1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
11 #include <linux/uio.h>
12 #include <linux/types.h>
13 #include <linux/page-flags.h>
14 #include <linux/buffer_head.h>
15 #include <linux/slab.h>
16 #include <linux/crc32.h>
17 #include <linux/magic.h>
18 #include <linux/kobject.h>
19 #include <linux/sched.h>
20 #include <linux/cred.h>
21 #include <linux/vmalloc.h>
22 #include <linux/bio.h>
23 #include <linux/blkdev.h>
24 #include <linux/quotaops.h>
25 #include <linux/part_stat.h>
26 #include <crypto/hash.h>
28 #include <linux/fscrypt.h>
29 #include <linux/fsverity.h>
31 #ifdef CONFIG_F2FS_CHECK_FS
32 #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
34 #define f2fs_bug_on(sbi, condition) \
36 if (unlikely(condition)) { \
38 set_sbi_flag(sbi, SBI_NEED_FSCK); \
62 #ifdef CONFIG_F2FS_FAULT_INJECTION
63 #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
65 struct f2fs_fault_info {
67 unsigned int inject_rate;
68 unsigned int inject_type;
71 extern const char *f2fs_fault_name[FAULT_MAX];
72 #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
78 #define F2FS_MOUNT_BG_GC 0x00000001
79 #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002
80 #define F2FS_MOUNT_DISCARD 0x00000004
81 #define F2FS_MOUNT_NOHEAP 0x00000008
82 #define F2FS_MOUNT_XATTR_USER 0x00000010
83 #define F2FS_MOUNT_POSIX_ACL 0x00000020
84 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
85 #define F2FS_MOUNT_INLINE_XATTR 0x00000080
86 #define F2FS_MOUNT_INLINE_DATA 0x00000100
87 #define F2FS_MOUNT_INLINE_DENTRY 0x00000200
88 #define F2FS_MOUNT_FLUSH_MERGE 0x00000400
89 #define F2FS_MOUNT_NOBARRIER 0x00000800
90 #define F2FS_MOUNT_FASTBOOT 0x00001000
91 #define F2FS_MOUNT_EXTENT_CACHE 0x00002000
92 #define F2FS_MOUNT_FORCE_FG_GC 0x00004000
93 #define F2FS_MOUNT_DATA_FLUSH 0x00008000
94 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
95 #define F2FS_MOUNT_ADAPTIVE 0x00020000
96 #define F2FS_MOUNT_LFS 0x00040000
97 #define F2FS_MOUNT_USRQUOTA 0x00080000
98 #define F2FS_MOUNT_GRPQUOTA 0x00100000
99 #define F2FS_MOUNT_PRJQUOTA 0x00200000
100 #define F2FS_MOUNT_QUOTA 0x00400000
101 #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
102 #define F2FS_MOUNT_RESERVE_ROOT 0x01000000
103 #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
105 #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
106 #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
107 #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
108 #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
110 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
111 typecheck(unsigned long long, b) && \
112 ((long long)((a) - (b)) > 0))
114 typedef u32 block_t; /*
115 * should not change u32, since it is the on-disk block
116 * address format, __le32.
120 #define COMPRESS_EXT_NUM 16
122 struct f2fs_mount_info {
124 int write_io_size_bits; /* Write IO size bits */
125 block_t root_reserved_blocks; /* root reserved blocks */
126 kuid_t s_resuid; /* reserved blocks for uid */
127 kgid_t s_resgid; /* reserved blocks for gid */
128 int active_logs; /* # of active logs */
129 int inline_xattr_size; /* inline xattr size */
130 #ifdef CONFIG_F2FS_FAULT_INJECTION
131 struct f2fs_fault_info fault_info; /* For fault injection */
134 /* Names of quota files with journalled quota */
135 char *s_qf_names[MAXQUOTAS];
136 int s_jquota_fmt; /* Format of quota to use */
138 /* For which write hints are passed down to block layer */
140 int alloc_mode; /* segment allocation policy */
141 int fsync_mode; /* fsync policy */
142 bool test_dummy_encryption; /* test dummy encryption */
143 block_t unusable_cap; /* Amount of space allowed to be
144 * unusable when disabling checkpoint
147 /* For compression */
148 unsigned char compress_algorithm; /* algorithm type */
149 unsigned compress_log_size; /* cluster log size */
150 unsigned char compress_ext_cnt; /* extension count */
151 unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */
154 #define F2FS_FEATURE_ENCRYPT 0x0001
155 #define F2FS_FEATURE_BLKZONED 0x0002
156 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
157 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
158 #define F2FS_FEATURE_PRJQUOTA 0x0010
159 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
160 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
161 #define F2FS_FEATURE_QUOTA_INO 0x0080
162 #define F2FS_FEATURE_INODE_CRTIME 0x0100
163 #define F2FS_FEATURE_LOST_FOUND 0x0200
164 #define F2FS_FEATURE_VERITY 0x0400
165 #define F2FS_FEATURE_SB_CHKSUM 0x0800
166 #define F2FS_FEATURE_CASEFOLD 0x1000
167 #define F2FS_FEATURE_COMPRESSION 0x2000
169 #define __F2FS_HAS_FEATURE(raw_super, mask) \
170 ((raw_super->feature & cpu_to_le32(mask)) != 0)
171 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
172 #define F2FS_SET_FEATURE(sbi, mask) \
173 (sbi->raw_super->feature |= cpu_to_le32(mask))
174 #define F2FS_CLEAR_FEATURE(sbi, mask) \
175 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
178 * Default values for user and/or group using reserved blocks
180 #define F2FS_DEF_RESUID 0
181 #define F2FS_DEF_RESGID 0
184 * For checkpoint manager
191 #define CP_UMOUNT 0x00000001
192 #define CP_FASTBOOT 0x00000002
193 #define CP_SYNC 0x00000004
194 #define CP_RECOVERY 0x00000008
195 #define CP_DISCARD 0x00000010
196 #define CP_TRIMMED 0x00000020
197 #define CP_PAUSE 0x00000040
199 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
200 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
201 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
202 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
203 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
204 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
205 #define DEF_CP_INTERVAL 60 /* 60 secs */
206 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
207 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
208 #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */
209 #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
219 * indicate meta/data type
228 DATA_GENERIC, /* check range only */
229 DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */
230 DATA_GENERIC_ENHANCE_READ, /*
231 * strong check on range and segment
232 * bitmap but no warning due to race
233 * condition of read on truncated area
239 /* for the list of ino */
241 ORPHAN_INO, /* for orphan ino list */
242 APPEND_INO, /* for append ino list */
243 UPDATE_INO, /* for update ino list */
244 TRANS_DIR_INO, /* for trasactions dir ino list */
245 FLUSH_INO, /* for multiple device flushing */
246 MAX_INO_ENTRY, /* max. list */
250 struct list_head list; /* list head */
251 nid_t ino; /* inode number */
252 unsigned int dirty_device; /* dirty device bitmap */
255 /* for the list of inodes to be GCed */
257 struct list_head list; /* list head */
258 struct inode *inode; /* vfs inode pointer */
261 struct fsync_node_entry {
262 struct list_head list; /* list head */
263 struct page *page; /* warm node page pointer */
264 unsigned int seq_id; /* sequence id */
267 /* for the bitmap indicate blocks to be discarded */
268 struct discard_entry {
269 struct list_head list; /* list head */
270 block_t start_blkaddr; /* start blockaddr of current segment */
271 unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */
274 /* default discard granularity of inner discard thread, unit: block count */
275 #define DEFAULT_DISCARD_GRANULARITY 16
277 /* max discard pend list number */
278 #define MAX_PLIST_NUM 512
279 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
280 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
283 D_PREP, /* initial */
284 D_PARTIAL, /* partially submitted */
285 D_SUBMIT, /* all submitted */
286 D_DONE, /* finished */
289 struct discard_info {
290 block_t lstart; /* logical start address */
291 block_t len; /* length */
292 block_t start; /* actual start address in dev */
296 struct rb_node rb_node; /* rb node located in rb-tree */
299 block_t lstart; /* logical start address */
300 block_t len; /* length */
301 block_t start; /* actual start address in dev */
303 struct discard_info di; /* discard info */
306 struct list_head list; /* command list */
307 struct completion wait; /* compleation */
308 struct block_device *bdev; /* bdev */
309 unsigned short ref; /* reference count */
310 unsigned char state; /* state */
311 unsigned char queued; /* queued discard */
312 int error; /* bio error */
313 spinlock_t lock; /* for state/bio_ref updating */
314 unsigned short bio_ref; /* bio reference count */
325 struct discard_policy {
326 int type; /* type of discard */
327 unsigned int min_interval; /* used for candidates exist */
328 unsigned int mid_interval; /* used for device busy */
329 unsigned int max_interval; /* used for candidates not exist */
330 unsigned int max_requests; /* # of discards issued per round */
331 unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */
332 bool io_aware; /* issue discard in idle time */
333 bool sync; /* submit discard with REQ_SYNC flag */
334 bool ordered; /* issue discard by lba order */
335 unsigned int granularity; /* discard granularity */
336 int timeout; /* discard timeout for put_super */
339 struct discard_cmd_control {
340 struct task_struct *f2fs_issue_discard; /* discard thread */
341 struct list_head entry_list; /* 4KB discard entry list */
342 struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */
343 struct list_head wait_list; /* store on-flushing entries */
344 struct list_head fstrim_list; /* in-flight discard from fstrim */
345 wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */
346 unsigned int discard_wake; /* to wake up discard thread */
347 struct mutex cmd_lock;
348 unsigned int nr_discards; /* # of discards in the list */
349 unsigned int max_discards; /* max. discards to be issued */
350 unsigned int discard_granularity; /* discard granularity */
351 unsigned int undiscard_blks; /* # of undiscard blocks */
352 unsigned int next_pos; /* next discard position */
353 atomic_t issued_discard; /* # of issued discard */
354 atomic_t queued_discard; /* # of queued discard */
355 atomic_t discard_cmd_cnt; /* # of cached cmd count */
356 struct rb_root_cached root; /* root of discard rb-tree */
357 bool rbtree_check; /* config for consistence check */
360 /* for the list of fsync inodes, used only during recovery */
361 struct fsync_inode_entry {
362 struct list_head list; /* list head */
363 struct inode *inode; /* vfs inode pointer */
364 block_t blkaddr; /* block address locating the last fsync */
365 block_t last_dentry; /* block address locating the last dentry */
368 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
369 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
371 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
372 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
373 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
374 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
376 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
377 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
379 static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i)
381 int before = nats_in_cursum(journal);
383 journal->n_nats = cpu_to_le16(before + i);
387 static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i)
389 int before = sits_in_cursum(journal);
391 journal->n_sits = cpu_to_le16(before + i);
395 static inline bool __has_cursum_space(struct f2fs_journal *journal,
398 if (type == NAT_JOURNAL)
399 return size <= MAX_NAT_JENTRIES(journal);
400 return size <= MAX_SIT_JENTRIES(journal);
406 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
407 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
408 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
410 #define F2FS_IOCTL_MAGIC 0xf5
411 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
412 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
413 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
414 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
415 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
416 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
417 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
418 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
419 struct f2fs_defragment)
420 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
421 struct f2fs_move_range)
422 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
423 struct f2fs_flush_device)
424 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
425 struct f2fs_gc_range)
426 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
427 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
428 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
429 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
430 #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
432 #define F2FS_IOC_GET_VOLUME_NAME FS_IOC_GETFSLABEL
433 #define F2FS_IOC_SET_VOLUME_NAME FS_IOC_SETFSLABEL
435 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
436 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
437 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
440 * should be same as XFS_IOC_GOINGDOWN.
441 * Flags for going down operation used by FS_IOC_GOINGDOWN
443 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
444 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
445 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
446 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
447 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
448 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */
450 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
452 * ioctl commands in 32 bit emulation
454 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
455 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
456 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
459 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
460 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
462 struct f2fs_gc_range {
468 struct f2fs_defragment {
473 struct f2fs_move_range {
474 u32 dst_fd; /* destination fd */
475 u64 pos_in; /* start position in src_fd */
476 u64 pos_out; /* start position in dst_fd */
477 u64 len; /* size to move */
480 struct f2fs_flush_device {
481 u32 dev_num; /* device number to flush */
482 u32 segments; /* # of segments to flush */
485 /* for inline stuff */
486 #define DEF_INLINE_RESERVED_SIZE 1
487 static inline int get_extra_isize(struct inode *inode);
488 static inline int get_inline_xattr_addrs(struct inode *inode);
489 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
490 (CUR_ADDRS_PER_INODE(inode) - \
491 get_inline_xattr_addrs(inode) - \
492 DEF_INLINE_RESERVED_SIZE))
495 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
496 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
498 #define INLINE_DENTRY_BITMAP_SIZE(inode) \
499 DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
500 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
501 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
502 NR_INLINE_DENTRY(inode) + \
503 INLINE_DENTRY_BITMAP_SIZE(inode)))
506 * For INODE and NODE manager
508 /* for directory operations */
509 struct f2fs_dentry_ptr {
512 struct f2fs_dir_entry *dentry;
513 __u8 (*filename)[F2FS_SLOT_LEN];
518 static inline void make_dentry_ptr_block(struct inode *inode,
519 struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t)
522 d->max = NR_DENTRY_IN_BLOCK;
523 d->nr_bitmap = SIZE_OF_DENTRY_BITMAP;
524 d->bitmap = t->dentry_bitmap;
525 d->dentry = t->dentry;
526 d->filename = t->filename;
529 static inline void make_dentry_ptr_inline(struct inode *inode,
530 struct f2fs_dentry_ptr *d, void *t)
532 int entry_cnt = NR_INLINE_DENTRY(inode);
533 int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode);
534 int reserved_size = INLINE_RESERVED_SIZE(inode);
538 d->nr_bitmap = bitmap_size;
540 d->dentry = t + bitmap_size + reserved_size;
541 d->filename = t + bitmap_size + reserved_size +
542 SIZE_OF_DIR_ENTRY * entry_cnt;
546 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
547 * as its node offset to distinguish from index node blocks.
548 * But some bits are used to mark the node block.
