1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
11 #include <linux/types.h>
12 #include <linux/page-flags.h>
13 #include <linux/buffer_head.h>
14 #include <linux/slab.h>
15 #include <linux/crc32.h>
16 #include <linux/magic.h>
17 #include <linux/kobject.h>
18 #include <linux/sched.h>
19 #include <linux/cred.h>
20 #include <linux/vmalloc.h>
21 #include <linux/bio.h>
22 #include <linux/blkdev.h>
23 #include <linux/quotaops.h>
24 #include <crypto/hash.h>
26 #define __FS_HAS_ENCRYPTION IS_ENABLED(CONFIG_F2FS_FS_ENCRYPTION)
27 #include <linux/fscrypt.h>
29 #ifdef CONFIG_F2FS_CHECK_FS
30 #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
32 #define f2fs_bug_on(sbi, condition) \
34 if (unlikely(condition)) { \
36 set_sbi_flag(sbi, SBI_NEED_FSCK); \
60 #ifdef CONFIG_F2FS_FAULT_INJECTION
61 #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
63 struct f2fs_fault_info
{
65 unsigned int inject_rate
;
66 unsigned int inject_type
;
69 extern char *f2fs_fault_name
[FAULT_MAX
];
70 #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
76 #define F2FS_MOUNT_BG_GC 0x00000001
77 #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002
78 #define F2FS_MOUNT_DISCARD 0x00000004
79 #define F2FS_MOUNT_NOHEAP 0x00000008
80 #define F2FS_MOUNT_XATTR_USER 0x00000010
81 #define F2FS_MOUNT_POSIX_ACL 0x00000020
82 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
83 #define F2FS_MOUNT_INLINE_XATTR 0x00000080
84 #define F2FS_MOUNT_INLINE_DATA 0x00000100
85 #define F2FS_MOUNT_INLINE_DENTRY 0x00000200
86 #define F2FS_MOUNT_FLUSH_MERGE 0x00000400
87 #define F2FS_MOUNT_NOBARRIER 0x00000800
88 #define F2FS_MOUNT_FASTBOOT 0x00001000
89 #define F2FS_MOUNT_EXTENT_CACHE 0x00002000
90 #define F2FS_MOUNT_FORCE_FG_GC 0x00004000
91 #define F2FS_MOUNT_DATA_FLUSH 0x00008000
92 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
93 #define F2FS_MOUNT_ADAPTIVE 0x00020000
94 #define F2FS_MOUNT_LFS 0x00040000
95 #define F2FS_MOUNT_USRQUOTA 0x00080000
96 #define F2FS_MOUNT_GRPQUOTA 0x00100000
97 #define F2FS_MOUNT_PRJQUOTA 0x00200000
98 #define F2FS_MOUNT_QUOTA 0x00400000
99 #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
100 #define F2FS_MOUNT_RESERVE_ROOT 0x01000000
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 struct f2fs_mount_info
{
119 int write_io_size_bits
; /* Write IO size bits */
120 block_t root_reserved_blocks
; /* root reserved blocks */
121 kuid_t s_resuid
; /* reserved blocks for uid */
122 kgid_t s_resgid
; /* reserved blocks for gid */
123 int active_logs
; /* # of active logs */
124 int inline_xattr_size
; /* inline xattr size */
125 #ifdef CONFIG_F2FS_FAULT_INJECTION
126 struct f2fs_fault_info fault_info
; /* For fault injection */
129 /* Names of quota files with journalled quota */
130 char *s_qf_names
[MAXQUOTAS
];
131 int s_jquota_fmt
; /* Format of quota to use */
133 /* For which write hints are passed down to block layer */
135 int alloc_mode
; /* segment allocation policy */
136 int fsync_mode
; /* fsync policy */
137 bool test_dummy_encryption
; /* test dummy encryption */
140 #define F2FS_FEATURE_ENCRYPT 0x0001
141 #define F2FS_FEATURE_BLKZONED 0x0002
142 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
143 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
144 #define F2FS_FEATURE_PRJQUOTA 0x0010
145 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
146 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
147 #define F2FS_FEATURE_QUOTA_INO 0x0080
148 #define F2FS_FEATURE_INODE_CRTIME 0x0100
149 #define F2FS_FEATURE_LOST_FOUND 0x0200
150 #define F2FS_FEATURE_VERITY 0x0400 /* reserved */
152 #define F2FS_HAS_FEATURE(sb, mask) \
153 ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
154 #define F2FS_SET_FEATURE(sb, mask) \
155 (F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask))
156 #define F2FS_CLEAR_FEATURE(sb, mask) \
157 (F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask))
160 * Default values for user and/or group using reserved blocks
162 #define F2FS_DEF_RESUID 0
163 #define F2FS_DEF_RESGID 0
166 * For checkpoint manager
173 #define CP_UMOUNT 0x00000001
174 #define CP_FASTBOOT 0x00000002
175 #define CP_SYNC 0x00000004
176 #define CP_RECOVERY 0x00000008
177 #define CP_DISCARD 0x00000010
178 #define CP_TRIMMED 0x00000020
180 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
181 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
182 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
183 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
184 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
185 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
186 #define DEF_CP_INTERVAL 60 /* 60 secs */
187 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
197 * indicate meta/data type
209 /* for the list of ino */
211 ORPHAN_INO
, /* for orphan ino list */
212 APPEND_INO
, /* for append ino list */
213 UPDATE_INO
, /* for update ino list */
214 TRANS_DIR_INO
, /* for trasactions dir ino list */
215 FLUSH_INO
, /* for multiple device flushing */
216 MAX_INO_ENTRY
, /* max. list */
220 struct list_head list
; /* list head */
221 nid_t ino
; /* inode number */
222 unsigned int dirty_device
; /* dirty device bitmap */
225 /* for the list of inodes to be GCed */
227 struct list_head list
; /* list head */
228 struct inode
*inode
; /* vfs inode pointer */
231 struct fsync_node_entry
{
232 struct list_head list
; /* list head */
233 struct page
*page
; /* warm node page pointer */
234 unsigned int seq_id
; /* sequence id */
237 /* for the bitmap indicate blocks to be discarded */
238 struct discard_entry
{
239 struct list_head list
; /* list head */
240 block_t start_blkaddr
; /* start blockaddr of current segment */
241 unsigned char discard_map
[SIT_VBLOCK_MAP_SIZE
]; /* segment discard bitmap */
244 /* default discard granularity of inner discard thread, unit: block count */
245 #define DEFAULT_DISCARD_GRANULARITY 16
247 /* max discard pend list number */
248 #define MAX_PLIST_NUM 512
249 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
250 (MAX_PLIST_NUM - 1) : (blk_num - 1))
253 D_PREP
, /* initial */
254 D_PARTIAL
, /* partially submitted */
255 D_SUBMIT
, /* all submitted */
256 D_DONE
, /* finished */
259 struct discard_info
{
260 block_t lstart
; /* logical start address */
261 block_t len
; /* length */
262 block_t start
; /* actual start address in dev */
266 struct rb_node rb_node
; /* rb node located in rb-tree */
269 block_t lstart
; /* logical start address */
270 block_t len
; /* length */
271 block_t start
; /* actual start address in dev */
273 struct discard_info di
; /* discard info */
276 struct list_head list
; /* command list */
277 struct completion wait
; /* compleation */
278 struct block_device
*bdev
; /* bdev */
279 unsigned short ref
; /* reference count */
280 unsigned char state
; /* state */
281 unsigned char issuing
; /* issuing discard */
282 int error
; /* bio error */
283 spinlock_t lock
; /* for state/bio_ref updating */
284 unsigned short bio_ref
; /* bio reference count */
295 struct discard_policy
{
296 int type
; /* type of discard */
297 unsigned int min_interval
; /* used for candidates exist */
298 unsigned int mid_interval
; /* used for device busy */
299 unsigned int max_interval
; /* used for candidates not exist */
300 unsigned int max_requests
; /* # of discards issued per round */
301 unsigned int io_aware_gran
; /* minimum granularity discard not be aware of I/O */
302 bool io_aware
; /* issue discard in idle time */
303 bool sync
; /* submit discard with REQ_SYNC flag */
304 bool ordered
; /* issue discard by lba order */
305 unsigned int granularity
; /* discard granularity */
308 struct discard_cmd_control
{
309 struct task_struct
*f2fs_issue_discard
; /* discard thread */
310 struct list_head entry_list
; /* 4KB discard entry list */
311 struct list_head pend_list
[MAX_PLIST_NUM
];/* store pending entries */
312 struct list_head wait_list
; /* store on-flushing entries */
313 struct list_head fstrim_list
; /* in-flight discard from fstrim */
314 wait_queue_head_t discard_wait_queue
; /* waiting queue for wake-up */
315 unsigned int discard_wake
; /* to wake up discard thread */
316 struct mutex cmd_lock
;
317 unsigned int nr_discards
; /* # of discards in the list */
318 unsigned int max_discards
; /* max. discards to be issued */
319 unsigned int discard_granularity
; /* discard granularity */
320 unsigned int undiscard_blks
; /* # of undiscard blocks */
321 unsigned int next_pos
; /* next discard position */
322 atomic_t issued_discard
; /* # of issued discard */
323 atomic_t issing_discard
; /* # of issing discard */
324 atomic_t discard_cmd_cnt
; /* # of cached cmd count */
325 struct rb_root root
; /* root of discard rb-tree */
326 bool rbtree_check
; /* config for consistence check */
329 /* for the list of fsync inodes, used only during recovery */
330 struct fsync_inode_entry
{
331 struct list_head list
; /* list head */
332 struct inode
*inode
; /* vfs inode pointer */
333 block_t blkaddr
; /* block address locating the last fsync */
334 block_t last_dentry
; /* block address locating the last dentry */
337 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
338 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
340 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
341 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
342 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
343 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
345 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
346 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
348 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
350 int before
= nats_in_cursum(journal
);
352 journal
->n_nats
= cpu_to_le16(before
+ i
);
356 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
358 int before
= sits_in_cursum(journal
);
360 journal
->n_sits
= cpu_to_le16(before
+ i
);
364 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
367 if (type
== NAT_JOURNAL
)
368 return size
<= MAX_NAT_JENTRIES(journal
);
369 return size
<= MAX_SIT_JENTRIES(journal
);
375 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
376 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
377 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
379 #define F2FS_IOCTL_MAGIC 0xf5
380 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
381 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
382 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
383 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
384 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
385 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
386 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
387 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
388 struct f2fs_defragment)
389 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
390 struct f2fs_move_range)
391 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
392 struct f2fs_flush_device)
393 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
394 struct f2fs_gc_range)
395 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
396 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
397 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
398 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
400 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
401 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
402 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
405 * should be same as XFS_IOC_GOINGDOWN.
406 * Flags for going down operation used by FS_IOC_GOINGDOWN
408 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
409 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
410 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
411 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
412 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
414 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
416 * ioctl commands in 32 bit emulation
418 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
419 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
420 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
423 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
424 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
426 struct f2fs_gc_range
{
432 struct f2fs_defragment
{
437 struct f2fs_move_range
{
438 u32 dst_fd
; /* destination fd */
439 u64 pos_in
; /* start position in src_fd */
440 u64 pos_out
; /* start position in dst_fd */
441 u64 len
; /* size to move */
444 struct f2fs_flush_device
{
445 u32 dev_num
; /* device number to flush */
446 u32 segments
; /* # of segments to flush */
449 /* for inline stuff */
450 #define DEF_INLINE_RESERVED_SIZE 1
451 #define DEF_MIN_INLINE_SIZE 1
452 static inline int get_extra_isize(struct inode
*inode
);
453 static inline int get_inline_xattr_addrs(struct inode
*inode
);
454 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
455 (CUR_ADDRS_PER_INODE(inode) - \
456 get_inline_xattr_addrs(inode) - \
457 DEF_INLINE_RESERVED_SIZE))
460 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
461 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
463 #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \
464 BITS_PER_BYTE - 1) / BITS_PER_BYTE)
465 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
466 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
467 NR_INLINE_DENTRY(inode) + \
468 INLINE_DENTRY_BITMAP_SIZE(inode)))
471 * For INODE and NODE manager
473 /* for directory operations */
474 struct f2fs_dentry_ptr
{
477 struct f2fs_dir_entry
*dentry
;
478 __u8 (*filename
)[F2FS_SLOT_LEN
];
483 static inline void make_dentry_ptr_block(struct inode
*inode
,
484 struct f2fs_dentry_ptr
*d
, struct f2fs_dentry_block
*t
)
487 d
->max
= NR_DENTRY_IN_BLOCK
;
488 d
->nr_bitmap
= SIZE_OF_DENTRY_BITMAP
;
489 d
->bitmap
= t
->dentry_bitmap
;
490 d
->dentry
= t
->dentry
;
491 d
->filename
= t
->filename
;
494 static inline void make_dentry_ptr_inline(struct inode
*inode
,
495 struct f2fs_dentry_ptr
*d
, void *t
)
497 int entry_cnt
= NR_INLINE_DENTRY(inode
);
498 int bitmap_size
= INLINE_DENTRY_BITMAP_SIZE(inode
);
499 int reserved_size
= INLINE_RESERVED_SIZE(inode
);
503 d
->nr_bitmap
= bitmap_size
;
505 d
->dentry
= t
+ bitmap_size
+ reserved_size
;
506 d
->filename
= t
+ bitmap_size
+ reserved_size
+
507 SIZE_OF_DIR_ENTRY
* entry_cnt
;
511 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
512 * as its node offset to distinguish from index node blocks.
513 * But some bits are used to mark the node block.
