1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
11 #include <linux/uio.h>
12 #include <linux/types.h>
13 #include <linux/page-flags.h>
14 #include <linux/buffer_head.h>
15 #include <linux/slab.h>
16 #include <linux/crc32.h>
17 #include <linux/magic.h>
18 #include <linux/kobject.h>
19 #include <linux/sched.h>
20 #include <linux/cred.h>
21 #include <linux/vmalloc.h>
22 #include <linux/bio.h>
23 #include <linux/blkdev.h>
24 #include <linux/quotaops.h>
25 #include <crypto/hash.h>
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 const 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
101 #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
103 #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
104 #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
105 #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
106 #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
108 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
109 typecheck(unsigned long long, b) && \
110 ((long long)((a) - (b)) > 0))
112 typedef u32 block_t
; /*
113 * should not change u32, since it is the on-disk block
114 * address format, __le32.
118 struct f2fs_mount_info
{
120 int write_io_size_bits
; /* Write IO size bits */
121 block_t root_reserved_blocks
; /* root reserved blocks */
122 kuid_t s_resuid
; /* reserved blocks for uid */
123 kgid_t s_resgid
; /* reserved blocks for gid */
124 int active_logs
; /* # of active logs */
125 int inline_xattr_size
; /* inline xattr size */
126 #ifdef CONFIG_F2FS_FAULT_INJECTION
127 struct f2fs_fault_info fault_info
; /* For fault injection */
130 /* Names of quota files with journalled quota */
131 char *s_qf_names
[MAXQUOTAS
];
132 int s_jquota_fmt
; /* Format of quota to use */
134 /* For which write hints are passed down to block layer */
136 int alloc_mode
; /* segment allocation policy */
137 int fsync_mode
; /* fsync policy */
138 bool test_dummy_encryption
; /* test dummy encryption */
141 #define F2FS_FEATURE_ENCRYPT 0x0001
142 #define F2FS_FEATURE_BLKZONED 0x0002
143 #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
144 #define F2FS_FEATURE_EXTRA_ATTR 0x0008
145 #define F2FS_FEATURE_PRJQUOTA 0x0010
146 #define F2FS_FEATURE_INODE_CHKSUM 0x0020
147 #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
148 #define F2FS_FEATURE_QUOTA_INO 0x0080
149 #define F2FS_FEATURE_INODE_CRTIME 0x0100
150 #define F2FS_FEATURE_LOST_FOUND 0x0200
151 #define F2FS_FEATURE_VERITY 0x0400 /* reserved */
152 #define F2FS_FEATURE_SB_CHKSUM 0x0800
154 #define __F2FS_HAS_FEATURE(raw_super, mask) \
155 ((raw_super->feature & cpu_to_le32(mask)) != 0)
156 #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
157 #define F2FS_SET_FEATURE(sbi, mask) \
158 (sbi->raw_super->feature |= cpu_to_le32(mask))
159 #define F2FS_CLEAR_FEATURE(sbi, mask) \
160 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
163 * Default values for user and/or group using reserved blocks
165 #define F2FS_DEF_RESUID 0
166 #define F2FS_DEF_RESGID 0
169 * For checkpoint manager
176 #define CP_UMOUNT 0x00000001
177 #define CP_FASTBOOT 0x00000002
178 #define CP_SYNC 0x00000004
179 #define CP_RECOVERY 0x00000008
180 #define CP_DISCARD 0x00000010
181 #define CP_TRIMMED 0x00000020
182 #define CP_PAUSE 0x00000040
184 #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
185 #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
186 #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
187 #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
188 #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
189 #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
190 #define DEF_CP_INTERVAL 60 /* 60 secs */
191 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
192 #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
193 #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */
194 #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
204 * indicate meta/data type
217 /* for the list of ino */
219 ORPHAN_INO
, /* for orphan ino list */
220 APPEND_INO
, /* for append ino list */
221 UPDATE_INO
, /* for update ino list */
222 TRANS_DIR_INO
, /* for trasactions dir ino list */
223 FLUSH_INO
, /* for multiple device flushing */
224 MAX_INO_ENTRY
, /* max. list */
228 struct list_head list
; /* list head */
229 nid_t ino
; /* inode number */
230 unsigned int dirty_device
; /* dirty device bitmap */
233 /* for the list of inodes to be GCed */
235 struct list_head list
; /* list head */
236 struct inode
*inode
; /* vfs inode pointer */
239 struct fsync_node_entry
{
240 struct list_head list
; /* list head */
241 struct page
*page
; /* warm node page pointer */
242 unsigned int seq_id
; /* sequence id */
245 /* for the bitmap indicate blocks to be discarded */
246 struct discard_entry
{
247 struct list_head list
; /* list head */
248 block_t start_blkaddr
; /* start blockaddr of current segment */
249 unsigned char discard_map
[SIT_VBLOCK_MAP_SIZE
]; /* segment discard bitmap */
252 /* default discard granularity of inner discard thread, unit: block count */
253 #define DEFAULT_DISCARD_GRANULARITY 16
255 /* max discard pend list number */
256 #define MAX_PLIST_NUM 512
257 #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
258 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
261 D_PREP
, /* initial */
262 D_PARTIAL
, /* partially submitted */
263 D_SUBMIT
, /* all submitted */
264 D_DONE
, /* finished */
267 struct discard_info
{
268 block_t lstart
; /* logical start address */
269 block_t len
; /* length */
270 block_t start
; /* actual start address in dev */
274 struct rb_node rb_node
; /* rb node located in rb-tree */
277 block_t lstart
; /* logical start address */
278 block_t len
; /* length */
279 block_t start
; /* actual start address in dev */
281 struct discard_info di
; /* discard info */
284 struct list_head list
; /* command list */
285 struct completion wait
; /* compleation */
286 struct block_device
*bdev
; /* bdev */
287 unsigned short ref
; /* reference count */
288 unsigned char state
; /* state */
289 unsigned char queued
; /* queued discard */
290 int error
; /* bio error */
291 spinlock_t lock
; /* for state/bio_ref updating */
292 unsigned short bio_ref
; /* bio reference count */
303 struct discard_policy
{
304 int type
; /* type of discard */
305 unsigned int min_interval
; /* used for candidates exist */
306 unsigned int mid_interval
; /* used for device busy */
307 unsigned int max_interval
; /* used for candidates not exist */
308 unsigned int max_requests
; /* # of discards issued per round */
309 unsigned int io_aware_gran
; /* minimum granularity discard not be aware of I/O */
310 bool io_aware
; /* issue discard in idle time */
311 bool sync
; /* submit discard with REQ_SYNC flag */
312 bool ordered
; /* issue discard by lba order */
313 unsigned int granularity
; /* discard granularity */
314 int timeout
; /* discard timeout for put_super */
317 struct discard_cmd_control
{
318 struct task_struct
*f2fs_issue_discard
; /* discard thread */
319 struct list_head entry_list
; /* 4KB discard entry list */
320 struct list_head pend_list
[MAX_PLIST_NUM
];/* store pending entries */
321 struct list_head wait_list
; /* store on-flushing entries */
322 struct list_head fstrim_list
; /* in-flight discard from fstrim */
323 wait_queue_head_t discard_wait_queue
; /* waiting queue for wake-up */
324 unsigned int discard_wake
; /* to wake up discard thread */
325 struct mutex cmd_lock
;
326 unsigned int nr_discards
; /* # of discards in the list */
327 unsigned int max_discards
; /* max. discards to be issued */
328 unsigned int discard_granularity
; /* discard granularity */
329 unsigned int undiscard_blks
; /* # of undiscard blocks */
330 unsigned int next_pos
; /* next discard position */
331 atomic_t issued_discard
; /* # of issued discard */
332 atomic_t queued_discard
; /* # of queued discard */
333 atomic_t discard_cmd_cnt
; /* # of cached cmd count */
334 struct rb_root_cached root
; /* root of discard rb-tree */
335 bool rbtree_check
; /* config for consistence check */
338 /* for the list of fsync inodes, used only during recovery */
339 struct fsync_inode_entry
{
340 struct list_head list
; /* list head */
341 struct inode
*inode
; /* vfs inode pointer */
342 block_t blkaddr
; /* block address locating the last fsync */
343 block_t last_dentry
; /* block address locating the last dentry */
346 #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
347 #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
349 #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
350 #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
351 #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
352 #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
354 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
355 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
357 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
359 int before
= nats_in_cursum(journal
);
361 journal
->n_nats
= cpu_to_le16(before
+ i
);
365 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
367 int before
= sits_in_cursum(journal
);
369 journal
->n_sits
= cpu_to_le16(before
+ i
);
373 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
376 if (type
== NAT_JOURNAL
)
377 return size
<= MAX_NAT_JENTRIES(journal
);
378 return size
<= MAX_SIT_JENTRIES(journal
);
384 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
385 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
386 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
388 #define F2FS_IOCTL_MAGIC 0xf5
389 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
390 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
391 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
392 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
393 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
394 #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32)
395 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
396 #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \
397 struct f2fs_defragment)
398 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
399 struct f2fs_move_range)
400 #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \
401 struct f2fs_flush_device)
402 #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \
403 struct f2fs_gc_range)
404 #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32)
405 #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32)
406 #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32)
407 #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15)
409 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
410 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
411 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
414 * should be same as XFS_IOC_GOINGDOWN.
415 * Flags for going down operation used by FS_IOC_GOINGDOWN
417 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
418 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
419 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
420 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
421 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
422 #define F2FS_GOING_DOWN_NEED_FSCK 0x4 /* going down to trigger fsck */
424 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
426 * ioctl commands in 32 bit emulation
428 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
429 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
430 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
433 #define F2FS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
434 #define F2FS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
436 struct f2fs_gc_range
{
442 struct f2fs_defragment
{
447 struct f2fs_move_range
{
448 u32 dst_fd
; /* destination fd */
449 u64 pos_in
; /* start position in src_fd */
450 u64 pos_out
; /* start position in dst_fd */
451 u64 len
; /* size to move */
454 struct f2fs_flush_device
{
455 u32 dev_num
; /* device number to flush */
456 u32 segments
; /* # of segments to flush */
459 /* for inline stuff */
460 #define DEF_INLINE_RESERVED_SIZE 1
461 static inline int get_extra_isize(struct inode
*inode
);
462 static inline int get_inline_xattr_addrs(struct inode
*inode
);
463 #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
464 (CUR_ADDRS_PER_INODE(inode) - \
465 get_inline_xattr_addrs(inode) - \
466 DEF_INLINE_RESERVED_SIZE))
469 #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
470 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
472 #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \
473 BITS_PER_BYTE - 1) / BITS_PER_BYTE)
474 #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
475 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
476 NR_INLINE_DENTRY(inode) + \
477 INLINE_DENTRY_BITMAP_SIZE(inode)))
480 * For INODE and NODE manager
482 /* for directory operations */
483 struct f2fs_dentry_ptr
{
486 struct f2fs_dir_entry
*dentry
;
487 __u8 (*filename
)[F2FS_SLOT_LEN
];
492 static inline void make_dentry_ptr_block(struct inode
*inode
,
493 struct f2fs_dentry_ptr
*d
, struct f2fs_dentry_block
*t
)
496 d
->max
= NR_DENTRY_IN_BLOCK
;
497 d
->nr_bitmap
= SIZE_OF_DENTRY_BITMAP
;
498 d
->bitmap
= t
->dentry_bitmap
;
499 d
->dentry
= t
->dentry
;
500 d
->filename
= t
->filename
;
503 static inline void make_dentry_ptr_inline(struct inode
*inode
,
504 struct f2fs_dentry_ptr
*d
, void *t
)
506 int entry_cnt
= NR_INLINE_DENTRY(inode
);
507 int bitmap_size
= INLINE_DENTRY_BITMAP_SIZE(inode
);
508 int reserved_size
= INLINE_RESERVED_SIZE(inode
);
512 d
->nr_bitmap
= bitmap_size
;
514 d
->dentry
= t
+ bitmap_size
+ reserved_size
;
515 d
->filename
= t
+ bitmap_size
+ reserved_size
+
516 SIZE_OF_DIR_ENTRY
* entry_cnt
;
520 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
521 * as its node offset to distinguish from index node blocks.
522 * But some bits are used to mark the node block.
524 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
527 ALLOC_NODE
, /* allocate a new node page if needed */
528 LOOKUP_NODE
, /* look up a node without readahead */
530 * look up a node with readahead called
535 #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */
537 /* maximum retry quota flush count */
538 #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
540 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
542 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
544 /* for in-memory extent cache entry */
545 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
547 /* number of extent info in extent cache we try to shrink */
548 #define EXTENT_CACHE_SHRINK_NUMBER 128
551 struct rb_node rb_node
; /* rb node located in rb-tree */
552 unsigned int ofs
; /* start offset of the entry */
553 unsigned int len
; /* length of the entry */
557 unsigned int fofs
; /* start offset in a file */
558 unsigned int len
; /* length of the extent */
559 u32 blk
; /* start block address of the extent */
563 struct rb_node rb_node
; /* rb node located in rb-tree */
564 struct extent_info ei
; /* extent info */
565 struct list_head list
; /* node in global extent list of sbi */
566 struct extent_tree
*et
; /* extent tree pointer */
570 nid_t ino
; /* inode number */
571 struct rb_root_cached root
; /* root of extent info rb-tree */
572 struct extent_node
*cached_en
; /* recently accessed extent node */
573 struct extent_info largest
; /* largested extent info */
574 struct list_head list
; /* to be used by sbi->zombie_list */
575 rwlock_t lock
; /* protect extent info rb-tree */
576 atomic_t node_cnt
; /* # of extent node in rb-tree*/
577 bool largest_updated
; /* largest extent updated */
581 * This structure is taken from ext4_map_blocks.
