1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
9 #include <linux/f2fs_fs.h>
10 #include <linux/buffer_head.h>
11 #include <linux/backing-dev.h>
12 #include <linux/writeback.h>
19 #include <trace/events/f2fs.h>
21 void f2fs_mark_inode_dirty_sync(struct inode
*inode
, bool sync
)
23 if (is_inode_flag_set(inode
, FI_NEW_INODE
))
26 if (f2fs_inode_dirtied(inode
, sync
))
29 mark_inode_dirty_sync(inode
);
32 void f2fs_set_inode_flags(struct inode
*inode
)
34 unsigned int flags
= F2FS_I(inode
)->i_flags
;
35 unsigned int new_fl
= 0;
37 if (flags
& F2FS_SYNC_FL
)
39 if (flags
& F2FS_APPEND_FL
)
41 if (flags
& F2FS_IMMUTABLE_FL
)
42 new_fl
|= S_IMMUTABLE
;
43 if (flags
& F2FS_NOATIME_FL
)
45 if (flags
& F2FS_DIRSYNC_FL
)
47 if (file_is_encrypt(inode
))
48 new_fl
|= S_ENCRYPTED
;
49 inode_set_flags(inode
, new_fl
,
50 S_SYNC
|S_APPEND
|S_IMMUTABLE
|S_NOATIME
|S_DIRSYNC
|
54 static void __get_inode_rdev(struct inode
*inode
, struct f2fs_inode
*ri
)
56 int extra_size
= get_extra_isize(inode
);
58 if (S_ISCHR(inode
->i_mode
) || S_ISBLK(inode
->i_mode
) ||
59 S_ISFIFO(inode
->i_mode
) || S_ISSOCK(inode
->i_mode
)) {
60 if (ri
->i_addr
[extra_size
])
61 inode
->i_rdev
= old_decode_dev(
62 le32_to_cpu(ri
->i_addr
[extra_size
]));
64 inode
->i_rdev
= new_decode_dev(
65 le32_to_cpu(ri
->i_addr
[extra_size
+ 1]));
69 static int __written_first_block(struct f2fs_sb_info
*sbi
,
70 struct f2fs_inode
*ri
)
72 block_t addr
= le32_to_cpu(ri
->i_addr
[offset_in_addr(ri
)]);
74 if (!__is_valid_data_blkaddr(addr
))
76 if (!f2fs_is_valid_blkaddr(sbi
, addr
, DATA_GENERIC
))
81 static void __set_inode_rdev(struct inode
*inode
, struct f2fs_inode
*ri
)
83 int extra_size
= get_extra_isize(inode
);
85 if (S_ISCHR(inode
->i_mode
) || S_ISBLK(inode
->i_mode
)) {
86 if (old_valid_dev(inode
->i_rdev
)) {
87 ri
->i_addr
[extra_size
] =
88 cpu_to_le32(old_encode_dev(inode
->i_rdev
));
89 ri
->i_addr
[extra_size
+ 1] = 0;
91 ri
->i_addr
[extra_size
] = 0;
92 ri
->i_addr
[extra_size
+ 1] =
93 cpu_to_le32(new_encode_dev(inode
->i_rdev
));
94 ri
->i_addr
[extra_size
+ 2] = 0;
99 static void __recover_inline_status(struct inode
*inode
, struct page
*ipage
)
101 void *inline_data
= inline_data_addr(inode
, ipage
);
102 __le32
*start
= inline_data
;
103 __le32
*end
= start
+ MAX_INLINE_DATA(inode
) / sizeof(__le32
);
105 while (start
< end
) {
107 f2fs_wait_on_page_writeback(ipage
, NODE
, true, true);
109 set_inode_flag(inode
, FI_DATA_EXIST
);
110 set_raw_inline(inode
, F2FS_INODE(ipage
));
111 set_page_dirty(ipage
);
118 static bool f2fs_enable_inode_chksum(struct f2fs_sb_info
*sbi
, struct page
*page
)
120 struct f2fs_inode
*ri
= &F2FS_NODE(page
)->i
;
122 if (!f2fs_sb_has_inode_chksum(sbi
))
125 if (!IS_INODE(page
