 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
1573 | { | |
1574 | if (type < F2FS_MAX_QUOTAS) | |
1575 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); | |
1576 | return 0; | |
1577 | } | |
1578 | ||
ced2c7ea KM |
1579 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
1580 | { | |
1581 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); | |
1582 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); | |
1583 | } | |
1584 | ||
aaec2b1d | 1585 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
25ca923b JK |
1586 | { |
1587 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
aaec2b1d | 1588 | |
25ca923b JK |
1589 | return ckpt_flags & f; |
1590 | } | |
1591 | ||
aaec2b1d | 1592 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1593 | { |
aaec2b1d CY |
1594 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
1595 | } | |
1596 | ||
1597 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1598 | { | |
1599 | unsigned int ckpt_flags; | |
1600 | ||
1601 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1602 | ckpt_flags |= f; |
1603 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1604 | } | |
1605 | ||
aaec2b1d | 1606 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
25ca923b | 1607 | { |
d1aa2453 CY |
1608 | unsigned long flags; |
1609 | ||
1610 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1611 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1612 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1613 | } |
1614 | ||
1615 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) | |
1616 | { | |
1617 | unsigned int ckpt_flags; | |
1618 | ||
1619 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); | |
25ca923b JK |
1620 | ckpt_flags &= (~f); |
1621 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); | |
1622 | } | |
1623 | ||
aaec2b1d CY |
1624 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
1625 | { | |
d1aa2453 CY |
1626 | unsigned long flags; |
1627 | ||
1628 | spin_lock_irqsave(&sbi->cp_lock, flags); | |
aaec2b1d | 1629 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
d1aa2453 | 1630 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
aaec2b1d CY |
1631 | } |
1632 | ||
22ad0b6a JK |
1633 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) |
1634 | { | |
d1aa2453 CY |
1635 | unsigned long flags; |
1636 | ||
a742fd41 JK |
1637 | /* |
1638 | * In order to re-enable nat_bits we need to call fsck.f2fs by | |
1639 | * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost, | |
1640 | * so let's rely on regular fsck or unclean shutdown. | |
1641 | */ | |
22ad0b6a JK |
1642 | |
1643 | if (lock) | |
d1aa2453 | 1644 | spin_lock_irqsave(&sbi->cp_lock, flags); |
22ad0b6a | 1645 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); |
5222595d | 1646 | kvfree(NM_I(sbi)->nat_bits); |
22ad0b6a JK |
1647 | NM_I(sbi)->nat_bits = NULL; |
1648 | if (lock) | |
d1aa2453 | 1649 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
22ad0b6a JK |
1650 | } |
1651 | ||
1652 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, | |
1653 | struct cp_control *cpc) | |
1654 | { | |
1655 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); | |
1656 | ||
c473f1a9 | 1657 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; |
22ad0b6a JK |
1658 | } |
1659 | ||
e479556b | 1660 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
39936837 | 1661 | { |
b873b798 | 1662 | down_read(&sbi->cp_rwsem); |
39936837 JK |
1663 | } |
1664 | ||
cc15620b JK |
1665 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
1666 | { | |
1667 | return down_read_trylock(&sbi->cp_rwsem); | |
1668 | } | |
1669 | ||
e479556b | 1670 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
39a53e0c | 1671 | { |
b873b798 | 1672 | up_read(&sbi->cp_rwsem); |
39a53e0c JK |
1673 | } |
1674 | ||
e479556b | 1675 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
39a53e0c | 1676 | { |
b873b798 | 1677 | down_write(&sbi->cp_rwsem); |
39936837 JK |
1678 | } |
1679 | ||
e479556b | 1680 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
39936837 | 1681 | { |
b873b798 | 1682 | up_write(&sbi->cp_rwsem); |
39a53e0c JK |
1683 | } |
1684 | ||
119ee914 JK |
1685 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
1686 | { | |
1687 | int reason = CP_SYNC; | |
1688 | ||
1689 | if (test_opt(sbi, FASTBOOT)) | |
1690 | reason = CP_FASTBOOT; | |
1691 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) | |
1692 | reason = CP_UMOUNT; | |
1693 | return reason; | |
1694 | } | |
1695 | ||
1696 | static inline bool __remain_node_summaries(int reason) | |
1697 | { | |
c473f1a9 | 1698 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
119ee914 JK |
1699 | } |
1700 | ||
1701 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) | |
1702 | { | |
aaec2b1d CY |
1703 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
1704 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); | |
119ee914 JK |
1705 | } |
1706 | ||
39a53e0c JK |
1707 | /* |
1708 | * Check whether the inode has blocks or not | |
1709 | */ | |
1710 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) | |
1711 | { | |
0eb0adad CY |
1712 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
1713 | ||
000519f2 | 1714 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
39a53e0c JK |
1715 | } |
1716 | ||
4bc8e9bc CY |
1717 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
1718 | { | |
1719 | return ofs == XATTR_NODE_OFFSET; | |
1720 | } | |
1721 | ||
d8a9a229 | 1722 | static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, |
a90a0884 | 1723 | struct inode *inode, bool cap) |
7c2e5963 | 1724 | { |
d8a9a229 JK |
1725 | if (!inode) |
1726 | return true; | |
7c2e5963 JK |
1727 | if (!test_opt(sbi, RESERVE_ROOT)) |
1728 | return false; | |
d8a9a229 JK |
1729 | if (IS_NOQUOTA(inode)) |
1730 | return true; | |
63189b78 | 1731 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) |
7c2e5963 | 1732 | return true; |
63189b78 CY |
1733 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && |
1734 | in_group_p(F2FS_OPTION(sbi).s_resgid)) | |
7c2e5963 | 1735 | return true; |
a90a0884 | 1736 | if (cap && capable(CAP_SYS_RESOURCE)) |
162b27ae | 1737 | return true; |
7c2e5963 JK |
1738 | return false; |
1739 | } | |
1740 | ||
0abd675e CY |
1741 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
1742 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, | |
46008c6d | 1743 | struct inode *inode, blkcnt_t *count) |
39a53e0c | 1744 | { |
0abd675e | 1745 | blkcnt_t diff = 0, release = 0; |
daeb433e | 1746 | block_t avail_user_block_count; |
0abd675e CY |
1747 | int ret; |
1748 | ||
1749 | ret = dquot_reserve_block(inode, *count); | |
1750 | if (ret) | |
1751 | return ret; | |
39a53e0c | 1752 | |
55523519 CY |
1753 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
1754 | f2fs_show_injection_info(FAULT_BLOCK); | |
0abd675e CY |
1755 | release = *count; |
1756 | goto enospc; | |
55523519 | 1757 | } |
7fa750a1 | 1758 | |
dd11a5df JK |
1759 | /* |
1760 | * let's increase this in prior to actual block count change in order | |
1761 | * for f2fs_sync_file to avoid data races when deciding checkpoint. | |
1762 | */ | |
1763 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); | |
1764 | ||
2555a2d5 JK |
1765 | spin_lock(&sbi->stat_lock); |
1766 | sbi->total_valid_block_count += (block_t)(*count); | |
80d42145 YS |
1767 | avail_user_block_count = sbi->user_block_count - |
1768 | sbi->current_reserved_blocks; | |
7e65be49 | 1769 | |
a90a0884 | 1770 | if (!__allow_reserved_blocks(sbi, inode, true)) |
63189b78 | 1771 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; |
a4c3ecaa DR |
1772 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { |
1773 | if (avail_user_block_count > sbi->unusable_block_count) | |
1774 | avail_user_block_count -= sbi->unusable_block_count; | |
1775 | else | |
1776 | avail_user_block_count = 0; | |
1777 | } | |
daeb433e CY |
1778 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
1779 | diff = sbi->total_valid_block_count - avail_user_block_count; | |
7e65be49 JK |
1780 | if (diff > *count) |
1781 | diff = *count; | |
dd11a5df | 1782 | *count -= diff; |
0abd675e | 1783 | release = diff; |
7e65be49 | 1784 | sbi->total_valid_block_count -= diff; |
46008c6d CY |
1785 | if (!*count) { |
1786 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 1787 | goto enospc; |
46008c6d | 1788 | } |
39a53e0c | 1789 | } |
39a53e0c | 1790 | spin_unlock(&sbi->stat_lock); |
41382ec4 | 1791 | |
36b877af DR |
1792 | if (unlikely(release)) { |
1793 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); | |
0abd675e | 1794 | dquot_release_reservation_block(inode, release); |
36b877af | 1795 | } |
0abd675e CY |
1796 | f2fs_i_blocks_write(inode, *count, true, true); |
1797 | return 0; | |
1798 | ||
1799 | enospc: | |
36b877af | 1800 | percpu_counter_sub(&sbi->alloc_valid_block_count, release); |
0abd675e CY |
1801 | dquot_release_reservation_block(inode, release); |
1802 | return -ENOSPC; | |
39a53e0c JK |
1803 | } |
1804 | ||
5e159cd3 | 1805 | void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); |
da19b0dc | 1806 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
39a53e0c | 1807 | struct inode *inode, |
0eb0adad | 1808 | block_t count) |
39a53e0c | 1809 | { |
0eb0adad CY |
1810 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
1811 | ||
39a53e0c | 1812 | spin_lock(&sbi->stat_lock); |
9850cf4a | 1813 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
39a53e0c | 1814 | sbi->total_valid_block_count -= (block_t)count; |
80d42145 YS |
1815 | if (sbi->reserved_blocks && |
1816 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
1817 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, | |
1818 | sbi->current_reserved_blocks + count); | |
39a53e0c | 1819 | spin_unlock(&sbi->stat_lock); |
5e159cd3 CY |
1820 | if (unlikely(inode->i_blocks < sectors)) { |
1821 | f2fs_msg(sbi->sb, KERN_WARNING, | |
1822 | "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu", | |
1823 | inode->i_ino, | |
1824 | (unsigned long long)inode->i_blocks, | |
1825 | (unsigned long long)sectors); | |
1826 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
1827 | return; | |
1828 | } | |
0abd675e | 1829 | f2fs_i_blocks_write(inode, count, false, true); |
39a53e0c JK |
1830 | } |
1831 | ||
1832 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1833 | { | |
35782b23 | 1834 | atomic_inc(&sbi->nr_pages[count_type]); |
7c4abcbe | 1835 | |
20109873 CY |
1836 | if (count_type == F2FS_DIRTY_DENTS || |
1837 | count_type == F2FS_DIRTY_NODES || | |
1838 | count_type == F2FS_DIRTY_META || | |
1839 | count_type == F2FS_DIRTY_QDATA || | |
1840 | count_type == F2FS_DIRTY_IMETA) | |
1841 | set_sbi_flag(sbi, SBI_IS_DIRTY); | |
39a53e0c JK |
1842 | } |
1843 | ||
a7ffdbe2 | 1844 | static inline void inode_inc_dirty_pages(struct inode *inode) |
39a53e0c | 1845 | { |
204706c7 | 1846 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
1847 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1848 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
1849 | if (IS_NOQUOTA(inode)) |
1850 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
1851 | } |
1852 | ||
1853 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) | |
1854 | { | |
35782b23 | 1855 | atomic_dec(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1856 | } |
1857 | ||
a7ffdbe2 | 1858 | static inline void inode_dec_dirty_pages(struct inode *inode) |
39a53e0c | 1859 | { |
5ac9f36f CY |
1860 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
1861 | !S_ISLNK(inode->i_mode)) | |
1fe54f9d JK |
1862 | return; |
1863 | ||
204706c7 | 1864 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
c227f912 CY |
1865 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
1866 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); | |
2c8a4a28 JK |
1867 | if (IS_NOQUOTA(inode)) |
1868 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); | |
39a53e0c JK |
1869 | } |
1870 | ||