583 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
585 #define F2FS_MAP_NEW (1 << BH_New)
586 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
587 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
588 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
591 struct f2fs_map_blocks
{
595 unsigned int m_flags
;
596 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
597 pgoff_t
*m_next_extent
; /* point to next possible extent */
599 bool m_may_create
; /* indicate it is from write path */
602 /* for flag in get_data_block */
604 F2FS_GET_BLOCK_DEFAULT
,
605 F2FS_GET_BLOCK_FIEMAP
,
608 F2FS_GET_BLOCK_PRE_DIO
,
609 F2FS_GET_BLOCK_PRE_AIO
,
610 F2FS_GET_BLOCK_PRECACHE
,
614 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
616 #define FADVISE_COLD_BIT 0x01
617 #define FADVISE_LOST_PINO_BIT 0x02
618 #define FADVISE_ENCRYPT_BIT 0x04
619 #define FADVISE_ENC_NAME_BIT 0x08
620 #define FADVISE_KEEP_SIZE_BIT 0x10
621 #define FADVISE_HOT_BIT 0x20
622 #define FADVISE_VERITY_BIT 0x40 /* reserved */
624 #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
626 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
627 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
628 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
629 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
630 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
631 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
632 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
633 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
634 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
635 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
636 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
637 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
638 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
639 #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
640 #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
641 #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
643 #define DEF_DIR_LEVEL 0
651 struct f2fs_inode_info
{
652 struct inode vfs_inode
; /* serve a vfs inode */
653 unsigned long i_flags
; /* keep an inode flags for ioctl */
654 unsigned char i_advise
; /* use to give file attribute hints */
655 unsigned char i_dir_level
; /* use for dentry level for large dir */
656 unsigned int i_current_depth
; /* only for directory depth */
657 /* for gc failure statistic */
658 unsigned int i_gc_failures
[MAX_GC_FAILURE
];
659 unsigned int i_pino
; /* parent inode number */
660 umode_t i_acl_mode
; /* keep file acl mode temporarily */
662 /* Use below internally in f2fs*/
663 unsigned long flags
; /* use to pass per-file flags */
664 struct rw_semaphore i_sem
; /* protect fi info */
665 atomic_t dirty_pages
; /* # of dirty pages */
666 f2fs_hash_t chash
; /* hash value of given file name */
667 unsigned int clevel
; /* maximum level of given file name */
668 struct task_struct
*task
; /* lookup and create consistency */
669 struct task_struct
*cp_task
; /* separate cp/wb IO stats*/
670 nid_t i_xattr_nid
; /* node id that contains xattrs */
671 loff_t last_disk_size
; /* lastly written file size */
674 struct dquot
*i_dquot
[MAXQUOTAS
];
676 /* quota space reservation, managed internally by quota code */
677 qsize_t i_reserved_quota
;
679 struct list_head dirty_list
; /* dirty list for dirs and files */
680 struct list_head gdirty_list
; /* linked in global dirty list */
681 struct list_head inmem_ilist
; /* list for inmem inodes */
682 struct list_head inmem_pages
; /* inmemory pages managed by f2fs */
683 struct task_struct
*inmem_task
; /* store inmemory task */
684 struct mutex inmem_lock
; /* lock for inmemory pages */
685 struct extent_tree
*extent_tree
; /* cached extent_tree entry */
687 /* avoid racing between foreground op and gc */
688 struct rw_semaphore i_gc_rwsem
[2];
689 struct rw_semaphore i_mmap_sem
;
690 struct rw_semaphore i_xattr_sem
; /* avoid racing between reading and changing EAs */
692 int i_extra_isize
; /* size of extra space located in i_addr */
693 kprojid_t i_projid
; /* id for project quota */
694 int i_inline_xattr_size
; /* inline xattr size */
695 struct timespec64 i_crtime
; /* inode creation time */
696 struct timespec64 i_disk_time
[4];/* inode disk times */
699 static inline void get_extent_info(struct extent_info
*ext
,
700 struct f2fs_extent
*i_ext
)
702 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
703 ext
->blk
= le32_to_cpu(i_ext
->blk
);
704 ext
->len
= le32_to_cpu(i_ext
->len
);
707 static inline void set_raw_extent(struct extent_info
*ext
,
708 struct f2fs_extent
*i_ext
)
710 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
711 i_ext
->blk
= cpu_to_le32(ext
->blk
);
712 i_ext
->len
= cpu_to_le32(ext
->len
);
715 static inline void set_extent_info(struct extent_info
*ei
, unsigned int fofs
,
716 u32 blk
, unsigned int len
)
723 static inline bool __is_discard_mergeable(struct discard_info
*back
,
724 struct discard_info
*front
, unsigned int max_len
)
726 return (back
->lstart
+ back
->len
== front
->lstart
) &&
727 (back
->len
+ front
->len
<= max_len
);
730 static inline bool __is_discard_back_mergeable(struct discard_info
*cur
,
731 struct discard_info
*back
, unsigned int max_len
)
733 return __is_discard_mergeable(back
, cur
, max_len
);
736 static inline bool __is_discard_front_mergeable(struct discard_info
*cur
,
737 struct discard_info
*front
, unsigned int max_len
)
739 return __is_discard_mergeable(cur
, front
, max_len
);
742 static inline bool __is_extent_mergeable(struct extent_info
*back
,
743 struct extent_info
*front
)
745 return (back
->fofs
+ back
->len
== front
->fofs
&&
746 back
->blk
+ back
->len
== front
->blk
);
749 static inline bool __is_back_mergeable(struct extent_info
*cur
,
750 struct extent_info
*back
)
752 return __is_extent_mergeable(back
, cur
);
755 static inline bool __is_front_mergeable(struct extent_info
*cur
,
756 struct extent_info
*front
)
758 return __is_extent_mergeable(cur
, front
);
761 extern void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
);
762 static inline void __try_update_largest_extent(struct extent_tree
*et
,
763 struct extent_node
*en
)
765 if (en
->ei
.len
> et
->largest
.len
) {
766 et
->largest
= en
->ei
;
767 et
->largest_updated
= true;
772 * For free nid management
775 FREE_NID
, /* newly added to free nid list */
776 PREALLOC_NID
, /* it is preallocated */
780 struct f2fs_nm_info
{
781 block_t nat_blkaddr
; /* base disk address of NAT */
782 nid_t max_nid
; /* maximum possible node ids */
783 nid_t available_nids
; /* # of available node ids */
784 nid_t next_scan_nid
; /* the next nid to be scanned */
785 unsigned int ram_thresh
; /* control the memory footprint */
786 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
787 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
789 /* NAT cache management */
790 struct radix_tree_root nat_root
;/* root of the nat entry cache */
791 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
792 struct rw_semaphore nat_tree_lock
; /* protect nat_tree_lock */
793 struct list_head nat_entries
; /* cached nat entry list (clean) */
794 spinlock_t nat_list_lock
; /* protect clean nat entry list */
795 unsigned int nat_cnt
; /* the # of cached nat entries */
796 unsigned int dirty_nat_cnt
; /* total num of nat entries in set */
797 unsigned int nat_blocks
; /* # of nat blocks */
799 /* free node ids management */
800 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
801 struct list_head free_nid_list
; /* list for free nids excluding preallocated nids */
802 unsigned int nid_cnt
[MAX_NID_STATE
]; /* the number of free node id */
803 spinlock_t nid_list_lock
; /* protect nid lists ops */
804 struct mutex build_lock
; /* lock for build free nids */
805 unsigned char **free_nid_bitmap
;
806 unsigned char *nat_block_bitmap
;
807 unsigned short *free_nid_count
; /* free nid count of NAT block */
810 char *nat_bitmap
; /* NAT bitmap pointer */
812 unsigned int nat_bits_blocks
; /* # of nat bits blocks */
813 unsigned char *nat_bits
; /* NAT bits blocks */
814 unsigned char *full_nat_bits
; /* full NAT pages */
815 unsigned char *empty_nat_bits
; /* empty NAT pages */
816 #ifdef CONFIG_F2FS_CHECK_FS
817 char *nat_bitmap_mir
; /* NAT bitmap mirror */
819 int bitmap_size
; /* bitmap size */
823 * this structure is used as one of function parameters.
824 * all the information are dedicated to a given direct node block determined
825 * by the data offset in a file.
827 struct dnode_of_data
{
828 struct inode
*inode
; /* vfs inode pointer */
829 struct page
*inode_page
; /* its inode page, NULL is possible */
830 struct page
*node_page
; /* cached direct node page */
831 nid_t nid
; /* node id of the direct node block */
832 unsigned int ofs_in_node
; /* data offset in the node page */
833 bool inode_page_locked
; /* inode page is locked or not */
834 bool node_changed
; /* is node block changed */
835 char cur_level
; /* level of hole node page */
836 char max_level
; /* level of current page located */
837 block_t data_blkaddr
; /* block address of the node block */
840 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
841 struct page
*ipage
, struct page
*npage
, nid_t nid
)
843 memset(dn
, 0, sizeof(*dn
));
845 dn
->inode_page
= ipage
;
846 dn
->node_page
= npage
;
853 * By default, there are 6 active log areas across the whole main area.
854 * When considering hot and cold data separation to reduce cleaning overhead,
855 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
857 * In the current design, you should not change the numbers intentionally.
858 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
859 * logs individually according to the underlying devices. (default: 6)
860 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
861 * data and 8 for node logs.
863 #define NR_CURSEG_DATA_TYPE (3)
864 #define NR_CURSEG_NODE_TYPE (3)
865 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
868 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
869 CURSEG_WARM_DATA
, /* data blocks */
870 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
871 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
872 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
873 CURSEG_COLD_NODE
, /* indirect node blocks */
878 struct completion wait
;
879 struct llist_node llnode
;
884 struct flush_cmd_control
{
885 struct task_struct
*f2fs_issue_flush
; /* flush thread */
886 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
887 atomic_t issued_flush
; /* # of issued flushes */
888 atomic_t queued_flush
; /* # of queued flushes */
889 struct llist_head issue_list
; /* list for command issue */
890 struct llist_node
*dispatch_list
; /* list for command dispatch */
893 struct f2fs_sm_info
{
894 struct sit_info
*sit_info
; /* whole segment information */
895 struct free_segmap_info
*free_info
; /* free segment information */
896 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
897 struct curseg_info
*curseg_array
; /* active segment information */
899 struct rw_semaphore curseg_lock
; /* for preventing curseg change */
901 block_t seg0_blkaddr
; /* block address of 0'th segment */
902 block_t main_blkaddr
; /* start block address of main area */
903 block_t ssa_blkaddr
; /* start block address of SSA area */
905 unsigned int segment_count
; /* total # of segments */
906 unsigned int main_segments
; /* # of segments in main area */
907 unsigned int reserved_segments
; /* # of reserved segments */
908 unsigned int ovp_segments
; /* # of overprovision segments */
910 /* a threshold to reclaim prefree segments */
911 unsigned int rec_prefree_segments
;
913 /* for batched trimming */
914 unsigned int trim_sections
; /* # of sections to trim */
916 struct list_head sit_entry_set
; /* sit entry set list */
918 unsigned int ipu_policy
; /* in-place-update policy */
919 unsigned int min_ipu_util
; /* in-place-update threshold */
920 unsigned int min_fsync_blocks
; /* threshold for fsync */
921 unsigned int min_seq_blocks
; /* threshold for sequential blocks */
922 unsigned int min_hot_blocks
; /* threshold for hot block allocation */
923 unsigned int min_ssr_sections
; /* threshold to trigger SSR allocation */
925 /* for flush command control */
926 struct flush_cmd_control
*fcc_info
;
928 /* for discard command control */
929 struct discard_cmd_control
*dcc_info
;
936 * COUNT_TYPE for monitoring
938 * f2fs monitors the number of several block types such as on-writeback,
939 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
941 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
961 * The below are the page types of bios used in submit_bio().
962 * The available types are:
963 * DATA User data pages. It operates as async mode.
964 * NODE Node pages. It operates as async mode.
965 * META FS metadata pages such as SIT, NAT, CP.
966 * NR_PAGE_TYPE The number of page types.
967 * META_FLUSH Make sure the previous pages are written
968 * with waiting the bio's completion
969 * ... Only can be used with META.