515 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
518 ALLOC_NODE
, /* allocate a new node page if needed */
519 LOOKUP_NODE
, /* look up a node without readahead */
521 * look up a node with readahead called
526 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */
528 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
530 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
532 /* for in-memory extent cache entry */
533 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
535 /* number of extent info in extent cache we try to shrink */
536 #define EXTENT_CACHE_SHRINK_NUMBER 128
539 struct rb_node rb_node
; /* rb node located in rb-tree */
540 unsigned int ofs
; /* start offset of the entry */
541 unsigned int len
; /* length of the entry */
545 unsigned int fofs
; /* start offset in a file */
546 unsigned int len
; /* length of the extent */
547 u32 blk
; /* start block address of the extent */
551 struct rb_node rb_node
;
558 struct extent_info ei
; /* extent info */
561 struct list_head list
; /* node in global extent list of sbi */
562 struct extent_tree
*et
; /* extent tree pointer */
566 nid_t ino
; /* inode number */
567 struct rb_root root
; /* root of extent info rb-tree */
568 struct extent_node
*cached_en
; /* recently accessed extent node */
569 struct extent_info largest
; /* largested extent info */
570 struct list_head list
; /* to be used by sbi->zombie_list */
571 rwlock_t lock
; /* protect extent info rb-tree */
572 atomic_t node_cnt
; /* # of extent node in rb-tree*/
573 bool largest_updated
; /* largest extent updated */
577 * This structure is taken from ext4_map_blocks.
579 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
581 #define F2FS_MAP_NEW (1 << BH_New)
582 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
583 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
584 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
587 struct f2fs_map_blocks
{
591 unsigned int m_flags
;
592 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
593 pgoff_t
*m_next_extent
; /* point to next possible extent */
597 /* for flag in get_data_block */
599 F2FS_GET_BLOCK_DEFAULT
,
600 F2FS_GET_BLOCK_FIEMAP
,
603 F2FS_GET_BLOCK_PRE_DIO
,
604 F2FS_GET_BLOCK_PRE_AIO
,
605 F2FS_GET_BLOCK_PRECACHE
,
609 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
611 #define FADVISE_COLD_BIT 0x01
612 #define FADVISE_LOST_PINO_BIT 0x02
613 #define FADVISE_ENCRYPT_BIT 0x04
614 #define FADVISE_ENC_NAME_BIT 0x08
615 #define FADVISE_KEEP_SIZE_BIT 0x10
616 #define FADVISE_HOT_BIT 0x20
617 #define FADVISE_VERITY_BIT 0x40 /* reserved */
619 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
621 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
622 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
623 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
624 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
625 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
626 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
627 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
628 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
629 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
630 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
631 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
632 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
633 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
634 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
635 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
636 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
638 #define DEF_DIR_LEVEL 0
646 struct f2fs_inode_info
{
647 struct inode vfs_inode
; /* serve a vfs inode */
648 unsigned long i_flags
; /* keep an inode flags for ioctl */
649 unsigned char i_advise
; /* use to give file attribute hints */
650 unsigned char i_dir_level
; /* use for dentry level for large dir */
651 unsigned int i_current_depth
; /* only for directory depth */
652 /* for gc failure statistic */
653 unsigned int i_gc_failures
[MAX_GC_FAILURE
];
654 unsigned int i_pino
; /* parent inode number */
655 umode_t i_acl_mode
; /* keep file acl mode temporarily */
657 /* Use below internally in f2fs*/
658 unsigned long flags
; /* use to pass per-file flags */
659 struct rw_semaphore i_sem
; /* protect fi info */
660 atomic_t dirty_pages
; /* # of dirty pages */
661 f2fs_hash_t chash
; /* hash value of given file name */
662 unsigned int clevel
; /* maximum level of given file name */
663 struct task_struct
*task
; /* lookup and create consistency */
664 struct task_struct
*cp_task
; /* separate cp/wb IO stats*/
665 nid_t i_xattr_nid
; /* node id that contains xattrs */
666 loff_t last_disk_size
; /* lastly written file size */
669 struct dquot
*i_dquot
[MAXQUOTAS
];
671 /* quota space reservation, managed internally by quota code */
672 qsize_t i_reserved_quota
;
674 struct list_head dirty_list
; /* dirty list for dirs and files */
675 struct list_head gdirty_list
; /* linked in global dirty list */
676 struct list_head inmem_ilist
; /* list for inmem inodes */
677 struct list_head inmem_pages
; /* inmemory pages managed by f2fs */
678 struct task_struct
*inmem_task
; /* store inmemory task */
679 struct mutex inmem_lock
; /* lock for inmemory pages */
680 struct extent_tree
*extent_tree
; /* cached extent_tree entry */
682 /* avoid racing between foreground op and gc */
683 struct rw_semaphore i_gc_rwsem
[2];
684 struct rw_semaphore i_mmap_sem
;
685 struct rw_semaphore i_xattr_sem
; /* avoid racing between reading and changing EAs */
687 int i_extra_isize
; /* size of extra space located in i_addr */
688 kprojid_t i_projid
; /* id for project quota */
689 int i_inline_xattr_size
; /* inline xattr size */
690 struct timespec64 i_crtime
; /* inode creation time */
691 struct timespec64 i_disk_time
[4];/* inode disk times */
694 static inline void get_extent_info(struct extent_info
*ext
,
695 struct f2fs_extent
*i_ext
)
697 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
698 ext
->blk
= le32_to_cpu(i_ext
->blk
);
699 ext
->len
= le32_to_cpu(i_ext
->len
);
702 static inline void set_raw_extent(struct extent_info
*ext
,
703 struct f2fs_extent
*i_ext
)
705 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
706 i_ext
->blk
= cpu_to_le32(ext
->blk
);
707 i_ext
->len
= cpu_to_le32(ext
->len
);
710 static inline void set_extent_info(struct extent_info
*ei
, unsigned int fofs
,
711 u32 blk
, unsigned int len
)
718 static inline bool __is_discard_mergeable(struct discard_info
*back
,
719 struct discard_info
*front
, unsigned int max_len
)
721 return (back
->lstart
+ back
->len
== front
->lstart
) &&
722 (back
->len
+ front
->len
<= max_len
);
725 static inline bool __is_discard_back_mergeable(struct discard_info
*cur
,
726 struct discard_info
*back
, unsigned int max_len
)
728 return __is_discard_mergeable(back
, cur
, max_len
);
731 static inline bool __is_discard_front_mergeable(struct discard_info
*cur
,
732 struct discard_info
*front
, unsigned int max_len
)
734 return __is_discard_mergeable(cur
, front
, max_len
);
737 static inline bool __is_extent_mergeable(struct extent_info
*back
,
738 struct extent_info
*front
)
740 return (back
->fofs
+ back
->len
== front
->fofs
&&
741 back
->blk
+ back
->len
== front
->blk
);
744 static inline bool __is_back_mergeable(struct extent_info
*cur
,
745 struct extent_info
*back
)
747 return __is_extent_mergeable(back
, cur
);
750 static inline bool __is_front_mergeable(struct extent_info
*cur
,
751 struct extent_info
*front
)
753 return __is_extent_mergeable(cur
, front
);
756 extern void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
);
757 static inline void __try_update_largest_extent(struct extent_tree
*et
,
758 struct extent_node
*en
)
760 if (en
->ei
.len
> et
->largest
.len
) {
761 et
->largest
= en
->ei
;
762 et
->largest_updated
= true;
767 * For free nid management
770 FREE_NID
, /* newly added to free nid list */
771 PREALLOC_NID
, /* it is preallocated */
775 struct f2fs_nm_info
{
776 block_t nat_blkaddr
; /* base disk address of NAT */
777 nid_t max_nid
; /* maximum possible node ids */
778 nid_t available_nids
; /* # of available node ids */
779 nid_t next_scan_nid
; /* the next nid to be scanned */
780 unsigned int ram_thresh
; /* control the memory footprint */
781 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
782 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
784 /* NAT cache management */
785 struct radix_tree_root nat_root
;/* root of the nat entry cache */
786 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
787 struct rw_semaphore nat_tree_lock
; /* protect nat_tree_lock */
788 struct list_head nat_entries
; /* cached nat entry list (clean) */
789 spinlock_t nat_list_lock
; /* protect clean nat entry list */
790 unsigned int nat_cnt
; /* the # of cached nat entries */
791 unsigned int dirty_nat_cnt
; /* total num of nat entries in set */
792 unsigned int nat_blocks
; /* # of nat blocks */
794 /* free node ids management */
795 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
796 struct list_head free_nid_list
; /* list for free nids excluding preallocated nids */
797 unsigned int nid_cnt
[MAX_NID_STATE
]; /* the number of free node id */
798 spinlock_t nid_list_lock
; /* protect nid lists ops */
799 struct mutex build_lock
; /* lock for build free nids */
800 unsigned char **free_nid_bitmap
;
801 unsigned char *nat_block_bitmap
;
802 unsigned short *free_nid_count
; /* free nid count of NAT block */
805 char *nat_bitmap
; /* NAT bitmap pointer */
807 unsigned int nat_bits_blocks
; /* # of nat bits blocks */
808 unsigned char *nat_bits
; /* NAT bits blocks */
809 unsigned char *full_nat_bits
; /* full NAT pages */
810 unsigned char *empty_nat_bits
; /* empty NAT pages */
811 #ifdef CONFIG_F2FS_CHECK_FS
812 char *nat_bitmap_mir
; /* NAT bitmap mirror */
814 int bitmap_size
; /* bitmap size */
818 * this structure is used as one of function parameters.
819 * all the information are dedicated to a given direct node block determined
820 * by the data offset in a file.
822 struct dnode_of_data
{
823 struct inode
*inode
; /* vfs inode pointer */
824 struct page
*inode_page
; /* its inode page, NULL is possible */
825 struct page
*node_page
; /* cached direct node page */
826 nid_t nid
; /* node id of the direct node block */
827 unsigned int ofs_in_node
; /* data offset in the node page */
828 bool inode_page_locked
; /* inode page is locked or not */
829 bool node_changed
; /* is node block changed */
830 char cur_level
; /* level of hole node page */
831 char max_level
; /* level of current page located */
832 block_t data_blkaddr
; /* block address of the node block */
835 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
836 struct page
*ipage
, struct page
*npage
, nid_t nid
)
838 memset(dn
, 0, sizeof(*dn
));
840 dn
->inode_page
= ipage
;
841 dn
->node_page
= npage
;
848 * By default, there are 6 active log areas across the whole main area.
849 * When considering hot and cold data separation to reduce cleaning overhead,
850 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
852 * In the current design, you should not change the numbers intentionally.
853 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
854 * logs individually according to the underlying devices. (default: 6)
855 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
856 * data and 8 for node logs.
858 #define NR_CURSEG_DATA_TYPE (3)
859 #define NR_CURSEG_NODE_TYPE (3)
860 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
863 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
864 CURSEG_WARM_DATA
, /* data blocks */
865 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
866 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
867 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
868 CURSEG_COLD_NODE
, /* indirect node blocks */
873 struct completion wait
;
874 struct llist_node llnode
;
879 struct flush_cmd_control
{
880 struct task_struct
*f2fs_issue_flush
; /* flush thread */
881 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
882 atomic_t issued_flush
; /* # of issued flushes */
883 atomic_t issing_flush
; /* # of issing flushes */
884 struct llist_head issue_list
; /* list for command issue */
885 struct llist_node
*dispatch_list
; /* list for command dispatch */
888 struct f2fs_sm_info
{
889 struct sit_info
*sit_info
; /* whole segment information */
890 struct free_segmap_info
*free_info
; /* free segment information */
891 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
892 struct curseg_info
*curseg_array
; /* active segment information */
894 struct rw_semaphore curseg_lock
; /* for preventing curseg change */
896 block_t seg0_blkaddr
; /* block address of 0'th segment */
897 block_t main_blkaddr
; /* start block address of main area */
898 block_t ssa_blkaddr
; /* start block address of SSA area */
900 unsigned int segment_count
; /* total # of segments */
901 unsigned int main_segments
; /* # of segments in main area */
902 unsigned int reserved_segments
; /* # of reserved segments */
903 unsigned int ovp_segments
; /* # of overprovision segments */
905 /* a threshold to reclaim prefree segments */
906 unsigned int rec_prefree_segments
;
908 /* for batched trimming */
909 unsigned int trim_sections
; /* # of sections to trim */
911 struct list_head sit_entry_set
; /* sit entry set list */
913 unsigned int ipu_policy
; /* in-place-update policy */
914 unsigned int min_ipu_util
; /* in-place-update threshold */
915 unsigned int min_fsync_blocks
; /* threshold for fsync */
916 unsigned int min_seq_blocks
; /* threshold for sequential blocks */
917 unsigned int min_hot_blocks
; /* threshold for hot block allocation */
918 unsigned int min_ssr_sections
; /* threshold to trigger SSR allocation */
920 /* for flush command control */
921 struct flush_cmd_control
*fcc_info
;
923 /* for discard command control */
924 struct discard_cmd_control
*dcc_info
;
931 * COUNT_TYPE for monitoring
933 * f2fs monitors the number of several block types such as on-writeback,
934 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
936 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
951 * The below are the page types of bios used in submit_bio().
952 * The available types are:
953 * DATA User data pages. It operates as async mode.
954 * NODE Node pages. It operates as async mode.
955 * META FS metadata pages such as SIT, NAT, CP.
956 * NR_PAGE_TYPE The number of page types.
957 * META_FLUSH Make sure the previous pages are written
958 * with waiting the bio's completion
959 * ... Only can be used with META.
