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8#ifndef _LINUX_F2FS_H
9#define _LINUX_F2FS_H
10
11#include <linux/uio.h>
12#include <linux/types.h>
13#include <linux/page-flags.h>
14#include <linux/buffer_head.h>
15#include <linux/slab.h>
16#include <linux/crc32.h>
17#include <linux/magic.h>
18#include <linux/kobject.h>
19#include <linux/sched.h>
20#include <linux/cred.h>
21#include <linux/vmalloc.h>
22#include <linux/bio.h>
23#include <linux/blkdev.h>
24#include <linux/quotaops.h>
25#include <linux/part_stat.h>
26#include <crypto/hash.h>
27
28#include <linux/fscrypt.h>
29#include <linux/fsverity.h>
30
31#ifdef CONFIG_F2FS_CHECK_FS
32#define f2fs_bug_on(sbi, condition) BUG_ON(condition)
33#else
34#define f2fs_bug_on(sbi, condition) \
35 do { \
36 if (WARN_ON(condition)) \
37 set_sbi_flag(sbi, SBI_NEED_FSCK); \
38 } while (0)
39#endif
40
41enum {
42 FAULT_KMALLOC,
43 FAULT_KVMALLOC,
44 FAULT_PAGE_ALLOC,
45 FAULT_PAGE_GET,
46 FAULT_ALLOC_BIO,
47 FAULT_ALLOC_NID,
48 FAULT_ORPHAN,
49 FAULT_BLOCK,
50 FAULT_DIR_DEPTH,
51 FAULT_EVICT_INODE,
52 FAULT_TRUNCATE,
53 FAULT_READ_IO,
54 FAULT_CHECKPOINT,
55 FAULT_DISCARD,
56 FAULT_WRITE_IO,
57 FAULT_SLAB_ALLOC,
58 FAULT_MAX,
59};
60
61#ifdef CONFIG_F2FS_FAULT_INJECTION
62#define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
63
64struct f2fs_fault_info {
65 atomic_t inject_ops;
66 unsigned int inject_rate;
67 unsigned int inject_type;
68};
69
70extern const char *f2fs_fault_name[FAULT_MAX];
71#define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
72#endif
73
74
75
76
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_DATA_FLUSH 0x00008000
91#define F2FS_MOUNT_FAULT_INJECTION 0x00010000
92#define F2FS_MOUNT_USRQUOTA 0x00080000
93#define F2FS_MOUNT_GRPQUOTA 0x00100000
94#define F2FS_MOUNT_PRJQUOTA 0x00200000
95#define F2FS_MOUNT_QUOTA 0x00400000
96#define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
97#define F2FS_MOUNT_RESERVE_ROOT 0x01000000
98#define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
99#define F2FS_MOUNT_NORECOVERY 0x04000000
100#define F2FS_MOUNT_ATGC 0x08000000
101#define F2FS_MOUNT_MERGE_CHECKPOINT 0x10000000
102#define F2FS_MOUNT_GC_MERGE 0x20000000
103#define F2FS_MOUNT_COMPRESS_CACHE 0x40000000
104
105#define F2FS_OPTION(sbi) ((sbi)->mount_opt)
106#define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
107#define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
108#define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
109
110#define ver_after(a, b) (typecheck(unsigned long long, a) && \
111 typecheck(unsigned long long, b) && \
112 ((long long)((a) - (b)) > 0))
113
114typedef u32 block_t;
115
116
117
118typedef u32 nid_t;
119
120#define COMPRESS_EXT_NUM 16
121
122struct f2fs_mount_info {
123 unsigned int opt;
124 int write_io_size_bits;
125 block_t root_reserved_blocks;
126 kuid_t s_resuid;
127 kgid_t s_resgid;
128 int active_logs;
129 int inline_xattr_size;
130#ifdef CONFIG_F2FS_FAULT_INJECTION
131 struct f2fs_fault_info fault_info;
132#endif
133#ifdef CONFIG_QUOTA
134
135 char *s_qf_names[MAXQUOTAS];
136 int s_jquota_fmt;
137#endif
138
139 int whint_mode;
140 int alloc_mode;
141 int fsync_mode;
142 int fs_mode;
143 int bggc_mode;
144 int discard_unit;
145
146
147
148
149 struct fscrypt_dummy_policy dummy_enc_policy;
150 block_t unusable_cap_perc;
151 block_t unusable_cap;
152
153
154
155
156 unsigned char compress_algorithm;
157 unsigned char compress_log_size;
158 unsigned char compress_level;
159 bool compress_chksum;
160 unsigned char compress_ext_cnt;
161 unsigned char nocompress_ext_cnt;
162 int compress_mode;
163 unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN];
164 unsigned char noextensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN];
165};
166
167#define F2FS_FEATURE_ENCRYPT 0x0001
168#define F2FS_FEATURE_BLKZONED 0x0002
169#define F2FS_FEATURE_ATOMIC_WRITE 0x0004
170#define F2FS_FEATURE_EXTRA_ATTR 0x0008
171#define F2FS_FEATURE_PRJQUOTA 0x0010
172#define F2FS_FEATURE_INODE_CHKSUM 0x0020
173#define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
174#define F2FS_FEATURE_QUOTA_INO 0x0080
175#define F2FS_FEATURE_INODE_CRTIME 0x0100
176#define F2FS_FEATURE_LOST_FOUND 0x0200
177#define F2FS_FEATURE_VERITY 0x0400
178#define F2FS_FEATURE_SB_CHKSUM 0x0800
179#define F2FS_FEATURE_CASEFOLD 0x1000
180#define F2FS_FEATURE_COMPRESSION 0x2000
181#define F2FS_FEATURE_RO 0x4000
182
183#define __F2FS_HAS_FEATURE(raw_super, mask) \
184 ((raw_super->feature & cpu_to_le32(mask)) != 0)
185#define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
186#define F2FS_SET_FEATURE(sbi, mask) \
187 (sbi->raw_super->feature |= cpu_to_le32(mask))
188#define F2FS_CLEAR_FEATURE(sbi, mask) \
189 (sbi->raw_super->feature &= ~cpu_to_le32(mask))
190
191
192
193
194#define F2FS_DEF_RESUID 0
195#define F2FS_DEF_RESGID 0
196
197
198
199
200enum {
201 NAT_BITMAP,
202 SIT_BITMAP
203};
204
205#define CP_UMOUNT 0x00000001
206#define CP_FASTBOOT 0x00000002
207#define CP_SYNC 0x00000004
208#define CP_RECOVERY 0x00000008
209#define CP_DISCARD 0x00000010
210#define CP_TRIMMED 0x00000020
211#define CP_PAUSE 0x00000040
212#define CP_RESIZE 0x00000080
213
214#define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
215#define DEF_MAX_DISCARD_REQUEST 8
216#define DEF_MIN_DISCARD_ISSUE_TIME 50
217#define DEF_MID_DISCARD_ISSUE_TIME 500
218#define DEF_MAX_DISCARD_ISSUE_TIME 60000
219#define DEF_DISCARD_URGENT_UTIL 80
220#define DEF_CP_INTERVAL 60
221#define DEF_IDLE_INTERVAL 5
222#define DEF_DISABLE_INTERVAL 5
223#define DEF_DISABLE_QUICK_INTERVAL 1
224#define DEF_UMOUNT_DISCARD_TIMEOUT 5
225
226struct cp_control {
227 int reason;
228 __u64 trim_start;
229 __u64 trim_end;
230 __u64 trim_minlen;
231};
232
233
234
235
236enum {
237 META_CP,
238 META_NAT,
239 META_SIT,
240 META_SSA,
241 META_MAX,
242 META_POR,
243 DATA_GENERIC,
244 DATA_GENERIC_ENHANCE,
245 DATA_GENERIC_ENHANCE_READ,
246
247
248
249
250
251 META_GENERIC,
252};
253
254
255enum {
256 ORPHAN_INO,
257 APPEND_INO,
258 UPDATE_INO,
259 TRANS_DIR_INO,
260 FLUSH_INO,
261 MAX_INO_ENTRY,
262};
263
264struct ino_entry {
265 struct list_head list;
266 nid_t ino;
267 unsigned int dirty_device;
268};
269
270
271struct inode_entry {
272 struct list_head list;
273 struct inode *inode;
274};
275
276struct fsync_node_entry {
277 struct list_head list;
278 struct page *page;
279 unsigned int seq_id;
280};
281
282struct ckpt_req {
283 struct completion wait;
284 struct llist_node llnode;
285 int ret;
286 ktime_t queue_time;
287};
288
289struct ckpt_req_control {
290 struct task_struct *f2fs_issue_ckpt;
291 int ckpt_thread_ioprio;
292 wait_queue_head_t ckpt_wait_queue;
293 atomic_t issued_ckpt;
294 atomic_t total_ckpt;
295 atomic_t queued_ckpt;
296 struct llist_head issue_list;
297 spinlock_t stat_lock;
298 unsigned int cur_time;
299 unsigned int peak_time;
300};
301
302
303struct discard_entry {
304 struct list_head list;
305 block_t start_blkaddr;
306 unsigned char discard_map[SIT_VBLOCK_MAP_SIZE];
307};
308
309
310#define DEFAULT_DISCARD_GRANULARITY 16
311
312
313#define MAX_PLIST_NUM 512
314#define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
315 (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
316
317enum {
318 D_PREP,
319 D_PARTIAL,
320 D_SUBMIT,
321 D_DONE,
322};
323
324struct discard_info {
325 block_t lstart;
326 block_t len;
327 block_t start;
328};
329
330struct discard_cmd {
331 struct rb_node rb_node;
332 union {
333 struct {
334 block_t lstart;
335 block_t len;
336 block_t start;
337 };
338 struct discard_info di;
339
340 };
341 struct list_head list;
342 struct completion wait;
343 struct block_device *bdev;
344 unsigned short ref;
345 unsigned char state;
346 unsigned char queued;
347 int error;
348 spinlock_t lock;
349 unsigned short bio_ref;
350};
351
352enum {
353 DPOLICY_BG,
354 DPOLICY_FORCE,
355 DPOLICY_FSTRIM,
356 DPOLICY_UMOUNT,
357 MAX_DPOLICY,
358};
359
360struct discard_policy {
361 int type;
362 unsigned int min_interval;
363 unsigned int mid_interval;
364 unsigned int max_interval;
365 unsigned int max_requests;
366 unsigned int io_aware_gran;
367 bool io_aware;
368 bool sync;
369 bool ordered;
370 bool timeout;
371 unsigned int granularity;
372};
373
374struct discard_cmd_control {
375 struct task_struct *f2fs_issue_discard;
376 struct list_head entry_list;
377 struct list_head pend_list[MAX_PLIST_NUM];
378 struct list_head wait_list;
379 struct list_head fstrim_list;
380 wait_queue_head_t discard_wait_queue;
381 unsigned int discard_wake;
382 struct mutex cmd_lock;
383 unsigned int nr_discards;
384 unsigned int max_discards;
385 unsigned int discard_granularity;
386 unsigned int undiscard_blks;
387 unsigned int next_pos;
388 atomic_t issued_discard;
389 atomic_t queued_discard;
390 atomic_t discard_cmd_cnt;
391 struct rb_root_cached root;
392 bool rbtree_check;
393};
394
395
396struct fsync_inode_entry {
397 struct list_head list;
398 struct inode *inode;
399 block_t blkaddr;
400 block_t last_dentry;
401};
402
403#define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
404#define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
405
406#define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
407#define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
408#define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
409#define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
410
411#define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
412#define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
413
414static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i)
415{
416 int before = nats_in_cursum(journal);
417
418 journal->n_nats = cpu_to_le16(before + i);
419 return before;
420}
421
422static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i)
423{
424 int before = sits_in_cursum(journal);
425
426 journal->n_sits = cpu_to_le16(before + i);
427 return before;
428}
429
430static inline bool __has_cursum_space(struct f2fs_journal *journal,
431 int size, int type)
432{
433 if (type == NAT_JOURNAL)
434 return size <= MAX_NAT_JENTRIES(journal);
435 return size <= MAX_SIT_JENTRIES(journal);
436}
437
438
439#define DEF_INLINE_RESERVED_SIZE 1
440static inline int get_extra_isize(struct inode *inode);
441static inline int get_inline_xattr_addrs(struct inode *inode);
442#define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
443 (CUR_ADDRS_PER_INODE(inode) - \
444 get_inline_xattr_addrs(inode) - \
445 DEF_INLINE_RESERVED_SIZE))
446
447
448#define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
449 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
450 BITS_PER_BYTE + 1))
451#define INLINE_DENTRY_BITMAP_SIZE(inode) \
452 DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
453#define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
454 ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
455 NR_INLINE_DENTRY(inode) + \
456 INLINE_DENTRY_BITMAP_SIZE(inode)))
457
458
459
460
461
462
463struct f2fs_filename {
464
465
466
467
468
469 const struct qstr *usr_fname;
470
471
472
473
474
475 struct fscrypt_str disk_name;
476
477
478 f2fs_hash_t hash;
479
480#ifdef CONFIG_FS_ENCRYPTION
481
482
483
484
485 struct fscrypt_str crypto_buf;
486#endif
487#ifdef CONFIG_UNICODE
488
489
490
491
492
493
494
495
496 struct fscrypt_str cf_name;
497#endif
498};
499
500struct f2fs_dentry_ptr {
501 struct inode *inode;
502 void *bitmap;
503 struct f2fs_dir_entry *dentry;
504 __u8 (*filename)[F2FS_SLOT_LEN];
505 int max;
506 int nr_bitmap;
507};
508
509static inline void make_dentry_ptr_block(struct inode *inode,
510 struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t)
511{
512 d->inode = inode;
513 d->max = NR_DENTRY_IN_BLOCK;
514 d->nr_bitmap = SIZE_OF_DENTRY_BITMAP;
515 d->bitmap = t->dentry_bitmap;
516 d->dentry = t->dentry;
517 d->filename = t->filename;
518}
519
520static inline void make_dentry_ptr_inline(struct inode *inode,
521 struct f2fs_dentry_ptr *d, void *t)
522{
523 int entry_cnt = NR_INLINE_DENTRY(inode);
524 int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode);
525 int reserved_size = INLINE_RESERVED_SIZE(inode);
526
527 d->inode = inode;
528 d->max = entry_cnt;
529 d->nr_bitmap = bitmap_size;
530 d->bitmap = t;
531 d->dentry = t + bitmap_size + reserved_size;
532 d->filename = t + bitmap_size + reserved_size +
533 SIZE_OF_DIR_ENTRY * entry_cnt;
534}
535
536
537
538
539
540
541#define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
542 >> OFFSET_BIT_SHIFT)
543enum {
544 ALLOC_NODE,
545 LOOKUP_NODE,
546 LOOKUP_NODE_RA,
547
548
549
550};
551
552#define DEFAULT_RETRY_IO_COUNT 8
553
554
555#define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20))
556
557
558#define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
559
560#define F2FS_LINK_MAX 0xffffffff
561
562#define MAX_DIR_RA_PAGES 4
563
564
565#define F2FS_MIN_EXTENT_LEN 64
566
567
568#define EXTENT_CACHE_SHRINK_NUMBER 128
569
570struct rb_entry {
571 struct rb_node rb_node;
572 union {
573 struct {
574 unsigned int ofs;
575 unsigned int len;
576 };
577 unsigned long long key;
578 } __packed;
579};
580
581struct extent_info {
582 unsigned int fofs;
583 unsigned int len;
584 u32 blk;
585#ifdef CONFIG_F2FS_FS_COMPRESSION
586 unsigned int c_len;
587#endif
588};
589
590struct extent_node {
591 struct rb_node rb_node;
592 struct extent_info ei;
593 struct list_head list;
594 struct extent_tree *et;
595};
596
597struct extent_tree {
598 nid_t ino;
599 struct rb_root_cached root;
600 struct extent_node *cached_en;
601 struct extent_info largest;
602 struct list_head list;
603 rwlock_t lock;
604 atomic_t node_cnt;
605 bool largest_updated;
606};
607
608
609
610
611
612
613#define F2FS_MAP_NEW (1 << BH_New)
614#define F2FS_MAP_MAPPED (1 << BH_Mapped)
615#define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
616#define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
617 F2FS_MAP_UNWRITTEN)
618
619struct f2fs_map_blocks {
620 block_t m_pblk;
621 block_t m_lblk;
622 unsigned int m_len;
623 unsigned int m_flags;
624 pgoff_t *m_next_pgofs;
625 pgoff_t *m_next_extent;
626 int m_seg_type;
627 bool m_may_create;
628};
629
630
631enum {
632 F2FS_GET_BLOCK_DEFAULT,
633 F2FS_GET_BLOCK_FIEMAP,
634 F2FS_GET_BLOCK_BMAP,
