4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
14 #include <linux/types.h>
15 #include <linux/page-flags.h>
16 #include <linux/buffer_head.h>
17 #include <linux/slab.h>
18 #include <linux/crc32.h>
19 #include <linux/magic.h>
20 #include <linux/kobject.h>
21 #include <linux/sched.h>
22 #include <linux/vmalloc.h>
23 #include <linux/bio.h>
24 #include <linux/blkdev.h>
25 #include <linux/fscrypto.h>
26 #include <crypto/hash.h>
28 #ifdef CONFIG_F2FS_CHECK_FS
29 #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
31 #define f2fs_bug_on(sbi, condition) \
33 if (unlikely(condition)) { \
35 set_sbi_flag(sbi, SBI_NEED_FSCK); \
40 #ifdef CONFIG_F2FS_FAULT_INJECTION
54 struct f2fs_fault_info
{
56 unsigned int inject_rate
;
57 unsigned int inject_type
;
60 extern char *fault_name
[FAULT_MAX
];
61 #define IS_FAULT_SET(fi, type) (fi->inject_type & (1 << (type)))
67 #define F2FS_MOUNT_BG_GC 0x00000001
68 #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002
69 #define F2FS_MOUNT_DISCARD 0x00000004
70 #define F2FS_MOUNT_NOHEAP 0x00000008
71 #define F2FS_MOUNT_XATTR_USER 0x00000010
72 #define F2FS_MOUNT_POSIX_ACL 0x00000020
73 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
74 #define F2FS_MOUNT_INLINE_XATTR 0x00000080
75 #define F2FS_MOUNT_INLINE_DATA 0x00000100
76 #define F2FS_MOUNT_INLINE_DENTRY 0x00000200
77 #define F2FS_MOUNT_FLUSH_MERGE 0x00000400
78 #define F2FS_MOUNT_NOBARRIER 0x00000800
79 #define F2FS_MOUNT_FASTBOOT 0x00001000
80 #define F2FS_MOUNT_EXTENT_CACHE 0x00002000
81 #define F2FS_MOUNT_FORCE_FG_GC 0x00004000
82 #define F2FS_MOUNT_DATA_FLUSH 0x00008000
83 #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
84 #define F2FS_MOUNT_ADAPTIVE 0x00020000
85 #define F2FS_MOUNT_LFS 0x00040000
87 #define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option)
88 #define set_opt(sbi, option) (sbi->mount_opt.opt |= F2FS_MOUNT_##option)
89 #define test_opt(sbi, option) (sbi->mount_opt.opt & F2FS_MOUNT_##option)
91 #define ver_after(a, b) (typecheck(unsigned long long, a) && \
92 typecheck(unsigned long long, b) && \
93 ((long long)((a) - (b)) > 0))
95 typedef u32 block_t
; /*
96 * should not change u32, since it is the on-disk block
97 * address format, __le32.
101 struct f2fs_mount_info
{
105 #define F2FS_FEATURE_ENCRYPT 0x0001
106 #define F2FS_FEATURE_BLKZONED 0x0002
108 #define F2FS_HAS_FEATURE(sb, mask) \
109 ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
110 #define F2FS_SET_FEATURE(sb, mask) \
111 F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask)
112 #define F2FS_CLEAR_FEATURE(sb, mask) \
113 F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask)
116 * For checkpoint manager
131 #define DEF_BATCHED_TRIM_SECTIONS 2
132 #define BATCHED_TRIM_SEGMENTS(sbi) \
133 (SM_I(sbi)->trim_sections * (sbi)->segs_per_sec)
134 #define BATCHED_TRIM_BLOCKS(sbi) \
135 (BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg)
136 #define DEF_CP_INTERVAL 60 /* 60 secs */
137 #define DEF_IDLE_INTERVAL 5 /* 5 secs */
148 * For CP/NAT/SIT/SSA readahead
158 /* for the list of ino */
160 ORPHAN_INO
, /* for orphan ino list */
161 APPEND_INO
, /* for append ino list */
162 UPDATE_INO
, /* for update ino list */
163 MAX_INO_ENTRY
, /* max. list */
167 struct list_head list
; /* list head */
168 nid_t ino
; /* inode number */
171 /* for the list of inodes to be GCed */
173 struct list_head list
; /* list head */
174 struct inode
*inode
; /* vfs inode pointer */
177 /* for the list of blockaddresses to be discarded */
178 struct discard_entry
{
179 struct list_head list
; /* list head */
180 block_t blkaddr
; /* block address to be discarded */
181 int len
; /* # of consecutive blocks of the discard */
185 struct list_head list
;
187 struct completion event
;
191 /* for the list of fsync inodes, used only during recovery */
192 struct fsync_inode_entry
{
193 struct list_head list
; /* list head */
194 struct inode
*inode
; /* vfs inode pointer */
195 block_t blkaddr
; /* block address locating the last fsync */
196 block_t last_dentry
; /* block address locating the last dentry */
199 #define nats_in_cursum(jnl) (le16_to_cpu(jnl->n_nats))
200 #define sits_in_cursum(jnl) (le16_to_cpu(jnl->n_sits))
202 #define nat_in_journal(jnl, i) (jnl->nat_j.entries[i].ne)
203 #define nid_in_journal(jnl, i) (jnl->nat_j.entries[i].nid)
204 #define sit_in_journal(jnl, i) (jnl->sit_j.entries[i].se)
205 #define segno_in_journal(jnl, i) (jnl->sit_j.entries[i].segno)
207 #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
208 #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
210 static inline int update_nats_in_cursum(struct f2fs_journal
*journal
, int i
)
212 int before
= nats_in_cursum(journal
);
213 journal
->n_nats
= cpu_to_le16(before
+ i
);
217 static inline int update_sits_in_cursum(struct f2fs_journal
*journal
, int i
)
219 int before
= sits_in_cursum(journal
);
220 journal
->n_sits
= cpu_to_le16(before
+ i
);
224 static inline bool __has_cursum_space(struct f2fs_journal
*journal
,
227 if (type
== NAT_JOURNAL
)
228 return size
<= MAX_NAT_JENTRIES(journal
);
229 return size
<= MAX_SIT_JENTRIES(journal
);
235 #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
236 #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
237 #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
239 #define F2FS_IOCTL_MAGIC 0xf5
240 #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)
241 #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2)
242 #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3)
243 #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4)
244 #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5)
245 #define F2FS_IOC_GARBAGE_COLLECT _IO(F2FS_IOCTL_MAGIC, 6)
246 #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7)
247 #define F2FS_IOC_DEFRAGMENT _IO(F2FS_IOCTL_MAGIC, 8)
248 #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \
249 struct f2fs_move_range)
251 #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY
252 #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY
253 #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT
256 * should be same as XFS_IOC_GOINGDOWN.
257 * Flags for going down operation used by FS_IOC_GOINGDOWN
259 #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */
260 #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */
261 #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */
262 #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */
263 #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */
265 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
267 * ioctl commands in 32 bit emulation
269 #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS
270 #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS
271 #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION
274 struct f2fs_defragment
{
279 struct f2fs_move_range
{
280 u32 dst_fd
; /* destination fd */
281 u64 pos_in
; /* start position in src_fd */
282 u64 pos_out
; /* start position in dst_fd */
283 u64 len
; /* size to move */
287 * For INODE and NODE manager
289 /* for directory operations */
290 struct f2fs_dentry_ptr
{
293 struct f2fs_dir_entry
*dentry
;
294 __u8 (*filename
)[F2FS_SLOT_LEN
];
298 static inline void make_dentry_ptr(struct inode
*inode
,
299 struct f2fs_dentry_ptr
*d
, void *src
, int type
)
304 struct f2fs_dentry_block
*t
= (struct f2fs_dentry_block
*)src
;
305 d
->max
= NR_DENTRY_IN_BLOCK
;
306 d
->bitmap
= &t
->dentry_bitmap
;
307 d
->dentry
= t
->dentry
;
308 d
->filename
= t
->filename
;
310 struct f2fs_inline_dentry
*t
= (struct f2fs_inline_dentry
*)src
;
311 d
->max
= NR_INLINE_DENTRY
;
312 d
->bitmap
= &t
->dentry_bitmap
;
313 d
->dentry
= t
->dentry
;
314 d
->filename
= t
->filename
;
319 * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
320 * as its node offset to distinguish from index node blocks.
321 * But some bits are used to mark the node block.
323 #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
326 ALLOC_NODE
, /* allocate a new node page if needed */
327 LOOKUP_NODE
, /* look up a node without readahead */
329 * look up a node with readahead called
334 #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
336 #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
338 /* vector size for gang look-up from extent cache that consists of radix tree */
339 #define EXT_TREE_VEC_SIZE 64
341 /* for in-memory extent cache entry */
342 #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
344 /* number of extent info in extent cache we try to shrink */
345 #define EXTENT_CACHE_SHRINK_NUMBER 128
348 unsigned int fofs
; /* start offset in a file */
349 u32 blk
; /* start block address of the extent */
350 unsigned int len
; /* length of the extent */
354 struct rb_node rb_node
; /* rb node located in rb-tree */
355 struct list_head list
; /* node in global extent list of sbi */
356 struct extent_info ei
; /* extent info */
357 struct extent_tree
*et
; /* extent tree pointer */
361 nid_t ino
; /* inode number */
362 struct rb_root root
; /* root of extent info rb-tree */
363 struct extent_node
*cached_en
; /* recently accessed extent node */
364 struct extent_info largest
; /* largested extent info */
365 struct list_head list
; /* to be used by sbi->zombie_list */
366 rwlock_t lock
; /* protect extent info rb-tree */
367 atomic_t node_cnt
; /* # of extent node in rb-tree*/
371 * This structure is taken from ext4_map_blocks.