) || !(ri
->i_inline
& F2FS_EXTRA_ATTR
))
128 if (!F2FS_FITS_IN_INODE(ri
, le16_to_cpu(ri
->i_extra_isize
),
135 static __u32
f2fs_inode_chksum(struct f2fs_sb_info
*sbi
, struct page
*page
)
137 struct f2fs_node
*node
= F2FS_NODE(page
);
138 struct f2fs_inode
*ri
= &node
->i
;
139 __le32 ino
= node
->footer
.ino
;
140 __le32 gen
= ri
->i_generation
;
141 __u32 chksum
, chksum_seed
;
143 unsigned int offset
= offsetof(struct f2fs_inode
, i_inode_checksum
);
144 unsigned int cs_size
= sizeof(dummy_cs
);
146 chksum
= f2fs_chksum(sbi
, sbi
->s_chksum_seed
, (__u8
*)&ino
,
148 chksum_seed
= f2fs_chksum(sbi
, chksum
, (__u8
*)&gen
, sizeof(gen
));
150 chksum
= f2fs_chksum(sbi
, chksum_seed
, (__u8
*)ri
, offset
);
151 chksum
= f2fs_chksum(sbi
, chksum
, (__u8
*)&dummy_cs
, cs_size
);
153 chksum
= f2fs_chksum(sbi
, chksum
, (__u8
*)ri
+ offset
,
154 F2FS_BLKSIZE
- offset
);
158 bool f2fs_inode_chksum_verify(struct f2fs_sb_info
*sbi
, struct page
*page
)
160 struct f2fs_inode
*ri
;
161 __u32 provided
, calculated
;
163 if (unlikely(is_sbi_flag_set(sbi
, SBI_IS_SHUTDOWN
)))
166 #ifdef CONFIG_F2FS_CHECK_FS
167 if (!f2fs_enable_inode_chksum(sbi
, page
))
169 if (!f2fs_enable_inode_chksum(sbi
, page
) ||
170 PageDirty(page
) || PageWriteback(page
))
174 ri
= &F2FS_NODE(page
)->i
;
175 provided
= le32_to_cpu(ri
->i_inode_checksum
);
176 calculated
= f2fs_inode_chksum(sbi
, page
);
178 if (provided
!= calculated
)
179 f2fs_msg(sbi
->sb
, KERN_WARNING
,
180 "checksum invalid, ino = %x, %x vs. %x",
181 ino_of_node(page
), provided
, calculated
);
183 return provided
== calculated
;
186 void f2fs_inode_chksum_set(struct f2fs_sb_info
*sbi
, struct page
*page
)
188 struct f2fs_inode
*ri
= &F2FS_NODE(page
)->i
;
190 if (!f2fs_enable_inode_chksum(sbi
, page
))
193 ri
->i_inode_checksum
= cpu_to_le32(f2fs_inode_chksum(sbi
, page
));
196 static bool sanity_check_inode(struct inode
*inode
, struct page
*node_page
)
198 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
199 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
200 unsigned long long iblocks
;
202 iblocks
= le64_to_cpu(F2FS_INODE(node_page
)->i_blocks
);
204 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
205 f2fs_msg(sbi
->sb
, KERN_WARNING
,
206 "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, "
208 __func__
, inode
->i_ino
, iblocks
);
212 if (ino_of_node(node_page
) != nid_of_node(node_page
)) {
213 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
214 f2fs_msg(sbi
->sb
, KERN_WARNING
,
215 "%s: corrupted inode footer i_ino=%lx, ino,nid: "
216 "[%u, %u] run fsck to fix.",
217 __func__
, inode
->i_ino
,
218 ino_of_node(node_page
), nid_of_node(node_page
));
222 if (f2fs_sb_has_flexible_inline_xattr(sbi
)