635 F2FS_GET_BLOCK_DIO,
636 F2FS_GET_BLOCK_PRE_DIO,
637 F2FS_GET_BLOCK_PRE_AIO,
638 F2FS_GET_BLOCK_PRECACHE,
639};
640
641
642
643
644#define FADVISE_COLD_BIT 0x01
645#define FADVISE_LOST_PINO_BIT 0x02
646#define FADVISE_ENCRYPT_BIT 0x04
647#define FADVISE_ENC_NAME_BIT 0x08
648#define FADVISE_KEEP_SIZE_BIT 0x10
649#define FADVISE_HOT_BIT 0x20
650#define FADVISE_VERITY_BIT 0x40
651
652#define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
653
654#define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
655#define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
656#define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
657
658#define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
659#define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
660#define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
661
662#define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
663#define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
664
665#define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
666#define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
667
668#define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
669#define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
670
671#define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
672#define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
673#define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
674
675#define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
676#define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
677
678#define DEF_DIR_LEVEL 0
679
680enum {
681 GC_FAILURE_PIN,
682 GC_FAILURE_ATOMIC,
683 MAX_GC_FAILURE
684};
685
686
687enum {
688 FI_NEW_INODE,
689 FI_DIRTY_INODE,
690 FI_AUTO_RECOVER,
691 FI_DIRTY_DIR,
692 FI_INC_LINK,
693 FI_ACL_MODE,
694 FI_NO_ALLOC,
695 FI_FREE_NID,
696 FI_NO_EXTENT,
697 FI_INLINE_XATTR,
698 FI_INLINE_DATA,
699 FI_INLINE_DENTRY,
700 FI_APPEND_WRITE,
701 FI_UPDATE_WRITE,
702 FI_NEED_IPU,
703 FI_ATOMIC_FILE,
704 FI_ATOMIC_COMMIT,
705 FI_VOLATILE_FILE,
706 FI_FIRST_BLOCK_WRITTEN,
707 FI_DROP_CACHE,
708 FI_DATA_EXIST,
709 FI_INLINE_DOTS,
710 FI_DO_DEFRAG,
711 FI_DIRTY_FILE,
712 FI_NO_PREALLOC,
713 FI_HOT_DATA,
714 FI_EXTRA_ATTR,
715 FI_PROJ_INHERIT,
716 FI_PIN_FILE,
717 FI_ATOMIC_REVOKE_REQUEST,
718 FI_VERITY_IN_PROGRESS,
719 FI_COMPRESSED_FILE,
720 FI_COMPRESS_CORRUPT,
721 FI_MMAP_FILE,
722 FI_ENABLE_COMPRESS,
723 FI_COMPRESS_RELEASED,
724 FI_ALIGNED_WRITE,
725 FI_MAX,
726};
727
728struct f2fs_inode_info {
729 struct inode vfs_inode;
730 unsigned long i_flags;
731 unsigned char i_advise;
732 unsigned char i_dir_level;
733 unsigned int i_current_depth;
734
735 unsigned int i_gc_failures[MAX_GC_FAILURE];
736 unsigned int i_pino;
737 umode_t i_acl_mode;
738
739
740 unsigned long flags[BITS_TO_LONGS(FI_MAX)];
741 struct rw_semaphore i_sem;
742 atomic_t dirty_pages;
743 f2fs_hash_t chash;
744 unsigned int clevel;
745 struct task_struct *task;
746 struct task_struct *cp_task;
747 nid_t i_xattr_nid;
748 loff_t last_disk_size;
749 spinlock_t i_size_lock;
750
751#ifdef CONFIG_QUOTA
752 struct dquot *i_dquot[MAXQUOTAS];
753
754
755 qsize_t i_reserved_quota;
756#endif
757 struct list_head dirty_list;
758 struct list_head gdirty_list;
759 struct list_head inmem_ilist;
760 struct list_head inmem_pages;
761 struct task_struct *inmem_task;
762 struct mutex inmem_lock;
763 struct extent_tree *extent_tree;
764
765
766 struct rw_semaphore i_gc_rwsem[2];
767 struct rw_semaphore i_xattr_sem;
768
769 int i_extra_isize;
770 kprojid_t i_projid;
771 int i_inline_xattr_size;
772 struct timespec64 i_crtime;
773 struct timespec64 i_disk_time[4];
774
775
776 atomic_t i_compr_blocks;
777 unsigned char i_compress_algorithm;
778 unsigned char i_log_cluster_size;
779 unsigned char i_compress_level;
780 unsigned short i_compress_flag;
781 unsigned int i_cluster_size;
782};
783
784static inline void get_extent_info(struct extent_info *ext,
785 struct f2fs_extent *i_ext)
786{
787 ext->fofs = le32_to_cpu(i_ext->fofs);
788 ext->blk = le32_to_cpu(i_ext->blk);
789 ext->len = le32_to_cpu(i_ext->len);
790}
791
792static inline void set_raw_extent(struct extent_info *ext,
793 struct f2fs_extent *i_ext)
794{
795 i_ext->fofs = cpu_to_le32(ext->fofs);
796 i_ext->blk = cpu_to_le32(ext->blk);
797 i_ext->len = cpu_to_le32(ext->len);
798}
799
800static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
801 u32 blk, unsigned int len)
802{
803 ei->fofs = fofs;
804 ei->blk = blk;
805 ei->len = len;
806#ifdef CONFIG_F2FS_FS_COMPRESSION
807 ei->c_len = 0;
808#endif
809}
810
811static inline bool __is_discard_mergeable(struct discard_info *back,
812 struct discard_info *front, unsigned int max_len)
813{
814 return (back->lstart + back->len == front->lstart) &&
815 (back->len + front->len <= max_len);
816}
817
818static inline bool __is_discard_back_mergeable(struct discard_info *cur,
819 struct discard_info *back, unsigned int max_len)
820{
821 return __is_discard_mergeable(back, cur, max_len);
822}
823
824static inline bool __is_discard_front_mergeable(struct discard_info *cur,
825 struct discard_info *front, unsigned int max_len)
826{
827 return __is_discard_mergeable(cur, front, max_len);
828}
829
830static inline bool __is_extent_mergeable(struct extent_info *back,
831 struct extent_info *front)
832{
833#ifdef CONFIG_F2FS_FS_COMPRESSION
834 if (back->c_len && back->len != back->c_len)
835 return false;
836 if (front->c_len && front->len != front->c_len)
837 return false;
838#endif
839 return (back->fofs + back->len == front->fofs &&
840 back->blk + back->len == front->blk);
841}
842
843static inline bool __is_back_mergeable(struct extent_info *cur,
844 struct extent_info *back)
845{
846 return __is_extent_mergeable(back, cur);
847}
848
849static inline bool __is_front_mergeable(struct extent_info *cur,
850 struct extent_info *front)
851{
852 return __is_extent_mergeable(cur, front);
853}
854
855extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
856static inline void __try_update_largest_extent(struct extent_tree *et,
857 struct extent_node *en)
858{
859 if (en->ei.len > et->largest.len) {
860 et->largest = en->ei;
861 et->largest_updated = true;
862 }
863}
864
865
866
867
868enum nid_state {
869 FREE_NID,
870 PREALLOC_NID,
871 MAX_NID_STATE,
872};
873
874enum nat_state {
875 TOTAL_NAT,
876 DIRTY_NAT,
877 RECLAIMABLE_NAT,
878 MAX_NAT_STATE,
879};
880
881struct f2fs_nm_info {
882 block_t nat_blkaddr;
883 nid_t max_nid;
884 nid_t available_nids;
885 nid_t next_scan_nid;
886 unsigned int ram_thresh;
887 unsigned int ra_nid_pages;
888 unsigned int dirty_nats_ratio;
889
890
891 struct radix_tree_root nat_root;
892 struct radix_tree_root nat_set_root;
893 struct rw_semaphore nat_tree_lock;
894 struct list_head nat_entries;
895 spinlock_t nat_list_lock;
896 unsigned int nat_cnt[MAX_NAT_STATE];
897 unsigned int nat_blocks;
898
899
900 struct radix_tree_root free_nid_root;
901 struct list_head free_nid_list;
902 unsigned int nid_cnt[MAX_NID_STATE];
903 spinlock_t nid_list_lock;
904 struct mutex build_lock;
905 unsigned char **free_nid_bitmap;
906 unsigned char *nat_block_bitmap;
907 unsigned short *free_nid_count;
908
909
910 char *nat_bitmap;
911
912 unsigned int nat_bits_blocks;
913 unsigned char *nat_bits;
914 unsigned char *full_nat_bits;
915 unsigned char *empty_nat_bits;
916#ifdef CONFIG_F2FS_CHECK_FS
917 char *nat_bitmap_mir;
918#endif
919 int bitmap_size;
920};
921
922
923
924
925
926
927struct dnode_of_data {
928 struct inode *inode;
929 struct page *inode_page;
930 struct page *node_page;
931 nid_t nid;
932 unsigned int ofs_in_node;
933 bool inode_page_locked;
934 bool node_changed;
935 char cur_level;
936 char max_level;
937 block_t data_blkaddr;
938};
939
940static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
941 struct page *ipage, struct page *npage, nid_t nid)
942{
943 memset(dn, 0, sizeof(*dn));
944 dn->inode = inode;
945 dn->inode_page = ipage;
946 dn->node_page = npage;
947 dn->nid = nid;
948}
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963#define NR_CURSEG_DATA_TYPE (3)
964#define NR_CURSEG_NODE_TYPE (3)
965#define NR_CURSEG_INMEM_TYPE (2)
966#define NR_CURSEG_RO_TYPE (2)
967#define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
968#define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE)
969
970enum {
971 CURSEG_HOT_DATA = 0,
972 CURSEG_WARM_DATA,
973 CURSEG_COLD_DATA,
974 CURSEG_HOT_NODE,
975 CURSEG_WARM_NODE,
976 CURSEG_COLD_NODE,
977 NR_PERSISTENT_LOG,
978 CURSEG_COLD_DATA_PINNED = NR_PERSISTENT_LOG,
979
980 CURSEG_ALL_DATA_ATGC,
981 NO_CHECK_TYPE,
982};
983
984struct flush_cmd {
985 struct completion wait;
986 struct llist_node llnode;
987 nid_t ino;
988 int ret;
989};
990
991struct flush_cmd_control {
992 struct task_struct *f2fs_issue_flush;
993 wait_queue_head_t flush_wait_queue;
994 atomic_t issued_flush;
995 atomic_t queued_flush;
996 struct llist_head issue_list;
997 struct llist_node *dispatch_list;
998};
999
1000struct f2fs_sm_info {
1001 struct sit_info *sit_info;
1002 struct free_segmap_info *free_info;
1003 struct dirty_seglist_info *dirty_info;
1004 struct curseg_info *curseg_array;
1005
1006 struct rw_semaphore curseg_lock;
1007
1008 block_t seg0_blkaddr;
1009 block_t main_blkaddr;
1010 block_t ssa_blkaddr;
1011
1012 unsigned int segment_count;
1013 unsigned int main_segments;
1014 unsigned int reserved_segments;
1015 unsigned int ovp_segments;
1016
1017
1018 unsigned int rec_prefree_segments;
1019
1020
1021 unsigned int trim_sections;
1022
1023 struct list_head sit_entry_set;
1024
1025 unsigned int ipu_policy;
1026 unsigned int min_ipu_util;
1027 unsigned int min_fsync_blocks;
1028 unsigned int min_seq_blocks;
1029 unsigned int min_hot_blocks;
1030 unsigned int min_ssr_sections;
1031
1032
1033 struct flush_cmd_control *fcc_info;
1034
1035
1036 struct discard_cmd_control *dcc_info;
1037};
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048#define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
1049enum count_type {
1050 F2FS_DIRTY_DENTS,
1051 F2FS_DIRTY_DATA,
1052 F2FS_DIRTY_QDATA,
1053 F2FS_DIRTY_NODES,
1054 F2FS_DIRTY_META,
1055 F2FS_INMEM_PAGES,
1056 F2FS_DIRTY_IMETA,
1057 F2FS_WB_CP_DATA,
1058 F2FS_WB_DATA,
1059 F2FS_RD_DATA,
1060 F2FS_RD_NODE,
1061 F2FS_RD_META,
1062 F2FS_DIO_WRITE,
1063 F2FS_DIO_READ,
1064 NR_COUNT_TYPE,
1065};
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078#define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
1079enum page_type {
1080 DATA,
1081 NODE,
1082 META,
1083 NR_PAGE_TYPE,
1084 META_FLUSH,
1085 INMEM,
1086 INMEM_DROP,
1087 INMEM_INVALIDATE,
1088 INMEM_REVOKE,
1089 IPU,
1090 OPU,
1091};
1092
1093enum temp_type {
1094 HOT = 0,
1095 WARM,
1096 COLD,
1097 NR_TEMP_TYPE,
1098};
1099
1100enum need_lock_type {
1101 LOCK_REQ = 0,
1102 LOCK_DONE,
1103 LOCK_RETRY,
1104};
1105
1106enum cp_reason_type {
1107 CP_NO_NEEDED,
1108 CP_NON_REGULAR,
1109 CP_COMPRESSED,
1110 CP_HARDLINK,
1111 CP_SB_NEED_CP,
1112 CP_WRONG_PINO,
1113 CP_NO_SPC_ROLL,
1114 CP_NODE_NEED_CP,
1115 CP_FASTBOOT_MODE,
1116 CP_SPEC_LOG_NUM,
1117 CP_RECOVER_DIR,
1118};
1119
1120enum iostat_type {
1121
1122 APP_DIRECT_IO,
1123 APP_BUFFERED_IO,
1124 APP_WRITE_IO,
1125 APP_MAPPED_IO,
1126 FS_DATA_IO,
1127 FS_NODE_IO,
1128 FS_META_IO,
1129 FS_GC_DATA_IO,
1130 FS_GC_NODE_IO,
1131 FS_CP_DATA_IO,
1132 FS_CP_NODE_IO,
1133 FS_CP_META_IO,
1134
1135
1136 APP_DIRECT_READ_IO,
1137 APP_BUFFERED_READ_IO,
1138 APP_READ_IO,
1139 APP_MAPPED_READ_IO,
1140 FS_DATA_READ_IO,
1141 FS_GDATA_READ_IO,
1142 FS_CDATA_READ_IO,
1143 FS_NODE_READ_IO,
1144 FS_META_READ_IO,
1145
1146
1147 FS_DISCARD,
1148 NR_IO_TYPE,
1149};
1150
1151struct f2fs_io_info {
1152 struct f2fs_sb_info *sbi;
1153 nid_t ino;
1154 enum page_type type;
1155 enum temp_type temp;
1156 int op;
1157 int op_flags;
1158 block_t new_blkaddr;
1159 block_t old_blkaddr;
1160 struct page *page;
1161 struct page *encrypted_page;
1162 struct page *compressed_page;
1163 struct list_head list;
1164 bool submitted;
1165 int need_lock;
1166 bool in_list;
1167 bool is_por;
1168 bool retry;
1169 int compr_blocks;
1170 bool encrypted;
1171 enum iostat_type io_type;
1172 struct writeback_control *io_wbc;
1173 struct bio **bio;
1174 sector_t *last_block;
1175 unsigned char version;
1176};
1177
1178struct bio_entry {
1179 struct bio *bio;
1180 struct list_head list;
1181};
1182
1183#define is_read_io(rw) ((rw) == READ)
1184struct f2fs_bio_info {
1185 struct f2fs_sb_info *sbi;
1186 struct bio *bio;
1187 sector_t last_block_in_bio;
1188 struct f2fs_io_info fio;
1189 struct rw_semaphore io_rwsem;
1190 spinlock_t io_lock;
1191 struct list_head io_list;
1192 struct list_head bio_list;
1193 struct rw_semaphore bio_list_lock;
1194};
1195
1196#define FDEV(i) (sbi->devs[i])
1197#define RDEV(i) (raw_super->devs[i])
1198struct f2fs_dev_info {
1199 struct block_device *bdev;
1200 char path[MAX_PATH_LEN];
1201 unsigned int total_segments;
1202 block_t start_blk;
1203 block_t end_blk;
1204#ifdef CONFIG_BLK_DEV_ZONED
1205 unsigned int nr_blkz;
1206 unsigned long *blkz_seq;
1207 block_t *zone_capacity_blocks;
1208#endif
1209};
1210
1211enum inode_type {
1212 DIR_INODE,
1213 FILE_INODE,
1214 DIRTY_META,
1215 ATOMIC_FILE,
1216 NR_INODE_TYPE,
1217};
1218
1219
1220struct inode_management {
1221 struct radix_tree_root ino_root;
1222 spinlock_t ino_lock;
1223 struct list_head ino_list;
1224 unsigned long ino_num;
1225};
1226
1227
1228struct atgc_management {
1229 bool atgc_enabled;
1230 struct rb_root_cached root;
1231 struct list_head victim_list;
1232 unsigned int victim_count;
1233 unsigned int candidate_ratio;
1234 unsigned int max_candidate_count;
1235 unsigned int age_weight;
1236 unsigned long long age_threshold;
1237};
1238
1239
1240enum {
1241 SBI_IS_DIRTY,
1242 SBI_IS_CLOSE,
1243 SBI_NEED_FSCK,
1244 SBI_POR_DOING,
1245 SBI_NEED_SB_WRITE,
1246 SBI_NEED_CP,
1247 SBI_IS_SHUTDOWN,
1248 SBI_IS_RECOVERED,
1249 SBI_CP_DISABLED,
1250 SBI_CP_DISABLED_QUICK,
1251 SBI_QUOTA_NEED_FLUSH,
1252 SBI_QUOTA_SKIP_FLUSH,
1253 SBI_QUOTA_NEED_REPAIR,
1254 SBI_IS_RESIZEFS,
1255};
1256
1257enum {
1258 CP_TIME,
1259 REQ_TIME,
1260 DISCARD_TIME,
1261 GC_TIME,
1262 DISABLE_TIME,
1263 UMOUNT_DISCARD_TIMEOUT,
1264 MAX_TIME,
1265};
1266
1267enum {