523be8a6 | 1871 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
39a53e0c | 1872 | { |
35782b23 | 1873 | return atomic_read(&sbi->nr_pages[count_type]); |
39a53e0c JK |
1874 | } |
1875 | ||
204706c7 | 1876 | static inline int get_dirty_pages(struct inode *inode) |
f8b2c1f9 | 1877 | { |
204706c7 | 1878 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
f8b2c1f9 JK |
1879 | } |
1880 | ||
5ac206cf NJ |
1881 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
1882 | { | |
3519e3f9 | 1883 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
523be8a6 JK |
1884 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
1885 | sbi->log_blocks_per_seg; | |
1886 | ||
1887 | return segs / sbi->segs_per_sec; | |
5ac206cf NJ |
1888 | } |
1889 | ||
39a53e0c JK |
1890 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
1891 | { | |
8b8343fa | 1892 | return sbi->total_valid_block_count; |
39a53e0c JK |
1893 | } |
1894 | ||
f83a2584 YH |
1895 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
1896 | { | |
1897 | return sbi->discard_blks; | |
1898 | } | |
1899 | ||
39a53e0c JK |
1900 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
1901 | { | |
1902 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1903 | ||
1904 | /* return NAT or SIT bitmap */ | |
1905 | if (flag == NAT_BITMAP) | |
1906 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); | |
1907 | else if (flag == SIT_BITMAP) | |
1908 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); | |
1909 | ||
1910 | return 0; | |
1911 | } | |
1912 | ||
55141486 WL |
1913 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
1914 | { | |
1915 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); | |
1916 | } | |
1917 | ||
39a53e0c JK |
1918 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
1919 | { | |
1920 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); | |
1dbe4152 CL |
1921 | int offset; |
1922 | ||
199bc3fe CY |
1923 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { |
1924 | offset = (flag == SIT_BITMAP) ? | |
1925 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; | |
b471eb99 CY |
1926 | /* |
1927 | * if large_nat_bitmap feature is enabled, leave checksum | |
1928 | * protection for all nat/sit bitmaps. | |
1929 | */ | |
1930 | return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32); | |
199bc3fe CY |
1931 | } |
1932 | ||
55141486 | 1933 | if (__cp_payload(sbi) > 0) { |
1dbe4152 CL |
1934 | if (flag == NAT_BITMAP) |
1935 | return &ckpt->sit_nat_version_bitmap; | |
1936 | else | |
65b85ccc | 1937 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
1dbe4152 CL |
1938 | } else { |
1939 | offset = (flag == NAT_BITMAP) ? | |
25ca923b | 1940 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
1dbe4152 CL |
1941 | return &ckpt->sit_nat_version_bitmap + offset; |
1942 | } | |
39a53e0c JK |
1943 | } |
1944 | ||
1945 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) | |
1946 | { | |
8508e44a | 1947 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
39a53e0c | 1948 | |
8508e44a | 1949 | if (sbi->cur_cp_pack == 2) |
39a53e0c | 1950 | start_addr += sbi->blocks_per_seg; |
8508e44a JK |
1951 | return start_addr; |
1952 | } | |
39a53e0c | 1953 | |
8508e44a JK |
1954 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
1955 | { | |
1956 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); | |
39a53e0c | 1957 | |
8508e44a JK |
1958 | if (sbi->cur_cp_pack == 1) |
1959 | start_addr += sbi->blocks_per_seg; | |
39a53e0c JK |
1960 | return start_addr; |
1961 | } | |
1962 | ||
8508e44a JK |
1963 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
1964 | { | |
1965 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; | |
1966 | } | |
1967 | ||
39a53e0c JK |
1968 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
1969 | { | |
1970 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); | |
1971 | } | |
1972 | ||
0abd675e | 1973 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
000519f2 | 1974 | struct inode *inode, bool is_inode) |
39a53e0c JK |
1975 | { |
1976 | block_t valid_block_count; | |
a4c3ecaa | 1977 | unsigned int valid_node_count, user_block_count; |
af033b2a | 1978 | int err; |
0abd675e | 1979 | |
af033b2a CY |
1980 | if (is_inode) { |
1981 | if (inode) { | |
1982 | err = dquot_alloc_inode(inode); | |
1983 | if (err) | |
1984 | return err; | |
1985 | } | |
1986 | } else { | |
1987 | err = dquot_reserve_block(inode, 1); | |
1988 | if (err) | |
1989 | return err; | |
0abd675e | 1990 | } |
39a53e0c | 1991 | |
812c6056 CY |
1992 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
1993 | f2fs_show_injection_info(FAULT_BLOCK); | |
1994 | goto enospc; | |
1995 | } | |
812c6056 | 1996 | |
39a53e0c JK |
1997 | spin_lock(&sbi->stat_lock); |
1998 | ||
7e65be49 JK |
1999 | valid_block_count = sbi->total_valid_block_count + |
2000 | sbi->current_reserved_blocks + 1; | |
2001 | ||
a90a0884 | 2002 | if (!__allow_reserved_blocks(sbi, inode, false)) |
63189b78 | 2003 | valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; |
a4c3ecaa | 2004 | user_block_count = sbi->user_block_count; |
4354994f | 2005 | if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) |
a4c3ecaa | 2006 | user_block_count -= sbi->unusable_block_count; |
7e65be49 | 2007 | |
a4c3ecaa | 2008 | if (unlikely(valid_block_count > user_block_count)) { |
39a53e0c | 2009 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2010 | goto enospc; |
39a53e0c JK |
2011 | } |
2012 | ||
ef86d709 | 2013 | valid_node_count = sbi->total_valid_node_count + 1; |
cfb271d4 | 2014 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
39a53e0c | 2015 | spin_unlock(&sbi->stat_lock); |
0abd675e | 2016 | goto enospc; |
39a53e0c JK |
2017 | } |
2018 | ||
ef86d709 GZ |
2019 | sbi->total_valid_node_count++; |
2020 | sbi->total_valid_block_count++; | |
39a53e0c JK |
2021 | spin_unlock(&sbi->stat_lock); |
2022 | ||
000519f2 CY |
2023 | if (inode) { |
2024 | if (is_inode) | |
2025 | f2fs_mark_inode_dirty_sync(inode, true); | |
2026 | else | |
0abd675e | 2027 | f2fs_i_blocks_write(inode, 1, true, true); |
000519f2 | 2028 | } |
ef86d709 | 2029 | |
41382ec4 | 2030 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
0abd675e CY |
2031 | return 0; |
2032 | ||
2033 | enospc: | |
af033b2a CY |
2034 | if (is_inode) { |
2035 | if (inode) | |
2036 | dquot_free_inode(inode); | |
2037 | } else { | |
0abd675e | 2038 | dquot_release_reservation_block(inode, 1); |
af033b2a | 2039 | } |
0abd675e | 2040 | return -ENOSPC; |
39a53e0c JK |
2041 | } |
2042 | ||
2043 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, | |
000519f2 | 2044 | struct inode *inode, bool is_inode) |
39a53e0c JK |
2045 | { |
2046 | spin_lock(&sbi->stat_lock); | |
2047 | ||
9850cf4a JK |
2048 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
2049 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); | |
39a53e0c | 2050 | |
ef86d709 GZ |
2051 | sbi->total_valid_node_count--; |
2052 | sbi->total_valid_block_count--; | |
80d42145 YS |
2053 | if (sbi->reserved_blocks && |
2054 | sbi->current_reserved_blocks < sbi->reserved_blocks) | |
2055 | sbi->current_reserved_blocks++; | |
39a53e0c JK |
2056 | |
2057 | spin_unlock(&sbi->stat_lock); | |
0abd675e | 2058 | |
ea6d7e72 | 2059 | if (is_inode) { |
af033b2a | 2060 | dquot_free_inode(inode); |
ea6d7e72 CY |
2061 | } else { |
2062 | if (unlikely(inode->i_blocks == 0)) { | |
2063 | f2fs_msg(sbi->sb, KERN_WARNING, | |
2064 | "Inconsistent i_blocks, ino:%lu, iblocks:%llu", | |
2065 | inode->i_ino, | |
2066 | (unsigned long long)inode->i_blocks); | |
2067 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
2068 | return; | |
2069 | } | |
0abd675e | 2070 | f2fs_i_blocks_write(inode, 1, false, true); |
ea6d7e72 | 2071 | } |
39a53e0c JK |
2072 | } |
2073 | ||
2074 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) | |
2075 | { | |
8b8343fa | 2076 | return sbi->total_valid_node_count; |
39a53e0c JK |
2077 | } |
2078 | ||
2079 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) | |
2080 | { | |
513c5f37 | 2081 | percpu_counter_inc(&sbi->total_valid_inode_count); |
39a53e0c JK |
2082 | } |
2083 | ||
0e80220a | 2084 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2085 | { |
513c5f37 | 2086 | percpu_counter_dec(&sbi->total_valid_inode_count); |
39a53e0c JK |
2087 | } |
2088 | ||
513c5f37 | 2089 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
39a53e0c | 2090 | { |
513c5f37 | 2091 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
39a53e0c JK |
2092 | } |
2093 | ||
a56c7c6f JK |
2094 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
2095 | pgoff_t index, bool for_write) | |
2096 | { | |
82cf4f13 | 2097 | struct page *page; |
cac5a3d8 | 2098 | |
7fa750a1 AB |
2099 | if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) { |
2100 | if (!for_write) | |
2101 | page = find_get_page_flags(mapping, index, | |
2102 | FGP_LOCK | FGP_ACCESSED); | |
2103 | else | |
2104 | page = find_lock_page(mapping, index); | |
2105 | if (page) | |
2106 | return page; | |
c41f3cc3 | 2107 | |
7fa750a1 AB |
2108 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
2109 | f2fs_show_injection_info(FAULT_PAGE_ALLOC); | |
2110 | return NULL; | |
2111 | } | |
55523519 | 2112 | } |
7fa750a1 | 2113 | |
a56c7c6f JK |
2114 | if (!for_write) |
2115 | return grab_cache_page(mapping, index); | |
2116 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); | |
2117 | } | |
2118 | ||
01eccef7 CY |
2119 | static inline struct page *f2fs_pagecache_get_page( |
2120 | struct address_space *mapping, pgoff_t index, | |
2121 | int fgp_flags, gfp_t gfp_mask) | |
2122 | { | |
01eccef7 CY |
2123 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { |
2124 | f2fs_show_injection_info(FAULT_PAGE_GET); | |
2125 | return NULL; | |
2126 | } | |
7fa750a1 | 2127 | |
01eccef7 CY |
2128 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); |
2129 | } | |
2130 | ||
6e2c64ad JK |
2131 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
2132 | { | |
2133 | char *src_kaddr = kmap(src); | |
2134 | char *dst_kaddr = kmap(dst); | |
2135 | ||
2136 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); | |
2137 | kunmap(dst); | |
2138 | kunmap(src); | |
2139 | } | |
2140 | ||
39a53e0c JK |
2141 | static inline void f2fs_put_page(struct page *page, int unlock) |
2142 | { | |
031fa8cc | 2143 | if (!page) |
39a53e0c JK |
2144 | return; |
2145 | ||
2146 | if (unlock) { | |
9850cf4a | 2147 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
39a53e0c JK |
2148 | unlock_page(page); |
2149 | } | |
09cbfeaf | 2150 | put_page(page); |
39a53e0c JK |
2151 | } |
2152 | ||
2153 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) | |
2154 | { | |
2155 | if (dn->node_page) | |
2156 | f2fs_put_page(dn->node_page, 1); | |
2157 | if (dn->inode_page && dn->node_page != dn->inode_page) | |
2158 | f2fs_put_page(dn->inode_page, 0); | |
2159 | dn->node_page = NULL; | |
2160 | dn->inode_page = NULL; | |
2161 | } | |
2162 | ||
2163 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, | |
e8512d2e | 2164 | size_t size) |
39a53e0c | 2165 | { |
e8512d2e | 2166 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
39a53e0c JK |
2167 | } |
2168 | ||
7bd59381 GZ |
2169 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
2170 | gfp_t flags) | |
2171 | { | |
2172 | void *entry; | |
7bd59381 | 2173 | |
80c54505 JK |
2174 | entry = kmem_cache_alloc(cachep, flags); |
2175 | if (!entry) | |
2176 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); | |
7bd59381 GZ |
2177 | return entry; |
2178 | } | |
2179 | ||
d62fe971 CY |
2180 | static inline struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, |
2181 | int npages, bool no_fail) | |
740432f8 JK |
2182 | { |
2183 | struct bio *bio; | |
2184 | ||
d62fe971 CY |
2185 | if (no_fail) { |
2186 | /* No failure on bio allocation */ | |
2187 | bio = bio_alloc(GFP_NOIO, npages); | |
2188 | if (!bio) | |
2189 | bio = bio_alloc(GFP_NOIO | __GFP_NOFAIL, npages); | |
2190 | return bio; | |
2191 | } | |
d62fe971 CY |
