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_DISABLE_ROLL_FORWARD 0x00000002
79 #define F2FS_MOUNT_DISCARD 0x00000004
80 #define F2FS_MOUNT_NOHEAP 0x00000008
81 #define F2FS_MOUNT_XATTR_USER 0x00000010
82 #define F2FS_MOUNT_POSIX_ACL 0x00000020
83 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
84 #define F2FS_MOUNT_INLINE_XATTR 0x00000080
85 #define F2FS_MOUNT_INLINE_DATA 0x00000100
86 #define F2FS_MOUNT_INLINE_DENTRY 0x00000200
87 #define F2FS_MOUNT_FLUSH_MERGE 0x00000400
88 #define F2FS_MOUNT_NOBARRIER 0x00000800
89 #define F2FS_MOUNT_FASTBOOT 0x00001000
90 #define F2FS_MOUNT_EXTENT_CACHE 0x00002000
91 #define F2FS_MOUNT_DATA_FLUSH 0x00008000
92 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
93 #define F2FS_MOUNT_USRQUOTA 0x00080000
94 #define F2FS_MOUNT_GRPQUOTA 0x00100000
95 #define F2FS_MOUNT_PRJQUOTA 0x00200000
96 #define F2FS_MOUNT_QUOTA 0x00400000
97 #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
98 #define F2FS_MOUNT_RESERVE_ROOT 0x01000000
99 #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
100 #define F2FS_MOUNT_NORECOVERY 0x04000000
102 #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
103 #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
104 #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
105 #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
107 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
108 typecheck(unsigned long long, b) && \
109 ((long long)((a) - (b)) > 0))
111 typedef u32 block_t
; /*
112 * should not change u32, since it is the on-disk block
113 * address format, __le32.
117 #define COMPRESS_EXT_NUM 16
119 struct f2fs_mount_info
{
121 int write_io_size_bits
; /* Write IO size bits */
122 block_t root_reserved_blocks
; /* root reserved blocks */
123 kuid_t s_resuid
; /* reserved blocks for uid */
124 kgid_t s_resgid
; /* reserved blocks for gid */
125 int active_logs
; /* # of active logs */
126 int inline_xattr_size
; /* inline xattr size */
127 #ifdef CONFIG_F2FS_FAULT_INJECTION
128 struct f2fs_fault_info fault_info
; /* For fault injection */
131 /* Names of quota files with journalled quota */
132 char *s_qf_names
[MAXQUOTAS
];
133 int s_jquota_fmt
; /* Format of quota to use */
135 /* For which write hints are passed down to block layer */
137 int alloc_mode
; /* segment allocation policy */
138 int fsync_mode
; /* fsync policy */
139 int fs_mode
; /* fs mode: LFS or ADAPTIVE */
140 int bggc_mode
; /* bggc mode: off, on or sync */
141 bool test_dummy_encryption
; /* test dummy encryption */
142 block_t unusable_cap
; /* Amount of space allowed to be
143 * unusable when disabling checkpoint
146 /* For compression */
147 unsigned char compress_algorithm
; /* algorithm type */
148 unsigned compress_log_size
; /* cluster log size */
149 unsigned char compress_ext_cnt
; /* extension count */
150 unsigned char extensions
[COMPRESS_EXT_NUM
][F2FS_EXTENSION_LEN
]; /* extensions */
153 #define F2FS_FEATURE_ENCRYPT 0x0001
154 #define F2FS_FEATURE_BLKZONED 0x0002
155 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
156 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
157 #define F2FS_FEATURE_PRJQUOTA 0x0010
158 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
159 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
160 #define F2FS_FEATURE_QUOTA_INO 0x0080
161 #define F2FS_FEATURE_INODE_CRTIME 0x0100
162 #define F2FS_FEATURE_LOST_FOUND 0x0200
163 #define F2FS_FEATURE_VERITY 0x0400
164 #define F2FS_FEATURE_SB_CHKSUM 0x0800
165 #define F2FS_FEATURE_CASEFOLD 0x1000
166 #define F2FS_FEATURE_COMPRESSION 0x2000
168 #define __F2FS_HAS_FEATURE(raw_super, mask) \
169 ((raw_super->feature & cpu_to_le32(mask)) != 0)
170 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
171 #define F2FS_SET_FEATURE(sbi, mask) \
172 (sbi->raw_super->feature |= cpu_to_le32(mask))
173 #define F2FS_CLEAR_FEATURE(sbi, mask) \
174 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
177 * Default values for user and/or group using reserved blocks
179 #define F2FS_DEF_RESUID 0
180 #define F2FS_DEF_RESGID 0
183 * For checkpoint manager
190 #define CP_UMOUNT 0x00000001
191 #define CP_FASTBOOT 0x00000002
192 #define CP_SYNC 0x00000004
193 #define CP_RECOVERY 0x00000008
194 #define CP_DISCARD 0x00000010
195 #define CP_TRIMMED 0x00000020
196 #define CP_PAUSE 0x00000040
198 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
199 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
200 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
201 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
202 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
203 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
204 #define DEF_CP_INTERVAL 60 /* 60 secs */
205 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
206 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
207 #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */
208 #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
218 * indicate meta/data type
227 DATA_GENERIC
, /* check range only */
228 DATA_GENERIC_ENHANCE
, /* strong check on range and segment bitmap */
229 DATA_GENERIC_ENHANCE_READ
, /*
230 * strong check on range and segment
231 * bitmap but no warning due to race
232 * condition of read on truncated area
238 /* for the list of ino */
240 ORPHAN_INO
, /* for orphan ino list */
241 APPEND_INO
, /* for append ino list */
242 UPDATE_INO
, /* for update ino list */
243 TRANS_DIR_INO
, /* for trasactions dir ino list */
244 FLUSH_INO
, /* for multiple device flushing */
245 MAX_INO_ENTRY
, /* max. list */
249 struct list_head list
; /* list head */
250 nid_t ino
; /* inode number */
251 unsigned int dirty_device
; /* dirty device bitmap */
254 /* for the list of inodes to be GCed */
256 struct list_head list
; /* list head */
257 struct inode
*inode
; /* vfs inode pointer */
260 struct fsync_node_entry
{
261 struct list_head list
; /* list head */
262 struct page
*page
; /* warm node page pointer */
263 unsigned int seq_id
; /* sequence id */
266 /* for the bitmap indicate blocks to be discarded */
267 struct discard_entry
{
268 struct list_head list
; /* list head */
269 block_t start_blkaddr
; /* start blockaddr of current segment */
270 unsigned char discard_map
[SIT_VBLOCK_MAP_SIZE
]; /* segment discard bitmap */
273 /* default discard granularity of inner discard thread, unit: block count */
274 #define DEFAULT_DISCARD_GRANULARITY 16
276 /* max discard pend list number */
277 #define MAX_PLIST_NUM 512
278 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
279 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
282 D_PREP
, /* initial */
283 D_PARTIAL
, /* partially submitted */
284 D_SUBMIT
, /* all submitted */
285 D_DONE
, /* finished */
288 struct discard_info
{
289 block_t lstart
; /* logical start address */
290 block_t len
; /* length */
291 block_t start
; /* actual start address in dev */
295 struct rb_node rb_node
; /* rb node located in rb-tree */
298 block_t lstart
; /* logical start address */
299 block_t len
; /* length */
300 block_t start
; /* actual start address in dev */
302 struct discard_info di
; /* discard info */
305 struct list_head list
; /* command list */
306 struct completion wait
; /* compleation */
307 struct block_device
*bdev
; /* bdev */
308 unsigned short ref
; /* reference count */
309 unsigned char state
; /* state */
310 unsigned char queued
; /* queued discard */
311 int error
; /* bio error */
312 spinlock_t lock
; /* for state/bio_ref updating */
313 unsigned short bio_ref
; /* bio reference count */
324 struct discard_policy
{
325 int type
; /* type of discard */
326 unsigned int min_interval
; /* used for candidates exist */
327 unsigned int mid_interval
; /* used for device busy */
328 unsigned int max_interval
; /* used for candidates not exist */
329 unsigned int max_requests
; /* # of discards issued per round */
330 unsigned int io_aware_gran
; /* minimum granularity discard not be aware of I/O */
331 bool io_aware
; /* issue discard in idle time */
332 bool sync
; /* submit discard with REQ_SYNC flag */
333 bool ordered
; /* issue discard by lba order */
334 bool timeout
; /* discard timeout for put_super */
335 unsigned int granularity
; /* discard granularity */
338 struct discard_cmd_control
{
339 struct task_struct
*f2fs_issue_discard
; /* discard thread */
340 struct list_head entry_list
; /* 4KB discard entry list */
341 struct list_head pend_list
[MAX_PLIST_NUM
];/* store pending entries */
342 struct list_head wait_list
; /* store on-flushing entries */
343 struct list_head fstrim_list
; /* in-flight discard from fstrim */
344 wait_queue_head_t discard_wait_queue
; /* waiting queue for wake-up */
345 unsigned int discard_wake
; /* to wake up discard thread */
346 struct mutex cmd_lock
;
347 unsigned int nr_discards
; /* # of discards in the list */
348 unsigned int max_discards
; /* max. discards to be issued */
349 unsigned int discard_granularity
; /* discard granularity */
350 unsigned int undiscard_blks
; /* # of undiscard blocks */
351 unsigned int next_pos
; /* next discard position */
352 atomic_t issued_discard
; /* # of issued discard */
353 atomic_t queued_discard
; /* # of queued discard */
354 atomic_t discard_cmd_cnt
; /* # of cached cmd count */
355 struct rb_root_cached root
; /* root of discard rb-tree */
356 bool rbtree_check
; /* config for consistence check */
359 /* for the list of fsync inodes, used only during recovery */
360 struct fsync_inode_entry
{
361 struct list_head list
; /* list head */
362 struct inode
*inode
; /* vfs inode pointer */
363 block_t blkaddr
; /* block address locating the last fsync */
364 block_t last_dentry
; /* block address locating the last dentry */
367 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
368 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
370 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
371 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
372 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
373 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
375 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
376 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
378 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
380 int before
= nats_in_cursum(journal
);
382 journal
->n_nats
= cpu_to_le16(before
+ i
);
386 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
388 int before
= sits_in_cursum(journal
);
390 journal
->n_sits
= cpu_to_le16(before
+ i
);
394 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
397 if (type
== NAT_JOURNAL
)
398 return size
<= MAX_NAT_JENTRIES(journal
);
399 return size
<= MAX_SIT_JENTRIES(journal
);
405 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
406 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
407 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
409 #define F2FS_IOCTL_MAGIC 0xf5
410 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
411 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
412 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
413 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
414 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
415 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
416 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
417 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
418 struct f2fs_defragment)
419 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
420 struct f2fs_move_range)
421 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
422 struct f2fs_flush_device)
423 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
424 struct f2fs_gc_range)
425 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
426 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
427 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
428 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
429 #define F2FS_IOC_RESIZE_FS _IOW(F2FS_IOCTL_MAGIC, 16, __u64)
430 #define F2FS_IOC_GET_COMPRESS_BLOCKS _IOR(F2FS_IOCTL_MAGIC, 17, __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 /* congestion wait timeout value, default: 20ms */
564 #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20))
566 /* maximum retry quota flush count */
567 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
569 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
571 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
573 /* for in-memory extent cache entry */
574 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
576 /* number of extent info in extent cache we try to shrink */
577 #define EXTENT_CACHE_SHRINK_NUMBER 128
580 struct rb_node rb_node
; /* rb node located in rb-tree */
581 unsigned int ofs
; /* start offset of the entry */
582 unsigned int len
; /* length of the entry */
586 unsigned int fofs
; /* start offset in a file */
587 unsigned int len
; /* length of the extent */
588 u32 blk
; /* start block address of the extent */
592 struct rb_node rb_node
; /* rb node located in rb-tree */
593 struct extent_info ei
; /* extent info */
594 struct list_head list
; /* node in global extent list of sbi */
595 struct extent_tree
*et
; /* extent tree pointer */
599 nid_t ino
; /* inode number */
600 struct rb_root_cached root
; /* root of extent info rb-tree */
601 struct extent_node
*cached_en
; /* recently accessed extent node */
602 struct extent_info largest
; /* largested extent info */
603 struct list_head list
; /* to be used by sbi->zombie_list */
604 rwlock_t lock
; /* protect extent info rb-tree */
605 atomic_t node_cnt
; /* # of extent node in rb-tree*/
606 bool largest_updated
; /* largest extent updated */
610 * This structure is taken from ext4_map_blocks.