550 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
553 ALLOC_NODE, /* allocate a new node page if needed */
554 LOOKUP_NODE, /* look up a node without readahead */
556 * look up a node with readahead called
561 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */
563 /* maximum retry quota flush count */
564 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
566 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
568 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
570 /* for in-memory extent cache entry */
571 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
573 /* number of extent info in extent cache we try to shrink */
574 #define EXTENT_CACHE_SHRINK_NUMBER 128
577 struct rb_node rb_node; /* rb node located in rb-tree */
578 unsigned int ofs; /* start offset of the entry */
579 unsigned int len; /* length of the entry */
583 unsigned int fofs; /* start offset in a file */
584 unsigned int len; /* length of the extent */
585 u32 blk; /* start block address of the extent */
589 struct rb_node rb_node; /* rb node located in rb-tree */
590 struct extent_info ei; /* extent info */
591 struct list_head list; /* node in global extent list of sbi */
592 struct extent_tree *et; /* extent tree pointer */
596 nid_t ino; /* inode number */
597 struct rb_root_cached root; /* root of extent info rb-tree */
598 struct extent_node *cached_en; /* recently accessed extent node */
599 struct extent_info largest; /* largested extent info */
600 struct list_head list; /* to be used by sbi->zombie_list */
601 rwlock_t lock; /* protect extent info rb-tree */
602 atomic_t node_cnt; /* # of extent node in rb-tree*/
603 bool largest_updated; /* largest extent updated */
607 * This structure is taken from ext4_map_blocks.
609 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
611 #define F2FS_MAP_NEW (1 << BH_New)
612 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
613 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
614 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
617 struct f2fs_map_blocks {
621 unsigned int m_flags;
622 pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */
623 pgoff_t *m_next_extent; /* point to next possible extent */
625 bool m_may_create; /* indicate it is from write path */
628 /* for flag in get_data_block */
630 F2FS_GET_BLOCK_DEFAULT,
631 F2FS_GET_BLOCK_FIEMAP,
634 F2FS_GET_BLOCK_PRE_DIO,
635 F2FS_GET_BLOCK_PRE_AIO,
636 F2FS_GET_BLOCK_PRECACHE,
640 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
642 #define FADVISE_COLD_BIT 0x01
643 #define FADVISE_LOST_PINO_BIT 0x02
644 #define FADVISE_ENCRYPT_BIT 0x04
645 #define FADVISE_ENC_NAME_BIT 0x08
646 #define FADVISE_KEEP_SIZE_BIT 0x10
647 #define FADVISE_HOT_BIT 0x20
648 #define FADVISE_VERITY_BIT 0x40
650 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
652 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
653 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
654 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
655 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
656 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
657 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
658 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
659 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
660 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
661 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
662 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
663 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
664 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
665 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
666 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
667 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
668 #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
669 #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
671 #define DEF_DIR_LEVEL 0
679 struct f2fs_inode_info {
680 struct inode vfs_inode; /* serve a vfs inode */
681 unsigned long i_flags; /* keep an inode flags for ioctl */
682 unsigned char i_advise; /* use to give file attribute hints */
683 unsigned char i_dir_level; /* use for dentry level for large dir */
684 unsigned int i_current_depth; /* only for directory depth */
685 /* for gc failure statistic */
686 unsigned int i_gc_failures[MAX_GC_FAILURE];
687 unsigned int i_pino; /* parent inode number */
688 umode_t i_acl_mode; /* keep file acl mode temporarily */
690 /* Use below internally in f2fs*/
691 unsigned long flags; /* use to pass per-file flags */
692 struct rw_semaphore i_sem; /* protect fi info */
693 atomic_t dirty_pages; /* # of dirty pages */
694 f2fs_hash_t chash; /* hash value of given file name */
695 unsigned int clevel; /* maximum level of given file name */
696 struct task_struct *task; /* lookup and create consistency */
697 struct task_struct *cp_task; /* separate cp/wb IO stats*/
698 nid_t i_xattr_nid; /* node id that contains xattrs */
699 loff_t last_disk_size; /* lastly written file size */
702 struct dquot *i_dquot[MAXQUOTAS];
704 /* quota space reservation, managed internally by quota code */
705 qsize_t i_reserved_quota;
707 struct list_head dirty_list; /* dirty list for dirs and files */
708 struct list_head gdirty_list; /* linked in global dirty list */
709 struct list_head inmem_ilist; /* list for inmem inodes */
710 struct list_head inmem_pages; /* inmemory pages managed by f2fs */
711 struct task_struct *inmem_task; /* store inmemory task */
712 struct mutex inmem_lock; /* lock for inmemory pages */
713 struct extent_tree *extent_tree; /* cached extent_tree entry */
715 /* avoid racing between foreground op and gc */
716 struct rw_semaphore i_gc_rwsem[2];
717 struct rw_semaphore i_mmap_sem;
718 struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */
720 int i_extra_isize; /* size of extra space located in i_addr */
721 kprojid_t i_projid; /* id for project quota */
722 int i_inline_xattr_size; /* inline xattr size */
723 struct timespec64 i_crtime; /* inode creation time */
724 struct timespec64 i_disk_time[4];/* inode disk times */
726 /* for file compress */
727 u64 i_compr_blocks; /* # of compressed blocks */
728 unsigned char i_compress_algorithm; /* algorithm type */
729 unsigned char i_log_cluster_size; /* log of cluster size */
730 unsigned int i_cluster_size; /* cluster size */
733 static inline void get_extent_info(struct extent_info *ext,
734 struct f2fs_extent *i_ext)
736 ext->fofs = le32_to_cpu(i_ext->fofs);
737 ext->blk = le32_to_cpu(i_ext->blk);
738 ext->len = le32_to_cpu(i_ext->len);
741 static inline void set_raw_extent(struct extent_info *ext,
742 struct f2fs_extent *i_ext)
744 i_ext->fofs = cpu_to_le32(ext->fofs);
745 i_ext->blk = cpu_to_le32(ext->blk);
746 i_ext->len = cpu_to_le32(ext->len);
749 static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
750 u32 blk, unsigned int len)
757 static inline bool __is_discard_mergeable(struct discard_info *back,
758 struct discard_info *front, unsigned int max_len)
760 return (back->lstart + back->len == front->lstart) &&
761 (back->len + front->len <= max_len);
764 static inline bool __is_discard_back_mergeable(struct discard_info *cur,
765 struct discard_info *back, unsigned int max_len)
767 return __is_discard_mergeable(back, cur, max_len);
770 static inline bool __is_discard_front_mergeable(struct discard_info *cur,
771 struct discard_info *front, unsigned int max_len)
773 return __is_discard_mergeable(cur, front, max_len);
776 static inline bool __is_extent_mergeable(struct extent_info *back,
777 struct extent_info *front)
779 return (back->fofs + back->len == front->fofs &&
780 back->blk + back->len == front->blk);
783 static inline bool __is_back_mergeable(struct extent_info *cur,
784 struct extent_info *back)
786 return __is_extent_mergeable(back, cur);
789 static inline bool __is_front_mergeable(struct extent_info *cur,
790 struct extent_info *front)
792 return __is_extent_mergeable(cur, front);
795 extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
796 static inline void __try_update_largest_extent(struct extent_tree *et,
797 struct extent_node *en)
799 if (en->ei.len > et->largest.len) {
800 et->largest = en->ei;
801 et->largest_updated = true;
806 * For free nid management
809 FREE_NID, /* newly added to free nid list */
810 PREALLOC_NID, /* it is preallocated */
814 struct f2fs_nm_info {
815 block_t nat_blkaddr; /* base disk address of NAT */
816 nid_t max_nid; /* maximum possible node ids */
817 nid_t available_nids; /* # of available node ids */
818 nid_t next_scan_nid; /* the next nid to be scanned */
819 unsigned int ram_thresh; /* control the memory footprint */
820 unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */
821 unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */
823 /* NAT cache management */
824 struct radix_tree_root nat_root;/* root of the nat entry cache */
825 struct radix_tree_root nat_set_root;/* root of the nat set cache */
826 struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */
827 struct list_head nat_entries; /* cached nat entry list (clean) */
828 spinlock_t nat_list_lock; /* protect clean nat entry list */
829 unsigned int nat_cnt; /* the # of cached nat entries */
830 unsigned int dirty_nat_cnt; /* total num of nat entries in set */
831 unsigned int nat_blocks; /* # of nat blocks */
833 /* free node ids management */
834 struct radix_tree_root free_nid_root;/* root of the free_nid cache */
835 struct list_head free_nid_list; /* list for free nids excluding preallocated nids */
836 unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */
837 spinlock_t nid_list_lock; /* protect nid lists ops */
838 struct mutex build_lock; /* lock for build free nids */
839 unsigned char **free_nid_bitmap;
840 unsigned char *nat_block_bitmap;
841 unsigned short *free_nid_count; /* free nid count of NAT block */
844 char *nat_bitmap; /* NAT bitmap pointer */
846 unsigned int nat_bits_blocks; /* # of nat bits blocks */
847 unsigned char *nat_bits; /* NAT bits blocks */
848 unsigned char *full_nat_bits; /* full NAT pages */
849 unsigned char *empty_nat_bits; /* empty NAT pages */
850 #ifdef CONFIG_F2FS_CHECK_FS
851 char *nat_bitmap_mir; /* NAT bitmap mirror */
853 int bitmap_size; /* bitmap size */
857 * this structure is used as one of function parameters.
858 * all the information are dedicated to a given direct node block determined
859 * by the data offset in a file.
861 struct dnode_of_data {
862 struct inode *inode; /* vfs inode pointer */
863 struct page *inode_page; /* its inode page, NULL is possible */
864 struct page *node_page; /* cached direct node page */
865 nid_t nid; /* node id of the direct node block */
866 unsigned int ofs_in_node; /* data offset in the node page */
867 bool inode_page_locked; /* inode page is locked or not */
868 bool node_changed; /* is node block changed */
869 char cur_level; /* level of hole node page */
870 char max_level; /* level of current page located */
871 block_t data_blkaddr; /* block address of the node block */
874 static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
875 struct page *ipage, struct page *npage, nid_t nid)
877 memset(dn, 0, sizeof(*dn));
879 dn->inode_page = ipage;
880 dn->node_page = npage;
887 * By default, there are 6 active log areas across the whole main area.
888 * When considering hot and cold data separation to reduce cleaning overhead,
889 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
891 * In the current design, you should not change the numbers intentionally.
892 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
893 * logs individually according to the underlying devices. (default: 6)
894 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
895 * data and 8 for node logs.
897 #define NR_CURSEG_DATA_TYPE (3)
898 #define NR_CURSEG_NODE_TYPE (3)
899 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
902 CURSEG_HOT_DATA = 0, /* directory entry blocks */
903 CURSEG_WARM_DATA, /* data blocks */
904 CURSEG_COLD_DATA, /* multimedia or GCed data blocks */
905 CURSEG_HOT_NODE, /* direct node blocks of directory files */
906 CURSEG_WARM_NODE, /* direct node blocks of normal files */
907 CURSEG_COLD_NODE, /* indirect node blocks */
909 CURSEG_COLD_DATA_PINNED,/* cold data for pinned file */
913 struct completion wait;
914 struct llist_node llnode;
919 struct flush_cmd_control {
920 struct task_struct *f2fs_issue_flush; /* flush thread */
921 wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */
922 atomic_t issued_flush; /* # of issued flushes */
923 atomic_t queued_flush; /* # of queued flushes */
924 struct llist_head issue_list; /* list for command issue */
925 struct llist_node *dispatch_list; /* list for command dispatch */
928 struct f2fs_sm_info {
929 struct sit_info *sit_info; /* whole segment information */
930 struct free_segmap_info *free_info; /* free segment information */
931 struct dirty_seglist_info *dirty_info; /* dirty segment information */
932 struct curseg_info *curseg_array; /* active segment information */
934 struct rw_semaphore curseg_lock; /* for preventing curseg change */
936 block_t seg0_blkaddr; /* block address of 0'th segment */
937 block_t main_blkaddr; /* start block address of main area */
938 block_t ssa_blkaddr; /* start block address of SSA area */
940 unsigned int segment_count; /* total # of segments */
941 unsigned int main_segments; /* # of segments in main area */
942 unsigned int reserved_segments; /* # of reserved segments */
943 unsigned int ovp_segments; /* # of overprovision segments */
945 /* a threshold to reclaim prefree segments */
946 unsigned int rec_prefree_segments;
948 /* for batched trimming */
949 unsigned int trim_sections; /* # of sections to trim */
951 struct list_head sit_entry_set; /* sit entry set list */
953 unsigned int ipu_policy; /* in-place-update policy */
954 unsigned int min_ipu_util; /* in-place-update threshold */
955 unsigned int min_fsync_blocks; /* threshold for fsync */
956 unsigned int min_seq_blocks; /* threshold for sequential blocks */
957 unsigned int min_hot_blocks; /* threshold for hot block allocation */
958 unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */
960 /* for flush command control */
961 struct flush_cmd_control *fcc_info;
963 /* for discard command control */
964 struct discard_cmd_control *dcc_info;
971 * COUNT_TYPE for monitoring
973 * f2fs monitors the number of several block types such as on-writeback,
974 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
976 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
996 * The below are the page types of bios used in submit_bio().
997 * The available types are:
998 * DATA User data pages. It operates as async mode.
999 * NODE Node pages. It operates as async mode.
1000 * META FS metadata pages such as SIT, NAT, CP.
1001 * NR_PAGE_TYPE The number of page types.
1002 * META_FLUSH Make sure the previous pages are written
1003 * with waiting the bio's completion
1004 * ... Only can be used with META.