2192 | if (time_to_inject(sbi, FAULT_ALLOC_BIO)) { |
2193 | f2fs_show_injection_info(FAULT_ALLOC_BIO); | |
2194 | return NULL; | |
2195 | } | |
7fa750a1 | 2196 | |
d62fe971 | 2197 | return bio_alloc(GFP_KERNEL, npages); |
740432f8 JK |
2198 | } |
2199 | ||
5f9abab4 JK |
2200 | static inline bool is_idle(struct f2fs_sb_info *sbi, int type) |
2201 | { | |
f7dfd9f3 PJH |
2202 | if (sbi->gc_mode == GC_URGENT) |
2203 | return true; | |
2204 | ||
5f9abab4 JK |
2205 | if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) || |
2206 | get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) || | |
fef4129e CY |
2207 | get_pages(sbi, F2FS_WB_CP_DATA) || |
2208 | get_pages(sbi, F2FS_DIO_READ) || | |
11ac8ef8 | 2209 | get_pages(sbi, F2FS_DIO_WRITE)) |
5f9abab4 | 2210 | return false; |
11ac8ef8 JK |
2211 | |
2212 | if (SM_I(sbi) && SM_I(sbi)->dcc_info && | |
2213 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard)) | |
2214 | return false; | |
2215 | ||
2216 | if (SM_I(sbi) && SM_I(sbi)->fcc_info && | |
2217 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush)) | |
2218 | return false; | |
2219 | ||
5f9abab4 JK |
2220 | return f2fs_time_over(sbi, type); |
2221 | } | |
2222 | ||
9be32d72 JK |
2223 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
2224 | unsigned long index, void *item) | |
2225 | { | |
2226 | while (radix_tree_insert(root, index, item)) | |
2227 | cond_resched(); | |
2228 | } | |
2229 | ||
39a53e0c JK |
2230 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
2231 | ||
2232 | static inline bool IS_INODE(struct page *page) | |
2233 | { | |
45590710 | 2234 | struct f2fs_node *p = F2FS_NODE(page); |
cac5a3d8 | 2235 | |
39a53e0c JK |
2236 | return RAW_IS_INODE(p); |
2237 | } | |
2238 | ||
7a2af766 CY |
2239 | static inline int offset_in_addr(struct f2fs_inode *i) |
2240 | { | |
2241 | return (i->i_inline & F2FS_EXTRA_ATTR) ? | |
2242 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; | |
2243 | } | |
2244 | ||
39a53e0c JK |
2245 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
2246 | { | |
2247 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; | |
2248 | } | |
2249 | ||
7a2af766 CY |
2250 | static inline int f2fs_has_extra_attr(struct inode *inode); |
2251 | static inline block_t datablock_addr(struct inode *inode, | |
2252 | struct page *node_page, unsigned int offset) | |
39a53e0c JK |
2253 | { |
2254 | struct f2fs_node *raw_node; | |
2255 | __le32 *addr_array; | |
7a2af766 CY |
2256 | int base = 0; |
2257 | bool is_inode = IS_INODE(node_page); | |
cac5a3d8 | 2258 | |
45590710 | 2259 | raw_node = F2FS_NODE(node_page); |
7a2af766 CY |
2260 | |
2261 | /* from GC path only */ | |
979f492f L |
2262 | if (is_inode) { |
2263 | if (!inode) | |
7a2af766 | 2264 | base = offset_in_addr(&raw_node->i); |
979f492f L |
2265 | else if (f2fs_has_extra_attr(inode)) |
2266 | base = get_extra_isize(inode); | |
7a2af766 CY |
2267 | } |
2268 | ||
39a53e0c | 2269 | addr_array = blkaddr_in_node(raw_node); |
7a2af766 | 2270 | return le32_to_cpu(addr_array[base + offset]); |
39a53e0c JK |
2271 | } |
2272 | ||
2273 | static inline int f2fs_test_bit(unsigned int nr, char *addr) | |
2274 | { | |
2275 | int mask; | |
2276 | ||
2277 | addr += (nr >> 3); | |
2278 | mask = 1 << (7 - (nr & 0x07)); | |
2279 | return mask & *addr; | |
2280 | } | |
2281 | ||
a66cdd98 JK |
2282 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
2283 | { | |
2284 | int mask; | |
2285 | ||
2286 | addr += (nr >> 3); | |
2287 | mask = 1 << (7 - (nr & 0x07)); | |
2288 | *addr |= mask; | |
2289 | } | |
2290 | ||
2291 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) | |
2292 | { | |
2293 | int mask; | |
2294 | ||
2295 | addr += (nr >> 3); | |
2296 | mask = 1 << (7 - (nr & 0x07)); | |
2297 | *addr &= ~mask; | |
2298 | } | |
2299 | ||
52aca074 | 2300 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2301 | { |
2302 | int mask; | |
2303 | int ret; | |
2304 | ||
2305 | addr += (nr >> 3); | |
2306 | mask = 1 << (7 - (nr & 0x07)); | |
2307 | ret = mask & *addr; | |
2308 | *addr |= mask; | |
2309 | return ret; | |
2310 | } | |
2311 | ||
52aca074 | 2312 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
39a53e0c JK |
2313 | { |
2314 | int mask; | |
2315 | int ret; | |
2316 | ||
2317 | addr += (nr >> 3); | |
2318 | mask = 1 << (7 - (nr & 0x07)); | |
2319 | ret = mask & *addr; | |
2320 | *addr &= ~mask; | |
2321 | return ret; | |
2322 | } | |
2323 | ||
c6ac4c0e GZ |
2324 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
2325 | { | |
2326 | int mask; | |
2327 | ||
2328 | addr += (nr >> 3); | |
2329 | mask = 1 << (7 - (nr & 0x07)); | |
2330 | *addr ^= mask; | |
2331 | } | |
2332 | ||
59c84408 CY |
2333 | /* |
2334 | * Inode flags | |
2335 | */ | |
2336 | #define F2FS_SECRM_FL 0x00000001 /* Secure deletion */ | |
2337 | #define F2FS_UNRM_FL 0x00000002 /* Undelete */ | |
2338 | #define F2FS_COMPR_FL 0x00000004 /* Compress file */ | |
2339 | #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */ | |
2340 | #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ | |
2341 | #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */ | |
2342 | #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */ | |
2343 | #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */ | |
2344 | /* Reserved for compression usage... */ | |
2345 | #define F2FS_DIRTY_FL 0x00000100 | |
2346 | #define F2FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */ | |
2347 | #define F2FS_NOCOMPR_FL 0x00000400 /* Don't compress */ | |
2348 | #define F2FS_ENCRYPT_FL 0x00000800 /* encrypted file */ | |
2349 | /* End compression flags --- maybe not all used */ | |
2350 | #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */ | |
2351 | #define F2FS_IMAGIC_FL 0x00002000 /* AFS directory */ | |
2352 | #define F2FS_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */ | |
2353 | #define F2FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */ | |
2354 | #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ | |
2355 | #define F2FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ | |
2356 | #define F2FS_HUGE_FILE_FL 0x00040000 /* Set to each huge file */ | |
2357 | #define F2FS_EXTENTS_FL 0x00080000 /* Inode uses extents */ | |
2358 | #define F2FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */ | |
2359 | #define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */ | |
5d539245 | 2360 | #define F2FS_NOCOW_FL 0x00800000 /* Do not cow file */ |
59c84408 CY |
2361 | #define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */ |
2362 | #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ | |
2363 | #define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */ | |
2364 | ||
5d539245 | 2365 | #define F2FS_FL_USER_VISIBLE 0x30CBDFFF /* User visible flags */ |
59c84408 CY |
2366 | #define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable flags */ |
2367 | ||
2368 | /* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */ | |
2369 | #define F2FS_FL_XFLAG_VISIBLE (F2FS_SYNC_FL | \ | |
2370 | F2FS_IMMUTABLE_FL | \ | |
2371 | F2FS_APPEND_FL | \ | |
2372 | F2FS_NODUMP_FL | \ | |
2373 | F2FS_NOATIME_FL | \ | |
2374 | F2FS_PROJINHERIT_FL) | |
2375 | ||
2376 | /* Flags that should be inherited by new inodes from their parent. */ | |
2377 | #define F2FS_FL_INHERITED (F2FS_SECRM_FL | F2FS_UNRM_FL | F2FS_COMPR_FL |\ | |
2378 | F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL |\ | |
2379 | F2FS_NOCOMPR_FL | F2FS_JOURNAL_DATA_FL |\ | |
2380 | F2FS_NOTAIL_FL | F2FS_DIRSYNC_FL |\ | |
2381 | F2FS_PROJINHERIT_FL) | |
2382 | ||
2383 | /* Flags that are appropriate for regular files (all but dir-specific ones). */ | |
2384 | #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_TOPDIR_FL)) | |
2385 | ||
2386 | /* Flags that are appropriate for non-directories/regular files. */ | |
2387 | #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL) | |
5c57132e CY |
2388 | |
2389 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) | |
2390 | { | |
2391 | if (S_ISDIR(mode)) | |
2392 | return flags; | |
2393 | else if (S_ISREG(mode)) | |
2394 | return flags & F2FS_REG_FLMASK; | |
2395 | else | |
2396 | return flags & F2FS_OTHER_FLMASK; | |
2397 | } | |
2398 | ||
39a53e0c JK |
2399 | /* used for f2fs_inode_info->flags */ |
2400 | enum { | |
2401 | FI_NEW_INODE, /* indicate newly allocated inode */ | |
b3783873 | 2402 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ |
26de9b11 | 2403 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ |
ed57c27f | 2404 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ |
39a53e0c JK |
2405 | FI_INC_LINK, /* need to increment i_nlink */ |
2406 | FI_ACL_MODE, /* indicate acl mode */ | |
2407 | FI_NO_ALLOC, /* should not allocate any blocks */ | |
c9b63bd0 | 2408 | FI_FREE_NID, /* free allocated nide */ |
c11abd1a | 2409 | FI_NO_EXTENT, /* not to use the extent cache */ |
444c580f | 2410 | FI_INLINE_XATTR, /* used for inline xattr */ |
1001b347 | 2411 | FI_INLINE_DATA, /* used for inline data*/ |
34d67deb | 2412 | FI_INLINE_DENTRY, /* used for inline dentry */ |
fff04f90 JK |
2413 | FI_APPEND_WRITE, /* inode has appended data */ |
2414 | FI_UPDATE_WRITE, /* inode has in-place-update data */ | |
88b88a66 JK |
2415 | FI_NEED_IPU, /* used for ipu per file */ |
2416 | FI_ATOMIC_FILE, /* indicate atomic file */ | |
5fe45743 | 2417 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ |
02a1335f | 2418 | FI_VOLATILE_FILE, /* indicate volatile file */ |
3c6c2beb | 2419 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
1e84371f | 2420 | FI_DROP_CACHE, /* drop dirty page cache */ |
b3d208f9 | 2421 | FI_DATA_EXIST, /* indicate data exists */ |
510022a8 | 2422 | FI_INLINE_DOTS, /* indicate inline dot dentries */ |
d323d005 | 2423 | FI_DO_DEFRAG, /* indicate defragment is running */ |
c227f912 | 2424 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ |
dc91de78 | 2425 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ |
ef095d19 | 2426 | FI_HOT_DATA, /* indicate file is hot */ |
7a2af766 | 2427 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ |
5c57132e | 2428 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ |
1ad71a27 | 2429 | FI_PIN_FILE, /* indicate file should not be gced */ |
2ef79ecb | 2430 | FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */ |
39a53e0c JK |
2431 | }; |
2432 | ||
205b9822 JK |
2433 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
2434 | int flag, bool set) | |
2435 | { | |
2436 | switch (flag) { | |
2437 | case FI_INLINE_XATTR: | |
2438 | case FI_INLINE_DATA: | |
2439 | case FI_INLINE_DENTRY: | |
9ac1e2d8 | 2440 | case FI_NEW_INODE: |
205b9822 JK |
2441 | if (set) |
2442 | return; | |
f5d5510e | 2443 | /* fall through */ |
205b9822 JK |
2444 | case FI_DATA_EXIST: |
2445 | case FI_INLINE_DOTS: | |
1ad71a27 | 2446 | case FI_PIN_FILE: |
7c45729a | 2447 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2448 | } |
2449 | } | |
2450 | ||
91942321 | 2451 | static inline void set_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2452 | { |
91942321 JK |
2453 | if (!test_bit(flag, &F2FS_I(inode)->flags)) |
2454 | set_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2455 | __mark_inode_dirty_flag(inode, flag, true); |
39a53e0c JK |
2456 | } |
2457 | ||
91942321 | 2458 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
39a53e0c | 2459 | { |
91942321 | 2460 | return test_bit(flag, &F2FS_I(inode)->flags); |
39a53e0c JK |
2461 | } |
2462 | ||
91942321 | 2463 | static inline void clear_inode_flag(struct inode *inode, int flag) |
39a53e0c | 2464 | { |
91942321 JK |
2465 | if (test_bit(flag, &F2FS_I(inode)->flags)) |
2466 | clear_bit(flag, &F2FS_I(inode)->flags); | |
205b9822 | 2467 | __mark_inode_dirty_flag(inode, flag, false); |
39a53e0c JK |
2468 | } |
2469 | ||
91942321 | 2470 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
39a53e0c | 2471 | { |
91942321 JK |
2472 | F2FS_I(inode)->i_acl_mode = mode; |
2473 | set_inode_flag(inode, FI_ACL_MODE); | |
7c45729a | 2474 | f2fs_mark_inode_dirty_sync(inode, false); |