961 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
968 INMEM
, /* the below types are used by tracepoints only. */
977 HOT
= 0, /* must be zero for meta bio */
983 enum need_lock_type
{
989 enum cp_reason_type
{
1003 APP_DIRECT_IO
, /* app direct IOs */
1004 APP_BUFFERED_IO
, /* app buffered IOs */
1005 APP_WRITE_IO
, /* app write IOs */
1006 APP_MAPPED_IO
, /* app mapped IOs */
1007 FS_DATA_IO
, /* data IOs from kworker/fsync/reclaimer */
1008 FS_NODE_IO
, /* node IOs from kworker/fsync/reclaimer */
1009 FS_META_IO
, /* meta IOs from kworker/reclaimer */
1010 FS_GC_DATA_IO
, /* data IOs from forground gc */
1011 FS_GC_NODE_IO
, /* node IOs from forground gc */
1012 FS_CP_DATA_IO
, /* data IOs from checkpoint */
1013 FS_CP_NODE_IO
, /* node IOs from checkpoint */
1014 FS_CP_META_IO
, /* meta IOs from checkpoint */
1015 FS_DISCARD
, /* discard */
1019 struct f2fs_io_info
{
1020 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
1021 nid_t ino
; /* inode number */
1022 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
1023 enum temp_type temp
; /* contains HOT/WARM/COLD */
1024 int op
; /* contains REQ_OP_ */
1025 int op_flags
; /* req_flag_bits */
1026 block_t new_blkaddr
; /* new block address to be written */
1027 block_t old_blkaddr
; /* old block address before Cow */
1028 struct page
*page
; /* page to be written */
1029 struct page
*encrypted_page
; /* encrypted page */
1030 struct list_head list
; /* serialize IOs */
1031 bool submitted
; /* indicate IO submission */
1032 int need_lock
; /* indicate we need to lock cp_rwsem */
1033 bool in_list
; /* indicate fio is in io_list */
1034 bool is_meta
; /* indicate borrow meta inode mapping or not */
1035 bool retry
; /* need to reallocate block address */
1036 enum iostat_type io_type
; /* io type */
1037 struct writeback_control
*io_wbc
; /* writeback control */
1038 unsigned char version
; /* version of the node */
1041 #define is_read_io(rw) ((rw) == READ)
1042 struct f2fs_bio_info
{
1043 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
1044 struct bio
*bio
; /* bios to merge */
1045 sector_t last_block_in_bio
; /* last block number */
1046 struct f2fs_io_info fio
; /* store buffered io info. */
1047 struct rw_semaphore io_rwsem
; /* blocking op for bio */
1048 spinlock_t io_lock
; /* serialize DATA/NODE IOs */
1049 struct list_head io_list
; /* track fios */
1052 #define FDEV(i) (sbi->devs[i])
1053 #define RDEV(i) (raw_super->devs[i])
1054 struct f2fs_dev_info
{
1055 struct block_device
*bdev
;
1056 char path
[MAX_PATH_LEN
];
1057 unsigned int total_segments
;
1060 #ifdef CONFIG_BLK_DEV_ZONED
1061 unsigned int nr_blkz
; /* Total number of zones */
1062 u8
*blkz_type
; /* Array of zones type */
1067 DIR_INODE
, /* for dirty dir inode */
1068 FILE_INODE
, /* for dirty regular/symlink inode */
1069 DIRTY_META
, /* for all dirtied inode metadata */
1070 ATOMIC_FILE
, /* for all atomic files */
1074 /* for inner inode cache management */
1075 struct inode_management
{
1076 struct radix_tree_root ino_root
; /* ino entry array */
1077 spinlock_t ino_lock
; /* for ino entry lock */
1078 struct list_head ino_list
; /* inode list head */
1079 unsigned long ino_num
; /* number of entries */
1082 /* For s_flag in struct f2fs_sb_info */
1084 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
1085 SBI_IS_CLOSE
, /* specify unmounting */
1086 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
1087 SBI_POR_DOING
, /* recovery is doing or not */
1088 SBI_NEED_SB_WRITE
, /* need to recover superblock */
1089 SBI_NEED_CP
, /* need to checkpoint */
1090 SBI_IS_SHUTDOWN
, /* shutdown by ioctl */
1091 SBI_IS_RECOVERED
, /* recovered orphan/data */
1110 WHINT_MODE_OFF
, /* not pass down write hints */
1111 WHINT_MODE_USER
, /* try to pass down hints given by users */
1112 WHINT_MODE_FS
, /* pass down hints with F2FS policy */
1116 ALLOC_MODE_DEFAULT
, /* stay default */
1117 ALLOC_MODE_REUSE
, /* reuse segments as much as possible */
1121 FSYNC_MODE_POSIX
, /* fsync follows posix semantics */
1122 FSYNC_MODE_STRICT
, /* fsync behaves in line with ext4 */
1123 FSYNC_MODE_NOBARRIER
, /* fsync behaves nobarrier based on posix */
1126 #ifdef CONFIG_F2FS_FS_ENCRYPTION
1127 #define DUMMY_ENCRYPTION_ENABLED(sbi) \
1128 (unlikely(F2FS_OPTION(sbi).test_dummy_encryption))
1130 #define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
1133 struct f2fs_sb_info
{
1134 struct super_block
*sb
; /* pointer to VFS super block */
1135 struct proc_dir_entry
*s_proc
; /* proc entry */
1136 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
1137 struct rw_semaphore sb_lock
; /* lock for raw super block */
1138 int valid_super_block
; /* valid super block no */
1139 unsigned long s_flag
; /* flags for sbi */
1140 struct mutex writepages
; /* mutex for writepages() */
1142 #ifdef CONFIG_BLK_DEV_ZONED
1143 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
1144 unsigned int log_blocks_per_blkz
; /* log2 F2FS blocks per zone */
1147 /* for node-related operations */
1148 struct f2fs_nm_info
*nm_info
; /* node manager */
1149 struct inode
*node_inode
; /* cache node blocks */
1151 /* for segment-related operations */
1152 struct f2fs_sm_info
*sm_info
; /* segment manager */
1154 /* for bio operations */
1155 struct f2fs_bio_info
*write_io
[NR_PAGE_TYPE
]; /* for write bios */
1156 struct mutex wio_mutex
[NR_PAGE_TYPE
- 1][NR_TEMP_TYPE
];
1157 /* bio ordering for NODE/DATA */
1158 /* keep migration IO order for LFS mode */
1159 struct rw_semaphore io_order_lock
;
1160 mempool_t
*write_io_dummy
; /* Dummy pages */
1162 /* for checkpoint */
1163 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
1164 int cur_cp_pack
; /* remain current cp pack */
1165 spinlock_t cp_lock
; /* for flag in ckpt */
1166 struct inode
*meta_inode
; /* cache meta blocks */
1167 struct mutex cp_mutex
; /* checkpoint procedure lock */
1168 struct rw_semaphore cp_rwsem
; /* blocking FS operations */
1169 struct rw_semaphore node_write
; /* locking node writes */
1170 struct rw_semaphore node_change
; /* locking node change */
1171 wait_queue_head_t cp_wait
;
1172 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
1173 long interval_time
[MAX_TIME
]; /* to store thresholds */
1175 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
1177 spinlock_t fsync_node_lock
; /* for node entry lock */
1178 struct list_head fsync_node_list
; /* node list head */
1179 unsigned int fsync_seg_id
; /* sequence id */
1180 unsigned int fsync_node_num
; /* number of node entries */
1182 /* for orphan inode, use 0'th array */
1183 unsigned int max_orphans
; /* max orphan inodes */
1185 /* for inode management */
1186 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
1187 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
1189 /* for extent tree cache */
1190 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
1191 struct mutex extent_tree_lock
; /* locking extent radix tree */
1192 struct list_head extent_list
; /* lru list for shrinker */
1193 spinlock_t extent_lock
; /* locking extent lru list */
1194 atomic_t total_ext_tree
; /* extent tree count */
1195 struct list_head zombie_list
; /* extent zombie tree list */
1196 atomic_t total_zombie_tree
; /* extent zombie tree count */
1197 atomic_t total_ext_node
; /* extent info count */
1199 /* basic filesystem units */
1200 unsigned int log_sectors_per_block
; /* log2 sectors per block */
1201 unsigned int log_blocksize
; /* log2 block size */
1202 unsigned int blocksize
; /* block size */
1203 unsigned int root_ino_num
; /* root inode number*/
1204 unsigned int node_ino_num
; /* node inode number*/
1205 unsigned int meta_ino_num
; /* meta inode number*/
1206 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
1207 unsigned int blocks_per_seg
; /* blocks per segment */
1208 unsigned int segs_per_sec
; /* segments per section */
1209 unsigned int secs_per_zone
; /* sections per zone */
1210 unsigned int total_sections
; /* total section count */
1211 unsigned int total_node_count
; /* total node block count */
1212 unsigned int total_valid_node_count
; /* valid node block count */
1213 loff_t max_file_blocks
; /* max block index of file */
1214 int dir_level
; /* directory level */
1215 unsigned int trigger_ssr_threshold
; /* threshold to trigger ssr */
1216 int readdir_ra
; /* readahead inode in readdir */
1218 block_t user_block_count
; /* # of user blocks */
1219 block_t total_valid_block_count
; /* # of valid blocks */
1220 block_t discard_blks
; /* discard command candidats */
1221 block_t last_valid_block_count
; /* for recovery */
1222 block_t reserved_blocks
; /* configurable reserved blocks */
1223 block_t current_reserved_blocks
; /* current reserved blocks */
1225 unsigned int nquota_files
; /* # of quota sysfile */
1227 u32 s_next_generation
; /* for NFS support */
1229 /* # of pages, see count_type */
1230 atomic_t nr_pages
[NR_COUNT_TYPE
];
1231 /* # of allocated blocks */
1232 struct percpu_counter alloc_valid_block_count
;
1234 /* writeback control */
1235 atomic_t wb_sync_req
[META
]; /* count # of WB_SYNC threads */
1237 /* valid inode count */
1238 struct percpu_counter total_valid_inode_count
;
1240 struct f2fs_mount_info mount_opt
; /* mount options */
1242 /* for cleaning operations */
1243 struct mutex gc_mutex
; /* mutex for GC */
1244 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
1245 unsigned int cur_victim_sec
; /* current victim section num */
1246 unsigned int gc_mode
; /* current GC state */
1247 /* for skip statistic */
1248 unsigned long long skipped_atomic_files
[2]; /* FG_GC and BG_GC */
1249 unsigned long long skipped_gc_rwsem
; /* FG_GC only */
1251 /* threshold for gc trials on pinned files */
1252 u64 gc_pin_file_threshold
;
1254 /* maximum # of trials to find a victim segment for SSR and GC */
1255 unsigned int max_victim_search
;
1258 * for stat information.
1259 * one is for the LFS mode, and the other is for the SSR mode.
1261 #ifdef CONFIG_F2FS_STAT_FS
1262 struct f2fs_stat_info
*stat_info
; /* FS status information */
1263 unsigned int segment_count
[2]; /* # of allocated segments */
1264 unsigned int block_count
[2]; /* # of allocated blocks */
1265 atomic_t inplace_count
; /* # of inplace update */
1266 atomic64_t total_hit_ext
; /* # of lookup extent cache */
1267 atomic64_t read_hit_rbtree
; /* # of hit rbtree extent node */
1268 atomic64_t read_hit_largest
; /* # of hit largest extent node */
1269 atomic64_t read_hit_cached
; /* # of hit cached extent node */
1270 atomic_t inline_xattr
; /* # of inline_xattr inodes */
1271 atomic_t inline_inode
; /* # of inline_data inodes */
1272 atomic_t inline_dir
; /* # of inline_dentry inodes */
1273 atomic_t aw_cnt
; /* # of atomic writes */
1274 atomic_t vw_cnt
; /* # of volatile writes */
1275 atomic_t max_aw_cnt
; /* max # of atomic writes */
1276 atomic_t max_vw_cnt
; /* max # of volatile writes */
1277 int bg_gc
; /* background gc calls */
1278 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
1280 spinlock_t stat_lock
; /* lock for stat operations */
1282 /* For app/fs IO statistics */
1283 spinlock_t iostat_lock
;
1284 unsigned long long write_iostat
[NR_IO_TYPE
];
1287 /* For sysfs suppport */
1288 struct kobject s_kobj
;
1289 struct completion s_kobj_unregister
;
1291 /* For shrinker support */
1292 struct list_head s_list
;
1293 int s_ndevs
; /* number of devices */
1294 struct f2fs_dev_info
*devs
; /* for device list */
1295 unsigned int dirty_device
; /* for checkpoint data flush */
1296 spinlock_t dev_lock
; /* protect dirty_device */
1297 struct mutex umount_mutex
;
1298 unsigned int shrinker_run_no
;
1300 /* For write statistics */
1301 u64 sectors_written_start
;
1304 /* Reference to checksum algorithm driver via cryptoapi */
1305 struct crypto_shash
*s_chksum_driver
;
1307 /* Precomputed FS UUID checksum for seeding other checksums */
1308 __u32 s_chksum_seed
;
1311 #ifdef CONFIG_F2FS_FAULT_INJECTION
1312 #define f2fs_show_injection_info(type) \
1313 printk_ratelimited("%sF2FS-fs : inject %s in %s of %pF\n", \
1314 KERN_INFO, f2fs_fault_name[type], \
1315 __func__, __builtin_return_address(0))
1316 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1318 struct f2fs_fault_info
*ffi
= &F2FS_OPTION(sbi
).fault_info
;
1320 if (!ffi
->inject_rate
)
1323 if (!IS_FAULT_SET(ffi
, type
))
1326 atomic_inc(&ffi
->inject_ops
);
1327 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
1328 atomic_set(&ffi
->inject_ops
, 0);
1334 #define f2fs_show_injection_info(type) do { } while (0)
1335 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1341 /* For write statistics. Suppose sector size is 512 bytes,
1342 * and the return value is in kbytes. s is of struct f2fs_sb_info.