971 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
978 INMEM
, /* the below types are used by tracepoints only. */
987 HOT
= 0, /* must be zero for meta bio */
993 enum need_lock_type
{
999 enum cp_reason_type
{
1013 APP_DIRECT_IO
, /* app direct IOs */
1014 APP_BUFFERED_IO
, /* app buffered IOs */
1015 APP_WRITE_IO
, /* app write IOs */
1016 APP_MAPPED_IO
, /* app mapped IOs */
1017 FS_DATA_IO
, /* data IOs from kworker/fsync/reclaimer */
1018 FS_NODE_IO
, /* node IOs from kworker/fsync/reclaimer */
1019 FS_META_IO
, /* meta IOs from kworker/reclaimer */
1020 FS_GC_DATA_IO
, /* data IOs from forground gc */
1021 FS_GC_NODE_IO
, /* node IOs from forground gc */
1022 FS_CP_DATA_IO
, /* data IOs from checkpoint */
1023 FS_CP_NODE_IO
, /* node IOs from checkpoint */
1024 FS_CP_META_IO
, /* meta IOs from checkpoint */
1025 FS_DISCARD
, /* discard */
1029 struct f2fs_io_info
{
1030 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
1031 nid_t ino
; /* inode number */
1032 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
1033 enum temp_type temp
; /* contains HOT/WARM/COLD */
1034 int op
; /* contains REQ_OP_ */
1035 int op_flags
; /* req_flag_bits */
1036 block_t new_blkaddr
; /* new block address to be written */
1037 block_t old_blkaddr
; /* old block address before Cow */
1038 struct page
*page
; /* page to be written */
1039 struct page
*encrypted_page
; /* encrypted page */
1040 struct list_head list
; /* serialize IOs */
1041 bool submitted
; /* indicate IO submission */
1042 int need_lock
; /* indicate we need to lock cp_rwsem */
1043 bool in_list
; /* indicate fio is in io_list */
1044 bool is_meta
; /* indicate borrow meta inode mapping or not */
1045 bool retry
; /* need to reallocate block address */
1046 enum iostat_type io_type
; /* io type */
1047 struct writeback_control
*io_wbc
; /* writeback control */
1048 unsigned char version
; /* version of the node */
1051 #define is_read_io(rw) ((rw) == READ)
1052 struct f2fs_bio_info
{
1053 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
1054 struct bio
*bio
; /* bios to merge */
1055 sector_t last_block_in_bio
; /* last block number */
1056 struct f2fs_io_info fio
; /* store buffered io info. */
1057 struct rw_semaphore io_rwsem
; /* blocking op for bio */
1058 spinlock_t io_lock
; /* serialize DATA/NODE IOs */
1059 struct list_head io_list
; /* track fios */
1062 #define FDEV(i) (sbi->devs[i])
1063 #define RDEV(i) (raw_super->devs[i])
1064 struct f2fs_dev_info
{
1065 struct block_device
*bdev
;
1066 char path
[MAX_PATH_LEN
];
1067 unsigned int total_segments
;
1070 #ifdef CONFIG_BLK_DEV_ZONED
1071 unsigned int nr_blkz
; /* Total number of zones */
1072 u8
*blkz_type
; /* Array of zones type */
1077 DIR_INODE
, /* for dirty dir inode */
1078 FILE_INODE
, /* for dirty regular/symlink inode */
1079 DIRTY_META
, /* for all dirtied inode metadata */
1080 ATOMIC_FILE
, /* for all atomic files */
1084 /* for inner inode cache management */
1085 struct inode_management
{
1086 struct radix_tree_root ino_root
; /* ino entry array */
1087 spinlock_t ino_lock
; /* for ino entry lock */
1088 struct list_head ino_list
; /* inode list head */
1089 unsigned long ino_num
; /* number of entries */
1092 /* For s_flag in struct f2fs_sb_info */
1094 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
1095 SBI_IS_CLOSE
, /* specify unmounting */
1096 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
1097 SBI_POR_DOING
, /* recovery is doing or not */
1098 SBI_NEED_SB_WRITE
, /* need to recover superblock */
1099 SBI_NEED_CP
, /* need to checkpoint */
1100 SBI_IS_SHUTDOWN
, /* shutdown by ioctl */
1101 SBI_IS_RECOVERED
, /* recovered orphan/data */
1102 SBI_CP_DISABLED
, /* CP was disabled last mount */
1103 SBI_CP_DISABLED_QUICK
, /* CP was disabled quickly */
1104 SBI_QUOTA_NEED_FLUSH
, /* need to flush quota info in CP */
1105 SBI_QUOTA_SKIP_FLUSH
, /* skip flushing quota in current CP */
1106 SBI_QUOTA_NEED_REPAIR
, /* quota file may be corrupted */
1115 UMOUNT_DISCARD_TIMEOUT
,
1127 WHINT_MODE_OFF
, /* not pass down write hints */
1128 WHINT_MODE_USER
, /* try to pass down hints given by users */
1129 WHINT_MODE_FS
, /* pass down hints with F2FS policy */
1133 ALLOC_MODE_DEFAULT
, /* stay default */
1134 ALLOC_MODE_REUSE
, /* reuse segments as much as possible */
1138 FSYNC_MODE_POSIX
, /* fsync follows posix semantics */
1139 FSYNC_MODE_STRICT
, /* fsync behaves in line with ext4 */
1140 FSYNC_MODE_NOBARRIER
, /* fsync behaves nobarrier based on posix */
1143 #ifdef CONFIG_FS_ENCRYPTION
1144 #define DUMMY_ENCRYPTION_ENABLED(sbi) \
1145 (unlikely(F2FS_OPTION(sbi).test_dummy_encryption))
1147 #define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
1150 struct f2fs_sb_info
{
1151 struct super_block
*sb
; /* pointer to VFS super block */
1152 struct proc_dir_entry
*s_proc
; /* proc entry */
1153 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
1154 struct rw_semaphore sb_lock
; /* lock for raw super block */
1155 int valid_super_block
; /* valid super block no */
1156 unsigned long s_flag
; /* flags for sbi */
1157 struct mutex writepages
; /* mutex for writepages() */
1159 #ifdef CONFIG_BLK_DEV_ZONED
1160 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
1161 unsigned int log_blocks_per_blkz
; /* log2 F2FS blocks per zone */
1164 /* for node-related operations */
1165 struct f2fs_nm_info
*nm_info
; /* node manager */
1166 struct inode
*node_inode
; /* cache node blocks */
1168 /* for segment-related operations */
1169 struct f2fs_sm_info
*sm_info
; /* segment manager */
1171 /* for bio operations */
1172 struct f2fs_bio_info
*write_io
[NR_PAGE_TYPE
]; /* for write bios */
1173 /* keep migration IO order for LFS mode */
1174 struct rw_semaphore io_order_lock
;
1175 mempool_t
*write_io_dummy
; /* Dummy pages */
1177 /* for checkpoint */
1178 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
1179 int cur_cp_pack
; /* remain current cp pack */
1180 spinlock_t cp_lock
; /* for flag in ckpt */
1181 struct inode
*meta_inode
; /* cache meta blocks */
1182 struct mutex cp_mutex
; /* checkpoint procedure lock */
1183 struct rw_semaphore cp_rwsem
; /* blocking FS operations */
1184 struct rw_semaphore node_write
; /* locking node writes */
1185 struct rw_semaphore node_change
; /* locking node change */
1186 wait_queue_head_t cp_wait
;
1187 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
1188 long interval_time
[MAX_TIME
]; /* to store thresholds */
1190 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
1192 spinlock_t fsync_node_lock
; /* for node entry lock */
1193 struct list_head fsync_node_list
; /* node list head */
1194 unsigned int fsync_seg_id
; /* sequence id */
1195 unsigned int fsync_node_num
; /* number of node entries */
1197 /* for orphan inode, use 0'th array */
1198 unsigned int max_orphans
; /* max orphan inodes */
1200 /* for inode management */
1201 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
1202 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
1204 /* for extent tree cache */
1205 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
1206 struct mutex extent_tree_lock
; /* locking extent radix tree */
1207 struct list_head extent_list
; /* lru list for shrinker */
1208 spinlock_t extent_lock
; /* locking extent lru list */
1209 atomic_t total_ext_tree
; /* extent tree count */
1210 struct list_head zombie_list
; /* extent zombie tree list */
1211 atomic_t total_zombie_tree
; /* extent zombie tree count */
1212 atomic_t total_ext_node
; /* extent info count */
1214 /* basic filesystem units */
1215 unsigned int log_sectors_per_block
; /* log2 sectors per block */
1216 unsigned int log_blocksize
; /* log2 block size */
1217 unsigned int blocksize
; /* block size */
1218 unsigned int root_ino_num
; /* root inode number*/
1219 unsigned int node_ino_num
; /* node inode number*/
1220 unsigned int meta_ino_num
; /* meta inode number*/
1221 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
1222 unsigned int blocks_per_seg
; /* blocks per segment */
1223 unsigned int segs_per_sec
; /* segments per section */
1224 unsigned int secs_per_zone
; /* sections per zone */
1225 unsigned int total_sections
; /* total section count */
1226 unsigned int total_node_count
; /* total node block count */
1227 unsigned int total_valid_node_count
; /* valid node block count */
1228 loff_t max_file_blocks
; /* max block index of file */
1229 int dir_level
; /* directory level */
1230 int readdir_ra
; /* readahead inode in readdir */
1232 block_t user_block_count
; /* # of user blocks */
1233 block_t total_valid_block_count
; /* # of valid blocks */
1234 block_t discard_blks
; /* discard command candidats */
1235 block_t last_valid_block_count
; /* for recovery */
1236 block_t reserved_blocks
; /* configurable reserved blocks */
1237 block_t current_reserved_blocks
; /* current reserved blocks */
1239 /* Additional tracking for no checkpoint mode */
1240 block_t unusable_block_count
; /* # of blocks saved by last cp */
1242 unsigned int nquota_files
; /* # of quota sysfile */
1244 /* # of pages, see count_type */
1245 atomic_t nr_pages
[NR_COUNT_TYPE
];
1246 /* # of allocated blocks */
1247 struct percpu_counter alloc_valid_block_count
;
1249 /* writeback control */
1250 atomic_t wb_sync_req
[META
]; /* count # of WB_SYNC threads */
1252 /* valid inode count */
1253 struct percpu_counter total_valid_inode_count
;
1255 struct f2fs_mount_info mount_opt
; /* mount options */
1257 /* for cleaning operations */
1258 struct mutex gc_mutex
; /* mutex for GC */
1259 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
1260 unsigned int cur_victim_sec
; /* current victim section num */
1261 unsigned int gc_mode
; /* current GC state */
1262 unsigned int next_victim_seg
[2]; /* next segment in victim section */
1263 /* for skip statistic */
1264 unsigned long long skipped_atomic_files
[2]; /* FG_GC and BG_GC */
1265 unsigned long long skipped_gc_rwsem
; /* FG_GC only */
1267 /* threshold for gc trials on pinned files */
1268 u64 gc_pin_file_threshold
;
1270 /* maximum # of trials to find a victim segment for SSR and GC */
1271 unsigned int max_victim_search
;
1272 /* migration granularity of garbage collection, unit: segment */
1273 unsigned int migration_granularity
;
1276 * for stat information.
1277 * one is for the LFS mode, and the other is for the SSR mode.
1279 #ifdef CONFIG_F2FS_STAT_FS
1280 struct f2fs_stat_info
*stat_info
; /* FS status information */
1281 atomic_t meta_count
[META_MAX
]; /* # of meta blocks */
1282 unsigned int segment_count
[2]; /* # of allocated segments */
1283 unsigned int block_count
[2]; /* # of allocated blocks */
1284 atomic_t inplace_count
; /* # of inplace update */
1285 atomic64_t total_hit_ext
; /* # of lookup extent cache */
1286 atomic64_t read_hit_rbtree
; /* # of hit rbtree extent node */
1287 atomic64_t read_hit_largest
; /* # of hit largest extent node */
1288 atomic64_t read_hit_cached
; /* # of hit cached extent node */
1289 atomic_t inline_xattr
; /* # of inline_xattr inodes */
1290 atomic_t inline_inode
; /* # of inline_data inodes */
1291 atomic_t inline_dir
; /* # of inline_dentry inodes */
1292 atomic_t aw_cnt
; /* # of atomic writes */
1293 atomic_t vw_cnt
; /* # of volatile writes */
1294 atomic_t max_aw_cnt
; /* max # of atomic writes */
1295 atomic_t max_vw_cnt
; /* max # of volatile writes */
1296 int bg_gc
; /* background gc calls */
1297 unsigned int io_skip_bggc
; /* skip background gc for in-flight IO */
1298 unsigned int other_skip_bggc
; /* skip background gc for other reasons */
1299 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
1301 spinlock_t stat_lock
; /* lock for stat operations */
1303 /* For app/fs IO statistics */
1304 spinlock_t iostat_lock
;
1305 unsigned long long write_iostat
[NR_IO_TYPE
];
1308 /* For sysfs suppport */
1309 struct kobject s_kobj
;
1310 struct completion s_kobj_unregister
;
1312 /* For shrinker support */
1313 struct list_head s_list
;
1314 int s_ndevs
; /* number of devices */
1315 struct f2fs_dev_info
*devs
; /* for device list */
1316 unsigned int dirty_device
; /* for checkpoint data flush */
1317 spinlock_t dev_lock
; /* protect dirty_device */
1318 struct mutex umount_mutex
;
1319 unsigned int shrinker_run_no
;
1321 /* For write statistics */
1322 u64 sectors_written_start
;
1325 /* Reference to checksum algorithm driver via cryptoapi */
1326 struct crypto_shash
*s_chksum_driver
;
1328 /* Precomputed FS UUID checksum for seeding other checksums */
1329 __u32 s_chksum_seed
;
1332 struct f2fs_private_dio
{
1333 struct inode
*inode
;
1335 bio_end_io_t
*orig_end_io
;
1339 #ifdef CONFIG_F2FS_FAULT_INJECTION
1340 #define f2fs_show_injection_info(type) \
1341 printk_ratelimited("%sF2FS-fs : inject %s in %s of %pF\n", \
1342 KERN_INFO, f2fs_fault_name[type], \
1343 __func__, __builtin_return_address(0))
1344 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1346 struct f2fs_fault_info
*ffi
= &F2FS_OPTION(sbi
).fault_info
;
1348 if (!ffi
->inject_rate
)
1351 if (!IS_FAULT_SET(ffi
, type
))
1354 atomic_inc(&ffi
->inject_ops
);
1355 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
1356 atomic_set(&ffi
->inject_ops
, 0);
1362 #define f2fs_show_injection_info(type) do { } while (0)
1363 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
1369 /* For write statistics. Suppose sector size is 512 bytes,
1370 * and the return value is in kbytes. s is of struct f2fs_sb_info.
1372 #define BD_PART_WRITTEN(s) \
1373 (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
1374 (s)->sectors_written_start) >> 1)
1376 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
1378 unsigned long now
= jiffies
;
1380 sbi
->last_time
[type
] = now
;
1382 /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
1383 if (type
== REQ_TIME
) {
1384 sbi
->last_time
[DISCARD_TIME
] = now
;
1385 sbi
->last_time
[GC_TIME
] = now
;
1389 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
1391 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1393 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
1396 static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info
*sbi
,
1399 unsigned long interval
= sbi
->interval_time
[type
] * HZ
;
1400 unsigned int wait_ms
= 0;
1403 delta
= (sbi
->last_time
[type
] + interval
) - jiffies
;
1405 wait_ms
= jiffies_to_msecs(delta
);
1413 static inline u32
__f2fs_crc32(struct f2fs_sb_info
*sbi
, u32 crc
,
1414 const void *address
, unsigned int length
)
1417 struct shash_desc shash
;
1422 BUG_ON(crypto_shash_descsize(sbi
->s_chksum_driver
) != sizeof(desc
.ctx
));
1424 desc
.shash
.tfm
= sbi
->s_chksum_driver
;
1425 desc
.shash
.flags
= 0;
1426 *(u32
*)desc
.ctx
= crc
;
1428 err
= crypto_shash_update(&desc
.shash
, address
, length
);
1431 return *(u32
*)desc
.ctx
;
1434 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
1435 unsigned int length
)
1437 return __f2fs_crc32(sbi
, F2FS_SUPER_MAGIC
, address
, length
);
1440 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
1441 void *buf
, size_t buf_size
)
1443 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1446 static inline u32
f2fs_chksum(struct f2fs_sb_info
*sbi
, u32 crc
,
1447 const void *address
, unsigned int length
)
1449 return __f2fs_crc32(sbi
, crc
, address
, length
);
1452 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1454 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1457 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1459 return sb
->s_fs_info
;
1462 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1464 return F2FS_SB(inode
->i_sb
);
1467 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1469 return F2FS_I_SB(mapping
->host
);
1472 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1474 return F2FS_M_SB(page
->mapping
);
1477 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1479 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1482 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1484 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1487 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1489 return (struct f2fs_node
*)page_address(page
);
1492 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1494 return &((struct f2fs_node
*)page_address(page
))->i
;
1497 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1499 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1502 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1504 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1507 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1509 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1512 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1514 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1517 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1519 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1522 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1524 return sbi
->meta_inode
->i_mapping
;
1527 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
1529 return sbi
->node_inode
->i_mapping
;
1532 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
1534 return test_bit(type
, &sbi
->s_flag
);
1537 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1539 set_bit(type
, &sbi
->s_flag
);
1542 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1544 clear_bit(type
, &sbi
->s_flag
);
1547 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
1549 return le64_to_cpu(cp
->checkpoint_ver
);
1552 static inline unsigned long f2fs_qf_ino(struct super_block
*sb
, int type
)
1554 if (type
< F2FS_MAX_QUOTAS
)
1555 return le32_to_cpu(F2FS_SB(sb
)->raw_super
->qf_ino
[type
]);
1559 static inline __u64
cur_cp_crc(struct f2fs_checkpoint
*cp
)
1561 size_t crc_offset
= le32_to_cpu(cp
->checksum_offset
);
1562 return le32_to_cpu(*((__le32
*)((unsigned char *)cp
+ crc_offset
)));
1565 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1567 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1569 return ckpt_flags
& f
;
1572 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1574 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1577 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1579 unsigned int ckpt_flags
;
1581 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1583 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1586 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1588 unsigned long flags
;
1590 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1591 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1592 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1595 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1597 unsigned int ckpt_flags
;
1599 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1601 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1604 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1606 unsigned long flags
;
1608 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1609 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
1610 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1613 static inline void disable_nat_bits(struct f2fs_sb_info
*sbi
, bool lock
)
1615 unsigned long flags
;
1618 * In order to re-enable nat_bits we need to call fsck.f2fs by
1619 * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
1620 * so let's rely on regular fsck or unclean shutdown.