39a53e0c JK |
2475 | } |
2476 | ||
a1961246 | 2477 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
39a53e0c | 2478 | { |
a1961246 JK |
2479 | if (inc) |
2480 | inc_nlink(inode); | |
2481 | else | |
2482 | drop_nlink(inode); | |
7c45729a | 2483 | f2fs_mark_inode_dirty_sync(inode, true); |
a1961246 JK |
2484 | } |
2485 | ||
8edd03c8 | 2486 | static inline void f2fs_i_blocks_write(struct inode *inode, |
0abd675e | 2487 | block_t diff, bool add, bool claim) |
8edd03c8 | 2488 | { |
26de9b11 JK |
2489 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2490 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2491 | ||
0abd675e CY |
2492 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
2493 | if (add) { | |
2494 | if (claim) | |
2495 | dquot_claim_block(inode, diff); | |
2496 | else | |
2497 | dquot_alloc_block_nofail(inode, diff); | |
2498 | } else { | |
2499 | dquot_free_block(inode, diff); | |
2500 | } | |
2501 | ||
7c45729a | 2502 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2503 | if (clean || recover) |
2504 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
8edd03c8 JK |
2505 | } |
2506 | ||
fc9581c8 JK |
2507 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
2508 | { | |
26de9b11 JK |
2509 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
2510 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); | |
2511 | ||
fc9581c8 JK |
2512 | if (i_size_read(inode) == i_size) |
2513 | return; | |
2514 | ||
2515 | i_size_write(inode, i_size); | |
7c45729a | 2516 | f2fs_mark_inode_dirty_sync(inode, true); |
26de9b11 JK |
2517 | if (clean || recover) |
2518 | set_inode_flag(inode, FI_AUTO_RECOVER); | |
39a53e0c JK |
2519 | } |
2520 | ||
205b9822 | 2521 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
39a53e0c | 2522 | { |
205b9822 | 2523 | F2FS_I(inode)->i_current_depth = depth; |
7c45729a | 2524 | f2fs_mark_inode_dirty_sync(inode, true); |
39a53e0c JK |
2525 | } |
2526 | ||
1ad71a27 JK |
2527 | static inline void f2fs_i_gc_failures_write(struct inode *inode, |
2528 | unsigned int count) | |
2529 | { | |
2ef79ecb | 2530 | F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count; |
1ad71a27 JK |
2531 | f2fs_mark_inode_dirty_sync(inode, true); |
2532 | } | |
2533 | ||
205b9822 | 2534 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
444c580f | 2535 | { |
205b9822 | 2536 | F2FS_I(inode)->i_xattr_nid = xnid; |
7c45729a | 2537 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2538 | } |
2539 | ||
2540 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) | |
2541 | { | |
2542 | F2FS_I(inode)->i_pino = pino; | |
7c45729a | 2543 | f2fs_mark_inode_dirty_sync(inode, true); |
205b9822 JK |
2544 | } |
2545 | ||
91942321 | 2546 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
444c580f | 2547 | { |
205b9822 JK |
2548 | struct f2fs_inode_info *fi = F2FS_I(inode); |
2549 | ||
444c580f | 2550 | if (ri->i_inline & F2FS_INLINE_XATTR) |
205b9822 | 2551 | set_bit(FI_INLINE_XATTR, &fi->flags); |
1001b347 | 2552 | if (ri->i_inline & F2FS_INLINE_DATA) |
205b9822 | 2553 | set_bit(FI_INLINE_DATA, &fi->flags); |
34d67deb | 2554 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
205b9822 | 2555 | set_bit(FI_INLINE_DENTRY, &fi->flags); |
b3d208f9 | 2556 | if (ri->i_inline & F2FS_DATA_EXIST) |
205b9822 | 2557 | set_bit(FI_DATA_EXIST, &fi->flags); |
510022a8 | 2558 | if (ri->i_inline & F2FS_INLINE_DOTS) |
205b9822 | 2559 | set_bit(FI_INLINE_DOTS, &fi->flags); |
7a2af766 CY |
2560 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
2561 | set_bit(FI_EXTRA_ATTR, &fi->flags); | |
1ad71a27 JK |
2562 | if (ri->i_inline & F2FS_PIN_FILE) |
2563 | set_bit(FI_PIN_FILE, &fi->flags); | |
444c580f JK |
2564 | } |
2565 | ||
91942321 | 2566 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
444c580f JK |
2567 | { |
2568 | ri->i_inline = 0; | |
2569 | ||
91942321 | 2570 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
444c580f | 2571 | ri->i_inline |= F2FS_INLINE_XATTR; |
91942321 | 2572 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
1001b347 | 2573 | ri->i_inline |= F2FS_INLINE_DATA; |
91942321 | 2574 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
34d67deb | 2575 | ri->i_inline |= F2FS_INLINE_DENTRY; |
91942321 | 2576 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
b3d208f9 | 2577 | ri->i_inline |= F2FS_DATA_EXIST; |
91942321 | 2578 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
510022a8 | 2579 | ri->i_inline |= F2FS_INLINE_DOTS; |
7a2af766 CY |
2580 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
2581 | ri->i_inline |= F2FS_EXTRA_ATTR; | |
1ad71a27 JK |
2582 | if (is_inode_flag_set(inode, FI_PIN_FILE)) |
2583 | ri->i_inline |= F2FS_PIN_FILE; | |
7a2af766 CY |
2584 | } |
2585 | ||
2586 | static inline int f2fs_has_extra_attr(struct inode *inode) | |
2587 | { | |
2588 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); | |
444c580f JK |
2589 | } |
2590 | ||
987c7c31 CY |
2591 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
2592 | { | |
91942321 | 2593 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
987c7c31 CY |
2594 | } |
2595 | ||
81ca7350 | 2596 | static inline unsigned int addrs_per_inode(struct inode *inode) |
de93653f | 2597 | { |
d02a6e61 CY |
2598 | unsigned int addrs = CUR_ADDRS_PER_INODE(inode) - |
2599 | get_inline_xattr_addrs(inode); | |
2600 | return ALIGN_DOWN(addrs, 1); | |
2601 | } | |
2602 | ||
2603 | static inline unsigned int addrs_per_block(struct inode *inode) | |
2604 | { | |
2605 | return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, 1); | |
de93653f JK |
2606 | } |
2607 | ||
6afc662e | 2608 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
65985d93 | 2609 | { |
695fd1ed | 2610 | struct f2fs_inode *ri = F2FS_INODE(page); |
cac5a3d8 | 2611 | |
65985d93 | 2612 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
b323fd28 | 2613 | get_inline_xattr_addrs(inode)]); |
65985d93 JK |
2614 | } |
2615 | ||
2616 | static inline int inline_xattr_size(struct inode *inode) | |
2617 | { | |
622927f3 CY |
2618 | if (f2fs_has_inline_xattr(inode)) |
2619 | return get_inline_xattr_addrs(inode) * sizeof(__le32); | |
2620 | return 0; | |
65985d93 JK |
2621 | } |
2622 | ||
0dbdc2ae JK |
2623 | static inline int f2fs_has_inline_data(struct inode *inode) |
2624 | { | |
91942321 | 2625 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
0dbdc2ae JK |
2626 | } |
2627 | ||
b3d208f9 JK |
2628 | static inline int f2fs_exist_data(struct inode *inode) |
2629 | { | |
91942321 | 2630 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
b3d208f9 JK |
2631 | } |
2632 | ||
510022a8 JK |
2633 | static inline int f2fs_has_inline_dots(struct inode *inode) |
2634 | { | |
91942321 | 2635 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
510022a8 JK |
2636 | } |
2637 | ||
1ad71a27 JK |
2638 | static inline bool f2fs_is_pinned_file(struct inode *inode) |
2639 | { | |
2640 | return is_inode_flag_set(inode, FI_PIN_FILE); | |
2641 | } | |
2642 | ||
88b88a66 JK |
2643 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
2644 | { | |
91942321 | 2645 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
88b88a66 JK |
2646 | } |
2647 | ||
5fe45743 CY |
2648 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
2649 | { | |
2650 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); | |
2651 | } | |
2652 | ||
02a1335f JK |
2653 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
2654 | { | |
91942321 | 2655 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
02a1335f JK |
2656 | } |
2657 | ||
3c6c2beb JK |
2658 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
2659 | { | |
91942321 | 2660 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb JK |
2661 | } |
2662 | ||
1e84371f JK |
2663 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
2664 | { | |
91942321 | 2665 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
1e84371f JK |
2666 | } |
2667 | ||
f2470371 | 2668 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
1001b347 | 2669 | { |
695fd1ed | 2670 | struct f2fs_inode *ri = F2FS_INODE(page); |
7a2af766 | 2671 | int extra_size = get_extra_isize(inode); |
cac5a3d8 | 2672 | |
7a2af766 | 2673 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
1001b347 HL |
2674 | } |
2675 | ||
34d67deb CY |
2676 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
2677 | { | |
91942321 | 2678 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
34d67deb CY |
2679 | } |
2680 | ||
b5492af7 JK |
2681 | static inline int is_file(struct inode *inode, int type) |
2682 | { | |
2683 | return F2FS_I(inode)->i_advise & type; | |
2684 | } | |
2685 | ||
2686 | static inline void set_file(struct inode *inode, int type) | |
2687 | { | |
2688 | F2FS_I(inode)->i_advise |= type; | |
7c45729a | 2689 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2690 | } |
2691 | ||
2692 | static inline void clear_file(struct inode *inode, int type) | |
2693 | { | |
2694 | F2FS_I(inode)->i_advise &= ~type; | |
7c45729a | 2695 | f2fs_mark_inode_dirty_sync(inode, true); |
b5492af7 JK |
2696 | } |
2697 | ||
26787236 JK |
2698 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
2699 | { | |
a0d00fad CY |
2700 | bool ret; |
2701 | ||
26787236 JK |
2702 | if (dsync) { |
2703 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
26787236 JK |
2704 | |
2705 | spin_lock(&sbi->inode_lock[DIRTY_META]); | |
2706 | ret = list_empty(&F2FS_I(inode)->gdirty_list); | |
2707 | spin_unlock(&sbi->inode_lock[DIRTY_META]); | |
2708 | return ret; | |
2709 | } | |
2710 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || | |
2711 | file_keep_isize(inode) || | |
235831d7 | 2712 | i_size_read(inode) & ~PAGE_MASK) |
26787236 | 2713 | return false; |
a0d00fad | 2714 | |
24b81dfc | 2715 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) |
214c2461 | 2716 | return false; |
24b81dfc | 2717 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) |
214c2461 | 2718 | return false; |
24b81dfc | 2719 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) |
214c2461 | 2720 | return false; |
24b81dfc | 2721 | if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3, |
214c2461 JK |
2722 | &F2FS_I(inode)->i_crtime)) |
2723 | return false; | |
2724 | ||
a0d00fad CY |
2725 | down_read(&F2FS_I(inode)->i_sem); |
2726 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); | |
2727 | up_read(&F2FS_I(inode)->i_sem); | |
2728 | ||
2729 | return ret; | |
b5492af7 JK |
2730 | } |
2731 | ||
deeedd71 | 2732 | static inline bool f2fs_readonly(struct super_block *sb) |
77888c1e | 2733 | { |
deeedd71 | 2734 | return sb_rdonly(sb); |
77888c1e JK |
2735 | } |
2736 | ||
1e968fdf JK |
2737 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
2738 | { | |
aaec2b1d | 2739 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
1e968fdf JK |
2740 | } |
2741 | ||
eaa693f4 JK |
2742 | static inline bool is_dot_dotdot(const struct qstr *str) |
2743 | { | |
2744 | if (str->len == 1 && str->name[0] == '.') | |
2745 | return true; | |
2746 | ||
2747 | if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') | |
2748 | return true; | |
2749 | ||
2750 | return false; | |
2751 | } | |
2752 | ||
3e72f721 JK |
2753 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
2754 | { | |
e4589fa5 ST |
2755 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
2756 | ||
2757 | if (!test_opt(sbi, EXTENT_CACHE) || | |
91942321 | 2758 | is_inode_flag_set(inode, FI_NO_EXTENT)) |
3e72f721 JK |
2759 | return false; |
2760 | ||
e4589fa5 ST |
2761 | /* |
2762 | * for recovered files during mount do not create extents | |
2763 | * if shrinker is not registered. | |
2764 | */ | |
2765 | if (list_empty(&sbi->s_list)) | |
2766 | return false; | |
2767 | ||
886f56f9 | 2768 | return S_ISREG(inode->i_mode); |
3e72f721 JK |
2769 | } |
2770 | ||
1ecc0c5c CY |
2771 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
2772 | size_t size, gfp_t flags) | |
0414b004 | 2773 | { |
5222595d JK |
2774 | void *ret; |
2775 | ||
55523519 CY |