1006 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
1013 INMEM, /* the below types are used by tracepoints only. */
1022 HOT = 0, /* must be zero for meta bio */
1028 enum need_lock_type {
1034 enum cp_reason_type {
1049 APP_DIRECT_IO, /* app direct IOs */
1050 APP_BUFFERED_IO, /* app buffered IOs */
1051 APP_WRITE_IO, /* app write IOs */
1052 APP_MAPPED_IO, /* app mapped IOs */
1053 FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */
1054 FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */
1055 FS_META_IO, /* meta IOs from kworker/reclaimer */
1056 FS_GC_DATA_IO, /* data IOs from forground gc */
1057 FS_GC_NODE_IO, /* node IOs from forground gc */
1058 FS_CP_DATA_IO, /* data IOs from checkpoint */
1059 FS_CP_NODE_IO, /* node IOs from checkpoint */
1060 FS_CP_META_IO, /* meta IOs from checkpoint */
1061 FS_DISCARD, /* discard */
1065 struct f2fs_io_info {
1066 struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */
1067 nid_t ino; /* inode number */
1068 enum page_type type; /* contains DATA/NODE/META/META_FLUSH */
1069 enum temp_type temp; /* contains HOT/WARM/COLD */
1070 int op; /* contains REQ_OP_ */
1071 int op_flags; /* req_flag_bits */
1072 block_t new_blkaddr; /* new block address to be written */
1073 block_t old_blkaddr; /* old block address before Cow */
1074 struct page *page; /* page to be written */
1075 struct page *encrypted_page; /* encrypted page */
1076 struct page *compressed_page; /* compressed page */
1077 struct list_head list; /* serialize IOs */
1078 bool submitted; /* indicate IO submission */
1079 int need_lock; /* indicate we need to lock cp_rwsem */
1080 bool in_list; /* indicate fio is in io_list */
1081 bool is_por; /* indicate IO is from recovery or not */
1082 bool retry; /* need to reallocate block address */
1083 int compr_blocks; /* # of compressed block addresses */
1084 bool encrypted; /* indicate file is encrypted */
1085 enum iostat_type io_type; /* io type */
1086 struct writeback_control *io_wbc; /* writeback control */
1087 struct bio **bio; /* bio for ipu */
1088 sector_t *last_block; /* last block number in bio */
1089 unsigned char version; /* version of the node */
1094 struct list_head list;
1097 #define is_read_io(rw) ((rw) == READ)
1098 struct f2fs_bio_info {
1099 struct f2fs_sb_info *sbi; /* f2fs superblock */
1100 struct bio *bio; /* bios to merge */
1101 sector_t last_block_in_bio; /* last block number */
1102 struct f2fs_io_info fio; /* store buffered io info. */
1103 struct rw_semaphore io_rwsem; /* blocking op for bio */
1104 spinlock_t io_lock; /* serialize DATA/NODE IOs */
1105 struct list_head io_list; /* track fios */
1106 struct list_head bio_list; /* bio entry list head */
1107 struct rw_semaphore bio_list_lock; /* lock to protect bio entry list */
1110 #define FDEV(i) (sbi->devs[i])
1111 #define RDEV(i) (raw_super->devs[i])
1112 struct f2fs_dev_info {
1113 struct block_device *bdev;
1114 char path[MAX_PATH_LEN];
1115 unsigned int total_segments;
1118 #ifdef CONFIG_BLK_DEV_ZONED
1119 unsigned int nr_blkz; /* Total number of zones */
1120 unsigned long *blkz_seq; /* Bitmap indicating sequential zones */
1125 DIR_INODE, /* for dirty dir inode */
1126 FILE_INODE, /* for dirty regular/symlink inode */
1127 DIRTY_META, /* for all dirtied inode metadata */
1128 ATOMIC_FILE, /* for all atomic files */
1132 /* for inner inode cache management */
1133 struct inode_management {
1134 struct radix_tree_root ino_root; /* ino entry array */
1135 spinlock_t ino_lock; /* for ino entry lock */
1136 struct list_head ino_list; /* inode list head */
1137 unsigned long ino_num; /* number of entries */
1140 /* For s_flag in struct f2fs_sb_info */
1142 SBI_IS_DIRTY, /* dirty flag for checkpoint */
1143 SBI_IS_CLOSE, /* specify unmounting */
1144 SBI_NEED_FSCK, /* need fsck.f2fs to fix */
1145 SBI_POR_DOING, /* recovery is doing or not */
1146 SBI_NEED_SB_WRITE, /* need to recover superblock */
1147 SBI_NEED_CP, /* need to checkpoint */
1148 SBI_IS_SHUTDOWN, /* shutdown by ioctl */
1149 SBI_IS_RECOVERED, /* recovered orphan/data */
1150 SBI_CP_DISABLED, /* CP was disabled last mount */
1151 SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */
1152 SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */
1153 SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */
1154 SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */
1155 SBI_IS_RESIZEFS, /* resizefs is in process */
1164 UMOUNT_DISCARD_TIMEOUT,
1176 WHINT_MODE_OFF, /* not pass down write hints */
1177 WHINT_MODE_USER, /* try to pass down hints given by users */
1178 WHINT_MODE_FS, /* pass down hints with F2FS policy */
1182 ALLOC_MODE_DEFAULT, /* stay default */
1183 ALLOC_MODE_REUSE, /* reuse segments as much as possible */
1187 FSYNC_MODE_POSIX, /* fsync follows posix semantics */
1188 FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */
1189 FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */
1193 * this value is set in page as a private data which indicate that
1194 * the page is atomically written, and it is in inmem_pages list.
1196 #define ATOMIC_WRITTEN_PAGE ((unsigned long)-1)
1197 #define DUMMY_WRITTEN_PAGE ((unsigned long)-2)
1199 #define IS_ATOMIC_WRITTEN_PAGE(page) \
1200 (page_private(page) == (unsigned long)ATOMIC_WRITTEN_PAGE)
1201 #define IS_DUMMY_WRITTEN_PAGE(page) \
1202 (page_private(page) == (unsigned long)DUMMY_WRITTEN_PAGE)
1204 #ifdef CONFIG_FS_ENCRYPTION
1205 #define DUMMY_ENCRYPTION_ENABLED(sbi) \
1206 (unlikely(F2FS_OPTION(sbi).test_dummy_encryption))
1208 #define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
1211 /* For compression */
1212 enum compress_algorithm_type {
1218 #define COMPRESS_DATA_RESERVED_SIZE 4
1219 struct compress_data {
1220 __le32 clen; /* compressed data size */
1221 __le32 chksum; /* checksum of compressed data */
1222 __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */
1223 u8 cdata[]; /* compressed data */
1226 #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
1228 #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
1230 /* compress context */
1231 struct compress_ctx {
1232 struct inode *inode; /* inode the context belong to */
1233 pgoff_t cluster_idx; /* cluster index number */
1234 unsigned int cluster_size; /* page count in cluster */
1235 unsigned int log_cluster_size; /* log of cluster size */
1236 struct page **rpages; /* pages store raw data in cluster */
1237 unsigned int nr_rpages; /* total page number in rpages */
1238 struct page **cpages; /* pages store compressed data in cluster */
1239 unsigned int nr_cpages; /* total page number in cpages */
1240 void *rbuf; /* virtual mapped address on rpages */
1241 struct compress_data *cbuf; /* virtual mapped address on cpages */
1242 size_t rlen; /* valid data length in rbuf */
1243 size_t clen; /* valid data length in cbuf */
1244 void *private; /* payload buffer for specified compression algorithm */
1247 /* compress context for write IO path */
1248 struct compress_io_ctx {
1249 u32 magic; /* magic number to indicate page is compressed */
1250 struct inode *inode; /* inode the context belong to */
1251 struct page **rpages; /* pages store raw data in cluster */
1252 unsigned int nr_rpages; /* total page number in rpages */
1253 refcount_t ref; /* referrence count of raw page */
1256 /* decompress io context for read IO path */
1257 struct decompress_io_ctx {
1258 u32 magic; /* magic number to indicate page is compressed */
1259 struct inode *inode; /* inode the context belong to */
1260 pgoff_t cluster_idx; /* cluster index number */
1261 unsigned int cluster_size; /* page count in cluster */
1262 unsigned int log_cluster_size; /* log of cluster size */
1263 struct page **rpages; /* pages store raw data in cluster */
1264 unsigned int nr_rpages; /* total page number in rpages */
1265 struct page **cpages; /* pages store compressed data in cluster */
1266 unsigned int nr_cpages; /* total page number in cpages */
1267 struct page **tpages; /* temp pages to pad holes in cluster */
1268 void *rbuf; /* virtual mapped address on rpages */
1269 struct compress_data *cbuf; /* virtual mapped address on cpages */
1270 size_t rlen; /* valid data length in rbuf */
1271 size_t clen; /* valid data length in cbuf */
1272 refcount_t ref; /* referrence count of compressed page */
1273 bool failed; /* indicate IO error during decompression */
1276 #define NULL_CLUSTER ((unsigned int)(~0))
1277 #define MIN_COMPRESS_LOG_SIZE 2
1278 #define MAX_COMPRESS_LOG_SIZE 8
1280 struct f2fs_sb_info {
1281 struct super_block *sb; /* pointer to VFS super block */
1282 struct proc_dir_entry *s_proc; /* proc entry */
1283 struct f2fs_super_block *raw_super; /* raw super block pointer */
1284 struct rw_semaphore sb_lock; /* lock for raw super block */
1285 int valid_super_block; /* valid super block no */
1286 unsigned long s_flag; /* flags for sbi */
1287 struct mutex writepages; /* mutex for writepages() */
1288 #ifdef CONFIG_UNICODE
1289 struct unicode_map *s_encoding;
1290 __u16 s_encoding_flags;
1293 #ifdef CONFIG_BLK_DEV_ZONED
1294 unsigned int blocks_per_blkz; /* F2FS blocks per zone */
1295 unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */
1298 /* for node-related operations */
1299 struct f2fs_nm_info *nm_info; /* node manager */
1300 struct inode *node_inode; /* cache node blocks */
1302 /* for segment-related operations */
1303 struct f2fs_sm_info *sm_info; /* segment manager */
1305 /* for bio operations */
1306 struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */
1307 /* keep migration IO order for LFS mode */
1308 struct rw_semaphore io_order_lock;
1309 mempool_t *write_io_dummy; /* Dummy pages */
1311 /* for checkpoint */
1312 struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */
1313 int cur_cp_pack; /* remain current cp pack */
1314 spinlock_t cp_lock; /* for flag in ckpt */
1315 struct inode *meta_inode; /* cache meta blocks */
1316 struct mutex cp_mutex; /* checkpoint procedure lock */
1317 struct rw_semaphore cp_rwsem; /* blocking FS operations */
1318 struct rw_semaphore node_write; /* locking node writes */
1319 struct rw_semaphore node_change; /* locking node change */
1320 wait_queue_head_t cp_wait;
1321 unsigned long last_time[MAX_TIME]; /* to store time in jiffies */
1322 long interval_time[MAX_TIME]; /* to store thresholds */
1324 struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */
1326 spinlock_t fsync_node_lock; /* for node entry lock */
1327 struct list_head fsync_node_list; /* node list head */
1328 unsigned int fsync_seg_id; /* sequence id */
1329 unsigned int fsync_node_num; /* number of node entries */
1331 /* for orphan inode, use 0'th array */
1332 unsigned int max_orphans; /* max orphan inodes */
1334 /* for inode management */
1335 struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */
1336 spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */
1337 struct mutex flush_lock; /* for flush exclusion */
1339 /* for extent tree cache */
1340 struct radix_tree_root extent_tree_root;/* cache extent cache entries */
1341 struct mutex extent_tree_lock; /* locking extent radix tree */
1342 struct list_head extent_list; /* lru list for shrinker */
1343 spinlock_t extent_lock; /* locking extent lru list */
1344 atomic_t total_ext_tree; /* extent tree count */
1345 struct list_head zombie_list; /* extent zombie tree list */
1346 atomic_t total_zombie_tree; /* extent zombie tree count */
1347 atomic_t total_ext_node; /* extent info count */
1349 /* basic filesystem units */
1350 unsigned int log_sectors_per_block; /* log2 sectors per block */
1351 unsigned int log_blocksize; /* log2 block size */
1352 unsigned int blocksize; /* block size */
1353 unsigned int root_ino_num; /* root inode number*/
1354 unsigned int node_ino_num; /* node inode number*/
1355 unsigned int meta_ino_num; /* meta inode number*/
1356 unsigned int log_blocks_per_seg; /* log2 blocks per segment */
1357 unsigned int blocks_per_seg; /* blocks per segment */
1358 unsigned int segs_per_sec; /* segments per section */
1359 unsigned int secs_per_zone; /* sections per zone */
1360 unsigned int total_sections; /* total section count */
1361 struct mutex resize_mutex; /* for resize exclusion */
1362 unsigned int total_node_count; /* total node block count */
1363 unsigned int total_valid_node_count; /* valid node block count */
1364 loff_t max_file_blocks; /* max block index of file */
1365 int dir_level; /* directory level */
1366 int readdir_ra; /* readahead inode in readdir */
1368 block_t user_block_count; /* # of user blocks */
1369 block_t total_valid_block_count; /* # of valid blocks */
1370 block_t discard_blks; /* discard command candidats */
1371 block_t last_valid_block_count; /* for recovery */
1372 block_t reserved_blocks; /* configurable reserved blocks */
1373 block_t current_reserved_blocks; /* current reserved blocks */
1375 /* Additional tracking for no checkpoint mode */
1376 block_t unusable_block_count; /* # of blocks saved by last cp */
1378 unsigned int nquota_files; /* # of quota sysfile */
1379 struct rw_semaphore quota_sem; /* blocking cp for flags */
1381 /* # of pages, see count_type */
1382 atomic_t nr_pages[NR_COUNT_TYPE];
1383 /* # of allocated blocks */
1384 struct percpu_counter alloc_valid_block_count;
1386 /* writeback control */
1387 atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */
1389 /* valid inode count */
1390 struct percpu_counter total_valid_inode_count;
1392 struct f2fs_mount_info mount_opt; /* mount options */
1394 /* for cleaning operations */
1395 struct rw_semaphore gc_lock; /*
1396 * semaphore for GC, avoid
1397 * race between GC and GC or CP
1399 struct f2fs_gc_kthread *gc_thread; /* GC thread */
1400 unsigned int cur_victim_sec; /* current victim section num */
1401 unsigned int gc_mode; /* current GC state */
1402 unsigned int next_victim_seg[2]; /* next segment in victim section */
1403 /* for skip statistic */
1404 unsigned int atomic_files; /* # of opened atomic file */
1405 unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */
1406 unsigned long long skipped_gc_rwsem; /* FG_GC only */
1408 /* threshold for gc trials on pinned files */
1409 u64 gc_pin_file_threshold;
1410 struct rw_semaphore pin_sem;
1412 /* maximum # of trials to find a victim segment for SSR and GC */
1413 unsigned int max_victim_search;
1414 /* migration granularity of garbage collection, unit: segment */
1415 unsigned int migration_granularity;
1418 * for stat information.