1268 GC_NORMAL,
1269 GC_IDLE_CB,
1270 GC_IDLE_GREEDY,
1271 GC_IDLE_AT,
1272 GC_URGENT_HIGH,
1273 GC_URGENT_LOW,
1274 MAX_GC_MODE,
1275};
1276
1277enum {
1278 BGGC_MODE_ON,
1279 BGGC_MODE_OFF,
1280 BGGC_MODE_SYNC,
1281
1282
1283
1284};
1285
1286enum {
1287 FS_MODE_ADAPTIVE,
1288 FS_MODE_LFS,
1289};
1290
1291enum {
1292 WHINT_MODE_OFF,
1293 WHINT_MODE_USER,
1294 WHINT_MODE_FS,
1295};
1296
1297enum {
1298 ALLOC_MODE_DEFAULT,
1299 ALLOC_MODE_REUSE,
1300};
1301
1302enum fsync_mode {
1303 FSYNC_MODE_POSIX,
1304 FSYNC_MODE_STRICT,
1305 FSYNC_MODE_NOBARRIER,
1306};
1307
1308enum {
1309 COMPR_MODE_FS,
1310
1311
1312
1313 COMPR_MODE_USER,
1314
1315
1316
1317
1318};
1319
1320enum {
1321 DISCARD_UNIT_BLOCK,
1322 DISCARD_UNIT_SEGMENT,
1323 DISCARD_UNIT_SECTION,
1324};
1325
1326static inline int f2fs_test_bit(unsigned int nr, char *addr);
1327static inline void f2fs_set_bit(unsigned int nr, char *addr);
1328static inline void f2fs_clear_bit(unsigned int nr, char *addr);
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346enum {
1347 PAGE_PRIVATE_NOT_POINTER,
1348 PAGE_PRIVATE_ATOMIC_WRITE,
1349 PAGE_PRIVATE_DUMMY_WRITE,
1350 PAGE_PRIVATE_ONGOING_MIGRATION,
1351 PAGE_PRIVATE_INLINE_INODE,
1352 PAGE_PRIVATE_REF_RESOURCE,
1353 PAGE_PRIVATE_MAX
1354};
1355
1356#define PAGE_PRIVATE_GET_FUNC(name, flagname) \
1357static inline bool page_private_##name(struct page *page) \
1358{ \
1359 return PagePrivate(page) && \
1360 test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \
1361 test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
1362}
1363
1364#define PAGE_PRIVATE_SET_FUNC(name, flagname) \
1365static inline void set_page_private_##name(struct page *page) \
1366{ \
1367 if (!PagePrivate(page)) { \
1368 get_page(page); \
1369 SetPagePrivate(page); \
1370 set_page_private(page, 0); \
1371 } \
1372 set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \
1373 set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
1374}
1375
1376#define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \
1377static inline void clear_page_private_##name(struct page *page) \
1378{ \
1379 clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
1380 if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { \
1381 set_page_private(page, 0); \
1382 if (PagePrivate(page)) { \
1383 ClearPagePrivate(page); \
1384 put_page(page); \
1385 }\
1386 } \
1387}
1388
1389PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER);
1390PAGE_PRIVATE_GET_FUNC(reference, REF_RESOURCE);
1391PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE);
1392PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION);
1393PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE);
1394PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE);
1395
1396PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE);
1397PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE);
1398PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION);
1399PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE);
1400PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE);
1401
1402PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE);
1403PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE);
1404PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION);
1405PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE);
1406PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE);
1407
1408static inline unsigned long get_page_private_data(struct page *page)
1409{
1410 unsigned long data = page_private(page);
1411
1412 if (!test_bit(PAGE_PRIVATE_NOT_POINTER, &data))
1413 return 0;
1414 return data >> PAGE_PRIVATE_MAX;
1415}
1416
1417static inline void set_page_private_data(struct page *page, unsigned long data)
1418{
1419 if (!PagePrivate(page)) {
1420 get_page(page);
1421 SetPagePrivate(page);
1422 set_page_private(page, 0);
1423 }
1424 set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page));
1425 page_private(page) |= data << PAGE_PRIVATE_MAX;
1426}
1427
1428static inline void clear_page_private_data(struct page *page)
1429{
1430 page_private(page) &= (1 << PAGE_PRIVATE_MAX) - 1;
1431 if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) {
1432 set_page_private(page, 0);
1433 if (PagePrivate(page)) {
1434 ClearPagePrivate(page);
1435 put_page(page);
1436 }
1437 }
1438}
1439
1440
1441enum compress_algorithm_type {
1442 COMPRESS_LZO,
1443 COMPRESS_LZ4,
1444 COMPRESS_ZSTD,
1445 COMPRESS_LZORLE,
1446 COMPRESS_MAX,
1447};
1448
1449enum compress_flag {
1450 COMPRESS_CHKSUM,
1451 COMPRESS_MAX_FLAG,
1452};
1453
1454#define COMPRESS_WATERMARK 20
1455#define COMPRESS_PERCENT 20
1456
1457#define COMPRESS_DATA_RESERVED_SIZE 4
1458struct compress_data {
1459 __le32 clen;
1460 __le32 chksum;
1461 __le32 reserved[COMPRESS_DATA_RESERVED_SIZE];
1462 u8 cdata[];
1463};
1464
1465#define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
1466
1467#define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
1468
1469#define COMPRESS_LEVEL_OFFSET 8
1470
1471
1472struct compress_ctx {
1473 struct inode *inode;
1474 pgoff_t cluster_idx;
1475 unsigned int cluster_size;
1476 unsigned int log_cluster_size;
1477 struct page **rpages;
1478 unsigned int nr_rpages;
1479 struct page **cpages;
1480 unsigned int nr_cpages;
1481 void *rbuf;
1482 struct compress_data *cbuf;
1483 size_t rlen;
1484 size_t clen;
1485 void *private;
1486 void *private2;
1487};
1488
1489
1490struct compress_io_ctx {
1491 u32 magic;
1492 struct inode *inode;
1493 struct page **rpages;
1494 unsigned int nr_rpages;
1495 atomic_t pending_pages;
1496};
1497
1498
1499struct decompress_io_ctx {
1500 u32 magic;
1501 struct inode *inode;
1502 pgoff_t cluster_idx;
1503 unsigned int cluster_size;
1504 unsigned int log_cluster_size;
1505 struct page **rpages;
1506 unsigned int nr_rpages;
1507 struct page **cpages;
1508 unsigned int nr_cpages;
1509 struct page **tpages;
1510 void *rbuf;
1511 struct compress_data *cbuf;
1512 size_t rlen;
1513 size_t clen;
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525 atomic_t remaining_pages;
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538 refcount_t refcnt;
1539
1540 bool failed;
1541 bool need_verity;
1542 void *private;
1543 void *private2;
1544 struct work_struct verity_work;
1545};
1546
1547#define NULL_CLUSTER ((unsigned int)(~0))
1548#define MIN_COMPRESS_LOG_SIZE 2
1549#define MAX_COMPRESS_LOG_SIZE 8
1550#define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size))
1551
1552struct f2fs_sb_info {
1553 struct super_block *sb;
1554 struct proc_dir_entry *s_proc;
1555 struct f2fs_super_block *raw_super;
1556 struct rw_semaphore sb_lock;
1557 int valid_super_block;
1558 unsigned long s_flag;
1559 struct mutex writepages;
1560
1561#ifdef CONFIG_BLK_DEV_ZONED
1562 unsigned int blocks_per_blkz;
1563 unsigned int log_blocks_per_blkz;
1564#endif
1565
1566
1567 struct f2fs_nm_info *nm_info;
1568 struct inode *node_inode;
1569
1570
1571 struct f2fs_sm_info *sm_info;
1572
1573
1574 struct f2fs_bio_info *write_io[NR_PAGE_TYPE];
1575
1576 struct rw_semaphore io_order_lock;
1577 mempool_t *write_io_dummy;
1578
1579
1580 struct f2fs_checkpoint *ckpt;
1581 int cur_cp_pack;
1582 spinlock_t cp_lock;
1583 struct inode *meta_inode;
1584 struct rw_semaphore cp_global_sem;
1585 struct rw_semaphore cp_rwsem;
1586 struct rw_semaphore node_write;
1587 struct rw_semaphore node_change;
1588 wait_queue_head_t cp_wait;
1589 unsigned long last_time[MAX_TIME];
1590 long interval_time[MAX_TIME];
1591 struct ckpt_req_control cprc_info;
1592
1593 struct inode_management im[MAX_INO_ENTRY];
1594
1595 spinlock_t fsync_node_lock;
1596 struct list_head fsync_node_list;
1597 unsigned int fsync_seg_id;
1598 unsigned int fsync_node_num;
1599
1600
1601 unsigned int max_orphans;
1602
1603
1604 struct list_head inode_list[NR_INODE_TYPE];
1605 spinlock_t inode_lock[NR_INODE_TYPE];
1606 struct mutex flush_lock;
1607
1608
1609 struct radix_tree_root extent_tree_root;
1610 struct mutex extent_tree_lock;
1611 struct list_head extent_list;
1612 spinlock_t extent_lock;
1613 atomic_t total_ext_tree;
1614 struct list_head zombie_list;
1615 atomic_t total_zombie_tree;
1616 atomic_t total_ext_node;
1617
1618
1619 unsigned int log_sectors_per_block;
1620 unsigned int log_blocksize;
1621 unsigned int blocksize;
1622 unsigned int root_ino_num;
1623 unsigned int node_ino_num;
1624 unsigned int meta_ino_num;
1625 unsigned int log_blocks_per_seg;
1626 unsigned int blocks_per_seg;
1627 unsigned int segs_per_sec;
1628 unsigned int secs_per_zone;
1629 unsigned int total_sections;
1630 unsigned int total_node_count;
1631 unsigned int total_valid_node_count;
1632 int dir_level;
1633 int readdir_ra;
1634 u64 max_io_bytes;
1635
1636 block_t user_block_count;
1637 block_t total_valid_block_count;
1638 block_t discard_blks;
1639 block_t last_valid_block_count;
1640 block_t reserved_blocks;
1641 block_t current_reserved_blocks;
1642
1643
1644 block_t unusable_block_count;
1645
1646 unsigned int nquota_files;
1647 struct rw_semaphore quota_sem;
1648
1649
1650 atomic_t nr_pages[NR_COUNT_TYPE];
1651
1652 struct percpu_counter alloc_valid_block_count;
1653
1654
1655 atomic_t wb_sync_req[META];
1656
1657
1658 struct percpu_counter total_valid_inode_count;
1659
1660 struct f2fs_mount_info mount_opt;
1661
1662
1663 struct rw_semaphore gc_lock;
1664
1665
1666
1667 struct f2fs_gc_kthread *gc_thread;
1668 struct atgc_management am;
1669 unsigned int cur_victim_sec;
1670 unsigned int gc_mode;
1671 unsigned int next_victim_seg[2];
1672
1673
1674 unsigned int atomic_files;
1675 unsigned long long skipped_atomic_files[2];
1676 unsigned long long skipped_gc_rwsem;
1677
1678
1679 u64 gc_pin_file_threshold;
1680 struct rw_semaphore pin_sem;
1681
1682
1683 unsigned int max_victim_search;
1684
1685 unsigned int migration_granularity;
1686
1687
1688
1689
1690
1691#ifdef CONFIG_F2FS_STAT_FS
1692 struct f2fs_stat_info *stat_info;
1693 atomic_t meta_count[META_MAX];
1694 unsigned int segment_count[2];
1695 unsigned int block_count[2];
1696 atomic_t inplace_count;
1697 atomic64_t total_hit_ext;
1698 atomic64_t read_hit_rbtree;
1699 atomic64_t read_hit_largest;
1700 atomic64_t read_hit_cached;
1701 atomic_t inline_xattr;
1702 atomic_t inline_inode;
1703 atomic_t inline_dir;
1704 atomic_t compr_inode;
1705 atomic64_t compr_blocks;
1706 atomic_t vw_cnt;
1707 atomic_t max_aw_cnt;
1708 atomic_t max_vw_cnt;
1709 unsigned int io_skip_bggc;
1710 unsigned int other_skip_bggc;
1711 unsigned int ndirty_inode[NR_INODE_TYPE];
1712#endif
1713 spinlock_t stat_lock;
1714
1715
1716 unsigned int data_io_flag;
1717 unsigned int node_io_flag;
1718
1719
1720 struct kobject s_kobj;
1721 struct completion s_kobj_unregister;
1722
1723 struct kobject s_stat_kobj;
1724 struct completion s_stat_kobj_unregister;
1725
1726 struct kobject s_feature_list_kobj;
1727 struct completion s_feature_list_kobj_unregister;
1728
1729
1730 struct list_head s_list;
1731 int s_ndevs;
1732 struct f2fs_dev_info *devs;
1733 unsigned int dirty_device;
1734 spinlock_t dev_lock;
1735 struct mutex umount_mutex;
1736 unsigned int shrinker_run_no;
1737
1738
1739 u64 sectors_written_start;
1740 u64 kbytes_written;
1741
1742
1743 struct crypto_shash *s_chksum_driver;
1744
1745
1746 __u32 s_chksum_seed;
1747
1748 struct workqueue_struct *post_read_wq;
1749
1750 struct kmem_cache *inline_xattr_slab;
1751 unsigned int inline_xattr_slab_size;
1752
1753
1754 unsigned int gc_segment_mode;
1755 unsigned int gc_reclaimed_segs[MAX_GC_MODE];
1756
1757 unsigned long seq_file_ra_mul;
1758
1759#ifdef CONFIG_F2FS_FS_COMPRESSION
1760 struct kmem_cache *page_array_slab;
1761 unsigned int page_array_slab_size;
1762
1763
1764 u64 compr_written_block;
1765 u64 compr_saved_block;
1766 u32 compr_new_inode;
1767
1768
1769 struct inode *compress_inode;
1770 unsigned int compress_percent;
1771 unsigned int compress_watermark;
1772 atomic_t compress_page_hit;
1773#endif
1774
1775#ifdef CONFIG_F2FS_IOSTAT
1776
1777 spinlock_t iostat_lock;
1778 unsigned long long rw_iostat[NR_IO_TYPE];
1779 unsigned long long prev_rw_iostat[NR_IO_TYPE];
1780 bool iostat_enable;
1781 unsigned long iostat_next_period;
1782 unsigned int iostat_period_ms;
1783
1784
1785 spinlock_t iostat_lat_lock;
1786 struct iostat_lat_info *iostat_io_lat;
1787#endif
1788};
1789
1790struct f2fs_private_dio {
1791 struct inode *inode;
1792 void *orig_private;
1793 bio_end_io_t *orig_end_io;
1794 bool write;
1795};
1796
1797#ifdef CONFIG_F2FS_FAULT_INJECTION
1798#define f2fs_show_injection_info(sbi, type) \
1799 printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \
1800 KERN_INFO, sbi->sb->s_id, \
1801 f2fs_fault_name[type], \
1802 __func__, __builtin_return_address(0))
1803static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
1804{
1805 struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
1806
1807 if (!ffi->inject_rate)
1808 return false;
1809
1810 if (!IS_FAULT_SET(ffi, type))
1811 return false;
1812
1813 atomic_inc(&ffi->inject_ops);
1814 if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
1815 atomic_set(&ffi->inject_ops, 0);
1816 return true;
1817 }
1818 return false;
1819}
1820#else
1821#define f2fs_show_injection_info(sbi, type) do { } while (0)
1822static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
1823{
1824 return false;
1825}
1826#endif
1827
1828
1829
1830
1831
1832
1833
1834static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi)
1835{
1836 return sbi->s_ndevs > 1;
1837}
1838
1839static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
1840{
1841 unsigned long now = jiffies;
1842
1843 sbi->last_time[type] = now;
1844
1845
1846 if (type == REQ_TIME) {
1847 sbi->last_time[DISCARD_TIME] = now;
1848 sbi->last_time[GC_TIME] = now;
1849 }
1850}
1851
1852static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type)
1853{
1854 unsigned long interval = sbi->interval_time[type] * HZ;
1855
1856 return time_after(jiffies, sbi->last_time[type] + interval);
1857}
1858
1859static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi,
1860 int type)
1861{
1862 unsigned long interval = sbi->interval_time[type] * HZ;
1863 unsigned int wait_ms = 0;
1864 long delta;
1865
1866 delta = (sbi->last_time[type] + interval) - jiffies;
1867 if (delta > 0)