2776 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
2777 | f2fs_show_injection_info(FAULT_KMALLOC); | |
2c63fead | 2778 | return NULL; |
55523519 | 2779 | } |
7fa750a1 | 2780 | |
5222595d JK |
2781 | ret = kmalloc(size, flags); |
2782 | if (ret) | |
2783 | return ret; | |
2784 | ||
2785 | return kvmalloc(size, flags); | |
0414b004 JK |
2786 | } |
2787 | ||
acbf054d CY |
2788 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, |
2789 | size_t size, gfp_t flags) | |
2790 | { | |
2791 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); | |
2792 | } | |
2793 | ||
628b3d14 CY |
2794 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, |
2795 | size_t size, gfp_t flags) | |
2796 | { | |
628b3d14 CY |
2797 | if (time_to_inject(sbi, FAULT_KVMALLOC)) { |
2798 | f2fs_show_injection_info(FAULT_KVMALLOC); | |
2799 | return NULL; | |
2800 | } | |
7fa750a1 | 2801 | |
628b3d14 CY |
2802 | return kvmalloc(size, flags); |
2803 | } | |
2804 | ||
2805 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, | |
2806 | size_t size, gfp_t flags) | |
2807 | { | |
2808 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); | |
2809 | } | |
2810 | ||
7a2af766 | 2811 | static inline int get_extra_isize(struct inode *inode) |
f2470371 | 2812 | { |
7a2af766 | 2813 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
f2470371 CY |
2814 | } |
2815 | ||
6afc662e CY |
2816 | static inline int get_inline_xattr_addrs(struct inode *inode) |
2817 | { | |
2818 | return F2FS_I(inode)->i_inline_xattr_size; | |
2819 | } | |
2820 | ||
4d57b86d | 2821 | #define f2fs_get_inode_mode(i) \ |
91942321 | 2822 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
a6dda0e6 CH |
2823 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
2824 | ||
7a2af766 CY |
2825 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
2826 | (offsetof(struct f2fs_inode, i_extra_end) - \ | |
2827 | offsetof(struct f2fs_inode, i_extra_isize)) \ | |
2828 | ||
5c57132e CY |
2829 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
2830 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ | |
2f84babf | 2831 | ((offsetof(typeof(*(f2fs_inode)), field) + \ |
5c57132e | 2832 | sizeof((f2fs_inode)->field)) \ |
2f84babf | 2833 | <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \ |
5c57132e | 2834 | |
b0af6d49 CY |
2835 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) |
2836 | { | |
2837 | int i; | |
2838 | ||
2839 | spin_lock(&sbi->iostat_lock); | |
2840 | for (i = 0; i < NR_IO_TYPE; i++) | |
2841 | sbi->write_iostat[i] = 0; | |
2842 | spin_unlock(&sbi->iostat_lock); | |
2843 | } | |
2844 | ||
2845 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, | |
2846 | enum iostat_type type, unsigned long long io_bytes) | |
2847 | { | |
2848 | if (!sbi->iostat_enable) | |
2849 | return; | |
2850 | spin_lock(&sbi->iostat_lock); | |
2851 | sbi->write_iostat[type] += io_bytes; | |
2852 | ||
2853 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) | |
2854 | sbi->write_iostat[APP_BUFFERED_IO] = | |
2855 | sbi->write_iostat[APP_WRITE_IO] - | |
2856 | sbi->write_iostat[APP_DIRECT_IO]; | |
2857 | spin_unlock(&sbi->iostat_lock); | |
2858 | } | |
2859 | ||
2c70c5e3 CY |
2860 | #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1) |
2861 | ||
6dc3a126 | 2862 | #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META) |
c9b60788 | 2863 | |
e1da7872 CY |
2864 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
2865 | block_t blkaddr, int type); | |
e1da7872 CY |
2866 | static inline void verify_blkaddr(struct f2fs_sb_info *sbi, |
2867 | block_t blkaddr, int type) | |
2868 | { | |
2869 | if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) { | |
2870 | f2fs_msg(sbi->sb, KERN_ERR, | |
2871 | "invalid blkaddr: %u, type: %d, run fsck to fix.", | |
2872 | blkaddr, type); | |
2873 | f2fs_bug_on(sbi, 1); | |
2874 | } | |
2875 | } | |
2876 | ||
2877 | static inline bool __is_valid_data_blkaddr(block_t blkaddr) | |
7b525dd0 CY |
2878 | { |
2879 | if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR) | |
2880 | return false; | |
2881 | return true; | |
2882 | } | |
2883 | ||
240a5915 CY |
2884 | static inline void f2fs_set_page_private(struct page *page, |
2885 | unsigned long data) | |
2886 | { | |
2887 | if (PagePrivate(page)) | |
2888 | return; | |
2889 | ||
2890 | get_page(page); | |
2891 | SetPagePrivate(page); | |
2892 | set_page_private(page, data); | |
2893 | } | |
2894 | ||
2895 | static inline void f2fs_clear_page_private(struct page *page) | |
2896 | { | |
2897 | if (!PagePrivate(page)) | |
2898 | return; | |
2899 | ||
2900 | set_page_private(page, 0); | |
2901 | ClearPagePrivate(page); | |
2902 | f2fs_put_page(page, 0); | |
2903 | } | |
2904 | ||
39a53e0c JK |
2905 | /* |
2906 | * file.c | |
2907 | */ | |
cac5a3d8 | 2908 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
4d57b86d | 2909 | void f2fs_truncate_data_blocks(struct dnode_of_data *dn); |
c42d28ce | 2910 | int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock); |
cac5a3d8 | 2911 | int f2fs_truncate(struct inode *inode); |
a528d35e DH |
2912 | int f2fs_getattr(const struct path *path, struct kstat *stat, |
2913 | u32 request_mask, unsigned int flags); | |
cac5a3d8 | 2914 | int f2fs_setattr(struct dentry *dentry, struct iattr *attr); |
4d57b86d CY |
2915 | int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); |
2916 | void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count); | |
c4020b2d | 2917 | int f2fs_precache_extents(struct inode *inode); |
cac5a3d8 DS |
2918 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
2919 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
78130819 | 2920 | int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid); |
1ad71a27 | 2921 | int f2fs_pin_file_control(struct inode *inode, bool inc); |
39a53e0c JK |
2922 | |
2923 | /* | |
2924 | * inode.c | |
2925 | */ | |
cac5a3d8 | 2926 | void f2fs_set_inode_flags(struct inode *inode); |
704956ec CY |
2927 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
2928 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); | |
cac5a3d8 DS |
2929 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
2930 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); | |
4d57b86d CY |
2931 | int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); |
2932 | void f2fs_update_inode(struct inode *inode, struct page *node_page); | |
2933 | void f2fs_update_inode_page(struct inode *inode); | |
cac5a3d8 DS |
2934 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); |
2935 | void f2fs_evict_inode(struct inode *inode); | |
4d57b86d | 2936 | void f2fs_handle_failed_inode(struct inode *inode); |
39a53e0c JK |
2937 | |
2938 | /* | |
2939 | * namei.c | |
2940 | */ | |
4d57b86d | 2941 | int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
b6a06cbb | 2942 | bool hot, bool set); |
39a53e0c JK |
2943 | struct dentry *f2fs_get_parent(struct dentry *child); |
2944 | ||
2945 | /* | |
2946 | * dir.c | |
2947 | */ | |
4d57b86d CY |
2948 | unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de); |
2949 | struct f2fs_dir_entry *f2fs_find_target_dentry(struct fscrypt_name *fname, | |
cac5a3d8 DS |
2950 | f2fs_hash_t namehash, int *max_slots, |
2951 | struct f2fs_dentry_ptr *d); | |
2952 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, | |
2953 | unsigned int start_pos, struct fscrypt_str *fstr); | |
4d57b86d | 2954 | void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 | 2955 | struct f2fs_dentry_ptr *d); |
4d57b86d | 2956 | struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir, |
cac5a3d8 DS |
2957 | const struct qstr *new_name, |
2958 | const struct qstr *orig_name, struct page *dpage); | |
4d57b86d | 2959 | void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode, |
cac5a3d8 | 2960 | unsigned int current_depth); |
4d57b86d | 2961 | int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots); |
cac5a3d8 DS |
2962 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); |
2963 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, | |
2964 | struct fscrypt_name *fname, struct page **res_page); | |
2965 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, | |
2966 | const struct qstr *child, struct page **res_page); | |
2967 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); | |
2968 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, | |
2969 | struct page **page); | |
2970 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, | |
2971 | struct page *page, struct inode *inode); | |
cac5a3d8 DS |
2972 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
2973 | const struct qstr *name, f2fs_hash_t name_hash, | |
2974 | unsigned int bit_pos); | |
2975 | int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, | |
2976 | const struct qstr *orig_name, | |
2977 | struct inode *inode, nid_t ino, umode_t mode); | |
4d57b86d | 2978 | int f2fs_add_dentry(struct inode *dir, struct fscrypt_name *fname, |
cac5a3d8 | 2979 | struct inode *inode, nid_t ino, umode_t mode); |
4d57b86d | 2980 | int f2fs_do_add_link(struct inode *dir, const struct qstr *name, |
cac5a3d8 DS |
2981 | struct inode *inode, nid_t ino, umode_t mode); |
2982 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, | |
2983 | struct inode *dir, struct inode *inode); | |
2984 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); | |
2985 | bool f2fs_empty_dir(struct inode *dir); | |
39a53e0c | 2986 | |
b7f7a5e0 AV |
2987 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
2988 | { | |
4d57b86d | 2989 | return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
510022a8 | 2990 | inode, inode->i_ino, inode->i_mode); |
b7f7a5e0 AV |
2991 | } |
2992 | ||
39a53e0c JK |
2993 | /* |
2994 | * super.c | |
2995 | */ | |
cac5a3d8 DS |
2996 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
2997 | void f2fs_inode_synced(struct inode *inode); | |
ea676733 | 2998 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
af033b2a | 2999 | int f2fs_quota_sync(struct super_block *sb, int type); |
4b2414d0 | 3000 | void f2fs_quota_off_umount(struct super_block *sb); |
cac5a3d8 DS |
3001 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
3002 | int f2fs_sync_fs(struct super_block *sb, int sync); | |
a07ef784 | 3003 | extern __printf(3, 4) |
cac5a3d8 | 3004 | void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); |
4d57b86d | 3005 | int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi); |
39a53e0c JK |
3006 | |
3007 | /* | |
3008 | * hash.c | |
3009 | */ | |
6332cd32 JK |
3010 | f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info, |
3011 | struct fscrypt_name *fname); | |
39a53e0c JK |
3012 | |
3013 | /* | |
3014 | * node.c | |
3015 | */ | |
3016 | struct dnode_of_data; | |
3017 | struct node_info; | |
3018 | ||
4d57b86d CY |
3019 | int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); |
3020 | bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); | |
50fa53ec CY |
3021 | bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page); |
3022 | void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); | |
3023 | void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page); | |
3024 | void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); | |
4d57b86d CY |
3025 | int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); |
3026 | bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); | |
3027 | bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); | |
7735730d | 3028 | int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid, |
4d57b86d CY |
3029 | struct node_info *ni); |
3030 | pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); | |
3031 | int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); | |
3032 | int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); | |
3033 | int f2fs_truncate_xattr_node(struct inode *inode); | |
50fa53ec CY |
3034 | int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, |
3035 | unsigned int seq_id); | |
4d57b86d CY |
3036 | int f2fs_remove_inode_page(struct inode *inode); |