1624 spin_lock_irqsave(&sbi
->cp_lock
, flags
);
1625 __clear_ckpt_flags(F2FS_CKPT(sbi
), CP_NAT_BITS_FLAG
);
1626 kvfree(NM_I(sbi
)->nat_bits
);
1627 NM_I(sbi
)->nat_bits
= NULL
;
1629 spin_unlock_irqrestore(&sbi
->cp_lock
, flags
);
1632 static inline bool enabled_nat_bits(struct f2fs_sb_info
*sbi
,
1633 struct cp_control
*cpc
)
1635 bool set
= is_set_ckpt_flags(sbi
, CP_NAT_BITS_FLAG
);
1637 return (cpc
) ? (cpc
->reason
& CP_UMOUNT
) && set
: set
;
1640 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
1642 down_read(&sbi
->cp_rwsem
);
1645 static inline int f2fs_trylock_op(struct f2fs_sb_info
*sbi
)
1647 return down_read_trylock(&sbi
->cp_rwsem
);
1650 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
1652 up_read(&sbi
->cp_rwsem
);
1655 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
1657 down_write(&sbi
->cp_rwsem
);
1660 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
1662 up_write(&sbi
->cp_rwsem
);
1665 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
1667 int reason
= CP_SYNC
;
1669 if (test_opt(sbi
, FASTBOOT
))
1670 reason
= CP_FASTBOOT
;
1671 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
1676 static inline bool __remain_node_summaries(int reason
)
1678 return (reason
& (CP_UMOUNT
| CP_FASTBOOT
));
1681 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
1683 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
1684 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
1688 * Check whether the inode has blocks or not
1690 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
1692 block_t xattr_block
= F2FS_I(inode
)->i_xattr_nid
? 1 : 0;
1694 return (inode
->i_blocks
>> F2FS_LOG_SECTORS_PER_BLOCK
) > xattr_block
;
1697 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
1699 return ofs
== XATTR_NODE_OFFSET
;
1702 static inline bool __allow_reserved_blocks(struct f2fs_sb_info
*sbi
,
1703 struct inode
*inode
, bool cap
)
1707 if (!test_opt(sbi
, RESERVE_ROOT
))
1709 if (IS_NOQUOTA(inode
))
1711 if (uid_eq(F2FS_OPTION(sbi
).s_resuid
, current_fsuid()))
1713 if (!gid_eq(F2FS_OPTION(sbi
).s_resgid
, GLOBAL_ROOT_GID
) &&
1714 in_group_p(F2FS_OPTION(sbi
).s_resgid
))
1716 if (cap
&& capable(CAP_SYS_RESOURCE
))
1721 static inline void f2fs_i_blocks_write(struct inode
*, block_t
, bool, bool);
1722 static inline int inc_valid_block_count(struct f2fs_sb_info
*sbi
,
1723 struct inode
*inode
, blkcnt_t
*count
)
1725 blkcnt_t diff
= 0, release
= 0;
1726 block_t avail_user_block_count
;
1729 ret
= dquot_reserve_block(inode
, *count
);
1733 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1734 f2fs_show_injection_info(FAULT_BLOCK
);
1740 * let's increase this in prior to actual block count change in order
1741 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1743 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
1745 spin_lock(&sbi
->stat_lock
);
1746 sbi
->total_valid_block_count
+= (block_t
)(*count
);
1747 avail_user_block_count
= sbi
->user_block_count
-
1748 sbi
->current_reserved_blocks
;
1750 if (!__allow_reserved_blocks(sbi
, inode
, true))
1751 avail_user_block_count
-= F2FS_OPTION(sbi
).root_reserved_blocks
;
1752 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
1753 avail_user_block_count
-= sbi
->unusable_block_count
;
1754 if (unlikely(sbi
->total_valid_block_count
> avail_user_block_count
)) {
1755 diff
= sbi
->total_valid_block_count
- avail_user_block_count
;
1760 sbi
->total_valid_block_count
-= diff
;
1762 spin_unlock(&sbi
->stat_lock
);
1766 spin_unlock(&sbi
->stat_lock
);
1768 if (unlikely(release
)) {
1769 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
1770 dquot_release_reservation_block(inode
, release
);
1772 f2fs_i_blocks_write(inode
, *count
, true, true);
1776 percpu_counter_sub(&sbi
->alloc_valid_block_count
, release
);
1777 dquot_release_reservation_block(inode
, release
);
1781 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
1782 struct inode
*inode
,
1785 blkcnt_t sectors
= count
<< F2FS_LOG_SECTORS_PER_BLOCK
;
1787 spin_lock(&sbi
->stat_lock
);
1788 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
1789 f2fs_bug_on(sbi
, inode
->i_blocks
< sectors
);
1790 sbi
->total_valid_block_count
-= (block_t
)count
;
1791 if (sbi
->reserved_blocks
&&
1792 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
1793 sbi
->current_reserved_blocks
= min(sbi
->reserved_blocks
,
1794 sbi
->current_reserved_blocks
+ count
);
1795 spin_unlock(&sbi
->stat_lock
);
1796 f2fs_i_blocks_write(inode
, count
, false, true);
1799 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1801 atomic_inc(&sbi
->nr_pages
[count_type
]);
1803 if (count_type
== F2FS_DIRTY_DENTS
||
1804 count_type
== F2FS_DIRTY_NODES
||
1805 count_type
== F2FS_DIRTY_META
||
1806 count_type
== F2FS_DIRTY_QDATA
||
1807 count_type
== F2FS_DIRTY_IMETA
)
1808 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
1811 static inline void inode_inc_dirty_pages(struct inode
*inode
)
1813 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
1814 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1815 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1816 if (IS_NOQUOTA(inode
))
1817 inc_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
1820 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1822 atomic_dec(&sbi
->nr_pages
[count_type
]);
1825 static inline void inode_dec_dirty_pages(struct inode
*inode
)
1827 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
1828 !S_ISLNK(inode
->i_mode
))
1831 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
1832 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1833 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1834 if (IS_NOQUOTA(inode
))
1835 dec_page_count(F2FS_I_SB(inode
), F2FS_DIRTY_QDATA
);
1838 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
1840 return atomic_read(&sbi
->nr_pages
[count_type
]);
1843 static inline int get_dirty_pages(struct inode
*inode
)
1845 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
1848 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
1850 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
1851 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
1852 sbi
->log_blocks_per_seg
;
1854 return segs
/ sbi
->segs_per_sec
;
1857 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
1859 return sbi
->total_valid_block_count
;
1862 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
1864 return sbi
->discard_blks
;
1867 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
1869 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1871 /* return NAT or SIT bitmap */
1872 if (flag
== NAT_BITMAP
)
1873 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
1874 else if (flag
== SIT_BITMAP
)
1875 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
1880 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
1882 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
1885 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
1887 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1890 if (is_set_ckpt_flags(sbi
, CP_LARGE_NAT_BITMAP_FLAG
)) {
1891 offset
= (flag
== SIT_BITMAP
) ?
1892 le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
) : 0;
1893 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1896 if (__cp_payload(sbi
) > 0) {
1897 if (flag
== NAT_BITMAP
)
1898 return &ckpt
->sit_nat_version_bitmap
;
1900 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
1902 offset
= (flag
== NAT_BITMAP
) ?
1903 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
1904 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1908 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
1910 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1912 if (sbi
->cur_cp_pack
== 2)
1913 start_addr
+= sbi
->blocks_per_seg
;
1917 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
1919 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1921 if (sbi
->cur_cp_pack
== 1)
1922 start_addr
+= sbi
->blocks_per_seg
;
1926 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
1928 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
1931 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
1933 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
1936 static inline int inc_valid_node_count(struct f2fs_sb_info
*sbi
,
1937 struct inode
*inode
, bool is_inode
)
1939 block_t valid_block_count
;
1940 unsigned int valid_node_count
;
1945 err
= dquot_alloc_inode(inode
);
1950 err
= dquot_reserve_block(inode
, 1);
1955 if (time_to_inject(sbi
, FAULT_BLOCK
)) {
1956 f2fs_show_injection_info(FAULT_BLOCK
);
1960 spin_lock(&sbi
->stat_lock
);
1962 valid_block_count
= sbi
->total_valid_block_count
+
1963 sbi
->current_reserved_blocks
+ 1;
1965 if (!__allow_reserved_blocks(sbi
, inode
, false))
1966 valid_block_count
+= F2FS_OPTION(sbi
).root_reserved_blocks
;
1967 if (unlikely(is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
1968 valid_block_count
+= sbi
->unusable_block_count
;
1970 if (unlikely(valid_block_count
> sbi
->user_block_count
)) {
1971 spin_unlock(&sbi
->stat_lock
);
1975 valid_node_count
= sbi
->total_valid_node_count
+ 1;
1976 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
1977 spin_unlock(&sbi
->stat_lock
);
1981 sbi
->total_valid_node_count
++;
1982 sbi
->total_valid_block_count
++;
1983 spin_unlock(&sbi
->stat_lock
);
1987 f2fs_mark_inode_dirty_sync(inode
, true);
1989 f2fs_i_blocks_write(inode
, 1, true, true);
1992 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
1998 dquot_free_inode(inode
);
2000 dquot_release_reservation_block(inode
, 1);
2005 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
2006 struct inode
*inode
, bool is_inode
)
2008 spin_lock(&sbi
->stat_lock
);
2010 f2fs_bug_on(sbi
, !sbi
->total_valid_block_count
);
2011 f2fs_bug_on(sbi
, !sbi
->total_valid_node_count
);
2012 f2fs_bug_on(sbi
, !is_inode
&& !inode
->i_blocks
);
2014 sbi
->total_valid_node_count
--;
2015 sbi
->total_valid_block_count
--;
2016 if (sbi
->reserved_blocks
&&
2017 sbi
->current_reserved_blocks
< sbi
->reserved_blocks
)
2018 sbi
->current_reserved_blocks
++;
2020 spin_unlock(&sbi
->stat_lock
);
2023 dquot_free_inode(inode
);
2025 f2fs_i_blocks_write(inode
, 1, false, true);
2028 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
2030 return sbi
->total_valid_node_count
;
2033 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
2035 percpu_counter_inc(&sbi
->total_valid_inode_count
);
2038 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
2040 percpu_counter_dec(&sbi
->total_valid_inode_count
);
2043 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
2045 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
2048 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
2049 pgoff_t index
, bool for_write
)
2053 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION
)) {
2055 page
= find_get_page_flags(mapping
, index
,
2056 FGP_LOCK
| FGP_ACCESSED
);
2058 page
= find_lock_page(mapping
, index
);
2062 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
)) {
2063 f2fs_show_injection_info(FAULT_PAGE_ALLOC
);
2069 return grab_cache_page(mapping
, index
);
2070 return grab_cache_page_write_begin(mapping
, index
, AOP_FLAG_NOFS
);
2073 static inline struct page
*f2fs_pagecache_get_page(
2074 struct address_space
*mapping
, pgoff_t index
,
2075 int fgp_flags
, gfp_t gfp_mask
)
2077 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_GET
)) {
2078 f2fs_show_injection_info(FAULT_PAGE_GET
);
2082 return pagecache_get_page(mapping
, index
, fgp_flags
, gfp_mask
);
2085 static inline void f2fs_copy_page(struct page
*src
, struct page
*dst
)
2087 char *src_kaddr
= kmap(src
);
2088 char *dst_kaddr
= kmap(dst
);
2090 memcpy(dst_kaddr
, src_kaddr
, PAGE_SIZE
);
2095 static inline void f2fs_put_page(struct page
*page
, int unlock
)
2101 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
2107 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
2110 f2fs_put_page(dn
->node_page
, 1);
2111 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
2112 f2fs_put_page(dn
->inode_page
, 0);
2113 dn
->node_page
= NULL
;
2114 dn
->inode_page
= NULL
;
2117 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
2120 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
2123 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
2128 entry
= kmem_cache_alloc(cachep
, flags
);
2130 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
2134 static inline struct bio
*f2fs_bio_alloc(struct f2fs_sb_info
*sbi
,
2135 int npages
, bool no_fail
)
2140 /* No failure on bio allocation */
2141 bio
= bio_alloc(GFP_NOIO
, npages
);
2143 bio
= bio_alloc(GFP_NOIO
| __GFP_NOFAIL
, npages
);
2146 if (time_to_inject(sbi
, FAULT_ALLOC_BIO
)) {
2147 f2fs_show_injection_info(FAULT_ALLOC_BIO
);
2151 return bio_alloc(GFP_KERNEL
, npages
);
2154 static inline bool is_idle(struct f2fs_sb_info
*sbi
, int type
)
2156 if (get_pages(sbi
, F2FS_RD_DATA
) || get_pages(sbi
, F2FS_RD_NODE
) ||
2157 get_pages(sbi
, F2FS_RD_META
) || get_pages(sbi
, F2FS_WB_DATA
) ||
2158 get_pages(sbi
, F2FS_WB_CP_DATA
) ||
2159 get_pages(sbi
, F2FS_DIO_READ
) ||
2160 get_pages(sbi
, F2FS_DIO_WRITE
))
2163 if (SM_I(sbi
) && SM_I(sbi
)->dcc_info
&&
2164 atomic_read(&SM_I(sbi
)->dcc_info
->queued_discard
))
2167 if (SM_I(sbi
) && SM_I(sbi
)->fcc_info
&&
2168 atomic_read(&SM_I(sbi
)->fcc_info
->queued_flush
))
2171 return f2fs_time_over(sbi
, type
);
2174 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
2175 unsigned long index
, void *item
)
2177 while (radix_tree_insert(root
, index
, item
))
2181 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2183 static inline bool IS_INODE(struct page
*page
)
2185 struct f2fs_node
*p
= F2FS_NODE(page
);
2187 return RAW_IS_INODE(p
);
2190 static inline int offset_in_addr(struct f2fs_inode
*i
)
2192 return (i
->i_inline
& F2FS_EXTRA_ATTR
) ?