1868 wait_ms = jiffies_to_msecs(delta);
1869
1870 return wait_ms;
1871}
1872
1873
1874
1875
1876static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc,
1877 const void *address, unsigned int length)
1878{
1879 struct {
1880 struct shash_desc shash;
1881 char ctx[4];
1882 } desc;
1883 int err;
1884
1885 BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx));
1886
1887 desc.shash.tfm = sbi->s_chksum_driver;
1888 *(u32 *)desc.ctx = crc;
1889
1890 err = crypto_shash_update(&desc.shash, address, length);
1891 BUG_ON(err);
1892
1893 return *(u32 *)desc.ctx;
1894}
1895
1896static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address,
1897 unsigned int length)
1898{
1899 return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length);
1900}
1901
1902static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc,
1903 void *buf, size_t buf_size)
1904{
1905 return f2fs_crc32(sbi, buf, buf_size) == blk_crc;
1906}
1907
1908static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc,
1909 const void *address, unsigned int length)
1910{
1911 return __f2fs_crc32(sbi, crc, address, length);
1912}
1913
1914static inline struct f2fs_inode_info *F2FS_I(struct inode *inode)
1915{
1916 return container_of(inode, struct f2fs_inode_info, vfs_inode);
1917}
1918
1919static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb)
1920{
1921 return sb->s_fs_info;
1922}
1923
1924static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode)
1925{
1926 return F2FS_SB(inode->i_sb);
1927}
1928
1929static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping)
1930{
1931 return F2FS_I_SB(mapping->host);
1932}
1933
1934static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page)
1935{
1936 return F2FS_M_SB(page_file_mapping(page));
1937}
1938
1939static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi)
1940{
1941 return (struct f2fs_super_block *)(sbi->raw_super);
1942}
1943
1944static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi)
1945{
1946 return (struct f2fs_checkpoint *)(sbi->ckpt);
1947}
1948
1949static inline struct f2fs_node *F2FS_NODE(struct page *page)
1950{
1951 return (struct f2fs_node *)page_address(page);
1952}
1953
1954static inline struct f2fs_inode *F2FS_INODE(struct page *page)
1955{
1956 return &((struct f2fs_node *)page_address(page))->i;
1957}
1958
1959static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
1960{
1961 return (struct f2fs_nm_info *)(sbi->nm_info);
1962}
1963
1964static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi)
1965{
1966 return (struct f2fs_sm_info *)(sbi->sm_info);
1967}
1968
1969static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi)
1970{
1971 return (struct sit_info *)(SM_I(sbi)->sit_info);
1972}
1973
1974static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi)
1975{
1976 return (struct free_segmap_info *)(SM_I(sbi)->free_info);
1977}
1978
1979static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi)
1980{
1981 return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info);
1982}
1983
1984static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi)
1985{
1986 return sbi->meta_inode->i_mapping;
1987}
1988
1989static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi)
1990{
1991 return sbi->node_inode->i_mapping;
1992}
1993
1994static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type)
1995{
1996 return test_bit(type, &sbi->s_flag);
1997}
1998
1999static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
2000{
2001 set_bit(type, &sbi->s_flag);
2002}
2003
2004static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
2005{
2006 clear_bit(type, &sbi->s_flag);
2007}
2008
2009static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
2010{
2011 return le64_to_cpu(cp->checkpoint_ver);
2012}
2013
2014static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type)
2015{
2016 if (type < F2FS_MAX_QUOTAS)
2017 return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]);
2018 return 0;
2019}
2020
2021static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp)
2022{
2023 size_t crc_offset = le32_to_cpu(cp->checksum_offset);
2024 return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset)));
2025}
2026
2027static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
2028{
2029 unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
2030
2031 return ckpt_flags & f;
2032}
2033
2034static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
2035{
2036 return __is_set_ckpt_flags(F2FS_CKPT(sbi), f);
2037}
2038
2039static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
2040{
2041 unsigned int ckpt_flags;
2042
2043 ckpt_flags = le32_to_cpu(cp->ckpt_flags);
2044 ckpt_flags |= f;
2045 cp->ckpt_flags = cpu_to_le32(ckpt_flags);
2046}
2047
2048static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
2049{
2050 unsigned long flags;
2051
2052 spin_lock_irqsave(&sbi->cp_lock, flags);
2053 __set_ckpt_flags(F2FS_CKPT(sbi), f);
2054 spin_unlock_irqrestore(&sbi->cp_lock, flags);
2055}
2056
2057static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
2058{
2059 unsigned int ckpt_flags;
2060
2061 ckpt_flags = le32_to_cpu(cp->ckpt_flags);
2062 ckpt_flags &= (~f);
2063 cp->ckpt_flags = cpu_to_le32(ckpt_flags);
2064}
2065
2066static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
2067{
2068 unsigned long flags;
2069
2070 spin_lock_irqsave(&sbi->cp_lock, flags);
2071 __clear_ckpt_flags(F2FS_CKPT(sbi), f);
2072 spin_unlock_irqrestore(&sbi->cp_lock, flags);
2073}
2074
2075static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
2076{
2077 down_read(&sbi->cp_rwsem);
2078}
2079
2080static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi)
2081{
2082 return down_read_trylock(&sbi->cp_rwsem);
2083}
2084
2085static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi)
2086{
2087 up_read(&sbi->cp_rwsem);
2088}
2089
2090static inline void f2fs_lock_all(struct f2fs_sb_info *sbi)
2091{
2092 down_write(&sbi->cp_rwsem);
2093}
2094
2095static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi)
2096{
2097 up_write(&sbi->cp_rwsem);
2098}
2099
2100static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
2101{
2102 int reason = CP_SYNC;
2103
2104 if (test_opt(sbi, FASTBOOT))
2105 reason = CP_FASTBOOT;
2106 if (is_sbi_flag_set(sbi, SBI_IS_CLOSE))
2107 reason = CP_UMOUNT;
2108 return reason;
2109}
2110
2111static inline bool __remain_node_summaries(int reason)
2112{
2113 return (reason & (CP_UMOUNT | CP_FASTBOOT));
2114}
2115
2116static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi)
2117{
2118 return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) ||
2119 is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG));
2120}
2121
2122
2123
2124
2125static inline int F2FS_HAS_BLOCKS(struct inode *inode)
2126{
2127 block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0;
2128
2129 return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block;
2130}
2131
2132static inline bool f2fs_has_xattr_block(unsigned int ofs)
2133{
2134 return ofs == XATTR_NODE_OFFSET;
2135}
2136
2137static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
2138 struct inode *inode, bool cap)
2139{
2140 if (!inode)
2141 return true;
2142 if (!test_opt(sbi, RESERVE_ROOT))
2143 return false;
2144 if (IS_NOQUOTA(inode))
2145 return true;
2146 if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid()))
2147 return true;
2148 if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) &&
2149 in_group_p(F2FS_OPTION(sbi).s_resgid))
2150 return true;
2151 if (cap && capable(CAP_SYS_RESOURCE))
2152 return true;
2153 return false;
2154}
2155
2156static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool);
2157static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
2158 struct inode *inode, blkcnt_t *count)
2159{
2160 blkcnt_t diff = 0, release = 0;
2161 block_t avail_user_block_count;
2162 int ret;
2163
2164 ret = dquot_reserve_block(inode, *count);
2165 if (ret)
2166 return ret;
2167
2168 if (time_to_inject(sbi, FAULT_BLOCK)) {
2169 f2fs_show_injection_info(sbi, FAULT_BLOCK);
2170 release = *count;
2171 goto release_quota;
2172 }
2173
2174
2175
2176
2177
2178 percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
2179
2180 spin_lock(&sbi->stat_lock);
2181 sbi->total_valid_block_count += (block_t)(*count);
2182 avail_user_block_count = sbi->user_block_count -
2183 sbi->current_reserved_blocks;
2184
2185 if (!__allow_reserved_blocks(sbi, inode, true))
2186 avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
2187 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
2188 if (avail_user_block_count > sbi->unusable_block_count)
2189 avail_user_block_count -= sbi->unusable_block_count;
2190 else
2191 avail_user_block_count = 0;
2192 }
2193 if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) {
2194 diff = sbi->total_valid_block_count - avail_user_block_count;
2195 if (diff > *count)
2196 diff = *count;
2197 *count -= diff;
2198 release = diff;
2199 sbi->total_valid_block_count -= diff;
2200 if (!*count) {
2201 spin_unlock(&sbi->stat_lock);
2202 goto enospc;
2203 }
2204 }
2205 spin_unlock(&sbi->stat_lock);
2206
2207 if (unlikely(release)) {
2208 percpu_counter_sub(&sbi->alloc_valid_block_count, release);
2209 dquot_release_reservation_block(inode, release);
2210 }
2211 f2fs_i_blocks_write(inode, *count, true, true);
2212 return 0;
2213
2214enospc:
2215 percpu_counter_sub(&sbi->alloc_valid_block_count, release);
2216release_quota:
2217 dquot_release_reservation_block(inode, release);
2218 return -ENOSPC;
2219}
2220
2221__printf(2, 3)
2222void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...);
2223
2224#define f2fs_err(sbi, fmt, ...) \
2225 f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
2226#define f2fs_warn(sbi, fmt, ...) \
2227 f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
2228#define f2fs_notice(sbi, fmt, ...) \
2229 f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
2230#define f2fs_info(sbi, fmt, ...) \
2231 f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
2232#define f2fs_debug(sbi, fmt, ...) \
2233 f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
2234
2235static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
2236 struct inode *inode,
2237 block_t count)
2238{
2239 blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK;
2240
2241 spin_lock(&sbi->stat_lock);
2242 f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);
2243 sbi->total_valid_block_count -= (block_t)count;
2244 if (sbi->reserved_blocks &&
2245 sbi->current_reserved_blocks < sbi->reserved_blocks)
2246 sbi->current_reserved_blocks = min(sbi->reserved_blocks,
2247 sbi->current_reserved_blocks + count);
2248 spin_unlock(&sbi->stat_lock);
2249 if (unlikely(inode->i_blocks < sectors)) {
2250 f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
2251 inode->i_ino,
2252 (unsigned long long)inode->i_blocks,
2253 (unsigned long long)sectors);
2254 set_sbi_flag(sbi, SBI_NEED_FSCK);
2255 return;
2256 }
2257 f2fs_i_blocks_write(inode, count, false, true);
2258}
2259
2260static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
2261{
2262 atomic_inc(&sbi->nr_pages[count_type]);
2263
2264 if (count_type == F2FS_DIRTY_DENTS ||
2265 count_type == F2FS_DIRTY_NODES ||
2266 count_type == F2FS_DIRTY_META ||
2267 count_type == F2FS_DIRTY_QDATA ||
2268 count_type == F2FS_DIRTY_IMETA)
2269 set_sbi_flag(sbi, SBI_IS_DIRTY);
2270}
2271
2272static inline void inode_inc_dirty_pages(struct inode *inode)
2273{
2274 atomic_inc(&F2FS_I(inode)->dirty_pages);
2275 inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
2276 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
2277 if (IS_NOQUOTA(inode))
2278 inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
2279}
2280
2281static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
2282{
2283 atomic_dec(&sbi->nr_pages[count_type]);
2284}
2285
2286static inline void inode_dec_dirty_pages(struct inode *inode)
2287{
2288 if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
2289 !S_ISLNK(inode->i_mode))
2290 return;
2291
2292 atomic_dec(&F2FS_I(inode)->dirty_pages);
2293 dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
2294 F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
2295 if (IS_NOQUOTA(inode))
2296 dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
2297}
2298
2299static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
2300{
2301 return atomic_read(&sbi->nr_pages[count_type]);
2302}
2303
2304static inline int get_dirty_pages(struct inode *inode)
2305{
2306 return atomic_read(&F2FS_I(inode)->dirty_pages);
2307}
2308
2309static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
2310{
2311 unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
2312 unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
2313 sbi->log_blocks_per_seg;
2314
2315 return segs / sbi->segs_per_sec;
2316}
2317
2318static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
2319{
2320 return sbi->total_valid_block_count;
2321}
2322
2323static inline block_t discard_blocks(struct f2fs_sb_info *sbi)
2324{
2325 return sbi->discard_blks;
2326}
2327
2328static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag)
2329{
2330 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
2331
2332
2333 if (flag == NAT_BITMAP)
2334 return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
2335 else if (flag == SIT_BITMAP)
2336 return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
2337
2338 return 0;
2339}
2340
2341static inline block_t __cp_payload(struct f2fs_sb_info *sbi)
2342{
2343 return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
2344}
2345
2346static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
2347{
2348 struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
2349 void *tmp_ptr = &ckpt->sit_nat_version_bitmap;
2350 int offset;
2351
2352 if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
2353 offset = (flag == SIT_BITMAP) ?
2354 le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0;
2355
2356
2357
2358
2359 return tmp_ptr + offset + sizeof(__le32);
2360 }
2361
2362 if (__cp_payload(sbi) > 0) {
2363 if (flag == NAT_BITMAP)
2364 return &ckpt->sit_nat_version_bitmap;
2365 else
2366 return (unsigned char *)ckpt + F2FS_BLKSIZE;
2367 } else {
2368 offset = (flag == NAT_BITMAP) ?