1344 #define BD_PART_WRITTEN(s) \
1345 (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
1346 (s)->sectors_written_start) >> 1)
1348 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
1350 unsigned long now
= jiffies
;
1352 sbi
->last_time
[type
] = now
;
1354 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1355 if (type
== REQ_TIME
) {
1356 sbi
->last_time
[DISCARD_TIME
] = now
;
1357 sbi
->last_time
[GC_TIME
] = now
;
1361 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
1363 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1365 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
1368 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info
*sbi
,
1371 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1372 unsigned int wait_ms
= 0;
1375 delta
= (sbi
->last_time
[type
] + interval
) - jiffies
;
1377 wait_ms
= jiffies_to_msecs(delta
);
1382 static inline bool is_idle(struct f2fs_sb_info
*sbi
, int type
)
1384 struct block_device
*bdev
= sbi
->sb
->s_bdev
;
1385 struct request_queue
*q
= bdev_get_queue(bdev
);
1386 struct request_list
*rl
= &q
->root_rl
;
1388 if (rl
->count
[BLK_RW_SYNC
] || rl
->count
[BLK_RW_ASYNC
])
1391 return f2fs_time_over(sbi
, type
);
1397 static inline u32
__f2fs_crc32(struct f2fs_sb_info
*sbi
, u32 crc
,
1398 const void *address
, unsigned int length
)
1401 struct shash_desc shash
;
1406 BUG_ON(crypto_shash_descsize(sbi
->s_chksum_driver
) != sizeof(desc
.ctx
));
1408 desc
.shash
.tfm
= sbi
->s_chksum_driver
;
1409 desc
.shash
.flags
= 0;
1410 *(u32
*)desc
.ctx
= crc
;
1412 err
= crypto_shash_update(&desc
.shash
, address
, length
);
1415 return *(u32
*)desc
.ctx
;
1418 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
1419 unsigned int length
)
1421 return __f2fs_crc32(sbi
, F2FS_SUPER_MAGIC
, address
, length
);
1424 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
1425 void *buf
, size_t buf_size
)
1427 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1430 static inline u32
f2fs_chksum(struct f2fs_sb_info
*sbi
, u32 crc
,
1431 const void *address
, unsigned int length
)
1433 return __f2fs_crc32(sbi
, crc
, address
, length
);
1436 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1438 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1441 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1443 return sb
->s_fs_info
;
1446 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1448 return F2FS_SB(inode
->i_sb
);
1451 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1453 return F2FS_I_SB(mapping
->host
);
1456 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1458 return F2FS_M_SB(page
->mapping
);
1461 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1463 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1466 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1468 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1471 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1473 return (struct f2fs_node
*)page_address(page
);
1476 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1478 return &((struct f2fs_node
*)page_address(page
))->i
;
1481 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1483 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1486 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1488 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1491 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1493 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1496 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1498 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1501 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1503 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1506 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1508 return sbi
->meta_inode
->i_mapping
;
1511 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
1513 return sbi
->node_inode
->i_mapping
;
1516 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
1518 return test_bit(type
, &sbi
->s_flag
);
1521 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1523 set_bit(type
, &sbi
->s_flag
);
1526 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1528 clear_bit(type
, &sbi
->s_flag
);
1531 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
1533 return le64_to_cpu(cp
->checkpoint_ver
);
1536 static inline unsigned long f2fs_qf_ino(struct super_block
*sb
, int type
)
1538 if (type
< F2FS_MAX_QUOTAS
)
1539 return le32_to_cpu(F2FS_SB(sb
)->raw_super
->qf_ino
[type
]);
1543 static inline __u64
cur_cp_crc(struct f2fs_checkpoint
*cp
)
1545 size_t crc_offset
= le32_to_cpu(cp
->checksum_offset
);
1546 return le32_to_cpu(*((__le32
*)((unsigned char *)cp
+ crc_offset
)));
1549 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1551 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1553 return ckpt_flags
& f
;
1556 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1558 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1561 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1563 unsigned int ckpt_flags
;
1565 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1567 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1570 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1572 unsigned long flags
;
1574 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1575 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1576 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1579 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1581 unsigned int ckpt_flags
;
1583 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1585 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1588 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1590 unsigned long flags
;
1592 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1593 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
1594 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1597 static inline void disable_nat_bits(struct f2fs_sb_info
*sbi
, bool lock
)
1599 unsigned long flags
;
1601 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
1604 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1605 __clear_ckpt_flags(F2FS_CKPT(sbi
), CP_NAT_BITS_FLAG
);
1606 kfree(NM_I(sbi
)->nat_bits
);
1607 NM_I(sbi
)->nat_bits
= NULL
;
1609 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1612 static inline bool enabled_nat_bits(struct f2fs_sb_info
*sbi
,
1613 struct cp_control
*cpc
)
1615 bool set
= is_set_ckpt_flags(sbi
, CP_NAT_BITS_FLAG
);
1617 return (cpc
) ? (cpc
->reason
& CP_UMOUNT
) && set
: set
;
1620 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
1622 down_read(&sbi
->cp_rwsem
);
1625 static inline int f2fs_trylock_op(struct f2fs_sb_info
*sbi
)
1627 return down_read_trylock(&sbi
->cp_rwsem
);
1630 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
1632 up_read(&sbi
->cp_rwsem
);
1635 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
1637 down_write(&sbi
->cp_rwsem
);
1640 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
1642 up_write(&sbi
->cp_rwsem
);
1645 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
1647 int reason
= CP_SYNC
;
1649 if (test_opt(sbi
, FASTBOOT
))
1650 reason
= CP_FASTBOOT
;
1651 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
1656 static inline bool __remain_node_summaries(int reason
)
1658 return (reason
& (CP_UMOUNT
| CP_FASTBOOT
));
1661 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
1663 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
1664 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
1668 * Check whether the inode has blocks or not
1670 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
1672 block_t xattr_block
= F2FS_I(inode
)->i_xattr_nid
? 1 : 0;
1674 return (inode
->i_blocks
>> F2FS_LOG_SECTORS_PER_BLOCK
) > xattr_block
;
1677 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
1679 return ofs
== XATTR_NODE_OFFSET
;
1682 static inline bool __allow_reserved_blocks(struct f2fs_sb_info
*sbi
,
1683 struct inode
*inode
, bool cap
)
1687 if (!test_opt(sbi
, RESERVE_ROOT
))
1689 if (IS_NOQUOTA(inode
))
1691 if (uid_eq(F2FS_OPTION(sbi
).s_resuid
, current_fsuid()))
1693 if (!gid_eq(F2FS_OPTION(sbi
).s_resgid
, GLOBAL_ROOT_GID
) &&
1694 in_group_p(F2FS_OPTION(sbi
).s_resgid
))
1696 if (cap
&& capable(CAP_SYS_RESOURCE
))
1701 static inline void f2fs_i_blocks_write(struct inode
*, block_t
, bool, bool);
1702 static inline int inc_valid_block_count(struct f2fs_sb_info
*sbi
,
1703 struct inode
*inode
, blkcnt_t
*count
)
1705 blkcnt_t diff
= 0, release
= 0;
1706 block_t avail_user_block_count
;
1709 ret
= dquot_reserve_block(inode
, *count
);
1713 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1714 f2fs_show_injection_info(FAULT_BLOCK
);
1720 * let's increase this in prior to actual block count change in order
1721 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1723 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
1725 spin_lock(&sbi
->stat_lock
);
1726 sbi
->total_valid_block_count
+= (block_t
)(*count
);
1727 avail_user_block_count
= sbi
->user_block_count
-
1728 sbi
->current_reserved_blocks
;
1730 if (!__allow_reserved_blocks(sbi
, inode
, true))
1731 avail_user_block_count
-= F2FS_OPTION(sbi
).root_reserved_blocks
;
1733 if (unlikely(sbi
->total_valid_block_count
> avail_user_block_count
)) {
1734 diff
= sbi
->total_valid_block_count
- avail_user_block_count
;
1739 sbi
->total_valid_block_count
-= diff
;
1741 spin_unlock(&sbi
->stat_lock
);
1745 spin_unlock(&sbi
->stat_lock
);
1747 if (unlikely(release
)) {
1748 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
1749 dquot_release_reservation_block(inode
, release
);
1751 f2fs_i_blocks_write(inode
, *count
, true, true);
1755 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
1756 dquot_release_reservation_block(inode
, release
);
1760 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
1761 struct inode
*inode
,
1764 blkcnt_t sectors
= count
<< F2FS_LOG_SECTORS_PER_BLOCK
;
1766 spin_lock(&sbi
->stat_lock
);
1767 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
1768 f2fs_bug_on(sbi
, inode
->i_blocks
< sectors
);
1769 sbi
->total_valid_block_count
-= (block_t
)count
;
1770 if (sbi
->reserved_blocks
&&
1771 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
1772 sbi
->current_reserved_blocks
= min(sbi
->reserved_blocks
,
1773 sbi
->current_reserved_blocks
+ count
);
1774 spin_unlock(&sbi
->stat_lock
);
1775 f2fs_i_blocks_write(inode
, count
, false, true);
1778 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1780 atomic_inc(&sbi
->nr_pages
[count_type
]);
1782 if (count_type
== F2FS_DIRTY_DATA
|| count_type
== F2FS_INMEM_PAGES
||
1783 count_type
== F2FS_WB_CP_DATA
|| count_type
== F2FS_WB_DATA
)
1786 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
1789 static inline void inode_inc_dirty_pages(struct inode
*inode
)
1791 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
1792 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1793 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1794 if (IS_NOQUOTA(inode
))
1795 inc_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
1798 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1800 atomic_dec(&sbi
->nr_pages
[count_type
]);
1803 static inline void inode_dec_dirty_pages(struct inode
*inode
)
1805 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
1806 !S_ISLNK(inode
->i_mode
))
1809 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
1810 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1811 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1812 if (IS_NOQUOTA(inode
))
1813 dec_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
1816 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
1818 return atomic_read(&sbi
->nr_pages
[count_type
]);
1821 static inline int get_dirty_pages(struct inode
*inode
)
1823 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
1826 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
1828 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
1829 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
1830 sbi
->log_blocks_per_seg
;
1832 return segs
/ sbi
->segs_per_sec
;
1835 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
1837 return sbi
->total_valid_block_count
;
1840 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
1842 return sbi
->discard_blks
;
1845 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
1847 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1849 /* return NAT or SIT bitmap */
1850 if (flag
== NAT_BITMAP
)
1851 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
1852 else if (flag
== SIT_BITMAP
)
1853 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
1858 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
1860 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
1863 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
1865 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1868 if (is_set_ckpt_flags(sbi
, CP_LARGE_NAT_BITMAP_FLAG
)) {
1869 offset
= (flag
== SIT_BITMAP
) ?
1870 le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
) : 0;
1871 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1874 if (__cp_payload(sbi
) > 0) {
1875 if (flag
== NAT_BITMAP
)
1876 return &ckpt
->sit_nat_version_bitmap
;
1878 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
1880 offset
= (flag
== NAT_BITMAP
) ?
1881 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
1882 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1886 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
1888 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1890 if (sbi
->cur_cp_pack
== 2)
1891 start_addr
+= sbi
->blocks_per_seg
;
1895 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
1897 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1899 if (sbi
->cur_cp_pack
== 1)
1900 start_addr
+= sbi
->blocks_per_seg
;
1904 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
1906 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
1909 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
1911 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
1914 static inline int inc_valid_node_count(struct f2fs_sb_info
*sbi
,
1915 struct inode
*inode
, bool is_inode
)
1917 block_t valid_block_count
;
1918 unsigned int valid_node_count
;
1919 bool quota
= inode
&& !is_inode
;
1922 int ret
= dquot_reserve_block(inode
, 1);
1927 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1928 f2fs_show_injection_info(FAULT_BLOCK
);
1932 spin_lock(&sbi
->stat_lock
);
1934 valid_block_count
= sbi
->total_valid_block_count
+
1935 sbi
->current_reserved_blocks
+ 1;
1937 if (!__allow_reserved_blocks(sbi
, inode
, false))
1938 valid_block_count
+= F2FS_OPTION(sbi
).root_reserved_blocks
;
1940 if (unlikely(valid_block_count
> sbi
->user_block_count
)) {
1941 spin_unlock(&sbi
->stat_lock
);
1945 valid_node_count
= sbi
->total_valid_node_count
+ 1;
1946 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
1947 spin_unlock(&sbi
->stat_lock
);
1951 sbi
->total_valid_node_count
++;
1952 sbi
->total_valid_block_count
++;
1953 spin_unlock(&sbi
->stat_lock
);
1957 f2fs_mark_inode_dirty_sync(inode
, true);
1959 f2fs_i_blocks_write(inode
, 1, true, true);
1962 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
1967 dquot_release_reservation_block(inode
, 1);
1971 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
1972 struct inode
*inode
, bool is_inode
)
1974 spin_lock(&sbi
->stat_lock
);
1976 f2fs_bug_on(sbi
, !sbi
->total_valid_block_count
);
1977 f2fs_bug_on(sbi
, !sbi
->total_valid_node_count
);
1978 f2fs_bug_on(sbi
, !is_inode
&& !inode
->i_blocks
);
1980 sbi
->total_valid_node_count
--;
1981 sbi
->total_valid_block_count
--;
1982 if (sbi
->reserved_blocks
&&
1983 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
1984 sbi
->current_reserved_blocks
++;
1986 spin_unlock(&sbi
->stat_lock
);
1989 f2fs_i_blocks_write(inode
, 1, false, true);
1992 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
1994 return sbi
->total_valid_node_count
;
1997 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
1999 percpu_counter_inc(&sbi
->total_valid_inode_count
);
2002 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
2004 percpu_counter_dec(&sbi
->total_valid_inode_count
);
2007 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
2009 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
2012 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
2013 pgoff_t index
, bool for_write
)
2017 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION
)) {
2019 page
= find_get_page_flags(mapping
, index
,
2020 FGP_LOCK
| FGP_ACCESSED
);
2022 page
= find_lock_page(mapping
, index
);
2026 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
)) {
2027 f2fs_show_injection_info(FAULT_PAGE_ALLOC
);
2033 return grab_cache_page(mapping
, index
);
2034 return grab_cache_page_write_begin(mapping
, index
, AOP_FLAG_NOFS
);
2037 static inline struct page
*f2fs_pagecache_get_page(
2038 struct address_space
*mapping
, pgoff_t index
,
2039 int fgp_flags
, gfp_t gfp_mask
)
2041 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_GET
)) {
2042 f2fs_show_injection_info(FAULT_PAGE_GET
);
2046 return pagecache_get_page(mapping
, index
, fgp_flags
, gfp_mask
);
2049 static inline void f2fs_copy_page(struct page
*src
, struct page
*dst
)
2051 char *src_kaddr
= kmap(src
);
2052 char *dst_kaddr
= kmap(dst
);
2054 memcpy(dst_kaddr
, src_kaddr
, PAGE_SIZE
);
2059 static inline void f2fs_put_page(struct page
*page
, int unlock
)
2065 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
2071 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
2074 f2fs_put_page(dn
->node_page
, 1);
2075 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
2076 f2fs_put_page(dn
->inode_page
, 0);
2077 dn
->node_page
= NULL
;
2078 dn
->inode_page
= NULL
;
2081 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
2084 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
2087 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
2092 entry
= kmem_cache_alloc(cachep
, flags
);
2094 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
2098 static inline struct bio
*f2fs_bio_alloc(struct f2fs_sb_info
*sbi
,
2099 int npages
, bool no_fail
)
2104 /* No failure on bio allocation */
2105 bio
= bio_alloc(GFP_NOIO
, npages
);
2107 bio
= bio_alloc(GFP_NOIO
| __GFP_NOFAIL
, npages
);
2110 if (time_to_inject(sbi
, FAULT_ALLOC_BIO
)) {
2111 f2fs_show_injection_info(FAULT_ALLOC_BIO
);
2115 return bio_alloc(GFP_KERNEL
, npages
);
2118 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
2119 unsigned long index
, void *item
)
2121 while (radix_tree_insert(root
, index
, item
))
2125 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2127 static inline bool IS_INODE(struct page
*page
)
2129 struct f2fs_node
*p
= F2FS_NODE(page
);
2131 return RAW_IS_INODE(p
);
2134 static inline int offset_in_addr(struct f2fs_inode
*i
)
2136 return (i
->i_inline
& F2FS_EXTRA_ATTR
) ?