2193 (le16_to_cpu(i
->i_extra_isize
) / sizeof(__le32
)) : 0;
2196 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
2198 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
2201 static inline int f2fs_has_extra_attr(struct inode
*inode
);
2202 static inline block_t
datablock_addr(struct inode
*inode
,
2203 struct page
*node_page
, unsigned int offset
)
2205 struct f2fs_node
*raw_node
;
2208 bool is_inode
= IS_INODE(node_page
);
2210 raw_node
= F2FS_NODE(node_page
);
2212 /* from GC path only */
2215 base
= offset_in_addr(&raw_node
->i
);
2216 else if (f2fs_has_extra_attr(inode
))
2217 base
= get_extra_isize(inode
);
2220 addr_array
= blkaddr_in_node(raw_node
);
2221 return le32_to_cpu(addr_array
[base
+ offset
]);
2224 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
2229 mask
= 1 << (7 - (nr
& 0x07));
2230 return mask
& *addr
;
2233 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
2238 mask
= 1 << (7 - (nr
& 0x07));
2242 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
2247 mask
= 1 << (7 - (nr
& 0x07));
2251 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
2257 mask
= 1 << (7 - (nr
& 0x07));
2263 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
2269 mask
= 1 << (7 - (nr
& 0x07));
2275 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
2280 mask
= 1 << (7 - (nr
& 0x07));
2287 #define F2FS_SECRM_FL 0x00000001 /* Secure deletion */
2288 #define F2FS_UNRM_FL 0x00000002 /* Undelete */
2289 #define F2FS_COMPR_FL 0x00000004 /* Compress file */
2290 #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
2291 #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
2292 #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
2293 #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
2294 #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
2295 /* Reserved for compression usage... */
2296 #define F2FS_DIRTY_FL 0x00000100
2297 #define F2FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
2298 #define F2FS_NOCOMPR_FL 0x00000400 /* Don't compress */
2299 #define F2FS_ENCRYPT_FL 0x00000800 /* encrypted file */
2300 /* End compression flags --- maybe not all used */
2301 #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
2302 #define F2FS_IMAGIC_FL 0x00002000 /* AFS directory */
2303 #define F2FS_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */
2304 #define F2FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */
2305 #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
2306 #define F2FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
2307 #define F2FS_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
2308 #define F2FS_EXTENTS_FL 0x00080000 /* Inode uses extents */
2309 #define F2FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */
2310 #define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
2311 #define F2FS_NOCOW_FL 0x00800000 /* Do not cow file */
2312 #define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
2313 #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
2314 #define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
2316 #define F2FS_FL_USER_VISIBLE 0x30CBDFFF /* User visible flags */
2317 #define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable flags */
2319 /* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */
2320 #define F2FS_FL_XFLAG_VISIBLE (F2FS_SYNC_FL | \
2321 F2FS_IMMUTABLE_FL | \
2325 F2FS_PROJINHERIT_FL)
2327 /* Flags that should be inherited by new inodes from their parent. */
2328 #define F2FS_FL_INHERITED (F2FS_SECRM_FL | F2FS_UNRM_FL | F2FS_COMPR_FL |\
2329 F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL |\
2330 F2FS_NOCOMPR_FL | F2FS_JOURNAL_DATA_FL |\
2331 F2FS_NOTAIL_FL | F2FS_DIRSYNC_FL |\
2332 F2FS_PROJINHERIT_FL)
2334 /* Flags that are appropriate for regular files (all but dir-specific ones). */
2335 #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_TOPDIR_FL))
2337 /* Flags that are appropriate for non-directories/regular files. */
2338 #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2340 static inline __u32
f2fs_mask_flags(umode_t mode
, __u32 flags
)
2344 else if (S_ISREG(mode
))
2345 return flags
& F2FS_REG_FLMASK
;
2347 return flags
& F2FS_OTHER_FLMASK
;
2350 /* used for f2fs_inode_info->flags */
2352 FI_NEW_INODE
, /* indicate newly allocated inode */
2353 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
2354 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
2355 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
2356 FI_INC_LINK
, /* need to increment i_nlink */
2357 FI_ACL_MODE
, /* indicate acl mode */
2358 FI_NO_ALLOC
, /* should not allocate any blocks */
2359 FI_FREE_NID
, /* free allocated nide */
2360 FI_NO_EXTENT
, /* not to use the extent cache */
2361 FI_INLINE_XATTR
, /* used for inline xattr */
2362 FI_INLINE_DATA
, /* used for inline data*/
2363 FI_INLINE_DENTRY
, /* used for inline dentry */
2364 FI_APPEND_WRITE
, /* inode has appended data */
2365 FI_UPDATE_WRITE
, /* inode has in-place-update data */
2366 FI_NEED_IPU
, /* used for ipu per file */
2367 FI_ATOMIC_FILE
, /* indicate atomic file */
2368 FI_ATOMIC_COMMIT
, /* indicate the state of atomical committing */
2369 FI_VOLATILE_FILE
, /* indicate volatile file */
2370 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
2371 FI_DROP_CACHE
, /* drop dirty page cache */
2372 FI_DATA_EXIST
, /* indicate data exists */
2373 FI_INLINE_DOTS
, /* indicate inline dot dentries */
2374 FI_DO_DEFRAG
, /* indicate defragment is running */
2375 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
2376 FI_NO_PREALLOC
, /* indicate skipped preallocated blocks */
2377 FI_HOT_DATA
, /* indicate file is hot */
2378 FI_EXTRA_ATTR
, /* indicate file has extra attribute */
2379 FI_PROJ_INHERIT
, /* indicate file inherits projectid */
2380 FI_PIN_FILE
, /* indicate file should not be gced */
2381 FI_ATOMIC_REVOKE_REQUEST
, /* request to drop atomic data */
2384 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
2388 case FI_INLINE_XATTR
:
2389 case FI_INLINE_DATA
:
2390 case FI_INLINE_DENTRY
:
2396 case FI_INLINE_DOTS
:
2398 f2fs_mark_inode_dirty_sync(inode
, true);
2402 static inline void set_inode_flag(struct inode
*inode
, int flag
)
2404 if (!test_bit(flag
, &F2FS_I(inode
)->flags
))
2405 set_bit(flag
, &F2FS_I(inode
)->flags
);
2406 __mark_inode_dirty_flag(inode
, flag
, true);
2409 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
2411 return test_bit(flag
, &F2FS_I(inode
)->flags
);
2414 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
2416 if (test_bit(flag
, &F2FS_I(inode
)->flags
))
2417 clear_bit(flag
, &F2FS_I(inode
)->flags
);
2418 __mark_inode_dirty_flag(inode
, flag
, false);
2421 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
2423 F2FS_I(inode
)->i_acl_mode
= mode
;
2424 set_inode_flag(inode
, FI_ACL_MODE
);
2425 f2fs_mark_inode_dirty_sync(inode
, false);
2428 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
2434 f2fs_mark_inode_dirty_sync(inode
, true);
2437 static inline void f2fs_i_blocks_write(struct inode
*inode
,
2438 block_t diff
, bool add
, bool claim
)
2440 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2441 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2443 /* add = 1, claim = 1 should be dquot_reserve_block in pair */
2446 dquot_claim_block(inode
, diff
);
2448 dquot_alloc_block_nofail(inode
, diff
);
2450 dquot_free_block(inode
, diff
);
2453 f2fs_mark_inode_dirty_sync(inode
, true);
2454 if (clean
|| recover
)
2455 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2458 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
2460 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
2461 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
2463 if (i_size_read(inode
) == i_size
)
2466 i_size_write(inode
, i_size
);
2467 f2fs_mark_inode_dirty_sync(inode
, true);
2468 if (clean
|| recover
)
2469 set_inode_flag(inode
, FI_AUTO_RECOVER
);
2472 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
2474 F2FS_I(inode
)->i_current_depth
= depth
;
2475 f2fs_mark_inode_dirty_sync(inode
, true);
2478 static inline void f2fs_i_gc_failures_write(struct inode
*inode
,
2481 F2FS_I(inode
)->i_gc_failures
[GC_FAILURE_PIN
] = count
;
2482 f2fs_mark_inode_dirty_sync(inode
, true);
2485 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
2487 F2FS_I(inode
)->i_xattr_nid
= xnid
;
2488 f2fs_mark_inode_dirty_sync(inode
, true);
2491 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
2493 F2FS_I(inode
)->i_pino
= pino
;
2494 f2fs_mark_inode_dirty_sync(inode
, true);
2497 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
2499 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
2501 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
2502 set_bit(FI_INLINE_XATTR
, &fi
->flags
);
2503 if (ri
->i_inline
& F2FS_INLINE_DATA
)
2504 set_bit(FI_INLINE_DATA
, &fi
->flags
);
2505 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
2506 set_bit(FI_INLINE_DENTRY
, &fi
->flags
);
2507 if (ri
->i_inline
& F2FS_DATA_EXIST
)
2508 set_bit(FI_DATA_EXIST
, &fi
->flags
);
2509 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
2510 set_bit(FI_INLINE_DOTS
, &fi
->flags
);
2511 if (ri
->i_inline
& F2FS_EXTRA_ATTR
)
2512 set_bit(FI_EXTRA_ATTR
, &fi
->flags
);
2513 if (ri
->i_inline
& F2FS_PIN_FILE
)
2514 set_bit(FI_PIN_FILE
, &fi
->flags
);
2517 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
2521 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
2522 ri
->i_inline
|= F2FS_INLINE_XATTR
;
2523 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
2524 ri
->i_inline
|= F2FS_INLINE_DATA
;
2525 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
2526 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
2527 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
2528 ri
->i_inline
|= F2FS_DATA_EXIST
;
2529 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
2530 ri
->i_inline
|= F2FS_INLINE_DOTS
;
2531 if (is_inode_flag_set(inode
, FI_EXTRA_ATTR
))
2532 ri
->i_inline
|= F2FS_EXTRA_ATTR
;
2533 if (is_inode_flag_set(inode
, FI_PIN_FILE
))
2534 ri
->i_inline
|= F2FS_PIN_FILE
;
2537 static inline int f2fs_has_extra_attr(struct inode
*inode
)
2539 return is_inode_flag_set(inode
, FI_EXTRA_ATTR
);
2542 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
2544 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
2547 static inline unsigned int addrs_per_inode(struct inode
*inode
)
2549 return CUR_ADDRS_PER_INODE(inode
) - get_inline_xattr_addrs(inode
);
2552 static inline void *inline_xattr_addr(struct inode
*inode
, struct page
*page
)
2554 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2556 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
2557 get_inline_xattr_addrs(inode
)]);
2560 static inline int inline_xattr_size(struct inode
*inode
)
2562 return get_inline_xattr_addrs(inode
) * sizeof(__le32
);
2565 static inline int f2fs_has_inline_data(struct inode
*inode
)
2567 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
2570 static inline int f2fs_exist_data(struct inode
*inode
)
2572 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
2575 static inline int f2fs_has_inline_dots(struct inode
*inode
)
2577 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
2580 static inline bool f2fs_is_pinned_file(struct inode
*inode
)
2582 return is_inode_flag_set(inode
, FI_PIN_FILE
);
2585 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
2587 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
2590 static inline bool f2fs_is_commit_atomic_write(struct inode
*inode
)
2592 return is_inode_flag_set(inode
, FI_ATOMIC_COMMIT
);
2595 static inline bool f2fs_is_volatile_file(struct inode
*inode
)
2597 return is_inode_flag_set(inode
, FI_VOLATILE_FILE
);
2600 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
2602 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
2605 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
2607 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
2610 static inline void *inline_data_addr(struct inode
*inode
, struct page
*page
)
2612 struct f2fs_inode
*ri
= F2FS_INODE(page
);
2613 int extra_size
= get_extra_isize(inode
);
2615 return (void *)&(ri
->i_addr
[extra_size
+ DEF_INLINE_RESERVED_SIZE
]);
2618 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
2620 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
2623 static inline int is_file(struct inode
*inode
, int type
)
2625 return F2FS_I(inode
)->i_advise
& type
;
2628 static inline void set_file(struct inode
*inode
, int type
)
2630 F2FS_I(inode
)->i_advise
|= type
;
2631 f2fs_mark_inode_dirty_sync(inode
, true);
2634 static inline void clear_file(struct inode
*inode
, int type
)
2636 F2FS_I(inode
)->i_advise
&= ~type
;
2637 f2fs_mark_inode_dirty_sync(inode
, true);
2640 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
2645 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2647 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
2648 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
2649 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
2652 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
2653 file_keep_isize(inode
) ||
2654 i_size_read(inode
) & ~PAGE_MASK
)
2657 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
, &inode
->i_atime
))
2659 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 1, &inode
->i_ctime
))
2661 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 2, &inode
->i_mtime
))
2663 if (!timespec64_equal(F2FS_I(inode
)->i_disk_time
+ 3,
2664 &F2FS_I(inode
)->i_crtime
))
2667 down_read(&F2FS_I(inode
)->i_sem
);
2668 ret
= F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
2669 up_read(&F2FS_I(inode
)->i_sem
);
2674 static inline bool f2fs_readonly(struct super_block
*sb
)
2676 return sb_rdonly(sb
);
2679 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
2681 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
2684 static inline bool is_dot_dotdot(const struct qstr
*str
)
2686 if (str
->len
== 1 && str
->name
[0] == '.')
2689 if (str
->len
== 2 && str
->name
[0] == '.' && str
->name
[1] == '.')
2695 static inline bool f2fs_may_extent_tree(struct inode
*inode
)
2697 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
2699 if (!test_opt(sbi
, EXTENT_CACHE
) ||
2700 is_inode_flag_set(inode
, FI_NO_EXTENT
))
2704 * for recovered files during mount do not create extents
2705 * if shrinker is not registered.