223 && !f2fs_has_extra_attr(inode
)) {
224 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
225 f2fs_msg(sbi
->sb
, KERN_WARNING
,
226 "%s: corrupted inode ino=%lx, run fsck to fix.",
227 __func__
, inode
->i_ino
);
231 if (f2fs_has_extra_attr(inode
) &&
232 !f2fs_sb_has_extra_attr(sbi
)) {
233 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
234 f2fs_msg(sbi
->sb
, KERN_WARNING
,
235 "%s: inode (ino=%lx) is with extra_attr, "
236 "but extra_attr feature is off",
237 __func__
, inode
->i_ino
);
241 if (fi
->i_extra_isize
> F2FS_TOTAL_EXTRA_ATTR_SIZE
||
242 fi
->i_extra_isize
% sizeof(__le32
)) {
243 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
244 f2fs_msg(sbi
->sb
, KERN_WARNING
,
245 "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, "
247 __func__
, inode
->i_ino
, fi
->i_extra_isize
,
248 F2FS_TOTAL_EXTRA_ATTR_SIZE
);
252 if (f2fs_has_extra_attr(inode
) &&
253 f2fs_sb_has_flexible_inline_xattr(sbi
) &&
254 f2fs_has_inline_xattr(inode
) &&
255 (!fi
->i_inline_xattr_size
||
256 fi
->i_inline_xattr_size
> MAX_INLINE_XATTR_SIZE
)) {
257 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
258 f2fs_msg(sbi
->sb
, KERN_WARNING
,
259 "%s: inode (ino=%lx) has corrupted "
260 "i_inline_xattr_size: %d, max: %zu",
261 __func__
, inode
->i_ino
, fi
->i_inline_xattr_size
,
262 MAX_INLINE_XATTR_SIZE
);
266 if (F2FS_I(inode
)->extent_tree
) {
267 struct extent_info
*ei
= &F2FS_I(inode
)->extent_tree
->largest
;
270 (!f2fs_is_valid_blkaddr(sbi
, ei
->blk
, DATA_GENERIC
) ||
271 !f2fs_is_valid_blkaddr(sbi
, ei
->blk
+ ei
->len
- 1,
273 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
274 f2fs_msg(sbi
->sb
, KERN_WARNING
,
275 "%s: inode (ino=%lx) extent info [%u, %u, %u] "
276 "is incorrect, run fsck to fix",
277 __func__
, inode
->i_ino
,
278 ei
->blk
, ei
->fofs
, ei
->len
);
283 if (f2fs_has_inline_data(inode
) &&
284 (!S_ISREG(inode
->i_mode
) && !S_ISLNK(inode
->i_mode
))) {
285 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
286 f2fs_msg(sbi
->sb
, KERN_WARNING
,
287 "%s: inode (ino=%lx, mode=%u) should not have "
288 "inline_data, run fsck to fix",
289 __func__
, inode
->i_ino
, inode
->i_mode
);
293 if (f2fs_has_inline_dentry(inode
) && !S_ISDIR(inode
->i_mode
)) {
294 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
295 f2fs_msg(sbi
->sb
, KERN_WARNING
,
296 "%s: inode (ino=%lx, mode=%u) should not have "
297 "inline_dentry, run fsck to fix",
298 __func__
, inode
->i_ino
, inode
->i_mode
);
305 static int do_read_inode(struct inode
*inode
)
307 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
308 struct f2fs_inode_info
*fi
= F2FS_I(inode
);
309 struct page
*node_page
;
310 struct f2fs_inode
*ri
;
314 /* Check if ino is within scope */