2369 le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
2370 return tmp_ptr + offset;
2371 }
2372}
2373
2374static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
2375{
2376 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
2377
2378 if (sbi->cur_cp_pack == 2)
2379 start_addr += sbi->blocks_per_seg;
2380 return start_addr;
2381}
2382
2383static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
2384{
2385 block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
2386
2387 if (sbi->cur_cp_pack == 1)
2388 start_addr += sbi->blocks_per_seg;
2389 return start_addr;
2390}
2391
2392static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi)
2393{
2394 sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1;
2395}
2396
2397static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)
2398{
2399 return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum);
2400}
2401
2402static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
2403 struct inode *inode, bool is_inode)
2404{
2405 block_t valid_block_count;
2406 unsigned int valid_node_count, user_block_count;
2407 int err;
2408
2409 if (is_inode) {
2410 if (inode) {
2411 err = dquot_alloc_inode(inode);
2412 if (err)
2413 return err;
2414 }
2415 } else {
2416 err = dquot_reserve_block(inode, 1);
2417 if (err)
2418 return err;
2419 }
2420
2421 if (time_to_inject(sbi, FAULT_BLOCK)) {
2422 f2fs_show_injection_info(sbi, FAULT_BLOCK);
2423 goto enospc;
2424 }
2425
2426 spin_lock(&sbi->stat_lock);
2427
2428 valid_block_count = sbi->total_valid_block_count +
2429 sbi->current_reserved_blocks + 1;
2430
2431 if (!__allow_reserved_blocks(sbi, inode, false))
2432 valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
2433 user_block_count = sbi->user_block_count;
2434 if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
2435 user_block_count -= sbi->unusable_block_count;
2436
2437 if (unlikely(valid_block_count > user_block_count)) {
2438 spin_unlock(&sbi->stat_lock);
2439 goto enospc;
2440 }
2441
2442 valid_node_count = sbi->total_valid_node_count + 1;
2443 if (unlikely(valid_node_count > sbi->total_node_count)) {
2444 spin_unlock(&sbi->stat_lock);
2445 goto enospc;
2446 }
2447
2448 sbi->total_valid_node_count++;
2449 sbi->total_valid_block_count++;
2450 spin_unlock(&sbi->stat_lock);
2451
2452 if (inode) {
2453 if (is_inode)
2454 f2fs_mark_inode_dirty_sync(inode, true);
2455 else
2456 f2fs_i_blocks_write(inode, 1, true, true);
2457 }
2458
2459 percpu_counter_inc(&sbi->alloc_valid_block_count);
2460 return 0;
2461
2462enospc:
2463 if (is_inode) {
2464 if (inode)
2465 dquot_free_inode(inode);
2466 } else {
2467 dquot_release_reservation_block(inode, 1);
2468 }
2469 return -ENOSPC;
2470}
2471
2472static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
2473 struct inode *inode, bool is_inode)
2474{
2475 spin_lock(&sbi->stat_lock);
2476
2477 f2fs_bug_on(sbi, !sbi->total_valid_block_count);
2478 f2fs_bug_on(sbi, !sbi->total_valid_node_count);
2479
2480 sbi->total_valid_node_count--;
2481 sbi->total_valid_block_count--;
2482 if (sbi->reserved_blocks &&
2483 sbi->current_reserved_blocks < sbi->reserved_blocks)
2484 sbi->current_reserved_blocks++;
2485
2486 spin_unlock(&sbi->stat_lock);
2487
2488 if (is_inode) {
2489 dquot_free_inode(inode);
2490 } else {
2491 if (unlikely(inode->i_blocks == 0)) {
2492 f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu",
2493 inode->i_ino,
2494 (unsigned long long)inode->i_blocks);
2495 set_sbi_flag(sbi, SBI_NEED_FSCK);
2496 return;
2497 }
2498 f2fs_i_blocks_write(inode, 1, false, true);
2499 }
2500}
2501
2502static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi)
2503{
2504 return sbi->total_valid_node_count;
2505}
2506
2507static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
2508{
2509 percpu_counter_inc(&sbi->total_valid_inode_count);
2510}
2511
2512static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi)
2513{
2514 percpu_counter_dec(&sbi->total_valid_inode_count);
2515}
2516
2517static inline s64 valid_inode_count(struct f2fs_sb_info *sbi)
2518{
2519 return percpu_counter_sum_positive(&sbi->total_valid_inode_count);
2520}
2521
2522static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
2523 pgoff_t index, bool for_write)
2524{
2525 struct page *page;
2526
2527 if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) {
2528 if (!for_write)
2529 page = find_get_page_flags(mapping, index,
2530 FGP_LOCK | FGP_ACCESSED);
2531 else
2532 page = find_lock_page(mapping, index);
2533 if (page)
2534 return page;
2535
2536 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) {
2537 f2fs_show_injection_info(F2FS_M_SB(mapping),
2538 FAULT_PAGE_ALLOC);
2539 return NULL;
2540 }
2541 }
2542
2543 if (!for_write)
2544 return grab_cache_page(mapping, index);
2545 return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
2546}
2547
2548static inline struct page *f2fs_pagecache_get_page(
2549 struct address_space *mapping, pgoff_t index,
2550 int fgp_flags, gfp_t gfp_mask)
2551{
2552 if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) {
2553 f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET);
2554 return NULL;
2555 }
2556
2557 return pagecache_get_page(mapping, index, fgp_flags, gfp_mask);
2558}
2559
2560static inline void f2fs_copy_page(struct page *src, struct page *dst)
2561{
2562 char *src_kaddr = kmap(src);
2563 char *dst_kaddr = kmap(dst);
2564
2565 memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
2566 kunmap(dst);
2567 kunmap(src);
2568}
2569
2570static inline void f2fs_put_page(struct page *page, int unlock)
2571{
2572 if (!page)
2573 return;
2574
2575 if (unlock) {
2576 f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page));
2577 unlock_page(page);
2578 }
2579 put_page(page);
2580}
2581
2582static inline void f2fs_put_dnode(struct dnode_of_data *dn)
2583{
2584 if (dn->node_page)
2585 f2fs_put_page(dn->node_page, 1);
2586 if (dn->inode_page && dn->node_page != dn->inode_page)
2587 f2fs_put_page(dn->inode_page, 0);
2588 dn->node_page = NULL;
2589 dn->inode_page = NULL;
2590}
2591
2592static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
2593 size_t size)
2594{
2595 return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL);
2596}
2597
2598static inline void *f2fs_kmem_cache_alloc_nofail(struct kmem_cache *cachep,
2599 gfp_t flags)
2600{
2601 void *entry;
2602
2603 entry = kmem_cache_alloc(cachep, flags);
2604 if (!entry)
2605 entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL);
2606 return entry;
2607}
2608
2609static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
2610 gfp_t flags, bool nofail, struct f2fs_sb_info *sbi)
2611{
2612 if (nofail)
2613 return f2fs_kmem_cache_alloc_nofail(cachep, flags);
2614
2615 if (time_to_inject(sbi, FAULT_SLAB_ALLOC)) {
2616 f2fs_show_injection_info(sbi, FAULT_SLAB_ALLOC);
2617 return NULL;
2618 }
2619
2620 return kmem_cache_alloc(cachep, flags);
2621}
2622
2623static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type)
2624{
2625 if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
2626 get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) ||
2627 get_pages(sbi, F2FS_WB_CP_DATA) ||
2628 get_pages(sbi, F2FS_DIO_READ) ||
2629 get_pages(sbi, F2FS_DIO_WRITE))
2630 return true;
2631
2632 if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info &&
2633 atomic_read(&SM_I(sbi)->dcc_info->queued_discard))
2634 return true;
2635
2636 if (SM_I(sbi) && SM_I(sbi)->fcc_info &&
2637 atomic_read(&SM_I(sbi)->fcc_info->queued_flush))
2638 return true;
2639 return false;
2640}
2641
2642static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
2643{
2644 if (sbi->gc_mode == GC_URGENT_HIGH)
2645 return true;
2646
2647 if (is_inflight_io(sbi, type))
2648 return false;
2649
2650 if (sbi->gc_mode == GC_URGENT_LOW &&
2651 (type == DISCARD_TIME || type == GC_TIME))
2652 return true;
2653
2654 return f2fs_time_over(sbi, type);
2655}
2656
2657static inline void f2fs_radix_tree_insert(struct radix_tree_root *root,
2658 unsigned long index, void *item)
2659{
2660 while (radix_tree_insert(root, index, item))
2661 cond_resched();
2662}
2663
2664#define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
2665
2666static inline bool IS_INODE(struct page *page)
2667{
2668 struct f2fs_node *p = F2FS_NODE(page);
2669
2670 return RAW_IS_INODE(p);
2671}
2672
2673static inline int offset_in_addr(struct f2fs_inode *i)
2674{
2675 return (i->i_inline & F2FS_EXTRA_ATTR) ?
2676 (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0;
2677}
2678
2679static inline __le32 *blkaddr_in_node(struct f2fs_node *node)
2680{
2681 return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr;
2682}
2683
2684static inline int f2fs_has_extra_attr(struct inode *inode);
2685static inline block_t data_blkaddr(struct inode *inode,
2686 struct page *node_page, unsigned int offset)
2687{
2688 struct f2fs_node *raw_node;
2689 __le32 *addr_array;
2690 int base = 0;
2691 bool is_inode = IS_INODE(node_page);
2692
2693 raw_node = F2FS_NODE(node_page);
2694
2695 if (is_inode) {
2696 if (!inode)
2697
2698 base = offset_in_addr(&raw_node->i);
2699 else if (f2fs_has_extra_attr(inode))
2700 base = get_extra_isize(inode);
2701 }
2702
2703 addr_array = blkaddr_in_node(raw_node);
2704 return le32_to_cpu(addr_array[base + offset]);
2705}
2706
2707static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn)
2708{
2709 return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node);
2710}
2711
2712static inline int f2fs_test_bit(unsigned int nr, char *addr)
2713{
2714 int mask;
2715
2716 addr += (nr >> 3);
2717 mask = 1 << (7 - (nr & 0x07));
2718 return mask & *addr;
2719}
2720
2721static inline void f2fs_set_bit(unsigned int nr, char *addr)
2722{
2723 int mask;
2724
2725 addr += (nr >> 3);
2726 mask = 1 << (7 - (nr & 0x07));
2727 *addr |= mask;
2728}
2729
2730static inline void f2fs_clear_bit(unsigned int nr, char *addr)
2731{
2732 int mask;
2733
2734 addr += (nr >> 3);
2735 mask = 1 << (7 - (nr & 0x07));
2736 *addr &= ~mask;
2737}
2738
2739static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr)
2740{
2741 int mask;
2742 int ret;
2743
2744 addr += (nr >> 3);
2745 mask = 1 << (7 - (nr & 0x07));
2746 ret = mask & *addr;
2747 *addr |= mask;
2748 return ret;
2749}
2750
2751static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr)
2752{
2753 int mask;
2754 int ret;
2755
2756 addr += (nr >> 3);
2757 mask = 1 << (7 - (nr & 0x07));
2758 ret = mask & *addr;
2759 *addr &= ~mask;
2760 return ret;
2761}
2762
2763static inline void f2fs_change_bit(unsigned int nr, char *addr)
2764{
2765 int mask;
2766
2767 addr += (nr >> 3);
2768 mask = 1 << (7 - (nr & 0x07));
2769 *addr ^= mask;
2770}
2771
2772
2773
2774
2775#define F2FS_COMPR_FL 0x00000004
2776#define F2FS_SYNC_FL 0x00000008
2777#define F2FS_IMMUTABLE_FL 0x00000010
2778#define F2FS_APPEND_FL 0x00000020
2779#define F2FS_NODUMP_FL 0x00000040
2780#define F2FS_NOATIME_FL 0x00000080
2781#define F2FS_NOCOMP_FL 0x00000400
2782#define F2FS_INDEX_FL 0x00001000
2783#define F2FS_DIRSYNC_FL 0x00010000
2784#define F2FS_PROJINHERIT_FL 0x20000000
2785#define F2FS_CASEFOLD_FL 0x40000000
2786
2787
2788#define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
2789 F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2790 F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL)
2791
2792
2793#define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
2794 F2FS_CASEFOLD_FL))
2795
2796
2797#define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
2798
2799static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
2800{
2801 if (S_ISDIR(mode))
2802 return flags;
2803 else if (S_ISREG(mode))
2804 return flags & F2FS_REG_FLMASK;
2805 else
2806 return flags & F2FS_OTHER_FLMASK;
2807}
2808
2809static inline void __mark_inode_dirty_flag(struct inode *inode,
2810 int flag, bool set)
2811{
2812 switch (flag) {
2813 case FI_INLINE_XATTR:
2814 case FI_INLINE_DATA:
2815 case FI_INLINE_DENTRY:
2816 case FI_NEW_INODE:
2817 if (set)
2818 return;
2819 fallthrough;
2820 case FI_DATA_EXIST:
2821 case FI_INLINE_DOTS:
2822 case FI_PIN_FILE:
2823 case FI_COMPRESS_RELEASED:
2824 f2fs_mark_inode_dirty_sync(inode, true);
2825 }
2826}
2827
2828static inline void set_inode_flag(struct inode *inode, int flag)
2829{
2830 set_bit(flag, F2FS_I(inode)->flags);
2831 __mark_inode_dirty_flag(inode, flag, true);
2832}
2833
2834static inline int is_inode_flag_set(struct inode *inode, int flag)
2835{
2836 return test_bit(flag, F2FS_I(inode)->flags);
2837}
2838
2839static inline void clear_inode_flag(struct inode *inode, int flag)
2840{
2841 clear_bit(flag, F2FS_I(inode)->flags);
2842 __mark_inode_dirty_flag(inode, flag, false);
2843}
2844
2845static inline bool f2fs_verity_in_progress(struct inode *inode)
2846{
2847 return IS_ENABLED(CONFIG_FS_VERITY) &&
2848 is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS);
2849}
2850
2851static inline void set_acl_inode(struct inode *inode, umode_t mode)
2852{
2853 F2FS_I(inode)->i_acl_mode = mode;
2854 set_inode_flag(inode, FI_ACL_MODE);
2855 f2fs_mark_inode_dirty_sync(inode, false);
2856}
2857
2858static inline void f2fs_i_links_write(struct inode *inode, bool inc)
2859{
2860 if (inc)
2861 inc_nlink(inode);
2862 else
2863 drop_nlink(inode);
2864 f2fs_mark_inode_dirty_sync(inode, true);
2865}
2866
2867static inline void f2fs_i_blocks_write(struct inode *inode,
2868 block_t diff, bool add, bool claim)
2869{
2870 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
2871 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
2872
2873
2874 if (add) {
2875 if (claim)
2876 dquot_claim_block(inode, diff);
2877 else
2878 dquot_alloc_block_nofail(inode, diff);
2879 } else {
2880 dquot_free_block(inode, diff);
2881 }
2882
2883 f2fs_mark_inode_dirty_sync(inode, true);
2884 if (clean || recover)
2885 set_inode_flag(inode, FI_AUTO_RECOVER);
2886}
2887
2888static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size)
2889{
2890 bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
2891 bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
2892
2893 if (i_size_read(inode) == i_size)
2894 return;
2895
2896 i_size_write(inode, i_size);
2897 f2fs_mark_inode_dirty_sync(inode, true);
2898 if (clean || recover)
2899 set_inode_flag(inode, FI_AUTO_RECOVER);
2900}
2901
2902static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
2903{
2904 F2FS_I(inode)->i_current_depth = depth;
2905 f2fs_mark_inode_dirty_sync(inode, true);
2906}
2907
2908static inline void f2fs_i_gc_failures_write(struct inode *inode,
2909 unsigned int count)
2910{
2911 F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count;
2912 f2fs_mark_inode_dirty_sync(inode, true);
2913}
2914
2915static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid)
2916{
2917 F2FS_I(inode)->i_xattr_nid = xnid;
2918 f2fs_mark_inode_dirty_sync(inode, true);
2919}
2920
2921static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino)
2922{
2923 F2FS_I(inode)->i_pino = pino;
2924 f2fs_mark_inode_dirty_sync(inode, true);
2925}
2926
2927static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
2928{
2929 struct f2fs_inode_info *fi = F2FS_I(inode);
2930
2931 if (ri->i_inline & F2FS_INLINE_XATTR)
2932 set_bit(FI_INLINE_XATTR, fi->flags);
2933 if (ri->i_inline & F2FS_INLINE_DATA)
2934 set_bit(FI_INLINE_DATA, fi->flags);
2935 if (ri->i_inline & F2FS_INLINE_DENTRY)
2936 set_bit(FI_INLINE_DENTRY, fi->flags);
2937 if (ri->i_inline & F2FS_DATA_EXIST)
2938 set_bit(FI_DATA_EXIST, fi->flags);
2939 if (ri->i_inline & F2FS_INLINE_DOTS)
2940 set_bit(FI_INLINE_DOTS, fi->flags);
2941 if (ri->i_inline & F2FS_EXTRA_ATTR)
2942 set_bit(FI_EXTRA_ATTR, fi->flags);
2943 if (ri->i_inline & F2FS_PIN_FILE)
2944 set_bit(FI_PIN_FILE, fi->flags);
2945 if (ri->i_inline & F2FS_COMPRESS_RELEASED)
2946 set_bit(FI_COMPRESS_RELEASED, fi->flags);
2947}
2948
2949static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
2950{
2951 ri->i_inline = 0;
2952
2953 if (is_inode_flag_set(inode, FI_INLINE_XATTR))
2954 ri->i_inline |= F2FS_INLINE_XATTR;
2955 if (is_inode_flag_set(inode, FI_INLINE_DATA))
2956 ri->i_inline |= F2FS_INLINE_DATA;
2957 if (is_inode_flag_set(inode, FI_INLINE_DENTRY))
2958 ri->i_inline |= F2FS_INLINE_DENTRY;
2959 if (is_inode_flag_set(inode, FI_DATA_EXIST))
2960 ri->i_inline |= F2FS_DATA_EXIST;
2961 if (is_inode_flag_set(inode, FI_INLINE_DOTS))
2962 ri->i_inline |= F2FS_INLINE_DOTS;
2963 if (is_inode_flag_set(inode, FI_EXTRA_ATTR))
2964 ri->i_inline |= F2FS_EXTRA_ATTR;
2965 if (is_inode_flag_set(inode, FI_PIN_FILE))
2966 ri->i_inline |= F2FS_PIN_FILE;
2967 if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
2968 ri->i_inline |= F2FS_COMPRESS_RELEASED;
2969}
2970
2971static inline int f2fs_has_extra_attr(struct inode *inode)
2972{
2973 return is_inode_flag_set(inode, FI_EXTRA_ATTR);
2974}
2975
2976static inline int f2fs_has_inline_xattr(struct inode *inode)
2977{
2978 return is_inode_flag_set(inode, FI_INLINE_XATTR);
2979}
2980
2981static inline int f2fs_compressed_file(struct inode *inode)
2982{
2983 return S_ISREG(inode->i_mode) &&
2984 is_inode_flag_set(inode, FI_COMPRESSED_FILE);
2985}
2986
2987static inline bool f2fs_need_compress_data(struct inode *inode)
2988{
2989 int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode;
2990
2991 if (!f2fs_compressed_file(inode))
2992 return false;
2993
2994 if (compress_mode == COMPR_MODE_FS)
2995 return true;
2996 else if (compress_mode == COMPR_MODE_USER &&
2997 is_inode_flag_set(inode, FI_ENABLE_COMPRESS))
2998 return true;
2999
3000 return false;
3001}
3002
3003static inline unsigned int addrs_per_inode(struct inode *inode)
3004{
3005 unsigned int addrs = CUR_ADDRS_PER_INODE(inode) -
3006 get_inline_xattr_addrs(inode);
3007
3008 if (!f2fs_compressed_file(inode))
3009 return addrs;
3010 return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size);
3011}
3012
3013static inline unsigned int addrs_per_block(struct inode *inode)
3014{
3015 if (!f2fs_compressed_file(inode))
3016 return DEF_ADDRS_PER_BLOCK;