612 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
614 #define F2FS_MAP_NEW (1 << BH_New)
615 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
616 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
617 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
620 struct f2fs_map_blocks
{
624 unsigned int m_flags
;
625 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
626 pgoff_t
*m_next_extent
; /* point to next possible extent */
628 bool m_may_create
; /* indicate it is from write path */
631 /* for flag in get_data_block */
633 F2FS_GET_BLOCK_DEFAULT
,
634 F2FS_GET_BLOCK_FIEMAP
,
637 F2FS_GET_BLOCK_PRE_DIO
,
638 F2FS_GET_BLOCK_PRE_AIO
,
639 F2FS_GET_BLOCK_PRECACHE
,
643 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
645 #define FADVISE_COLD_BIT 0x01
646 #define FADVISE_LOST_PINO_BIT 0x02
647 #define FADVISE_ENCRYPT_BIT 0x04
648 #define FADVISE_ENC_NAME_BIT 0x08
649 #define FADVISE_KEEP_SIZE_BIT 0x10
650 #define FADVISE_HOT_BIT 0x20
651 #define FADVISE_VERITY_BIT 0x40
653 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
655 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
656 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
657 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
658 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
659 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
660 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
661 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
662 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
663 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
664 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
665 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
666 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
667 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
668 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
669 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
670 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
671 #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
672 #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
674 #define DEF_DIR_LEVEL 0
682 /* used for f2fs_inode_info->flags */
684 FI_NEW_INODE
, /* indicate newly allocated inode */
685 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
686 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
687 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
688 FI_INC_LINK
, /* need to increment i_nlink */
689 FI_ACL_MODE
, /* indicate acl mode */
690 FI_NO_ALLOC
, /* should not allocate any blocks */
691 FI_FREE_NID
, /* free allocated nide */
692 FI_NO_EXTENT
, /* not to use the extent cache */
693 FI_INLINE_XATTR
, /* used for inline xattr */
694 FI_INLINE_DATA
, /* used for inline data*/
695 FI_INLINE_DENTRY
, /* used for inline dentry */
696 FI_APPEND_WRITE
, /* inode has appended data */
697 FI_UPDATE_WRITE
, /* inode has in-place-update data */
698 FI_NEED_IPU
, /* used for ipu per file */
699 FI_ATOMIC_FILE
, /* indicate atomic file */
700 FI_ATOMIC_COMMIT
, /* indicate the state of atomical committing */
701 FI_VOLATILE_FILE
, /* indicate volatile file */
702 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
703 FI_DROP_CACHE
, /* drop dirty page cache */
704 FI_DATA_EXIST
, /* indicate data exists */
705 FI_INLINE_DOTS
, /* indicate inline dot dentries */
706 FI_DO_DEFRAG
, /* indicate defragment is running */
707 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
708 FI_NO_PREALLOC
, /* indicate skipped preallocated blocks */
709 FI_HOT_DATA
, /* indicate file is hot */
710 FI_EXTRA_ATTR
, /* indicate file has extra attribute */
711 FI_PROJ_INHERIT
, /* indicate file inherits projectid */
712 FI_PIN_FILE
, /* indicate file should not be gced */
713 FI_ATOMIC_REVOKE_REQUEST
, /* request to drop atomic data */
714 FI_VERITY_IN_PROGRESS
, /* building fs-verity Merkle tree */
715 FI_COMPRESSED_FILE
, /* indicate file's data can be compressed */
716 FI_MMAP_FILE
, /* indicate file was mmapped */
717 FI_MAX
, /* max flag, never be used */
720 struct f2fs_inode_info
{
721 struct inode vfs_inode
; /* serve a vfs inode */
722 unsigned long i_flags
; /* keep an inode flags for ioctl */
723 unsigned char i_advise
; /* use to give file attribute hints */
724 unsigned char i_dir_level
; /* use for dentry level for large dir */
725 unsigned int i_current_depth
; /* only for directory depth */
726 /* for gc failure statistic */
727 unsigned int i_gc_failures
[MAX_GC_FAILURE
];
728 unsigned int i_pino
; /* parent inode number */
729 umode_t i_acl_mode
; /* keep file acl mode temporarily */
731 /* Use below internally in f2fs*/
732 unsigned long flags
[BITS_TO_LONGS(FI_MAX
)]; /* use to pass per-file flags */
733 struct rw_semaphore i_sem
; /* protect fi info */
734 atomic_t dirty_pages
; /* # of dirty pages */
735 f2fs_hash_t chash
; /* hash value of given file name */
736 unsigned int clevel
; /* maximum level of given file name */
737 struct task_struct
*task
; /* lookup and create consistency */
738 struct task_struct
*cp_task
; /* separate cp/wb IO stats*/
739 nid_t i_xattr_nid
; /* node id that contains xattrs */
740 loff_t last_disk_size
; /* lastly written file size */
741 spinlock_t i_size_lock
; /* protect last_disk_size */
744 struct dquot
*i_dquot
[MAXQUOTAS
];
746 /* quota space reservation, managed internally by quota code */
747 qsize_t i_reserved_quota
;
749 struct list_head dirty_list
; /* dirty list for dirs and files */
750 struct list_head gdirty_list
; /* linked in global dirty list */
751 struct list_head inmem_ilist
; /* list for inmem inodes */
752 struct list_head inmem_pages
; /* inmemory pages managed by f2fs */
753 struct task_struct
*inmem_task
; /* store inmemory task */
754 struct mutex inmem_lock
; /* lock for inmemory pages */
755 struct extent_tree
*extent_tree
; /* cached extent_tree entry */
757 /* avoid racing between foreground op and gc */
758 struct rw_semaphore i_gc_rwsem
[2];
759 struct rw_semaphore i_mmap_sem
;
760 struct rw_semaphore i_xattr_sem
; /* avoid racing between reading and changing EAs */
762 int i_extra_isize
; /* size of extra space located in i_addr */
763 kprojid_t i_projid
; /* id for project quota */
764 int i_inline_xattr_size
; /* inline xattr size */
765 struct timespec64 i_crtime
; /* inode creation time */
766 struct timespec64 i_disk_time
[4];/* inode disk times */
768 /* for file compress */
769 u64 i_compr_blocks
; /* # of compressed blocks */
770 unsigned char i_compress_algorithm
; /* algorithm type */
771 unsigned char i_log_cluster_size
; /* log of cluster size */
772 unsigned int i_cluster_size
; /* cluster size */
775 static inline void get_extent_info(struct extent_info
*ext
,
776 struct f2fs_extent
*i_ext
)
778 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
779 ext
->blk
= le32_to_cpu(i_ext
->blk
);
780 ext
->len
= le32_to_cpu(i_ext
->len
);
783 static inline void set_raw_extent(struct extent_info
*ext
,
784 struct f2fs_extent
*i_ext
)
786 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
787 i_ext
->blk
= cpu_to_le32(ext
->blk
);
788 i_ext
->len
= cpu_to_le32(ext
->len
);
791 static inline void set_extent_info(struct extent_info
*ei
, unsigned int fofs
,
792 u32 blk
, unsigned int len
)
799 static inline bool __is_discard_mergeable(struct discard_info
*back
,
800 struct discard_info
*front
, unsigned int max_len
)
802 return (back
->lstart
+ back
->len
== front
->lstart
) &&
803 (back
->len
+ front
->len
<= max_len
);
806 static inline bool __is_discard_back_mergeable(struct discard_info
*cur
,
807 struct discard_info
*back
, unsigned int max_len
)
809 return __is_discard_mergeable(back
, cur
, max_len
);
812 static inline bool __is_discard_front_mergeable(struct discard_info
*cur
,
813 struct discard_info
*front
, unsigned int max_len
)
815 return __is_discard_mergeable(cur
, front
, max_len
);
818 static inline bool __is_extent_mergeable(struct extent_info
*back
,
819 struct extent_info
*front
)
821 return (back
->fofs
+ back
->len
== front
->fofs
&&
822 back
->blk
+ back
->len
== front
->blk
);
825 static inline bool __is_back_mergeable(struct extent_info
*cur
,
826 struct extent_info
*back
)
828 return __is_extent_mergeable(back
, cur
);
831 static inline bool __is_front_mergeable(struct extent_info
*cur
,
832 struct extent_info
*front
)
834 return __is_extent_mergeable(cur
, front
);
837 extern void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
);
838 static inline void __try_update_largest_extent(struct extent_tree
*et
,
839 struct extent_node
*en
)
841 if (en
->ei
.len
> et
->largest
.len
) {
842 et
->largest
= en
->ei
;
843 et
->largest_updated
= true;
848 * For free nid management
851 FREE_NID
, /* newly added to free nid list */
852 PREALLOC_NID
, /* it is preallocated */
856 struct f2fs_nm_info
{
857 block_t nat_blkaddr
; /* base disk address of NAT */
858 nid_t max_nid
; /* maximum possible node ids */
859 nid_t available_nids
; /* # of available node ids */
860 nid_t next_scan_nid
; /* the next nid to be scanned */
861 unsigned int ram_thresh
; /* control the memory footprint */
862 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
863 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
865 /* NAT cache management */
866 struct radix_tree_root nat_root
;/* root of the nat entry cache */
867 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
868 struct rw_semaphore nat_tree_lock
; /* protect nat_tree_lock */
869 struct list_head nat_entries
; /* cached nat entry list (clean) */
870 spinlock_t nat_list_lock
; /* protect clean nat entry list */
871 unsigned int nat_cnt
; /* the # of cached nat entries */
872 unsigned int dirty_nat_cnt
; /* total num of nat entries in set */
873 unsigned int nat_blocks
; /* # of nat blocks */
875 /* free node ids management */
876 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
877 struct list_head free_nid_list
; /* list for free nids excluding preallocated nids */
878 unsigned int nid_cnt
[MAX_NID_STATE
]; /* the number of free node id */
879 spinlock_t nid_list_lock
; /* protect nid lists ops */
880 struct mutex build_lock
; /* lock for build free nids */
881 unsigned char **free_nid_bitmap
;
882 unsigned char *nat_block_bitmap
;
883 unsigned short *free_nid_count
; /* free nid count of NAT block */
886 char *nat_bitmap
; /* NAT bitmap pointer */
888 unsigned int nat_bits_blocks
; /* # of nat bits blocks */
889 unsigned char *nat_bits
; /* NAT bits blocks */
890 unsigned char *full_nat_bits
; /* full NAT pages */
891 unsigned char *empty_nat_bits
; /* empty NAT pages */
892 #ifdef CONFIG_F2FS_CHECK_FS
893 char *nat_bitmap_mir
; /* NAT bitmap mirror */
895 int bitmap_size
; /* bitmap size */
899 * this structure is used as one of function parameters.
900 * all the information are dedicated to a given direct node block determined
901 * by the data offset in a file.
903 struct dnode_of_data
{
904 struct inode
*inode
; /* vfs inode pointer */
905 struct page
*inode_page
; /* its inode page, NULL is possible */
906 struct page
*node_page
; /* cached direct node page */
907 nid_t nid
; /* node id of the direct node block */
908 unsigned int ofs_in_node
; /* data offset in the node page */
909 bool inode_page_locked
; /* inode page is locked or not */
910 bool node_changed
; /* is node block changed */
911 char cur_level
; /* level of hole node page */
912 char max_level
; /* level of current page located */
913 block_t data_blkaddr
; /* block address of the node block */
916 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
917 struct page
*ipage
, struct page
*npage
, nid_t nid
)
919 memset(dn
, 0, sizeof(*dn
));
921 dn
->inode_page
= ipage
;
922 dn
->node_page
= npage
;
929 * By default, there are 6 active log areas across the whole main area.
930 * When considering hot and cold data separation to reduce cleaning overhead,
931 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
933 * In the current design, you should not change the numbers intentionally.
934 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
935 * logs individually according to the underlying devices. (default: 6)
936 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
937 * data and 8 for node logs.
939 #define NR_CURSEG_DATA_TYPE (3)
940 #define NR_CURSEG_NODE_TYPE (3)
941 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
944 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
945 CURSEG_WARM_DATA
, /* data blocks */
946 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
947 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
948 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
949 CURSEG_COLD_NODE
, /* indirect node blocks */
951 CURSEG_COLD_DATA_PINNED
,/* cold data for pinned file */
955 struct completion wait
;
956 struct llist_node llnode
;
961 struct flush_cmd_control
{
962 struct task_struct
*f2fs_issue_flush
; /* flush thread */
963 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
964 atomic_t issued_flush
; /* # of issued flushes */
965 atomic_t queued_flush
; /* # of queued flushes */
966 struct llist_head issue_list
; /* list for command issue */
967 struct llist_node
*dispatch_list
; /* list for command dispatch */
970 struct f2fs_sm_info
{
971 struct sit_info
*sit_info
; /* whole segment information */
972 struct free_segmap_info
*free_info
; /* free segment information */
973 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
974 struct curseg_info
*curseg_array
; /* active segment information */
976 struct rw_semaphore curseg_lock
; /* for preventing curseg change */
978 block_t seg0_blkaddr
; /* block address of 0'th segment */
979 block_t main_blkaddr
; /* start block address of main area */
980 block_t ssa_blkaddr
; /* start block address of SSA area */
982 unsigned int segment_count
; /* total # of segments */
983 unsigned int main_segments
; /* # of segments in main area */
984 unsigned int reserved_segments
; /* # of reserved segments */
985 unsigned int ovp_segments
; /* # of overprovision segments */
987 /* a threshold to reclaim prefree segments */
988 unsigned int rec_prefree_segments
;
990 /* for batched trimming */
991 unsigned int trim_sections
; /* # of sections to trim */
993 struct list_head sit_entry_set
; /* sit entry set list */
995 unsigned int ipu_policy
; /* in-place-update policy */
996 unsigned int min_ipu_util
; /* in-place-update threshold */
997 unsigned int min_fsync_blocks
; /* threshold for fsync */
998 unsigned int min_seq_blocks
; /* threshold for sequential blocks */
999 unsigned int min_hot_blocks
; /* threshold for hot block allocation */
1000 unsigned int min_ssr_sections
; /* threshold to trigger SSR allocation */
1002 /* for flush command control */
1003 struct flush_cmd_control
*fcc_info
;
1005 /* for discard command control */
1006 struct discard_cmd_control
*dcc_info
;
1013 * COUNT_TYPE for monitoring
1015 * f2fs monitors the number of several block types such as on-writeback,
1016 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
1018 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
1038 * The below are the page types of bios used in submit_bio().
1039 * The available types are:
1040 * DATA User data pages. It operates as async mode.
1041 * NODE Node pages. It operates as async mode.
1042 * META FS metadata pages such as SIT, NAT, CP.
1043 * NR_PAGE_TYPE The number of page types.
1044 * META_FLUSH Make sure the previous pages are written
1045 * with waiting the bio's completion
1046 * ... Only can be used with META.
1048 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
1055 INMEM
, /* the below types are used by tracepoints only. */
1064 HOT
= 0, /* must be zero for meta bio */
1070 enum need_lock_type
{
1076 enum cp_reason_type
{
1092 APP_DIRECT_IO
, /* app direct write IOs */
1093 APP_BUFFERED_IO
, /* app buffered write IOs */
1094 APP_WRITE_IO
, /* app write IOs */
1095 APP_MAPPED_IO
, /* app mapped IOs */
1096 FS_DATA_IO
, /* data IOs from kworker/fsync/reclaimer */
1097 FS_NODE_IO
, /* node IOs from kworker/fsync/reclaimer */
1098 FS_META_IO
, /* meta IOs from kworker/reclaimer */
1099 FS_GC_DATA_IO
, /* data IOs from forground gc */
1100 FS_GC_NODE_IO
, /* node IOs from forground gc */
1101 FS_CP_DATA_IO
, /* data IOs from checkpoint */
1102 FS_CP_NODE_IO
, /* node IOs from checkpoint */
1103 FS_CP_META_IO
, /* meta IOs from checkpoint */
1106 APP_DIRECT_READ_IO
, /* app direct read IOs */
1107 APP_BUFFERED_READ_IO
, /* app buffered read IOs */
1108 APP_READ_IO
, /* app read IOs */
1109 APP_MAPPED_READ_IO
, /* app mapped read IOs */
1110 FS_DATA_READ_IO
, /* data read IOs */
1111 FS_NODE_READ_IO
, /* node read IOs */
1112 FS_META_READ_IO
, /* meta read IOs */
1115 FS_DISCARD
, /* discard */
1119 struct f2fs_io_info
{
1120 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
1121 nid_t ino
; /* inode number */
1122 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
1123 enum temp_type temp
; /* contains HOT/WARM/COLD */
1124 int op
; /* contains REQ_OP_ */
1125 int op_flags
; /* req_flag_bits */
1126 block_t new_blkaddr
; /* new block address to be written */
1127 block_t old_blkaddr
; /* old block address before Cow */
1128 struct page
*page
; /* page to be written */
1129 struct page
*encrypted_page
; /* encrypted page */
1130 struct page
*compressed_page
; /* compressed page */
1131 struct list_head list
; /* serialize IOs */
1132 bool submitted
; /* indicate IO submission */
1133 int need_lock
; /* indicate we need to lock cp_rwsem */
1134 bool in_list
; /* indicate fio is in io_list */
1135 bool is_por
; /* indicate IO is from recovery or not */
1136 bool retry
; /* need to reallocate block address */
1137 int compr_blocks
; /* # of compressed block addresses */
1138 bool encrypted
; /* indicate file is encrypted */
1139 enum iostat_type io_type
; /* io type */
1140 struct writeback_control
*io_wbc
; /* writeback control */
1141 struct bio
**bio
; /* bio for ipu */
1142 sector_t
*last_block
; /* last block number in bio */
1143 unsigned char version
; /* version of the node */
1148 struct list_head list
;
1151 #define is_read_io(rw) ((rw) == READ)
1152 struct f2fs_bio_info
{
1153 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
1154 struct bio
*bio
; /* bios to merge */
1155 sector_t last_block_in_bio
; /* last block number */
1156 struct f2fs_io_info fio
; /* store buffered io info. */
1157 struct rw_semaphore io_rwsem
; /* blocking op for bio */
1158 spinlock_t io_lock
; /* serialize DATA/NODE IOs */
1159 struct list_head io_list
; /* track fios */
1160 struct list_head bio_list
; /* bio entry list head */
1161 struct rw_semaphore bio_list_lock
; /* lock to protect bio entry list */
1164 #define FDEV(i) (sbi->devs[i])
1165 #define RDEV(i) (raw_super->devs[i])
1166 struct f2fs_dev_info
{
1167 struct block_device
*bdev
;
1168 char path
[MAX_PATH_LEN
];
1169 unsigned int total_segments
;
1172 #ifdef CONFIG_BLK_DEV_ZONED
1173 unsigned int nr_blkz
; /* Total number of zones */
1174 unsigned long *blkz_seq
; /* Bitmap indicating sequential zones */
1179 DIR_INODE
, /* for dirty dir inode */
1180 FILE_INODE
, /* for dirty regular/symlink inode */
1181 DIRTY_META
, /* for all dirtied inode metadata */
1182 ATOMIC_FILE
, /* for all atomic files */
1186 /* for inner inode cache management */
1187 struct inode_management
{
1188 struct radix_tree_root ino_root
; /* ino entry array */
1189 spinlock_t ino_lock
; /* for ino entry lock */
1190 struct list_head ino_list
; /* inode list head */
1191 unsigned long ino_num
; /* number of entries */
1194 /* For s_flag in struct f2fs_sb_info */
1196 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
1197 SBI_IS_CLOSE
, /* specify unmounting */
1198 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
1199 SBI_POR_DOING
, /* recovery is doing or not */
1200 SBI_NEED_SB_WRITE
, /* need to recover superblock */
1201 SBI_NEED_CP
, /* need to checkpoint */
1202 SBI_IS_SHUTDOWN
, /* shutdown by ioctl */
1203 SBI_IS_RECOVERED
, /* recovered orphan/data */
1204 SBI_CP_DISABLED
, /* CP was disabled last mount */
1205 SBI_CP_DISABLED_QUICK
, /* CP was disabled quickly */
1206 SBI_QUOTA_NEED_FLUSH
, /* need to flush quota info in CP */
1207 SBI_QUOTA_SKIP_FLUSH
, /* skip flushing quota in current CP */
1208 SBI_QUOTA_NEED_REPAIR
, /* quota file may be corrupted */
1209 SBI_IS_RESIZEFS
, /* resizefs is in process */
1218 UMOUNT_DISCARD_TIMEOUT
,
1230 BGGC_MODE_ON
, /* background gc is on */
1231 BGGC_MODE_OFF
, /* background gc is off */
1233 * background gc is on, migrating blocks
1234 * like foreground gc
1239 FS_MODE_ADAPTIVE
, /* use both lfs/ssr allocation */
1240 FS_MODE_LFS
, /* use lfs allocation only */
1244 WHINT_MODE_OFF
, /* not pass down write hints */
1245 WHINT_MODE_USER
, /* try to pass down hints given by users */
1246 WHINT_MODE_FS
, /* pass down hints with F2FS policy */
1250 ALLOC_MODE_DEFAULT
, /* stay default */
1251 ALLOC_MODE_REUSE
, /* reuse segments as much as possible */
1255 FSYNC_MODE_POSIX
, /* fsync follows posix semantics */
1256 FSYNC_MODE_STRICT
, /* fsync behaves in line with ext4 */
1257 FSYNC_MODE_NOBARRIER
, /* fsync behaves nobarrier based on posix */
1261 * this value is set in page as a private data which indicate that
1262 * the page is atomically written, and it is in inmem_pages list.