315 if (f2fs_check_nid_range(sbi
, inode
->i_ino
))
318 node_page
= f2fs_get_node_page(sbi
, inode
->i_ino
);
319 if (IS_ERR(node_page
))
320 return PTR_ERR(node_page
);
322 ri
= F2FS_INODE(node_page
);
324 inode
->i_mode
= le16_to_cpu(ri
->i_mode
);
325 i_uid_write(inode
, le32_to_cpu(ri
->i_uid
));
326 i_gid_write(inode
, le32_to_cpu(ri
->i_gid
));
327 set_nlink(inode
, le32_to_cpu(ri
->i_links
));
328 inode
->i_size
= le64_to_cpu(ri
->i_size
);
329 inode
->i_blocks
= SECTOR_FROM_BLOCK(le64_to_cpu(ri
->i_blocks
) - 1);
331 inode
->i_atime
.tv_sec
= le64_to_cpu(ri
->i_atime
);
332 inode
->i_ctime
.tv_sec
= le64_to_cpu(ri
->i_ctime
);
333 inode
->i_mtime
.tv_sec
= le64_to_cpu(ri
->i_mtime
);
334 inode
->i_atime
.tv_nsec
= le32_to_cpu(ri
->i_atime_nsec
);
335 inode
->i_ctime
.tv_nsec
= le32_to_cpu(ri
->i_ctime_nsec
);
336 inode
->i_mtime
.tv_nsec
= le32_to_cpu(ri
->i_mtime_nsec
);
337 inode
->i_generation
= le32_to_cpu(ri
->i_generation
);
338 if (S_ISDIR(inode
->i_mode
))
339 fi
->i_current_depth
= le32_to_cpu(ri
->i_current_depth
);
340 else if (S_ISREG(inode
->i_mode
))
341 fi
->i_gc_failures
[GC_FAILURE_PIN
] =
342 le16_to_cpu(ri
->i_gc_failures
);
343 fi
->i_xattr_nid
= le32_to_cpu(ri
->i_xattr_nid
);
344 fi
->i_flags
= le32_to_cpu(ri
->i_flags
);
346 fi
->i_advise
= ri
->i_advise
;
347 fi
->i_pino
= le32_to_cpu(ri
->i_pino
);
348 fi
->i_dir_level
= ri
->i_dir_level
;
350 if (f2fs_init_extent_tree(inode
, &ri
->i_ext
))
351 set_page_dirty(node_page
);
353 get_inline_info(inode
, ri
);
355 fi
->i_extra_isize
= f2fs_has_extra_attr(inode
) ?
356 le16_to_cpu(ri
->i_extra_isize
) : 0;
358 if (f2fs_sb_has_flexible_inline_xattr(sbi
)) {
359 fi
->i_inline_xattr_size
= le16_to_cpu(ri
->i_inline_xattr_size
);
360 } else if (f2fs_has_inline_xattr(inode
) ||
361 f2fs_has_inline_dentry(inode
)) {
362 fi
->i_inline_xattr_size
= DEFAULT_INLINE_XATTR_ADDRS
;
366 * Previous inline data or directory always reserved 200 bytes
367 * in inode layout, even if inline_xattr is disabled. In order
368 * to keep inline_dentry's structure for backward compatibility,
369 * we get the space back only from inline_data.
371 fi
->i_inline_xattr_size
= 0;
374 if (!sanity_check_inode(inode
, node_page
)) {
375 f2fs_put_page(node_page
, 1);
379 /* check data exist */
380 if (f2fs_has_inline_data(inode
) && !f2fs_exist_data(inode
))
381 __recover_inline_status(inode
, node_page
);
383 /* try to recover cold bit for non-dir inode */
384 if (!S_ISDIR(inode
->i_mode
) && !is_cold_node(node_page
)) {
385 set_cold_node(node_page
, false);
386 set_page_dirty(node_page
);
389 /* get rdev by using inline_info */
390 __get_inode_rdev(inode
, ri
);
392 if (S_ISREG(inode
->i_mode
)) {
393 err
= __written_first_block(sbi