373 * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
375 #define F2FS_MAP_NEW (1 << BH_New)
376 #define F2FS_MAP_MAPPED (1 << BH_Mapped)
377 #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
378 #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
381 struct f2fs_map_blocks
{
385 unsigned int m_flags
;
386 pgoff_t
*m_next_pgofs
; /* point next possible non-hole pgofs */
389 /* for flag in get_data_block */
390 #define F2FS_GET_BLOCK_READ 0
391 #define F2FS_GET_BLOCK_DIO 1
392 #define F2FS_GET_BLOCK_FIEMAP 2
393 #define F2FS_GET_BLOCK_BMAP 3
394 #define F2FS_GET_BLOCK_PRE_DIO 4
395 #define F2FS_GET_BLOCK_PRE_AIO 5
398 * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
400 #define FADVISE_COLD_BIT 0x01
401 #define FADVISE_LOST_PINO_BIT 0x02
402 #define FADVISE_ENCRYPT_BIT 0x04
403 #define FADVISE_ENC_NAME_BIT 0x08
404 #define FADVISE_KEEP_SIZE_BIT 0x10
406 #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
407 #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
408 #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
409 #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
410 #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
411 #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
412 #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
413 #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
414 #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
415 #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
416 #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
417 #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
418 #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
420 #define DEF_DIR_LEVEL 0
422 struct f2fs_inode_info
{
423 struct inode vfs_inode
; /* serve a vfs inode */
424 unsigned long i_flags
; /* keep an inode flags for ioctl */
425 unsigned char i_advise
; /* use to give file attribute hints */
426 unsigned char i_dir_level
; /* use for dentry level for large dir */
427 unsigned int i_current_depth
; /* use only in directory structure */
428 unsigned int i_pino
; /* parent inode number */
429 umode_t i_acl_mode
; /* keep file acl mode temporarily */
431 /* Use below internally in f2fs*/
432 unsigned long flags
; /* use to pass per-file flags */
433 struct rw_semaphore i_sem
; /* protect fi info */
434 atomic_t dirty_pages
; /* # of dirty pages */
435 f2fs_hash_t chash
; /* hash value of given file name */
436 unsigned int clevel
; /* maximum level of given file name */
437 struct task_struct
*task
; /* lookup and create consistency */
438 nid_t i_xattr_nid
; /* node id that contains xattrs */
439 unsigned long long xattr_ver
; /* cp version of xattr modification */
440 loff_t last_disk_size
; /* lastly written file size */
442 struct list_head dirty_list
; /* dirty list for dirs and files */
443 struct list_head gdirty_list
; /* linked in global dirty list */
444 struct list_head inmem_pages
; /* inmemory pages managed by f2fs */
445 struct mutex inmem_lock
; /* lock for inmemory pages */
446 struct extent_tree
*extent_tree
; /* cached extent_tree entry */
447 struct rw_semaphore dio_rwsem
[2];/* avoid racing between dio and gc */
450 static inline void get_extent_info(struct extent_info
*ext
,
451 struct f2fs_extent
*i_ext
)
453 ext
->fofs
= le32_to_cpu(i_ext
->fofs
);
454 ext
->blk
= le32_to_cpu(i_ext
->blk
);
455 ext
->len
= le32_to_cpu(i_ext
->len
);
458 static inline void set_raw_extent(struct extent_info
*ext
,
459 struct f2fs_extent
*i_ext
)
461 i_ext
->fofs
= cpu_to_le32(ext
->fofs
);
462 i_ext
->blk
= cpu_to_le32(ext
->blk
);
463 i_ext
->len
= cpu_to_le32(ext
->len
);
466 static inline void set_extent_info(struct extent_info
*ei
, unsigned int fofs
,
467 u32 blk
, unsigned int len
)
474 static inline bool __is_extent_same(struct extent_info
*ei1
,
475 struct extent_info
*ei2
)
477 return (ei1
->fofs
== ei2
->fofs
&& ei1
->blk
== ei2
->blk
&&
478 ei1
->len
== ei2
->len
);
481 static inline bool __is_extent_mergeable(struct extent_info
*back
,
482 struct extent_info
*front
)
484 return (back
->fofs
+ back
->len
== front
->fofs
&&
485 back
->blk
+ back
->len
== front
->blk
);
488 static inline bool __is_back_mergeable(struct extent_info
*cur
,
489 struct extent_info
*back
)
491 return __is_extent_mergeable(back
, cur
);
494 static inline bool __is_front_mergeable(struct extent_info
*cur
,
495 struct extent_info
*front
)
497 return __is_extent_mergeable(cur
, front
);
500 extern void f2fs_mark_inode_dirty_sync(struct inode
*, bool);
501 static inline void __try_update_largest_extent(struct inode
*inode
,
502 struct extent_tree
*et
, struct extent_node
*en
)
504 if (en
->ei
.len
> et
->largest
.len
) {
505 et
->largest
= en
->ei
;
506 f2fs_mark_inode_dirty_sync(inode
, true);
516 struct f2fs_nm_info
{
517 block_t nat_blkaddr
; /* base disk address of NAT */
518 nid_t max_nid
; /* maximum possible node ids */
519 nid_t available_nids
; /* # of available node ids */
520 nid_t next_scan_nid
; /* the next nid to be scanned */
521 unsigned int ram_thresh
; /* control the memory footprint */
522 unsigned int ra_nid_pages
; /* # of nid pages to be readaheaded */
523 unsigned int dirty_nats_ratio
; /* control dirty nats ratio threshold */
525 /* NAT cache management */
526 struct radix_tree_root nat_root
;/* root of the nat entry cache */
527 struct radix_tree_root nat_set_root
;/* root of the nat set cache */
528 struct rw_semaphore nat_tree_lock
; /* protect nat_tree_lock */
529 struct list_head nat_entries
; /* cached nat entry list (clean) */
530 unsigned int nat_cnt
; /* the # of cached nat entries */
531 unsigned int dirty_nat_cnt
; /* total num of nat entries in set */
533 /* free node ids management */
534 struct radix_tree_root free_nid_root
;/* root of the free_nid cache */
535 struct list_head nid_list
[MAX_NID_LIST
];/* lists for free nids */
536 unsigned int nid_cnt
[MAX_NID_LIST
]; /* the number of free node id */
537 spinlock_t nid_list_lock
; /* protect nid lists ops */
538 struct mutex build_lock
; /* lock for build free nids */
541 char *nat_bitmap
; /* NAT bitmap pointer */
542 int bitmap_size
; /* bitmap size */
546 * this structure is used as one of function parameters.
547 * all the information are dedicated to a given direct node block determined
548 * by the data offset in a file.
550 struct dnode_of_data
{
551 struct inode
*inode
; /* vfs inode pointer */
552 struct page
*inode_page
; /* its inode page, NULL is possible */
553 struct page
*node_page
; /* cached direct node page */
554 nid_t nid
; /* node id of the direct node block */
555 unsigned int ofs_in_node
; /* data offset in the node page */
556 bool inode_page_locked
; /* inode page is locked or not */
557 bool node_changed
; /* is node block changed */
558 char cur_level
; /* level of hole node page */
559 char max_level
; /* level of current page located */
560 block_t data_blkaddr
; /* block address of the node block */
563 static inline void set_new_dnode(struct dnode_of_data
*dn
, struct inode
*inode
,
564 struct page
*ipage
, struct page
*npage
, nid_t nid
)
566 memset(dn
, 0, sizeof(*dn
));
568 dn
->inode_page
= ipage
;
569 dn
->node_page
= npage
;
576 * By default, there are 6 active log areas across the whole main area.
577 * When considering hot and cold data separation to reduce cleaning overhead,
578 * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
580 * In the current design, you should not change the numbers intentionally.
581 * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
582 * logs individually according to the underlying devices. (default: 6)
583 * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
584 * data and 8 for node logs.
586 #define NR_CURSEG_DATA_TYPE (3)
587 #define NR_CURSEG_NODE_TYPE (3)
588 #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
591 CURSEG_HOT_DATA
= 0, /* directory entry blocks */
592 CURSEG_WARM_DATA
, /* data blocks */
593 CURSEG_COLD_DATA
, /* multimedia or GCed data blocks */
594 CURSEG_HOT_NODE
, /* direct node blocks of directory files */
595 CURSEG_WARM_NODE
, /* direct node blocks of normal files */
596 CURSEG_COLD_NODE
, /* indirect node blocks */
601 struct completion wait
;
602 struct llist_node llnode
;
606 struct flush_cmd_control
{
607 struct task_struct
*f2fs_issue_flush
; /* flush thread */
608 wait_queue_head_t flush_wait_queue
; /* waiting queue for wake-up */
609 atomic_t submit_flush
; /* # of issued flushes */
610 struct llist_head issue_list
; /* list for command issue */
611 struct llist_node
*dispatch_list
; /* list for command dispatch */
614 struct f2fs_sm_info
{
615 struct sit_info
*sit_info
; /* whole segment information */
616 struct free_segmap_info
*free_info
; /* free segment information */
617 struct dirty_seglist_info
*dirty_info
; /* dirty segment information */
618 struct curseg_info
*curseg_array
; /* active segment information */
620 block_t seg0_blkaddr
; /* block address of 0'th segment */
621 block_t main_blkaddr
; /* start block address of main area */
622 block_t ssa_blkaddr
; /* start block address of SSA area */
624 unsigned int segment_count
; /* total # of segments */
625 unsigned int main_segments
; /* # of segments in main area */
626 unsigned int reserved_segments
; /* # of reserved segments */
627 unsigned int ovp_segments
; /* # of overprovision segments */
629 /* a threshold to reclaim prefree segments */
630 unsigned int rec_prefree_segments
;
632 /* for small discard management */
633 struct list_head discard_list
; /* 4KB discard list */
634 struct list_head wait_list
; /* linked with issued discard bio */
635 int nr_discards
; /* # of discards in the list */
636 int max_discards
; /* max. discards to be issued */
638 /* for batched trimming */
639 unsigned int trim_sections
; /* # of sections to trim */
641 struct list_head sit_entry_set
; /* sit entry set list */
643 unsigned int ipu_policy
; /* in-place-update policy */
644 unsigned int min_ipu_util
; /* in-place-update threshold */
645 unsigned int min_fsync_blocks
; /* threshold for fsync */
647 /* for flush command control */
648 struct flush_cmd_control
*cmd_control_info
;
656 * COUNT_TYPE for monitoring
658 * f2fs monitors the number of several block types such as on-writeback,
659 * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
661 #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
675 * The below are the page types of bios used in submit_bio().
676 * The available types are:
677 * DATA User data pages. It operates as async mode.
678 * NODE Node pages. It operates as async mode.
679 * META FS metadata pages such as SIT, NAT, CP.
680 * NR_PAGE_TYPE The number of page types.
681 * META_FLUSH Make sure the previous pages are written
682 * with waiting the bio's completion
683 * ... Only can be used with META.