1264 #define ATOMIC_WRITTEN_PAGE ((unsigned long)-1)
1265 #define DUMMY_WRITTEN_PAGE ((unsigned long)-2)
1267 #define IS_ATOMIC_WRITTEN_PAGE(page) \
1268 (page_private(page) == (unsigned long)ATOMIC_WRITTEN_PAGE)
1269 #define IS_DUMMY_WRITTEN_PAGE(page) \
1270 (page_private(page) == (unsigned long)DUMMY_WRITTEN_PAGE)
1272 #ifdef CONFIG_FS_ENCRYPTION
1273 #define DUMMY_ENCRYPTION_ENABLED(sbi) \
1274 (unlikely(F2FS_OPTION(sbi).test_dummy_encryption))
1276 #define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
1279 /* For compression */
1280 enum compress_algorithm_type
{
1287 #define COMPRESS_DATA_RESERVED_SIZE 5
1288 struct compress_data
{
1289 __le32 clen
; /* compressed data size */
1290 __le32 reserved
[COMPRESS_DATA_RESERVED_SIZE
]; /* reserved */
1291 u8 cdata
[]; /* compressed data */
1294 #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
1296 #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
1298 /* compress context */
1299 struct compress_ctx
{
1300 struct inode
*inode
; /* inode the context belong to */
1301 pgoff_t cluster_idx
; /* cluster index number */
1302 unsigned int cluster_size
; /* page count in cluster */
1303 unsigned int log_cluster_size
; /* log of cluster size */
1304 struct page
**rpages
; /* pages store raw data in cluster */
1305 unsigned int nr_rpages
; /* total page number in rpages */
1306 struct page
**cpages
; /* pages store compressed data in cluster */
1307 unsigned int nr_cpages
; /* total page number in cpages */
1308 void *rbuf
; /* virtual mapped address on rpages */
1309 struct compress_data
*cbuf
; /* virtual mapped address on cpages */
1310 size_t rlen
; /* valid data length in rbuf */
1311 size_t clen
; /* valid data length in cbuf */
1312 void *private; /* payload buffer for specified compression algorithm */
1313 void *private2
; /* extra payload buffer */
1316 /* compress context for write IO path */
1317 struct compress_io_ctx
{
1318 u32 magic
; /* magic number to indicate page is compressed */
1319 struct inode
*inode
; /* inode the context belong to */
1320 struct page
**rpages
; /* pages store raw data in cluster */
1321 unsigned int nr_rpages
; /* total page number in rpages */
1322 refcount_t ref
; /* referrence count of raw page */
1325 /* decompress io context for read IO path */
1326 struct decompress_io_ctx
{
1327 u32 magic
; /* magic number to indicate page is compressed */
1328 struct inode
*inode
; /* inode the context belong to */
1329 pgoff_t cluster_idx
; /* cluster index number */
1330 unsigned int cluster_size
; /* page count in cluster */
1331 unsigned int log_cluster_size
; /* log of cluster size */
1332 struct page
**rpages
; /* pages store raw data in cluster */
1333 unsigned int nr_rpages
; /* total page number in rpages */
1334 struct page
**cpages
; /* pages store compressed data in cluster */
1335 unsigned int nr_cpages
; /* total page number in cpages */
1336 struct page
**tpages
; /* temp pages to pad holes in cluster */
1337 void *rbuf
; /* virtual mapped address on rpages */
1338 struct compress_data
*cbuf
; /* virtual mapped address on cpages */
1339 size_t rlen
; /* valid data length in rbuf */
1340 size_t clen
; /* valid data length in cbuf */
1341 refcount_t ref
; /* referrence count of compressed page */
1342 bool failed
; /* indicate IO error during decompression */
1343 void *private; /* payload buffer for specified decompression algorithm */
1344 void *private2
; /* extra payload buffer */
1347 #define NULL_CLUSTER ((unsigned int)(~0))
1348 #define MIN_COMPRESS_LOG_SIZE 2
1349 #define MAX_COMPRESS_LOG_SIZE 8
1350 #define MAX_COMPRESS_WINDOW_SIZE ((PAGE_SIZE) << MAX_COMPRESS_LOG_SIZE)
1352 struct f2fs_sb_info
{
1353 struct super_block
*sb
; /* pointer to VFS super block */
1354 struct proc_dir_entry
*s_proc
; /* proc entry */
1355 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
1356 struct rw_semaphore sb_lock
; /* lock for raw super block */
1357 int valid_super_block
; /* valid super block no */
1358 unsigned long s_flag
; /* flags for sbi */
1359 struct mutex writepages
; /* mutex for writepages() */
1360 #ifdef CONFIG_UNICODE
1361 struct unicode_map
*s_encoding
;
1362 __u16 s_encoding_flags
;
1365 #ifdef CONFIG_BLK_DEV_ZONED
1366 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
1367 unsigned int log_blocks_per_blkz
; /* log2 F2FS blocks per zone */
1370 /* for node-related operations */
1371 struct f2fs_nm_info
*nm_info
; /* node manager */
1372 struct inode
*node_inode
; /* cache node blocks */
1374 /* for segment-related operations */
1375 struct f2fs_sm_info
*sm_info
; /* segment manager */
1377 /* for bio operations */
1378 struct f2fs_bio_info
*write_io
[NR_PAGE_TYPE
]; /* for write bios */
1379 /* keep migration IO order for LFS mode */
1380 struct rw_semaphore io_order_lock
;
1381 mempool_t
*write_io_dummy
; /* Dummy pages */
1383 /* for checkpoint */
1384 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
1385 int cur_cp_pack
; /* remain current cp pack */
1386 spinlock_t cp_lock
; /* for flag in ckpt */
1387 struct inode
*meta_inode
; /* cache meta blocks */
1388 struct mutex cp_mutex
; /* checkpoint procedure lock */
1389 struct rw_semaphore cp_rwsem
; /* blocking FS operations */
1390 struct rw_semaphore node_write
; /* locking node writes */
1391 struct rw_semaphore node_change
; /* locking node change */
1392 wait_queue_head_t cp_wait
;
1393 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
1394 long interval_time
[MAX_TIME
]; /* to store thresholds */
1396 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
1398 spinlock_t fsync_node_lock
; /* for node entry lock */
1399 struct list_head fsync_node_list
; /* node list head */
1400 unsigned int fsync_seg_id
; /* sequence id */
1401 unsigned int fsync_node_num
; /* number of node entries */
1403 /* for orphan inode, use 0'th array */
1404 unsigned int max_orphans
; /* max orphan inodes */
1406 /* for inode management */
1407 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
1408 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
1409 struct mutex flush_lock
; /* for flush exclusion */
1411 /* for extent tree cache */
1412 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
1413 struct mutex extent_tree_lock
; /* locking extent radix tree */
1414 struct list_head extent_list
; /* lru list for shrinker */
1415 spinlock_t extent_lock
; /* locking extent lru list */
1416 atomic_t total_ext_tree
; /* extent tree count */
1417 struct list_head zombie_list
; /* extent zombie tree list */
1418 atomic_t total_zombie_tree
; /* extent zombie tree count */
1419 atomic_t total_ext_node
; /* extent info count */
1421 /* basic filesystem units */
1422 unsigned int log_sectors_per_block
; /* log2 sectors per block */
1423 unsigned int log_blocksize
; /* log2 block size */
1424 unsigned int blocksize
; /* block size */
1425 unsigned int root_ino_num
; /* root inode number*/
1426 unsigned int node_ino_num
; /* node inode number*/
1427 unsigned int meta_ino_num
; /* meta inode number*/
1428 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
1429 unsigned int blocks_per_seg
; /* blocks per segment */
1430 unsigned int segs_per_sec
; /* segments per section */
1431 unsigned int secs_per_zone
; /* sections per zone */
1432 unsigned int total_sections
; /* total section count */
1433 struct mutex resize_mutex
; /* for resize exclusion */
1434 unsigned int total_node_count
; /* total node block count */
1435 unsigned int total_valid_node_count
; /* valid node block count */
1436 loff_t max_file_blocks
; /* max block index of file */
1437 int dir_level
; /* directory level */
1438 int readdir_ra
; /* readahead inode in readdir */
1440 block_t user_block_count
; /* # of user blocks */
1441 block_t total_valid_block_count
; /* # of valid blocks */
1442 block_t discard_blks
; /* discard command candidats */
1443 block_t last_valid_block_count
; /* for recovery */
1444 block_t reserved_blocks
; /* configurable reserved blocks */
1445 block_t current_reserved_blocks
; /* current reserved blocks */
1447 /* Additional tracking for no checkpoint mode */
1448 block_t unusable_block_count
; /* # of blocks saved by last cp */
1450 unsigned int nquota_files
; /* # of quota sysfile */
1451 struct rw_semaphore quota_sem
; /* blocking cp for flags */
1453 /* # of pages, see count_type */
1454 atomic_t nr_pages
[NR_COUNT_TYPE
];
1455 /* # of allocated blocks */
1456 struct percpu_counter alloc_valid_block_count
;
1458 /* writeback control */
1459 atomic_t wb_sync_req
[META
]; /* count # of WB_SYNC threads */
1461 /* valid inode count */
1462 struct percpu_counter total_valid_inode_count
;
1464 struct f2fs_mount_info mount_opt
; /* mount options */
1466 /* for cleaning operations */
1467 struct rw_semaphore gc_lock
; /*
1468 * semaphore for GC, avoid
1469 * race between GC and GC or CP
1471 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
1472 unsigned int cur_victim_sec
; /* current victim section num */
1473 unsigned int gc_mode
; /* current GC state */
1474 unsigned int next_victim_seg
[2]; /* next segment in victim section */
1475 /* for skip statistic */
1476 unsigned int atomic_files
; /* # of opened atomic file */
1477 unsigned long long skipped_atomic_files
[2]; /* FG_GC and BG_GC */
1478 unsigned long long skipped_gc_rwsem
; /* FG_GC only */
1480 /* threshold for gc trials on pinned files */
1481 u64 gc_pin_file_threshold
;
1482 struct rw_semaphore pin_sem
;
1484 /* maximum # of trials to find a victim segment for SSR and GC */
1485 unsigned int max_victim_search
;
1486 /* migration granularity of garbage collection, unit: segment */
1487 unsigned int migration_granularity
;
1490 * for stat information.
1491 * one is for the LFS mode, and the other is for the SSR mode.
1493 #ifdef CONFIG_F2FS_STAT_FS
1494 struct f2fs_stat_info
*stat_info
; /* FS status information */
1495 atomic_t meta_count
[META_MAX
]; /* # of meta blocks */
1496 unsigned int segment_count
[2]; /* # of allocated segments */
1497 unsigned int block_count
[2]; /* # of allocated blocks */
1498 atomic_t inplace_count
; /* # of inplace update */
1499 atomic64_t total_hit_ext
; /* # of lookup extent cache */
1500 atomic64_t read_hit_rbtree
; /* # of hit rbtree extent node */
1501 atomic64_t read_hit_largest
; /* # of hit largest extent node */
1502 atomic64_t read_hit_cached
; /* # of hit cached extent node */
1503 atomic_t inline_xattr
; /* # of inline_xattr inodes */
1504 atomic_t inline_inode
; /* # of inline_data inodes */
1505 atomic_t inline_dir
; /* # of inline_dentry inodes */
1506 atomic_t compr_inode
; /* # of compressed inodes */
1507 atomic_t compr_blocks
; /* # of compressed blocks */
1508 atomic_t vw_cnt
; /* # of volatile writes */
1509 atomic_t max_aw_cnt
; /* max # of atomic writes */
1510 atomic_t max_vw_cnt
; /* max # of volatile writes */
1511 unsigned int io_skip_bggc
; /* skip background gc for in-flight IO */
1512 unsigned int other_skip_bggc
; /* skip background gc for other reasons */
1513 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
1515 spinlock_t stat_lock
; /* lock for stat operations */
1517 /* For app/fs IO statistics */
1518 spinlock_t iostat_lock
;
1519 unsigned long long rw_iostat
[NR_IO_TYPE
];
1520 unsigned long long prev_rw_iostat
[NR_IO_TYPE
];
1522 unsigned long iostat_next_period
;
1523 unsigned int iostat_period_ms
;
1525 /* to attach REQ_META|REQ_FUA flags */
1526 unsigned int data_io_flag
;
1528 /* For sysfs suppport */
1529 struct kobject s_kobj
;
1530 struct completion s_kobj_unregister
;
1532 /* For shrinker support */
1533 struct list_head s_list
;
1534 int s_ndevs
; /* number of devices */
1535 struct f2fs_dev_info
*devs
; /* for device list */
1536 unsigned int dirty_device
; /* for checkpoint data flush */
1537 spinlock_t dev_lock
; /* protect dirty_device */
1538 struct mutex umount_mutex
;
1539 unsigned int shrinker_run_no
;
1541 /* For write statistics */
1542 u64 sectors_written_start
;
1545 /* Reference to checksum algorithm driver via cryptoapi */
1546 struct crypto_shash
*s_chksum_driver
;
1548 /* Precomputed FS UUID checksum for seeding other checksums */
1549 __u32 s_chksum_seed
;
1551 struct workqueue_struct
*post_read_wq
; /* post read workqueue */
1553 struct kmem_cache
*inline_xattr_slab
; /* inline xattr entry */
1554 unsigned int inline_xattr_slab_size
; /* default inline xattr slab size */
1557 struct f2fs_private_dio
{
1558 struct inode
*inode
;
1560 bio_end_io_t
*orig_end_io
;
1564 #ifdef CONFIG_F2FS_FAULT_INJECTION
1565 #define f2fs_show_injection_info(sbi, type) \
1566 printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \
1567 KERN_INFO, sbi->sb->s_id, \
1568 f2fs_fault_name[type], \
1569 __func__, __builtin_return_address(0))
1570 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1572 struct f2fs_fault_info
*ffi
= &F2FS_OPTION(sbi
).fault_info
;
1574 if (!ffi
->inject_rate
)
1577 if (!IS_FAULT_SET(ffi
, type
))
1580 atomic_inc(&ffi
->inject_ops
);
1581 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
1582 atomic_set(&ffi
->inject_ops
, 0);
1588 #define f2fs_show_injection_info(sbi, type) do { } while (0)
1589 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1596 * Test if the mounted volume is a multi-device volume.
1597 * - For a single regular disk volume, sbi->s_ndevs is 0.
1598 * - For a single zoned disk volume, sbi->s_ndevs is 1.
1599 * - For a multi-device volume, sbi->s_ndevs is always 2 or more.
1601 static inline bool f2fs_is_multi_device(struct f2fs_sb_info
*sbi
)
1603 return sbi
->s_ndevs
> 1;
1606 /* For write statistics. Suppose sector size is 512 bytes,
1607 * and the return value is in kbytes. s is of struct f2fs_sb_info.