, ri
);
395 f2fs_put_page(node_page
, 1);
399 set_inode_flag(inode
, FI_FIRST_BLOCK_WRITTEN
);
402 if (!f2fs_need_inode_block_update(sbi
, inode
->i_ino
))
403 fi
->last_disk_size
= inode
->i_size
;
405 if (fi
->i_flags
& F2FS_PROJINHERIT_FL
)
406 set_inode_flag(inode
, FI_PROJ_INHERIT
);
408 if (f2fs_has_extra_attr(inode
) && f2fs_sb_has_project_quota(sbi
) &&
409 F2FS_FITS_IN_INODE(ri
, fi
->i_extra_isize
, i_projid
))
410 i_projid
= (projid_t
)le32_to_cpu(ri
->i_projid
);
412 i_projid
= F2FS_DEF_PROJID
;
413 fi
->i_projid
= make_kprojid(&init_user_ns
, i_projid
);
415 if (f2fs_has_extra_attr(inode
) && f2fs_sb_has_inode_crtime(sbi
) &&
416 F2FS_FITS_IN_INODE(ri
, fi
->i_extra_isize
, i_crtime
)) {
417 fi
->i_crtime
.tv_sec
= le64_to_cpu(ri
->i_crtime
);
418 fi
->i_crtime
.tv_nsec
= le32_to_cpu(ri
->i_crtime_nsec
);
421 F2FS_I(inode
)->i_disk_time
[0] = inode
->i_atime
;
422 F2FS_I(inode
)->i_disk_time
[1] = inode
->i_ctime
;
423 F2FS_I(inode
)->i_disk_time
[2] = inode
->i_mtime
;
424 F2FS_I(inode
)->i_disk_time
[3] = F2FS_I(inode
)->i_crtime
;
425 f2fs_put_page(node_page
, 1);
427 stat_inc_inline_xattr(inode
);
428 stat_inc_inline_inode(inode
);
429 stat_inc_inline_dir(inode
);
434 struct inode
*f2fs_iget(struct super_block
*sb
, unsigned long ino
)
436 struct f2fs_sb_info
*sbi
= F2FS_SB(sb
);
440 inode
= iget_locked(sb
, ino
);
442 return ERR_PTR(-ENOMEM
);
444 if (!(inode
->i_state
& I_NEW
)) {
445 trace_f2fs_iget(inode
);
448 if (ino
== F2FS_NODE_INO(sbi
) || ino
== F2FS_META_INO(sbi
))
451 ret
= do_read_inode(inode
);
455 if (ino
== F2FS_NODE_INO(sbi
)) {
456 inode
->i_mapping
->a_ops
= &f2fs_node_aops
;
457 mapping_set_gfp_mask(inode
->i_mapping
, GFP_NOFS
);
458 } else if (ino
== F2FS_META_INO(sbi
)) {
459 inode
->i_mapping
->a_ops
= &f2fs_meta_aops
;
460 mapping_set_gfp_mask(inode
->i_mapping
, GFP_NOFS
);
461 } else if (S_ISREG(inode
->i_mode
)) {
462 inode
->i_op
= &f2fs_file_inode_operations
;
463 inode
->i_fop
= &f2fs_file_operations
;
464 inode
->i_mapping
->a_ops
= &f2fs_dblock_aops
;
465 } else if (S_ISDIR(inode
->i_mode
)) {
466 inode
->i_op
= &f2fs_dir_inode_operations
;
467 inode
->i_fop
= &f2fs_dir_operations
;
468 inode
->i_mapping
->a_ops
= &f2fs_dblock_aops
;
469 inode_nohighmem(inode
);
470 } else if (S_ISLNK(inode
->i_mode
)) {
471 if (file_is_encrypt(inode
))
472 inode
->i_op
= &f2fs_encrypted_symlink_inode_operations
;
474 inode
->i_op
= &f2fs_symlink_inode_operations
;
475 inode_nohighmem(inode
);
476 inode
->i_mapping
->a_ops
= &f2fs_dblock_aops
;
477 } else if (S_ISCHR(inode
->i_mode
) || S_ISBLK(inode
->i_mode
) ||
478 S_ISFIFO(inode
->i_mode
) || S_ISSOCK(inode
->i_mode
)) {
479 inode
->i_op
= &f2fs_special_inode_operations
;
480 init_special_inode(inode