685 #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
692 INMEM
, /* the below types are used by tracepoints only. */
699 struct f2fs_io_info
{
700 struct f2fs_sb_info
*sbi
; /* f2fs_sb_info pointer */
701 enum page_type type
; /* contains DATA/NODE/META/META_FLUSH */
702 int op
; /* contains REQ_OP_ */
703 int op_flags
; /* req_flag_bits */
704 block_t new_blkaddr
; /* new block address to be written */
705 block_t old_blkaddr
; /* old block address before Cow */
706 struct page
*page
; /* page to be written */
707 struct page
*encrypted_page
; /* encrypted page */
710 #define is_read_io(rw) (rw == READ)
711 struct f2fs_bio_info
{
712 struct f2fs_sb_info
*sbi
; /* f2fs superblock */
713 struct bio
*bio
; /* bios to merge */
714 sector_t last_block_in_bio
; /* last block number */
715 struct f2fs_io_info fio
; /* store buffered io info. */
716 struct rw_semaphore io_rwsem
; /* blocking op for bio */
719 #define FDEV(i) (sbi->devs[i])
720 #define RDEV(i) (raw_super->devs[i])
721 struct f2fs_dev_info
{
722 struct block_device
*bdev
;
723 char path
[MAX_PATH_LEN
];
724 unsigned int total_segments
;
727 #ifdef CONFIG_BLK_DEV_ZONED
728 unsigned int nr_blkz
; /* Total number of zones */
729 u8
*blkz_type
; /* Array of zones type */
734 DIR_INODE
, /* for dirty dir inode */
735 FILE_INODE
, /* for dirty regular/symlink inode */
736 DIRTY_META
, /* for all dirtied inode metadata */
740 /* for inner inode cache management */
741 struct inode_management
{
742 struct radix_tree_root ino_root
; /* ino entry array */
743 spinlock_t ino_lock
; /* for ino entry lock */
744 struct list_head ino_list
; /* inode list head */
745 unsigned long ino_num
; /* number of entries */
748 /* For s_flag in struct f2fs_sb_info */
750 SBI_IS_DIRTY
, /* dirty flag for checkpoint */
751 SBI_IS_CLOSE
, /* specify unmounting */
752 SBI_NEED_FSCK
, /* need fsck.f2fs to fix */
753 SBI_POR_DOING
, /* recovery is doing or not */
754 SBI_NEED_SB_WRITE
, /* need to recover superblock */
755 SBI_NEED_CP
, /* need to checkpoint */
764 #ifdef CONFIG_F2FS_FS_ENCRYPTION
765 #define F2FS_KEY_DESC_PREFIX "f2fs:"
766 #define F2FS_KEY_DESC_PREFIX_SIZE 5
768 struct f2fs_sb_info
{
769 struct super_block
*sb
; /* pointer to VFS super block */
770 struct proc_dir_entry
*s_proc
; /* proc entry */
771 struct f2fs_super_block
*raw_super
; /* raw super block pointer */
772 int valid_super_block
; /* valid super block no */
773 unsigned long s_flag
; /* flags for sbi */
775 #ifdef CONFIG_F2FS_FS_ENCRYPTION
776 u8 key_prefix
[F2FS_KEY_DESC_PREFIX_SIZE
];
780 #ifdef CONFIG_BLK_DEV_ZONED
781 unsigned int blocks_per_blkz
; /* F2FS blocks per zone */
782 unsigned int log_blocks_per_blkz
; /* log2 F2FS blocks per zone */
785 /* for node-related operations */
786 struct f2fs_nm_info
*nm_info
; /* node manager */
787 struct inode
*node_inode
; /* cache node blocks */
789 /* for segment-related operations */
790 struct f2fs_sm_info
*sm_info
; /* segment manager */
792 /* for bio operations */
793 struct f2fs_bio_info read_io
; /* for read bios */
794 struct f2fs_bio_info write_io
[NR_PAGE_TYPE
]; /* for write bios */
795 struct mutex wio_mutex
[NODE
+ 1]; /* bio ordering for NODE/DATA */
798 struct f2fs_checkpoint
*ckpt
; /* raw checkpoint pointer */
799 int cur_cp_pack
; /* remain current cp pack */
800 spinlock_t cp_lock
; /* for flag in ckpt */
801 struct inode
*meta_inode
; /* cache meta blocks */
802 struct mutex cp_mutex
; /* checkpoint procedure lock */
803 struct rw_semaphore cp_rwsem
; /* blocking FS operations */
804 struct rw_semaphore node_write
; /* locking node writes */
805 wait_queue_head_t cp_wait
;
806 unsigned long last_time
[MAX_TIME
]; /* to store time in jiffies */
807 long interval_time
[MAX_TIME
]; /* to store thresholds */
809 struct inode_management im
[MAX_INO_ENTRY
]; /* manage inode cache */
811 /* for orphan inode, use 0'th array */
812 unsigned int max_orphans
; /* max orphan inodes */
814 /* for inode management */
815 struct list_head inode_list
[NR_INODE_TYPE
]; /* dirty inode list */
816 spinlock_t inode_lock
[NR_INODE_TYPE
]; /* for dirty inode list lock */
818 /* for extent tree cache */
819 struct radix_tree_root extent_tree_root
;/* cache extent cache entries */
820 struct rw_semaphore extent_tree_lock
; /* locking extent radix tree */
821 struct list_head extent_list
; /* lru list for shrinker */
822 spinlock_t extent_lock
; /* locking extent lru list */
823 atomic_t total_ext_tree
; /* extent tree count */
824 struct list_head zombie_list
; /* extent zombie tree list */
825 atomic_t total_zombie_tree
; /* extent zombie tree count */
826 atomic_t total_ext_node
; /* extent info count */
828 /* basic filesystem units */
829 unsigned int log_sectors_per_block
; /* log2 sectors per block */
830 unsigned int log_blocksize
; /* log2 block size */
831 unsigned int blocksize
; /* block size */
832 unsigned int root_ino_num
; /* root inode number*/
833 unsigned int node_ino_num
; /* node inode number*/
834 unsigned int meta_ino_num
; /* meta inode number*/
835 unsigned int log_blocks_per_seg
; /* log2 blocks per segment */
836 unsigned int blocks_per_seg
; /* blocks per segment */
837 unsigned int segs_per_sec
; /* segments per section */
838 unsigned int secs_per_zone
; /* sections per zone */
839 unsigned int total_sections
; /* total section count */
840 unsigned int total_node_count
; /* total node block count */
841 unsigned int total_valid_node_count
; /* valid node block count */
842 loff_t max_file_blocks
; /* max block index of file */
843 int active_logs
; /* # of active logs */
844 int dir_level
; /* directory level */
846 block_t user_block_count
; /* # of user blocks */
847 block_t total_valid_block_count
; /* # of valid blocks */
848 block_t discard_blks
; /* discard command candidats */
849 block_t last_valid_block_count
; /* for recovery */
850 u32 s_next_generation
; /* for NFS support */
852 /* # of pages, see count_type */
853 atomic_t nr_pages
[NR_COUNT_TYPE
];
854 /* # of allocated blocks */
855 struct percpu_counter alloc_valid_block_count
;
857 /* valid inode count */
858 struct percpu_counter total_valid_inode_count
;
860 struct f2fs_mount_info mount_opt
; /* mount options */
862 /* for cleaning operations */
863 struct mutex gc_mutex
; /* mutex for GC */
864 struct f2fs_gc_kthread
*gc_thread
; /* GC thread */
865 unsigned int cur_victim_sec
; /* current victim section num */
867 /* threshold for converting bg victims for fg */
870 /* maximum # of trials to find a victim segment for SSR and GC */
871 unsigned int max_victim_search
;
874 * for stat information.
875 * one is for the LFS mode, and the other is for the SSR mode.
877 #ifdef CONFIG_F2FS_STAT_FS
878 struct f2fs_stat_info
*stat_info
; /* FS status information */
879 unsigned int segment_count
[2]; /* # of allocated segments */
880 unsigned int block_count
[2]; /* # of allocated blocks */
881 atomic_t inplace_count
; /* # of inplace update */
882 atomic64_t total_hit_ext
; /* # of lookup extent cache */
883 atomic64_t read_hit_rbtree
; /* # of hit rbtree extent node */
884 atomic64_t read_hit_largest
; /* # of hit largest extent node */
885 atomic64_t read_hit_cached
; /* # of hit cached extent node */
886 atomic_t inline_xattr
; /* # of inline_xattr inodes */
887 atomic_t inline_inode
; /* # of inline_data inodes */
888 atomic_t inline_dir
; /* # of inline_dentry inodes */
889 int bg_gc
; /* background gc calls */
890 unsigned int ndirty_inode
[NR_INODE_TYPE
]; /* # of dirty inodes */
892 unsigned int last_victim
[2]; /* last victim segment # */
893 spinlock_t stat_lock
; /* lock for stat operations */
895 /* For sysfs suppport */
896 struct kobject s_kobj
;
897 struct completion s_kobj_unregister
;
899 /* For shrinker support */
900 struct list_head s_list
;
901 int s_ndevs
; /* number of devices */
902 struct f2fs_dev_info
*devs
; /* for device list */
903 struct mutex umount_mutex
;
904 unsigned int shrinker_run_no
;
906 /* For write statistics */
907 u64 sectors_written_start
;
910 /* Reference to checksum algorithm driver via cryptoapi */
911 struct crypto_shash
*s_chksum_driver
;
913 /* For fault injection */
914 #ifdef CONFIG_F2FS_FAULT_INJECTION
915 struct f2fs_fault_info fault_info
;
919 #ifdef CONFIG_F2FS_FAULT_INJECTION
920 static inline bool time_to_inject(struct f2fs_sb_info
*sbi
, int type
)
922 struct f2fs_fault_info
*ffi
= &sbi
->fault_info
;
924 if (!ffi
->inject_rate
)
927 if (!IS_FAULT_SET(ffi
, type
))
930 atomic_inc(&ffi
->inject_ops
);
931 if (atomic_read(&ffi
->inject_ops
) >= ffi
->inject_rate
) {
932 atomic_set(&ffi
->inject_ops
, 0);
933 printk("%sF2FS-fs : inject %s in %pF\n",
936 __builtin_return_address(0));
943 /* For write statistics. Suppose sector size is 512 bytes,
944 * and the return value is in kbytes. s is of struct f2fs_sb_info.
946 #define BD_PART_WRITTEN(s) \
947 (((u64)part_stat_read(s->sb->s_bdev->bd_part, sectors[1]) - \
948 s->sectors_written_start) >> 1)
950 static inline void f2fs_update_time(struct f2fs_sb_info
*sbi
, int type
)
952 sbi
->last_time
[type
] = jiffies
;
955 static inline bool f2fs_time_over(struct f2fs_sb_info
*sbi
, int type
)
957 struct timespec ts
= {sbi
->interval_time
[type
], 0};
958 unsigned long interval
= timespec_to_jiffies(&ts
);
960 return time_after(jiffies
, sbi
->last_time
[type
] + interval
);
963 static inline bool is_idle(struct f2fs_sb_info
*sbi
)
965 struct block_device
*bdev
= sbi
->sb
->s_bdev
;
966 struct request_queue
*q
= bdev_get_queue(bdev
);
967 struct request_list
*rl
= &q
->root_rl
;
969 if (rl
->count
[BLK_RW_SYNC
] || rl
->count
[BLK_RW_ASYNC
])
972 return f2fs_time_over(sbi
, REQ_TIME
);
978 static inline u32
f2fs_crc32(struct f2fs_sb_info
*sbi
, const void *address
,
981 SHASH_DESC_ON_STACK(shash
, sbi
->s_chksum_driver
);
982 u32
*ctx
= (u32
*)shash_desc_ctx(shash
);
985 shash
->tfm
= sbi
->s_chksum_driver
;
987 *ctx
= F2FS_SUPER_MAGIC
;
989 err
= crypto_shash_update(shash
, address
, length
);
995 static inline bool f2fs_crc_valid(struct f2fs_sb_info
*sbi
, __u32 blk_crc
,
996 void *buf
, size_t buf_size
)
998 return f2fs_crc32(sbi
, buf
, buf_size
) == blk_crc
;
1001 static inline struct f2fs_inode_info
*F2FS_I(struct inode
*inode
)
1003 return container_of(inode
, struct f2fs_inode_info
, vfs_inode
);
1006 static inline struct f2fs_sb_info
*F2FS_SB(struct super_block
*sb
)
1008 return sb
->s_fs_info
;
1011 static inline struct f2fs_sb_info
*F2FS_I_SB(struct inode
*inode
)
1013 return F2FS_SB(inode
->i_sb
);
1016 static inline struct f2fs_sb_info
*F2FS_M_SB(struct address_space
*mapping
)
1018 return F2FS_I_SB(mapping
->host
);
1021 static inline struct f2fs_sb_info
*F2FS_P_SB(struct page
*page
)
1023 return F2FS_M_SB(page
->mapping
);
1026 static inline struct f2fs_super_block
*F2FS_RAW_SUPER(struct f2fs_sb_info
*sbi
)
1028 return (struct f2fs_super_block
*)(sbi
->raw_super
);
1031 static inline struct f2fs_checkpoint
*F2FS_CKPT(struct f2fs_sb_info
*sbi
)
1033 return (struct f2fs_checkpoint
*)(sbi
->ckpt
);
1036 static inline struct f2fs_node
*F2FS_NODE(struct page
*page
)
1038 return (struct f2fs_node
*)page_address(page
);
1041 static inline struct f2fs_inode
*F2FS_INODE(struct page
*page
)
1043 return &((struct f2fs_node
*)page_address(page
))->i
;
1046 static inline struct f2fs_nm_info
*NM_I(struct f2fs_sb_info
*sbi
)
1048 return (struct f2fs_nm_info
*)(sbi
->nm_info
);
1051 static inline struct f2fs_sm_info
*SM_I(struct f2fs_sb_info
*sbi
)
1053 return (struct f2fs_sm_info
*)(sbi
->sm_info
);
1056 static inline struct sit_info
*SIT_I(struct f2fs_sb_info
*sbi
)
1058 return (struct sit_info
*)(SM_I(sbi
)->sit_info
);
1061 static inline struct free_segmap_info
*FREE_I(struct f2fs_sb_info
*sbi
)
1063 return (struct free_segmap_info
*)(SM_I(sbi
)->free_info
);
1066 static inline struct dirty_seglist_info
*DIRTY_I(struct f2fs_sb_info
*sbi
)
1068 return (struct dirty_seglist_info
*)(SM_I(sbi
)->dirty_info
);
1071 static inline struct address_space
*META_MAPPING(struct f2fs_sb_info
*sbi
)
1073 return sbi
->meta_inode
->i_mapping
;
1076 static inline struct address_space
*NODE_MAPPING(struct f2fs_sb_info
*sbi
)
1078 return sbi
->node_inode
->i_mapping
;
1081 static inline bool is_sbi_flag_set(struct f2fs_sb_info
*sbi
, unsigned int type
)
1083 return test_bit(type
, &sbi
->s_flag
);
1086 static inline void set_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1088 set_bit(type
, &sbi
->s_flag
);
1091 static inline void clear_sbi_flag(struct f2fs_sb_info
*sbi
, unsigned int type
)
1093 clear_bit(type
, &sbi
->s_flag
);
1096 static inline unsigned long long cur_cp_version(struct f2fs_checkpoint
*cp
)
1098 return le64_to_cpu(cp
->checkpoint_ver
);
1101 static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1103 unsigned int ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1105 return ckpt_flags
& f
;
1108 static inline bool is_set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1110 return __is_set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1113 static inline void __set_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1115 unsigned int ckpt_flags
;
1117 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1119 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1122 static inline void set_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1124 spin_lock(&sbi
->cp_lock
);
1125 __set_ckpt_flags(F2FS_CKPT(sbi
), f
);
1126 spin_unlock(&sbi
->cp_lock
);
1129 static inline void __clear_ckpt_flags(struct f2fs_checkpoint
*cp
, unsigned int f
)
1131 unsigned int ckpt_flags
;
1133 ckpt_flags
= le32_to_cpu(cp
->ckpt_flags
);
1135 cp
->ckpt_flags
= cpu_to_le32(ckpt_flags
);
1138 static inline void clear_ckpt_flags(struct f2fs_sb_info
*sbi
, unsigned int f
)
1140 spin_lock(&sbi
->cp_lock
);
1141 __clear_ckpt_flags(F2FS_CKPT(sbi
), f
);
1142 spin_unlock(&sbi
->cp_lock
);
1145 static inline void f2fs_lock_op(struct f2fs_sb_info
*sbi
)
1147 down_read(&sbi
->cp_rwsem
);
1150 static inline void f2fs_unlock_op(struct f2fs_sb_info
*sbi
)
1152 up_read(&sbi
->cp_rwsem
);
1155 static inline void f2fs_lock_all(struct f2fs_sb_info
*sbi
)
1157 down_write(&sbi
->cp_rwsem
);
1160 static inline void f2fs_unlock_all(struct f2fs_sb_info
*sbi
)
1162 up_write(&sbi
->cp_rwsem
);
1165 static inline int __get_cp_reason(struct f2fs_sb_info
*sbi
)
1167 int reason
= CP_SYNC
;
1169 if (test_opt(sbi
, FASTBOOT
))
1170 reason
= CP_FASTBOOT
;
1171 if (is_sbi_flag_set(sbi
, SBI_IS_CLOSE
))
1176 static inline bool __remain_node_summaries(int reason
)
1178 return (reason
== CP_UMOUNT
|| reason
== CP_FASTBOOT
);
1181 static inline bool __exist_node_summaries(struct f2fs_sb_info
*sbi
)
1183 return (is_set_ckpt_flags(sbi
, CP_UMOUNT_FLAG
) ||
1184 is_set_ckpt_flags(sbi
, CP_FASTBOOT_FLAG
));
1188 * Check whether the given nid is within node id range.