2137 (le16_to_cpu(i
->i_extra_isize
) / sizeof(__le32
)) : 0;
2140 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
2142 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
2145 static inline int f2fs_has_extra_attr(struct inode
*inode
);
2146 static inline block_t
datablock_addr(struct inode
*inode
,
2147 struct page
*node_page
, unsigned int offset
)
2149 struct f2fs_node
*raw_node
;
2152 bool is_inode
= IS_INODE(node_page
);
2154 raw_node
= F2FS_NODE(node_page
);
2156 /* from GC path only */
2159 base
= offset_in_addr(&raw_node
->i
);
2160 else if (f2fs_has_extra_attr(inode
))
2161 base
= get_extra_isize(inode
);
2164 addr_array
= blkaddr_in_node(raw_node
);
2165 return le32_to_cpu(addr_array
[base
+ offset
]);
2168 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
2173 mask
= 1 << (7 - (nr
& 0x07));
2174 return mask
& *addr
;
2177 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
2182 mask
= 1 << (7 - (nr
& 0x07));
2186 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
2191 mask
= 1 << (7 - (nr
& 0x07));
2195 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
2201 mask
= 1 << (7 - (nr
& 0x07));
2207 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
2213 mask
= 1 << (7 - (nr
& 0x07));
2219 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
2224 mask
= 1 << (7 - (nr
& 0x07));
2231 #define F2FS_SECRM_FL 0x00000001 /* Secure deletion */
2232 #define F2FS_UNRM_FL 0x00000002 /* Undelete */
2233 #define F2FS_COMPR_FL 0x00000004 /* Compress file */
2234 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2235 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2236 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2237 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2238 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2239 /* Reserved for compression usage... */
2240 #define F2FS_DIRTY_FL 0x00000100
2241 #define F2FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
2242 #define F2FS_NOCOMPR_FL 0x00000400 /* Don't compress */
2243 #define F2FS_ENCRYPT_FL 0x00000800 /* encrypted file */
2244 /* End compression flags --- maybe not all used */
2245 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2246 #define F2FS_IMAGIC_FL 0x00002000 /* AFS directory */
2247 #define F2FS_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */
2248 #define F2FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */
2249 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2250 #define F2FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
2251 #define F2FS_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
2252 #define F2FS_EXTENTS_FL 0x00080000 /* Inode uses extents */
2253 #define F2FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */
2254 #define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
2255 #define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
2256 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2257 #define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
2259 #define F2FS_FL_USER_VISIBLE 0x304BDFFF /* User visible flags */
2260 #define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable flags */
2262 /* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */
2263 #define F2FS_FL_XFLAG_VISIBLE (F2FS_SYNC_FL | \
2264 F2FS_IMMUTABLE_FL | \
2268 F2FS_PROJINHERIT_FL)
2270 /* Flags that should be inherited by new inodes from their parent. */
2271 #define F2FS_FL_INHERITED (F2FS_SECRM_FL | F2FS_UNRM_FL | F2FS_COMPR_FL |\
2272 F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL |\
2273 F2FS_NOCOMPR_FL | F2FS_JOURNAL_DATA_FL |\
2274 F2FS_NOTAIL_FL | F2FS_DIRSYNC_FL |\
2275 F2FS_PROJINHERIT_FL)
2277 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2278 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_TOPDIR_FL))
2280 /* Flags that are appropriate for non-directories/regular files. */
2281 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2283 static inline __u32
f2fs_mask_flags(umode_t mode
, __u32 flags
)
2287 else if (S_ISREG(mode
))
2288 return flags
& F2FS_REG_FLMASK
;
2290 return flags
& F2FS_OTHER_FLMASK
;
2293 /* used for f2fs_inode_info->flags */
2295 FI_NEW_INODE
, /* indicate newly allocated inode */
2296 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
2297 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
2298 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
2299 FI_INC_LINK
, /* need to increment i_nlink */
2300 FI_ACL_MODE
, /* indicate acl mode */
2301 FI_NO_ALLOC
, /* should not allocate any blocks */
2302 FI_FREE_NID
, /* free allocated nide */
2303 FI_NO_EXTENT
, /* not to use the extent cache */
2304 FI_INLINE_XATTR
, /* used for inline xattr */
2305 FI_INLINE_DATA
, /* used for inline data*/
2306 FI_INLINE_DENTRY
, /* used for inline dentry */
2307 FI_APPEND_WRITE
, /* inode has appended data */
2308 FI_UPDATE_WRITE
, /* inode has in-place-update data */
2309 FI_NEED_IPU
, /* used for ipu per file */
2310 FI_ATOMIC_FILE
, /* indicate atomic file */
2311 FI_ATOMIC_COMMIT
, /* indicate the state of atomical committing */
2312 FI_VOLATILE_FILE
, /* indicate volatile file */
2313 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
2314 FI_DROP_CACHE
, /* drop dirty page cache */
2315 FI_DATA_EXIST
, /* indicate data exists */
2316 FI_INLINE_DOTS
, /* indicate inline dot dentries */
2317 FI_DO_DEFRAG
, /* indicate defragment is running */
2318 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
2319 FI_NO_PREALLOC
, /* indicate skipped preallocated blocks */
2320 FI_HOT_DATA
, /* indicate file is hot */
2321 FI_EXTRA_ATTR
, /* indicate file has extra attribute */
2322 FI_PROJ_INHERIT
, /* indicate file inherits projectid */
2323 FI_PIN_FILE
, /* indicate file should not be gced */
2324 FI_ATOMIC_REVOKE_REQUEST
, /* request to drop atomic data */
2327 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
2331 case FI_INLINE_XATTR
:
2332 case FI_INLINE_DATA
:
2333 case FI_INLINE_DENTRY
:
2338 case FI_INLINE_DOTS
:
2340 f2fs_mark_inode_dirty_sync(inode
, true);
2344 static inline void set_inode_flag(struct inode
*inode
, int flag
)
2346 if (!test_bit(flag
, &F2FS_I(inode
)->flags
))
2347 set_bit(flag
, &F2FS_I(inode
)->flags
);
2348 __mark_inode_dirty_flag(inode
, flag
, true);
2351 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
2353 return test_bit(flag
, &F2FS_I(inode
)->flags
);
2356 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
2358 if (test_bit(flag
, &F2FS_I(inode
)->flags
))
2359 clear_bit(flag
, &F2FS_I(inode
)->flags
);
2360 __mark_inode_dirty_flag(inode
, flag
, false);
2363 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
2365 F2FS_I(inode
)->i_acl_mode
= mode
;
2366 set_inode_flag(inode
, FI_ACL_MODE
);
2367 f2fs_mark_inode_dirty_sync(inode
, false);
2370 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
2376 f2fs_mark_inode_dirty_sync(inode
, true);
2379 static inline void f2fs_i_blocks_write(struct inode
*inode
,
2380 block_t diff
, bool add
, bool claim
)
2382 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2383 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2385 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2388 dquot_claim_block(inode
, diff
);
2390 dquot_alloc_block_nofail(inode
, diff
);
2392 dquot_free_block(inode
, diff
);
2395 f2fs_mark_inode_dirty_sync(inode
, true);
2396 if (clean
|| recover
)
2397 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2400 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
2402 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2403 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2405 if (i_size_read(inode
) == i_size
)
2408 i_size_write(inode
, i_size
);
2409 f2fs_mark_inode_dirty_sync(inode
, true);
2410 if (clean
|| recover
)
2411 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2414 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
2416 F2FS_I(inode
)->i_current_depth
= depth
;
2417 f2fs_mark_inode_dirty_sync(inode
, true);
2420 static inline void f2fs_i_gc_failures_write(struct inode
*inode
,
2423 F2FS_I(inode
)->i_gc_failures
[GC_FAILURE_PIN
] = count
;
2424 f2fs_mark_inode_dirty_sync(inode
, true);
2427 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
2429 F2FS_I(inode
)->i_xattr_nid
= xnid
;
2430 f2fs_mark_inode_dirty_sync(inode
, true);
2433 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
2435 F2FS_I(inode
)->i_pino
= pino
;
2436 f2fs_mark_inode_dirty_sync(inode
, true);
2439 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
2441 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2443 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
2444 set_bit(FI_INLINE_XATTR
, &fi
->flags
);
2445 if (ri
->i_inline
& F2FS_INLINE_DATA
)
2446 set_bit(FI_INLINE_DATA
, &fi
->flags
);
2447 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
2448 set_bit(FI_INLINE_DENTRY
, &fi
->flags
);
2449 if (ri
->i_inline
& F2FS_DATA_EXIST
)
2450 set_bit(FI_DATA_EXIST
, &fi
->flags
);
2451 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
2452 set_bit(FI_INLINE_DOTS
, &fi
->flags
);
2453 if (ri
->i_inline
& F2FS_EXTRA_ATTR
)
2454 set_bit(FI_EXTRA_ATTR
, &fi
->flags
);
2455 if (ri
->i_inline
& F2FS_PIN_FILE
)
2456 set_bit(FI_PIN_FILE
, &fi
->flags
);
2459 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
2463 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
2464 ri
->i_inline
|= F2FS_INLINE_XATTR
;
2465 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
2466 ri
->i_inline
|= F2FS_INLINE_DATA
;
2467 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
2468 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
2469 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
2470 ri
->i_inline
|= F2FS_DATA_EXIST
;
2471 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
2472 ri
->i_inline
|= F2FS_INLINE_DOTS
;
2473 if (is_inode_flag_set(inode
, FI_EXTRA_ATTR
))
2474 ri
->i_inline
|= F2FS_EXTRA_ATTR
;
2475 if (is_inode_flag_set(inode
, FI_PIN_FILE
))
2476 ri
->i_inline
|= F2FS_PIN_FILE
;
2479 static inline int f2fs_has_extra_attr(struct inode
*inode
)
2481 return is_inode_flag_set(inode
, FI_EXTRA_ATTR
);
2484 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
2486 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
2489 static inline unsigned int addrs_per_inode(struct inode
*inode
)
2491 return CUR_ADDRS_PER_INODE(inode
) - get_inline_xattr_addrs(inode
);
2494 static inline void *inline_xattr_addr(struct inode
*inode
, struct page
*page
)
2496 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2498 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
2499 get_inline_xattr_addrs(inode
)]);
2502 static inline int inline_xattr_size(struct inode
*inode
)
2504 return get_inline_xattr_addrs(inode
) * sizeof(__le32
);
2507 static inline int f2fs_has_inline_data(struct inode
*inode
)
2509 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
2512 static inline int f2fs_exist_data(struct inode
*inode
)
2514 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
2517 static inline int f2fs_has_inline_dots(struct inode
*inode
)
2519 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
2522 static inline bool f2fs_is_pinned_file(struct inode
*inode
)
2524 return is_inode_flag_set(inode
, FI_PIN_FILE
);
2527 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
2529 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
2532 static inline bool f2fs_is_commit_atomic_write(struct inode
*inode
)
2534 return is_inode_flag_set(inode
, FI_ATOMIC_COMMIT
);
2537 static inline bool f2fs_is_volatile_file(struct inode
*inode
)
2539 return is_inode_flag_set(inode
, FI_VOLATILE_FILE
);
2542 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
2544 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
2547 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
2549 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
2552 static inline void *inline_data_addr(struct inode
*inode
, struct page
*page
)
2554 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2555 int extra_size
= get_extra_isize(inode
);
2557 return (void *)&(ri
->i_addr
[extra_size
+ DEF_INLINE_RESERVED_SIZE
]);
2560 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
2562 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
2565 static inline int is_file(struct inode
*inode
, int type
)
2567 return F2FS_I(inode
)->i_advise
& type
;
2570 static inline void set_file(struct inode
*inode
, int type
)
2572 F2FS_I(inode
)->i_advise
|= type
;
2573 f2fs_mark_inode_dirty_sync(inode
, true);
2576 static inline void clear_file(struct inode
*inode
, int type
)
2578 F2FS_I(inode
)->i_advise
&= ~type
;
2579 f2fs_mark_inode_dirty_sync(inode
, true);
2582 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
2587 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2589 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
2590 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
2591 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
2594 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
2595 file_keep_isize(inode
) ||
2596 i_size_read(inode
) & ~PAGE_MASK
)
2599 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
, &inode
->i_atime
))
2601 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 1, &inode
->i_ctime
))
2603 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 2, &inode
->i_mtime
))
2605 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 3,
2606 &F2FS_I(inode
)->i_crtime
))
2609 down_read(&F2FS_I(inode
)->i_sem
);
2610 ret
= F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
2611 up_read(&F2FS_I(inode
)->i_sem
);
2616 static inline bool f2fs_readonly(struct super_block
*sb
)
2618 return sb_rdonly(sb
);
2621 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
2623 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
2626 static inline bool is_dot_dotdot(const struct qstr
*str
)
2628 if (str
->len
== 1 && str
->name
[0] == '.')