, inode
->i_mode
, inode
->i_rdev
);
485 f2fs_set_inode_flags(inode
);
486 unlock_new_inode(inode
);
487 trace_f2fs_iget(inode
);
492 trace_f2fs_iget_exit(inode
, ret
);
496 struct inode
*f2fs_iget_retry(struct super_block
*sb
, unsigned long ino
)
500 inode
= f2fs_iget(sb
, ino
);
502 if (PTR_ERR(inode
) == -ENOMEM
) {
503 congestion_wait(BLK_RW_ASYNC
, HZ
/50);
510 void f2fs_update_inode(struct inode
*inode
, struct page
*node_page
)
512 struct f2fs_inode
*ri
;
513 struct extent_tree
*et
= F2FS_I(inode
)->extent_tree
;
515 f2fs_wait_on_page_writeback(node_page
, NODE
, true, true);
516 set_page_dirty(node_page
);
518 f2fs_inode_synced(inode
);
520 ri
= F2FS_INODE(node_page
);
522 ri
->i_mode
= cpu_to_le16(inode
->i_mode
);
523 ri
->i_advise
= F2FS_I(inode
)->i_advise
;
524 ri
->i_uid
= cpu_to_le32(i_uid_read(inode
));
525 ri
->i_gid
= cpu_to_le32(i_gid_read(inode
));
526 ri
->i_links
= cpu_to_le32(inode
->i_nlink
);
527 ri
->i_size
= cpu_to_le64(i_size_read(inode
));
528 ri
->i_blocks
= cpu_to_le64(SECTOR_TO_BLOCK(inode
->i_blocks
) + 1);
531 read_lock(&et
->lock
);
532 set_raw_extent(&et
->largest
, &ri
->i_ext
);
533 read_unlock(&et
->lock
);
535 memset(&ri
->i_ext
, 0, sizeof(ri
->i_ext
));
537 set_raw_inline(inode
, ri
);
539 ri
->i_atime
= cpu_to_le64(inode
->i_atime
.tv_sec
);
540 ri
->i_ctime
= cpu_to_le64(inode
->i_ctime
.tv_sec
);
541 ri
->i_mtime
= cpu_to_le64(inode
->i_mtime
.tv_sec
);
542 ri
->i_atime_nsec
= cpu_to_le32(inode
->i_atime
.tv_nsec
);
543 ri
->i_ctime_nsec
= cpu_to_le32(inode
->i_ctime
.tv_nsec
);
544 ri
->i_mtime_nsec
= cpu_to_le32(inode
->i_mtime
.tv_nsec
);
545 if (S_ISDIR(inode
->i_mode
))
546 ri
->i_current_depth
=
547 cpu_to_le32(F2FS_I(inode
)->i_current_depth
);
548 else if (S_ISREG(inode
->i_mode
))
550 cpu_to_le16(F2FS_I(inode
)->i_gc_failures
[GC_FAILURE_PIN
]);
551 ri
->i_xattr_nid
= cpu_to_le32(F2FS_I(inode
)->i_xattr_nid
);
552 ri
->i_flags
= cpu_to_le32(F2FS_I(inode
)->i_flags
);
553 ri
->i_pino
= cpu_to_le32(F2FS_I(inode
)->i_pino
);
554 ri
->i_generation
= cpu_to_le32(inode
->i_generation
);
555 ri
->i_dir_level
= F2FS_I(inode
)->i_dir_level
;
557 if (f2fs_has_extra_attr(inode
)) {
558 ri
->i_extra_isize
= cpu_to_le16(F2FS_I(inode
)->i_extra_isize
);
560 if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode
)))
561 ri
->i_inline_xattr_size
=
562 cpu_to_le16(F2FS_I(inode
)->i_inline_xattr_size
);
564 if (f2fs_sb_has_project_quota(F2FS_I_SB(inode
)) &&
565 F2FS_FITS_IN_INODE(ri
, F2FS_I(inode
)->i_extra_isize
,
569 i_projid
= from_kprojid(&init_user_ns
,
570 F2FS_I(inode
)->i_projid
);
571 ri
->i_projid
= cpu_to_le32(i_projid
);
574 if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode
)) &&
575 F2FS_FITS_IN_INODE(ri