1609 #define BD_PART_WRITTEN(s) \
1610 (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
1611 (s)->sectors_written_start) >> 1)
1613 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
1615 unsigned long now
= jiffies
;
1617 sbi
->last_time
[type
] = now
;
1619 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1620 if (type
== REQ_TIME
) {
1621 sbi
->last_time
[DISCARD_TIME
] = now
;
1622 sbi
->last_time
[GC_TIME
] = now
;
1626 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
1628 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1630 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
1633 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info
*sbi
,
1636 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1637 unsigned int wait_ms
= 0;
1640 delta
= (sbi
->last_time
[type
] + interval
) - jiffies
;
1642 wait_ms
= jiffies_to_msecs(delta
);
1650 static inline u32
__f2fs_crc32(struct f2fs_sb_info
*sbi
, u32 crc
,
1651 const void *address
, unsigned int length
)
1654 struct shash_desc shash
;
1659 BUG_ON(crypto_shash_descsize(sbi
->s_chksum_driver
) != sizeof(desc
.ctx
));
1661 desc
.shash
.tfm
= sbi
->s_chksum_driver
;
1662 *(u32
*)desc
.ctx
= crc
;
1664 err
= crypto_shash_update(&desc
.shash
, address
, length
);
1667 return *(u32
*)desc
.ctx
;
1670 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
1671 unsigned int length
)
1673 return __f2fs_crc32(sbi
, F2FS_SUPER_MAGIC
, address
, length
);
1676 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
1677 void *buf
, size_t buf_size
)
1679 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1682 static inline u32
f2fs_chksum(struct f2fs_sb_info
*sbi
, u32 crc
,
1683 const void *address
, unsigned int length
)
1685 return __f2fs_crc32(sbi
, crc
, address
, length
);
1688 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1690 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1693 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1695 return sb
->s_fs_info
;
1698 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1700 return F2FS_SB(inode
->i_sb
);
1703 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1705 return F2FS_I_SB(mapping
->host
);
1708 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1710 return F2FS_M_SB(page_file_mapping(page
));
1713 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1715 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1718 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1720 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1723 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1725 return (struct f2fs_node
*)page_address(page
);
1728 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1730 return &((struct f2fs_node
*)page_address(page
))->i
;
1733 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1735 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1738 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1740 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1743 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1745 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1748 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1750 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1753 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1755 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1758 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1760 return sbi
->meta_inode
->i_mapping
;
1763 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
1765 return sbi
->node_inode
->i_mapping
;
1768 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
1770 return test_bit(type
, &sbi
->s_flag
);
1773 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1775 set_bit(type
, &sbi
->s_flag
);
1778 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1780 clear_bit(type
, &sbi
->s_flag
);
1783 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
1785 return le64_to_cpu(cp
->checkpoint_ver
);
1788 static inline unsigned long f2fs_qf_ino(struct super_block
*sb
, int type
)
1790 if (type
< F2FS_MAX_QUOTAS
)
1791 return le32_to_cpu(F2FS_SB(sb
)->raw_super
->qf_ino
[type
]);
1795 static inline __u64
cur_cp_crc(struct f2fs_checkpoint
*cp
)
1797 size_t crc_offset
= le32_to_cpu(cp
->checksum_offset
);
1798 return le32_to_cpu(*((__le32
*)((unsigned char *)cp
+ crc_offset
)));
1801 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1803 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1805 return ckpt_flags
& f
;
1808 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1810 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1813 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1815 unsigned int ckpt_flags
;
1817 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1819 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1822 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1824 unsigned long flags
;
1826 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1827 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1828 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1831 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1833 unsigned int ckpt_flags
;
1835 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1837 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1840 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1842 unsigned long flags
;
1844 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1845 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
1846 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1849 static inline void disable_nat_bits(struct f2fs_sb_info
*sbi
, bool lock
)
1851 unsigned long flags
;
1852 unsigned char *nat_bits
;
1855 * In order to re-enable nat_bits we need to call fsck.f2fs by
1856 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
1857 * so let's rely on regular fsck or unclean shutdown.
1861 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1862 __clear_ckpt_flags(F2FS_CKPT(sbi
), CP_NAT_BITS_FLAG
);
1863 nat_bits
= NM_I(sbi
)->nat_bits
;
1864 NM_I(sbi
)->nat_bits
= NULL
;
1866 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1871 static inline bool enabled_nat_bits(struct f2fs_sb_info
*sbi
,
1872 struct cp_control
*cpc
)
1874 bool set
= is_set_ckpt_flags(sbi
, CP_NAT_BITS_FLAG
);
1876 return (cpc
) ? (cpc
->reason
& CP_UMOUNT
) && set
: set
;
1879 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
1881 down_read(&sbi
->cp_rwsem
);
1884 static inline int f2fs_trylock_op(struct f2fs_sb_info
*sbi
)
1886 return down_read_trylock(&sbi
->cp_rwsem
);
1889 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
1891 up_read(&sbi
->cp_rwsem
);
1894 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
1896 down_write(&sbi
->cp_rwsem
);
1899 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
1901 up_write(&sbi
->cp_rwsem
);
1904 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
1906 int reason
= CP_SYNC
;
1908 if (test_opt(sbi
, FASTBOOT
))
1909 reason
= CP_FASTBOOT
;
1910 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
1915 static inline bool __remain_node_summaries(int reason
)
1917 return (reason
& (CP_UMOUNT
| CP_FASTBOOT
));
1920 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
1922 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
1923 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
1927 * Check whether the inode has blocks or not
1929 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
1931 block_t xattr_block
= F2FS_I(inode
)->i_xattr_nid
? 1 : 0;
1933 return (inode
->i_blocks
>> F2FS_LOG_SECTORS_PER_BLOCK
) > xattr_block
;
1936 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
1938 return ofs
== XATTR_NODE_OFFSET
;
1941 static inline bool __allow_reserved_blocks(struct f2fs_sb_info
*sbi
,
1942 struct inode
*inode
, bool cap
)
1946 if (!test_opt(sbi
, RESERVE_ROOT
))
1948 if (IS_NOQUOTA(inode
))
1950 if (uid_eq(F2FS_OPTION(sbi
).s_resuid
, current_fsuid()))
1952 if (!gid_eq(F2FS_OPTION(sbi
).s_resgid
, GLOBAL_ROOT_GID
) &&
1953 in_group_p(F2FS_OPTION(sbi
).s_resgid
))
1955 if (cap
&& capable(CAP_SYS_RESOURCE
))
1960 static inline void f2fs_i_blocks_write(struct inode
*, block_t
, bool, bool);
1961 static inline int inc_valid_block_count(struct f2fs_sb_info
*sbi
,
1962 struct inode
*inode
, blkcnt_t
*count
)
1964 blkcnt_t diff
= 0, release
= 0;
1965 block_t avail_user_block_count
;
1968 ret
= dquot_reserve_block(inode
, *count
);
1972 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1973 f2fs_show_injection_info(sbi
, FAULT_BLOCK
);
1979 * let's increase this in prior to actual block count change in order
1980 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1982 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
1984 spin_lock(&sbi
->stat_lock
);
1985 sbi
->total_valid_block_count
+= (block_t
)(*count
);
1986 avail_user_block_count
= sbi
->user_block_count
-
1987 sbi
->current_reserved_blocks
;
1989 if (!__allow_reserved_blocks(sbi
, inode
, true))
1990 avail_user_block_count
-= F2FS_OPTION(sbi
).root_reserved_blocks
;
1991 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
))) {
1992 if (avail_user_block_count
> sbi
->unusable_block_count
)
1993 avail_user_block_count
-= sbi
->unusable_block_count
;
1995 avail_user_block_count
= 0;
1997 if (unlikely(sbi
->total_valid_block_count
> avail_user_block_count
)) {
1998 diff
= sbi
->total_valid_block_count
- avail_user_block_count
;
2003 sbi
->total_valid_block_count
-= diff
;
2005 spin_unlock(&sbi
->stat_lock
);
2009 spin_unlock(&sbi
->stat_lock
);
2011 if (unlikely(release
)) {
2012 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
2013 dquot_release_reservation_block(inode
, release
);
2015 f2fs_i_blocks_write(inode
, *count
, true, true);
2019 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
2021 dquot_release_reservation_block(inode
, release
);
2026 void f2fs_printk(struct f2fs_sb_info
*sbi
, const char *fmt
, ...);
2028 #define f2fs_err(sbi, fmt, ...) \
2029 f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
2030 #define f2fs_warn(sbi, fmt, ...) \
2031 f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
2032 #define f2fs_notice(sbi, fmt, ...) \
2033 f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
2034 #define f2fs_info(sbi, fmt, ...) \
2035 f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
2036 #define f2fs_debug(sbi, fmt, ...) \
2037 f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
2039 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
2040 struct inode
*inode
,
2043 blkcnt_t sectors
= count
<< F2FS_LOG_SECTORS_PER_BLOCK
;
2045 spin_lock(&sbi
->stat_lock
);
2046 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
2047 sbi
->total_valid_block_count
-= (block_t
)count
;
2048 if (sbi
->reserved_blocks
&&
2049 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2050 sbi
->current_reserved_blocks
= min(sbi
->reserved_blocks
,
2051 sbi
->current_reserved_blocks
+ count
);
2052 spin_unlock(&sbi
->stat_lock
);
2053 if (unlikely(inode
->i_blocks
< sectors
)) {
2054 f2fs_warn(sbi
, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
2056 (unsigned long long)inode
->i_blocks
,
2057 (unsigned long long)sectors
);
2058 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
2061 f2fs_i_blocks_write(inode
, count
, false, true);
2064 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
2066 atomic_inc(&sbi
->nr_pages
[count_type
]);
2068 if (count_type
== F2FS_DIRTY_DENTS
||
2069 count_type
== F2FS_DIRTY_NODES
||
2070 count_type
== F2FS_DIRTY_META
||
2071 count_type
== F2FS_DIRTY_QDATA
||
2072 count_type
== F2FS_DIRTY_IMETA
)
2073 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
2076 static inline void inode_inc_dirty_pages(struct inode
*inode
)
2078 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
2079 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
2080 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
2081 if (IS_NOQUOTA(inode
))
2082 inc_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
2085 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
2087 atomic_dec(&sbi
->nr_pages
[count_type
]);
2090 static inline void inode_dec_dirty_pages(struct inode
*inode
)
2092 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
2093 !S_ISLNK(inode
->i_mode
))
2096 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
2097 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
2098 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
2099 if (IS_NOQUOTA(inode
))
2100 dec_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
2103 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
2105 return atomic_read(&sbi
->nr_pages
[count_type
]);
2108 static inline int get_dirty_pages(struct inode
*inode
)
2110 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
2113 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
2115 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
2116 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
2117 sbi
->log_blocks_per_seg
;
2119 return segs
/ sbi
->segs_per_sec
;
2122 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
2124 return sbi
->total_valid_block_count
;
2127 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
2129 return sbi
->discard_blks
;
2132 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
2134 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
2136 /* return NAT or SIT bitmap */
2137 if (flag
== NAT_BITMAP
)
2138 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
2139 else if (flag
== SIT_BITMAP
)
2140 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
2145 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
2147 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
2150 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
2152 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
2155 if (is_set_ckpt_flags(sbi
, CP_LARGE_NAT_BITMAP_FLAG
)) {
2156 offset
= (flag
== SIT_BITMAP
) ?
2157 le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
) : 0;
2159 * if large_nat_bitmap feature is enabled, leave checksum
2160 * protection for all nat/sit bitmaps.
2162 return &ckpt
->sit_nat_version_bitmap
+ offset
+ sizeof(__le32
);
2165 if (__cp_payload(sbi
) > 0) {
2166 if (flag
== NAT_BITMAP
)
2167 return &ckpt
->sit_nat_version_bitmap
;
2169 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
2171 offset
= (flag
== NAT_BITMAP
) ?
2172 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
2173 return &ckpt
->sit_nat_version_bitmap
+ offset
;
2177 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
2179 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
2181 if (sbi
->cur_cp_pack
== 2)
2182 start_addr
+= sbi
->blocks_per_seg
;
2186 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
2188 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
2190 if (sbi
->cur_cp_pack
== 1)
2191 start_addr
+= sbi
->blocks_per_seg
;
2195 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
2197 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
2200 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
2202 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
2205 static inline int inc_valid_node_count(struct f2fs_sb_info
*sbi
,
2206 struct inode
*inode
, bool is_inode
)
2208 block_t valid_block_count
;
2209 unsigned int valid_node_count
, user_block_count
;
2214 err
= dquot_alloc_inode(inode
);
2219 err
= dquot_reserve_block(inode
, 1);
2224 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
2225 f2fs_show_injection_info(sbi
, FAULT_BLOCK
);
2229 spin_lock(&sbi
->stat_lock
);
2231 valid_block_count
= sbi
->total_valid_block_count
+
2232 sbi
->current_reserved_blocks
+ 1;
2234 if (!__allow_reserved_blocks(sbi
, inode
, false))
2235 valid_block_count
+= F2FS_OPTION(sbi
).root_reserved_blocks
;
2236 user_block_count
= sbi
->user_block_count
;
2237 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
2238 user_block_count
-= sbi
->unusable_block_count
;
2240 if (unlikely(valid_block_count
> user_block_count
)) {
2241 spin_unlock(&sbi
->stat_lock
);
2245 valid_node_count
= sbi
->total_valid_node_count
+ 1;
2246 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
2247 spin_unlock(&sbi
->stat_lock
);
2251 sbi
->total_valid_node_count
++;
2252 sbi
->total_valid_block_count
++;
2253 spin_unlock(&sbi
->stat_lock
);
2257 f2fs_mark_inode_dirty_sync(inode
, true);
2259 f2fs_i_blocks_write(inode
, 1, true, true);
2262 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
2268 dquot_free_inode(inode
);
2270 dquot_release_reservation_block(inode
, 1);
2275 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
2276 struct inode
*inode
, bool is_inode
)
2278 spin_lock(&sbi
->stat_lock
);
2280 f2fs_bug_on(sbi
, !sbi
->total_valid_block_count
);
2281 f2fs_bug_on(sbi
, !sbi
->total_valid_node_count
);
2283 sbi
->total_valid_node_count
--;
2284 sbi
->total_valid_block_count
--;
2285 if (sbi
->reserved_blocks
&&
2286 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2287 sbi
->current_reserved_blocks
++;
2289 spin_unlock(&sbi
->stat_lock
);
2292 dquot_free_inode(inode
);
2294 if (unlikely(inode
->i_blocks
== 0)) {
2295 f2fs_warn(sbi
, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu",
2297 (unsigned long long)inode
->i_blocks
);
2298 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
2301 f2fs_i_blocks_write(inode
, 1, false, true);
2305 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
2307 return sbi
->total_valid_node_count
;
2310 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
2312 percpu_counter_inc(&sbi
->total_valid_inode_count
);
2315 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
2317 percpu_counter_dec(&sbi
->total_valid_inode_count
);
2320 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
2322 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
2325 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
2326 pgoff_t index
, bool for_write
)
2330 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION
)) {
2332 page
= find_get_page_flags(mapping
, index
,
2333 FGP_LOCK
| FGP_ACCESSED
);
2335 page
= find_lock_page(mapping
, index
);
2339 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
)) {
2340 f2fs_show_injection_info(F2FS_M_SB(mapping
),
2347 return grab_cache_page(mapping
, index
);
2348 return grab_cache_page_write_begin(mapping
, index
, AOP_FLAG_NOFS
);
2351 static inline struct page
*f2fs_pagecache_get_page(
2352 struct address_space
*mapping
, pgoff_t index
,
2353 int fgp_flags
, gfp_t gfp_mask
)
2355 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_GET
)) {
2356 f2fs_show_injection_info(F2FS_M_SB(mapping
), FAULT_PAGE_GET
);
2360 return pagecache_get_page(mapping
, index
, fgp_flags
, gfp_mask
);
2363 static inline void f2fs_copy_page(struct page
*src
, struct page
*dst
)
2365 char *src_kaddr
= kmap(src
);
2366 char *dst_kaddr
= kmap(dst
);
2368 memcpy(dst_kaddr
, src_kaddr
, PAGE_SIZE
);
2373 static inline void f2fs_put_page(struct page
*page
, int unlock
)
2379 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
2385 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
2388 f2fs_put_page(dn
->node_page
, 1);
2389 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
2390 f2fs_put_page(dn
->inode_page
, 0);
2391 dn
->node_page
= NULL
;
2392 dn
->inode_page
= NULL
;
2395 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
2398 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
2401 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
2406 entry
= kmem_cache_alloc(cachep
, flags
);
2408 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
2412 static inline bool is_idle(struct f2fs_sb_info
*sbi
, int type
)
2414 if (sbi
->gc_mode
== GC_URGENT
)
2417 if (get_pages(sbi
, F2FS_RD_DATA
) || get_pages(sbi
, F2FS_RD_NODE
) ||
2418 get_pages(sbi
, F2FS_RD_META
) || get_pages(sbi
, F2FS_WB_DATA
) ||
2419 get_pages(sbi
, F2FS_WB_CP_DATA
) ||
2420 get_pages(sbi
, F2FS_DIO_READ
) ||
2421 get_pages(sbi
, F2FS_DIO_WRITE
))
2424 if (type
!= DISCARD_TIME
&& SM_I(sbi
) && SM_I(sbi
)->dcc_info
&&
2425 atomic_read(&SM_I(sbi
)->dcc_info
->queued_discard
))
2428 if (SM_I(sbi
) && SM_I(sbi
)->fcc_info
&&
2429 atomic_read(&SM_I(sbi
)->fcc_info
->queued_flush
))
2432 return f2fs_time_over(sbi
, type
);
2435 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
2436 unsigned long index
, void *item
)
2438 while (radix_tree_insert(root
, index
, item
))
2442 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2444 static inline bool IS_INODE(struct page
*page
)
2446 struct f2fs_node
*p
= F2FS_NODE(page
);
2448 return RAW_IS_INODE(p
);
2451 static inline int offset_in_addr(struct f2fs_inode
*i
)
2453 return (i
->i_inline
& F2FS_EXTRA_ATTR
) ?