2631 if (str
->len
== 2 && str
->name
[0] == '.' && str
->name
[1] == '.')
2637 static inline bool f2fs_may_extent_tree(struct inode
*inode
)
2639 if (!test_opt(F2FS_I_SB(inode
), EXTENT_CACHE
) ||
2640 is_inode_flag_set(inode
, FI_NO_EXTENT
))
2643 return S_ISREG(inode
->i_mode
);
2646 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
2647 size_t size
, gfp_t flags
)
2649 if (time_to_inject(sbi
, FAULT_KMALLOC
)) {
2650 f2fs_show_injection_info(FAULT_KMALLOC
);
2654 return kmalloc(size
, flags
);
2657 static inline void *f2fs_kzalloc(struct f2fs_sb_info
*sbi
,
2658 size_t size
, gfp_t flags
)
2660 return f2fs_kmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2663 static inline void *f2fs_kvmalloc(struct f2fs_sb_info
*sbi
,
2664 size_t size
, gfp_t flags
)
2666 if (time_to_inject(sbi
, FAULT_KVMALLOC
)) {
2667 f2fs_show_injection_info(FAULT_KVMALLOC
);
2671 return kvmalloc(size
, flags
);
2674 static inline void *f2fs_kvzalloc(struct f2fs_sb_info
*sbi
,
2675 size_t size
, gfp_t flags
)
2677 return f2fs_kvmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2680 static inline int get_extra_isize(struct inode
*inode
)
2682 return F2FS_I(inode
)->i_extra_isize
/ sizeof(__le32
);
2685 static inline int get_inline_xattr_addrs(struct inode
*inode
)
2687 return F2FS_I(inode
)->i_inline_xattr_size
;
2690 #define f2fs_get_inode_mode(i) \
2691 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
2692 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
2694 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
2695 (offsetof(struct f2fs_inode, i_extra_end) - \
2696 offsetof(struct f2fs_inode, i_extra_isize)) \
2698 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
2699 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
2700 ((offsetof(typeof(*f2fs_inode), field) + \
2701 sizeof((f2fs_inode)->field)) \
2702 <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \
2704 static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
2708 spin_lock(&sbi
->iostat_lock
);
2709 for (i
= 0; i
< NR_IO_TYPE
; i
++)
2710 sbi
->write_iostat
[i
] = 0;
2711 spin_unlock(&sbi
->iostat_lock
);
2714 static inline void f2fs_update_iostat(struct f2fs_sb_info
*sbi
,
2715 enum iostat_type type
, unsigned long long io_bytes
)
2717 if (!sbi
->iostat_enable
)
2719 spin_lock(&sbi
->iostat_lock
);
2720 sbi
->write_iostat
[type
] += io_bytes
;
2722 if (type
== APP_WRITE_IO
|| type
== APP_DIRECT_IO
)
2723 sbi
->write_iostat
[APP_BUFFERED_IO
] =
2724 sbi
->write_iostat
[APP_WRITE_IO
] -
2725 sbi
->write_iostat
[APP_DIRECT_IO
];
2726 spin_unlock(&sbi
->iostat_lock
);
2729 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO(fio->type) == META && \
2730 (!is_read_io(fio->op) || fio->is_meta))
2732 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
2733 block_t blkaddr
, int type
);
2734 void f2fs_msg(struct super_block
*sb
, const char *level
, const char *fmt
, ...);
2735 static inline void verify_blkaddr(struct f2fs_sb_info
*sbi
,
2736 block_t blkaddr
, int type
)
2738 if (!f2fs_is_valid_blkaddr(sbi
, blkaddr
, type
)) {
2739 f2fs_msg(sbi
->sb
, KERN_ERR
,
2740 "invalid blkaddr: %u, type: %d, run fsck to fix.",
2742 f2fs_bug_on(sbi
, 1);
2746 static inline bool __is_valid_data_blkaddr(block_t blkaddr
)
2748 if (blkaddr
== NEW_ADDR
|| blkaddr
== NULL_ADDR
)
2753 static inline bool is_valid_data_blkaddr(struct f2fs_sb_info
*sbi
,
2756 if (!__is_valid_data_blkaddr(blkaddr
))
2758 verify_blkaddr(sbi
, blkaddr
, DATA_GENERIC
);
2765 int f2fs_sync_file(struct file
*file
, loff_t start
, loff_t end
, int datasync
);
2766 void f2fs_truncate_data_blocks(struct dnode_of_data
*dn
);
2767 int f2fs_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
2768 int f2fs_truncate(struct inode
*inode
);
2769 int f2fs_getattr(const struct path
*path
, struct kstat
*stat
,
2770 u32 request_mask
, unsigned int flags
);
2771 int f2fs_setattr(struct dentry
*dentry
, struct iattr
*attr
);
2772 int f2fs_truncate_hole(struct inode
*inode
, pgoff_t pg_start
, pgoff_t pg_end
);
2773 void f2fs_truncate_data_blocks_range(struct dnode_of_data
*dn
, int count
);
2774 int f2fs_precache_extents(struct inode
*inode
);
2775 long f2fs_ioctl(struct file
*filp
, unsigned int cmd
, unsigned long arg
);
2776 long f2fs_compat_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
);
2777 int f2fs_pin_file_control(struct inode
*inode
, bool inc
);
2782 void f2fs_set_inode_flags(struct inode
*inode
);
2783 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
);
2784 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
);
2785 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
);
2786 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
);
2787 int f2fs_try_to_free_nats(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2788 void f2fs_update_inode(struct inode
*inode
, struct page
*node_page
);
2789 void f2fs_update_inode_page(struct inode
*inode
);
2790 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
);
2791 void f2fs_evict_inode(struct inode
*inode
);
2792 void f2fs_handle_failed_inode(struct inode
*inode
);
2797 int f2fs_update_extension_list(struct f2fs_sb_info
*sbi
, const char *name
,
2798 bool hot
, bool set
);
2799 struct dentry
*f2fs_get_parent(struct dentry
*child
);
2804 unsigned char f2fs_get_de_type(struct f2fs_dir_entry
*de
);
2805 struct f2fs_dir_entry
*f2fs_find_target_dentry(struct fscrypt_name
*fname
,
2806 f2fs_hash_t namehash
, int *max_slots
,
2807 struct f2fs_dentry_ptr
*d
);
2808 int f2fs_fill_dentries(struct dir_context
*ctx
, struct f2fs_dentry_ptr
*d
,
2809 unsigned int start_pos
, struct fscrypt_str
*fstr
);
2810 void f2fs_do_make_empty_dir(struct inode
*inode
, struct inode
*parent
,
2811 struct f2fs_dentry_ptr
*d
);
2812 struct page
*f2fs_init_inode_metadata(struct inode
*inode
, struct inode
*dir
,
2813 const struct qstr
*new_name
,
2814 const struct qstr
*orig_name
, struct page
*dpage
);
2815 void f2fs_update_parent_metadata(struct inode
*dir
, struct inode
*inode
,
2816 unsigned int current_depth
);
2817 int f2fs_room_for_filename(const void *bitmap
, int slots
, int max_slots
);
2818 void f2fs_drop_nlink(struct inode
*dir
, struct inode
*inode
);
2819 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*dir
,
2820 struct fscrypt_name
*fname
, struct page
**res_page
);
2821 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*dir
,
2822 const struct qstr
*child
, struct page
**res_page
);
2823 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*dir
, struct page
**p
);
2824 ino_t
f2fs_inode_by_name(struct inode
*dir
, const struct qstr
*qstr
,
2825 struct page
**page
);
2826 void f2fs_set_link(struct inode
*dir
, struct f2fs_dir_entry
*de
,
2827 struct page
*page
, struct inode
*inode
);
2828 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*d
,
2829 const struct qstr
*name
, f2fs_hash_t name_hash
,
2830 unsigned int bit_pos
);
2831 int f2fs_add_regular_entry(struct inode
*dir
, const struct qstr
*new_name
,
2832 const struct qstr
*orig_name
,
2833 struct inode
*inode
, nid_t ino
, umode_t mode
);
2834 int f2fs_add_dentry(struct inode
*dir
, struct fscrypt_name
*fname
,
2835 struct inode
*inode
, nid_t ino
, umode_t mode
);
2836 int f2fs_do_add_link(struct inode
*dir
, const struct qstr
*name
,
2837 struct inode
*inode
, nid_t ino
, umode_t mode
);
2838 void f2fs_delete_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
2839 struct inode
*dir
, struct inode
*inode
);
2840 int f2fs_do_tmpfile(struct inode
*inode
, struct inode
*dir
);
2841 bool f2fs_empty_dir(struct inode
*dir
);
2843 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
2845 return f2fs_do_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
2846 inode
, inode
->i_ino
, inode
->i_mode
);
2852 int f2fs_inode_dirtied(struct inode
*inode
, bool sync
);
2853 void f2fs_inode_synced(struct inode
*inode
);
2854 int f2fs_enable_quota_files(struct f2fs_sb_info
*sbi
, bool rdonly
);
2855 void f2fs_quota_off_umount(struct super_block
*sb
);
2856 int f2fs_commit_super(struct f2fs_sb_info
*sbi
, bool recover
);
2857 int f2fs_sync_fs(struct super_block
*sb
, int sync
);
2858 extern __printf(3, 4)
2859 void f2fs_msg(struct super_block
*sb
, const char *level
, const char *fmt
, ...);
2860 int f2fs_sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
2865 f2fs_hash_t
f2fs_dentry_hash(const struct qstr
*name_info
,
2866 struct fscrypt_name
*fname
);
2871 struct dnode_of_data
;
2874 int f2fs_check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
);
2875 bool f2fs_available_free_memory(struct f2fs_sb_info
*sbi
, int type
);
2876 bool f2fs_in_warm_node_list(struct f2fs_sb_info
*sbi
, struct page
*page
);
2877 void f2fs_init_fsync_node_info(struct f2fs_sb_info
*sbi
);
2878 void f2fs_del_fsync_node_entry(struct f2fs_sb_info
*sbi
, struct page
*page
);
2879 void f2fs_reset_fsync_node_info(struct f2fs_sb_info
*sbi
);
2880 int f2fs_need_dentry_mark(struct f2fs_sb_info
*sbi
, nid_t nid
);
2881 bool f2fs_is_checkpointed_node(struct f2fs_sb_info
*sbi
, nid_t nid
);
2882 bool f2fs_need_inode_block_update(struct f2fs_sb_info
*sbi
, nid_t ino
);
2883 int f2fs_get_node_info(struct f2fs_sb_info
*sbi
, nid_t nid
,
2884 struct node_info
*ni
);
2885 pgoff_t
f2fs_get_next_page_offset(struct dnode_of_data
*dn
, pgoff_t pgofs
);
2886 int f2fs_get_dnode_of_data(struct dnode_of_data
*dn
, pgoff_t index
, int mode
);
2887 int f2fs_truncate_inode_blocks(struct inode
*inode
, pgoff_t from
);
2888 int f2fs_truncate_xattr_node(struct inode
*inode
);
2889 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info
*sbi
,
2890 unsigned int seq_id
);
2891 int f2fs_remove_inode_page(struct inode
*inode
);
2892 struct page
*f2fs_new_inode_page(struct inode
*inode
);
2893 struct page
*f2fs_new_node_page(struct dnode_of_data
*dn
, unsigned int ofs
);
2894 void f2fs_ra_node_page(struct f2fs_sb_info
*sbi
, nid_t nid
);
2895 struct page
*f2fs_get_node_page(struct f2fs_sb_info
*sbi
, pgoff_t nid
);
2896 struct page
*f2fs_get_node_page_ra(struct page
*parent
, int start
);
2897 void f2fs_move_node_page(struct page
*node_page
, int gc_type
);
2898 int f2fs_fsync_node_pages(struct f2fs_sb_info
*sbi
, struct inode
*inode
,
2899 struct writeback_control
*wbc
, bool atomic
,
2900 unsigned int *seq_id
);
2901 int f2fs_sync_node_pages(struct f2fs_sb_info
*sbi
,
2902 struct writeback_control
*wbc
,
2903 bool do_balance
, enum iostat_type io_type
);
2904 int f2fs_build_free_nids(struct f2fs_sb_info
*sbi
, bool sync
, bool mount
);
2905 bool f2fs_alloc_nid(struct f2fs_sb_info
*sbi
, nid_t
*nid
);
2906 void f2fs_alloc_nid_done(struct f2fs_sb_info
*sbi
, nid_t nid
);
2907 void f2fs_alloc_nid_failed(struct f2fs_sb_info
*sbi
, nid_t nid
);
2908 int f2fs_try_to_free_nids(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2909 void f2fs_recover_inline_xattr(struct inode
*inode
, struct page
*page
);
2910 int f2fs_recover_xattr_data(struct inode
*inode
, struct page
*page
);
2911 int f2fs_recover_inode_page(struct f2fs_sb_info
*sbi
, struct page
*page
);
2912 int f2fs_restore_node_summary(struct f2fs_sb_info
*sbi
,
2913 unsigned int segno
, struct f2fs_summary_block
*sum
);
2914 void f2fs_flush_nat_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
2915 int f2fs_build_node_manager(struct f2fs_sb_info
*sbi
);
2916 void f2fs_destroy_node_manager(struct f2fs_sb_info
*sbi
);
2917 int __init
f2fs_create_node_manager_caches(void);
2918 void f2fs_destroy_node_manager_caches(void);
2923 bool f2fs_need_SSR(struct f2fs_sb_info
*sbi
);
2924 void f2fs_register_inmem_page(struct inode
*inode
, struct page
*page
);
2925 void f2fs_drop_inmem_pages_all(struct f2fs_sb_info
*sbi
, bool gc_failure
);
2926 void f2fs_drop_inmem_pages(struct inode
*inode
);
2927 void f2fs_drop_inmem_page(struct inode