1419 * one is for the LFS mode, and the other is for the SSR mode.
1421 #ifdef CONFIG_F2FS_STAT_FS
1422 struct f2fs_stat_info *stat_info; /* FS status information */
1423 atomic_t meta_count[META_MAX]; /* # of meta blocks */
1424 unsigned int segment_count[2]; /* # of allocated segments */
1425 unsigned int block_count[2]; /* # of allocated blocks */
1426 atomic_t inplace_count; /* # of inplace update */
1427 atomic64_t total_hit_ext; /* # of lookup extent cache */
1428 atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */
1429 atomic64_t read_hit_largest; /* # of hit largest extent node */
1430 atomic64_t read_hit_cached; /* # of hit cached extent node */
1431 atomic_t inline_xattr; /* # of inline_xattr inodes */
1432 atomic_t inline_inode; /* # of inline_data inodes */
1433 atomic_t inline_dir; /* # of inline_dentry inodes */
1434 atomic_t compr_inode; /* # of compressed inodes */
1435 atomic_t compr_blocks; /* # of compressed blocks */
1436 atomic_t vw_cnt; /* # of volatile writes */
1437 atomic_t max_aw_cnt; /* max # of atomic writes */
1438 atomic_t max_vw_cnt; /* max # of volatile writes */
1439 unsigned int io_skip_bggc; /* skip background gc for in-flight IO */
1440 unsigned int other_skip_bggc; /* skip background gc for other reasons */
1441 unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */
1443 spinlock_t stat_lock; /* lock for stat operations */
1445 /* For app/fs IO statistics */
1446 spinlock_t iostat_lock;
1447 unsigned long long write_iostat[NR_IO_TYPE];
1450 /* For sysfs suppport */
1451 struct kobject s_kobj;
1452 struct completion s_kobj_unregister;
1454 /* For shrinker support */
1455 struct list_head s_list;
1456 int s_ndevs; /* number of devices */
1457 struct f2fs_dev_info *devs; /* for device list */
1458 unsigned int dirty_device; /* for checkpoint data flush */
1459 spinlock_t dev_lock; /* protect dirty_device */
1460 struct mutex umount_mutex;
1461 unsigned int shrinker_run_no;
1463 /* For write statistics */
1464 u64 sectors_written_start;
1467 /* Reference to checksum algorithm driver via cryptoapi */
1468 struct crypto_shash *s_chksum_driver;
1470 /* Precomputed FS UUID checksum for seeding other checksums */
1471 __u32 s_chksum_seed;
1473 struct workqueue_struct *post_read_wq; /* post read workqueue */
1476 struct f2fs_private_dio {
1477 struct inode *inode;
1479 bio_end_io_t *orig_end_io;
1483 #ifdef CONFIG_F2FS_FAULT_INJECTION
1484 #define f2fs_show_injection_info(sbi, type) \
1485 printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \
1486 KERN_INFO, sbi->sb->s_id, \
1487 f2fs_fault_name[type], \
1488 __func__, __builtin_return_address(0))
1489 static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
1491 struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
1493 if (!ffi->inject_rate)
1496 if (!IS_FAULT_SET(ffi, type))
1499 atomic_inc(&ffi->inject_ops);
1500 if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
1501 atomic_set(&ffi->inject_ops, 0);
1507 #define f2fs_show_injection_info(sbi, type) do { } while (0)
1508 static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
1515 * Test if the mounted volume is a multi-device volume.
1516 * - For a single regular disk volume, sbi->s_ndevs is 0.
1517 * - For a single zoned disk volume, sbi->s_ndevs is 1.
1518 * - For a multi-device volume, sbi->s_ndevs is always 2 or more.
1520 static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi)
1522 return sbi->s_ndevs > 1;
1525 /* For write statistics. Suppose sector size is 512 bytes,
1526 * and the return value is in kbytes. s is of struct f2fs_sb_info.
1528 #define BD_PART_WRITTEN(s) \
1529 (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
1530 (s)->sectors_written_start) >> 1)
1532 static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
1534 unsigned long now = jiffies;
1536 sbi->last_time[type] = now;
1538 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1539 if (type == REQ_TIME) {
1540 sbi->last_time[DISCARD_TIME] = now;
1541 sbi->last_time[GC_TIME] = now;
1545 static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type)
1547 unsigned long interval = sbi->interval_time[type] * HZ;
1549 return time_after(jiffies, sbi->last_time[type] + interval);
1552 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi,
1555 unsigned long interval = sbi->interval_time[type] * HZ;
1556 unsigned int wait_ms = 0;
1559 delta = (sbi->last_time[type] + interval) - jiffies;
1561 wait_ms = jiffies_to_msecs(delta);
1569 static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc,
1570 const void *address, unsigned int length)
1573 struct shash_desc shash;
1578 BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx));
1580 desc.shash.tfm = sbi->s_chksum_driver;
1581 *(u32 *)desc.ctx = crc;
1583 err = crypto_shash_update(&desc.shash, address, length);
1586 return *(u32 *)desc.ctx;
1589 static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address,
1590 unsigned int length)
1592 return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length);
1595 static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc,
1596 void *buf, size_t buf_size)
1598 return f2fs_crc32(sbi, buf, buf_size) == blk_crc;
1601 static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc,
1602 const void *address, unsigned int length)
1604 return __f2fs_crc32(sbi, crc, address, length);
1607 static inline struct f2fs_inode_info *F2FS_I(struct inode *inode)
1609 return container_of(inode, struct f2fs_inode_info, vfs_inode);
1612 static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb)
1614 return sb->s_fs_info;
1617 static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode)
1619 return F2FS_SB(inode->i_sb);
1622 static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping)
1624 return F2FS_I_SB(mapping->host);
1627 static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page)
1629 return F2FS_M_SB(page_file_mapping(page));
1632 static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi)
1634 return (struct f2fs_super_block *)(sbi->raw_super);
1637 static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi)
1639 return (struct f2fs_checkpoint *)(sbi->ckpt);
1642 static inline struct f2fs_node *F2FS_NODE(struct page *page)
1644 return (struct f2fs_node *)page_address(page);
1647 static inline struct f2fs_inode *F2FS_INODE(struct page *page)
1649 return &((struct f2fs_node *)page_address(page))->i;
1652 static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
1654 return (struct f2fs_nm_info *)(sbi->nm_info);
1657 static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi)
1659 return (struct f2fs_sm_info *)(sbi->sm_info);
1662 static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi)
1664 return (struct sit_info *)(SM_I(sbi)->sit_info);
1667 static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi)
1669 return (struct free_segmap_info *)(SM_I(sbi)->free_info);
1672 static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi)
1674 return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info);
1677 static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi)
1679 return sbi->meta_inode->i_mapping;
1682 static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi)
1684 return sbi->node_inode->i_mapping;
1687 static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type)
1689 return test_bit(type, &sbi->s_flag);
1692 static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
1694 set_bit(type, &sbi->s_flag);
1697 static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
1699 clear_bit(type, &sbi->s_flag);
1702 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
1704 return le64_to_cpu(cp->checkpoint_ver);
1707 static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type)
1709 if (type < F2FS_MAX_QUOTAS)
1710 return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]);
1714 static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp)
1716 size_t crc_offset = le32_to_cpu(cp->checksum_offset);
1717 return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset)));
1720 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
1722 unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
1724 return ckpt_flags & f;
1727 static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
1729 return __is_set_ckpt_flags(F2FS_CKPT(sbi), f);
1732 static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
1734 unsigned int ckpt_flags;
1736 ckpt_flags = le32_to_cpu(cp->ckpt_flags);
1738 cp->ckpt_flags = cpu_to_le32(ckpt_flags);
1741 static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
1743 unsigned long flags;
1745 spin_lock_irqsave(&sbi->cp_lock, flags);
1746 __set_ckpt_flags(F2FS_CKPT(sbi), f);
1747 spin_unlock_irqrestore(&sbi->cp_lock, flags);
1750 static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
1752 unsigned int ckpt_flags;
1754 ckpt_flags = le32_to_cpu(cp->ckpt_flags);
1756 cp->ckpt_flags = cpu_to_le32(ckpt_flags);
1759 static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
1761 unsigned long flags;
1763 spin_lock_irqsave(&sbi->cp_lock, flags);
1764 __clear_ckpt_flags(F2FS_CKPT(sbi), f);
1765 spin_unlock_irqrestore(&sbi->cp_lock, flags);
1768 static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)
1770 unsigned long flags;
1771 unsigned char *nat_bits;
1774 * In order to re-enable nat_bits we need to call fsck.f2fs by
1775 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
1776 * so let's rely on regular fsck or unclean shutdown.
1780 spin_lock_irqsave(&sbi->cp_lock, flags);
1781 __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);
1782 nat_bits = NM_I(sbi)->nat_bits;
1783 NM_I(sbi)->nat_bits = NULL;
1785 spin_unlock_irqrestore(&sbi->cp_lock, flags);
1790 static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi,
1791 struct cp_control *cpc)
1793 bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
1795 return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set;
1798 static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
1800 down_read(&sbi->cp_rwsem);
1803 static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi)
1805 return down_read_trylock(&sbi->cp_rwsem);
1808 static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi)
1810 up_read(&sbi->cp_rwsem);
1813 static inline void f2fs_lock_all(struct f2fs_sb_info *sbi)
1815 down_write(&sbi->cp_rwsem);
1818 static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi)
1820 up_write(&sbi->cp_rwsem);
1823 static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
1825 int reason = CP_SYNC;
1827 if (test_opt(sbi, FASTBOOT))
1828 reason = CP_FASTBOOT;
1829 if (is_sbi_flag_set(sbi, SBI_IS_CLOSE))
1834 static inline bool __remain_node_summaries(int reason)
1836 return (reason & (CP_UMOUNT | CP_FASTBOOT));
1839 static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi)
1841 return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) ||
1842 is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG));
1846 * Check whether the inode has blocks or not
1848 static inline int F2FS_HAS_BLOCKS(struct inode *inode)
1850 block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0;
1852 return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block;
1855 static inline bool f2fs_has_xattr_block(unsigned int ofs)
1857 return ofs == XATTR_NODE_OFFSET;
1860 static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
1861 struct inode *inode, bool cap)
1865 if (!test_opt(sbi, RESERVE_ROOT))
1867 if (IS_NOQUOTA(inode))
1869 if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid()))
1871 if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) &&
1872 in_group_p(F2FS_OPTION(sbi).s_resgid))
1874 if (cap && capable(CAP_SYS_RESOURCE))
1879 static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool);
1880 static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
1881 struct inode *inode, blkcnt_t *count)
1883 blkcnt_t diff = 0, release = 0;
1884 block_t avail_user_block_count;
1887 ret = dquot_reserve_block(inode, *count);
1891 if (time_to_inject(sbi, FAULT_BLOCK)) {
1892 f2fs_show_injection_info(sbi, FAULT_BLOCK);
1898 * let's increase this in prior to actual block count change in order
1899 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1901 percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
1903 spin_lock(&sbi->stat_lock);
1904 sbi->total_valid_block_count += (block_t)(*count);
1905 avail_user_block_count = sbi->user_block_count -
1906 sbi->current_reserved_blocks;
1908 if (!__allow_reserved_blocks(sbi, inode, true))
1909 avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
1910 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
1911 if (avail_user_block_count > sbi->unusable_block_count)
1912 avail_user_block_count -= sbi->unusable_block_count;
1914 avail_user_block_count = 0;
1916 if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) {
1917 diff = sbi->total_valid_block_count - avail_user_block_count;
1922 sbi->total_valid_block_count -= diff;
1924 spin_unlock(&sbi->stat_lock);
1928 spin_unlock(&sbi->stat_lock);
1930 if (unlikely(release)) {
1931 percpu_counter_sub(&sbi->alloc_valid_block_count, release);
1932 dquot_release_reservation_block(inode, release);
1934 f2fs_i_blocks_write(inode, *count, true, true);
1938 percpu_counter_sub(&sbi->alloc_valid_block_count, release);
1940 dquot_release_reservation_block(inode, release);
1945 void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...);
1947 #define f2fs_err(sbi, fmt, ...) \
1948 f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
1949 #define f2fs_warn(sbi, fmt, ...) \
1950 f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
1951 #define f2fs_notice(sbi, fmt, ...) \
1952 f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
1953 #define f2fs_info(sbi, fmt, ...) \
1954 f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
1955 #define f2fs_debug(sbi, fmt, ...) \
1956 f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
1958 static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
1959 struct inode *inode,
1962 blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK;
1964 spin_lock(&sbi->stat_lock);
1965 f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);
1966 sbi->total_valid_block_count -= (block_t)count;
1967 if (sbi->reserved_blocks &&
1968 sbi->current_reserved_blocks < sbi->reserved_blocks)
1969 sbi->current_reserved_blocks = min(sbi->reserved_blocks,
1970 sbi->current_reserved_blocks + count);
1971 spin_unlock(&sbi->stat_lock);
1972 if (unlikely(inode->i_blocks < sectors)) {
1973 f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
1975 (unsigned long long)inode->i_blocks,
1976 (unsigned long long)sectors);
1977 set_sbi_flag(sbi, SBI_NEED_FSCK);
1980 f2fs_i_blocks_write(inode, count, false, true);
1983 static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
1985 atomic_inc(&sbi->nr_pages[count_type]);
1987 if (count_type == F2FS_DIRTY_DENTS ||
1988 count_type == F2FS_DIRTY_NODES ||
1989 count_type == F2FS_DIRTY_META ||
1990 count_type == F2FS_DIRTY_QDATA ||
1991 count_type == F2FS_DIRTY_IMETA)
1992 set_sbi_flag(sbi, SBI_IS_DIRTY);
1995 static inline void inode_inc_dirty_pages(struct inode *inode)
1997 atomic_inc(&F2FS_I(inode)->dirty_pages);
1998 inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
1999 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
2000 if (IS_NOQUOTA(inode))
2001 inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
2004 static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
2006 atomic_dec(&sbi->nr_pages[count_type]);
2009 static inline void inode_dec_dirty_pages(struct inode *inode)
2011 if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
2012 !S_ISLNK(inode->i_mode))
2015 atomic_dec(&F2FS_I(inode)->dirty_pages);
2016 dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
2017 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
2018 if (IS_NOQUOTA(inode))
2019 dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
2022 static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
2024 return atomic_read(&sbi->nr_pages[count_type]);
2027 static inline int get_dirty_pages(struct inode *inode)
2029 return atomic_read(&F2FS_I(inode)->dirty_pages);
2032 static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
2034 unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
2035 unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
2036 sbi->log_blocks_per_seg;
2038 return segs / sbi->segs_per_sec;
2041 static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
2043 return sbi->total_valid_block_count;
2046 static inline block_t discard_blocks(struct f2fs_sb_info *sbi)
2048 return sbi->discard_blks;
2051 static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag)
2053 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
2055 /* return NAT or SIT bitmap */
2056 if (flag == NAT_BITMAP)
2057 return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
2058 else if (flag == SIT_BITMAP)
2059 return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
2064 static inline block_t __cp_payload(struct f2fs_sb_info *sbi)
2066 return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
2069 static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
2071 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
2074 if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
2075 offset = (flag == SIT_BITMAP) ?