2454 (le16_to_cpu(i
->i_extra_isize
) / sizeof(__le32
)) : 0;
2457 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
2459 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
2462 static inline int f2fs_has_extra_attr(struct inode
*inode
);
2463 static inline block_t
data_blkaddr(struct inode
*inode
,
2464 struct page
*node_page
, unsigned int offset
)
2466 struct f2fs_node
*raw_node
;
2469 bool is_inode
= IS_INODE(node_page
);
2471 raw_node
= F2FS_NODE(node_page
);
2475 /* from GC path only */
2476 base
= offset_in_addr(&raw_node
->i
);
2477 else if (f2fs_has_extra_attr(inode
))
2478 base
= get_extra_isize(inode
);
2481 addr_array
= blkaddr_in_node(raw_node
);
2482 return le32_to_cpu(addr_array
[base
+ offset
]);
2485 static inline block_t
f2fs_data_blkaddr(struct dnode_of_data
*dn
)
2487 return data_blkaddr(dn
->inode
, dn
->node_page
, dn
->ofs_in_node
);
2490 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
2495 mask
= 1 << (7 - (nr
& 0x07));
2496 return mask
& *addr
;
2499 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
2504 mask
= 1 << (7 - (nr
& 0x07));
2508 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
2513 mask
= 1 << (7 - (nr
& 0x07));
2517 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
2523 mask
= 1 << (7 - (nr
& 0x07));
2529 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
2535 mask
= 1 << (7 - (nr
& 0x07));
2541 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
2546 mask
= 1 << (7 - (nr
& 0x07));
2551 * On-disk inode flags (f2fs_inode::i_flags)
2553 #define F2FS_COMPR_FL 0x00000004 /* Compress file */
2554 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2555 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2556 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2557 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2558 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2559 #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */
2560 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2561 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2562 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2563 #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */
2565 /* Flags that should be inherited by new inodes from their parent. */
2566 #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
2567 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2568 F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL)
2570 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2571 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2574 /* Flags that are appropriate for non-directories/regular files. */
2575 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2577 static inline __u32
f2fs_mask_flags(umode_t mode
, __u32 flags
)
2581 else if (S_ISREG(mode
))
2582 return flags
& F2FS_REG_FLMASK
;
2584 return flags
& F2FS_OTHER_FLMASK
;
2587 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
2591 case FI_INLINE_XATTR
:
2592 case FI_INLINE_DATA
:
2593 case FI_INLINE_DENTRY
:
2599 case FI_INLINE_DOTS
:
2601 f2fs_mark_inode_dirty_sync(inode
, true);
2605 static inline void set_inode_flag(struct inode
*inode
, int flag
)
2607 test_and_set_bit(flag
, F2FS_I(inode
)->flags
);
2608 __mark_inode_dirty_flag(inode
, flag
, true);
2611 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
2613 return test_bit(flag
, F2FS_I(inode
)->flags
);
2616 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
2618 test_and_clear_bit(flag
, F2FS_I(inode
)->flags
);
2619 __mark_inode_dirty_flag(inode
, flag
, false);
2622 static inline bool f2fs_verity_in_progress(struct inode
*inode
)
2624 return IS_ENABLED(CONFIG_FS_VERITY
) &&
2625 is_inode_flag_set(inode
, FI_VERITY_IN_PROGRESS
);
2628 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
2630 F2FS_I(inode
)->i_acl_mode
= mode
;
2631 set_inode_flag(inode
, FI_ACL_MODE
);
2632 f2fs_mark_inode_dirty_sync(inode
, false);
2635 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
2641 f2fs_mark_inode_dirty_sync(inode
, true);
2644 static inline void f2fs_i_blocks_write(struct inode
*inode
,
2645 block_t diff
, bool add
, bool claim
)
2647 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2648 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2650 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2653 dquot_claim_block(inode
, diff
);
2655 dquot_alloc_block_nofail(inode
, diff
);
2657 dquot_free_block(inode
, diff
);
2660 f2fs_mark_inode_dirty_sync(inode
, true);
2661 if (clean
|| recover
)
2662 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2665 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
2667 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2668 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2670 if (i_size_read(inode
) == i_size
)
2673 i_size_write(inode
, i_size
);
2674 f2fs_mark_inode_dirty_sync(inode
, true);
2675 if (clean
|| recover
)
2676 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2679 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
2681 F2FS_I(inode
)->i_current_depth
= depth
;
2682 f2fs_mark_inode_dirty_sync(inode
, true);
2685 static inline void f2fs_i_gc_failures_write(struct inode
*inode
,
2688 F2FS_I(inode
)->i_gc_failures
[GC_FAILURE_PIN
] = count
;
2689 f2fs_mark_inode_dirty_sync(inode
, true);
2692 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
2694 F2FS_I(inode
)->i_xattr_nid
= xnid
;
2695 f2fs_mark_inode_dirty_sync(inode
, true);
2698 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
2700 F2FS_I(inode
)->i_pino
= pino
;
2701 f2fs_mark_inode_dirty_sync(inode
, true);
2704 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
2706 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2708 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
2709 set_bit(FI_INLINE_XATTR
, fi
->flags
);
2710 if (ri
->i_inline
& F2FS_INLINE_DATA
)
2711 set_bit(FI_INLINE_DATA
, fi
->flags
);
2712 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
2713 set_bit(FI_INLINE_DENTRY
, fi
->flags
);
2714 if (ri
->i_inline
& F2FS_DATA_EXIST
)
2715 set_bit(FI_DATA_EXIST
, fi
->flags
);
2716 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
2717 set_bit(FI_INLINE_DOTS
, fi
->flags
);
2718 if (ri
->i_inline
& F2FS_EXTRA_ATTR
)
2719 set_bit(FI_EXTRA_ATTR
, fi
->flags
);
2720 if (ri
->i_inline
& F2FS_PIN_FILE
)
2721 set_bit(FI_PIN_FILE
, fi
->flags
);
2724 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
2728 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
2729 ri
->i_inline
|= F2FS_INLINE_XATTR
;
2730 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
2731 ri
->i_inline
|= F2FS_INLINE_DATA
;
2732 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
2733 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
2734 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
2735 ri
->i_inline
|= F2FS_DATA_EXIST
;
2736 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
2737 ri
->i_inline
|= F2FS_INLINE_DOTS
;
2738 if (is_inode_flag_set(inode
, FI_EXTRA_ATTR
))
2739 ri
->i_inline
|= F2FS_EXTRA_ATTR
;
2740 if (is_inode_flag_set(inode
, FI_PIN_FILE
))
2741 ri
->i_inline
|= F2FS_PIN_FILE
;
2744 static inline int f2fs_has_extra_attr(struct inode
*inode
)
2746 return is_inode_flag_set(inode
, FI_EXTRA_ATTR
);
2749 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
2751 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
2754 static inline int f2fs_compressed_file(struct inode
*inode
)
2756 return S_ISREG(inode
->i_mode
) &&
2757 is_inode_flag_set(inode
, FI_COMPRESSED_FILE
);
2760 static inline unsigned int addrs_per_inode(struct inode
*inode
)
2762 unsigned int addrs
= CUR_ADDRS_PER_INODE(inode
) -
2763 get_inline_xattr_addrs(inode
);
2765 if (!f2fs_compressed_file(inode
))
2767 return ALIGN_DOWN(addrs
, F2FS_I(inode
)->i_cluster_size
);
2770 static inline unsigned int addrs_per_block(struct inode
*inode
)
2772 if (!f2fs_compressed_file(inode
))
2773 return DEF_ADDRS_PER_BLOCK
;
2774 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK
, F2FS_I(inode
)->i_cluster_size
);
2777 static inline void *inline_xattr_addr(struct inode
*inode
, struct page
*page
)
2779 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2781 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
2782 get_inline_xattr_addrs(inode
)]);
2785 static inline int inline_xattr_size(struct inode
*inode
)
2787 if (f2fs_has_inline_xattr(inode
))
2788 return get_inline_xattr_addrs(inode
) * sizeof(__le32
);
2792 static inline int f2fs_has_inline_data(struct inode
*inode
)
2794 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
2797 static inline int f2fs_exist_data(struct inode
*inode
)
2799 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
2802 static inline int f2fs_has_inline_dots(struct inode
*inode
)
2804 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
2807 static inline int f2fs_is_mmap_file(struct inode
*inode
)
2809 return is_inode_flag_set(inode
, FI_MMAP_FILE
);
2812 static inline bool f2fs_is_pinned_file(struct inode
*inode
)
2814 return is_inode_flag_set(inode
, FI_PIN_FILE
);
2817 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
2819 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
2822 static inline bool f2fs_is_commit_atomic_write(struct inode
*inode
)
2824 return is_inode_flag_set(inode
, FI_ATOMIC_COMMIT
);
2827 static inline bool f2fs_is_volatile_file(struct inode
*inode
)
2829 return is_inode_flag_set(inode
, FI_VOLATILE_FILE
);
2832 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
2834 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
2837 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
2839 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
2842 static inline void *inline_data_addr(struct inode
*inode
, struct page
*page
)
2844 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2845 int extra_size
= get_extra_isize(inode
);
2847 return (void *)&(ri
->i_addr
[extra_size
+ DEF_INLINE_RESERVED_SIZE
]);
2850 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
2852 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
2855 static inline int is_file(struct inode
*inode
, int type
)
2857 return F2FS_I(inode
)->i_advise
& type
;
2860 static inline void set_file(struct inode
*inode
, int type
)
2862 F2FS_I(inode
)->i_advise
|= type
;
2863 f2fs_mark_inode_dirty_sync(inode
, true);
2866 static inline void clear_file(struct inode
*inode
, int type
)
2868 F2FS_I(inode
)->i_advise
&= ~type
;
2869 f2fs_mark_inode_dirty_sync(inode
, true);
2872 static inline bool f2fs_is_time_consistent(struct inode
*inode
)
2874 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
, &inode
->i_atime
))
2876 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 1, &inode
->i_ctime
))
2878 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 2, &inode
->i_mtime
))
2880 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 3,
2881 &F2FS_I(inode
)->i_crtime
))
2886 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
2891 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2893 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
2894 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
2895 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
2898 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
2899 file_keep_isize(inode
) ||
2900 i_size_read(inode
) & ~PAGE_MASK
)
2903 if (!f2fs_is_time_consistent(inode
))
2906 spin_lock(&F2FS_I(inode
)->i_size_lock
);
2907 ret
= F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
2908 spin_unlock(&F2FS_I(inode
)->i_size_lock
);
2913 static inline bool f2fs_readonly(struct super_block
*sb
)
2915 return sb_rdonly(sb
);
2918 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
2920 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
2923 static inline bool is_dot_dotdot(const struct qstr
*str
)
2925 if (str
->len
== 1 && str
->name
[0] == '.')
2928 if (str
->len
== 2 && str
->name
[0] == '.' && str
->name
[1] == '.')
2934 static inline bool f2fs_may_extent_tree(struct inode
*inode
)
2936 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2938 if (!test_opt(sbi
, EXTENT_CACHE
) ||
2939 is_inode_flag_set(inode
, FI_NO_EXTENT
) ||
2940 is_inode_flag_set(inode
, FI_COMPRESSED_FILE
))
2944 * for recovered files during mount do not create extents
2945 * if shrinker is not registered.