1190 static inline int check_nid_range(struct f2fs_sb_info
*sbi
, nid_t nid
)
1192 if (unlikely(nid
< F2FS_ROOT_INO(sbi
)))
1194 if (unlikely(nid
>= NM_I(sbi
)->max_nid
))
1199 #define F2FS_DEFAULT_ALLOCATED_BLOCKS 1
1202 * Check whether the inode has blocks or not
1204 static inline int F2FS_HAS_BLOCKS(struct inode
*inode
)
1206 if (F2FS_I(inode
)->i_xattr_nid
)
1207 return inode
->i_blocks
> F2FS_DEFAULT_ALLOCATED_BLOCKS
+ 1;
1209 return inode
->i_blocks
> F2FS_DEFAULT_ALLOCATED_BLOCKS
;
1212 static inline bool f2fs_has_xattr_block(unsigned int ofs
)
1214 return ofs
== XATTR_NODE_OFFSET
;
1217 static inline void f2fs_i_blocks_write(struct inode
*, blkcnt_t
, bool);
1218 static inline bool inc_valid_block_count(struct f2fs_sb_info
*sbi
,
1219 struct inode
*inode
, blkcnt_t
*count
)
1223 #ifdef CONFIG_F2FS_FAULT_INJECTION
1224 if (time_to_inject(sbi
, FAULT_BLOCK
))
1228 * let's increase this in prior to actual block count change in order
1229 * for f2fs_sync_file to avoid data races when deciding checkpoint.
1231 percpu_counter_add(&sbi
->alloc_valid_block_count
, (*count
));
1233 spin_lock(&sbi
->stat_lock
);
1234 sbi
->total_valid_block_count
+= (block_t
)(*count
);
1235 if (unlikely(sbi
->total_valid_block_count
> sbi
->user_block_count
)) {
1236 diff
= sbi
->total_valid_block_count
- sbi
->user_block_count
;
1238 sbi
->total_valid_block_count
= sbi
->user_block_count
;
1240 spin_unlock(&sbi
->stat_lock
);
1241 percpu_counter_sub(&sbi
->alloc_valid_block_count
, diff
);
1245 spin_unlock(&sbi
->stat_lock
);
1247 f2fs_i_blocks_write(inode
, *count
, true);
1251 static inline void dec_valid_block_count(struct f2fs_sb_info
*sbi
,
1252 struct inode
*inode
,
1255 spin_lock(&sbi
->stat_lock
);
1256 f2fs_bug_on(sbi
, sbi
->total_valid_block_count
< (block_t
) count
);
1257 f2fs_bug_on(sbi
, inode
->i_blocks
< count
);
1258 sbi
->total_valid_block_count
-= (block_t
)count
;
1259 spin_unlock(&sbi
->stat_lock
);
1260 f2fs_i_blocks_write(inode
, count
, false);
1263 static inline void inc_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1265 atomic_inc(&sbi
->nr_pages
[count_type
]);
1267 if (count_type
== F2FS_DIRTY_DATA
|| count_type
== F2FS_INMEM_PAGES
||
1268 count_type
== F2FS_WB_CP_DATA
|| count_type
== F2FS_WB_DATA
)
1271 set_sbi_flag(sbi
, SBI_IS_DIRTY
);
1274 static inline void inode_inc_dirty_pages(struct inode
*inode
)
1276 atomic_inc(&F2FS_I(inode
)->dirty_pages
);
1277 inc_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1278 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1281 static inline void dec_page_count(struct f2fs_sb_info
*sbi
, int count_type
)
1283 atomic_dec(&sbi
->nr_pages
[count_type
]);
1286 static inline void inode_dec_dirty_pages(struct inode
*inode
)
1288 if (!S_ISDIR(inode
->i_mode
) && !S_ISREG(inode
->i_mode
) &&
1289 !S_ISLNK(inode
->i_mode
))
1292 atomic_dec(&F2FS_I(inode
)->dirty_pages
);
1293 dec_page_count(F2FS_I_SB(inode
), S_ISDIR(inode
->i_mode
) ?
1294 F2FS_DIRTY_DENTS
: F2FS_DIRTY_DATA
);
1297 static inline s64
get_pages(struct f2fs_sb_info
*sbi
, int count_type
)
1299 return atomic_read(&sbi
->nr_pages
[count_type
]);
1302 static inline int get_dirty_pages(struct inode
*inode
)
1304 return atomic_read(&F2FS_I(inode
)->dirty_pages
);
1307 static inline int get_blocktype_secs(struct f2fs_sb_info
*sbi
, int block_type
)
1309 unsigned int pages_per_sec
= sbi
->segs_per_sec
* sbi
->blocks_per_seg
;
1310 unsigned int segs
= (get_pages(sbi
, block_type
) + pages_per_sec
- 1) >>
1311 sbi
->log_blocks_per_seg
;
1313 return segs
/ sbi
->segs_per_sec
;
1316 static inline block_t
valid_user_blocks(struct f2fs_sb_info
*sbi
)
1318 return sbi
->total_valid_block_count
;
1321 static inline block_t
discard_blocks(struct f2fs_sb_info
*sbi
)
1323 return sbi
->discard_blks
;
1326 static inline unsigned long __bitmap_size(struct f2fs_sb_info
*sbi
, int flag
)
1328 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1330 /* return NAT or SIT bitmap */
1331 if (flag
== NAT_BITMAP
)
1332 return le32_to_cpu(ckpt
->nat_ver_bitmap_bytesize
);
1333 else if (flag
== SIT_BITMAP
)
1334 return le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
);
1339 static inline block_t
__cp_payload(struct f2fs_sb_info
*sbi
)
1341 return le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_payload
);
1344 static inline void *__bitmap_ptr(struct f2fs_sb_info
*sbi
, int flag
)
1346 struct f2fs_checkpoint
*ckpt
= F2FS_CKPT(sbi
);
1349 if (__cp_payload(sbi
) > 0) {
1350 if (flag
== NAT_BITMAP
)
1351 return &ckpt
->sit_nat_version_bitmap
;
1353 return (unsigned char *)ckpt
+ F2FS_BLKSIZE
;
1355 offset
= (flag
== NAT_BITMAP
) ?