2076 le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0;
2078 * if large_nat_bitmap feature is enabled, leave checksum
2079 * protection for all nat/sit bitmaps.
2081 return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32);
2084 if (__cp_payload(sbi) > 0) {
2085 if (flag == NAT_BITMAP)
2086 return &ckpt->sit_nat_version_bitmap;
2088 return (unsigned char *)ckpt + F2FS_BLKSIZE;
2090 offset = (flag == NAT_BITMAP) ?
2091 le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
2092 return &ckpt->sit_nat_version_bitmap + offset;
2096 static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
2098 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
2100 if (sbi->cur_cp_pack == 2)
2101 start_addr += sbi->blocks_per_seg;
2105 static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
2107 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
2109 if (sbi->cur_cp_pack == 1)
2110 start_addr += sbi->blocks_per_seg;
2114 static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi)
2116 sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1;
2119 static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)
2121 return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum);
2124 static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
2125 struct inode *inode, bool is_inode)
2127 block_t valid_block_count;
2128 unsigned int valid_node_count, user_block_count;
2133 err = dquot_alloc_inode(inode);
2138 err = dquot_reserve_block(inode, 1);
2143 if (time_to_inject(sbi, FAULT_BLOCK)) {
2144 f2fs_show_injection_info(sbi, FAULT_BLOCK);
2148 spin_lock(&sbi->stat_lock);
2150 valid_block_count = sbi->total_valid_block_count +
2151 sbi->current_reserved_blocks + 1;
2153 if (!__allow_reserved_blocks(sbi, inode, false))
2154 valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
2155 user_block_count = sbi->user_block_count;
2156 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
2157 user_block_count -= sbi->unusable_block_count;
2159 if (unlikely(valid_block_count > user_block_count)) {
2160 spin_unlock(&sbi->stat_lock);
2164 valid_node_count = sbi->total_valid_node_count + 1;
2165 if (unlikely(valid_node_count > sbi->total_node_count)) {
2166 spin_unlock(&sbi->stat_lock);
2170 sbi->total_valid_node_count++;
2171 sbi->total_valid_block_count++;
2172 spin_unlock(&sbi->stat_lock);
2176 f2fs_mark_inode_dirty_sync(inode, true);
2178 f2fs_i_blocks_write(inode, 1, true, true);
2181 percpu_counter_inc(&sbi->alloc_valid_block_count);
2187 dquot_free_inode(inode);
2189 dquot_release_reservation_block(inode, 1);
2194 static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
2195 struct inode *inode, bool is_inode)
2197 spin_lock(&sbi->stat_lock);
2199 f2fs_bug_on(sbi, !sbi->total_valid_block_count);
2200 f2fs_bug_on(sbi, !sbi->total_valid_node_count);
2202 sbi->total_valid_node_count--;
2203 sbi->total_valid_block_count--;
2204 if (sbi->reserved_blocks &&
2205 sbi->current_reserved_blocks < sbi->reserved_blocks)
2206 sbi->current_reserved_blocks++;
2208 spin_unlock(&sbi->stat_lock);
2211 dquot_free_inode(inode);
2213 if (unlikely(inode->i_blocks == 0)) {
2214 f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu",
2216 (unsigned long long)inode->i_blocks);
2217 set_sbi_flag(sbi, SBI_NEED_FSCK);
2220 f2fs_i_blocks_write(inode, 1, false, true);
2224 static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi)
2226 return sbi->total_valid_node_count;
2229 static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
2231 percpu_counter_inc(&sbi->total_valid_inode_count);
2234 static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi)
2236 percpu_counter_dec(&sbi->total_valid_inode_count);
2239 static inline s64 valid_inode_count(struct f2fs_sb_info *sbi)
2241 return percpu_counter_sum_positive(&sbi->total_valid_inode_count);
2244 static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
2245 pgoff_t index, bool for_write)
2249 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) {
2251 page = find_get_page_flags(mapping, index,
2252 FGP_LOCK | FGP_ACCESSED);
2254 page = find_lock_page(mapping, index);
2258 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) {
2259 f2fs_show_injection_info(F2FS_M_SB(mapping),
2266 return grab_cache_page(mapping, index);
2267 return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
2270 static inline struct page *f2fs_pagecache_get_page(
2271 struct address_space *mapping, pgoff_t index,
2272 int fgp_flags, gfp_t gfp_mask)
2274 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) {
2275 f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET);
2279 return pagecache_get_page(mapping, index, fgp_flags, gfp_mask);
2282 static inline void f2fs_copy_page(struct page *src, struct page *dst)
2284 char *src_kaddr = kmap(src);
2285 char *dst_kaddr = kmap(dst);
2287 memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
2292 static inline void f2fs_put_page(struct page *page, int unlock)
2298 f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page));
2304 static inline void f2fs_put_dnode(struct dnode_of_data *dn)
2307 f2fs_put_page(dn->node_page, 1);
2308 if (dn->inode_page && dn->node_page != dn->inode_page)
2309 f2fs_put_page(dn->inode_page, 0);
2310 dn->node_page = NULL;
2311 dn->inode_page = NULL;
2314 static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
2317 return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL);
2320 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
2325 entry = kmem_cache_alloc(cachep, flags);
2327 entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL);
2331 static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
2333 if (sbi->gc_mode == GC_URGENT)
2336 if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
2337 get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) ||
2338 get_pages(sbi, F2FS_WB_CP_DATA) ||
2339 get_pages(sbi, F2FS_DIO_READ) ||
2340 get_pages(sbi, F2FS_DIO_WRITE))
2343 if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info &&
2344 atomic_read(&SM_I(sbi)->dcc_info->queued_discard))
2347 if (SM_I(sbi) && SM_I(sbi)->fcc_info &&
2348 atomic_read(&SM_I(sbi)->fcc_info->queued_flush))
2351 return f2fs_time_over(sbi, type);
2354 static inline void f2fs_radix_tree_insert(struct radix_tree_root *root,
2355 unsigned long index, void *item)
2357 while (radix_tree_insert(root, index, item))
2361 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2363 static inline bool IS_INODE(struct page *page)
2365 struct f2fs_node *p = F2FS_NODE(page);
2367 return RAW_IS_INODE(p);
2370 static inline int offset_in_addr(struct f2fs_inode *i)
2372 return (i->i_inline & F2FS_EXTRA_ATTR) ?
2373 (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0;
2376 static inline __le32 *blkaddr_in_node(struct f2fs_node *node)
2378 return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr;
2381 static inline int f2fs_has_extra_attr(struct inode *inode);
2382 static inline block_t datablock_addr(struct inode *inode,
2383 struct page *node_page, unsigned int offset)
2385 struct f2fs_node *raw_node;
2388 bool is_inode = IS_INODE(node_page);
2390 raw_node = F2FS_NODE(node_page);
2392 /* from GC path only */
2395 base = offset_in_addr(&raw_node->i);
2396 else if (f2fs_has_extra_attr(inode))
2397 base = get_extra_isize(inode);
2400 addr_array = blkaddr_in_node(raw_node);
2401 return le32_to_cpu(addr_array[base + offset]);
2404 static inline int f2fs_test_bit(unsigned int nr, char *addr)
2409 mask = 1 << (7 - (nr & 0x07));
2410 return mask & *addr;
2413 static inline void f2fs_set_bit(unsigned int nr, char *addr)
2418 mask = 1 << (7 - (nr & 0x07));
2422 static inline void f2fs_clear_bit(unsigned int nr, char *addr)
2427 mask = 1 << (7 - (nr & 0x07));
2431 static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr)
2437 mask = 1 << (7 - (nr & 0x07));
2443 static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr)
2449 mask = 1 << (7 - (nr & 0x07));
2455 static inline void f2fs_change_bit(unsigned int nr, char *addr)
2460 mask = 1 << (7 - (nr & 0x07));
2465 * On-disk inode flags (f2fs_inode::i_flags)
2467 #define F2FS_COMPR_FL 0x00000004 /* Compress file */
2468 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2469 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2470 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2471 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2472 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2473 #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */
2474 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2475 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2476 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2477 #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */
2479 /* Flags that should be inherited by new inodes from their parent. */
2480 #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
2481 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2482 F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL)
2484 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2485 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2488 /* Flags that are appropriate for non-directories/regular files. */
2489 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2491 static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
2495 else if (S_ISREG(mode))
2496 return flags & F2FS_REG_FLMASK;
2498 return flags & F2FS_OTHER_FLMASK;
2501 /* used for f2fs_inode_info->flags */
2503 FI_NEW_INODE, /* indicate newly allocated inode */
2504 FI_DIRTY_INODE, /* indicate inode is dirty or not */
2505 FI_AUTO_RECOVER, /* indicate inode is recoverable */
2506 FI_DIRTY_DIR, /* indicate directory has dirty pages */
2507 FI_INC_LINK, /* need to increment i_nlink */
2508 FI_ACL_MODE, /* indicate acl mode */
2509 FI_NO_ALLOC, /* should not allocate any blocks */
2510 FI_FREE_NID, /* free allocated nide */
2511 FI_NO_EXTENT, /* not to use the extent cache */
2512 FI_INLINE_XATTR, /* used for inline xattr */
2513 FI_INLINE_DATA, /* used for inline data*/
2514 FI_INLINE_DENTRY, /* used for inline dentry */
2515 FI_APPEND_WRITE, /* inode has appended data */
2516 FI_UPDATE_WRITE, /* inode has in-place-update data */
2517 FI_NEED_IPU, /* used for ipu per file */
2518 FI_ATOMIC_FILE, /* indicate atomic file */
2519 FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */
2520 FI_VOLATILE_FILE, /* indicate volatile file */
2521 FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */
2522 FI_DROP_CACHE, /* drop dirty page cache */
2523 FI_DATA_EXIST, /* indicate data exists */
2524 FI_INLINE_DOTS, /* indicate inline dot dentries */
2525 FI_DO_DEFRAG, /* indicate defragment is running */
2526 FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */
2527 FI_NO_PREALLOC, /* indicate skipped preallocated blocks */
2528 FI_HOT_DATA, /* indicate file is hot */
2529 FI_EXTRA_ATTR, /* indicate file has extra attribute */
2530 FI_PROJ_INHERIT, /* indicate file inherits projectid */
2531 FI_PIN_FILE, /* indicate file should not be gced */
2532 FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */
2533 FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */
2534 FI_COMPRESSED_FILE, /* indicate file's data can be compressed */
2535 FI_MMAP_FILE, /* indicate file was mmapped */
2538 static inline void __mark_inode_dirty_flag(struct inode *inode,
2542 case FI_INLINE_XATTR:
2543 case FI_INLINE_DATA:
2544 case FI_INLINE_DENTRY:
2550 case FI_INLINE_DOTS:
2552 case FI_COMPRESSED_FILE:
2553 f2fs_mark_inode_dirty_sync(inode, true);
2557 static inline void set_inode_flag(struct inode *inode, int flag)
2559 if (!test_bit(flag, &F2FS_I(inode)->flags))
2560 set_bit(flag, &F2FS_I(inode)->flags);
2561 __mark_inode_dirty_flag(inode, flag, true);
2564 static inline int is_inode_flag_set(struct inode *inode, int flag)
2566 return test_bit(flag, &F2FS_I(inode)->flags);
2569 static inline void clear_inode_flag(struct inode *inode, int flag)
2571 if (test_bit(flag, &F2FS_I(inode)->flags))
2572 clear_bit(flag, &F2FS_I(inode)->flags);
2573 __mark_inode_dirty_flag(inode, flag, false);
2576 static inline bool f2fs_verity_in_progress(struct inode *inode)
2578 return IS_ENABLED(CONFIG_FS_VERITY) &&
2579 is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS);
2582 static inline void set_acl_inode(struct inode *inode, umode_t mode)
2584 F2FS_I(inode)->i_acl_mode = mode;
2585 set_inode_flag(inode, FI_ACL_MODE);
2586 f2fs_mark_inode_dirty_sync(inode, false);
2589 static inline void f2fs_i_links_write(struct inode *inode, bool inc)
2595 f2fs_mark_inode_dirty_sync(inode, true);
2598 static inline void f2fs_i_blocks_write(struct inode *inode,
2599 block_t diff, bool add, bool claim)
2601 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
2602 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
2604 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2607 dquot_claim_block(inode, diff);
2609 dquot_alloc_block_nofail(inode, diff);
2611 dquot_free_block(inode, diff);
2614 f2fs_mark_inode_dirty_sync(inode, true);
2615 if (clean || recover)
2616 set_inode_flag(inode, FI_AUTO_RECOVER);
2619 static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size)
2621 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
2622 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
2624 if (i_size_read(inode) == i_size)
2627 i_size_write(inode, i_size);
2628 f2fs_mark_inode_dirty_sync(inode, true);
2629 if (clean || recover)
2630 set_inode_flag(inode, FI_AUTO_RECOVER);
2633 static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
2635 F2FS_I(inode)->i_current_depth = depth;
2636 f2fs_mark_inode_dirty_sync(inode, true);
2639 static inline void f2fs_i_gc_failures_write(struct inode *inode,
2642 F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count;
2643 f2fs_mark_inode_dirty_sync(inode, true);
2646 static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid)
2648 F2FS_I(inode)->i_xattr_nid = xnid;
2649 f2fs_mark_inode_dirty_sync(inode, true);
2652 static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino)
2654 F2FS_I(inode)->i_pino = pino;
2655 f2fs_mark_inode_dirty_sync(inode, true);
2658 static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
2660 struct f2fs_inode_info *fi = F2FS_I(inode);
2662 if (ri->i_inline & F2FS_INLINE_XATTR)
2663 set_bit(FI_INLINE_XATTR, &fi->flags);
2664 if (ri->i_inline & F2FS_INLINE_DATA)
2665 set_bit(FI_INLINE_DATA, &fi->flags);
2666 if (ri->i_inline & F2FS_INLINE_DENTRY)
2667 set_bit(FI_INLINE_DENTRY, &fi->flags);
2668 if (ri->i_inline & F2FS_DATA_EXIST)
2669 set_bit(FI_DATA_EXIST, &fi->flags);
2670 if (ri->i_inline & F2FS_INLINE_DOTS)
2671 set_bit(FI_INLINE_DOTS, &fi->flags);
2672 if (ri->i_inline & F2FS_EXTRA_ATTR)
2673 set_bit(FI_EXTRA_ATTR, &fi->flags);
2674 if (ri->i_inline & F2FS_PIN_FILE)
2675 set_bit(FI_PIN_FILE, &fi->flags);
2678 static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
2682 if (is_inode_flag_set(inode, FI_INLINE_XATTR))
2683 ri->i_inline |= F2FS_INLINE_XATTR;
2684 if (is_inode_flag_set(inode, FI_INLINE_DATA))
2685 ri->i_inline |= F2FS_INLINE_DATA;
2686 if (is_inode_flag_set(inode, FI_INLINE_DENTRY))
2687 ri->i_inline |= F2FS_INLINE_DENTRY;
2688 if (is_inode_flag_set(inode, FI_DATA_EXIST))
2689 ri->i_inline |= F2FS_DATA_EXIST;
2690 if (is_inode_flag_set(inode, FI_INLINE_DOTS))
2691 ri->i_inline |= F2FS_INLINE_DOTS;
2692 if (is_inode_flag_set(inode, FI_EXTRA_ATTR))
2693 ri->i_inline |= F2FS_EXTRA_ATTR;
2694 if (is_inode_flag_set(inode, FI_PIN_FILE))
2695 ri->i_inline |= F2FS_PIN_FILE;
2698 static inline int f2fs_has_extra_attr(struct inode *inode)
2700 return is_inode_flag_set(inode, FI_EXTRA_ATTR);
2703 static inline int f2fs_has_inline_xattr(struct inode *inode)
2705 return is_inode_flag_set(inode, FI_INLINE_XATTR);