2707 if (list_empty(&sbi
->s_list
))
2710 return S_ISREG(inode
->i_mode
);
2713 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
2714 size_t size
, gfp_t flags
)
2718 if (time_to_inject(sbi
, FAULT_KMALLOC
)) {
2719 f2fs_show_injection_info(FAULT_KMALLOC
);
2723 ret
= kmalloc(size
, flags
);
2727 return kvmalloc(size
, flags
);
2730 static inline void *f2fs_kzalloc(struct f2fs_sb_info
*sbi
,
2731 size_t size
, gfp_t flags
)
2733 return f2fs_kmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2736 static inline void *f2fs_kvmalloc(struct f2fs_sb_info
*sbi
,
2737 size_t size
, gfp_t flags
)
2739 if (time_to_inject(sbi
, FAULT_KVMALLOC
)) {
2740 f2fs_show_injection_info(FAULT_KVMALLOC
);
2744 return kvmalloc(size
, flags
);
2747 static inline void *f2fs_kvzalloc(struct f2fs_sb_info
*sbi
,
2748 size_t size
, gfp_t flags
)
2750 return f2fs_kvmalloc(sbi
, size
, flags
| __GFP_ZERO
);
2753 static inline int get_extra_isize(struct inode
*inode
)
2755 return F2FS_I(inode
)->i_extra_isize
/ sizeof(__le32
);
2758 static inline int get_inline_xattr_addrs(struct inode
*inode
)
2760 return F2FS_I(inode
)->i_inline_xattr_size
;
2763 #define f2fs_get_inode_mode(i) \
2764 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
2765 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
2767 #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
2768 (offsetof(struct f2fs_inode, i_extra_end) - \
2769 offsetof(struct f2fs_inode, i_extra_isize)) \
2771 #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
2772 #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
2773 ((offsetof(typeof(*(f2fs_inode)), field) + \
2774 sizeof((f2fs_inode)->field)) \
2775 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
2777 static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
2781 spin_lock(&sbi
->iostat_lock
);
2782 for (i
= 0; i
< NR_IO_TYPE
; i
++)
2783 sbi
->write_iostat
[i
] = 0;
2784 spin_unlock(&sbi
->iostat_lock
);
2787 static inline void f2fs_update_iostat(struct f2fs_sb_info
*sbi
,
2788 enum iostat_type type
, unsigned long long io_bytes
)
2790 if (!sbi
->iostat_enable
)
2792 spin_lock(&sbi
->iostat_lock
);
2793 sbi
->write_iostat
[type
] += io_bytes
;
2795 if (type
== APP_WRITE_IO
|| type
== APP_DIRECT_IO
)
2796 sbi
->write_iostat
[APP_BUFFERED_IO
] =
2797 sbi
->write_iostat
[APP_WRITE_IO
] -
2798 sbi
->write_iostat
[APP_DIRECT_IO
];
2799 spin_unlock(&sbi
->iostat_lock
);
2802 #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
2804 #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META && \
2805 (!is_read_io((fio)->op) || (fio)->is_meta))
2807 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
2808 block_t blkaddr
, int type
);
2809 void f2fs_msg(struct super_block
*sb
, const char *level
, const char *fmt
, ...);
2810 static inline void verify_blkaddr(struct f2fs_sb_info
*sbi
,
2811 block_t blkaddr
, int type
)
2813 if (!f2fs_is_valid_blkaddr(sbi
, blkaddr
, type
)) {
2814 f2fs_msg(sbi
->sb
, KERN_ERR
,
2815 "invalid blkaddr: %u, type: %d, run fsck to fix.",
2817 f2fs_bug_on(sbi
, 1);
2821 static inline bool __is_valid_data_blkaddr(block_t blkaddr
)
2823 if (blkaddr
== NEW_ADDR
|| blkaddr
== NULL_ADDR
)
2828 static inline bool is_valid_data_blkaddr(struct f2fs_sb_info
*sbi
,
2831 if (!__is_valid_data_blkaddr(blkaddr
))
2833 verify_blkaddr(sbi
, blkaddr
, DATA_GENERIC
);
2837 static inline void f2fs_set_page_private(struct page
*page
,
2840 if (PagePrivate(page
))
2844 SetPagePrivate(page
);
2845 set_page_private(page
, data
);
2848 static inline void f2fs_clear_page_private(struct page
*page
)
2850 if (!PagePrivate(page
))
2853 set_page_private(page
, 0);
2854 ClearPagePrivate(page
);
2855 f2fs_put_page(page
, 0);
2861 int f2fs_sync_file(struct file
*file
, loff_t start
, loff_t end
, int datasync
);
2862 void f2fs_truncate_data_blocks(struct dnode_of_data
*dn
);
2863 int f2fs_truncate_blocks(struct inode
*inode
, u64 from
, bool lock
);
2864 int f2fs_truncate(struct inode
*inode
);
2865 int f2fs_getattr(const struct path
*path
, struct kstat
*stat
,
2866 u32 request_mask
, unsigned int flags
);
2867 int f2fs_setattr(struct dentry
*dentry
, struct iattr
*attr
);
2868 int f2fs_truncate_hole(struct inode
*inode
, pgoff_t pg_start
, pgoff_t pg_end
);
2869 void f2fs_truncate_data_blocks_range(struct dnode_of_data
*dn
, int count
);
2870 int f2fs_precache_extents(struct inode
*inode
);
2871 long f2fs_ioctl(struct file
*filp
, unsigned int cmd
, unsigned long arg
);
2872 long f2fs_compat_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
);
2873 int f2fs_transfer_project_quota(struct inode
*inode
, kprojid_t kprojid
);
2874 int f2fs_pin_file_control(struct inode
*inode
, bool inc
);
2879 void f2fs_set_inode_flags(struct inode
*inode
);
2880 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
);
2881 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
);
2882 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
);
2883 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
);
2884 int f2fs_try_to_free_nats(struct f2fs_sb_info
*sbi
, int nr_shrink
);
2885 void f2fs_update_inode(struct inode
*inode
, struct page
*node_page
);
2886 void f2fs_update_inode_page(struct inode
*inode
);
2887 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
);
2888 void f2fs_evict_inode(struct inode
*inode
);
2889 void f2fs_handle_failed_inode(struct inode
*inode
);
2894 int f2fs_update_extension_list(struct f2fs_sb_info
*sbi
, const char *name
,
2895 bool hot
, bool set
);
2896 struct dentry
*f2fs_get_parent(struct dentry
*child
);
2901 unsigned char f2fs_get_de_type(struct f2fs_dir_entry
*de
);
2902 struct f2fs_dir_entry
*f2fs_find_target_dentry(struct fscrypt_name
*fname
,
2903 f2fs_hash_t namehash
, int *max_slots
,
2904 struct f2fs_dentry_ptr
*d
);
2905 int f2fs_fill_dentries(struct dir_context
*ctx
, struct f2fs_dentry_ptr
*d
,
2906 unsigned int start_pos
, struct fscrypt_str
*fstr
);
2907 void f2fs_do_make_empty_dir(struct inode
*inode
, struct inode
*parent
,
2908 struct f2fs_dentry_ptr
*d
);
2909 struct page
*f2fs_init_inode_metadata(struct inode
*inode
, struct inode
*dir
,
2910 const struct qstr
*new_name
,
2911 const struct qstr
*orig_name
, struct page
*dpage
);
2912 void f2fs_update_parent_metadata(struct inode
*dir
, struct inode
*inode
,
2913 unsigned int current_depth
);
2914 int f2fs_room_for_filename(const void *bitmap
, int slots
, int max_slots
);
2915 void f2fs_drop_nlink(struct inode
*dir
, struct inode
*inode
);
2916 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*dir
,
2917 struct fscrypt_name
*fname
, struct page
**res_page
);
2918 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*dir
,
2919 const struct qstr
*child
, struct page
**res_page
);
2920 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*dir
, struct page
**p
);
2921 ino_t
f2fs_inode_by_name(struct inode
*dir
, const struct qstr
*qstr
,
2922 struct page
**page
);
2923 void f2fs_set_link(struct inode
*dir
, struct f2fs_dir_entry
*de
,
2924 struct page
*page
, struct inode
*inode
);
2925 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*d
,
2926 const struct qstr
*name
, f2fs_hash_t name_hash
,
2927 unsigned int bit_pos
);
2928 int f2fs_add_regular_entry(struct inode
*dir
, const struct qstr
*new_name
,
2929 const struct qstr
*orig_name
,
2930 struct inode
*inode
, nid_t ino
, umode_t mode
);
2931 int f2fs_add_dentry(struct inode
*dir
, struct fscrypt_name
*fname
,
2932 struct inode
*inode
, nid_t ino
, umode_t mode
);
2933 int f2fs_do_add_link(struct inode
*dir
, const struct qstr
*name
,
2934 struct inode
*inode
, nid_t ino
, umode_t mode
);
2935 void f2fs_delete_entry(struct f2fs_dir_entry
*dentry
, struct page
*page
,
2936 struct inode
*dir
, struct inode
*inode
);
2937 int f2fs_do_tmpfile(struct inode
*inode
, struct inode
*dir
);
2938 bool f2fs_empty_dir(struct inode
*dir
);
2940 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
2942 return f2fs_do_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
2943 inode
, inode
->i_ino
, inode
->i_mode
);
2949 int f2fs_inode_dirtied(struct inode
*inode
, bool sync
);
2950 void f2fs_inode_synced(struct inode
*inode
);
2951 int f2fs_enable_quota_files(struct f2fs_sb_info
*sbi
, bool rdonly
);
2952 int f2fs_quota_sync(struct super_block
*sb
, int type
);
2953 void f2fs_quota_off_umount(struct super_block
*sb
);
2954 int f2fs_commit_super(struct f2fs_sb_info
*sbi
, bool recover
);
2955 int f2fs_sync_fs(struct super_block
*sb
, int sync
);
2956 extern __printf(3, 4)
2957 void f2fs_msg(struct super_block
*sb
, const char *level
, const char *fmt
, ...);
2958 int f2fs_sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
2963 f2fs_hash_t
f2fs_dentry_hash(const struct qstr
*name_info
,
2964 struct fscrypt_name
*fname
);
2969 struct dnode_of_data
;
2972 int f2fs_check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
);
2973 bool f2fs_available_free_memory(struct f2fs_sb_info
*sbi
, int type
);
2974 bool f2fs_in_warm_node_list(struct f2fs_sb_info
*sbi
, struct page
*page
);
2975 void f2fs_init_fsync_node_info(struct f2fs_sb_info
*sbi
);
2976 void f2fs_del_fsync_node_entry(struct f2fs_sb_info
*sbi
, struct page
*page
);
2977 void f2fs_reset_fsync_node_info(struct f2fs_sb_info
*sbi
);
2978 int f2fs_need_dentry_mark(struct f2fs_sb_info
*sbi
, nid_t nid
);
2979 bool f2fs_is_checkpointed_node(struct f2fs_sb_info
*sbi
, nid_t nid
);
2980 bool f2fs_need_inode_block_update(struct f2fs_sb_info
*sbi
, nid_t ino
);
2981 int f2fs_get_node_info(struct f2fs_sb_info
*sbi
, nid_t nid
,
2982 struct node_info
*ni
);
2983 pgoff_t
f2fs_get_next_page_offset(struct dnode_of_data
*dn
, pgoff_t pgofs
);
2984 int f2fs_get_dnode_of_data(struct dnode_of_data
*dn
, pgoff_t index
, int mode
);
2985 int f2fs_truncate_inode_blocks(struct inode
*inode
, pgoff_t from
);
2986 int f2fs_truncate_xattr_node(struct inode
*inode
);
2987 int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info
*sbi
,
2988 unsigned int seq_id
);
2989 int f2fs_remove_inode_page(struct inode
*inode
);
2990 struct page
*f2fs_new_inode_page(struct inode
*inode
);
2991 struct page
*f2fs_new_node_page(struct dnode_of_data
*dn
, unsigned int ofs
);
2992 void f2fs_ra_node_page(struct f2fs_sb_info
*sbi
, nid_t nid
);
2993 struct page
*f2fs_get_node_page(struct f2fs_sb_info
*sbi
, pgoff_t nid
);
2994 struct page
*f2fs_get_node_page_ra(struct page
*parent
, int start
);
2995 int f2fs_move_node_page(struct page
*node_page
, int gc_type
);
2996 int f2fs_fsync_node_pages(struct f2fs_sb_info
*sbi
, struct inode
*inode
,
2997 struct writeback_control
*wbc
, bool atomic
,
2998 unsigned int *seq_id
);
2999 int f2fs_sync_node_pages(struct f2fs_sb_info
*sbi
,
3000 struct writeback_control
*wbc
,
3001 bool do_balance
, enum iostat_type io_type
);
3002 int f2fs_build_free_nids(struct f2fs_sb_info
*sbi
, bool sync
, bool mount
);
3003 bool f2fs_alloc_nid(struct f2fs_sb_info
*sbi
, nid_t
*nid
);
3004 void f2fs_alloc_nid_done(struct f2fs_sb_info
*sbi
, nid_t nid
);
3005 void f2fs_alloc_nid_failed(struct f2fs_sb_info
*sbi
, nid_t nid
);
3006 int f2fs_try_to_free_nids(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3007 void f2fs_recover_inline_xattr(struct inode
*inode
, struct page
*page
);
3008 int f2fs_recover_xattr_data(struct inode
*inode
, struct page
*page
);
3009 int f2fs_recover_inode_page(struct f2fs_sb_info
*sbi
, struct page
*page
);
3010 int f2fs_restore_node_summary(struct f2fs_sb_info
*sbi
,
3011 unsigned int segno
, struct f2fs_summary_block
*sum
);
3012 int f2fs_flush_nat_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3013 int f2fs_build_node_manager(struct f2fs_sb_info
*sbi
);
3014 void f2fs_destroy_node_manager(struct f2fs_sb_info
*sbi
);
3015 int __init
f2fs_create_node_manager_caches(void);
3016 void f2fs_destroy_node_manager_caches(void);
3021 bool f2fs_need_SSR(struct f2fs_sb_info
*sbi
);
3022 void f2fs_register_inmem_page(struct inode
*inode
, struct page
*page
);
3023 void f2fs_drop_inmem_pages_all(struct f2fs_sb_info
*sbi
, bool gc_failure
);
3024 void f2fs_drop_inmem_pages(struct inode
*inode
);
3025 void f2fs_drop_inmem_page(struct inode
*inode
, struct page
*page
);
3026 int f2fs_commit_inmem_pages(struct inode
*inode
);
3027 void f2fs_balance_fs(struct f2fs_sb_info
*sbi
, bool need
);
3028 void f2fs_balance_fs_bg(struct f2fs_sb_info
*sbi
);
3029 int f2fs_issue_flush(struct f2fs_sb_info
*sbi
, nid_t ino
);
3030 int f2fs_create_flush_cmd_control(struct f2fs_sb_info
*sbi
);
3031 int f2fs_flush_device_cache(struct f2fs_sb_info
*sbi
);
3032 void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info
*sbi
, bool free
);
3033 void f2fs_invalidate_blocks(struct f2fs_sb_info
*sbi
, block_t addr
);