3017 return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size);
3018}
3019
3020static inline void *inline_xattr_addr(struct inode *inode, struct page *page)
3021{
3022 struct f2fs_inode *ri = F2FS_INODE(page);
3023
3024 return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE -
3025 get_inline_xattr_addrs(inode)]);
3026}
3027
3028static inline int inline_xattr_size(struct inode *inode)
3029{
3030 if (f2fs_has_inline_xattr(inode))
3031 return get_inline_xattr_addrs(inode) * sizeof(__le32);
3032 return 0;
3033}
3034
3035static inline int f2fs_has_inline_data(struct inode *inode)
3036{
3037 return is_inode_flag_set(inode, FI_INLINE_DATA);
3038}
3039
3040static inline int f2fs_exist_data(struct inode *inode)
3041{
3042 return is_inode_flag_set(inode, FI_DATA_EXIST);
3043}
3044
3045static inline int f2fs_has_inline_dots(struct inode *inode)
3046{
3047 return is_inode_flag_set(inode, FI_INLINE_DOTS);
3048}
3049
3050static inline int f2fs_is_mmap_file(struct inode *inode)
3051{
3052 return is_inode_flag_set(inode, FI_MMAP_FILE);
3053}
3054
3055static inline bool f2fs_is_pinned_file(struct inode *inode)
3056{
3057 return is_inode_flag_set(inode, FI_PIN_FILE);
3058}
3059
3060static inline bool f2fs_is_atomic_file(struct inode *inode)
3061{
3062 return is_inode_flag_set(inode, FI_ATOMIC_FILE);
3063}
3064
3065static inline bool f2fs_is_commit_atomic_write(struct inode *inode)
3066{
3067 return is_inode_flag_set(inode, FI_ATOMIC_COMMIT);
3068}
3069
3070static inline bool f2fs_is_volatile_file(struct inode *inode)
3071{
3072 return is_inode_flag_set(inode, FI_VOLATILE_FILE);
3073}
3074
3075static inline bool f2fs_is_first_block_written(struct inode *inode)
3076{
3077 return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN);
3078}
3079
3080static inline bool f2fs_is_drop_cache(struct inode *inode)
3081{
3082 return is_inode_flag_set(inode, FI_DROP_CACHE);
3083}
3084
3085static inline void *inline_data_addr(struct inode *inode, struct page *page)
3086{
3087 struct f2fs_inode *ri = F2FS_INODE(page);
3088 int extra_size = get_extra_isize(inode);
3089
3090 return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]);
3091}
3092
3093static inline int f2fs_has_inline_dentry(struct inode *inode)
3094{
3095 return is_inode_flag_set(inode, FI_INLINE_DENTRY);
3096}
3097
3098static inline int is_file(struct inode *inode, int type)
3099{
3100 return F2FS_I(inode)->i_advise & type;
3101}
3102
3103static inline void set_file(struct inode *inode, int type)
3104{
3105 F2FS_I(inode)->i_advise |= type;
3106 f2fs_mark_inode_dirty_sync(inode, true);
3107}
3108
3109static inline void clear_file(struct inode *inode, int type)
3110{
3111 F2FS_I(inode)->i_advise &= ~type;
3112 f2fs_mark_inode_dirty_sync(inode, true);
3113}
3114
3115static inline bool f2fs_is_time_consistent(struct inode *inode)
3116{
3117 if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime))
3118 return false;
3119 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime))
3120 return false;
3121 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime))
3122 return false;
3123 if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3,
3124 &F2FS_I(inode)->i_crtime))
3125 return false;
3126 return true;
3127}
3128
3129static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync)
3130{
3131 bool ret;
3132
3133 if (dsync) {
3134 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
3135
3136 spin_lock(&sbi->inode_lock[DIRTY_META]);
3137 ret = list_empty(&F2FS_I(inode)->gdirty_list);
3138 spin_unlock(&sbi->inode_lock[DIRTY_META]);
3139 return ret;
3140 }
3141 if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) ||
3142 file_keep_isize(inode) ||
3143 i_size_read(inode) & ~PAGE_MASK)
3144 return false;
3145
3146 if (!f2fs_is_time_consistent(inode))
3147 return false;
3148
3149 spin_lock(&F2FS_I(inode)->i_size_lock);
3150 ret = F2FS_I(inode)->last_disk_size == i_size_read(inode);
3151 spin_unlock(&F2FS_I(inode)->i_size_lock);
3152
3153 return ret;
3154}
3155
3156static inline bool f2fs_readonly(struct super_block *sb)
3157{
3158 return sb_rdonly(sb);
3159}
3160
3161static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi)
3162{
3163 return is_set_ckpt_flags(sbi, CP_ERROR_FLAG);
3164}
3165
3166static inline bool is_dot_dotdot(const u8 *name, size_t len)
3167{
3168 if (len == 1 && name[0] == '.')
3169 return true;
3170
3171 if (len == 2 && name[0] == '.' && name[1] == '.')
3172 return true;
3173
3174 return false;
3175}
3176
3177static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
3178 size_t size, gfp_t flags)
3179{
3180 if (time_to_inject(sbi, FAULT_KMALLOC)) {
3181 f2fs_show_injection_info(sbi, FAULT_KMALLOC);
3182 return NULL;
3183 }
3184
3185 return kmalloc(size, flags);
3186}
3187
3188static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
3189 size_t size, gfp_t flags)
3190{
3191 return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO);
3192}
3193
3194static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
3195 size_t size, gfp_t flags)
3196{
3197 if (time_to_inject(sbi, FAULT_KVMALLOC)) {
3198 f2fs_show_injection_info(sbi, FAULT_KVMALLOC);
3199 return NULL;
3200 }
3201
3202 return kvmalloc(size, flags);
3203}
3204
3205static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi,
3206 size_t size, gfp_t flags)
3207{
3208 return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO);
3209}
3210
3211static inline int get_extra_isize(struct inode *inode)
3212{
3213 return F2FS_I(inode)->i_extra_isize / sizeof(__le32);
3214}
3215
3216static inline int get_inline_xattr_addrs(struct inode *inode)
3217{
3218 return F2FS_I(inode)->i_inline_xattr_size;
3219}
3220
3221#define f2fs_get_inode_mode(i) \
3222 ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
3223 (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
3224
3225#define F2FS_TOTAL_EXTRA_ATTR_SIZE \
3226 (offsetof(struct f2fs_inode, i_extra_end) - \
3227 offsetof(struct f2fs_inode, i_extra_isize)) \
3228
3229#define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
3230#define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
3231 ((offsetof(typeof(*(f2fs_inode)), field) + \
3232 sizeof((f2fs_inode)->field)) \
3233 <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
3234
3235#define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
3236
3237#define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
3238
3239bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
3240 block_t blkaddr, int type);
3241static inline void verify_blkaddr(struct f2fs_sb_info *sbi,
3242 block_t blkaddr, int type)
3243{
3244 if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) {
3245 f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.",
3246 blkaddr, type);
3247 f2fs_bug_on(sbi, 1);
3248 }
3249}
3250
3251static inline bool __is_valid_data_blkaddr(block_t blkaddr)
3252{
3253 if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR ||
3254 blkaddr == COMPRESS_ADDR)
3255 return false;
3256 return true;
3257}
3258
3259
3260
3261
3262int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
3263void f2fs_truncate_data_blocks(struct dnode_of_data *dn);
3264int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock);
3265int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
3266int f2fs_truncate(struct inode *inode);
3267int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path,
3268 struct kstat *stat, u32 request_mask, unsigned int flags);
3269int f2fs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry,
3270 struct iattr *attr);
3271int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
3272void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
3273int f2fs_precache_extents(struct inode *inode);
3274int f2fs_fileattr_get(struct dentry *dentry, struct fileattr *fa);
3275int f2fs_fileattr_set(struct user_namespace *mnt_userns,
3276 struct dentry *dentry, struct fileattr *fa);
3277long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
3278long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
3279int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid);
3280int f2fs_pin_file_control(struct inode *inode, bool inc);
3281
3282
3283
3284
3285void f2fs_set_inode_flags(struct inode *inode);
3286bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page);
3287void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page);
3288struct inode *f2fs_iget(struct super_block *sb, unsigned long ino);
3289struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino);
3290int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
3291void f2fs_update_inode(struct inode *inode, struct page *node_page);
3292void f2fs_update_inode_page(struct inode *inode);
3293int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
3294void f2fs_evict_inode(struct inode *inode);
3295void f2fs_handle_failed_inode(struct inode *inode);
3296
3297
3298
3299
3300int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
3301 bool hot, bool set);
3302struct dentry *f2fs_get_parent(struct dentry *child);
3303
3304
3305
3306
3307unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de);
3308int f2fs_init_casefolded_name(const struct inode *dir,
3309 struct f2fs_filename *fname);
3310int f2fs_setup_filename(struct inode *dir, const struct qstr *iname,
3311 int lookup, struct f2fs_filename *fname);
3312int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry,
3313 struct f2fs_filename *fname);
3314void f2fs_free_filename(struct f2fs_filename *fname);
3315struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
3316 const struct f2fs_filename *fname, int *max_slots);
3317int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
3318 unsigned int start_pos, struct fscrypt_str *fstr);
3319void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
3320 struct f2fs_dentry_ptr *d);
3321struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
3322 const struct f2fs_filename *fname, struct page *dpage);
3323void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
3324 unsigned int current_depth);
3325int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots);
3326void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
3327struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
3328 const struct f2fs_filename *fname,
3329 struct page **res_page);
3330struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
3331 const struct qstr *child, struct page **res_page);
3332struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p);
3333ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
3334 struct page **page);
3335void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
3336 struct page *page, struct inode *inode);
3337bool f2fs_has_enough_room(struct inode *dir, struct page *ipage,
3338 const struct f2fs_filename *fname);
3339void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
3340 const struct fscrypt_str *name, f2fs_hash_t name_hash,
3341 unsigned int bit_pos);
3342int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname,
3343 struct inode *inode, nid_t ino, umode_t mode);
3344int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname,
3345 struct inode *inode, nid_t ino, umode_t mode);
3346int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
3347 struct inode *inode, nid_t ino, umode_t mode);
3348void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
3349 struct inode *dir, struct inode *inode);
3350int f2fs_do_tmpfile(struct inode *inode, struct inode *dir);
3351bool f2fs_empty_dir(struct inode *dir);
3352
3353static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
3354{
3355 if (fscrypt_is_nokey_name(dentry))
3356 return -ENOKEY;
3357 return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name,
3358 inode, inode->i_ino, inode->i_mode);
3359}
3360
3361
3362
3363
3364int f2fs_inode_dirtied(struct inode *inode, bool sync);
3365void f2fs_inode_synced(struct inode *inode);
3366int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
3367int f2fs_quota_sync(struct super_block *sb, int type);
3368loff_t max_file_blocks(struct inode *inode);
3369void f2fs_quota_off_umount(struct super_block *sb);
3370int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
3371int f2fs_sync_fs(struct super_block *sb, int sync);
3372int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
3373
3374
3375
3376
3377void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname);
3378
3379
3380
3381
3382struct node_info;
3383
3384int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
3385bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type);
3386bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page);
3387void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi);
3388void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page);
3389void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi);
3390int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
3391bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
3392bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
3393int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
3394 struct node_info *ni);
3395pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
3396int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
3397int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from);
3398int f2fs_truncate_xattr_node(struct inode *inode);
3399int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi,
3400 unsigned int seq_id);
3401bool f2fs_nat_bitmap_enabled(struct f2fs_sb_info *sbi);
3402int f2fs_remove_inode_page(struct inode *inode);
3403struct page *f2fs_new_inode_page(struct inode *inode);
3404struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs);
3405void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
3406struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
3407struct page *f2fs_get_node_page_ra(struct page *parent, int start);
3408int f2fs_move_node_page(struct page *node_page, int gc_type);
3409void f2fs_flush_inline_data(struct f2fs_sb_info *sbi);
3410int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
3411 struct writeback_control *wbc, bool atomic,
3412 unsigned int *seq_id);
3413int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
3414 struct writeback_control *wbc,
3415 bool do_balance, enum iostat_type io_type);
3416int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
3417bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
3418void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
3419void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
3420int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
3421int f2fs_recover_inline_xattr(struct inode *inode, struct page *page);
3422int f2fs_recover_xattr_data(struct inode *inode, struct page *page);
3423int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
3424int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
3425 unsigned int segno, struct f2fs_summary_block *sum);
3426void f2fs_enable_nat_bits(struct f2fs_sb_info *sbi);
3427int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3428int f2fs_build_node_manager(struct f2fs_sb_info *sbi);
3429void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi);
3430int __init f2fs_create_node_manager_caches(void);
3431void f2fs_destroy_node_manager_caches(void);
3432
3433
3434
3435
3436bool f2fs_need_SSR(struct f2fs_sb_info *sbi);
3437void f2fs_register_inmem_page(struct inode *inode, struct page *page);
3438void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure);
3439void f2fs_drop_inmem_pages(struct inode *inode);
3440void f2fs_drop_inmem_page(struct inode *inode, struct page *page);
3441int f2fs_commit_inmem_pages(struct inode *inode);
3442void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need);
3443void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg);
3444int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino);
3445int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi);
3446int f2fs_flush_device_cache(struct f2fs_sb_info *sbi);
3447void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
3448void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
3449bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
3450int f2fs_start_discard_thread(struct f2fs_sb_info *sbi);
3451void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
3452void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
3453bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi);
3454void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
3455 struct cp_control *cpc);
3456void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi);
3457block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi);
3458int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
3459void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
3460int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
3461bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno);
3462void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi);
3463void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi);
3464void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi);
3465void f2fs_get_new_segment(struct f2fs_sb_info *sbi,
3466 unsigned int *newseg, bool new_sec, int dir);
3467void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
3468 unsigned int start, unsigned int end);
3469void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
3470void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
3471int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
3472bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
3473 struct cp_control *cpc);
3474struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
3475void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src,
3476 block_t blk_addr);
3477void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
3478 enum iostat_type io_type);
3479void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio);
3480void f2fs_outplace_write_data(struct dnode_of_data *dn,
3481 struct f2fs_io_info *fio);
3482int f2fs_inplace_write_data(struct f2fs_io_info *fio);