2947 if (list_empty(&sbi
->s_list
))
2950 return S_ISREG(inode
->i_mode
);
2953 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
2954 size_t size
, gfp_t flags
)
2958 if (time_to_inject(sbi
, FAULT_KMALLOC
)) {
2959 f2fs_show_injection_info(sbi
, FAULT_KMALLOC
);
2963 ret
= kmalloc(size
, flags
);
2967 return kvmalloc(size
, flags
);
2970 static inline void *f2fs_kzalloc(struct f2fs_sb_info
*sbi
,
2971 size_t size
, gfp_t flags
)
2973 return f2fs_kmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2976 static inline void *f2fs_kvmalloc(struct f2fs_sb_info
*sbi
,
2977 size_t size
, gfp_t flags
)
2979 if (time_to_inject(sbi
, FAULT_KVMALLOC
)) {
2980 f2fs_show_injection_info(sbi
, FAULT_KVMALLOC
);
2984 return kvmalloc(size
, flags
);
2987 static inline void *f2fs_kvzalloc(struct f2fs_sb_info
*sbi
,
2988 size_t size
, gfp_t flags
)
2990 return f2fs_kvmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2993 static inline int get_extra_isize(struct inode
*inode
)
2995 return F2FS_I(inode
)->i_extra_isize
/ sizeof(__le32
);
2998 static inline int get_inline_xattr_addrs(struct inode
*inode
)
3000 return F2FS_I(inode
)->i_inline_xattr_size
;
3003 #define f2fs_get_inode_mode(i) \
3004 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
3005 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
3007 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
3008 (offsetof(struct f2fs_inode, i_extra_end) - \
3009 offsetof(struct f2fs_inode, i_extra_isize)) \
3011 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
3012 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
3013 ((offsetof(typeof(*(f2fs_inode)), field) + \
3014 sizeof((f2fs_inode)->field)) \
3015 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
3017 #define DEFAULT_IOSTAT_PERIOD_MS 3000
3018 #define MIN_IOSTAT_PERIOD_MS 100
3019 /* maximum period of iostat tracing is 1 day */
3020 #define MAX_IOSTAT_PERIOD_MS 8640000
3022 static inline void f2fs_reset_iostat(struct f2fs_sb_info
*sbi
)
3026 spin_lock(&sbi
->iostat_lock
);
3027 for (i
= 0; i
< NR_IO_TYPE
; i
++) {
3028 sbi
->rw_iostat
[i
] = 0;
3029 sbi
->prev_rw_iostat
[i
] = 0;
3031 spin_unlock(&sbi
->iostat_lock
);
3034 extern void f2fs_record_iostat(struct f2fs_sb_info
*sbi
);
3036 static inline void f2fs_update_iostat(struct f2fs_sb_info
*sbi
,
3037 enum iostat_type type
, unsigned long long io_bytes
)
3039 if (!sbi
->iostat_enable
)
3041 spin_lock(&sbi
->iostat_lock
);
3042 sbi
->rw_iostat
[type
] += io_bytes
;
3044 if (type
== APP_WRITE_IO
|| type
== APP_DIRECT_IO
)
3045 sbi
->rw_iostat
[APP_BUFFERED_IO
] =
3046 sbi
->rw_iostat
[APP_WRITE_IO
] -
3047 sbi
->rw_iostat
[APP_DIRECT_IO
];
3049 if (type
== APP_READ_IO
|| type
== APP_DIRECT_READ_IO
)
3050 sbi
->rw_iostat
[APP_BUFFERED_READ_IO
] =
3051 sbi
->rw_iostat
[APP_READ_IO
] -
3052 sbi
->rw_iostat
[APP_DIRECT_READ_IO
];
3053 spin_unlock(&sbi
->iostat_lock
);
3055 f2fs_record_iostat(sbi
);
3058 #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
3060 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
3062 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3063 block_t blkaddr
, int type
);
3064 static inline void verify_blkaddr(struct f2fs_sb_info
*sbi
,
3065 block_t blkaddr
, int type
)
3067 if (!f2fs_is_valid_blkaddr(sbi
, blkaddr
, type
)) {
3068 f2fs_err(sbi
, "invalid blkaddr: %u, type: %d, run fsck to fix.",
3070 f2fs_bug_on(sbi
, 1);
3074 static inline bool __is_valid_data_blkaddr(block_t blkaddr
)
3076 if (blkaddr
== NEW_ADDR
|| blkaddr
== NULL_ADDR
||
3077 blkaddr
== COMPRESS_ADDR
)
3082 static inline void f2fs_set_page_private(struct page
*page
,
3085 if (PagePrivate(page
))
3089 SetPagePrivate(page
);
3090 set_page_private(page
, data
);
3093 static inline void f2fs_clear_page_private(struct page
*page
)
3095 if (!PagePrivate(page
))
3098 set_page_private(page
, 0);
3099 ClearPagePrivate(page
);
3100 f2fs_put_page(page
, 0);
3106 int f2fs_sync_file(struct file
*file
, loff_t start
, loff_t end
, int datasync
);
3107 void f2fs_truncate_data_blocks(struct dnode_of_data
*dn
);
3108 int f2fs_do_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
3109 int f2fs_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
3110 int f2fs_truncate(struct inode
*inode
);
3111 int f2fs_getattr(const struct path
*path
, struct kstat
*stat
,
3112 u32 request_mask
, unsigned int flags
);
3113 int f2fs_setattr(struct dentry
*dentry
, struct iattr
*attr
);
3114 int f2fs_truncate_hole(struct inode
*inode
, pgoff_t pg_start
, pgoff_t pg_end
);
3115 void f2fs_truncate_data_blocks_range(struct dnode_of_data
*dn
, int count
);
3116 int f2fs_precache_extents(struct inode
*inode
);
3117 long f2fs_ioctl(struct file
*filp
, unsigned int cmd
, unsigned long arg
);
3118 long f2fs_compat_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
);
3119 int f2fs_transfer_project_quota(struct inode
*inode
, kprojid_t kprojid
);
3120 int f2fs_pin_file_control(struct inode
*inode
, bool inc
);
3125 void f2fs_set_inode_flags(struct inode
*inode
);
3126 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
);
3127 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
);
3128 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
);
3129 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
);
3130 int f2fs_try_to_free_nats(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3131 void f2fs_update_inode(struct inode
*inode
, struct page
*node_page
);
3132 void f2fs_update_inode_page(struct inode
*inode
);
3133 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
);
3134 void f2fs_evict_inode(struct inode
*inode
);
3135 void f2fs_handle_failed_inode(struct inode
*inode
);
3140 int f2fs_update_extension_list(struct f2fs_sb_info
*sbi
, const char *name
,
3141 bool hot
, bool set
);
3142 struct dentry
*f2fs_get_parent(struct dentry
*child
);
3144 extern int f2fs_ci_compare(const struct inode
*parent
,
3145 const struct qstr
*name
,
3146 const struct qstr
*entry
,
3152 unsigned char f2fs_get_de_type(struct f2fs_dir_entry
*de
);
3153 struct f2fs_dir_entry
*f2fs_find_target_dentry(struct fscrypt_name
*fname
,
3154 f2fs_hash_t namehash
, int *max_slots
,
3155 struct f2fs_dentry_ptr
*d
);
3156 int f2fs_fill_dentries(struct dir_context
*ctx
, struct f2fs_dentry_ptr
*d
,
3157 unsigned int start_pos
, struct fscrypt_str
*fstr
);
3158 void f2fs_do_make_empty_dir(struct inode
*inode
, struct inode
*parent
,
3159 struct f2fs_dentry_ptr
*d
);
3160 struct page
*f2fs_init_inode_metadata(struct inode
*inode
, struct inode
*dir
,
3161 const struct qstr
*new_name
,
3162 const struct qstr
*orig_name
, struct page
*dpage
);
3163 void f2fs_update_parent_metadata(struct inode
*dir
, struct inode
*inode
,
3164 unsigned int current_depth
);
3165 int f2fs_room_for_filename(const void *bitmap
, int slots
, int max_slots
);
3166 void f2fs_drop_nlink(struct inode
*dir
, struct inode
*inode
);
3167 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*dir
,
3168 struct fscrypt_name
*fname
, struct page
**res_page
);
3169 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*dir
,
3170 const struct qstr
*child
, struct page
**res_page
);
3171 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*dir
, struct page
**p
);
3172 ino_t
f2fs_inode_by_name(struct inode
*dir
, const struct qstr
*qstr
,
3173 struct page
**page
);
3174 void f2fs_set_link(struct inode
*dir
, struct f2fs_dir_entry
*de
,
3175 struct page
*page
, struct inode
*inode
);
3176 bool f2fs_has_enough_room(struct inode
*dir
, struct page
*ipage
,
3177 struct fscrypt_name
*fname
);
3178 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*d
,
3179 const struct qstr
*name
, f2fs_hash_t name_hash
,
3180 unsigned int bit_pos
);
3181 int f2fs_add_regular_entry(struct inode
*dir
, const struct qstr
*new_name
,
3182 const struct qstr
*orig_name
,
3183 struct inode
*inode
, nid_t ino
, umode_t mode
);
3184 int f2fs_add_dentry(struct inode
*dir
, struct fscrypt_name
*fname
,
3185 struct inode
*inode
, nid_t ino
, umode_t mode
);
3186 int f2fs_do_add_link(struct inode
*dir
, const struct qstr
*name
,
3187 struct inode
*inode
, nid_t ino
, umode_t mode
);
3188 void f2fs_delete_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
3189 struct inode
*dir
, struct inode
*inode
);
3190 int f2fs_do_tmpfile(struct inode
*inode
, struct inode
*dir
);
3191 bool f2fs_empty_dir(struct inode
*dir
);
3193 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
3195 return f2fs_do_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
3196 inode
, inode
->i_ino
, inode
->i_mode
);
3202 int f2fs_inode_dirtied(struct inode
*inode
, bool sync
);
3203 void f2fs_inode_synced(struct inode
*inode
);
3204 int f2fs_enable_quota_files(struct f2fs_sb_info
*sbi
, bool rdonly
);
3205 int f2fs_quota_sync(struct super_block
*sb
, int type
);
3206 void f2fs_quota_off_umount(struct super_block
*sb
);
3207 int f2fs_commit_super(struct f2fs_sb_info
*sbi
, bool recover
);
3208 int f2fs_sync_fs(struct super_block
*sb
, int sync
);
3209 int f2fs_sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
3214 f2fs_hash_t
f2fs_dentry_hash(const struct inode
*dir
,
3215 const struct qstr
*name_info
, struct fscrypt_name
*fname
);
3220 struct dnode_of_data
;
3223 int f2fs_check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
);
3224 bool f2fs_available_free_memory(struct f2fs_sb_info
*sbi
, int type
);
3225 bool f2fs_in_warm_node_list(struct f2fs_sb_info
*sbi
, struct page
*page
);
3226 void f2fs_init_fsync_node_info(struct f2fs_sb_info
*sbi
);
3227 void f2fs_del_fsync_node_entry(struct f2fs_sb_info
*sbi
, struct page
*page
);
3228 void f2fs_reset_fsync_node_info(struct f2fs_sb_info
*sbi
);
3229 int f2fs_need_dentry_mark(struct f2fs_sb_info
*sbi
, nid_t nid
);
3230 bool f2fs_is_checkpointed_node(struct f2fs_sb_info
*sbi
, nid_t nid
);
3231 bool f2fs_need_inode_block_update(struct f2fs_sb_info
*sbi
, nid_t ino
);
3232 int f2fs_get_node_info(struct f2fs_sb_info
*sbi
, nid_t nid
,
3233 struct node_info
*ni
);
3234 pgoff_t
f2fs_get_next_page_offset(struct dnode_of_data
*dn
, pgoff_t pgofs
);
3235 int f2fs_get_dnode_of_data(struct dnode_of_data
*dn
, pgoff_t index
, int mode
);
3236 int f2fs_truncate_inode_blocks(struct inode
*inode
, pgoff_t from
);
3237 int f2fs_truncate_xattr_node(struct inode
*inode
);
3238 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info
*sbi
,
3239 unsigned int seq_id
);
3240 int f2fs_remove_inode_page(struct inode
*inode
);
3241 struct page
*f2fs_new_inode_page(struct inode
*inode
);
3242 struct page
*f2fs_new_node_page(struct dnode_of_data
*dn
, unsigned int ofs
);
3243 void f2fs_ra_node_page(struct f2fs_sb_info
*sbi
, nid_t nid
);
3244 struct page
*f2fs_get_node_page(struct f2fs_sb_info
*sbi
, pgoff_t nid
);
3245 struct page
*f2fs_get_node_page_ra(struct page
*parent
, int start
);
3246 int f2fs_move_node_page(struct page
*node_page
, int gc_type
);
3247 int f2fs_fsync_node_pages(struct f2fs_sb_info
*sbi
, struct inode
*inode
,
3248 struct writeback_control
*wbc
, bool atomic
,
3249 unsigned int *seq_id
);
3250 int f2fs_sync_node_pages(struct f2fs_sb_info
*sbi
,
3251 struct writeback_control
*wbc
,
3252 bool do_balance
, enum iostat_type io_type
);
3253 int f2fs_build_free_nids(struct f2fs_sb_info
*sbi
, bool sync
, bool mount
);
3254 bool f2fs_alloc_nid(struct f2fs_sb_info
*sbi
, nid_t
*nid
);
3255 void f2fs_alloc_nid_done(struct f2fs_sb_info
*sbi
, nid_t nid
);
3256 void f2fs_alloc_nid_failed(struct f2fs_sb_info
*sbi
, nid_t nid
);
3257 int f2fs_try_to_free_nids(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3258 void f2fs_recover_inline_xattr(struct inode
*inode
, struct page
*page
);
3259 int f2fs_recover_xattr_data(struct inode
*inode
, struct page
*page
);
3260 int f2fs_recover_inode_page(struct f2fs_sb_info
*sbi
, struct page
*page
);
3261 int f2fs_restore_node_summary(struct f2fs_sb_info
*sbi
,
3262 unsigned int segno
, struct f2fs_summary_block
*sum
);
3263 int f2fs_flush_nat_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3264 int f2fs_build_node_manager(struct f2fs_sb_info
*sbi
);
3265 void f2fs_destroy_node_manager(struct f2fs_sb_info
*sbi
);
3266 int __init
f2fs_create_node_manager_caches(void);
3267 void f2fs_destroy_node_manager_caches(void);
3272 bool f2fs_need_SSR(struct f2fs_sb_info
*sbi
);
3273 void f2fs_register_inmem_page(struct inode
*inode
, struct page
*page
);
3274 void f2fs_drop_inmem_pages_all(struct f2fs_sb_info
*sbi
, bool gc_failure
);
3275 void f2fs_drop_inmem_pages(struct inode
*inode
);
3276 void f2fs_drop_inmem_page(struct inode
*inode
, struct page
*page
);
3277 int f2fs_commit_inmem_pages(struct inode
*inode
);
3278 void f2fs_balance_fs(struct f2fs_sb_info
*sbi
, bool need
);
3279 void f2fs_balance_fs_bg(struct f2fs_sb_info
*sbi
, bool from_bg
);
3280 int f2fs_issue_flush(struct f2fs_sb_info
*sbi
, nid_t ino
);
3281 int f2fs_create_flush_cmd_control(struct f2fs_sb_info
*sbi
);
3282 int f2fs_flush_device_cache(struct f2fs_sb_info
*sbi
);
3283 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info
*sbi
, bool free
);
3284 void f2fs_invalidate_blocks(struct f2fs_sb_info
*sbi
, block_t addr
);
3285 bool f2fs_is_checkpointed_data(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3286 void f2fs_drop_discard_cmd(struct f2fs_sb_info
*sbi
);
3287 void f2fs_stop_discard_thread(struct f2fs_sb_info
*sbi
);
3288 bool f2fs_issue_discard_timeout(struct f2fs_sb_info
*sbi
);
3289 void f2fs_clear_prefree_segments(struct f2fs_sb_info
*sbi
,
3290 struct cp_control
*cpc
);
3291 void f2fs_dirty_to_prefree(struct f2fs_sb_info
*sbi
);
3292 block_t
f2fs_get_unusable_blocks(struct f2fs_sb_info
*sbi
);
3293 int f2fs_disable_cp_again(struct f2fs_sb_info
*sbi
, block_t unusable
);
3294 void f2fs_release_discard_addrs(struct f2fs_sb_info
*sbi
);
3295 int f2fs_npages_for_summary_flush(struct f2fs_sb_info
*sbi
, bool for_ra
);
3296 void allocate_segment_for_resize(struct f2fs_sb_info
*sbi
, int type
,
3297 unsigned int start
, unsigned int end
);
3298 void f2fs_allocate_new_segments(struct f2fs_sb_info
*sbi
, int type
);
3299 int f2fs_trim_fs(struct f2fs_sb_info
*sbi
, struct fstrim_range
*range
);
3300 bool f2fs_exist_trim_candidates(struct f2fs_sb_info
*sbi
,
3301 struct cp_control
*cpc
);
3302 struct page
*f2fs_get_sum_page(struct f2fs_sb_info
*sbi
, unsigned int segno
);
3303 void f2fs_update_meta_page(struct f2fs_sb_info
*sbi
, void *src
,
3305 void f2fs_do_write_meta_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
3306 enum iostat_type io_type
);
3307 void f2fs_do_write_node_page(unsigned int nid
, struct f2fs_io_info
*fio
);
3308 void f2fs_outplace_write_data(struct dnode_of_data
*dn
,
3309 struct f2fs_io_info
*fio
);
3310 int f2fs_inplace_write_data(struct f2fs_io_info
*fio
);
3311 void f2fs_do_replace_block(struct f2fs_sb_info
*sbi
, struct f2fs_summary
*sum
,
3312 block_t old_blkaddr
, block_t new_blkaddr
,
3313 bool recover_curseg
, bool recover_newaddr
);
3314 void f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct dnode_of_data
*dn
,
3315 block_t old_addr
, block_t new_addr
,
3316 unsigned char version
, bool recover_curseg
,
3317 bool recover_newaddr
);
3318 void f2fs_allocate_data_block(struct f2fs_sb_info
*sbi
, struct page
*page
,
3319 block_t old_blkaddr
, block_t
*new_blkaddr
,
3320 struct f2fs_summary
*sum
, int type
,
3321 struct f2fs_io_info
*fio
, bool add_list
);