3034 bool f2fs_is_checkpointed_data(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3035 void f2fs_drop_discard_cmd(struct f2fs_sb_info
*sbi
);
3036 void f2fs_stop_discard_thread(struct f2fs_sb_info
*sbi
);
3037 bool f2fs_issue_discard_timeout(struct f2fs_sb_info
*sbi
);
3038 void f2fs_clear_prefree_segments(struct f2fs_sb_info
*sbi
,
3039 struct cp_control
*cpc
);
3040 void f2fs_dirty_to_prefree(struct f2fs_sb_info
*sbi
);
3041 int f2fs_disable_cp_again(struct f2fs_sb_info
*sbi
);
3042 void f2fs_release_discard_addrs(struct f2fs_sb_info
*sbi
);
3043 int f2fs_npages_for_summary_flush(struct f2fs_sb_info
*sbi
, bool for_ra
);
3044 void f2fs_allocate_new_segments(struct f2fs_sb_info
*sbi
);
3045 int f2fs_trim_fs(struct f2fs_sb_info
*sbi
, struct fstrim_range
*range
);
3046 bool f2fs_exist_trim_candidates(struct f2fs_sb_info
*sbi
,
3047 struct cp_control
*cpc
);
3048 struct page
*f2fs_get_sum_page(struct f2fs_sb_info
*sbi
, unsigned int segno
);
3049 void f2fs_update_meta_page(struct f2fs_sb_info
*sbi
, void *src
,
3051 void f2fs_do_write_meta_page(struct f2fs_sb_info
*sbi
, struct page
*page
,
3052 enum iostat_type io_type
);
3053 void f2fs_do_write_node_page(unsigned int nid
, struct f2fs_io_info
*fio
);
3054 void f2fs_outplace_write_data(struct dnode_of_data
*dn
,
3055 struct f2fs_io_info
*fio
);
3056 int f2fs_inplace_write_data(struct f2fs_io_info
*fio
);
3057 void f2fs_do_replace_block(struct f2fs_sb_info
*sbi
, struct f2fs_summary
*sum
,
3058 block_t old_blkaddr
, block_t new_blkaddr
,
3059 bool recover_curseg
, bool recover_newaddr
);
3060 void f2fs_replace_block(struct f2fs_sb_info
*sbi
, struct dnode_of_data
*dn
,
3061 block_t old_addr
, block_t new_addr
,
3062 unsigned char version
, bool recover_curseg
,
3063 bool recover_newaddr
);
3064 void f2fs_allocate_data_block(struct f2fs_sb_info
*sbi
, struct page
*page
,
3065 block_t old_blkaddr
, block_t
*new_blkaddr
,
3066 struct f2fs_summary
*sum
, int type
,
3067 struct f2fs_io_info
*fio
, bool add_list
);
3068 void f2fs_wait_on_page_writeback(struct page
*page
,
3069 enum page_type type
, bool ordered
, bool locked
);
3070 void f2fs_wait_on_block_writeback(struct inode
*inode
, block_t blkaddr
);
3071 void f2fs_wait_on_block_writeback_range(struct inode
*inode
, block_t blkaddr
,
3073 void f2fs_write_data_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3074 void f2fs_write_node_summaries(struct f2fs_sb_info
*sbi
, block_t start_blk
);
3075 int f2fs_lookup_journal_in_cursum(struct f2fs_journal
*journal
, int type
,
3076 unsigned int val
, int alloc
);
3077 void f2fs_flush_sit_entries(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3078 int f2fs_build_segment_manager(struct f2fs_sb_info
*sbi
);
3079 void f2fs_destroy_segment_manager(struct f2fs_sb_info
*sbi
);
3080 int __init
f2fs_create_segment_manager_caches(void);
3081 void f2fs_destroy_segment_manager_caches(void);
3082 int f2fs_rw_hint_to_seg_type(enum rw_hint hint
);
3083 enum rw_hint
f2fs_io_type_to_rw_hint(struct f2fs_sb_info
*sbi
,
3084 enum page_type type
, enum temp_type temp
);
3089 void f2fs_stop_checkpoint(struct f2fs_sb_info
*sbi
, bool end_io
);
3090 struct page
*f2fs_grab_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3091 struct page
*f2fs_get_meta_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3092 struct page
*f2fs_get_meta_page_nofail(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3093 struct page
*f2fs_get_tmp_page(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3094 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info
*sbi
,
3095 block_t blkaddr
, int type
);
3096 int f2fs_ra_meta_pages(struct f2fs_sb_info
*sbi
, block_t start
, int nrpages
,
3097 int type
, bool sync
);
3098 void f2fs_ra_meta_pages_cond(struct f2fs_sb_info
*sbi
, pgoff_t index
);
3099 long f2fs_sync_meta_pages(struct f2fs_sb_info
*sbi
, enum page_type type
,
3100 long nr_to_write
, enum iostat_type io_type
);
3101 void f2fs_add_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3102 void f2fs_remove_ino_entry(struct f2fs_sb_info
*sbi
, nid_t ino
, int type
);
3103 void f2fs_release_ino_entry(struct f2fs_sb_info
*sbi
, bool all
);
3104 bool f2fs_exist_written_data(struct f2fs_sb_info
*sbi
, nid_t ino
, int mode
);
3105 void f2fs_set_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3106 unsigned int devidx
, int type
);
3107 bool f2fs_is_dirty_device(struct f2fs_sb_info
*sbi
, nid_t ino
,
3108 unsigned int devidx
, int type
);
3109 int f2fs_sync_inode_meta(struct f2fs_sb_info
*sbi
);
3110 int f2fs_acquire_orphan_inode(struct f2fs_sb_info
*sbi
);
3111 void f2fs_release_orphan_inode(struct f2fs_sb_info
*sbi
);
3112 void f2fs_add_orphan_inode(struct inode
*inode
);
3113 void f2fs_remove_orphan_inode(struct f2fs_sb_info
*sbi
, nid_t ino
);
3114 int f2fs_recover_orphan_inodes(struct f2fs_sb_info
*sbi
);
3115 int f2fs_get_valid_checkpoint(struct f2fs_sb_info
*sbi
);
3116 void f2fs_update_dirty_page(struct inode
*inode
, struct page
*page
);
3117 void f2fs_remove_dirty_inode(struct inode
*inode
);
3118 int f2fs_sync_dirty_inodes(struct f2fs_sb_info
*sbi
, enum inode_type type
);
3119 void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info
*sbi
);
3120 int f2fs_write_checkpoint(struct f2fs_sb_info
*sbi
, struct cp_control
*cpc
);
3121 void f2fs_init_ino_entry_info(struct f2fs_sb_info
*sbi
);
3122 int __init
f2fs_create_checkpoint_caches(void);
3123 void f2fs_destroy_checkpoint_caches(void);
3128 int f2fs_init_post_read_processing(void);
3129 void f2fs_destroy_post_read_processing(void);
3130 void f2fs_submit_merged_write(struct f2fs_sb_info
*sbi
, enum page_type type
);
3131 void f2fs_submit_merged_write_cond(struct f2fs_sb_info
*sbi
,
3132 struct inode
*inode
, struct page
*page
,
3133 nid_t ino
, enum page_type type
);
3134 void f2fs_flush_merged_writes(struct f2fs_sb_info
*sbi
);
3135 int f2fs_submit_page_bio(struct f2fs_io_info
*fio
);
3136 void f2fs_submit_page_write(struct f2fs_io_info
*fio
);
3137 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*sbi
,
3138 block_t blk_addr
, struct bio
*bio
);
3139 int f2fs_target_device_index(struct f2fs_sb_info
*sbi
, block_t blkaddr
);
3140 void f2fs_set_data_blkaddr(struct dnode_of_data
*dn
);
3141 void f2fs_update_data_blkaddr(struct dnode_of_data
*dn
, block_t blkaddr
);
3142 int f2fs_reserve_new_blocks(struct dnode_of_data
*dn
, blkcnt_t count
);
3143 int f2fs_reserve_new_block(struct dnode_of_data
*dn
);
3144 int f2fs_get_block(struct dnode_of_data
*dn
, pgoff_t index
);
3145 int f2fs_preallocate_blocks(struct kiocb
*iocb
, struct iov_iter
*from
);
3146 int f2fs_reserve_block(struct dnode_of_data
*dn
, pgoff_t index
);
3147 struct page
*f2fs_get_read_data_page(struct inode
*inode
, pgoff_t index
,
3148 int op_flags
, bool for_write
);
3149 struct page
*f2fs_find_data_page(struct inode
*inode
, pgoff_t index
);
3150 struct page
*f2fs_get_lock_data_page(struct inode
*inode
, pgoff_t index
,
3152 struct page
*f2fs_get_new_data_page(struct inode
*inode
,
3153 struct page
*ipage
, pgoff_t index
, bool new_i_size
);
3154 int f2fs_do_write_data_page(struct f2fs_io_info
*fio
);
3155 void __do_map_lock(struct f2fs_sb_info
*sbi
, int flag
, bool lock
);
3156 int f2fs_map_blocks(struct inode
*inode
, struct f2fs_map_blocks
*map
,
3157 int create
, int flag
);
3158 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*fieinfo
,
3159 u64 start
, u64 len
);
3160 bool f2fs_should_update_inplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3161 bool f2fs_should_update_outplace(struct inode
*inode
, struct f2fs_io_info
*fio
);
3162 void f2fs_invalidate_page(struct page
*page
, unsigned int offset
,
3163 unsigned int length
);
3164 int f2fs_release_page(struct page
*page
, gfp_t wait
);
3165 #ifdef CONFIG_MIGRATION
3166 int f2fs_migrate_page(struct address_space
*mapping
, struct page
*newpage
,
3167 struct page
*page
, enum migrate_mode mode
);
3169 bool f2fs_overwrite_io(struct inode
*inode
, loff_t pos
, size_t len
);
3170 void f2fs_clear_page_cache_dirty_tag(struct page
*page
);
3175 int f2fs_start_gc_thread(struct f2fs_sb_info
*sbi
);
3176 void f2fs_stop_gc_thread(struct f2fs_sb_info
*sbi
);
3177 block_t
f2fs_start_bidx_of_node(unsigned int node_ofs
, struct inode
*inode
);
3178 int f2fs_gc(struct f2fs_sb_info
*sbi
, bool sync
, bool background
,
3179 unsigned int segno
);
3180 void f2fs_build_gc_manager(struct f2fs_sb_info
*sbi
);
3185 int f2fs_recover_fsync_data(struct f2fs_sb_info
*sbi
, bool check_only
);
3186 bool f2fs_space_for_roll_forward(struct f2fs_sb_info
*sbi
);
3191 #ifdef CONFIG_F2FS_STAT_FS
3192 struct f2fs_stat_info
{
3193 struct list_head stat_list
;
3194 struct f2fs_sb_info
*sbi
;
3195 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
3196 int main_area_segs
, main_area_sections
, main_area_zones
;
3197 unsigned long long hit_largest
, hit_cached
, hit_rbtree
;
3198 unsigned long long hit_total
, total_ext
;
3199 int ext_tree
, zombie_tree
, ext_node
;
3200 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_imeta
;
3201 int ndirty_data
, ndirty_qdata
;
3203 unsigned int ndirty_dirs
, ndirty_files
, nquota_files
, ndirty_all
;
3204 int nats
, dirty_nats
, sits
, dirty_sits
;
3205 int free_nids
, avail_nids
, alloc_nids
;
3206 int total_count
, utilization
;
3207 int bg_gc
, nr_wb_cp_data
, nr_wb_data
;
3208 int nr_rd_data
, nr_rd_node
, nr_rd_meta
;
3209 int nr_dio_read
, nr_dio_write
;
3210 unsigned int io_skip_bggc
, other_skip_bggc
;
3211 int nr_flushing
, nr_flushed
, flush_list_empty
;
3212 int nr_discarding
, nr_discarded
;
3214 unsigned int undiscard_blks
;
3215 int inline_xattr
, inline_inode
, inline_dir
, append
, update
, orphans
;
3216 int aw_cnt
, max_aw_cnt
, vw_cnt
, max_vw_cnt
;
3217 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
3218 unsigned int bimodal
, avg_vblocks
;
3219 int util_free
, util_valid
, util_invalid
;
3220 int rsvd_segs
, overp_segs
;
3221 int dirty_count
, node_pages
, meta_pages
;
3222 int prefree_count
, call_count
, cp_count
, bg_cp_count
;
3223 int tot_segs
, node_segs
, data_segs
, free_segs
, free_secs
;
3224 int bg_node_segs
, bg_data_segs
;
3225 int tot_blks
, data_blks
, node_blks
;
3226 int bg_data_blks
, bg_node_blks
;
3227 unsigned long long skipped_atomic_files
[2];
3228 int curseg
[NR_CURSEG_TYPE
];
3229 int cursec
[NR_CURSEG_TYPE
];
3230 int curzone
[NR_CURSEG_TYPE
];
3232 unsigned int meta_count
[META_MAX
];
3233 unsigned int segment_count
[2];
3234 unsigned int block_count
[2];
3235 unsigned int inplace_count
;
3236 unsigned long long base_mem
, cache_mem
, page_mem
;
3239 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
3241 return (struct f2fs_stat_info
*)sbi
->stat_info
;
3244 #define stat_inc_cp_count(si) ((si)->cp_count++)
3245 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3246 #define stat_inc_call_count(si) ((si)->call_count++)
3247 #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++)
3248 #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3249 #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3250 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3251 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3252 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3253 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3254 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3255 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3256 #define stat_inc_inline_xattr(inode) \
3258 if (f2fs_has_inline_xattr(inode)) \
3259 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3261 #define stat_dec_inline_xattr(inode) \
3263 if (f2fs_has_inline_xattr(inode)) \
3264 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3266 #define stat_inc_inline_inode(inode) \
3268 if (f2fs_has_inline_data(inode)) \
3269 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3271 #define stat_dec_inline_inode(inode) \
3273 if (f2fs_has_inline_data(inode)) \
3274 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3276 #define stat_inc_inline_dir(inode) \
3278 if (f2fs_has_inline_dentry(inode)) \
3279 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3281 #define stat_dec_inline_dir(inode) \
3283 if (f2fs_has_inline_dentry(inode)) \
3284 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3286 #define stat_inc_meta_count(sbi, blkaddr) \
3288 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3289 atomic_inc(&(sbi)->meta_count[META_CP]); \
3290 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3291 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3292 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3293 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3294 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3295 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3297 #define stat_inc_seg_type(sbi, curseg) \