3483void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
3484 block_t old_blkaddr, block_t new_blkaddr,
3485 bool recover_curseg, bool recover_newaddr,
3486 bool from_gc);
3487void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
3488 block_t old_addr, block_t new_addr,
3489 unsigned char version, bool recover_curseg,
3490 bool recover_newaddr);
3491void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
3492 block_t old_blkaddr, block_t *new_blkaddr,
3493 struct f2fs_summary *sum, int type,
3494 struct f2fs_io_info *fio);
3495void f2fs_wait_on_page_writeback(struct page *page,
3496 enum page_type type, bool ordered, bool locked);
3497void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
3498void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
3499 block_t len);
3500void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3501void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
3502int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
3503 unsigned int val, int alloc);
3504void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3505int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi);
3506int f2fs_check_write_pointer(struct f2fs_sb_info *sbi);
3507int f2fs_build_segment_manager(struct f2fs_sb_info *sbi);
3508void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
3509int __init f2fs_create_segment_manager_caches(void);
3510void f2fs_destroy_segment_manager_caches(void);
3511int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
3512enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
3513 enum page_type type, enum temp_type temp);
3514unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
3515 unsigned int segno);
3516unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
3517 unsigned int segno);
3518
3519
3520
3521
3522void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
3523struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
3524struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
3525struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index);
3526struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
3527bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
3528 block_t blkaddr, int type);
3529int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
3530 int type, bool sync);
3531void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
3532long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
3533 long nr_to_write, enum iostat_type io_type);
3534void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
3535void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
3536void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all);
3537bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
3538void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
3539 unsigned int devidx, int type);
3540bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
3541 unsigned int devidx, int type);
3542int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi);
3543int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi);
3544void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi);
3545void f2fs_add_orphan_inode(struct inode *inode);
3546void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
3547int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi);
3548int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi);
3549void f2fs_update_dirty_page(struct inode *inode, struct page *page);
3550void f2fs_remove_dirty_inode(struct inode *inode);
3551int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
3552void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type);
3553u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi);
3554int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
3555void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
3556int __init f2fs_create_checkpoint_caches(void);
3557void f2fs_destroy_checkpoint_caches(void);
3558int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi);
3559int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi);
3560void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi);
3561void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi);
3562
3563
3564
3565
3566int __init f2fs_init_bioset(void);
3567void f2fs_destroy_bioset(void);
3568int f2fs_init_bio_entry_cache(void);
3569void f2fs_destroy_bio_entry_cache(void);
3570void f2fs_submit_bio(struct f2fs_sb_info *sbi,
3571 struct bio *bio, enum page_type type);
3572void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type);
3573void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
3574 struct inode *inode, struct page *page,
3575 nid_t ino, enum page_type type);
3576void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
3577 struct bio **bio, struct page *page);
3578void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi);
3579int f2fs_submit_page_bio(struct f2fs_io_info *fio);
3580int f2fs_merge_page_bio(struct f2fs_io_info *fio);
3581void f2fs_submit_page_write(struct f2fs_io_info *fio);
3582struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
3583 block_t blk_addr, struct bio *bio);
3584int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
3585void f2fs_set_data_blkaddr(struct dnode_of_data *dn);
3586void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
3587int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
3588int f2fs_reserve_new_block(struct dnode_of_data *dn);
3589int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
3590int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
3591int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
3592struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
3593 int op_flags, bool for_write);
3594struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index);
3595struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
3596 bool for_write);
3597struct page *f2fs_get_new_data_page(struct inode *inode,
3598 struct page *ipage, pgoff_t index, bool new_i_size);
3599int f2fs_do_write_data_page(struct f2fs_io_info *fio);
3600void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock);
3601int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
3602 int create, int flag);
3603int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
3604 u64 start, u64 len);
3605int f2fs_encrypt_one_page(struct f2fs_io_info *fio);
3606bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
3607bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
3608int f2fs_write_single_data_page(struct page *page, int *submitted,
3609 struct bio **bio, sector_t *last_block,
3610 struct writeback_control *wbc,
3611 enum iostat_type io_type,
3612 int compr_blocks, bool allow_balance);
3613void f2fs_invalidate_page(struct page *page, unsigned int offset,
3614 unsigned int length);
3615int f2fs_release_page(struct page *page, gfp_t wait);
3616#ifdef CONFIG_MIGRATION
3617int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
3618 struct page *page, enum migrate_mode mode);
3619#endif
3620bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
3621void f2fs_clear_page_cache_dirty_tag(struct page *page);
3622int f2fs_init_post_read_processing(void);
3623void f2fs_destroy_post_read_processing(void);
3624int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi);
3625void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi);
3626
3627
3628
3629
3630int f2fs_start_gc_thread(struct f2fs_sb_info *sbi);
3631void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
3632block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
3633int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, bool force,
3634 unsigned int segno);
3635void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
3636int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count);
3637int __init f2fs_create_garbage_collection_cache(void);
3638void f2fs_destroy_garbage_collection_cache(void);
3639
3640
3641
3642
3643int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
3644bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi);
3645int __init f2fs_create_recovery_cache(void);
3646void f2fs_destroy_recovery_cache(void);
3647
3648
3649
3650
3651#ifdef CONFIG_F2FS_STAT_FS
3652struct f2fs_stat_info {
3653 struct list_head stat_list;
3654 struct f2fs_sb_info *sbi;
3655 int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
3656 int main_area_segs, main_area_sections, main_area_zones;
3657 unsigned long long hit_largest, hit_cached, hit_rbtree;
3658 unsigned long long hit_total, total_ext;
3659 int ext_tree, zombie_tree, ext_node;
3660 int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta;
3661 int ndirty_data, ndirty_qdata;
3662 int inmem_pages;
3663 unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all;
3664 int nats, dirty_nats, sits, dirty_sits;
3665 int free_nids, avail_nids, alloc_nids;
3666 int total_count, utilization;
3667 int bg_gc, nr_wb_cp_data, nr_wb_data;
3668 int nr_rd_data, nr_rd_node, nr_rd_meta;
3669 int nr_dio_read, nr_dio_write;
3670 unsigned int io_skip_bggc, other_skip_bggc;
3671 int nr_flushing, nr_flushed, flush_list_empty;
3672 int nr_discarding, nr_discarded;
3673 int nr_discard_cmd;
3674 unsigned int undiscard_blks;
3675 int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt;
3676 unsigned int cur_ckpt_time, peak_ckpt_time;
3677 int inline_xattr, inline_inode, inline_dir, append, update, orphans;
3678 int compr_inode;
3679 unsigned long long compr_blocks;
3680 int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt;
3681 unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;
3682 unsigned int bimodal, avg_vblocks;
3683 int util_free, util_valid, util_invalid;
3684 int rsvd_segs, overp_segs;
3685 int dirty_count, node_pages, meta_pages, compress_pages;
3686 int compress_page_hit;
3687 int prefree_count, call_count, cp_count, bg_cp_count;
3688 int tot_segs, node_segs, data_segs, free_segs, free_secs;
3689 int bg_node_segs, bg_data_segs;
3690 int tot_blks, data_blks, node_blks;
3691 int bg_data_blks, bg_node_blks;
3692 unsigned long long skipped_atomic_files[2];
3693 int curseg[NR_CURSEG_TYPE];
3694 int cursec[NR_CURSEG_TYPE];
3695 int curzone[NR_CURSEG_TYPE];
3696 unsigned int dirty_seg[NR_CURSEG_TYPE];
3697 unsigned int full_seg[NR_CURSEG_TYPE];
3698 unsigned int valid_blks[NR_CURSEG_TYPE];
3699
3700 unsigned int meta_count[META_MAX];
3701 unsigned int segment_count[2];
3702 unsigned int block_count[2];
3703 unsigned int inplace_count;
3704 unsigned long long base_mem, cache_mem, page_mem;
3705};
3706
3707static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
3708{
3709 return (struct f2fs_stat_info *)sbi->stat_info;
3710}
3711
3712#define stat_inc_cp_count(si) ((si)->cp_count++)
3713#define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
3714#define stat_inc_call_count(si) ((si)->call_count++)
3715#define stat_inc_bggc_count(si) ((si)->bg_gc++)
3716#define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
3717#define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
3718#define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
3719#define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
3720#define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
3721#define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
3722#define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
3723#define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
3724#define stat_inc_inline_xattr(inode) \
3725 do { \
3726 if (f2fs_has_inline_xattr(inode)) \
3727 (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
3728 } while (0)
3729#define stat_dec_inline_xattr(inode) \
3730 do { \
3731 if (f2fs_has_inline_xattr(inode)) \
3732 (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
3733 } while (0)
3734#define stat_inc_inline_inode(inode) \
3735 do { \
3736 if (f2fs_has_inline_data(inode)) \
3737 (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
3738 } while (0)
3739#define stat_dec_inline_inode(inode) \
3740 do { \
3741 if (f2fs_has_inline_data(inode)) \
3742 (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
3743 } while (0)
3744#define stat_inc_inline_dir(inode) \
3745 do { \
3746 if (f2fs_has_inline_dentry(inode)) \
3747 (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
3748 } while (0)
3749#define stat_dec_inline_dir(inode) \
3750 do { \
3751 if (f2fs_has_inline_dentry(inode)) \
3752 (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
3753 } while (0)
3754#define stat_inc_compr_inode(inode) \
3755 do { \
3756 if (f2fs_compressed_file(inode)) \
3757 (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
3758 } while (0)
3759#define stat_dec_compr_inode(inode) \
3760 do { \
3761 if (f2fs_compressed_file(inode)) \
3762 (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
3763 } while (0)
3764#define stat_add_compr_blocks(inode, blocks) \
3765 (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
3766#define stat_sub_compr_blocks(inode, blocks) \
3767 (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
3768#define stat_inc_meta_count(sbi, blkaddr) \
3769 do { \
3770 if (blkaddr < SIT_I(sbi)->sit_base_addr) \
3771 atomic_inc(&(sbi)->meta_count[META_CP]); \
3772 else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
3773 atomic_inc(&(sbi)->meta_count[META_SIT]); \
3774 else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
3775 atomic_inc(&(sbi)->meta_count[META_NAT]); \
3776 else if (blkaddr < SM_I(sbi)->main_blkaddr) \
3777 atomic_inc(&(sbi)->meta_count[META_SSA]); \
3778 } while (0)
3779#define stat_inc_seg_type(sbi, curseg) \
3780 ((sbi)->segment_count[(curseg)->alloc_type]++)
3781#define stat_inc_block_count(sbi, curseg) \
3782 ((sbi)->block_count[(curseg)->alloc_type]++)
3783#define stat_inc_inplace_blocks(sbi) \
3784 (atomic_inc(&(sbi)->inplace_count))
3785#define stat_update_max_atomic_write(inode) \
3786 do { \
3787 int cur = F2FS_I_SB(inode)->atomic_files; \
3788 int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
3789 if (cur > max) \
3790 atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
3791 } while (0)
3792#define stat_inc_volatile_write(inode) \
3793 (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
3794#define stat_dec_volatile_write(inode) \
3795 (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
3796#define stat_update_max_volatile_write(inode) \
3797 do { \
3798 int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
3799 int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
3800 if (cur > max) \
3801 atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
3802 } while (0)
3803#define stat_inc_seg_count(sbi, type, gc_type) \
3804 do { \
3805 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3806 si->tot_segs++; \
3807 if ((type) == SUM_TYPE_DATA) { \
3808 si->data_segs++; \
3809 si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
3810 } else { \
3811 si->node_segs++; \
3812 si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
3813 } \
3814 } while (0)
3815
3816#define stat_inc_tot_blk_count(si, blks) \
3817 ((si)->tot_blks += (blks))
3818
3819#define stat_inc_data_blk_count(sbi, blks, gc_type) \
3820 do { \
3821 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3822 stat_inc_tot_blk_count(si, blks); \
3823 si->data_blks += (blks); \
3824 si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3825 } while (0)
3826
3827#define stat_inc_node_blk_count(sbi, blks, gc_type) \
3828 do { \
3829 struct f2fs_stat_info *si = F2FS_STAT(sbi); \
3830 stat_inc_tot_blk_count(si, blks); \
3831 si->node_blks += (blks); \
3832 si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
3833 } while (0)
3834
3835int f2fs_build_stats(struct f2fs_sb_info *sbi);
3836void f2fs_destroy_stats(struct f2fs_sb_info *sbi);
3837void __init f2fs_create_root_stats(void);
3838void f2fs_destroy_root_stats(void);
3839void f2fs_update_sit_info(struct f2fs_sb_info *sbi);
3840#else
3841#define stat_inc_cp_count(si) do { } while (0)
3842#define stat_inc_bg_cp_count(si) do { } while (0)
3843#define stat_inc_call_count(si) do { } while (0)
3844#define stat_inc_bggc_count(si) do { } while (0)
3845#define stat_io_skip_bggc_count(sbi) do { } while (0)
3846#define stat_other_skip_bggc_count(sbi) do { } while (0)
3847#define stat_inc_dirty_inode(sbi, type) do { } while (0)
3848#define stat_dec_dirty_inode(sbi, type) do { } while (0)
3849#define stat_inc_total_hit(sbi) do { } while (0)
3850#define stat_inc_rbtree_node_hit(sbi) do { } while (0)
3851#define stat_inc_largest_node_hit(sbi) do { } while (0)
3852#define stat_inc_cached_node_hit(sbi) do { } while (0)
3853#define stat_inc_inline_xattr(inode) do { } while (0)
3854#define stat_dec_inline_xattr(inode) do { } while (0)
3855#define stat_inc_inline_inode(inode) do { } while (0)
3856#define stat_dec_inline_inode(inode) do { } while (0)
3857#define stat_inc_inline_dir(inode) do { } while (0)
3858#define stat_dec_inline_dir(inode) do { } while (0)
3859#define stat_inc_compr_inode(inode) do { } while (0)
3860#define stat_dec_compr_inode(inode) do { } while (0)
3861#define stat_add_compr_blocks(inode, blocks) do { } while (0)
3862#define stat_sub_compr_blocks(inode, blocks) do { } while (0)
3863#define stat_update_max_atomic_write(inode) do { } while (0)
3864#define stat_inc_volatile_write(inode) do { } while (0)
3865#define stat_dec_volatile_write(inode) do { } while (0)
3866#define stat_update_max_volatile_write(inode) do { } while (0)
3867#define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
3868#define stat_inc_seg_type(sbi, curseg) do { } while (0)
3869#define stat_inc_block_count(sbi, curseg) do { } while (0)
3870#define stat_inc_inplace_blocks(sbi) do { } while (0)
3871#define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
3872#define stat_inc_tot_blk_count(si, blks) do { } while (0)
3873#define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
3874#define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
3875
3876static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
3877static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