*inode
, struct page
*page
);
2928 int f2fs_commit_inmem_pages(struct inode
*inode
);
2929 void f2fs_balance_fs(struct f2fs_sb_info
*sbi
, bool need
);
2930 void f2fs_balance_fs_bg(struct f2fs_sb_info
*sbi
);
2931 int f2fs_issue_flush(struct f2fs_sb_info
*sbi
, nid_t ino
);
2932 int f2fs_create_flush_cmd_control(struct f2fs_sb_info
*sbi
);
2933 int f2fs_flush_device_cache(struct f2fs_sb_info
*sbi
);
2934 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info
*sbi
, bool free
);
2935 void f2fs_invalidate_blocks(struct f2fs_sb_info
*sbi
, block_t addr
);
2936 bool f2fs_is_checkpointed_data(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
2937 void f2fs_drop_discard_cmd(struct f2fs_sb_info
*sbi
);
2938 void f2fs_stop_discard_thread(struct f2fs_sb_info
*sbi
);
2939 bool f2fs_wait_discard_bios(struct f2fs_sb_info
*sbi
);
2940 void f2fs_clear_prefree_segments(struct f2fs_sb_info
*sbi
,
2941 struct cp_control
*cpc
);
2942 void f2fs_release_discard_addrs(struct f2fs_sb_info
*sbi
);
2943 int f2fs_npages_for_summary_flush(struct f2fs_sb_info
*sbi
, bool for_ra
);
2944 void f2fs_allocate_new_segments(struct f2fs_sb_info
*sbi
);
2945 int f2fs_trim_fs(struct f2fs_sb_info
*sbi
, struct fstrim_range
*range
);
2946 bool f2fs_exist_trim_candidates(struct f2fs_sb_info
*sbi
,
2947 struct cp_control
*cpc
);
2948 struct page
*f2fs_get_sum_page(struct f2fs_sb_info
*sbi
, unsigned int segno
);
2949 void f2fs_update_meta_page(struct f2fs_sb_info
*sbi
, void *src
,
2951 void f2fs_do_write_meta_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
2952 enum iostat_type io_type
);
2953 void f2fs_do_write_node_page(unsigned int nid
, struct f2fs_io_info
*fio
);
2954 void f2fs_outplace_write_data(struct dnode_of_data
*dn
,
2955 struct f2fs_io_info
*fio
);
2956 int f2fs_inplace_write_data(struct f2fs_io_info
*fio
);
2957 void f2fs_do_replace_block(struct f2fs_sb_info
*sbi
, struct f2fs_summary
*sum
,
2958 block_t old_blkaddr
, block_t new_blkaddr
,
2959 bool recover_curseg
, bool recover_newaddr
);
2960 void f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct dnode_of_data
*dn
,
2961 block_t old_addr
, block_t new_addr
,
2962 unsigned char version
, bool recover_curseg
,
2963 bool recover_newaddr
);
2964 void f2fs_allocate_data_block(struct f2fs_sb_info
*sbi
, struct page
*page
,
2965 block_t old_blkaddr
, block_t
*new_blkaddr
,
2966 struct f2fs_summary
*sum
, int type
,
2967 struct f2fs_io_info
*fio
, bool add_list
);
2968 void f2fs_wait_on_page_writeback(struct page
*page
,
2969 enum page_type type
, bool ordered
);
2970 void f2fs_wait_on_block_writeback(struct inode
*inode
, block_t blkaddr
);
2971 void f2fs_write_data_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
2972 void f2fs_write_node_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
2973 int f2fs_lookup_journal_in_cursum(struct f2fs_journal
*journal
, int type
,
2974 unsigned int val
, int alloc
);
2975 void f2fs_flush_sit_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
2976 int f2fs_build_segment_manager(struct f2fs_sb_info
*sbi
);
2977 void f2fs_destroy_segment_manager(struct f2fs_sb_info
*sbi
);
2978 int __init
f2fs_create_segment_manager_caches(void);
2979 void f2fs_destroy_segment_manager_caches(void);
2980 int f2fs_rw_hint_to_seg_type(enum rw_hint hint
);
2981 enum rw_hint
f2fs_io_type_to_rw_hint(struct f2fs_sb_info
*sbi
,
2982 enum page_type type
, enum temp_type temp
);
2987 void f2fs_stop_checkpoint(struct f2fs_sb_info
*sbi
, bool end_io
);
2988 struct page
*f2fs_grab_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2989 struct page
*f2fs_get_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2990 struct page
*f2fs_get_meta_page_nofail(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2991 struct page
*f2fs_get_tmp_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2992 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
2993 block_t blkaddr
, int type
);
2994 int f2fs_ra_meta_pages(struct f2fs_sb_info
*sbi
, block_t start
, int nrpages
,
2995 int type
, bool sync
);
2996 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info
*sbi
, pgoff_t index
);
2997 long f2fs_sync_meta_pages(struct f2fs_sb_info
*sbi
, enum page_type type
,
2998 long nr_to_write
, enum iostat_type io_type
);
2999 void f2fs_add_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3000 void f2fs_remove_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3001 void f2fs_release_ino_entry(struct f2fs_sb_info
*sbi
, bool all
);
3002 bool f2fs_exist_written_data(struct f2fs_sb_info
*sbi
, nid_t ino
, int mode
);
3003 void f2fs_set_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3004 unsigned int devidx
, int type
);
3005 bool f2fs_is_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3006 unsigned int devidx
, int type
);
3007 int f2fs_sync_inode_meta(struct f2fs_sb_info
*sbi
);
3008 int f2fs_acquire_orphan_inode(struct f2fs_sb_info
*sbi
);
3009 void f2fs_release_orphan_inode(struct f2fs_sb_info
*sbi
);
3010 void f2fs_add_orphan_inode(struct inode
*inode
);
3011 void f2fs_remove_orphan_inode(struct f2fs_sb_info
*sbi
, nid_t ino
);
3012 int f2fs_recover_orphan_inodes(struct f2fs_sb_info
*sbi
);
3013 int f2fs_get_valid_checkpoint(struct f2fs_sb_info
*sbi
);
3014 void f2fs_update_dirty_page(struct inode
*inode
, struct page
*page
);
3015 void f2fs_remove_dirty_inode(struct inode
*inode
);
3016 int f2fs_sync_dirty_inodes(struct f2fs_sb_info
*sbi
, enum inode_type type
);
3017 void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info
*sbi
);
3018 int f2fs_write_checkpoint(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3019 void f2fs_init_ino_entry_info(struct f2fs_sb_info
*sbi
);
3020 int __init
f2fs_create_checkpoint_caches(void);
3021 void f2fs_destroy_checkpoint_caches(void);
3026 int f2fs_init_post_read_processing(void);
3027 void f2fs_destroy_post_read_processing(void);
3028 void f2fs_submit_merged_write(struct f2fs_sb_info
*sbi
, enum page_type type
);
3029 void f2fs_submit_merged_write_cond(struct f2fs_sb_info
*sbi
,
3030 struct inode
*inode
, nid_t ino
, pgoff_t idx
,
3031 enum page_type type
);
3032 void f2fs_flush_merged_writes(struct f2fs_sb_info
*sbi
);
3033 int f2fs_submit_page_bio(struct f2fs_io_info
*fio
);
3034 void f2fs_submit_page_write(struct f2fs_io_info
*fio
);
3035 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*sbi
,
3036 block_t blk_addr
, struct bio
*bio
);
3037 int f2fs_target_device_index(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3038 void f2fs_set_data_blkaddr(struct dnode_of_data
*dn
);
3039 void f2fs_update_data_blkaddr(struct dnode_of_data
*dn
, block_t blkaddr
);
3040 int f2fs_reserve_new_blocks(struct dnode_of_data
*dn
, blkcnt_t count
);
3041 int f2fs_reserve_new_block(struct dnode_of_data
*dn
);
3042 int f2fs_get_block(struct dnode_of_data
*dn
, pgoff_t index
);
3043 int f2fs_preallocate_blocks(struct kiocb
*iocb
, struct iov_iter
*from
);
3044 int f2fs_reserve_block(struct dnode_of_data
*dn
, pgoff_t index
);
3045 struct page
*f2fs_get_read_data_page(struct inode
*inode
, pgoff_t index
,
3046 int op_flags
, bool for_write
);
3047 struct page
*f2fs_find_data_page(struct inode
*inode
, pgoff_t index
);
3048 struct page
*f2fs_get_lock_data_page(struct inode
*inode
, pgoff_t index
,
3050 struct page
*f2fs_get_new_data_page(struct inode
*inode
,
3051 struct page
*ipage
, pgoff_t index
, bool new_i_size
);
3052 int f2fs_do_write_data_page(struct f2fs_io_info
*fio
);
3053 int f2fs_map_blocks(struct inode
*inode
, struct f2fs_map_blocks
*map
,
3054 int create
, int flag
);
3055 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*fieinfo
,
3056 u64 start
, u64 len
);
3057 bool f2fs_should_update_inplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3058 bool f2fs_should_update_outplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3059 void f2fs_invalidate_page(struct page
*page
, unsigned int offset
,
3060 unsigned int length
);
3061 int f2fs_release_page(struct page
*page
, gfp_t wait
);
3062 #ifdef CONFIG_MIGRATION
3063 int f2fs_migrate_page(struct address_space
*mapping
, struct page
*newpage
,
3064 struct page
*page
, enum migrate_mode mode
);
3066 bool f2fs_overwrite_io(struct inode
*inode
, loff_t pos
, size_t len
);
3067 void f2fs_clear_radix_tree_dirty_tag(struct page
*page
);
3072 int f2fs_start_gc_thread(struct f2fs_sb_info
*sbi
);
3073 void f2fs_stop_gc_thread(struct f2fs_sb_info
*sbi
);
3074 block_t
f2fs_start_bidx_of_node(unsigned int node_ofs
, struct inode
*inode
);
3075 int f2fs_gc(struct f2fs_sb_info
*sbi
, bool sync
, bool background
,
3076 unsigned int segno
);
3077 void f2fs_build_gc_manager(struct f2fs_sb_info
*sbi
);
3082 int f2fs_recover_fsync_data(struct f2fs_sb_info
*sbi
, bool check_only
);
3083 bool f2fs_space_for_roll_forward(struct f2fs_sb_info
*sbi
);
3088 #ifdef CONFIG_F2FS_STAT_FS
3089 struct f2fs_stat_info
{
3090 struct list_head stat_list
;
3091 struct f2fs_sb_info
*sbi
;
3092 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
3093 int main_area_segs
, main_area_sections
, main_area_zones
;
3094 unsigned long long hit_largest
, hit_cached
, hit_rbtree
;
3095 unsigned long long hit_total
, total_ext
;
3096 int ext_tree
, zombie_tree
, ext_node
;
3097 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_imeta
;
3098 int ndirty_data
, ndirty_qdata
;
3100 unsigned int ndirty_dirs
, ndirty_files
, nquota_files
, ndirty_all
;
3101 int nats
, dirty_nats
, sits
, dirty_sits
;
3102 int free_nids
, avail_nids
, alloc_nids
;
3103 int total_count
, utilization
;
3104 int bg_gc
, nr_wb_cp_data
, nr_wb_data
;
3105 int nr_flushing
, nr_flushed
, flush_list_empty
;
3106 int nr_discarding
, nr_discarded
;
3108 unsigned int undiscard_blks
;
3109 int inline_xattr
, inline_inode
, inline_dir
, append
, update
, orphans
;
3110 int aw_cnt
, max_aw_cnt
, vw_cnt
, max_vw_cnt
;
3111 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
3112 unsigned int bimodal
, avg_vblocks
;
3113 int util_free
, util_valid
, util_invalid
;
3114 int rsvd_segs
, overp_segs
;
3115 int dirty_count
, node_pages
, meta_pages
;
3116 int prefree_count
, call_count
, cp_count
, bg_cp_count
;
3117 int tot_segs
, node_segs
, data_segs
, free_segs
, free_secs
;
3118 int bg_node_segs
, bg_data_segs
;
3119 int tot_blks
, data_blks
, node_blks
;
3120 int bg_data_blks
, bg_node_blks
;
3121 unsigned long long skipped_atomic_files
[2];
3122 int curseg
[NR_CURSEG_TYPE
];
3123 int cursec
[NR_CURSEG_TYPE
];
3124 int curzone
[NR_CURSEG_TYPE
];
3126 unsigned int segment_count
[2];
3127 unsigned int block_count
[2];
3128 unsigned int inplace_count
;
3129 unsigned long long base_mem
, cache_mem
, page_mem
;
3132 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
3134 return (struct f2fs_stat_info
*)sbi
->stat_info
;
3137 #define stat_inc_cp_count(si) ((si)->cp_count++)
3138 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3139 #define stat_inc_call_count(si) ((si)->call_count++)
3140 #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++)
3141 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3142 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3143 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3144 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3145 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3146 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3147 #define stat_inc_inline_xattr(inode) \
3149 if (f2fs_has_inline_xattr(inode)) \
3150 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3152 #define stat_dec_inline_xattr(inode) \
3154 if (f2fs_has_inline_xattr(inode)) \
3155 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3157 #define stat_inc_inline_inode(inode) \
3159 if (f2fs_has_inline_data(inode)) \