1356 le32_to_cpu(ckpt
->sit_ver_bitmap_bytesize
) : 0;
1357 return &ckpt
->sit_nat_version_bitmap
+ offset
;
1361 static inline block_t
__start_cp_addr(struct f2fs_sb_info
*sbi
)
1363 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1365 if (sbi
->cur_cp_pack
== 2)
1366 start_addr
+= sbi
->blocks_per_seg
;
1370 static inline block_t
__start_cp_next_addr(struct f2fs_sb_info
*sbi
)
1372 block_t start_addr
= le32_to_cpu(F2FS_RAW_SUPER(sbi
)->cp_blkaddr
);
1374 if (sbi
->cur_cp_pack
== 1)
1375 start_addr
+= sbi
->blocks_per_seg
;
1379 static inline void __set_cp_next_pack(struct f2fs_sb_info
*sbi
)
1381 sbi
->cur_cp_pack
= (sbi
->cur_cp_pack
== 1) ? 2 : 1;
1384 static inline block_t
__start_sum_addr(struct f2fs_sb_info
*sbi
)
1386 return le32_to_cpu(F2FS_CKPT(sbi
)->cp_pack_start_sum
);
1389 static inline bool inc_valid_node_count(struct f2fs_sb_info
*sbi
,
1390 struct inode
*inode
)
1392 block_t valid_block_count
;
1393 unsigned int valid_node_count
;
1395 spin_lock(&sbi
->stat_lock
);
1397 valid_block_count
= sbi
->total_valid_block_count
+ 1;
1398 if (unlikely(valid_block_count
> sbi
->user_block_count
)) {
1399 spin_unlock(&sbi
->stat_lock
);
1403 valid_node_count
= sbi
->total_valid_node_count
+ 1;
1404 if (unlikely(valid_node_count
> sbi
->total_node_count
)) {
1405 spin_unlock(&sbi
->stat_lock
);
1410 f2fs_i_blocks_write(inode
, 1, true);
1412 sbi
->total_valid_node_count
++;
1413 sbi
->total_valid_block_count
++;
1414 spin_unlock(&sbi
->stat_lock
);
1416 percpu_counter_inc(&sbi
->alloc_valid_block_count
);
1420 static inline void dec_valid_node_count(struct f2fs_sb_info
*sbi
,
1421 struct inode
*inode
)
1423 spin_lock(&sbi
->stat_lock
);
1425 f2fs_bug_on(sbi
, !sbi
->total_valid_block_count
);
1426 f2fs_bug_on(sbi
, !sbi
->total_valid_node_count
);
1427 f2fs_bug_on(sbi
, !inode
->i_blocks
);
1429 f2fs_i_blocks_write(inode
, 1, false);
1430 sbi
->total_valid_node_count
--;
1431 sbi
->total_valid_block_count
--;
1433 spin_unlock(&sbi
->stat_lock
);
1436 static inline unsigned int valid_node_count(struct f2fs_sb_info
*sbi
)
1438 return sbi
->total_valid_node_count
;
1441 static inline void inc_valid_inode_count(struct f2fs_sb_info
*sbi
)
1443 percpu_counter_inc(&sbi
->total_valid_inode_count
);
1446 static inline void dec_valid_inode_count(struct f2fs_sb_info
*sbi
)
1448 percpu_counter_dec(&sbi
->total_valid_inode_count
);
1451 static inline s64
valid_inode_count(struct f2fs_sb_info
*sbi
)
1453 return percpu_counter_sum_positive(&sbi
->total_valid_inode_count
);
1456 static inline struct page
*f2fs_grab_cache_page(struct address_space
*mapping
,
1457 pgoff_t index
, bool for_write
)
1459 #ifdef CONFIG_F2FS_FAULT_INJECTION
1460 struct page
*page
= find_lock_page(mapping
, index
);
1464 if (time_to_inject(F2FS_M_SB(mapping
), FAULT_PAGE_ALLOC
))
1468 return grab_cache_page(mapping
, index
);
1469 return grab_cache_page_write_begin(mapping
, index
, AOP_FLAG_NOFS
);
1472 static inline void f2fs_copy_page(struct page
*src
, struct page
*dst
)
1474 char *src_kaddr
= kmap(src
);
1475 char *dst_kaddr
= kmap(dst
);
1477 memcpy(dst_kaddr
, src_kaddr
, PAGE_SIZE
);
1482 static inline void f2fs_put_page(struct page
*page
, int unlock
)
1488 f2fs_bug_on(F2FS_P_SB(page
), !PageLocked(page
));
1494 static inline void f2fs_put_dnode(struct dnode_of_data
*dn
)
1497 f2fs_put_page(dn
->node_page
, 1);
1498 if (dn
->inode_page
&& dn
->node_page
!= dn
->inode_page
)
1499 f2fs_put_page(dn
->inode_page
, 0);
1500 dn
->node_page
= NULL
;
1501 dn
->inode_page
= NULL
;
1504 static inline struct kmem_cache
*f2fs_kmem_cache_create(const char *name
,
1507 return kmem_cache_create(name
, size
, 0, SLAB_RECLAIM_ACCOUNT
, NULL
);
1510 static inline void *f2fs_kmem_cache_alloc(struct kmem_cache
*cachep
,
1515 entry
= kmem_cache_alloc(cachep
, flags
);
1517 entry
= kmem_cache_alloc(cachep
, flags
| __GFP_NOFAIL
);
1521 static inline struct bio
*f2fs_bio_alloc(int npages
)
1525 /* No failure on bio allocation */
1526 bio
= bio_alloc(GFP_NOIO
, npages
);
1528 bio
= bio_alloc(GFP_NOIO
| __GFP_NOFAIL
, npages
);
1532 static inline void f2fs_radix_tree_insert(struct radix_tree_root
*root
,
1533 unsigned long index
, void *item
)
1535 while (radix_tree_insert(root
, index
, item
))
1539 #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
1541 static inline bool IS_INODE(struct page
*page
)
1543 struct f2fs_node
*p
= F2FS_NODE(page
);
1544 return RAW_IS_INODE(p
);
1547 static inline __le32
*blkaddr_in_node(struct f2fs_node
*node
)
1549 return RAW_IS_INODE(node
) ? node
->i
.i_addr
: node
->dn
.addr
;
1552 static inline block_t
datablock_addr(struct page
*node_page
,
1553 unsigned int offset
)
1555 struct f2fs_node
*raw_node
;
1557 raw_node
= F2FS_NODE(node_page
);
1558 addr_array
= blkaddr_in_node(raw_node
);
1559 return le32_to_cpu(addr_array
[offset
]);
1562 static inline int f2fs_test_bit(unsigned int nr
, char *addr
)
1567 mask
= 1 << (7 - (nr
& 0x07));
1568 return mask
& *addr
;
1571 static inline void f2fs_set_bit(unsigned int nr
, char *addr
)
1576 mask
= 1 << (7 - (nr
& 0x07));
1580 static inline void f2fs_clear_bit(unsigned int nr
, char *addr
)
1585 mask
= 1 << (7 - (nr
& 0x07));
1589 static inline int f2fs_test_and_set_bit(unsigned int nr
, char *addr
)
1595 mask
= 1 << (7 - (nr
& 0x07));
1601 static inline int f2fs_test_and_clear_bit(unsigned int nr
, char *addr
)
1607 mask
= 1 << (7 - (nr
& 0x07));
1613 static inline void f2fs_change_bit(unsigned int nr
, char *addr
)
1618 mask
= 1 << (7 - (nr
& 0x07));
1622 /* used for f2fs_inode_info->flags */
1624 FI_NEW_INODE
, /* indicate newly allocated inode */
1625 FI_DIRTY_INODE
, /* indicate inode is dirty or not */
1626 FI_AUTO_RECOVER
, /* indicate inode is recoverable */
1627 FI_DIRTY_DIR
, /* indicate directory has dirty pages */
1628 FI_INC_LINK
, /* need to increment i_nlink */
1629 FI_ACL_MODE
, /* indicate acl mode */
1630 FI_NO_ALLOC
, /* should not allocate any blocks */
1631 FI_FREE_NID
, /* free allocated nide */
1632 FI_NO_EXTENT
, /* not to use the extent cache */
1633 FI_INLINE_XATTR
, /* used for inline xattr */
1634 FI_INLINE_DATA
, /* used for inline data*/
1635 FI_INLINE_DENTRY
, /* used for inline dentry */
1636 FI_APPEND_WRITE
, /* inode has appended data */
1637 FI_UPDATE_WRITE
, /* inode has in-place-update data */
1638 FI_NEED_IPU
, /* used for ipu per file */
1639 FI_ATOMIC_FILE
, /* indicate atomic file */
1640 FI_VOLATILE_FILE
, /* indicate volatile file */
1641 FI_FIRST_BLOCK_WRITTEN
, /* indicate #0 data block was written */
1642 FI_DROP_CACHE
, /* drop dirty page cache */
1643 FI_DATA_EXIST
, /* indicate data exists */
1644 FI_INLINE_DOTS
, /* indicate inline dot dentries */
1645 FI_DO_DEFRAG
, /* indicate defragment is running */
1646 FI_DIRTY_FILE
, /* indicate regular/symlink has dirty pages */
1649 static inline void __mark_inode_dirty_flag(struct inode
*inode
,
1653 case FI_INLINE_XATTR
:
1654 case FI_INLINE_DATA
:
1655 case FI_INLINE_DENTRY
:
1659 case FI_INLINE_DOTS
:
1660 f2fs_mark_inode_dirty_sync(inode
, true);
1664 static inline void set_inode_flag(struct inode
*inode
, int flag
)
1666 if (!test_bit(flag
, &F2FS_I(inode
)->flags
))
1667 set_bit(flag
, &F2FS_I(inode
)->flags
);
1668 __mark_inode_dirty_flag(inode
, flag
, true);
1671 static inline int is_inode_flag_set(struct inode
*inode
, int flag
)
1673 return test_bit(flag
, &F2FS_I(inode
)->flags
);
1676 static inline void clear_inode_flag(struct inode
*inode
, int flag
)
1678 if (test_bit(flag
, &F2FS_I(inode
)->flags
))
1679 clear_bit(flag
, &F2FS_I(inode
)->flags
);
1680 __mark_inode_dirty_flag(inode
, flag
, false);
1683 static inline void set_acl_inode(struct inode
*inode
, umode_t mode
)
1685 F2FS_I(inode
)->i_acl_mode
= mode
;
1686 set_inode_flag(inode
, FI_ACL_MODE
);
1687 f2fs_mark_inode_dirty_sync(inode
, false);
1690 static inline void f2fs_i_links_write(struct inode
*inode
, bool inc
)
1696 f2fs_mark_inode_dirty_sync(inode
, true);
1699 static inline void f2fs_i_blocks_write(struct inode
*inode
,
1700 blkcnt_t diff
, bool add
)
1702 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
1703 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
1705 inode
->i_blocks
= add
? inode
->i_blocks
+ diff
:
1706 inode
->i_blocks
- diff
;
1707 f2fs_mark_inode_dirty_sync(inode
, true);
1708 if (clean
|| recover
)
1709 set_inode_flag(inode
, FI_AUTO_RECOVER
);
1712 static inline void f2fs_i_size_write(struct inode
*inode
, loff_t i_size
)
1714 bool clean
= !is_inode_flag_set(inode
, FI_DIRTY_INODE
);
1715 bool recover
= is_inode_flag_set(inode
, FI_AUTO_RECOVER
);
1717 if (i_size_read(inode
) == i_size
)
1720 i_size_write(inode
, i_size
);
1721 f2fs_mark_inode_dirty_sync(inode
, true);
1722 if (clean
|| recover
)
1723 set_inode_flag(inode
, FI_AUTO_RECOVER
);
1726 static inline void f2fs_i_depth_write(struct inode
*inode
, unsigned int depth
)
1728 F2FS_I(inode
)->i_current_depth
= depth
;
1729 f2fs_mark_inode_dirty_sync(inode
, true);
1732 static inline void f2fs_i_xnid_write(struct inode
*inode
, nid_t xnid
)
1734 F2FS_I(inode
)->i_xattr_nid
= xnid
;
1735 f2fs_mark_inode_dirty_sync(inode
, true);
1738 static inline void f2fs_i_pino_write(struct inode
*inode
, nid_t pino
)
1740 F2FS_I(inode
)->i_pino
= pino
;
1741 f2fs_mark_inode_dirty_sync(inode
, true);
1744 static inline void get_inline_info(struct inode
*inode
, struct f2fs_inode
*ri
)
1746 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
1748 if (ri
->i_inline
& F2FS_INLINE_XATTR
)
1749 set_bit(FI_INLINE_XATTR
, &fi
->flags
);
1750 if (ri
->i_inline
& F2FS_INLINE_DATA
)
1751 set_bit(FI_INLINE_DATA
, &fi
->flags
);
1752 if (ri
->i_inline
& F2FS_INLINE_DENTRY
)
1753 set_bit(FI_INLINE_DENTRY
, &fi
->flags
);
1754 if (ri
->i_inline