3878static inline void __init f2fs_create_root_stats(void) { }
3879static inline void f2fs_destroy_root_stats(void) { }
3880static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {}
3881#endif
3882
3883extern const struct file_operations f2fs_dir_operations;
3884extern const struct file_operations f2fs_file_operations;
3885extern const struct inode_operations f2fs_file_inode_operations;
3886extern const struct address_space_operations f2fs_dblock_aops;
3887extern const struct address_space_operations f2fs_node_aops;
3888extern const struct address_space_operations f2fs_meta_aops;
3889extern const struct inode_operations f2fs_dir_inode_operations;
3890extern const struct inode_operations f2fs_symlink_inode_operations;
3891extern const struct inode_operations f2fs_encrypted_symlink_inode_operations;
3892extern const struct inode_operations f2fs_special_inode_operations;
3893extern struct kmem_cache *f2fs_inode_entry_slab;
3894
3895
3896
3897
3898bool f2fs_may_inline_data(struct inode *inode);
3899bool f2fs_may_inline_dentry(struct inode *inode);
3900void f2fs_do_read_inline_data(struct page *page, struct page *ipage);
3901void f2fs_truncate_inline_inode(struct inode *inode,
3902 struct page *ipage, u64 from);
3903int f2fs_read_inline_data(struct inode *inode, struct page *page);
3904int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
3905int f2fs_convert_inline_inode(struct inode *inode);
3906int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
3907int f2fs_write_inline_data(struct inode *inode, struct page *page);
3908int f2fs_recover_inline_data(struct inode *inode, struct page *npage);
3909struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
3910 const struct f2fs_filename *fname,
3911 struct page **res_page);
3912int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
3913 struct page *ipage);
3914int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname,
3915 struct inode *inode, nid_t ino, umode_t mode);
3916void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry,
3917 struct page *page, struct inode *dir,
3918 struct inode *inode);
3919bool f2fs_empty_inline_dir(struct inode *dir);
3920int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
3921 struct fscrypt_str *fstr);
3922int f2fs_inline_data_fiemap(struct inode *inode,
3923 struct fiemap_extent_info *fieinfo,
3924 __u64 start, __u64 len);
3925
3926
3927
3928
3929unsigned long f2fs_shrink_count(struct shrinker *shrink,
3930 struct shrink_control *sc);
3931unsigned long f2fs_shrink_scan(struct shrinker *shrink,
3932 struct shrink_control *sc);
3933void f2fs_join_shrinker(struct f2fs_sb_info *sbi);
3934void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
3935
3936
3937
3938
3939struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root,
3940 struct rb_entry *cached_re, unsigned int ofs);
3941struct rb_node **f2fs_lookup_rb_tree_ext(struct f2fs_sb_info *sbi,
3942 struct rb_root_cached *root,
3943 struct rb_node **parent,
3944 unsigned long long key, bool *left_most);
3945struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
3946 struct rb_root_cached *root,
3947 struct rb_node **parent,
3948 unsigned int ofs, bool *leftmost);
3949struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root,
3950 struct rb_entry *cached_re, unsigned int ofs,
3951 struct rb_entry **prev_entry, struct rb_entry **next_entry,
3952 struct rb_node ***insert_p, struct rb_node **insert_parent,
3953 bool force, bool *leftmost);
3954bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi,
3955 struct rb_root_cached *root, bool check_key);
3956unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink);
3957void f2fs_init_extent_tree(struct inode *inode, struct page *ipage);
3958void f2fs_drop_extent_tree(struct inode *inode);
3959unsigned int f2fs_destroy_extent_node(struct inode *inode);
3960void f2fs_destroy_extent_tree(struct inode *inode);
3961bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs,
3962 struct extent_info *ei);
3963void f2fs_update_extent_cache(struct dnode_of_data *dn);
3964void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
3965 pgoff_t fofs, block_t blkaddr, unsigned int len);
3966void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi);
3967int __init f2fs_create_extent_cache(void);
3968void f2fs_destroy_extent_cache(void);
3969
3970
3971
3972
3973#define MIN_RA_MUL 2
3974#define MAX_RA_MUL 256
3975
3976int __init f2fs_init_sysfs(void);
3977void f2fs_exit_sysfs(void);
3978int f2fs_register_sysfs(struct f2fs_sb_info *sbi);
3979void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi);
3980
3981
3982extern const struct fsverity_operations f2fs_verityops;
3983
3984
3985
3986
3987static inline bool f2fs_encrypted_file(struct inode *inode)
3988{
3989 return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
3990}
3991
3992static inline void f2fs_set_encrypted_inode(struct inode *inode)
3993{
3994#ifdef CONFIG_FS_ENCRYPTION
3995 file_set_encrypt(inode);
3996 f2fs_set_inode_flags(inode);
3997#endif
3998}
3999
4000
4001
4002
4003
4004static inline bool f2fs_post_read_required(struct inode *inode)
4005{
4006 return f2fs_encrypted_file(inode) || fsverity_active(inode) ||
4007 f2fs_compressed_file(inode);
4008}
4009
4010
4011
4012
4013#ifdef CONFIG_F2FS_FS_COMPRESSION
4014bool f2fs_is_compressed_page(struct page *page);
4015struct page *f2fs_compress_control_page(struct page *page);
4016int f2fs_prepare_compress_overwrite(struct inode *inode,
4017 struct page **pagep, pgoff_t index, void **fsdata);
4018bool f2fs_compress_write_end(struct inode *inode, void *fsdata,
4019 pgoff_t index, unsigned copied);
4020int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock);
4021void f2fs_compress_write_end_io(struct bio *bio, struct page *page);
4022bool f2fs_is_compress_backend_ready(struct inode *inode);
4023int f2fs_init_compress_mempool(void);
4024void f2fs_destroy_compress_mempool(void);
4025void f2fs_decompress_cluster(struct decompress_io_ctx *dic);
4026void f2fs_end_read_compressed_page(struct page *page, bool failed,
4027 block_t blkaddr);
4028bool f2fs_cluster_is_empty(struct compress_ctx *cc);
4029bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
4030bool f2fs_sanity_check_cluster(struct dnode_of_data *dn);
4031void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
4032int f2fs_write_multi_pages(struct compress_ctx *cc,
4033 int *submitted,
4034 struct writeback_control *wbc,
4035 enum iostat_type io_type);
4036int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index);
4037void f2fs_update_extent_tree_range_compressed(struct inode *inode,
4038 pgoff_t fofs, block_t blkaddr, unsigned int llen,
4039 unsigned int c_len);
4040int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
4041 unsigned nr_pages, sector_t *last_block_in_bio,
4042 bool is_readahead, bool for_write);
4043struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
4044void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed);
4045void f2fs_put_page_dic(struct page *page);
4046unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn);
4047int f2fs_init_compress_ctx(struct compress_ctx *cc);
4048void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse);
4049void f2fs_init_compress_info(struct f2fs_sb_info *sbi);
4050int f2fs_init_compress_inode(struct f2fs_sb_info *sbi);
4051void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi);
4052int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi);
4053void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi);
4054int __init f2fs_init_compress_cache(void);
4055void f2fs_destroy_compress_cache(void);
4056struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi);
4057void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr);
4058void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
4059 nid_t ino, block_t blkaddr);
4060bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
4061 block_t blkaddr);
4062void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino);
4063#define inc_compr_inode_stat(inode) \
4064 do { \
4065 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
4066 sbi->compr_new_inode++; \
4067 } while (0)
4068#define add_compr_block_stat(inode, blocks) \
4069 do { \
4070 struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
4071 int diff = F2FS_I(inode)->i_cluster_size - blocks; \
4072 sbi->compr_written_block += blocks; \
4073 sbi->compr_saved_block += diff; \
4074 } while (0)
4075#else
4076static inline bool f2fs_is_compressed_page(struct page *page) { return false; }
4077static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
4078{
4079 if (!f2fs_compressed_file(inode))
4080 return true;
4081
4082 return false;
4083}
4084static inline struct page *f2fs_compress_control_page(struct page *page)
4085{
4086 WARN_ON_ONCE(1);
4087 return ERR_PTR(-EINVAL);
4088}
4089static inline int f2fs_init_compress_mempool(void) { return 0; }
4090static inline void f2fs_destroy_compress_mempool(void) { }
4091static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic) { }
4092static inline void f2fs_end_read_compressed_page(struct page *page,
4093 bool failed, block_t blkaddr)
4094{
4095 WARN_ON_ONCE(1);
4096}
4097static inline void f2fs_put_page_dic(struct page *page)
4098{
4099 WARN_ON_ONCE(1);
4100}
4101static inline unsigned int f2fs_cluster_blocks_are_contiguous(struct dnode_of_data *dn) { return 0; }
4102static inline bool f2fs_sanity_check_cluster(struct dnode_of_data *dn) { return false; }
4103static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; }
4104static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { }
4105static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; }
4106static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { }
4107static inline int __init f2fs_init_compress_cache(void) { return 0; }
4108static inline void f2fs_destroy_compress_cache(void) { }
4109static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi,
4110 block_t blkaddr) { }
4111static inline void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi,
4112 struct page *page, nid_t ino, block_t blkaddr) { }
4113static inline bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi,
4114 struct page *page, block_t blkaddr) { return false; }
4115static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi,
4116 nid_t ino) { }
4117#define inc_compr_inode_stat(inode) do { } while (0)
4118static inline void f2fs_update_extent_tree_range_compressed(struct inode *inode,
4119 pgoff_t fofs, block_t blkaddr, unsigned int llen,
4120 unsigned int c_len) { }
4121#endif
4122
4123static inline void set_compress_context(struct inode *inode)
4124{
4125 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4126
4127 F2FS_I(inode)->i_compress_algorithm =
4128 F2FS_OPTION(sbi).compress_algorithm;
4129 F2FS_I(inode)->i_log_cluster_size =
4130 F2FS_OPTION(sbi).compress_log_size;
4131 F2FS_I(inode)->i_compress_flag =
4132 F2FS_OPTION(sbi).compress_chksum ?
4133 1 << COMPRESS_CHKSUM : 0;
4134 F2FS_I(inode)->i_cluster_size =
4135 1 << F2FS_I(inode)->i_log_cluster_size;
4136 if ((F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 ||
4137 F2FS_I(inode)->i_compress_algorithm == COMPRESS_ZSTD) &&
4138 F2FS_OPTION(sbi).compress_level)
4139 F2FS_I(inode)->i_compress_flag |=
4140 F2FS_OPTION(sbi).compress_level <<
4141 COMPRESS_LEVEL_OFFSET;
4142 F2FS_I(inode)->i_flags |= F2FS_COMPR_FL;
4143 set_inode_flag(inode, FI_COMPRESSED_FILE);
4144 stat_inc_compr_inode(inode);
4145 inc_compr_inode_stat(inode);
4146 f2fs_mark_inode_dirty_sync(inode, true);
4147}
4148
4149static inline bool f2fs_disable_compressed_file(struct inode *inode)
4150{
4151 struct f2fs_inode_info *fi = F2FS_I(inode);
4152
4153 if (!f2fs_compressed_file(inode))
4154 return true;
4155 if (S_ISREG(inode->i_mode) &&
4156 (get_dirty_pages(inode) || atomic_read(&fi->i_compr_blocks)))
4157 return false;
4158
4159 fi->i_flags &= ~F2FS_COMPR_FL;
4160 stat_dec_compr_inode(inode);
4161 clear_inode_flag(inode, FI_COMPRESSED_FILE);
4162 f2fs_mark_inode_dirty_sync(inode, true);
4163 return true;
4164}
4165
4166#define F2FS_FEATURE_FUNCS(name, flagname) \
4167static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
4168{ \
4169 return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
4170}
4171
4172F2FS_FEATURE_FUNCS(encrypt, ENCRYPT);
4173F2FS_FEATURE_FUNCS(blkzoned, BLKZONED);
4174F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR);
4175F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA);
4176F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM);
4177F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
4178F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO);
4179F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME);
4180F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND);
4181F2FS_FEATURE_FUNCS(verity, VERITY);
4182F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM);
4183F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
4184F2FS_FEATURE_FUNCS(compression, COMPRESSION);
4185F2FS_FEATURE_FUNCS(readonly, RO);
4186
4187static inline bool f2fs_may_extent_tree(struct inode *inode)
4188{
4189 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4190
4191 if (!test_opt(sbi, EXTENT_CACHE) ||
4192 is_inode_flag_set(inode, FI_NO_EXTENT) ||
4193 (is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
4194 !f2fs_sb_has_readonly(sbi)))
4195 return false;
4196
4197
4198
4199
4200
4201 if (list_empty(&sbi->s_list))
4202 return false;
4203
4204 return S_ISREG(inode->i_mode);
4205}
4206
4207#ifdef CONFIG_BLK_DEV_ZONED
4208static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
4209 block_t blkaddr)
4210{
4211 unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz;
4212
4213 return test_bit(zno, FDEV(devi).blkz_seq);
4214}
4215#endif
4216
4217static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi)
4218{
4219 return f2fs_sb_has_blkzoned(sbi);
4220}
4221
4222static inline bool f2fs_bdev_support_discard(struct block_device *bdev)
4223{
4224 return blk_queue_discard(bdev_get_queue(bdev)) ||
4225 bdev_is_zoned(bdev);
4226}
4227
4228static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi)
4229{
4230 int i;
4231
4232 if (!f2fs_is_multi_device(sbi))
4233 return f2fs_bdev_support_discard(sbi->sb->s_bdev);
4234
4235 for (i = 0; i < sbi->s_ndevs; i++)
4236 if (f2fs_bdev_support_discard(FDEV(i).bdev))
4237 return true;
4238 return false;
4239}
4240
4241static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi)
4242{
4243 return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) ||
4244 f2fs_hw_should_discard(sbi);
4245}
4246
4247static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi)
4248{
4249 int i;
4250
4251 if (!f2fs_is_multi_device(sbi))
4252 return bdev_read_only(sbi->sb->s_bdev);
4253
4254 for (i = 0; i < sbi->s_ndevs; i++)
4255 if (bdev_read_only(FDEV(i).bdev))
4256 return true;
4257 return false;
4258}
4259
4260static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi)
4261{
4262 return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS;
4263}
4264
4265static inline bool f2fs_may_compress(struct inode *inode)
4266{
4267 if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) ||
4268 f2fs_is_atomic_file(inode) ||
4269 f2fs_is_volatile_file(inode))
4270 return false;
4271 return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode);
4272}
4273
4274static inline void f2fs_i_compr_blocks_update(struct inode *inode,
4275 u64 blocks, bool add)
4276{
4277 int diff = F2FS_I(inode)->i_cluster_size - blocks;
4278 struct f2fs_inode_info *fi = F2FS_I(inode);
4279
4280
4281 if (!add && !atomic_read(&fi->i_compr_blocks))
4282 return;
4283
4284 if (add) {
4285 atomic_add(diff, &fi->i_compr_blocks);
4286 stat_add_compr_blocks(inode, diff);
4287 } else {
4288 atomic_sub(diff, &fi->i_compr_blocks);
4289 stat_sub_compr_blocks(inode, diff);
4290 }
4291 f2fs_mark_inode_dirty_sync(inode, true);
4292}
4293
4294static inline int block_unaligned_IO(struct inode *inode,
4295 struct kiocb *iocb, struct iov_iter *iter)
4296{
4297 unsigned int i_blkbits = READ_ONCE(inode->i_blkbits);
4298 unsigned int blocksize_mask = (1 << i_blkbits) - 1;
4299 loff_t offset = iocb->ki_pos;
4300 unsigned long align = offset | iov_iter_alignment(iter);
4301
4302 return align & blocksize_mask;
4303}
4304
4305static inline bool f2fs_force_buffered_io(struct inode *inode,
4306 struct kiocb *iocb, struct iov_iter *iter)
4307{
4308 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
4309 int rw = iov_iter_rw(iter);
4310
4311 if (f2fs_post_read_required(inode))
4312 return true;
4313 if (f2fs_is_multi_device(sbi))
4314 return true;
4315
4316
4317
4318
4319 if (f2fs_sb_has_blkzoned(sbi))
4320 return true;
4321 if (f2fs_lfs_mode(sbi) && (rw == WRITE)) {
4322 if (block_unaligned_IO(inode, iocb, iter))
4323 return true;
4324 if (F2FS_IO_ALIGNED(sbi))
4325 return true;
4326 }
4327 if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED))
4328 return true;
4329
4330 return false;
4331}
4332
4333static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx)
4334{
4335 return fsverity_active(inode) &&
4336 idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);
4337}
4338
4339#ifdef CONFIG_F2FS_FAULT_INJECTION
4340extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
4341 unsigned int type);
4342#else
4343#define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
4344#endif
4345
4346static inline bool is_journalled_quota(struct f2fs_sb_info *sbi)
4347{
4348#ifdef CONFIG_QUOTA
4349 if (f2fs_sb_has_quota_ino(sbi))
4350 return true;
4351 if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] ||
4352 F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] ||
4353 F2FS_OPTION(sbi).s_qf_names[PRJQUOTA])
4354 return true;
4355#endif
4356 return false;
4357}
4358
4359static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi)
4360{
4361 return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK;
4362}
4363
4364#define EFSBADCRC EBADMSG
4365#define EFSCORRUPTED EUCLEAN
4366
4367#endif
4368