2708 static inline int f2fs_compressed_file(struct inode *inode)
2710 return S_ISREG(inode->i_mode) &&
2711 is_inode_flag_set(inode, FI_COMPRESSED_FILE);
2714 static inline unsigned int addrs_per_inode(struct inode *inode)
2716 unsigned int addrs = CUR_ADDRS_PER_INODE(inode) -
2717 get_inline_xattr_addrs(inode);
2719 if (!f2fs_compressed_file(inode))
2721 return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size);
2724 static inline unsigned int addrs_per_block(struct inode *inode)
2726 if (!f2fs_compressed_file(inode))
2727 return DEF_ADDRS_PER_BLOCK;
2728 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size);
2731 static inline void *inline_xattr_addr(struct inode *inode, struct page *page)
2733 struct f2fs_inode *ri = F2FS_INODE(page);
2735 return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE -
2736 get_inline_xattr_addrs(inode)]);
2739 static inline int inline_xattr_size(struct inode *inode)
2741 if (f2fs_has_inline_xattr(inode))
2742 return get_inline_xattr_addrs(inode) * sizeof(__le32);
2746 static inline int f2fs_has_inline_data(struct inode *inode)
2748 return is_inode_flag_set(inode, FI_INLINE_DATA);
2751 static inline int f2fs_exist_data(struct inode *inode)
2753 return is_inode_flag_set(inode, FI_DATA_EXIST);
2756 static inline int f2fs_has_inline_dots(struct inode *inode)
2758 return is_inode_flag_set(inode, FI_INLINE_DOTS);
2761 static inline int f2fs_is_mmap_file(struct inode *inode)
2763 return is_inode_flag_set(inode, FI_MMAP_FILE);
2766 static inline bool f2fs_is_pinned_file(struct inode *inode)
2768 return is_inode_flag_set(inode, FI_PIN_FILE);
2771 static inline bool f2fs_is_atomic_file(struct inode *inode)
2773 return is_inode_flag_set(inode, FI_ATOMIC_FILE);
2776 static inline bool f2fs_is_commit_atomic_write(struct inode *inode)
2778 return is_inode_flag_set(inode, FI_ATOMIC_COMMIT);
2781 static inline bool f2fs_is_volatile_file(struct inode *inode)
2783 return is_inode_flag_set(inode, FI_VOLATILE_FILE);
2786 static inline bool f2fs_is_first_block_written(struct inode *inode)
2788 return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN);
2791 static inline bool f2fs_is_drop_cache(struct inode *inode)
2793 return is_inode_flag_set(inode, FI_DROP_CACHE);
2796 static inline void *inline_data_addr(struct inode *inode, struct page *page)
2798 struct f2fs_inode *ri = F2FS_INODE(page);
2799 int extra_size = get_extra_isize(inode);
2801 return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]);
2804 static inline int f2fs_has_inline_dentry(struct inode *inode)
2806 return is_inode_flag_set(inode, FI_INLINE_DENTRY);
2809 static inline int is_file(struct inode *inode, int type)
2811 return F2FS_I(inode)->i_advise & type;
2814 static inline void set_file(struct inode *inode, int type)
2816 F2FS_I(inode)->i_advise |= type;
2817 f2fs_mark_inode_dirty_sync(inode, true);
2820 static inline void clear_file(struct inode *inode, int type)
2822 F2FS_I(inode)->i_advise &= ~type;
2823 f2fs_mark_inode_dirty_sync(inode, true);
2826 static inline bool f2fs_is_time_consistent(struct inode *inode)
2828 if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime))
2830 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime))
2832 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime))
2834 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3,
2835 &F2FS_I(inode)->i_crtime))
2840 static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync)
2845 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
2847 spin_lock(&sbi->inode_lock[DIRTY_META]);
2848 ret = list_empty(&F2FS_I(inode)->gdirty_list);
2849 spin_unlock(&sbi->inode_lock[DIRTY_META]);
2852 if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) ||
2853 file_keep_isize(inode) ||
2854 i_size_read(inode) & ~PAGE_MASK)
2857 if (!f2fs_is_time_consistent(inode))
2860 down_read(&F2FS_I(inode)->i_sem);
2861 ret = F2FS_I(inode)->last_disk_size == i_size_read(inode);
2862 up_read(&F2FS_I(inode)->i_sem);
2867 static inline bool f2fs_readonly(struct super_block *sb)
2869 return sb_rdonly(sb);
2872 static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi)
2874 return is_set_ckpt_flags(sbi, CP_ERROR_FLAG);
2877 static inline bool is_dot_dotdot(const struct qstr *str)
2879 if (str->len == 1 && str->name[0] == '.')
2882 if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.')
2888 static inline bool f2fs_may_extent_tree(struct inode *inode)
2890 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
2892 if (!test_opt(sbi, EXTENT_CACHE) ||
2893 is_inode_flag_set(inode, FI_NO_EXTENT) ||
2894 is_inode_flag_set(inode, FI_COMPRESSED_FILE))
2898 * for recovered files during mount do not create extents
2899 * if shrinker is not registered.
2901 if (list_empty(&sbi->s_list))
2904 return S_ISREG(inode->i_mode);
2907 static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
2908 size_t size, gfp_t flags)
2912 if (time_to_inject(sbi, FAULT_KMALLOC)) {
2913 f2fs_show_injection_info(sbi, FAULT_KMALLOC);
2917 ret = kmalloc(size, flags);
2921 return kvmalloc(size, flags);
2924 static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
2925 size_t size, gfp_t flags)
2927 return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO);
2930 static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
2931 size_t size, gfp_t flags)
2933 if (time_to_inject(sbi, FAULT_KVMALLOC)) {
2934 f2fs_show_injection_info(sbi, FAULT_KVMALLOC);
2938 return kvmalloc(size, flags);
2941 static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi,
2942 size_t size, gfp_t flags)
2944 return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO);
2947 static inline int get_extra_isize(struct inode *inode)
2949 return F2FS_I(inode)->i_extra_isize / sizeof(__le32);
2952 static inline int get_inline_xattr_addrs(struct inode *inode)
2954 return F2FS_I(inode)->i_inline_xattr_size;
2957 #define f2fs_get_inode_mode(i) \
2958 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
2959 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
2961 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
2962 (offsetof(struct f2fs_inode, i_extra_end) - \
2963 offsetof(struct f2fs_inode, i_extra_isize)) \
2965 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
2966 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
2967 ((offsetof(typeof(*(f2fs_inode)), field) + \
2968 sizeof((f2fs_inode)->field)) \
2969 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
2971 static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
2975 spin_lock(&sbi->iostat_lock);
2976 for (i = 0; i < NR_IO_TYPE; i++)
2977 sbi->write_iostat[i] = 0;
2978 spin_unlock(&sbi->iostat_lock);
2981 static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
2982 enum iostat_type type, unsigned long long io_bytes)
2984 if (!sbi->iostat_enable)
2986 spin_lock(&sbi->iostat_lock);
2987 sbi->write_iostat[type] += io_bytes;
2989 if (type == APP_WRITE_IO || type == APP_DIRECT_IO)
2990 sbi->write_iostat[APP_BUFFERED_IO] =
2991 sbi->write_iostat[APP_WRITE_IO] -
2992 sbi->write_iostat[APP_DIRECT_IO];
2993 spin_unlock(&sbi->iostat_lock);
2996 #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
2998 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
3000 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
3001 block_t blkaddr, int type);
3002 static inline void verify_blkaddr(struct f2fs_sb_info *sbi,
3003 block_t blkaddr, int type)
3005 if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) {
3006 f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.",
3008 f2fs_bug_on(sbi, 1);
3012 static inline bool __is_valid_data_blkaddr(block_t blkaddr)
3014 if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR ||
3015 blkaddr == COMPRESS_ADDR)
3020 static inline void f2fs_set_page_private(struct page *page,
3023 if (PagePrivate(page))
3027 SetPagePrivate(page);
3028 set_page_private(page, data);
3031 static inline void f2fs_clear_page_private(struct page *page)
3033 if (!PagePrivate(page))
3036 set_page_private(page, 0);
3037 ClearPagePrivate(page);
3038 f2fs_put_page(page, 0);
3044 int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
3045 void f2fs_truncate_data_blocks(struct dnode_of_data *dn);
3046 int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
3047 int f2fs_truncate(struct inode *inode);
3048 int f2fs_getattr(const struct path *path, struct kstat *stat,
3049 u32 request_mask, unsigned int flags);
3050 int f2fs_setattr(struct dentry *dentry, struct iattr *attr);
3051 int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
3052 void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
3053 int f2fs_precache_extents(struct inode *inode);
3054 long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
3055 long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
3056 int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid);
3057 int f2fs_pin_file_control(struct inode *inode, bool inc);
3062 void f2fs_set_inode_flags(struct inode *inode);
3063 bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page);
3064 void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page);
3065 struct inode *f2fs_iget(struct super_block *sb, unsigned long ino);
3066 struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino);
3067 int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
3068 void f2fs_update_inode(struct inode *inode, struct page *node_page);
3069 void f2fs_update_inode_page(struct inode *inode);
3070 int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
3071 void f2fs_evict_inode(struct inode *inode);
3072 void f2fs_handle_failed_inode(struct inode *inode);
3077 int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
3078 bool hot, bool set);
3079 struct dentry *f2fs_get_parent(struct dentry *child);
3081 extern int f2fs_ci_compare(const struct inode *parent,
3082 const struct qstr *name,
3083 const struct qstr *entry,
3089 unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de);
3090 struct f2fs_dir_entry *f2fs_find_target_dentry(struct fscrypt_name *fname,
3091 f2fs_hash_t namehash, int *max_slots,
3092 struct f2fs_dentry_ptr *d);
3093 int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
3094 unsigned int start_pos, struct fscrypt_str *fstr);
3095 void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
3096 struct f2fs_dentry_ptr *d);
3097 struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
3098 const struct qstr *new_name,
3099 const struct qstr *orig_name, struct page *dpage);
3100 void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
3101 unsigned int current_depth);
3102 int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots);
3103 void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
3104 struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
3105 struct fscrypt_name *fname, struct page **res_page);
3106 struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
3107 const struct qstr *child, struct page **res_page);
3108 struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p);
3109 ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
3110 struct page **page);
3111 void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
3112 struct page *page, struct inode *inode);
3113 bool f2fs_has_enough_room(struct inode *dir, struct page *ipage,
3114 struct fscrypt_name *fname);
3115 void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
3116 const struct qstr *name, f2fs_hash_t name_hash,
3117 unsigned int bit_pos);
3118 int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,
3119 const struct qstr *orig_name,
3120 struct inode *inode, nid_t ino, umode_t mode);
3121 int f2fs_add_dentry(struct inode *dir, struct fscrypt_name *fname,
3122 struct inode *inode, nid_t ino, umode_t mode);
3123 int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
3124 struct inode *inode, nid_t ino, umode_t mode);
3125 void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
3126 struct inode *dir, struct inode *inode);
3127 int f2fs_do_tmpfile(struct inode *inode, struct inode *dir);
3128 bool f2fs_empty_dir(struct inode *dir);
3130 static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
3132 return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name,
3133 inode, inode->i_ino, inode->i_mode);
3139 int f2fs_inode_dirtied(struct inode *inode, bool sync);
3140 void f2fs_inode_synced(struct inode *inode);
3141 int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
3142 int f2fs_quota_sync(struct super_block *sb, int type);
3143 void f2fs_quota_off_umount(struct super_block *sb);
3144 int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
3145 int f2fs_sync_fs(struct super_block *sb, int sync);
3146 int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
3151 f2fs_hash_t f2fs_dentry_hash(const struct inode *dir,
3152 const struct qstr *name_info, struct fscrypt_name *fname);
3157 struct dnode_of_data;
3160 int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
3161 bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type);
3162 bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page);
3163 void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi);
3164 void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page);
3165 void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi);
3166 int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
3167 bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
3168 bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
3169 int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
3170 struct node_info *ni);
3171 pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
3172 int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
3173 int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from);
3174 int f2fs_truncate_xattr_node(struct inode *inode);
3175 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi,
3176 unsigned int seq_id);
3177 int f2fs_remove_inode_page(struct inode *inode);
3178 struct page *f2fs_new_inode_page(struct inode *inode);
3179 struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs);
3180 void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
3181 struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
3182 struct page *f2fs_get_node_page_ra(struct page *parent, int start);
3183 int f2fs_move_node_page(struct page *node_page, int gc_type);
3184 int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
3185 struct writeback_control *wbc, bool atomic,
3186 unsigned int *seq_id);
3187 int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
3188 struct writeback_control *wbc,
3189 bool do_balance, enum iostat_type io_type);
3190 int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
3191 bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
3192 void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
3193 void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
3194 int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
3195 void f2fs_recover_inline_xattr(struct inode *inode, struct page *page);
3196 int f2fs_recover_xattr_data(struct inode *inode, struct page *page);
3197 int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
3198 int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
3199 unsigned int segno, struct f2fs_summary_block *sum);
3200 int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3201 int f2fs_build_node_manager(struct f2fs_sb_info *sbi);
3202 void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi);
3203 int __init f2fs_create_node_manager_caches(void);
3204 void f2fs_destroy_node_manager_caches(void);
3209 bool f2fs_need_SSR(struct f2fs_sb_info *sbi);
3210 void f2fs_register_inmem_page(struct inode *inode, struct page *page);
3211 void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure);