& F2FS_DATA_EXIST
)
1755 set_bit(FI_DATA_EXIST
, &fi
->flags
);
1756 if (ri
->i_inline
& F2FS_INLINE_DOTS
)
1757 set_bit(FI_INLINE_DOTS
, &fi
->flags
);
1760 static inline void set_raw_inline(struct inode
*inode
, struct f2fs_inode
*ri
)
1764 if (is_inode_flag_set(inode
, FI_INLINE_XATTR
))
1765 ri
->i_inline
|= F2FS_INLINE_XATTR
;
1766 if (is_inode_flag_set(inode
, FI_INLINE_DATA
))
1767 ri
->i_inline
|= F2FS_INLINE_DATA
;
1768 if (is_inode_flag_set(inode
, FI_INLINE_DENTRY
))
1769 ri
->i_inline
|= F2FS_INLINE_DENTRY
;
1770 if (is_inode_flag_set(inode
, FI_DATA_EXIST
))
1771 ri
->i_inline
|= F2FS_DATA_EXIST
;
1772 if (is_inode_flag_set(inode
, FI_INLINE_DOTS
))
1773 ri
->i_inline
|= F2FS_INLINE_DOTS
;
1776 static inline int f2fs_has_inline_xattr(struct inode
*inode
)
1778 return is_inode_flag_set(inode
, FI_INLINE_XATTR
);
1781 static inline unsigned int addrs_per_inode(struct inode
*inode
)
1783 if (f2fs_has_inline_xattr(inode
))
1784 return DEF_ADDRS_PER_INODE
- F2FS_INLINE_XATTR_ADDRS
;
1785 return DEF_ADDRS_PER_INODE
;
1788 static inline void *inline_xattr_addr(struct page
*page
)
1790 struct f2fs_inode
*ri
= F2FS_INODE(page
);
1791 return (void *)&(ri
->i_addr
[DEF_ADDRS_PER_INODE
-
1792 F2FS_INLINE_XATTR_ADDRS
]);
1795 static inline int inline_xattr_size(struct inode
*inode
)
1797 if (f2fs_has_inline_xattr(inode
))
1798 return F2FS_INLINE_XATTR_ADDRS
<< 2;
1803 static inline int f2fs_has_inline_data(struct inode
*inode
)
1805 return is_inode_flag_set(inode
, FI_INLINE_DATA
);
1808 static inline void f2fs_clear_inline_inode(struct inode
*inode
)
1810 clear_inode_flag(inode
, FI_INLINE_DATA
);
1811 clear_inode_flag(inode
, FI_DATA_EXIST
);
1814 static inline int f2fs_exist_data(struct inode
*inode
)
1816 return is_inode_flag_set(inode
, FI_DATA_EXIST
);
1819 static inline int f2fs_has_inline_dots(struct inode
*inode
)
1821 return is_inode_flag_set(inode
, FI_INLINE_DOTS
);
1824 static inline bool f2fs_is_atomic_file(struct inode
*inode
)
1826 return is_inode_flag_set(inode
, FI_ATOMIC_FILE
);
1829 static inline bool f2fs_is_volatile_file(struct inode
*inode
)
1831 return is_inode_flag_set(inode
, FI_VOLATILE_FILE
);
1834 static inline bool f2fs_is_first_block_written(struct inode
*inode
)
1836 return is_inode_flag_set(inode
, FI_FIRST_BLOCK_WRITTEN
);
1839 static inline bool f2fs_is_drop_cache(struct inode
*inode
)
1841 return is_inode_flag_set(inode
, FI_DROP_CACHE
);
1844 static inline void *inline_data_addr(struct page
*page
)
1846 struct f2fs_inode
*ri
= F2FS_INODE(page
);
1847 return (void *)&(ri
->i_addr
[1]);
1850 static inline int f2fs_has_inline_dentry(struct inode
*inode
)
1852 return is_inode_flag_set(inode
, FI_INLINE_DENTRY
);
1855 static inline void f2fs_dentry_kunmap(struct inode
*dir
, struct page
*page
)
1857 if (!f2fs_has_inline_dentry(dir
))
1861 static inline int is_file(struct inode
*inode
, int type
)
1863 return F2FS_I(inode
)->i_advise
& type
;
1866 static inline void set_file(struct inode
*inode
, int type
)
1868 F2FS_I(inode
)->i_advise
|= type
;
1869 f2fs_mark_inode_dirty_sync(inode
, true);
1872 static inline void clear_file(struct inode
*inode
, int type
)
1874 F2FS_I(inode
)->i_advise
&= ~type
;
1875 f2fs_mark_inode_dirty_sync(inode
, true);
1878 static inline bool f2fs_skip_inode_update(struct inode
*inode
, int dsync
)
1881 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
1884 spin_lock(&sbi
->inode_lock
[DIRTY_META
]);
1885 ret
= list_empty(&F2FS_I(inode
)->gdirty_list
);
1886 spin_unlock(&sbi
->inode_lock
[DIRTY_META
]);
1889 if (!is_inode_flag_set(inode
, FI_AUTO_RECOVER
) ||
1890 file_keep_isize(inode
) ||
1891 i_size_read(inode
) & PAGE_MASK
)
1893 return F2FS_I(inode
)->last_disk_size
== i_size_read(inode
);
1896 static inline int f2fs_readonly(struct super_block
*sb
)
1898 return sb
->s_flags
& MS_RDONLY
;
1901 static inline bool f2fs_cp_error(struct f2fs_sb_info
*sbi
)
1903 return is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
);
1906 static inline bool is_dot_dotdot(const struct qstr
*str
)
1908 if (str
->len
== 1 && str
->name
[0] == '.')
1911 if (str
->len
== 2 && str
->name
[0] == '.' && str
->name
[1] == '.')
1917 static inline bool f2fs_may_extent_tree(struct inode
*inode
)
1919 if (!test_opt(F2FS_I_SB(inode
), EXTENT_CACHE
) ||
1920 is_inode_flag_set(inode
, FI_NO_EXTENT
))
1923 return S_ISREG(inode
->i_mode
);
1926 static inline void *f2fs_kmalloc(struct f2fs_sb_info
*sbi
,
1927 size_t size
, gfp_t flags
)
1929 #ifdef CONFIG_F2FS_FAULT_INJECTION
1930 if (time_to_inject(sbi
, FAULT_KMALLOC
))
1933 return kmalloc(size
, flags
);
1936 static inline void *f2fs_kvmalloc(size_t size
, gfp_t flags
)
1940 ret
= kmalloc(size
, flags
| __GFP_NOWARN
);
1942 ret
= __vmalloc(size
, flags
, PAGE_KERNEL
);
1946 static inline void *f2fs_kvzalloc(size_t size
, gfp_t flags
)
1950 ret
= kzalloc(size
, flags
| __GFP_NOWARN
);
1952 ret
= __vmalloc(size
, flags
| __GFP_ZERO
, PAGE_KERNEL
);
1956 #define get_inode_mode(i) \
1957 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
1958 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
1960 /* get offset of first page in next direct node */
1961 #define PGOFS_OF_NEXT_DNODE(pgofs, inode) \
1962 ((pgofs < ADDRS_PER_INODE(inode)) ? ADDRS_PER_INODE(inode) : \
1963 (pgofs - ADDRS_PER_INODE(inode) + ADDRS_PER_BLOCK) / \
1964 ADDRS_PER_BLOCK * ADDRS_PER_BLOCK + ADDRS_PER_INODE(inode))
1969 int f2fs_sync_file(struct file
*, loff_t
, loff_t
, int);
1970 void truncate_data_blocks(struct dnode_of_data
*);
1971 int truncate_blocks(struct inode
*, u64
, bool);
1972 int f2fs_truncate(struct inode
*);
1973 int f2fs_getattr(struct vfsmount
*, struct dentry
*, struct kstat
*);
1974 int f2fs_setattr(struct dentry
*, struct iattr
*);
1975 int truncate_hole(struct inode
*, pgoff_t
, pgoff_t
);
1976 int truncate_data_blocks_range(struct dnode_of_data
*, int);
1977 long f2fs_ioctl(struct file
*, unsigned int, unsigned long);
1978 long f2fs_compat_ioctl(struct file
*, unsigned int, unsigned long);
1983 void f2fs_set_inode_flags(struct inode
*);
1984 struct inode
*f2fs_iget(struct super_block
*, unsigned long);
1985 struct inode
*f2fs_iget_retry(struct super_block
*, unsigned long);
1986 int try_to_free_nats(struct f2fs_sb_info
*, int);
1987 int update_inode(struct inode
*, struct page
*);
1988 int update_inode_page(struct inode
*);
1989 int f2fs_write_inode(struct inode
*, struct writeback_control
*);
1990 void f2fs_evict_inode(struct inode
*);
1991 void handle_failed_inode(struct inode
*);
1996 struct dentry
*f2fs_get_parent(struct dentry
*child
);
2001 void set_de_type(struct f2fs_dir_entry
*, umode_t
);
2002 unsigned char get_de_type(struct f2fs_dir_entry
*);
2003 struct f2fs_dir_entry
*find_target_dentry(struct fscrypt_name
*,
2004 f2fs_hash_t
, int *, struct f2fs_dentry_ptr
*);
2005 int f2fs_fill_dentries(struct dir_context
*, struct f2fs_dentry_ptr
*,
2006 unsigned int, struct fscrypt_str
*);
2007 void do_make_empty_dir(struct inode
*, struct inode
*,
2008 struct f2fs_dentry_ptr
*);
2009 struct page
*init_inode_metadata(struct inode
*, struct inode
*,
2010 const struct qstr
*, const struct qstr
*, struct page
*);
2011 void update_parent_metadata(struct inode
*, struct inode
*, unsigned int);
2012 int room_for_filename(const void *, int, int);
2013 void f2fs_drop_nlink(struct inode
*, struct inode
*);
2014 struct f2fs_dir_entry
*__f2fs_find_entry(struct inode
*, struct fscrypt_name
*,
2016 struct f2fs_dir_entry
*f2fs_find_entry(struct inode
*, const struct qstr
*,
2018 struct f2fs_dir_entry
*f2fs_parent_dir(struct inode
*, struct page
**);
2019 ino_t
f2fs_inode_by_name(struct inode
*, const struct qstr
*, struct page
**);
2020 void f2fs_set_link(struct inode
*, struct f2fs_dir_entry
*,
2021 struct page
*, struct inode
*);
2022 int update_dent_inode(struct inode
*, struct inode
*, const struct qstr
*);
2023 void f2fs_update_dentry(nid_t ino
, umode_t mode
, struct f2fs_dentry_ptr
*,
2024 const struct qstr
*, f2fs_hash_t
, unsigned int);
2025 int f2fs_add_regular_entry(struct inode
*, const struct qstr
*,
2026 const struct qstr
*, struct inode
*, nid_t
, umode_t
);
2027 int __f2fs_do_add_link(struct inode
*, struct fscrypt_name
*, struct inode
*,
2029 int __f2fs_add_link(struct inode
*, const struct qstr
*, struct inode
*, nid_t
,
2031 void f2fs_delete_entry(struct f2fs_dir_entry
*, struct page
*, struct inode
*,
2033 int f2fs_do_tmpfile(struct inode
*, struct inode
*);
2034 bool f2fs_empty_dir(struct inode
*);
2036 static inline int f2fs_add_link(struct dentry
*dentry
, struct inode
*inode
)
2038 return __f2fs_add_link(d_inode(dentry
->d_parent
), &dentry
->d_name
,
2039 inode
, inode
->i_ino
, inode
->i_mode
);
2045 int f2fs_inode_dirtied(struct inode
*, bool);
2046 void f2fs_inode_synced(struct inode
*);
2047 int f2fs_commit_super(struct f2fs_sb_info
*, bool);
2048 int f2fs_sync_fs(struct super_block
*, int);
2049 extern __printf(3, 4)
2050 void f2fs_msg(struct super_block
*, const char *, const char *, ...);
2051 int sanity_check_ckpt(struct f2fs_sb_info
*sbi
);
2056 f2fs_hash_t
f2fs_dentry_hash(const struct qstr
*);
2061 struct dnode_of_data
;
2064 bool available_free_memory(struct f2fs_sb_info
*, int);
2065 int need_dentry_mark(struct f2fs_sb_info
*, nid_t
);
2066 bool is_checkpointed_node(struct f2fs_sb_info
*, nid_t
);
2067 bool need_inode_block_update(struct f2fs_sb_info
*, nid_t
);
2068 void get_node_info(struct f2fs_sb_info
*, nid_t
, struct node_info
*);
2069 pgoff_t
get_next_page_offset(struct dnode_of_data
*, pgoff_t
);
2070 int get_dnode_of_data(struct dnode_of_data
*, pgoff_t
, int);
2071 int truncate_inode_blocks(struct inode
*, pgoff_t
);
2072 int truncate_xattr_node(struct inode
*, struct page
*);
2073 int wait_on_node_pages_writeback(struct f2fs_sb_info