3037 | struct page *f2fs_new_inode_page(struct inode *inode); | |
3038 | struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs); | |
3039 | void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); | |
3040 | struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); | |
3041 | struct page *f2fs_get_node_page_ra(struct page *parent, int start); | |
48018b4c | 3042 | int f2fs_move_node_page(struct page *node_page, int gc_type); |
4d57b86d | 3043 | int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, |
50fa53ec CY |
3044 | struct writeback_control *wbc, bool atomic, |
3045 | unsigned int *seq_id); | |
4d57b86d CY |
3046 | int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, |
3047 | struct writeback_control *wbc, | |
b0af6d49 | 3048 | bool do_balance, enum iostat_type io_type); |
e2374015 | 3049 | int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
4d57b86d CY |
3050 | bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
3051 | void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); | |
3052 | void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); | |
3053 | int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); | |
3054 | void f2fs_recover_inline_xattr(struct inode *inode, struct page *page); | |
3055 | int f2fs_recover_xattr_data(struct inode *inode, struct page *page); | |
3056 | int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); | |
7735730d | 3057 | int f2fs_restore_node_summary(struct f2fs_sb_info *sbi, |
cac5a3d8 | 3058 | unsigned int segno, struct f2fs_summary_block *sum); |
edc55aaf | 3059 | int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
4d57b86d CY |
3060 | int f2fs_build_node_manager(struct f2fs_sb_info *sbi); |
3061 | void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi); | |
3062 | int __init f2fs_create_node_manager_caches(void); | |
3063 | void f2fs_destroy_node_manager_caches(void); | |
39a53e0c JK |
3064 | |
3065 | /* | |
3066 | * segment.c | |
3067 | */ | |
4d57b86d CY |
3068 | bool f2fs_need_SSR(struct f2fs_sb_info *sbi); |
3069 | void f2fs_register_inmem_page(struct inode *inode, struct page *page); | |
3070 | void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure); | |
3071 | void f2fs_drop_inmem_pages(struct inode *inode); | |
3072 | void f2fs_drop_inmem_page(struct inode *inode, struct page *page); | |
3073 | int f2fs_commit_inmem_pages(struct inode *inode); | |
cac5a3d8 DS |
3074 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); |
3075 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi); | |
39d787be | 3076 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
4d57b86d | 3077 | int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi); |
1228b482 | 3078 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3079 | void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
3080 | void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); | |
3081 | bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); | |
3082 | void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi); | |
3083 | void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi); | |
03f2c02d | 3084 | bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3085 | void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi, |
3086 | struct cp_control *cpc); | |
4354994f DR |
3087 | void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi); |
3088 | int f2fs_disable_cp_again(struct f2fs_sb_info *sbi); | |
4d57b86d CY |
3089 | void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); |
3090 | int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); | |
3091 | void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi); | |
cac5a3d8 | 3092 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); |
4d57b86d CY |
3093 | bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi, |
3094 | struct cp_control *cpc); | |
3095 | struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); | |
3096 | void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src, | |
3097 | block_t blk_addr); | |
3098 | void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page, | |
b0af6d49 | 3099 | enum iostat_type io_type); |
4d57b86d CY |
3100 | void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
3101 | void f2fs_outplace_write_data(struct dnode_of_data *dn, | |
3102 | struct f2fs_io_info *fio); | |
3103 | int f2fs_inplace_write_data(struct f2fs_io_info *fio); | |
3104 | void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, | |
cac5a3d8 DS |
3105 | block_t old_blkaddr, block_t new_blkaddr, |
3106 | bool recover_curseg, bool recover_newaddr); | |
3107 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, | |
3108 | block_t old_addr, block_t new_addr, | |
3109 | unsigned char version, bool recover_curseg, | |
3110 | bool recover_newaddr); | |
4d57b86d | 3111 | void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, |
cac5a3d8 | 3112 | block_t old_blkaddr, block_t *new_blkaddr, |
fb830fc5 CY |
3113 | struct f2fs_summary *sum, int type, |
3114 | struct f2fs_io_info *fio, bool add_list); | |
cac5a3d8 | 3115 | void f2fs_wait_on_page_writeback(struct page *page, |
bae0ee7a | 3116 | enum page_type type, bool ordered, bool locked); |
0ded69f6 | 3117 | void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr); |
1e78e8bd ST |
3118 | void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr, |
3119 | block_t len); | |
4d57b86d CY |
3120 | void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
3121 | void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); | |
3122 | int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type, | |
cac5a3d8 | 3123 | unsigned int val, int alloc); |
4d57b86d CY |
3124 | void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
3125 | int f2fs_build_segment_manager(struct f2fs_sb_info *sbi); | |
3126 | void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi); | |
3127 | int __init f2fs_create_segment_manager_caches(void); | |
3128 | void f2fs_destroy_segment_manager_caches(void); | |
3129 | int f2fs_rw_hint_to_seg_type(enum rw_hint hint); | |
3130 | enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi, | |
3131 | enum page_type type, enum temp_type temp); | |
39a53e0c JK |
3132 | |
3133 | /* | |
3134 | * checkpoint.c | |
3135 | */ | |
cac5a3d8 | 3136 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
4d57b86d CY |
3137 | struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
3138 | struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); | |
7735730d | 3139 | struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index); |
4d57b86d | 3140 | struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); |
e1da7872 CY |
3141 | bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, |
3142 | block_t blkaddr, int type); | |
4d57b86d | 3143 | int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, |
cac5a3d8 | 3144 | int type, bool sync); |
4d57b86d CY |
3145 | void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); |
3146 | long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, | |
b0af6d49 | 3147 | long nr_to_write, enum iostat_type io_type); |
4d57b86d CY |
3148 | void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
3149 | void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); | |
3150 | void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all); | |
3151 | bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); | |
3152 | void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, | |
39d787be | 3153 | unsigned int devidx, int type); |
4d57b86d | 3154 | bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
39d787be | 3155 | unsigned int devidx, int type); |
cac5a3d8 | 3156 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3157 | int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi); |
3158 | void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi); | |
3159 | void f2fs_add_orphan_inode(struct inode *inode); | |
3160 | void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); | |
3161 | int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi); | |
3162 | int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); | |
3163 | void f2fs_update_dirty_page(struct inode *inode, struct page *page); | |
3164 | void f2fs_remove_dirty_inode(struct inode *inode); | |
3165 | int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); | |
50fa53ec | 3166 | void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info *sbi); |
4d57b86d CY |
3167 | int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
3168 | void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); | |
3169 | int __init f2fs_create_checkpoint_caches(void); | |
3170 | void f2fs_destroy_checkpoint_caches(void); | |
39a53e0c JK |
3171 | |
3172 | /* | |
3173 | * data.c | |
3174 | */ | |
6dbb1796 EB |
3175 | int f2fs_init_post_read_processing(void); |
3176 | void f2fs_destroy_post_read_processing(void); | |
b9109b0e JK |
3177 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
3178 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, | |
bab475c5 CY |
3179 | struct inode *inode, struct page *page, |
3180 | nid_t ino, enum page_type type); | |
b9109b0e | 3181 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); |
cac5a3d8 | 3182 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
8648de2c | 3183 | int f2fs_merge_page_bio(struct f2fs_io_info *fio); |
fe16efe6 | 3184 | void f2fs_submit_page_write(struct f2fs_io_info *fio); |
cac5a3d8 DS |
3185 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
3186 | block_t blk_addr, struct bio *bio); | |
3187 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); | |
4d57b86d | 3188 | void f2fs_set_data_blkaddr(struct dnode_of_data *dn); |
cac5a3d8 | 3189 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); |
4d57b86d CY |
3190 | int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); |
3191 | int f2fs_reserve_new_block(struct dnode_of_data *dn); | |
cac5a3d8 DS |
3192 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); |
3193 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); | |
3194 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); | |
4d57b86d | 3195 | struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index, |
cac5a3d8 | 3196 | int op_flags, bool for_write); |
4d57b86d CY |
3197 | struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index); |
3198 | struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index, | |
cac5a3d8 | 3199 | bool for_write); |
4d57b86d | 3200 | struct page *f2fs_get_new_data_page(struct inode *inode, |
cac5a3d8 | 3201 | struct page *ipage, pgoff_t index, bool new_i_size); |
4d57b86d | 3202 | int f2fs_do_write_data_page(struct f2fs_io_info *fio); |
39a86958 | 3203 | void __do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock); |
cac5a3d8 DS |
3204 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, |
3205 | int create, int flag); | |
3206 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, | |
3207 | u64 start, u64 len); | |
4d57b86d CY |
3208 | bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); |
3209 | bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); | |
cac5a3d8 DS |
3210 | void f2fs_invalidate_page(struct page *page, unsigned int offset, |
3211 | unsigned int length); | |
3212 | int f2fs_release_page(struct page *page, gfp_t wait); | |
5b7a487c | 3213 | #ifdef CONFIG_MIGRATION |
cac5a3d8 DS |
3214 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
3215 | struct page *page, enum migrate_mode mode); | |
5b7a487c | 3216 | #endif |
b91050a8 | 3217 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); |
5ec2d99d | 3218 | void f2fs_clear_page_cache_dirty_tag(struct page *page); |
39a53e0c JK |
3219 | |
3220 | /* | |
3221 | * gc.c | |
3222 | */ | |
4d57b86d CY |
3223 | int f2fs_start_gc_thread(struct f2fs_sb_info *sbi); |
3224 | void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi); | |
3225 | block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode); | |
e066b83c JK |