3322 void f2fs_wait_on_page_writeback(struct page
*page
,
3323 enum page_type type
, bool ordered
, bool locked
);
3324 void f2fs_wait_on_block_writeback(struct inode
*inode
, block_t blkaddr
);
3325 void f2fs_wait_on_block_writeback_range(struct inode
*inode
, block_t blkaddr
,
3327 void f2fs_write_data_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3328 void f2fs_write_node_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3329 int f2fs_lookup_journal_in_cursum(struct f2fs_journal
*journal
, int type
,
3330 unsigned int val
, int alloc
);
3331 void f2fs_flush_sit_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3332 int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info
*sbi
);
3333 int f2fs_check_write_pointer(struct f2fs_sb_info
*sbi
);
3334 int f2fs_build_segment_manager(struct f2fs_sb_info
*sbi
);
3335 void f2fs_destroy_segment_manager(struct f2fs_sb_info
*sbi
);
3336 int __init
f2fs_create_segment_manager_caches(void);
3337 void f2fs_destroy_segment_manager_caches(void);
3338 int f2fs_rw_hint_to_seg_type(enum rw_hint hint
);
3339 enum rw_hint
f2fs_io_type_to_rw_hint(struct f2fs_sb_info
*sbi
,
3340 enum page_type type
, enum temp_type temp
);
3345 void f2fs_stop_checkpoint(struct f2fs_sb_info
*sbi
, bool end_io
);
3346 struct page
*f2fs_grab_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3347 struct page
*f2fs_get_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3348 struct page
*f2fs_get_meta_page_nofail(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3349 struct page
*f2fs_get_tmp_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3350 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3351 block_t blkaddr
, int type
);
3352 int f2fs_ra_meta_pages(struct f2fs_sb_info
*sbi
, block_t start
, int nrpages
,
3353 int type
, bool sync
);
3354 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3355 long f2fs_sync_meta_pages(struct f2fs_sb_info
*sbi
, enum page_type type
,
3356 long nr_to_write
, enum iostat_type io_type
);
3357 void f2fs_add_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3358 void f2fs_remove_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3359 void f2fs_release_ino_entry(struct f2fs_sb_info
*sbi
, bool all
);
3360 bool f2fs_exist_written_data(struct f2fs_sb_info
*sbi
, nid_t ino
, int mode
);
3361 void f2fs_set_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3362 unsigned int devidx
, int type
);
3363 bool f2fs_is_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3364 unsigned int devidx
, int type
);
3365 int f2fs_sync_inode_meta(struct f2fs_sb_info
*sbi
);
3366 int f2fs_acquire_orphan_inode(struct f2fs_sb_info
*sbi
);
3367 void f2fs_release_orphan_inode(struct f2fs_sb_info
*sbi
);
3368 void f2fs_add_orphan_inode(struct inode
*inode
);
3369 void f2fs_remove_orphan_inode(struct f2fs_sb_info
*sbi
, nid_t ino
);
3370 int f2fs_recover_orphan_inodes(struct f2fs_sb_info
*sbi
);
3371 int f2fs_get_valid_checkpoint(struct f2fs_sb_info
*sbi
);
3372 void f2fs_update_dirty_page(struct inode
*inode
, struct page
*page
);
3373 void f2fs_remove_dirty_inode(struct inode
*inode
);
3374 int f2fs_sync_dirty_inodes(struct f2fs_sb_info
*sbi
, enum inode_type type
);
3375 void f2fs_wait_on_all_pages(struct f2fs_sb_info
*sbi
, int type
);
3376 int f2fs_write_checkpoint(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3377 void f2fs_init_ino_entry_info(struct f2fs_sb_info
*sbi
);
3378 int __init
f2fs_create_checkpoint_caches(void);
3379 void f2fs_destroy_checkpoint_caches(void);
3384 int __init
f2fs_init_bioset(void);
3385 void f2fs_destroy_bioset(void);
3386 struct bio
*f2fs_bio_alloc(struct f2fs_sb_info
*sbi
, int npages
, bool noio
);
3387 int f2fs_init_bio_entry_cache(void);
3388 void f2fs_destroy_bio_entry_cache(void);
3389 void f2fs_submit_bio(struct f2fs_sb_info
*sbi
,
3390 struct bio
*bio
, enum page_type type
);
3391 void f2fs_submit_merged_write(struct f2fs_sb_info
*sbi
, enum page_type type
);
3392 void f2fs_submit_merged_write_cond(struct f2fs_sb_info
*sbi
,
3393 struct inode
*inode
, struct page
*page
,
3394 nid_t ino
, enum page_type type
);
3395 void f2fs_submit_merged_ipu_write(struct f2fs_sb_info
*sbi
,
3396 struct bio
**bio
, struct page
*page
);
3397 void f2fs_flush_merged_writes(struct f2fs_sb_info
*sbi
);
3398 int f2fs_submit_page_bio(struct f2fs_io_info
*fio
);
3399 int f2fs_merge_page_bio(struct f2fs_io_info
*fio
);
3400 void f2fs_submit_page_write(struct f2fs_io_info
*fio
);
3401 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*sbi
,
3402 block_t blk_addr
, struct bio
*bio
);
3403 int f2fs_target_device_index(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3404 void f2fs_set_data_blkaddr(struct dnode_of_data
*dn
);
3405 void f2fs_update_data_blkaddr(struct dnode_of_data
*dn
, block_t blkaddr
);
3406 int f2fs_reserve_new_blocks(struct dnode_of_data
*dn
, blkcnt_t count
);
3407 int f2fs_reserve_new_block(struct dnode_of_data
*dn
);
3408 int f2fs_get_block(struct dnode_of_data
*dn
, pgoff_t index
);
3409 int f2fs_preallocate_blocks(struct kiocb
*iocb
, struct iov_iter
*from
);
3410 int f2fs_reserve_block(struct dnode_of_data
*dn
, pgoff_t index
);
3411 int f2fs_mpage_readpages(struct address_space
*mapping
,
3412 struct list_head
*pages
, struct page
*page
,
3413 unsigned nr_pages
, bool is_readahead
);
3414 struct page
*f2fs_get_read_data_page(struct inode
*inode
, pgoff_t index
,
3415 int op_flags
, bool for_write
);
3416 struct page
*f2fs_find_data_page(struct inode
*inode
, pgoff_t index
);
3417 struct page
*f2fs_get_lock_data_page(struct inode
*inode
, pgoff_t index
,
3419 struct page
*f2fs_get_new_data_page(struct inode
*inode
,
3420 struct page
*ipage
, pgoff_t index
, bool new_i_size
);
3421 int f2fs_do_write_data_page(struct f2fs_io_info
*fio
);
3422 void __do_map_lock(struct f2fs_sb_info
*sbi
, int flag
, bool lock
);
3423 int f2fs_map_blocks(struct inode
*inode
, struct f2fs_map_blocks
*map
,
3424 int create
, int flag
);
3425 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*fieinfo
,
3426 u64 start
, u64 len
);
3427 int f2fs_encrypt_one_page(struct f2fs_io_info
*fio
);
3428 bool f2fs_should_update_inplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3429 bool f2fs_should_update_outplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3430 int f2fs_write_single_data_page(struct page
*page
, int *submitted
,
3431 struct bio
**bio
, sector_t
*last_block
,
3432 struct writeback_control
*wbc
,
3433 enum iostat_type io_type
,
3435 void f2fs_invalidate_page(struct page
*page
, unsigned int offset
,
3436 unsigned int length
);
3437 int f2fs_release_page(struct page
*page
, gfp_t wait
);
3438 #ifdef CONFIG_MIGRATION
3439 int f2fs_migrate_page(struct address_space
*mapping
, struct page
*newpage
,
3440 struct page
*page
, enum migrate_mode mode
);
3442 bool f2fs_overwrite_io(struct inode
*inode
, loff_t pos
, size_t len
);
3443 void f2fs_clear_page_cache_dirty_tag(struct page
*page
);
3444 int f2fs_init_post_read_processing(void);
3445 void f2fs_destroy_post_read_processing(void);
3446 int f2fs_init_post_read_wq(struct f2fs_sb_info
*sbi
);
3447 void f2fs_destroy_post_read_wq(struct f2fs_sb_info
*sbi
);
3452 int f2fs_start_gc_thread(struct f2fs_sb_info
*sbi
);
3453 void f2fs_stop_gc_thread(struct f2fs_sb_info
*sbi
);
3454 block_t
f2fs_start_bidx_of_node(unsigned int node_ofs
, struct inode
*inode
);
3455 int f2fs_gc(struct f2fs_sb_info
*sbi
, bool sync
, bool background
,
3456 unsigned int segno
);
3457 void f2fs_build_gc_manager(struct f2fs_sb_info
*sbi
);
3458 int f2fs_resize_fs(struct f2fs_sb_info
*sbi
, __u64 block_count
);
3463 int f2fs_recover_fsync_data(struct f2fs_sb_info
*sbi
, bool check_only
);
3464 bool f2fs_space_for_roll_forward(struct f2fs_sb_info
*sbi
);
3469 #ifdef CONFIG_F2FS_STAT_FS
3470 struct f2fs_stat_info
{
3471 struct list_head stat_list
;
3472 struct f2fs_sb_info
*sbi
;
3473 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
3474 int main_area_segs
, main_area_sections
, main_area_zones
;
3475 unsigned long long hit_largest
, hit_cached
, hit_rbtree
;
3476 unsigned long long hit_total
, total_ext
;
3477 int ext_tree
, zombie_tree
, ext_node
;
3478 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_imeta
;
3479 int ndirty_data
, ndirty_qdata
;
3481 unsigned int ndirty_dirs
, ndirty_files
, nquota_files
, ndirty_all
;
3482 int nats
, dirty_nats
, sits
, dirty_sits
;
3483 int free_nids
, avail_nids
, alloc_nids
;
3484 int total_count
, utilization
;
3485 int bg_gc
, nr_wb_cp_data
, nr_wb_data
;
3486 int nr_rd_data
, nr_rd_node
, nr_rd_meta
;
3487 int nr_dio_read
, nr_dio_write
;
3488 unsigned int io_skip_bggc
, other_skip_bggc
;
3489 int nr_flushing
, nr_flushed
, flush_list_empty
;
3490 int nr_discarding
, nr_discarded
;
3492 unsigned int undiscard_blks
;
3493 int inline_xattr
, inline_inode
, inline_dir
, append
, update
, orphans
;
3494 int compr_inode
, compr_blocks
;
3495 int aw_cnt
, max_aw_cnt
, vw_cnt
, max_vw_cnt
;
3496 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
3497 unsigned int bimodal
, avg_vblocks
;
3498 int util_free
, util_valid
, util_invalid
;
3499 int rsvd_segs
, overp_segs
;
3500 int dirty_count
, node_pages
, meta_pages
;
3501 int prefree_count
, call_count
, cp_count
, bg_cp_count
;
3502 int tot_segs
, node_segs
, data_segs
, free_segs
, free_secs
;
3503 int bg_node_segs
, bg_data_segs
;
3504 int tot_blks
, data_blks
, node_blks
;
3505 int bg_data_blks
, bg_node_blks
;
3506 unsigned long long skipped_atomic_files
[2];
3507 int curseg
[NR_CURSEG_TYPE
];
3508 int cursec
[NR_CURSEG_TYPE
];
3509 int curzone
[NR_CURSEG_TYPE
];
3511 unsigned int meta_count
[META_MAX
];
3512 unsigned int segment_count
[2];
3513 unsigned int block_count
[2];
3514 unsigned int inplace_count
;
3515 unsigned long long base_mem
, cache_mem
, page_mem
;
3518 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
3520 return (struct f2fs_stat_info
*)sbi
->stat_info
;
3523 #define stat_inc_cp_count(si) ((si)->cp_count++)
3524 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3525 #define stat_inc_call_count(si) ((si)->call_count++)
3526 #define stat_inc_bggc_count(si) ((si)->bg_gc++)
3527 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3528 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3529 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3530 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3531 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3532 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3533 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3534 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3535 #define stat_inc_inline_xattr(inode) \
3537 if (f2fs_has_inline_xattr(inode)) \
3538 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3540 #define stat_dec_inline_xattr(inode) \
3542 if (f2fs_has_inline_xattr(inode)) \
3543 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3545 #define stat_inc_inline_inode(inode) \
3547 if (f2fs_has_inline_data(inode)) \
3548 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3550 #define stat_dec_inline_inode(inode) \
3552 if (f2fs_has_inline_data(inode)) \
3553 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3555 #define stat_inc_inline_dir(inode) \
3557 if (f2fs_has_inline_dentry(inode)) \
3558 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3560 #define stat_dec_inline_dir(inode) \
3562 if (f2fs_has_inline_dentry(inode)) \
3563 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3565 #define stat_inc_compr_inode(inode) \
3567 if (f2fs_compressed_file(inode)) \
3568 (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
3570 #define stat_dec_compr_inode(inode) \
3572 if (f2fs_compressed_file(inode)) \
3573 (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
3575 #define stat_add_compr_blocks(inode, blocks) \
3576 (atomic_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
3577 #define stat_sub_compr_blocks(inode, blocks) \
3578 (atomic_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
3579 #define stat_inc_meta_count(sbi, blkaddr) \
3581 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3582 atomic_inc(&(sbi)->meta_count[META_CP]); \
3583 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3584 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3585 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3586 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3587 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3588 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3590 #define stat_inc_seg_type(sbi, curseg) \
3591 ((sbi)->segment_count[(curseg)->alloc_type]++)
3592 #define stat_inc_block_count(sbi, curseg) \
3593 ((sbi)->block_count[(curseg)->alloc_type]++)
3594 #define stat_inc_inplace_blocks(sbi) \
3595 (atomic_inc(&(sbi)->inplace_count))
3596 #define stat_update_max_atomic_write(inode) \
3598 int cur = F2FS_I_SB(inode)->atomic_files; \
3599 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3601 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3603 #define stat_inc_volatile_write(inode) \
3604 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3605 #define stat_dec_volatile_write(inode) \
3606 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3607 #define stat_update_max_volatile_write(inode) \
3609 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3610 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3612 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3614 #define stat_inc_seg_count(sbi, type, gc_type) \
3616 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3618 if ((type) == SUM_TYPE_DATA) { \
3620 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3623 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3627 #define stat_inc_tot_blk_count(si, blks) \
3628 ((si)->tot_blks += (blks))
3630 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
3632 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3633 stat_inc_tot_blk_count(si, blks); \
3634 si->data_blks += (blks); \
3635 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3638 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
3640 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3641 stat_inc_tot_blk_count(si, blks); \
3642 si->node_blks += (blks); \
3643 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3646 int f2fs_build_stats(struct f2fs_sb_info
*sbi
);
3647 void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
);
3648 void __init
f2fs_create_root_stats(void);
3649 void f2fs_destroy_root_stats(void);
3650 void f2fs_update_sit_info(struct f2fs_sb_info
*sbi
);
3652 #define stat_inc_cp_count(si) do { } while (0)
3653 #define stat_inc_bg_cp_count(si) do { } while (0)
3654 #define stat_inc_call_count(si) do { } while (0)
3655 #define stat_inc_bggc_count(si) do { } while (0)
3656 #define stat_io_skip_bggc_count(sbi) do { } while (0)
3657 #define stat_other_skip_bggc_count(sbi) do { } while (0)
3658 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
3659 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
3660 #define stat_inc_total_hit(sbi) do { } while (0)
3661 #define stat_inc_rbtree_node_hit(sbi) do { } while (0)
3662 #define stat_inc_largest_node_hit(sbi) do { } while (0)
3663 #define stat_inc_cached_node_hit(sbi) do { } while (0)
3664 #define stat_inc_inline_xattr(inode) do { } while (0)
3665 #define stat_dec_inline_xattr(inode) do { } while (0)