*, nid_t
);
2074 int remove_inode_page(struct inode
*);
2075 struct page
*new_inode_page(struct inode
*);
2076 struct page
*new_node_page(struct dnode_of_data
*, unsigned int, struct page
*);
2077 void ra_node_page(struct f2fs_sb_info
*, nid_t
);
2078 struct page
*get_node_page(struct f2fs_sb_info
*, pgoff_t
);
2079 struct page
*get_node_page_ra(struct page
*, int);
2080 void move_node_page(struct page
*, int);
2081 int fsync_node_pages(struct f2fs_sb_info
*, struct inode
*,
2082 struct writeback_control
*, bool);
2083 int sync_node_pages(struct f2fs_sb_info
*, struct writeback_control
*);
2084 void build_free_nids(struct f2fs_sb_info
*, bool);
2085 bool alloc_nid(struct f2fs_sb_info
*, nid_t
*);
2086 void alloc_nid_done(struct f2fs_sb_info
*, nid_t
);
2087 void alloc_nid_failed(struct f2fs_sb_info
*, nid_t
);
2088 int try_to_free_nids(struct f2fs_sb_info
*, int);
2089 void recover_inline_xattr(struct inode
*, struct page
*);
2090 void recover_xattr_data(struct inode
*, struct page
*, block_t
);
2091 int recover_inode_page(struct f2fs_sb_info
*, struct page
*);
2092 int restore_node_summary(struct f2fs_sb_info
*, unsigned int,
2093 struct f2fs_summary_block
*);
2094 void flush_nat_entries(struct f2fs_sb_info
*);
2095 int build_node_manager(struct f2fs_sb_info
*);
2096 void destroy_node_manager(struct f2fs_sb_info
*);
2097 int __init
create_node_manager_caches(void);
2098 void destroy_node_manager_caches(void);
2103 void register_inmem_page(struct inode
*, struct page
*);
2104 void drop_inmem_pages(struct inode
*);
2105 int commit_inmem_pages(struct inode
*);
2106 void f2fs_balance_fs(struct f2fs_sb_info
*, bool);
2107 void f2fs_balance_fs_bg(struct f2fs_sb_info
*);
2108 int f2fs_issue_flush(struct f2fs_sb_info
*);
2109 int create_flush_cmd_control(struct f2fs_sb_info
*);
2110 void destroy_flush_cmd_control(struct f2fs_sb_info
*, bool);
2111 void invalidate_blocks(struct f2fs_sb_info
*, block_t
);
2112 bool is_checkpointed_data(struct f2fs_sb_info
*, block_t
);
2113 void refresh_sit_entry(struct f2fs_sb_info
*, block_t
, block_t
);
2114 void f2fs_wait_all_discard_bio(struct f2fs_sb_info
*);
2115 void clear_prefree_segments(struct f2fs_sb_info
*, struct cp_control
*);
2116 void release_discard_addrs(struct f2fs_sb_info
*);
2117 int npages_for_summary_flush(struct f2fs_sb_info
*, bool);
2118 void allocate_new_segments(struct f2fs_sb_info
*);
2119 int f2fs_trim_fs(struct f2fs_sb_info
*, struct fstrim_range
*);
2120 struct page
*get_sum_page(struct f2fs_sb_info
*, unsigned int);
2121 void update_meta_page(struct f2fs_sb_info
*, void *, block_t
);
2122 void write_meta_page(struct f2fs_sb_info
*, struct page
*);
2123 void write_node_page(unsigned int, struct f2fs_io_info
*);
2124 void write_data_page(struct dnode_of_data
*, struct f2fs_io_info
*);
2125 void rewrite_data_page(struct f2fs_io_info
*);
2126 void __f2fs_replace_block(struct f2fs_sb_info
*, struct f2fs_summary
*,
2127 block_t
, block_t
, bool, bool);
2128 void f2fs_replace_block(struct f2fs_sb_info
*, struct dnode_of_data
*,
2129 block_t
, block_t
, unsigned char, bool, bool);
2130 void allocate_data_block(struct f2fs_sb_info
*, struct page
*,
2131 block_t
, block_t
*, struct f2fs_summary
*, int);
2132 void f2fs_wait_on_page_writeback(struct page
*, enum page_type
, bool);
2133 void f2fs_wait_on_encrypted_page_writeback(struct f2fs_sb_info
*, block_t
);
2134 void write_data_summaries(struct f2fs_sb_info
*, block_t
);
2135 void write_node_summaries(struct f2fs_sb_info
*, block_t
);
2136 int lookup_journal_in_cursum(struct f2fs_journal
*, int, unsigned int, int);
2137 void flush_sit_entries(struct f2fs_sb_info
*, struct cp_control
*);
2138 int build_segment_manager(struct f2fs_sb_info
*);
2139 void destroy_segment_manager(struct f2fs_sb_info
*);
2140 int __init
create_segment_manager_caches(void);
2141 void destroy_segment_manager_caches(void);
2146 void f2fs_stop_checkpoint(struct f2fs_sb_info
*, bool);
2147 struct page
*grab_meta_page(struct f2fs_sb_info
*, pgoff_t
);
2148 struct page
*get_meta_page(struct f2fs_sb_info
*, pgoff_t
);
2149 struct page
*get_tmp_page(struct f2fs_sb_info
*, pgoff_t
);
2150 bool is_valid_blkaddr(struct f2fs_sb_info
*, block_t
, int);
2151 int ra_meta_pages(struct f2fs_sb_info
*, block_t
, int, int, bool);
2152 void ra_meta_pages_cond(struct f2fs_sb_info
*, pgoff_t
);
2153 long sync_meta_pages(struct f2fs_sb_info
*, enum page_type
, long);
2154 void add_ino_entry(struct f2fs_sb_info
*, nid_t
, int type
);
2155 void remove_ino_entry(struct f2fs_sb_info
*, nid_t
, int type
);
2156 void release_ino_entry(struct f2fs_sb_info
*, bool);
2157 bool exist_written_data(struct f2fs_sb_info
*, nid_t
, int);
2158 int f2fs_sync_inode_meta(struct f2fs_sb_info
*);
2159 int acquire_orphan_inode(struct f2fs_sb_info
*);
2160 void release_orphan_inode(struct f2fs_sb_info
*);
2161 void add_orphan_inode(struct inode
*);
2162 void remove_orphan_inode(struct f2fs_sb_info
*, nid_t
);
2163 int recover_orphan_inodes(struct f2fs_sb_info
*);
2164 int get_valid_checkpoint(struct f2fs_sb_info
*);
2165 void update_dirty_page(struct inode
*, struct page
*);
2166 void remove_dirty_inode(struct inode
*);
2167 int sync_dirty_inodes(struct f2fs_sb_info
*, enum inode_type
);
2168 int write_checkpoint(struct f2fs_sb_info
*, struct cp_control
*);
2169 void init_ino_entry_info(struct f2fs_sb_info
*);
2170 int __init
create_checkpoint_caches(void);
2171 void destroy_checkpoint_caches(void);
2176 void f2fs_submit_merged_bio(struct f2fs_sb_info
*, enum page_type
, int);
2177 void f2fs_submit_merged_bio_cond(struct f2fs_sb_info
*, struct inode
*,
2178 struct page
*, nid_t
, enum page_type
, int);
2179 void f2fs_flush_merged_bios(struct f2fs_sb_info
*);
2180 int f2fs_submit_page_bio(struct f2fs_io_info
*);
2181 void f2fs_submit_page_mbio(struct f2fs_io_info
*);
2182 struct block_device
*f2fs_target_device(struct f2fs_sb_info
*,
2183 block_t
, struct bio
*);
2184 int f2fs_target_device_index(struct f2fs_sb_info
*, block_t
);
2185 void set_data_blkaddr(struct dnode_of_data
*);
2186 void f2fs_update_data_blkaddr(struct dnode_of_data
*, block_t
);
2187 int reserve_new_blocks(struct dnode_of_data
*, blkcnt_t
);
2188 int reserve_new_block(struct dnode_of_data
*);
2189 int f2fs_get_block(struct dnode_of_data
*, pgoff_t
);
2190 int f2fs_preallocate_blocks(struct kiocb
*, struct iov_iter
*);
2191 int f2fs_reserve_block(struct dnode_of_data
*, pgoff_t
);
2192 struct page
*get_read_data_page(struct inode
*, pgoff_t
, int, bool);
2193 struct page
*find_data_page(struct inode
*, pgoff_t
);
2194 struct page
*get_lock_data_page(struct inode
*, pgoff_t
, bool);
2195 struct page
*get_new_data_page(struct inode
*, struct page
*, pgoff_t
, bool);
2196 int do_write_data_page(struct f2fs_io_info
*);
2197 int f2fs_map_blocks(struct inode
*, struct f2fs_map_blocks
*, int, int);
2198 int f2fs_fiemap(struct inode
*inode
, struct fiemap_extent_info
*, u64
, u64
);
2199 void f2fs_set_page_dirty_nobuffers(struct page
*);
2200 void f2fs_invalidate_page(struct page
*, unsigned int, unsigned int);
2201 int f2fs_release_page(struct page
*, gfp_t
);
2202 #ifdef CONFIG_MIGRATION
2203 int f2fs_migrate_page(struct address_space
*, struct page
*, struct page
*,
2210 int start_gc_thread(struct f2fs_sb_info
*);
2211 void stop_gc_thread(struct f2fs_sb_info
*);
2212 block_t
start_bidx_of_node(unsigned int, struct inode
*);
2213 int f2fs_gc(struct f2fs_sb_info
*, bool, bool);
2214 void build_gc_manager(struct f2fs_sb_info
*);
2219 int recover_fsync_data(struct f2fs_sb_info
*, bool);
2220 bool space_for_roll_forward(struct f2fs_sb_info
*);
2225 #ifdef CONFIG_F2FS_STAT_FS
2226 struct f2fs_stat_info
{
2227 struct list_head stat_list
;
2228 struct f2fs_sb_info
*sbi
;
2229 int all_area_segs
, sit_area_segs
, nat_area_segs
, ssa_area_segs
;
2230 int main_area_segs
, main_area_sections
, main_area_zones
;
2231 unsigned long long hit_largest
, hit_cached
, hit_rbtree
;
2232 unsigned long long hit_total
, total_ext
;
2233 int ext_tree
, zombie_tree
, ext_node
;
2234 int ndirty_node
, ndirty_dent
, ndirty_meta
, ndirty_data
, ndirty_imeta
;
2236 unsigned int ndirty_dirs
, ndirty_files
, ndirty_all
;
2237 int nats
, dirty_nats
, sits
, dirty_sits
, free_nids
, alloc_nids
;
2238 int total_count
, utilization
;
2239 int bg_gc
, nr_wb_cp_data
, nr_wb_data
;
2240 int inline_xattr
, inline_inode
, inline_dir
, orphans
;
2241 unsigned int valid_count
, valid_node_count
, valid_inode_count
, discard_blks
;
2242 unsigned int bimodal
, avg_vblocks
;
2243 int util_free
, util_valid
, util_invalid
;
2244 int rsvd_segs
, overp_segs
;
2245 int dirty_count
, node_pages
, meta_pages
;
2246 int prefree_count
, call_count
, cp_count
, bg_cp_count
;
2247 int tot_segs
, node_segs
, data_segs
, free_segs
, free_secs
;
2248 int bg_node_segs
, bg_data_segs
;
2249 int tot_blks
, data_blks
, node_blks
;
2250 int bg_data_blks
, bg_node_blks
;
2251 int curseg
[NR_CURSEG_TYPE
];
2252 int cursec
[NR_CURSEG_TYPE
];
2253 int curzone
[NR_CURSEG_TYPE
];
2255 unsigned int segment_count
[2];
2256 unsigned int block_count
[2];
2257 unsigned int inplace_count
;
2258 unsigned long long base_mem
, cache_mem
, page_mem
;
2261 static inline struct f2fs_stat_info
*F2FS_STAT(struct f2fs_sb_info
*sbi
)
2263 return (struct f2fs_stat_info
*)sbi
->stat_info
;
2266 #define stat_inc_cp_count(si) ((si)->cp_count++)
2267 #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
2268 #define stat_inc_call_count(si) ((si)->call_count++)
2269 #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++)
2270 #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
2271 #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
2272 #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