3226 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, |
3227 | unsigned int segno); | |
4d57b86d | 3228 | void f2fs_build_gc_manager(struct f2fs_sb_info *sbi); |
39a53e0c JK |
3229 | |
3230 | /* | |
3231 | * recovery.c | |
3232 | */ | |
4d57b86d CY |
3233 | int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
3234 | bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi); | |
39a53e0c JK |
3235 | |
3236 | /* | |
3237 | * debug.c | |
3238 | */ | |
3239 | #ifdef CONFIG_F2FS_STAT_FS | |
3240 | struct f2fs_stat_info { | |
3241 | struct list_head stat_list; | |
3242 | struct f2fs_sb_info *sbi; | |
39a53e0c JK |
3243 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
3244 | int main_area_segs, main_area_sections, main_area_zones; | |
5b7ee374 CY |
3245 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
3246 | unsigned long long hit_total, total_ext; | |
c00ba554 | 3247 | int ext_tree, zombie_tree, ext_node; |
2c8a4a28 JK |
3248 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
3249 | int ndirty_data, ndirty_qdata; | |
35782b23 | 3250 | int inmem_pages; |
2c8a4a28 | 3251 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
5b0ef73c JK |
3252 | int nats, dirty_nats, sits, dirty_sits; |
3253 | int free_nids, avail_nids, alloc_nids; | |
39a53e0c | 3254 | int total_count, utilization; |
8b8dd65f | 3255 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
5f9abab4 | 3256 | int nr_rd_data, nr_rd_node, nr_rd_meta; |
02b16d0a | 3257 | int nr_dio_read, nr_dio_write; |
274bd9ba | 3258 | unsigned int io_skip_bggc, other_skip_bggc; |
14d8d5f7 CY |
3259 | int nr_flushing, nr_flushed, flush_list_empty; |
3260 | int nr_discarding, nr_discarded; | |
5f32366a | 3261 | int nr_discard_cmd; |
d84d1cbd | 3262 | unsigned int undiscard_blks; |
a00861db | 3263 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
648d50ba | 3264 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; |
f83a2584 | 3265 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
39a53e0c JK |
3266 | unsigned int bimodal, avg_vblocks; |
3267 | int util_free, util_valid, util_invalid; | |
3268 | int rsvd_segs, overp_segs; | |
3269 | int dirty_count, node_pages, meta_pages; | |
42190d2a | 3270 | int prefree_count, call_count, cp_count, bg_cp_count; |
39a53e0c | 3271 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
e1235983 | 3272 | int bg_node_segs, bg_data_segs; |
39a53e0c | 3273 | int tot_blks, data_blks, node_blks; |
e1235983 | 3274 | int bg_data_blks, bg_node_blks; |
2ef79ecb | 3275 | unsigned long long skipped_atomic_files[2]; |
39a53e0c JK |
3276 | int curseg[NR_CURSEG_TYPE]; |
3277 | int cursec[NR_CURSEG_TYPE]; | |
3278 | int curzone[NR_CURSEG_TYPE]; | |
3279 | ||
b63e7be5 | 3280 | unsigned int meta_count[META_MAX]; |
39a53e0c JK |
3281 | unsigned int segment_count[2]; |
3282 | unsigned int block_count[2]; | |
b9a2c252 | 3283 | unsigned int inplace_count; |
9edcdabf | 3284 | unsigned long long base_mem, cache_mem, page_mem; |
39a53e0c JK |
3285 | }; |
3286 | ||
963d4f7d GZ |
3287 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
3288 | { | |
6c311ec6 | 3289 | return (struct f2fs_stat_info *)sbi->stat_info; |
963d4f7d GZ |
3290 | } |
3291 | ||
942e0be6 | 3292 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
42190d2a | 3293 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
dcdfff65 JK |
3294 | #define stat_inc_call_count(si) ((si)->call_count++) |
3295 | #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++) | |
274bd9ba CY |
3296 | #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++) |
3297 | #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++) | |
33fbd510 CY |
3298 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
3299 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) | |
5b7ee374 CY |
3300 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
3301 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) | |
3302 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) | |
3303 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) | |
d5e8f6c9 CY |
3304 | #define stat_inc_inline_xattr(inode) \ |
3305 | do { \ | |
3306 | if (f2fs_has_inline_xattr(inode)) \ | |
3307 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3308 | } while (0) | |
3309 | #define stat_dec_inline_xattr(inode) \ | |
3310 | do { \ | |
3311 | if (f2fs_has_inline_xattr(inode)) \ | |
3312 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ | |
3313 | } while (0) | |
0dbdc2ae JK |
3314 | #define stat_inc_inline_inode(inode) \ |
3315 | do { \ | |
3316 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3317 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae JK |
3318 | } while (0) |
3319 | #define stat_dec_inline_inode(inode) \ | |
3320 | do { \ | |
3321 | if (f2fs_has_inline_data(inode)) \ | |
03e14d52 | 3322 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
0dbdc2ae | 3323 | } while (0) |
3289c061 JK |
3324 | #define stat_inc_inline_dir(inode) \ |
3325 | do { \ | |
3326 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3327 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 JK |
3328 | } while (0) |
3329 | #define stat_dec_inline_dir(inode) \ | |
3330 | do { \ | |
3331 | if (f2fs_has_inline_dentry(inode)) \ | |
03e14d52 | 3332 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
3289c061 | 3333 | } while (0) |
b63e7be5 CY |
3334 | #define stat_inc_meta_count(sbi, blkaddr) \ |
3335 | do { \ | |
3336 | if (blkaddr < SIT_I(sbi)->sit_base_addr) \ | |
3337 | atomic_inc(&(sbi)->meta_count[META_CP]); \ | |
3338 | else if (blkaddr < NM_I(sbi)->nat_blkaddr) \ | |
3339 | atomic_inc(&(sbi)->meta_count[META_SIT]); \ | |
3340 | else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \ | |
3341 | atomic_inc(&(sbi)->meta_count[META_NAT]); \ | |
3342 | else if (blkaddr < SM_I(sbi)->main_blkaddr) \ | |
3343 | atomic_inc(&(sbi)->meta_count[META_SSA]); \ | |
3344 | } while (0) | |
dcdfff65 JK |
3345 | #define stat_inc_seg_type(sbi, curseg) \ |
3346 | ((sbi)->segment_count[(curseg)->alloc_type]++) | |
3347 | #define stat_inc_block_count(sbi, curseg) \ | |
3348 | ((sbi)->block_count[(curseg)->alloc_type]++) | |
b9a2c252 CL |
3349 | #define stat_inc_inplace_blocks(sbi) \ |
3350 | (atomic_inc(&(sbi)->inplace_count)) | |
26a28a0c | 3351 | #define stat_inc_atomic_write(inode) \ |
cac5a3d8 | 3352 | (atomic_inc(&F2FS_I_SB(inode)->aw_cnt)) |
26a28a0c | 3353 | #define stat_dec_atomic_write(inode) \ |
cac5a3d8 | 3354 | (atomic_dec(&F2FS_I_SB(inode)->aw_cnt)) |
26a28a0c JK |
3355 | #define stat_update_max_atomic_write(inode) \ |
3356 | do { \ | |
3357 | int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \ | |
3358 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ | |
3359 | if (cur > max) \ | |
3360 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ | |
3361 | } while (0) | |
648d50ba CY |
3362 | #define stat_inc_volatile_write(inode) \ |
3363 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) | |
3364 | #define stat_dec_volatile_write(inode) \ | |
3365 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) | |
3366 | #define stat_update_max_volatile_write(inode) \ | |
3367 | do { \ | |
3368 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ | |
3369 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ | |
3370 | if (cur > max) \ | |
3371 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ | |
3372 | } while (0) | |
e1235983 | 3373 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
39a53e0c | 3374 | do { \ |
963d4f7d | 3375 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
68afcf2d TK |
3376 | si->tot_segs++; \ |
3377 | if ((type) == SUM_TYPE_DATA) { \ | |
39a53e0c | 3378 | si->data_segs++; \ |
e1235983 CL |
3379 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3380 | } else { \ | |
39a53e0c | 3381 | si->node_segs++; \ |
e1235983 CL |
3382 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
3383 | } \ | |
39a53e0c JK |
3384 | } while (0) |
3385 | ||
3386 | #define stat_inc_tot_blk_count(si, blks) \ | |
68afcf2d | 3387 | ((si)->tot_blks += (blks)) |
39a53e0c | 3388 | |
e1235983 | 3389 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3390 | do { \ |
963d4f7d | 3391 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3392 | stat_inc_tot_blk_count(si, blks); \ |
3393 | si->data_blks += (blks); \ | |
68afcf2d | 3394 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3395 | } while (0) |
3396 | ||
e1235983 | 3397 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
39a53e0c | 3398 | do { \ |
963d4f7d | 3399 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
39a53e0c JK |
3400 | stat_inc_tot_blk_count(si, blks); \ |
3401 | si->node_blks += (blks); \ | |
68afcf2d | 3402 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
39a53e0c JK |
3403 | } while (0) |
3404 | ||
cac5a3d8 DS |
3405 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
3406 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); | |
21acc07d | 3407 | void __init f2fs_create_root_stats(void); |
4589d25d | 3408 | void f2fs_destroy_root_stats(void); |
39a53e0c | 3409 | #else |
d66450e7 AB |
3410 | #define stat_inc_cp_count(si) do { } while (0) |
3411 | #define stat_inc_bg_cp_count(si) do { } while (0) | |
3412 | #define stat_inc_call_count(si) do { } while (0) | |
3413 | #define stat_inc_bggc_count(si) do { } while (0) | |
274bd9ba CY |
3414 | #define stat_io_skip_bggc_count(sbi) do { } while (0) |
3415 | #define stat_other_skip_bggc_count(sbi) do { } while (0) | |
d66450e7 AB |
3416 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) |
3417 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) | |
3418 | #define stat_inc_total_hit(sb) do { } while (0) | |
3419 | #define stat_inc_rbtree_node_hit(sb) do { } while (0) | |
3420 | #define stat_inc_largest_node_hit(sbi) do { } while (0) | |
3421 | #define stat_inc_cached_node_hit(sbi) do { } while (0) | |
3422 | #define stat_inc_inline_xattr(inode) do { } while (0) | |
3423 | #define stat_dec_inline_xattr(inode) do { } while (0) | |
3424 | #define stat_inc_inline_inode(inode) do { } while (0) | |
3425 | #define stat_dec_inline_inode(inode) do { } while (0) | |
3426 | #define stat_inc_inline_dir(inode) do { } while (0) | |
3427 | #define stat_dec_inline_dir(inode) do { } while (0) | |
3428 | #define stat_inc_atomic_write(inode) do { } while (0) | |
3429 | #define stat_dec_atomic_write(inode) do { } while (0) | |
3430 | #define stat_update_max_atomic_write(inode) do { } while (0) | |
3431 | #define stat_inc_volatile_write(inode) do { } while (0) | |
3432 | #define stat_dec_volatile_write(inode) do { } while (0) | |
3433 | #define stat_update_max_volatile_write(inode) do { } while (0) | |
b63e7be5 | 3434 | #define stat_inc_meta_count(sbi, blkaddr) do { } while (0) |
d66450e7 AB |
3435 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) |
3436 | #define stat_inc_block_count(sbi, curseg) do { } while (0) | |
3437 | #define stat_inc_inplace_blocks(sbi) do { } while (0) | |
3438 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) | |
3439 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) | |
3440 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) | |
3441 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) | |
39a53e0c JK |
3442 | |
3443 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } | |
3444 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } | |
21acc07d | 3445 | static inline void __init f2fs_create_root_stats(void) { } |
4589d25d | 3446 | static inline void f2fs_destroy_root_stats(void) { } |
39a53e0c JK |
3447 | #endif |
3448 | ||
3449 | extern const struct file_operations f2fs_dir_operations; | |
3450 | extern const struct file_operations f2fs_file_operations; | |
3451 | extern const struct inode_operations f2fs_file_inode_operations; | |
3452 | extern const struct address_space_operations f2fs_dblock_aops; | |
3453 | extern const struct address_space_operations f2fs_node_aops; | |
3454 | extern const struct address_space_operations f2fs_meta_aops; | |