3212 void f2fs_drop_inmem_pages(struct inode *inode);
3213 void f2fs_drop_inmem_page(struct inode *inode, struct page *page);
3214 int f2fs_commit_inmem_pages(struct inode *inode);
3215 void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need);
3216 void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi);
3217 int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino);
3218 int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi);
3219 int f2fs_flush_device_cache(struct f2fs_sb_info *sbi);
3220 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
3221 void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
3222 bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
3223 void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
3224 void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
3225 bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi);
3226 void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
3227 struct cp_control *cpc);
3228 void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi);
3229 block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi);
3230 int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
3231 void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
3232 int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
3233 void allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
3234 unsigned int start, unsigned int end);
3235 void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type);
3236 int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
3237 bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
3238 struct cp_control *cpc);
3239 struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
3240 void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src,
3242 void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
3243 enum iostat_type io_type);
3244 void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio);
3245 void f2fs_outplace_write_data(struct dnode_of_data *dn,
3246 struct f2fs_io_info *fio);
3247 int f2fs_inplace_write_data(struct f2fs_io_info *fio);
3248 void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
3249 block_t old_blkaddr, block_t new_blkaddr,
3250 bool recover_curseg, bool recover_newaddr);
3251 void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
3252 block_t old_addr, block_t new_addr,
3253 unsigned char version, bool recover_curseg,
3254 bool recover_newaddr);
3255 void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
3256 block_t old_blkaddr, block_t *new_blkaddr,
3257 struct f2fs_summary *sum, int type,
3258 struct f2fs_io_info *fio, bool add_list);
3259 void f2fs_wait_on_page_writeback(struct page *page,
3260 enum page_type type, bool ordered, bool locked);
3261 void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
3262 void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
3264 void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3265 void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3266 int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
3267 unsigned int val, int alloc);
3268 void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3269 int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi);
3270 int f2fs_check_write_pointer(struct f2fs_sb_info *sbi);
3271 int f2fs_build_segment_manager(struct f2fs_sb_info *sbi);
3272 void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
3273 int __init f2fs_create_segment_manager_caches(void);
3274 void f2fs_destroy_segment_manager_caches(void);
3275 int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
3276 enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
3277 enum page_type type, enum temp_type temp);
3282 void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
3283 struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
3284 struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
3285 struct page *f2fs_get_meta_page_nofail(struct f2fs_sb_info *sbi, pgoff_t index);
3286 struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
3287 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
3288 block_t blkaddr, int type);
3289 int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
3290 int type, bool sync);
3291 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
3292 long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
3293 long nr_to_write, enum iostat_type io_type);
3294 void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
3295 void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
3296 void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all);
3297 bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
3298 void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
3299 unsigned int devidx, int type);
3300 bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
3301 unsigned int devidx, int type);
3302 int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi);
3303 int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi);
3304 void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi);
3305 void f2fs_add_orphan_inode(struct inode *inode);
3306 void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
3307 int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi);
3308 int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi);
3309 void f2fs_update_dirty_page(struct inode *inode, struct page *page);
3310 void f2fs_remove_dirty_inode(struct inode *inode);
3311 int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
3312 void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info *sbi);
3313 int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3314 void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
3315 int __init f2fs_create_checkpoint_caches(void);
3316 void f2fs_destroy_checkpoint_caches(void);
3321 int __init f2fs_init_bioset(void);
3322 void f2fs_destroy_bioset(void);
3323 struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages, bool no_fail);
3324 int f2fs_init_bio_entry_cache(void);
3325 void f2fs_destroy_bio_entry_cache(void);
3326 void f2fs_submit_bio(struct f2fs_sb_info *sbi,
3327 struct bio *bio, enum page_type type);
3328 void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type);
3329 void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
3330 struct inode *inode, struct page *page,
3331 nid_t ino, enum page_type type);
3332 void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
3333 struct bio **bio, struct page *page);
3334 void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi);
3335 int f2fs_submit_page_bio(struct f2fs_io_info *fio);
3336 int f2fs_merge_page_bio(struct f2fs_io_info *fio);
3337 void f2fs_submit_page_write(struct f2fs_io_info *fio);
3338 struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
3339 block_t blk_addr, struct bio *bio);
3340 int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
3341 void f2fs_set_data_blkaddr(struct dnode_of_data *dn);
3342 void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
3343 int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
3344 int f2fs_reserve_new_block(struct dnode_of_data *dn);
3345 int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
3346 int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
3347 int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
3348 int f2fs_mpage_readpages(struct address_space *mapping,
3349 struct list_head *pages, struct page *page,
3350 unsigned nr_pages, bool is_readahead);
3351 struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
3352 int op_flags, bool for_write);
3353 struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index);
3354 struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
3356 struct page *f2fs_get_new_data_page(struct inode *inode,
3357 struct page *ipage, pgoff_t index, bool new_i_size);
3358 int f2fs_do_write_data_page(struct f2fs_io_info *fio);
3359 void __do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock);
3360 int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
3361 int create, int flag);
3362 int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
3363 u64 start, u64 len);
3364 int f2fs_encrypt_one_page(struct f2fs_io_info *fio);
3365 bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
3366 bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
3367 int f2fs_write_single_data_page(struct page *page, int *submitted,
3368 struct bio **bio, sector_t *last_block,
3369 struct writeback_control *wbc,
3370 enum iostat_type io_type,
3372 void f2fs_invalidate_page(struct page *page, unsigned int offset,
3373 unsigned int length);
3374 int f2fs_release_page(struct page *page, gfp_t wait);
3375 #ifdef CONFIG_MIGRATION
3376 int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
3377 struct page *page, enum migrate_mode mode);
3379 bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
3380 void f2fs_clear_page_cache_dirty_tag(struct page *page);
3381 int f2fs_init_post_read_processing(void);
3382 void f2fs_destroy_post_read_processing(void);
3383 int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi);
3384 void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi);
3389 int f2fs_start_gc_thread(struct f2fs_sb_info *sbi);
3390 void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
3391 block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
3392 int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background,
3393 unsigned int segno);
3394 void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
3395 int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count);
3400 int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
3401 bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi);
3406 #ifdef CONFIG_F2FS_STAT_FS
3407 struct f2fs_stat_info {
3408 struct list_head stat_list;
3409 struct f2fs_sb_info *sbi;
3410 int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
3411 int main_area_segs, main_area_sections, main_area_zones;
3412 unsigned long long hit_largest, hit_cached, hit_rbtree;
3413 unsigned long long hit_total, total_ext;
3414 int ext_tree, zombie_tree, ext_node;
3415 int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta;
3416 int ndirty_data, ndirty_qdata;
3418 unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all;
3419 int nats, dirty_nats, sits, dirty_sits;
3420 int free_nids, avail_nids, alloc_nids;
3421 int total_count, utilization;
3422 int bg_gc, nr_wb_cp_data, nr_wb_data;
3423 int nr_rd_data, nr_rd_node, nr_rd_meta;
3424 int nr_dio_read, nr_dio_write;
3425 unsigned int io_skip_bggc, other_skip_bggc;
3426 int nr_flushing, nr_flushed, flush_list_empty;
3427 int nr_discarding, nr_discarded;
3429 unsigned int undiscard_blks;
3430 int inline_xattr, inline_inode, inline_dir, append, update, orphans;
3431 int compr_inode, compr_blocks;
3432 int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt;
3433 unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;
3434 unsigned int bimodal, avg_vblocks;
3435 int util_free, util_valid, util_invalid;
3436 int rsvd_segs, overp_segs;
3437 int dirty_count, node_pages, meta_pages;
3438 int prefree_count, call_count, cp_count, bg_cp_count;
3439 int tot_segs, node_segs, data_segs, free_segs, free_secs;
3440 int bg_node_segs, bg_data_segs;
3441 int tot_blks, data_blks, node_blks;
3442 int bg_data_blks, bg_node_blks;
3443 unsigned long long skipped_atomic_files[2];
3444 int curseg[NR_CURSEG_TYPE];
3445 int cursec[NR_CURSEG_TYPE];
3446 int curzone[NR_CURSEG_TYPE];
3448 unsigned int meta_count[META_MAX];
3449 unsigned int segment_count[2];
3450 unsigned int block_count[2];
3451 unsigned int inplace_count;
3452 unsigned long long base_mem, cache_mem, page_mem;
3455 static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
3457 return (struct f2fs_stat_info *)sbi->stat_info;
3460 #define stat_inc_cp_count(si) ((si)->cp_count++)
3461 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3462 #define stat_inc_call_count(si) ((si)->call_count++)
3463 #define stat_inc_bggc_count(si) ((si)->bg_gc++)
3464 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3465 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3466 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3467 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3468 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3469 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3470 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3471 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3472 #define stat_inc_inline_xattr(inode) \
3474 if (f2fs_has_inline_xattr(inode)) \
3475 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3477 #define stat_dec_inline_xattr(inode) \
3479 if (f2fs_has_inline_xattr(inode)) \
3480 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3482 #define stat_inc_inline_inode(inode) \
3484 if (f2fs_has_inline_data(inode)) \
3485 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3487 #define stat_dec_inline_inode(inode) \
3489 if (f2fs_has_inline_data(inode)) \
3490 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3492 #define stat_inc_inline_dir(inode) \
3494 if (f2fs_has_inline_dentry(inode)) \
3495 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3497 #define stat_dec_inline_dir(inode) \
3499 if (f2fs_has_inline_dentry(inode)) \
3500 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3502 #define stat_inc_compr_inode(inode) \
3504 if (f2fs_compressed_file(inode)) \
3505 (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
3507 #define stat_dec_compr_inode(inode) \
3509 if (f2fs_compressed_file(inode)) \
3510 (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
3512 #define stat_add_compr_blocks(inode, blocks) \
3513 (atomic_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
3514 #define stat_sub_compr_blocks(inode, blocks) \
3515 (atomic_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
3516 #define stat_inc_meta_count(sbi, blkaddr) \
3518 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3519 atomic_inc(&(sbi)->meta_count[META_CP]); \
3520 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3521 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3522 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3523 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3524 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3525 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3527 #define stat_inc_seg_type(sbi, curseg) \
3528 ((sbi)->segment_count[(curseg)->alloc_type]++)
3529 #define stat_inc_block_count(sbi, curseg) \
3530 ((sbi)->block_count[(curseg)->alloc_type]++)
3531 #define stat_inc_inplace_blocks(sbi) \
3532 (atomic_inc(&(sbi)->inplace_count))
3533 #define stat_update_max_atomic_write(inode) \
3535 int cur = F2FS_I_SB(inode)->atomic_files; \
3536 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3538 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3540 #define stat_inc_volatile_write(inode) \
3541 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3542 #define stat_dec_volatile_write(inode) \
3543 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3544 #define stat_update_max_volatile_write(inode) \
3546 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3547 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3549 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3551 #define stat_inc_seg_count(sbi, type, gc_type) \
3553 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3555 if ((type) == SUM_TYPE_DATA) { \
3557 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3560 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3564 #define stat_inc_tot_blk_count(si, blks) \
3565 ((si)->tot_blks += (blks))
3567 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