2273 #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
2274 #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
2275 #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
2276 #define stat_inc_inline_xattr(inode) \
2278 if (f2fs_has_inline_xattr(inode)) \
2279 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
2281 #define stat_dec_inline_xattr(inode) \
2283 if (f2fs_has_inline_xattr(inode)) \
2284 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
2286 #define stat_inc_inline_inode(inode) \
2288 if (f2fs_has_inline_data(inode)) \
2289 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
2291 #define stat_dec_inline_inode(inode) \
2293 if (f2fs_has_inline_data(inode)) \
2294 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
2296 #define stat_inc_inline_dir(inode) \
2298 if (f2fs_has_inline_dentry(inode)) \
2299 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
2301 #define stat_dec_inline_dir(inode) \
2303 if (f2fs_has_inline_dentry(inode)) \
2304 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
2306 #define stat_inc_seg_type(sbi, curseg) \
2307 ((sbi)->segment_count[(curseg)->alloc_type]++)
2308 #define stat_inc_block_count(sbi, curseg) \
2309 ((sbi)->block_count[(curseg)->alloc_type]++)
2310 #define stat_inc_inplace_blocks(sbi) \
2311 (atomic_inc(&(sbi)->inplace_count))
2312 #define stat_inc_seg_count(sbi, type, gc_type) \
2314 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
2316 if (type == SUM_TYPE_DATA) { \
2318 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
2321 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
2325 #define stat_inc_tot_blk_count(si, blks) \
2326 (si->tot_blks += (blks))
2328 #define stat_inc_data_blk_count(sbi, blks, gc_type) \
2330 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
2331 stat_inc_tot_blk_count(si, blks); \
2332 si->data_blks += (blks); \
2333 si->bg_data_blks += (gc_type == BG_GC) ? (blks) : 0; \
2336 #define stat_inc_node_blk_count(sbi, blks, gc_type) \
2338 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
2339 stat_inc_tot_blk_count(si, blks); \
2340 si->node_blks += (blks); \
2341 si->bg_node_blks += (gc_type == BG_GC) ? (blks) : 0; \
2344 int f2fs_build_stats(struct f2fs_sb_info
*);
2345 void f2fs_destroy_stats(struct f2fs_sb_info
*);
2346 int __init
f2fs_create_root_stats(void);
2347 void f2fs_destroy_root_stats(void);
2349 #define stat_inc_cp_count(si)
2350 #define stat_inc_bg_cp_count(si)
2351 #define stat_inc_call_count(si)
2352 #define stat_inc_bggc_count(si)
2353 #define stat_inc_dirty_inode(sbi, type)
2354 #define stat_dec_dirty_inode(sbi, type)
2355 #define stat_inc_total_hit(sb)
2356 #define stat_inc_rbtree_node_hit(sb)
2357 #define stat_inc_largest_node_hit(sbi)
2358 #define stat_inc_cached_node_hit(sbi)
2359 #define stat_inc_inline_xattr(inode)
2360 #define stat_dec_inline_xattr(inode)
2361 #define stat_inc_inline_inode(inode)
2362 #define stat_dec_inline_inode(inode)
2363 #define stat_inc_inline_dir(inode)
2364 #define stat_dec_inline_dir(inode)
2365 #define stat_inc_seg_type(sbi, curseg)
2366 #define stat_inc_block_count(sbi, curseg)
2367 #define stat_inc_inplace_blocks(sbi)
2368 #define stat_inc_seg_count(sbi, type, gc_type)
2369 #define stat_inc_tot_blk_count(si, blks)
2370 #define stat_inc_data_blk_count(sbi, blks, gc_type)
2371 #define stat_inc_node_blk_count(sbi, blks, gc_type)
2373 static inline int f2fs_build_stats(struct f2fs_sb_info
*sbi
) { return 0; }
2374 static inline void f2fs_destroy_stats(struct f2fs_sb_info
*sbi
) { }
2375 static inline int __init
f2fs_create_root_stats(void) { return 0; }
2376 static inline void f2fs_destroy_root_stats(void) { }
2379 extern const struct file_operations f2fs_dir_operations
;
2380 extern const struct file_operations f2fs_file_operations
;
2381 extern const struct inode_operations f2fs_file_inode_operations
;
2382 extern const struct address_space_operations f2fs_dblock_aops
;
2383 extern const struct address_space_operations f2fs_node_aops
;
2384 extern const struct address_space_operations f2fs_meta_aops
;
2385 extern const struct inode_operations f2fs_dir_inode_operations
;
2386 extern const struct inode_operations f2fs_symlink_inode_operations
;
2387 extern const struct inode_operations f2fs_encrypted_symlink_inode_operations
;
2388 extern const struct inode_operations f2fs_special_inode_operations
;
2389 extern struct kmem_cache
*inode_entry_slab
;
2394 bool f2fs_may_inline_data(struct inode
*);
2395 bool f2fs_may_inline_dentry(struct inode
*);
2396 void read_inline_data(struct page
*, struct page
*);
2397 bool truncate_inline_inode(struct page
*, u64
);
2398 int f2fs_read_inline_data(struct inode
*, struct page
*);
2399 int f2fs_convert_inline_page(struct dnode_of_data
*, struct page
*);
2400 int f2fs_convert_inline_inode(struct inode
*);
2401 int f2fs_write_inline_data(struct inode
*, struct page
*);
2402 bool recover_inline_data(struct inode
*, struct page
*);
2403 struct f2fs_dir_entry
*find_in_inline_dir(struct inode
*,
2404 struct fscrypt_name
*, struct page
**);
2405 int make_empty_inline_dir(struct inode
*inode
, struct inode
*, struct page
*);
2406 int f2fs_add_inline_entry(struct inode
*, const struct qstr
*,
2407 const struct qstr
*, struct inode
*, nid_t
, umode_t
);
2408 void f2fs_delete_inline_entry(struct f2fs_dir_entry
*, struct page
*,
2409 struct inode
*, struct inode
*);
2410 bool f2fs_empty_inline_dir(struct inode
*);
2411 int f2fs_read_inline_dir(struct file
*, struct dir_context
*,
2412 struct fscrypt_str
*);
2413 int f2fs_inline_data_fiemap(struct inode
*,
2414 struct fiemap_extent_info
*, __u64
, __u64
);
2419 unsigned long f2fs_shrink_count(struct shrinker
*, struct shrink_control
*);
2420 unsigned long f2fs_shrink_scan(struct shrinker
*, struct shrink_control
*);
2421 void f2fs_join_shrinker(struct f2fs_sb_info
*);
2422 void f2fs_leave_shrinker(struct f2fs_sb_info
*);
2427 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info
*, int);
2428 bool f2fs_init_extent_tree(struct inode
*, struct f2fs_extent
*);
2429 void f2fs_drop_extent_tree(struct inode
*);
2430 unsigned int f2fs_destroy_extent_node(struct inode
*);
2431 void f2fs_destroy_extent_tree(struct inode
*);
2432 bool f2fs_lookup_extent_cache(struct inode
*, pgoff_t
, struct extent_info
*);
2433 void f2fs_update_extent_cache(struct dnode_of_data
*);
2434 void f2fs_update_extent_cache_range(struct dnode_of_data
*dn
,
2435 pgoff_t
, block_t
, unsigned int);
2436 void init_extent_cache_info(struct f2fs_sb_info
*);
2437 int __init
create_extent_cache(void);
2438 void destroy_extent_cache(void);
2443 static inline bool f2fs_encrypted_inode(struct inode
*inode
)
2445 return file_is_encrypt(inode
);
2448 static inline void f2fs_set_encrypted_inode(struct inode
*inode
)
2450 #ifdef CONFIG_F2FS_FS_ENCRYPTION
2451 file_set_encrypt(inode
);
2455 static inline bool f2fs_bio_encrypted(struct bio
*bio
)
2457 return bio
->bi_private
!= NULL
;
2460 static inline int f2fs_sb_has_crypto(struct super_block
*sb
)
2462 return F2FS_HAS_FEATURE(sb
, F2FS_FEATURE_ENCRYPT
);
2465 static inline int f2fs_sb_mounted_blkzoned(struct super_block
*sb
)
2467 return F2FS_HAS_FEATURE(sb
, F2FS_FEATURE_BLKZONED
);
2470 #ifdef CONFIG_BLK_DEV_ZONED
2471 static inline int get_blkz_type(struct f2fs_sb_info
*sbi
,
2472 struct block_device
*bdev
, block_t blkaddr
)
2474 unsigned int zno
= blkaddr
>> sbi
->log_blocks_per_blkz
;
2477 for (i
= 0; i
< sbi
->s_ndevs
; i
++)
2478 if (FDEV(i
).bdev
== bdev
)
2479 return FDEV(i
).blkz_type
[zno
];
2484 static inline bool f2fs_discard_en(struct f2fs_sb_info
*sbi
)
2486 struct request_queue
*q
= bdev_get_queue(sbi
->sb
->s_bdev
);
2488 return blk_queue_discard(q
) || f2fs_sb_mounted_blkzoned(sbi
->sb
);
2491 static inline void set_opt_mode(struct f2fs_sb_info
*sbi
, unsigned int mt
)
2493 clear_opt(sbi
, ADAPTIVE
);
2494 clear_opt(sbi
, LFS
);
2497 case F2FS_MOUNT_ADAPTIVE
:
2498 set_opt(sbi
, ADAPTIVE
);
2500 case F2FS_MOUNT_LFS
:
2506 static inline bool f2fs_may_encrypt(struct inode
*inode
)
2508 #ifdef CONFIG_F2FS_FS_ENCRYPTION
2509 umode_t mode
= inode
->i_mode
;
2511 return (S_ISREG(mode
) || S_ISDIR(mode
) || S_ISLNK(mode
));
2517 #ifndef CONFIG_F2FS_FS_ENCRYPTION
2518 #define fscrypt_set_d_op(i)
2519 #define fscrypt_get_ctx fscrypt_notsupp_get_ctx
2520 #define fscrypt_release_ctx fscrypt_notsupp_release_ctx
2521 #define fscrypt_encrypt_page fscrypt_notsupp_encrypt_page
2522 #define fscrypt_decrypt_page fscrypt_notsupp_decrypt_page
2523 #define fscrypt_decrypt_bio_pages fscrypt_notsupp_decrypt_bio_pages
2524 #define fscrypt_pullback_bio_page fscrypt_notsupp_pullback_bio_page
2525 #define fscrypt_restore_control_page fscrypt_notsupp_restore_control_page
2526 #define fscrypt_zeroout_range fscrypt_notsupp_zeroout_range
2527 #define fscrypt_ioctl_set_policy fscrypt_notsupp_ioctl_set_policy
2528 #define fscrypt_ioctl_get_policy fscrypt_notsupp_ioctl_get_policy
2529 #define fscrypt_has_permitted_context fscrypt_notsupp_has_permitted_context
2530 #define fscrypt_inherit_context fscrypt_notsupp_inherit_context
2531 #define fscrypt_get_encryption_info fscrypt_notsupp_get_encryption_info
2532 #define fscrypt_put_encryption_info fscrypt_notsupp_put_encryption_info
2533 #define fscrypt_setup_filename fscrypt_notsupp_setup_filename
2534 #define fscrypt_free_filename fscrypt_notsupp_free_filename
2535 #define fscrypt_fname_encrypted_size fscrypt_notsupp_fname_encrypted_size
2536 #define fscrypt_fname_alloc_buffer fscrypt_notsupp_fname_alloc_buffer
2537 #define fscrypt_fname_free_buffer fscrypt_notsupp_fname_free_buffer
2538 #define fscrypt_fname_disk_to_usr fscrypt_notsupp_fname_disk_to_usr
2539 #define fscrypt_fname_usr_to_disk fscrypt_notsupp_fname_usr_to_disk