3455 | extern const struct inode_operations f2fs_dir_inode_operations; | |
3456 | extern const struct inode_operations f2fs_symlink_inode_operations; | |
cbaf042a | 3457 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
39a53e0c | 3458 | extern const struct inode_operations f2fs_special_inode_operations; |
4d57b86d | 3459 | extern struct kmem_cache *f2fs_inode_entry_slab; |
1001b347 | 3460 | |
e18c65b2 HL |
3461 | /* |
3462 | * inline.c | |
3463 | */ | |
cac5a3d8 DS |
3464 | bool f2fs_may_inline_data(struct inode *inode); |
3465 | bool f2fs_may_inline_dentry(struct inode *inode); | |
4d57b86d CY |
3466 | void f2fs_do_read_inline_data(struct page *page, struct page *ipage); |
3467 | void f2fs_truncate_inline_inode(struct inode *inode, | |
3468 | struct page *ipage, u64 from); | |
cac5a3d8 DS |
3469 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
3470 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); | |
3471 | int f2fs_convert_inline_inode(struct inode *inode); | |
3472 | int f2fs_write_inline_data(struct inode *inode, struct page *page); | |
4d57b86d CY |
3473 | bool f2fs_recover_inline_data(struct inode *inode, struct page *npage); |
3474 | struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir, | |
cac5a3d8 | 3475 | struct fscrypt_name *fname, struct page **res_page); |
4d57b86d | 3476 | int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent, |
cac5a3d8 DS |
3477 | struct page *ipage); |
3478 | int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name, | |
3479 | const struct qstr *orig_name, | |
3480 | struct inode *inode, nid_t ino, umode_t mode); | |
4d57b86d CY |
3481 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, |
3482 | struct page *page, struct inode *dir, | |
3483 | struct inode *inode); | |
cac5a3d8 DS |
3484 | bool f2fs_empty_inline_dir(struct inode *dir); |
3485 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, | |
3486 | struct fscrypt_str *fstr); | |
3487 | int f2fs_inline_data_fiemap(struct inode *inode, | |
3488 | struct fiemap_extent_info *fieinfo, | |
3489 | __u64 start, __u64 len); | |
cde4de12 | 3490 | |
2658e50d JK |
3491 | /* |
3492 | * shrinker.c | |
3493 | */ | |
cac5a3d8 DS |
3494 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
3495 | struct shrink_control *sc); | |
3496 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, | |
3497 | struct shrink_control *sc); | |
3498 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); | |
3499 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); | |
2658e50d | 3500 | |
a28ef1f5 CY |
3501 | /* |
3502 | * extent_cache.c | |
3503 | */ | |
4dada3fd | 3504 | struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root, |
004b6862 | 3505 | struct rb_entry *cached_re, unsigned int ofs); |
4d57b86d | 3506 | struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, |
4dada3fd CY |
3507 | struct rb_root_cached *root, |
3508 | struct rb_node **parent, | |
3509 | unsigned int ofs, bool *leftmost); | |
3510 | struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root, | |
004b6862 CY |
3511 | struct rb_entry *cached_re, unsigned int ofs, |
3512 | struct rb_entry **prev_entry, struct rb_entry **next_entry, | |
3513 | struct rb_node ***insert_p, struct rb_node **insert_parent, | |
4dada3fd | 3514 | bool force, bool *leftmost); |
4d57b86d | 3515 | bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
4dada3fd | 3516 | struct rb_root_cached *root); |
cac5a3d8 DS |
3517 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
3518 | bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext); | |
3519 | void f2fs_drop_extent_tree(struct inode *inode); | |
3520 | unsigned int f2fs_destroy_extent_node(struct inode *inode); | |
3521 | void f2fs_destroy_extent_tree(struct inode *inode); | |
3522 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, | |
3523 | struct extent_info *ei); | |
3524 | void f2fs_update_extent_cache(struct dnode_of_data *dn); | |
19b2c30d | 3525 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
cac5a3d8 | 3526 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
4d57b86d CY |
3527 | void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi); |
3528 | int __init f2fs_create_extent_cache(void); | |
3529 | void f2fs_destroy_extent_cache(void); | |
a28ef1f5 | 3530 | |
8ceffcb2 CY |
3531 | /* |
3532 | * sysfs.c | |
3533 | */ | |
dc6b2055 JK |
3534 | int __init f2fs_init_sysfs(void); |
3535 | void f2fs_exit_sysfs(void); | |
3536 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); | |
3537 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); | |
8ceffcb2 | 3538 | |
cde4de12 JK |
3539 | /* |
3540 | * crypto support | |
3541 | */ | |
1958593e JK |
3542 | static inline bool f2fs_encrypted_file(struct inode *inode) |
3543 | { | |
62230e0d | 3544 | return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode); |
1958593e JK |
3545 | } |
3546 | ||
cde4de12 JK |
3547 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
3548 | { | |
643fa961 | 3549 | #ifdef CONFIG_FS_ENCRYPTION |
cde4de12 | 3550 | file_set_encrypt(inode); |
9149a5eb | 3551 | f2fs_set_inode_flags(inode); |
cde4de12 JK |
3552 | #endif |
3553 | } | |
3554 | ||
6dbb1796 EB |
3555 | /* |
3556 | * Returns true if the reads of the inode's data need to undergo some | |
3557 | * postprocessing step, like decryption or authenticity verification. | |
3558 | */ | |
3559 | static inline bool f2fs_post_read_required(struct inode *inode) | |
cde4de12 | 3560 | { |
6dbb1796 | 3561 | return f2fs_encrypted_file(inode); |
cde4de12 JK |
3562 | } |
3563 | ||
ccd31cb2 | 3564 | #define F2FS_FEATURE_FUNCS(name, flagname) \ |
7beb01f7 | 3565 | static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \ |
ccd31cb2 | 3566 | { \ |
7beb01f7 | 3567 | return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \ |
52763a4b JK |
3568 | } |
3569 | ||
ccd31cb2 SY |
3570 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); |
3571 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); | |
3572 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); | |
3573 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); | |
3574 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); | |
3575 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); | |
3576 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); | |
3577 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); | |
b7c409de | 3578 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); |
d440c52d | 3579 | F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM); |
1c1d35df | 3580 | |
178053e2 | 3581 | #ifdef CONFIG_BLK_DEV_ZONED |
95175daf DLM |
3582 | static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi, |
3583 | block_t blkaddr) | |
178053e2 DLM |
3584 | { |
3585 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; | |
3586 | ||
95175daf | 3587 | return test_bit(zno, FDEV(devi).blkz_seq); |
178053e2 DLM |
3588 | } |
3589 | #endif | |
3590 | ||
7d20c8ab | 3591 | static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi) |
52763a4b | 3592 | { |
7beb01f7 | 3593 | return f2fs_sb_has_blkzoned(sbi); |
7d20c8ab | 3594 | } |
96ba2dec | 3595 | |
7f3d7719 DLM |
3596 | static inline bool f2fs_bdev_support_discard(struct block_device *bdev) |
3597 | { | |
3598 | return blk_queue_discard(bdev_get_queue(bdev)) || | |
3599 | bdev_is_zoned(bdev); | |
3600 | } | |
3601 | ||
7d20c8ab CY |
3602 | static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi) |
3603 | { | |
7f3d7719 DLM |
3604 | int i; |
3605 | ||
3606 | if (!f2fs_is_multi_device(sbi)) | |
3607 | return f2fs_bdev_support_discard(sbi->sb->s_bdev); | |
3608 | ||
3609 | for (i = 0; i < sbi->s_ndevs; i++) | |
3610 | if (f2fs_bdev_support_discard(FDEV(i).bdev)) | |
3611 | return true; | |
3612 | return false; | |
7d20c8ab CY |
3613 | } |
3614 | ||
3615 | static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi) | |
3616 | { | |
3617 | return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) || | |
3618 | f2fs_hw_should_discard(sbi); | |
52763a4b JK |
3619 | } |
3620 | ||
f824deb5 CY |
3621 | static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi) |
3622 | { | |
3623 | int i; | |
3624 | ||
3625 | if (!f2fs_is_multi_device(sbi)) | |
3626 | return bdev_read_only(sbi->sb->s_bdev); | |
3627 | ||
3628 | for (i = 0; i < sbi->s_ndevs; i++) | |
3629 | if (bdev_read_only(FDEV(i).bdev)) | |
3630 | return true; | |
3631 | return false; | |
3632 | } | |
3633 | ||
3634 | ||
52763a4b JK |
3635 | static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt) |
3636 | { | |
3637 | clear_opt(sbi, ADAPTIVE); | |
3638 | clear_opt(sbi, LFS); | |
3639 | ||
3640 | switch (mt) { | |
3641 | case F2FS_MOUNT_ADAPTIVE: | |
3642 | set_opt(sbi, ADAPTIVE); | |
3643 | break; | |
3644 | case F2FS_MOUNT_LFS: | |
3645 | set_opt(sbi, LFS); | |
3646 | break; | |
3647 | } | |
3648 | } | |
3649 | ||
fcc85a4d JK |
3650 | static inline bool f2fs_may_encrypt(struct inode *inode) |
3651 | { | |
643fa961 | 3652 | #ifdef CONFIG_FS_ENCRYPTION |
886f56f9 | 3653 | umode_t mode = inode->i_mode; |
fcc85a4d JK |
3654 | |
3655 | return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)); | |
3656 | #else | |
6e45f2a5 | 3657 | return false; |
fcc85a4d JK |
3658 | #endif |
3659 | } | |
3660 | ||
f847c699 CY |
3661 | static inline int block_unaligned_IO(struct inode *inode, |
3662 | struct kiocb *iocb, struct iov_iter *iter) | |
b91050a8 | 3663 | { |
f847c699 CY |
3664 | unsigned int i_blkbits = READ_ONCE(inode->i_blkbits); |
3665 | unsigned int blocksize_mask = (1 << i_blkbits) - 1; | |
3666 | loff_t offset = iocb->ki_pos; | |
3667 | unsigned long align = offset | iov_iter_alignment(iter); | |
3668 | ||
3669 | return align & blocksize_mask; | |
3670 | } | |
3671 | ||
3672 | static inline int allow_outplace_dio(struct inode *inode, | |
3673 | struct kiocb *iocb, struct iov_iter *iter) | |
3674 | { | |
3675 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
3676 | int rw = iov_iter_rw(iter); | |
3677 | ||
3678 | return (test_opt(sbi, LFS) && (rw == WRITE) && | |
3679 | !block_unaligned_IO(inode, iocb, iter)); | |
3680 | } | |
3681 | ||
3682 | static inline bool f2fs_force_buffered_io(struct inode *inode, | |
3683 | struct kiocb *iocb, struct iov_iter *iter) | |
3684 | { | |
3685 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
3686 | int rw = iov_iter_rw(iter); | |
3687 | ||
3688 | if (f2fs_post_read_required(inode)) | |
3689 | return true; | |
0916878d | 3690 | if (f2fs_is_multi_device(sbi)) |
f847c699 CY |
3691 | return true; |
3692 | /* | |
3693 | * for blkzoned device, fallback direct IO to buffered IO, so | |
3694 | * all IOs can be serialized by log-structured write. | |
3695 | */ | |
7beb01f7 | 3696 | if (f2fs_sb_has_blkzoned(sbi)) |
f847c699 CY |
3697 | return true; |
3698 | if (test_opt(sbi, LFS) && (rw == WRITE) && | |
3699 | block_unaligned_IO(inode, iocb, iter)) | |
3700 | return true; | |
4354994f DR |
3701 | if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED)) |
3702 | return true; | |
3703 | ||
f847c699 | 3704 | return false; |
b91050a8 HL |
3705 | } |
3706 | ||
83a3bfdb | 3707 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
d494500a CY |
3708 | extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate, |
3709 | unsigned int type); | |
83a3bfdb | 3710 | #else |
d494500a | 3711 | #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0) |
83a3bfdb JK |
3712 | #endif |
3713 | ||
af033b2a CY |
3714 | static inline bool is_journalled_quota(struct f2fs_sb_info *sbi) |
3715 | { | |
3716 | #ifdef CONFIG_QUOTA | |
7beb01f7 | 3717 | if (f2fs_sb_has_quota_ino(sbi)) |
af033b2a CY |
3718 | return true; |
3719 | if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] || | |
3720 | F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] || | |
3721 | F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) | |
3722 | return true; | |
3723 | #endif | |
3724 | return false; | |
3725 | } | |
0af725fc | 3726 | |
e1074d4b | 3727 | #endif /* _LINUX_F2FS_H */ |