3160 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3162 #define stat_dec_inline_inode(inode) \
3164 if (f2fs_has_inline_data(inode)) \
3165 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3167 #define stat_inc_inline_dir(inode) \
3169 if (f2fs_has_inline_dentry(inode)) \
3170 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3172 #define stat_dec_inline_dir(inode) \
3174 if (f2fs_has_inline_dentry(inode)) \
3175 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3177 #define stat_inc_seg_type(sbi, curseg) \
3178 ((sbi)->segment_count[(curseg)->alloc_type]++)
3179 #define stat_inc_block_count(sbi, curseg) \
3180 ((sbi)->block_count[(curseg)->alloc_type]++)
3181 #define stat_inc_inplace_blocks(sbi) \
3182 (atomic_inc(&(sbi)->inplace_count))
3183 #define stat_inc_atomic_write(inode) \
3184 (atomic_inc(&F2FS_I_SB(inode)->aw_cnt))
3185 #define stat_dec_atomic_write(inode) \
3186 (atomic_dec(&F2FS_I_SB(inode)->aw_cnt))
3187 #define stat_update_max_atomic_write(inode) \
3189 int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \
3190 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3192 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3194 #define stat_inc_volatile_write(inode) \
3195 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3196 #define stat_dec_volatile_write(inode) \
3197 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3198 #define stat_update_max_volatile_write(inode) \
3200 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3201 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3203 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3205 #define stat_inc_seg_count(sbi, type, gc_type) \
3207 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3209 if ((type) == SUM_TYPE_DATA) { \
3211 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3214 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3218 #define stat_inc_tot_blk_count(si, blks) \
3219 ((si)->tot_blks += (blks))
3221 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
3223 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3224 stat_inc_tot_blk_count(si, blks); \
3225 si->data_blks += (blks); \
3226 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3229 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
3231 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3232 stat_inc_tot_blk_count(si, blks); \
3233 si->node_blks += (blks); \
3234 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3237 int f2fs_build_stats(struct f2fs_sb_info
*sbi
);
3238 void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
);
3239 int __init
f2fs_create_root_stats(void);
3240 void f2fs_destroy_root_stats(void);
3242 #define stat_inc_cp_count(si) do { } while (0)
3243 #define stat_inc_bg_cp_count(si) do { } while (0)
3244 #define stat_inc_call_count(si) do { } while (0)
3245 #define stat_inc_bggc_count(si) do { } while (0)
3246 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
3247 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
3248 #define stat_inc_total_hit(sb) do { } while (0)
3249 #define stat_inc_rbtree_node_hit(sb) do { } while (0)
3250 #define stat_inc_largest_node_hit(sbi) do { } while (0)
3251 #define stat_inc_cached_node_hit(sbi) do { } while (0)
3252 #define stat_inc_inline_xattr(inode) do { } while (0)
3253 #define stat_dec_inline_xattr(inode) do { } while (0)
3254 #define stat_inc_inline_inode(inode) do { } while (0)
3255 #define stat_dec_inline_inode(inode) do { } while (0)
3256 #define stat_inc_inline_dir(inode) do { } while (0)
3257 #define stat_dec_inline_dir(inode) do { } while (0)
3258 #define stat_inc_atomic_write(inode) do { } while (0)
3259 #define stat_dec_atomic_write(inode) do { } while (0)
3260 #define stat_update_max_atomic_write(inode) do { } while (0)
3261 #define stat_inc_volatile_write(inode) do { } while (0)
3262 #define stat_dec_volatile_write(inode) do { } while (0)
3263 #define stat_update_max_volatile_write(inode) do { } while (0)
3264 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
3265 #define stat_inc_block_count(sbi, curseg) do { } while (0)
3266 #define stat_inc_inplace_blocks(sbi) do { } while (0)
3267 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3268 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
3269 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3270 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3272 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
3273 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
3274 static inline int __init
f2fs_create_root_stats(void) { return 0; }
3275 static inline void f2fs_destroy_root_stats(void) { }
3278 extern const struct file_operations f2fs_dir_operations
;
3279 extern const struct file_operations f2fs_file_operations
;
3280 extern const struct inode_operations f2fs_file_inode_operations
;
3281 extern const struct address_space_operations f2fs_dblock_aops
;
3282 extern const struct address_space_operations f2fs_node_aops
;
3283 extern const struct address_space_operations f2fs_meta_aops
;
3284 extern const struct inode_operations f2fs_dir_inode_operations
;
3285 extern const struct inode_operations f2fs_symlink_inode_operations
;
3286 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
3287 extern const struct inode_operations f2fs_special_inode_operations
;
3288 extern struct kmem_cache
*f2fs_inode_entry_slab
;
3293 bool f2fs_may_inline_data(struct inode
*inode
);
3294 bool f2fs_may_inline_dentry(struct inode
*inode
);
3295 void f2fs_do_read_inline_data(struct page
*page
, struct page
*ipage
);
3296 void f2fs_truncate_inline_inode(struct inode
*inode
,
3297 struct page
*ipage
, u64 from
);
3298 int f2fs_read_inline_data(struct inode
*inode
, struct page
*page
);
3299 int f2fs_convert_inline_page(struct dnode_of_data
*dn
, struct page
*page
);
3300 int f2fs_convert_inline_inode(struct inode
*inode
);
3301 int f2fs_write_inline_data(struct inode
*inode
, struct page
*page
);
3302 bool f2fs_recover_inline_data(struct inode
*inode
, struct page
*npage
);
3303 struct f2fs_dir_entry
*f2fs_find_in_inline_dir(struct inode
*dir
,
3304 struct fscrypt_name
*fname
, struct page
**res_page
);
3305 int f2fs_make_empty_inline_dir(struct inode
*inode
, struct inode
*parent
,
3306 struct page
*ipage
);
3307 int f2fs_add_inline_entry(struct inode
*dir
, const struct qstr
*new_name
,
3308 const struct qstr
*orig_name
,
3309 struct inode
*inode
, nid_t ino
, umode_t mode
);
3310 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*dentry
,
3311 struct page
*page
, struct inode
*dir
,
3312 struct inode
*inode
);
3313 bool f2fs_empty_inline_dir(struct inode
*dir
);
3314 int f2fs_read_inline_dir(struct file
*file
, struct dir_context
*ctx
,
3315 struct fscrypt_str
*fstr
);
3316 int f2fs_inline_data_fiemap(struct inode
*inode
,
3317 struct fiemap_extent_info
*fieinfo
,
3318 __u64 start
, __u64 len
);
3323 unsigned long f2fs_shrink_count(struct shrinker
*shrink
,
3324 struct shrink_control
*sc
);
3325 unsigned long f2fs_shrink_scan(struct shrinker
*shrink
,
3326 struct shrink_control
*sc
);
3327 void f2fs_join_shrinker(struct f2fs_sb_info
*sbi
);
3328 void f2fs_leave_shrinker(struct f2fs_sb_info
*sbi
);
3333 struct rb_entry
*f2fs_lookup_rb_tree(struct rb_root
*root
,
3334 struct rb_entry
*cached_re
, unsigned int ofs
);
3335 struct rb_node
**f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info
*sbi
,
3336 struct rb_root
*root
, struct rb_node
**parent
,
3338 struct rb_entry
*f2fs_lookup_rb_tree_ret(struct rb_root
*root
,
3339 struct rb_entry
*cached_re
, unsigned int ofs
,
3340 struct rb_entry
**prev_entry
, struct rb_entry
**next_entry
,
3341 struct rb_node
***insert_p
, struct rb_node
**insert_parent
,
3343 bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info
*sbi
,
3344 struct rb_root
*root
);
3345 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3346 bool f2fs_init_extent_tree(struct inode
*inode
, struct f2fs_extent
*i_ext
);
3347 void f2fs_drop_extent_tree(struct inode
*inode
);
3348 unsigned int f2fs_destroy_extent_node(struct inode
*inode
);
3349 void f2fs_destroy_extent_tree(struct inode
*inode
);
3350 bool f2fs_lookup_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
3351 struct extent_info
*ei
);
3352 void f2fs_update_extent_cache(struct dnode_of_data
*dn
);
3353 void f2fs_update_extent_cache_range(struct dnode_of_data
*dn
,
3354 pgoff_t fofs
, block_t blkaddr
, unsigned int len
);
3355 void f2fs_init_extent_cache_info(struct f2fs_sb_info
*sbi
);
3356 int __init
f2fs_create_extent_cache(void);
3357 void f2fs_destroy_extent_cache(void);
3362 int __init
f2fs_init_sysfs(void);
3363 void f2fs_exit_sysfs(void);
3364 int f2fs_register_sysfs(struct f2fs_sb_info
*sbi
);
3365 void f2fs_unregister_sysfs(struct f2fs_sb_info
*sbi
);
3370 static inline bool f2fs_encrypted_inode(struct inode
*inode
)
3372 return file_is_encrypt(inode
);
3375 static inline bool f2fs_encrypted_file(struct inode
*inode
)
3377 return f2fs_encrypted_inode(inode
) && S_ISREG(inode
->i_mode
);
3380 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
3382 #ifdef CONFIG_F2FS_FS_ENCRYPTION
3383 file_set_encrypt(inode
);
3384 inode
->i_flags
|= S_ENCRYPTED
;
3389 * Returns true if the reads of the inode's data need to undergo some
3390 * postprocessing step, like decryption or authenticity verification.
3392 static inline bool f2fs_post_read_required(struct inode
*inode
)
3394 return f2fs_encrypted_file(inode
);
3397 #define F2FS_FEATURE_FUNCS(name, flagname) \
3398 static inline int f2fs_sb_has_##name(struct super_block *sb) \
3400 return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_##flagname); \
3403 F2FS_FEATURE_FUNCS(encrypt
, ENCRYPT
);
3404 F2FS_FEATURE_FUNCS(blkzoned
, BLKZONED
);
3405 F2FS_FEATURE_FUNCS(extra_attr
, EXTRA_ATTR
);
3406 F2FS_FEATURE_FUNCS(project_quota
, PRJQUOTA
);
3407 F2FS_FEATURE_FUNCS(inode_chksum
, INODE_CHKSUM
);
3408 F2FS_FEATURE_FUNCS(flexible_inline_xattr
, FLEXIBLE_INLINE_XATTR
);
3409 F2FS_FEATURE_FUNCS(quota_ino
, QUOTA_INO
);
3410 F2FS_FEATURE_FUNCS(inode_crtime
, INODE_CRTIME
);
3411 F2FS_FEATURE_FUNCS(lost_found
, LOST_FOUND
);
3413 #ifdef CONFIG_BLK_DEV_ZONED
3414 static inline int get_blkz_type(struct f2fs_sb_info
*sbi
,
3415 struct block_device
*bdev
, block_t blkaddr
)
3417 unsigned int zno
= blkaddr
>> sbi
->log_blocks_per_blkz
;
3420 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
3421 if (FDEV(i
).bdev
== bdev
)
3422 return FDEV(i
).blkz_type
[zno
];
3427 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info
*sbi
)
3429 return f2fs_sb_has_blkzoned(sbi
->sb
);
3432 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info
*sbi
)
3434 return blk_queue_discard(bdev_get_queue(sbi
->sb
->s_bdev
));
3437 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info
*sbi
)
3439 return (test_opt(sbi
, DISCARD
) && f2fs_hw_support_discard(sbi
)) ||
3440 f2fs_hw_should_discard(sbi
);
3443 static inline void set_opt_mode(struct f2fs_sb_info
*sbi
, unsigned int mt
)
3445 clear_opt(sbi
, ADAPTIVE
);
3446 clear_opt(sbi
, LFS
);
3449 case F2FS_MOUNT_ADAPTIVE
:
3450 set_opt(sbi
, ADAPTIVE
);
3452 case F2FS_MOUNT_LFS
:
3458 static inline bool f2fs_may_encrypt(struct inode
*inode
)
3460 #ifdef CONFIG_F2FS_FS_ENCRYPTION
3461 umode_t mode
= inode
->i_mode
;
3463 return (S_ISREG(mode
) || S_ISDIR(mode
) || S_ISLNK(mode
));
3469 static inline bool f2fs_force_buffered_io(struct inode
*inode
, int rw
)
3471 return (f2fs_post_read_required(inode
) ||
3472 (rw
== WRITE
&& test_opt(F2FS_I_SB(inode
), LFS
)) ||
3473 F2FS_I_SB(inode
)->s_ndevs
);
3476 #ifdef CONFIG_F2FS_FAULT_INJECTION
3477 extern void f2fs_build_fault_attr(struct f2fs_sb_info
*sbi
, unsigned int rate
,
3480 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)