3569 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3570 stat_inc_tot_blk_count(si, blks); \
3571 si->data_blks += (blks); \
3572 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3575 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
3577 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3578 stat_inc_tot_blk_count(si, blks); \
3579 si->node_blks += (blks); \
3580 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3583 int f2fs_build_stats(struct f2fs_sb_info *sbi);
3584 void f2fs_destroy_stats(struct f2fs_sb_info *sbi);
3585 void __init f2fs_create_root_stats(void);
3586 void f2fs_destroy_root_stats(void);
3587 void f2fs_update_sit_info(struct f2fs_sb_info *sbi);
3589 #define stat_inc_cp_count(si) do { } while (0)
3590 #define stat_inc_bg_cp_count(si) do { } while (0)
3591 #define stat_inc_call_count(si) do { } while (0)
3592 #define stat_inc_bggc_count(si) do { } while (0)
3593 #define stat_io_skip_bggc_count(sbi) do { } while (0)
3594 #define stat_other_skip_bggc_count(sbi) do { } while (0)
3595 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
3596 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
3597 #define stat_inc_total_hit(sbi) do { } while (0)
3598 #define stat_inc_rbtree_node_hit(sbi) do { } while (0)
3599 #define stat_inc_largest_node_hit(sbi) do { } while (0)
3600 #define stat_inc_cached_node_hit(sbi) do { } while (0)
3601 #define stat_inc_inline_xattr(inode) do { } while (0)
3602 #define stat_dec_inline_xattr(inode) do { } while (0)
3603 #define stat_inc_inline_inode(inode) do { } while (0)
3604 #define stat_dec_inline_inode(inode) do { } while (0)
3605 #define stat_inc_inline_dir(inode) do { } while (0)
3606 #define stat_dec_inline_dir(inode) do { } while (0)
3607 #define stat_inc_compr_inode(inode) do { } while (0)
3608 #define stat_dec_compr_inode(inode) do { } while (0)
3609 #define stat_add_compr_blocks(inode, blocks) do { } while (0)
3610 #define stat_sub_compr_blocks(inode, blocks) do { } while (0)
3611 #define stat_inc_atomic_write(inode) do { } while (0)
3612 #define stat_dec_atomic_write(inode) do { } while (0)
3613 #define stat_update_max_atomic_write(inode) do { } while (0)
3614 #define stat_inc_volatile_write(inode) do { } while (0)
3615 #define stat_dec_volatile_write(inode) do { } while (0)
3616 #define stat_update_max_volatile_write(inode) do { } while (0)
3617 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3618 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
3619 #define stat_inc_block_count(sbi, curseg) do { } while (0)
3620 #define stat_inc_inplace_blocks(sbi) do { } while (0)
3621 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3622 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
3623 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3624 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3626 static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
3627 static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
3628 static inline void __init f2fs_create_root_stats(void) { }
3629 static inline void f2fs_destroy_root_stats(void) { }
3630 static inline void update_sit_info(struct f2fs_sb_info *sbi) {}
3633 extern const struct file_operations f2fs_dir_operations;
3634 #ifdef CONFIG_UNICODE
3635 extern const struct dentry_operations f2fs_dentry_ops;
3637 extern const struct file_operations f2fs_file_operations;
3638 extern const struct inode_operations f2fs_file_inode_operations;
3639 extern const struct address_space_operations f2fs_dblock_aops;
3640 extern const struct address_space_operations f2fs_node_aops;
3641 extern const struct address_space_operations f2fs_meta_aops;
3642 extern const struct inode_operations f2fs_dir_inode_operations;
3643 extern const struct inode_operations f2fs_symlink_inode_operations;
3644 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations;
3645 extern const struct inode_operations f2fs_special_inode_operations;
3646 extern struct kmem_cache *f2fs_inode_entry_slab;
3651 bool f2fs_may_inline_data(struct inode *inode);
3652 bool f2fs_may_inline_dentry(struct inode *inode);
3653 void f2fs_do_read_inline_data(struct page *page, struct page *ipage);
3654 void f2fs_truncate_inline_inode(struct inode *inode,
3655 struct page *ipage, u64 from);
3656 int f2fs_read_inline_data(struct inode *inode, struct page *page);
3657 int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
3658 int f2fs_convert_inline_inode(struct inode *inode);
3659 int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
3660 int f2fs_write_inline_data(struct inode *inode, struct page *page);
3661 bool f2fs_recover_inline_data(struct inode *inode, struct page *npage);
3662 struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
3663 struct fscrypt_name *fname, struct page **res_page);
3664 int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
3665 struct page *ipage);
3666 int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
3667 const struct qstr *orig_name,
3668 struct inode *inode, nid_t ino, umode_t mode);
3669 void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry,
3670 struct page *page, struct inode *dir,
3671 struct inode *inode);
3672 bool f2fs_empty_inline_dir(struct inode *dir);
3673 int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
3674 struct fscrypt_str *fstr);
3675 int f2fs_inline_data_fiemap(struct inode *inode,
3676 struct fiemap_extent_info *fieinfo,
3677 __u64 start, __u64 len);
3682 unsigned long f2fs_shrink_count(struct shrinker *shrink,
3683 struct shrink_control *sc);
3684 unsigned long f2fs_shrink_scan(struct shrinker *shrink,
3685 struct shrink_control *sc);
3686 void f2fs_join_shrinker(struct f2fs_sb_info *sbi);
3687 void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
3692 struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root,
3693 struct rb_entry *cached_re, unsigned int ofs);
3694 struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
3695 struct rb_root_cached *root,
3696 struct rb_node **parent,
3697 unsigned int ofs, bool *leftmost);
3698 struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root,
3699 struct rb_entry *cached_re, unsigned int ofs,
3700 struct rb_entry **prev_entry, struct rb_entry **next_entry,
3701 struct rb_node ***insert_p, struct rb_node **insert_parent,
3702 bool force, bool *leftmost);
3703 bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi,
3704 struct rb_root_cached *root);
3705 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink);
3706 bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext);
3707 void f2fs_drop_extent_tree(struct inode *inode);
3708 unsigned int f2fs_destroy_extent_node(struct inode *inode);
3709 void f2fs_destroy_extent_tree(struct inode *inode);
3710 bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs,
3711 struct extent_info *ei);
3712 void f2fs_update_extent_cache(struct dnode_of_data *dn);
3713 void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
3714 pgoff_t fofs, block_t blkaddr, unsigned int len);
3715 void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi);
3716 int __init f2fs_create_extent_cache(void);
3717 void f2fs_destroy_extent_cache(void);
3722 int __init f2fs_init_sysfs(void);
3723 void f2fs_exit_sysfs(void);
3724 int f2fs_register_sysfs(struct f2fs_sb_info *sbi);
3725 void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi);
3728 extern const struct fsverity_operations f2fs_verityops;
3733 static inline bool f2fs_encrypted_file(struct inode *inode)
3735 return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
3738 static inline void f2fs_set_encrypted_inode(struct inode *inode)
3740 #ifdef CONFIG_FS_ENCRYPTION
3741 file_set_encrypt(inode);
3742 f2fs_set_inode_flags(inode);
3747 * Returns true if the reads of the inode's data need to undergo some
3748 * postprocessing step, like decryption or authenticity verification.
3750 static inline bool f2fs_post_read_required(struct inode *inode)
3752 return f2fs_encrypted_file(inode) || fsverity_active(inode) ||
3753 f2fs_compressed_file(inode);
3759 #ifdef CONFIG_F2FS_FS_COMPRESSION
3760 bool f2fs_is_compressed_page(struct page *page);
3761 struct page *f2fs_compress_control_page(struct page *page);
3762 int f2fs_prepare_compress_overwrite(struct inode *inode,
3763 struct page **pagep, pgoff_t index, void **fsdata);
3764 bool f2fs_compress_write_end(struct inode *inode, void *fsdata,
3765 pgoff_t index, unsigned copied);
3766 void f2fs_compress_write_end_io(struct bio *bio, struct page *page);
3767 bool f2fs_is_compress_backend_ready(struct inode *inode);
3768 void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity);
3769 bool f2fs_cluster_is_empty(struct compress_ctx *cc);
3770 bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
3771 void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
3772 int f2fs_write_multi_pages(struct compress_ctx *cc,
3774 struct writeback_control *wbc,
3775 enum iostat_type io_type);
3776 int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index);
3777 int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
3778 unsigned nr_pages, sector_t *last_block_in_bio,
3780 struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
3781 void f2fs_free_dic(struct decompress_io_ctx *dic);
3782 void f2fs_decompress_end_io(struct page **rpages,
3783 unsigned int cluster_size, bool err, bool verity);
3784 int f2fs_init_compress_ctx(struct compress_ctx *cc);
3785 void f2fs_destroy_compress_ctx(struct compress_ctx *cc);
3786 void f2fs_init_compress_info(struct f2fs_sb_info *sbi);
3788 static inline bool f2fs_is_compressed_page(struct page *page) { return false; }
3789 static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
3791 if (!f2fs_compressed_file(inode))
3793 /* not support compression */
3796 static inline struct page *f2fs_compress_control_page(struct page *page)
3799 return ERR_PTR(-EINVAL);
3803 static inline void set_compress_context(struct inode *inode)
3805 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
3807 F2FS_I(inode)->i_compress_algorithm =
3808 F2FS_OPTION(sbi).compress_algorithm;
3809 F2FS_I(inode)->i_log_cluster_size =
3810 F2FS_OPTION(sbi).compress_log_size;
3811 F2FS_I(inode)->i_cluster_size =
3812 1 << F2FS_I(inode)->i_log_cluster_size;
3813 F2FS_I(inode)->i_flags |= F2FS_COMPR_FL;
3814 set_inode_flag(inode, FI_COMPRESSED_FILE);
3815 stat_inc_compr_inode(inode);
3818 static inline u64 f2fs_disable_compressed_file(struct inode *inode)
3820 struct f2fs_inode_info *fi = F2FS_I(inode);
3822 if (!f2fs_compressed_file(inode))
3824 if (fi->i_compr_blocks)
3825 return fi->i_compr_blocks;
3827 fi->i_flags &= ~F2FS_COMPR_FL;
3828 clear_inode_flag(inode, FI_COMPRESSED_FILE);
3829 stat_dec_compr_inode(inode);
3833 #define F2FS_FEATURE_FUNCS(name, flagname) \
3834 static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
3836 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
3839 F2FS_FEATURE_FUNCS(encrypt, ENCRYPT);
3840 F2FS_FEATURE_FUNCS(blkzoned, BLKZONED);
3841 F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR);
3842 F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA);
3843 F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM);
3844 F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
3845 F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO);
3846 F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME);
3847 F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND);
3848 F2FS_FEATURE_FUNCS(verity, VERITY);
3849 F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM);
3850 F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
3851 F2FS_FEATURE_FUNCS(compression, COMPRESSION);
3853 #ifdef CONFIG_BLK_DEV_ZONED
3854 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
3857 unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz;
3859 return test_bit(zno, FDEV(devi).blkz_seq);
3863 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi)
3865 return f2fs_sb_has_blkzoned(sbi);
3868 static inline bool f2fs_bdev_support_discard(struct block_device *bdev)
3870 return blk_queue_discard(bdev_get_queue(bdev)) ||
3871 bdev_is_zoned(bdev);
3874 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi)
3878 if (!f2fs_is_multi_device(sbi))
3879 return f2fs_bdev_support_discard(sbi->sb->s_bdev);
3881 for (i = 0; i < sbi->s_ndevs; i++)
3882 if (f2fs_bdev_support_discard(FDEV(i).bdev))
3887 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi)
3889 return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) ||
3890 f2fs_hw_should_discard(sbi);
3893 static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi)
3897 if (!f2fs_is_multi_device(sbi))
3898 return bdev_read_only(sbi->sb->s_bdev);
3900 for (i = 0; i < sbi->s_ndevs; i++)
3901 if (bdev_read_only(FDEV(i).bdev))
3907 static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt)
3909 clear_opt(sbi, ADAPTIVE);
3910 clear_opt(sbi, LFS);
3913 case F2FS_MOUNT_ADAPTIVE:
3914 set_opt(sbi, ADAPTIVE);
3916 case F2FS_MOUNT_LFS:
3922 static inline bool f2fs_may_encrypt(struct inode *inode)
3924 #ifdef CONFIG_FS_ENCRYPTION
3925 umode_t mode = inode->i_mode;
3927 return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode));
3933 static inline bool f2fs_may_compress(struct inode *inode)
3935 if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) ||
3936 f2fs_is_atomic_file(inode) ||
3937 f2fs_is_volatile_file(inode))
3939 return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode);
3942 static inline void f2fs_i_compr_blocks_update(struct inode *inode,
3943 u64 blocks, bool add)
3945 int diff = F2FS_I(inode)->i_cluster_size - blocks;
3948 F2FS_I(inode)->i_compr_blocks += diff;
3949 stat_add_compr_blocks(inode, diff);
3951 F2FS_I(inode)->i_compr_blocks -= diff;
3952 stat_sub_compr_blocks(inode, diff);
3954 f2fs_mark_inode_dirty_sync(inode, true);
3957 static inline int block_unaligned_IO(struct inode *inode,
3958 struct kiocb *iocb, struct iov_iter *iter)
3960 unsigned int i_blkbits = READ_ONCE(inode->i_blkbits);
3961 unsigned int blocksize_mask = (1 << i_blkbits) - 1;
3962 loff_t offset = iocb->ki_pos;
3963 unsigned long align = offset | iov_iter_alignment(iter);
3965 return align & blocksize_mask;
3968 static inline int allow_outplace_dio(struct inode *inode,
3969 struct kiocb *iocb, struct iov_iter *iter)
3971 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
3972 int rw = iov_iter_rw(iter);
3974 return (test_opt(sbi, LFS) && (rw == WRITE) &&
3975 !block_unaligned_IO(inode, iocb, iter));
3978 static inline bool f2fs_force_buffered_io(struct inode *inode,
3979 struct kiocb *iocb, struct iov_iter *iter)
3981 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
3982 int rw = iov_iter_rw(iter);
3984 if (f2fs_post_read_required(inode))
3986 if (f2fs_is_multi_device(sbi))
3988 if (f2fs_compressed_file(inode))
3991 * for blkzoned device, fallback direct IO to buffered IO, so
3992 * all IOs can be serialized by log-structured write.
3994 if (f2fs_sb_has_blkzoned(sbi))
3996 if (test_opt(sbi, LFS) && (rw == WRITE)) {
3997 if (block_unaligned_IO(inode, iocb, iter))
3999 if (F2FS_IO_ALIGNED(sbi))
4002 if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED) &&
4003 !IS_SWAPFILE(inode))
4009 #ifdef CONFIG_F2FS_FAULT_INJECTION
4010 extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
4013 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
4016 static inline bool is_journalled_quota(struct f2fs_sb_info *sbi)
4019 if (f2fs_sb_has_quota_ino(sbi))
4021 if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] ||
4022 F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] ||
4023 F2FS_OPTION(sbi).s_qf_names[PRJQUOTA])
4029 #define EFSBADCRC EBADMSG /* Bad CRC detected */
4030 #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
4032 #endif /* _LINUX_F2FS_H */