3298 ((sbi)->segment_count[(curseg)->alloc_type]++)
3299 #define stat_inc_block_count(sbi, curseg) \
3300 ((sbi)->block_count[(curseg)->alloc_type]++)
3301 #define stat_inc_inplace_blocks(sbi) \
3302 (atomic_inc(&(sbi)->inplace_count))
3303 #define stat_inc_atomic_write(inode) \
3304 (atomic_inc(&F2FS_I_SB(inode)->aw_cnt))
3305 #define stat_dec_atomic_write(inode) \
3306 (atomic_dec(&F2FS_I_SB(inode)->aw_cnt))
3307 #define stat_update_max_atomic_write(inode) \
3309 int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \
3310 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3312 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3314 #define stat_inc_volatile_write(inode) \
3315 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3316 #define stat_dec_volatile_write(inode) \
3317 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3318 #define stat_update_max_volatile_write(inode) \
3320 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3321 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3323 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3325 #define stat_inc_seg_count(sbi, type, gc_type) \
3327 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3329 if ((type) == SUM_TYPE_DATA) { \
3331 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3334 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3338 #define stat_inc_tot_blk_count(si, blks) \
3339 ((si)->tot_blks += (blks))
3341 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
3343 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3344 stat_inc_tot_blk_count(si, blks); \
3345 si->data_blks += (blks); \
3346 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3349 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
3351 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3352 stat_inc_tot_blk_count(si, blks); \
3353 si->node_blks += (blks); \
3354 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3357 int f2fs_build_stats(struct f2fs_sb_info
*sbi
);
3358 void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
);
3359 void __init
f2fs_create_root_stats(void);
3360 void f2fs_destroy_root_stats(void);
3362 #define stat_inc_cp_count(si) do { } while (0)
3363 #define stat_inc_bg_cp_count(si) do { } while (0)
3364 #define stat_inc_call_count(si) do { } while (0)
3365 #define stat_inc_bggc_count(si) do { } while (0)
3366 #define stat_io_skip_bggc_count(sbi) do { } while (0)
3367 #define stat_other_skip_bggc_count(sbi) do { } while (0)
3368 #define stat_inc_dirty_inode(sbi, type) do { } while (0)
3369 #define stat_dec_dirty_inode(sbi, type) do { } while (0)
3370 #define stat_inc_total_hit(sb) do { } while (0)
3371 #define stat_inc_rbtree_node_hit(sb) do { } while (0)
3372 #define stat_inc_largest_node_hit(sbi) do { } while (0)
3373 #define stat_inc_cached_node_hit(sbi) do { } while (0)
3374 #define stat_inc_inline_xattr(inode) do { } while (0)
3375 #define stat_dec_inline_xattr(inode) do { } while (0)
3376 #define stat_inc_inline_inode(inode) do { } while (0)
3377 #define stat_dec_inline_inode(inode) do { } while (0)
3378 #define stat_inc_inline_dir(inode) do { } while (0)
3379 #define stat_dec_inline_dir(inode) do { } while (0)
3380 #define stat_inc_atomic_write(inode) do { } while (0)
3381 #define stat_dec_atomic_write(inode) do { } while (0)
3382 #define stat_update_max_atomic_write(inode) do { } while (0)
3383 #define stat_inc_volatile_write(inode) do { } while (0)
3384 #define stat_dec_volatile_write(inode) do { } while (0)
3385 #define stat_update_max_volatile_write(inode) do { } while (0)
3386 #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3387 #define stat_inc_seg_type(sbi, curseg) do { } while (0)
3388 #define stat_inc_block_count(sbi, curseg) do { } while (0)
3389 #define stat_inc_inplace_blocks(sbi) do { } while (0)
3390 #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3391 #define stat_inc_tot_blk_count(si, blks) do { } while (0)
3392 #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3393 #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3395 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
3396 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
3397 static inline void __init
f2fs_create_root_stats(void) { }
3398 static inline void f2fs_destroy_root_stats(void) { }
3401 extern const struct file_operations f2fs_dir_operations
;
3402 extern const struct file_operations f2fs_file_operations
;
3403 extern const struct inode_operations f2fs_file_inode_operations
;
3404 extern const struct address_space_operations f2fs_dblock_aops
;
3405 extern const struct address_space_operations f2fs_node_aops
;
3406 extern const struct address_space_operations f2fs_meta_aops
;
3407 extern const struct inode_operations f2fs_dir_inode_operations
;
3408 extern const struct inode_operations f2fs_symlink_inode_operations
;
3409 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
3410 extern const struct inode_operations f2fs_special_inode_operations
;
3411 extern struct kmem_cache
*f2fs_inode_entry_slab
;
3416 bool f2fs_may_inline_data(struct inode
*inode
);
3417 bool f2fs_may_inline_dentry(struct inode
*inode
);
3418 void f2fs_do_read_inline_data(struct page
*page
, struct page
*ipage
);
3419 void f2fs_truncate_inline_inode(struct inode
*inode
,
3420 struct page
*ipage
, u64 from
);
3421 int f2fs_read_inline_data(struct inode
*inode
, struct page
*page
);
3422 int f2fs_convert_inline_page(struct dnode_of_data
*dn
, struct page
*page
);
3423 int f2fs_convert_inline_inode(struct inode
*inode
);
3424 int f2fs_write_inline_data(struct inode
*inode
, struct page
*page
);
3425 bool f2fs_recover_inline_data(struct inode
*inode
, struct page
*npage
);
3426 struct f2fs_dir_entry
*f2fs_find_in_inline_dir(struct inode
*dir
,
3427 struct fscrypt_name
*fname
, struct page
**res_page
);
3428 int f2fs_make_empty_inline_dir(struct inode
*inode
, struct inode
*parent
,
3429 struct page
*ipage
);
3430 int f2fs_add_inline_entry(struct inode
*dir
, const struct qstr
*new_name
,
3431 const struct qstr
*orig_name
,
3432 struct inode
*inode
, nid_t ino
, umode_t mode
);
3433 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*dentry
,
3434 struct page
*page
, struct inode
*dir
,
3435 struct inode
*inode
);
3436 bool f2fs_empty_inline_dir(struct inode
*dir
);
3437 int f2fs_read_inline_dir(struct file
*file
, struct dir_context
*ctx
,
3438 struct fscrypt_str
*fstr
);
3439 int f2fs_inline_data_fiemap(struct inode
*inode
,
3440 struct fiemap_extent_info
*fieinfo
,
3441 __u64 start
, __u64 len
);
3446 unsigned long f2fs_shrink_count(struct shrinker
*shrink
,
3447 struct shrink_control
*sc
);
3448 unsigned long f2fs_shrink_scan(struct shrinker
*shrink
,
3449 struct shrink_control
*sc
);
3450 void f2fs_join_shrinker(struct f2fs_sb_info
*sbi
);
3451 void f2fs_leave_shrinker(struct f2fs_sb_info
*sbi
);
3456 struct rb_entry
*f2fs_lookup_rb_tree(struct rb_root_cached
*root
,
3457 struct rb_entry
*cached_re
, unsigned int ofs
);
3458 struct rb_node
**f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info
*sbi
,
3459 struct rb_root_cached
*root
,
3460 struct rb_node
**parent
,
3461 unsigned int ofs
, bool *leftmost
);
3462 struct rb_entry
*f2fs_lookup_rb_tree_ret(struct rb_root_cached
*root
,
3463 struct rb_entry
*cached_re
, unsigned int ofs
,
3464 struct rb_entry
**prev_entry
, struct rb_entry
**next_entry
,
3465 struct rb_node
***insert_p
, struct rb_node
**insert_parent
,
3466 bool force
, bool *leftmost
);
3467 bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info
*sbi
,
3468 struct rb_root_cached
*root
);
3469 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info
*sbi
, int nr_shrink
);
3470 bool f2fs_init_extent_tree(struct inode
*inode
, struct f2fs_extent
*i_ext
);
3471 void f2fs_drop_extent_tree(struct inode
*inode
);
3472 unsigned int f2fs_destroy_extent_node(struct inode
*inode
);
3473 void f2fs_destroy_extent_tree(struct inode
*inode
);
3474 bool f2fs_lookup_extent_cache(struct inode
*inode
, pgoff_t pgofs
,
3475 struct extent_info
*ei
);
3476 void f2fs_update_extent_cache(struct dnode_of_data
*dn
);
3477 void f2fs_update_extent_cache_range(struct dnode_of_data
*dn
,
3478 pgoff_t fofs
, block_t blkaddr
, unsigned int len
);
3479 void f2fs_init_extent_cache_info(struct f2fs_sb_info
*sbi
);
3480 int __init
f2fs_create_extent_cache(void);
3481 void f2fs_destroy_extent_cache(void);
3486 int __init
f2fs_init_sysfs(void);
3487 void f2fs_exit_sysfs(void);
3488 int f2fs_register_sysfs(struct f2fs_sb_info
*sbi
);
3489 void f2fs_unregister_sysfs(struct f2fs_sb_info
*sbi
);
3494 static inline bool f2fs_encrypted_file(struct inode
*inode
)
3496 return IS_ENCRYPTED(inode
) && S_ISREG(inode
->i_mode
);
3499 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
3501 #ifdef CONFIG_FS_ENCRYPTION
3502 file_set_encrypt(inode
);
3503 f2fs_set_inode_flags(inode
);
3508 * Returns true if the reads of the inode's data need to undergo some
3509 * postprocessing step, like decryption or authenticity verification.
3511 static inline bool f2fs_post_read_required(struct inode
*inode
)
3513 return f2fs_encrypted_file(inode
);
3516 #define F2FS_FEATURE_FUNCS(name, flagname) \
3517 static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
3519 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
3522 F2FS_FEATURE_FUNCS(encrypt
, ENCRYPT
);
3523 F2FS_FEATURE_FUNCS(blkzoned
, BLKZONED
);
3524 F2FS_FEATURE_FUNCS(extra_attr
, EXTRA_ATTR
);
3525 F2FS_FEATURE_FUNCS(project_quota
, PRJQUOTA
);
3526 F2FS_FEATURE_FUNCS(inode_chksum
, INODE_CHKSUM
);
3527 F2FS_FEATURE_FUNCS(flexible_inline_xattr
, FLEXIBLE_INLINE_XATTR
);
3528 F2FS_FEATURE_FUNCS(quota_ino
, QUOTA_INO
);
3529 F2FS_FEATURE_FUNCS(inode_crtime
, INODE_CRTIME
);
3530 F2FS_FEATURE_FUNCS(lost_found
, LOST_FOUND
);
3531 F2FS_FEATURE_FUNCS(sb_chksum
, SB_CHKSUM
);
3533 #ifdef CONFIG_BLK_DEV_ZONED
3534 static inline int get_blkz_type(struct f2fs_sb_info
*sbi
,
3535 struct block_device
*bdev
, block_t blkaddr
)
3537 unsigned int zno
= blkaddr
>> sbi
->log_blocks_per_blkz
;
3540 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
3541 if (FDEV(i
).bdev
== bdev
)
3542 return FDEV(i
).blkz_type
[zno
];
3547 static inline bool f2fs_hw_should_discard(struct f2fs_sb_info
*sbi
)
3549 return f2fs_sb_has_blkzoned(sbi
);
3552 static inline bool f2fs_hw_support_discard(struct f2fs_sb_info
*sbi
)
3554 return blk_queue_discard(bdev_get_queue(sbi
->sb
->s_bdev
));
3557 static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info
*sbi
)
3559 return (test_opt(sbi
, DISCARD
) && f2fs_hw_support_discard(sbi
)) ||
3560 f2fs_hw_should_discard(sbi
);
3563 static inline void set_opt_mode(struct f2fs_sb_info
*sbi
, unsigned int mt
)
3565 clear_opt(sbi
, ADAPTIVE
);
3566 clear_opt(sbi
, LFS
);
3569 case F2FS_MOUNT_ADAPTIVE
:
3570 set_opt(sbi
, ADAPTIVE
);
3572 case F2FS_MOUNT_LFS
:
3578 static inline bool f2fs_may_encrypt(struct inode
*inode
)
3580 #ifdef CONFIG_FS_ENCRYPTION
3581 umode_t mode
= inode
->i_mode
;
3583 return (S_ISREG(mode
) || S_ISDIR(mode
) || S_ISLNK(mode
));
3589 static inline int block_unaligned_IO(struct inode
*inode
,
3590 struct kiocb
*iocb
, struct iov_iter
*iter
)
3592 unsigned int i_blkbits
= READ_ONCE(inode
->i_blkbits
);
3593 unsigned int blocksize_mask
= (1 << i_blkbits
) - 1;
3594 loff_t offset
= iocb
->ki_pos
;
3595 unsigned long align
= offset
| iov_iter_alignment(iter
);
3597 return align
& blocksize_mask
;
3600 static inline int allow_outplace_dio(struct inode
*inode
,
3601 struct kiocb
*iocb
, struct iov_iter
*iter
)
3603 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3604 int rw
= iov_iter_rw(iter
);
3606 return (test_opt(sbi
, LFS
) && (rw
== WRITE
) &&
3607 !block_unaligned_IO(inode
, iocb
, iter
));
3610 static inline bool f2fs_force_buffered_io(struct inode
*inode
,
3611 struct kiocb
*iocb
, struct iov_iter
*iter
)
3613 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
3614 int rw
= iov_iter_rw(iter
);
3616 if (f2fs_post_read_required(inode
))
3621 * for blkzoned device, fallback direct IO to buffered IO, so
3622 * all IOs can be serialized by log-structured write.
3624 if (f2fs_sb_has_blkzoned(sbi
))
3626 if (test_opt(sbi
, LFS
) && (rw
== WRITE
) &&
3627 block_unaligned_IO(inode
, iocb
, iter
))
3629 if (is_sbi_flag_set(F2FS_I_SB(inode
), SBI_CP_DISABLED
))
3635 #ifdef CONFIG_F2FS_FAULT_INJECTION
3636 extern void f2fs_build_fault_attr(struct f2fs_sb_info
*sbi
, unsigned int rate
,
3639 #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
3642 static inline bool is_journalled_quota(struct f2fs_sb_info
*sbi
)
3645 if (f2fs_sb_has_quota_ino(sbi
))
3647 if (F2FS_OPTION(sbi
).s_qf_names
[USRQUOTA
] ||
3648 F2FS_OPTION(sbi
).s_qf_names
[GRPQUOTA
] ||
3649 F2FS_OPTION(sbi
).s_qf_names
[PRJQUOTA
])