3666 #define stat_inc_inline_inode(inode) do { } while (0)
3667 #define stat_dec_inline_inode(inode) do { } while (0)
3668 #define stat_inc_inline_dir(inode) do { } while (0)
3669 #define stat_dec_inline_dir(inode) do { } while (0)
3670 #define stat_inc_compr_inode(inode) do { } while (0)
3671 #define stat_dec_compr_inode(inode) do { } while (0)
3672 #define stat_add_compr_blocks(inode, blocks) do { } while (0)
3673 #define stat_sub_compr_blocks(inode, blocks) do { } while (0)
3674 #define stat_inc_atomic_write(inode) do { } while (0)
3675 #define stat_dec_atomic_write(inode) do { } while (0)
3676 #define stat_update_max_atomic_write(inode) do { } while (0)
3677 #define stat_inc_volatile_write(inode) do { } while (0)
3678 #define stat_dec_volatile_write(inode) do { } while (0)
3679 #define stat_update_max_volatile_write(inode) do { } while (0)
3680 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3681 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
3682 #define stat_inc_block_count(sbi, curseg) do { } while (0)
3683 #define stat_inc_inplace_blocks(sbi) do { } while (0)
3684 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3685 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
3686 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3687 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3689 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
3690 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
3691 static inline void __init
f2fs_create_root_stats(void) { }
3692 static inline void f2fs_destroy_root_stats(void) { }
3693 static inline void update_sit_info(struct f2fs_sb_info
*sbi
) {}
3696 extern const struct file_operations f2fs_dir_operations
;
3697 #ifdef CONFIG_UNICODE
3698 extern const struct dentry_operations f2fs_dentry_ops
;
3700 extern const struct file_operations f2fs_file_operations
;
3701 extern const struct inode_operations f2fs_file_inode_operations
;
3702 extern const struct address_space_operations f2fs_dblock_aops
;
3703 extern const struct address_space_operations f2fs_node_aops
;
3704 extern const struct address_space_operations f2fs_meta_aops
;
3705 extern const struct inode_operations f2fs_dir_inode_operations
;
3706 extern const struct inode_operations f2fs_symlink_inode_operations
;
3707 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
3708 extern const struct inode_operations f2fs_special_inode_operations
;
3709 extern struct kmem_cache
*f2fs_inode_entry_slab
;
3714 bool f2fs_may_inline_data(struct inode
*inode
);
3715 bool f2fs_may_inline_dentry(struct inode
*inode
);
3716 void f2fs_do_read_inline_data(struct page
*page
, struct page
*ipage
);
3717 void f2fs_truncate_inline_inode(struct inode
*inode
,
3718 struct page
*ipage
, u64 from
);
3719 int f2fs_read_inline_data(struct inode
*inode
, struct page
*page
);
3720 int f2fs_convert_inline_page(struct dnode_of_data
*dn
, struct page
*page
);
3721 int f2fs_convert_inline_inode(struct inode
*inode
);
3722 int f2fs_try_convert_inline_dir(struct inode
*dir
, struct dentry
*dentry
);
3723 int f2fs_write_inline_data(struct inode
*inode
, struct page
*page
);
3724 bool f2fs_recover_inline_data(struct inode
*inode
, struct page
*npage
);
3725 struct f2fs_dir_entry
*f2fs_find_in_inline_dir(struct inode
*dir
,
3726 struct fscrypt_name
*fname
, struct page
**res_page
);
3727 int f2fs_make_empty_inline_dir(struct inode
*inode
, struct inode
*parent
,
3728 struct page
*ipage
);
3729 int f2fs_add_inline_entry(struct inode
*dir
, const struct qstr
*new_name
,
3730 const struct qstr
*orig_name
,
3731 struct inode
*inode
, nid_t ino
, umode_t mode
);
3732 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*dentry
,
3733 struct page
*page
, struct inode
*dir
,
3734 struct inode
*inode
);
3735 bool f2fs_empty_inline_dir(struct inode
*dir
);
3736 int f2fs_read_inline_dir(struct file
*file
, struct dir_context
*ctx
,
3737 struct fscrypt_str
*fstr
);
3738 int f2fs_inline_data_fiemap(struct inode
*inode
,
3739 struct fiemap_extent_info
*fieinfo
,
3740 __u64 start
, __u64 len
);
3745 unsigned long f2fs_shrink_count(struct shrinker
*shrink
,
3746 struct shrink_control
*sc
);
3747 unsigned long f2fs_shrink_scan(struct shrinker
*shrink
,
3748 struct shrink_control
*sc
);
3749 void f2fs_join_shrinker(struct f2fs_sb_info
*sbi
);
3750 void f2fs_leave_shrinker(struct f2fs_sb_info
*sbi
);
3755 struct rb_entry
*f2fs_lookup_rb_tree(struct rb_root_cached
*root
,
3756 struct rb_entry
*cached_re
, unsigned int ofs
);
3757 struct rb_node
**f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info
*sbi
,
3758 struct rb_root_cached
*root
,
3759 struct rb_node
**parent
,
3760 unsigned int ofs
, bool *leftmost
);
3761 struct rb_entry
*f2fs_lookup_rb_tree_ret(struct rb_root_cached
*root
,
3762 struct rb_entry
*cached_re
, unsigned int ofs
,
3763 struct rb_entry
**prev_entry
, struct rb_entry
**next_entry
,
3764 struct rb_node
***insert_p
, struct rb_node
**insert_parent
,
3765 bool force
, bool *leftmost
);
3766 bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info
*sbi
,
3767 struct rb_root_cached
*root
);
3768 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3769 bool f2fs_init_extent_tree(struct inode
*inode
, struct f2fs_extent
*i_ext
);
3770 void f2fs_drop_extent_tree(struct inode
*inode
);
3771 unsigned int f2fs_destroy_extent_node(struct inode
*inode
);
3772 void f2fs_destroy_extent_tree(struct inode
*inode
);
3773 bool f2fs_lookup_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
3774 struct extent_info
*ei
);
3775 void f2fs_update_extent_cache(struct dnode_of_data
*dn
);
3776 void f2fs_update_extent_cache_range(struct dnode_of_data
*dn
,
3777 pgoff_t fofs
, block_t blkaddr
, unsigned int len
);
3778 void f2fs_init_extent_cache_info(struct f2fs_sb_info
*sbi
);
3779 int __init
f2fs_create_extent_cache(void);
3780 void f2fs_destroy_extent_cache(void);
3785 int __init
f2fs_init_sysfs(void);
3786 void f2fs_exit_sysfs(void);
3787 int f2fs_register_sysfs(struct f2fs_sb_info
*sbi
);
3788 void f2fs_unregister_sysfs(struct f2fs_sb_info
*sbi
);
3791 extern const struct fsverity_operations f2fs_verityops
;
3796 static inline bool f2fs_encrypted_file(struct inode
*inode
)
3798 return IS_ENCRYPTED(inode
) && S_ISREG(inode
->i_mode
);
3801 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
3803 #ifdef CONFIG_FS_ENCRYPTION
3804 file_set_encrypt(inode
);
3805 f2fs_set_inode_flags(inode
);
3810 * Returns true if the reads of the inode's data need to undergo some
3811 * postprocessing step, like decryption or authenticity verification.
3813 static inline bool f2fs_post_read_required(struct inode
*inode
)
3815 return f2fs_encrypted_file(inode
) || fsverity_active(inode
) ||
3816 f2fs_compressed_file(inode
);
3822 #ifdef CONFIG_F2FS_FS_COMPRESSION
3823 bool f2fs_is_compressed_page(struct page
*page
);
3824 struct page
*f2fs_compress_control_page(struct page
*page
);
3825 int f2fs_prepare_compress_overwrite(struct inode
*inode
,
3826 struct page
**pagep
, pgoff_t index
, void **fsdata
);
3827 bool f2fs_compress_write_end(struct inode
*inode
, void *fsdata
,
3828 pgoff_t index
, unsigned copied
);
3829 int f2fs_truncate_partial_cluster(struct inode
*inode
, u64 from
, bool lock
);
3830 void f2fs_compress_write_end_io(struct bio
*bio
, struct page
*page
);
3831 bool f2fs_is_compress_backend_ready(struct inode
*inode
);
3832 int f2fs_init_compress_mempool(void);
3833 void f2fs_destroy_compress_mempool(void);
3834 void f2fs_decompress_pages(struct bio
*bio
, struct page
*page
, bool verity
);
3835 bool f2fs_cluster_is_empty(struct compress_ctx
*cc
);
3836 bool f2fs_cluster_can_merge_page(struct compress_ctx
*cc
, pgoff_t index
);
3837 void f2fs_compress_ctx_add_page(struct compress_ctx
*cc
, struct page
*page
);
3838 int f2fs_write_multi_pages(struct compress_ctx
*cc
,
3840 struct writeback_control
*wbc
,
3841 enum iostat_type io_type
);
3842 int f2fs_is_compressed_cluster(struct inode
*inode
, pgoff_t index
);
3843 int f2fs_read_multi_pages(struct compress_ctx
*cc
, struct bio
**bio_ret
,
3844 unsigned nr_pages
, sector_t
*last_block_in_bio
,
3845 bool is_readahead
, bool for_write
);
3846 struct decompress_io_ctx
*f2fs_alloc_dic(struct compress_ctx
*cc
);
3847 void f2fs_free_dic(struct decompress_io_ctx
*dic
);
3848 void f2fs_decompress_end_io(struct page
**rpages
,
3849 unsigned int cluster_size
, bool err
, bool verity
);
3850 int f2fs_init_compress_ctx(struct compress_ctx
*cc
);
3851 void f2fs_destroy_compress_ctx(struct compress_ctx
*cc
);
3852 void f2fs_init_compress_info(struct f2fs_sb_info
*sbi
);
3854 static inline bool f2fs_is_compressed_page(struct page
*page
) { return false; }
3855 static inline bool f2fs_is_compress_backend_ready(struct inode
*inode
)
3857 if (!f2fs_compressed_file(inode
))
3859 /* not support compression */
3862 static inline struct page
*f2fs_compress_control_page(struct page
*page
)
3865 return ERR_PTR(-EINVAL
);
3867 static inline int f2fs_init_compress_mempool(void) { return 0; }
3868 static inline void f2fs_destroy_compress_mempool(void) { }
3871 static inline void set_compress_context(struct inode
*inode
)
3873 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3875 F2FS_I(inode
)->i_compress_algorithm
=
3876 F2FS_OPTION(sbi
).compress_algorithm
;
3877 F2FS_I(inode
)->i_log_cluster_size
=
3878 F2FS_OPTION(sbi
).compress_log_size
;
3879 F2FS_I(inode
)->i_cluster_size
=
3880 1 << F2FS_I(inode
)->i_log_cluster_size
;
3881 F2FS_I(inode
)->i_flags
|= F2FS_COMPR_FL
;
3882 set_inode_flag(inode
, FI_COMPRESSED_FILE
);
3883 stat_inc_compr_inode(inode
);
3884 f2fs_mark_inode_dirty_sync(inode
, true);
3887 static inline u64
f2fs_disable_compressed_file(struct inode
*inode
)
3889 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
3891 if (!f2fs_compressed_file(inode
))
3893 if (S_ISREG(inode
->i_mode
)) {
3894 if (get_dirty_pages(inode
))
3896 if (fi
->i_compr_blocks
)
3897 return fi
->i_compr_blocks
;
3900 fi
->i_flags
&= ~F2FS_COMPR_FL
;
3901 stat_dec_compr_inode(inode
);
3902 clear_inode_flag(inode
, FI_COMPRESSED_FILE
);
3903 f2fs_mark_inode_dirty_sync(inode
, true);
3907 #define F2FS_FEATURE_FUNCS(name, flagname) \
3908 static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
3910 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
3913 F2FS_FEATURE_FUNCS(encrypt
, ENCRYPT
);
3914 F2FS_FEATURE_FUNCS(blkzoned
, BLKZONED
);
3915 F2FS_FEATURE_FUNCS(extra_attr
, EXTRA_ATTR
);
3916 F2FS_FEATURE_FUNCS(project_quota
, PRJQUOTA
);
3917 F2FS_FEATURE_FUNCS(inode_chksum
, INODE_CHKSUM
);
3918 F2FS_FEATURE_FUNCS(flexible_inline_xattr
, FLEXIBLE_INLINE_XATTR
);
3919 F2FS_FEATURE_FUNCS(quota_ino
, QUOTA_INO
);
3920 F2FS_FEATURE_FUNCS(inode_crtime
, INODE_CRTIME
);
3921 F2FS_FEATURE_FUNCS(lost_found
, LOST_FOUND
);
3922 F2FS_FEATURE_FUNCS(verity
, VERITY
);
3923 F2FS_FEATURE_FUNCS(sb_chksum
, SB_CHKSUM
);
3924 F2FS_FEATURE_FUNCS(casefold
, CASEFOLD
);
3925 F2FS_FEATURE_FUNCS(compression
, COMPRESSION
);
3927 #ifdef CONFIG_BLK_DEV_ZONED
3928 static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info
*sbi
, int devi
,
3931 unsigned int zno
= blkaddr
>> sbi
->log_blocks_per_blkz
;
3933 return test_bit(zno
, FDEV(devi
).blkz_seq
);
3937 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info
*sbi
)
3939 return f2fs_sb_has_blkzoned(sbi
);
3942 static inline bool f2fs_bdev_support_discard(struct block_device
*bdev
)
3944 return blk_queue_discard(bdev_get_queue(bdev
)) ||
3945 bdev_is_zoned(bdev
);
3948 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info
*sbi
)
3952 if (!f2fs_is_multi_device(sbi
))
3953 return f2fs_bdev_support_discard(sbi
->sb
->s_bdev
);
3955 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
3956 if (f2fs_bdev_support_discard(FDEV(i
).bdev
))
3961 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info
*sbi
)
3963 return (test_opt(sbi
, DISCARD
) && f2fs_hw_support_discard(sbi
)) ||
3964 f2fs_hw_should_discard(sbi
);
3967 static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info
*sbi
)
3971 if (!f2fs_is_multi_device(sbi
))
3972 return bdev_read_only(sbi
->sb
->s_bdev
);
3974 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
3975 if (bdev_read_only(FDEV(i
).bdev
))
3980 static inline bool f2fs_lfs_mode(struct f2fs_sb_info
*sbi
)
3982 return F2FS_OPTION(sbi
).fs_mode
== FS_MODE_LFS
;
3985 static inline bool f2fs_may_encrypt(struct inode
*dir
, struct inode
*inode
)
3987 #ifdef CONFIG_FS_ENCRYPTION
3988 struct f2fs_sb_info
*sbi
= F2FS_I_SB(dir
);
3989 umode_t mode
= inode
->i_mode
;
3992 * If the directory encrypted or dummy encryption enabled,
3993 * then we should encrypt the inode.
3995 if (IS_ENCRYPTED(dir
) || DUMMY_ENCRYPTION_ENABLED(sbi
))
3996 return (S_ISREG(mode
) || S_ISDIR(mode
) || S_ISLNK(mode
));
4001 static inline bool f2fs_may_compress(struct inode
*inode
)
4003 if (IS_SWAPFILE(inode
) || f2fs_is_pinned_file(inode
) ||
4004 f2fs_is_atomic_file(inode
) ||
4005 f2fs_is_volatile_file(inode
))
4007 return S_ISREG(inode
->i_mode
) || S_ISDIR(inode
->i_mode
);
4010 static inline void f2fs_i_compr_blocks_update(struct inode
*inode
,
4011 u64 blocks
, bool add
)
4013 int diff
= F2FS_I(inode
)->i_cluster_size
- blocks
;
4016 F2FS_I(inode
)->i_compr_blocks
+= diff
;
4017 stat_add_compr_blocks(inode
, diff
);
4019 F2FS_I(inode
)->i_compr_blocks
-= diff
;
4020 stat_sub_compr_blocks(inode
, diff
);
4022 f2fs_mark_inode_dirty_sync(inode
, true);
4025 static inline int block_unaligned_IO(struct inode
*inode
,
4026 struct kiocb
*iocb
, struct iov_iter
*iter
)
4028 unsigned int i_blkbits
= READ_ONCE(inode
->i_blkbits
);
4029 unsigned int blocksize_mask
= (1 << i_blkbits
) - 1;
4030 loff_t offset
= iocb
->ki_pos
;
4031 unsigned long align
= offset
| iov_iter_alignment(iter
);
4033 return align
& blocksize_mask
;
4036 static inline int allow_outplace_dio(struct inode
*inode
,
4037 struct kiocb
*iocb
, struct iov_iter
*iter
)
4039 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
4040 int rw
= iov_iter_rw(iter
);
4042 return (f2fs_lfs_mode(sbi
) && (rw
== WRITE
) &&
4043 !block_unaligned_IO(inode
, iocb
, iter
));
4046 static inline bool f2fs_force_buffered_io(struct inode
*inode
,
4047 struct kiocb
*iocb
, struct iov_iter
*iter
)
4049 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
4050 int rw
= iov_iter_rw(iter
);
4052 if (f2fs_post_read_required(inode
))
4054 if (f2fs_is_multi_device(sbi
))
4057 * for blkzoned device, fallback direct IO to buffered IO, so
4058 * all IOs can be serialized by log-structured write.
4060 if (f2fs_sb_has_blkzoned(sbi
))
4062 if (f2fs_lfs_mode(sbi
) && (rw
== WRITE
)) {
4063 if (block_unaligned_IO(inode
, iocb
, iter
))
4065 if (F2FS_IO_ALIGNED(sbi
))
4068 if (is_sbi_flag_set(F2FS_I_SB(inode
), SBI_CP_DISABLED
) &&
4069 !IS_SWAPFILE(inode
))
4075 #ifdef CONFIG_F2FS_FAULT_INJECTION
4076 extern void f2fs_build_fault_attr(struct f2fs_sb_info
*sbi
, unsigned int rate
,
4079 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
4082 static inline bool is_journalled_quota(struct f2fs_sb_info
*sbi
)
4085 if (f2fs_sb_has_quota_ino(sbi
))
4087 if (F2FS_OPTION(sbi
).s_qf_names
[USRQUOTA
] ||
4088 F2FS_OPTION(sbi
).s_qf_names
[GRPQUOTA
] ||
4089 F2FS_OPTION(sbi
).s_qf_names
[PRJQUOTA
])
4095 #define EFSBADCRC EBADMSG /* Bad CRC detected */
4096 #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
4098 #endif /* _LINUX_F2FS_H */