, F2FS_I(inode
)->i_extra_isize
,
578 cpu_to_le64(F2FS_I(inode
)->i_crtime
.tv_sec
);
580 cpu_to_le32(F2FS_I(inode
)->i_crtime
.tv_nsec
);
584 __set_inode_rdev(inode
, ri
);
587 if (inode
->i_nlink
== 0)
588 clear_inline_node(node_page
);
590 F2FS_I(inode
)->i_disk_time
[0] = inode
->i_atime
;
591 F2FS_I(inode
)->i_disk_time
[1] = inode
->i_ctime
;
592 F2FS_I(inode
)->i_disk_time
[2] = inode
->i_mtime
;
593 F2FS_I(inode
)->i_disk_time
[3] = F2FS_I(inode
)->i_crtime
;
595 #ifdef CONFIG_F2FS_CHECK_FS
596 f2fs_inode_chksum_set(F2FS_I_SB(inode
), node_page
);
600 void f2fs_update_inode_page(struct inode
*inode
)
602 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
603 struct page
*node_page
;
605 node_page
= f2fs_get_node_page(sbi
, inode
->i_ino
);
606 if (IS_ERR(node_page
)) {
607 int err
= PTR_ERR(node_page
);
608 if (err
== -ENOMEM
) {
611 } else if (err
!= -ENOENT
) {
612 f2fs_stop_checkpoint(sbi
, false);
616 f2fs_update_inode(inode
, node_page
);
617 f2fs_put_page(node_page
, 1);
620 int f2fs_write_inode(struct inode
*inode
, struct writeback_control
*wbc
)
622 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
624 if (inode
->i_ino
== F2FS_NODE_INO(sbi
) ||
625 inode
->i_ino
== F2FS_META_INO(sbi
))
628 if (!is_inode_flag_set(inode
, FI_DIRTY_INODE
))
631 if (f2fs_is_checkpoint_ready(sbi
))
635 * We need to balance fs here to prevent from producing dirty node pages
636 * during the urgent cleaning time when runing out of free sections.
638 f2fs_update_inode_page(inode
);
639 if (wbc
&& wbc
->nr_to_write
)
640 f2fs_balance_fs(sbi
, true);
645 * Called at the last iput() if i_nlink is zero
647 void f2fs_evict_inode(struct inode
*inode
)
649 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
650 nid_t xnid
= F2FS_I(inode
)->i_xattr_nid
;
653 /* some remained atomic pages should discarded */
654 if (f2fs_is_atomic_file(inode
))
655 f2fs_drop_inmem_pages(inode
);
657 trace_f2fs_evict_inode(inode
);
658 truncate_inode_pages_final(&inode
->i_data
);
660 if (inode
->i_ino
== F2FS_NODE_INO(sbi
) ||
661 inode
->i_ino
== F2FS_META_INO(sbi
))
664 f2fs_bug_on(sbi
, get_dirty_pages(inode
));
665 f2fs_remove_dirty_inode(inode
);
667 f2fs_destroy_extent_tree(inode
);
669 if (inode
->i_nlink
|| is_bad_inode(inode
))
672 err
= dquot_initialize(inode
);
675 set_sbi_flag(sbi
, SBI_QUOTA_NEED_REPAIR
);
678 f2fs_remove_ino_entry(sbi
, inode
->i_ino
, APPEND_INO
);
679 f2fs_remove_ino_entry(sbi
, inode
->i_ino
, UPDATE_INO
);
680 f2fs_remove_ino_entry(sbi
, inode
->i_ino
, FLUSH_INO
);
682 sb_start_intwrite(inode
->i_sb
);
683 set_inode_flag(inode
, FI_NO_ALLOC
);
684 i_size_write(inode
, 0);
686 if (F2FS_HAS_BLOCKS(inode
))
687 err
= f2fs_truncate(inode
);
689 if (time_to_inject(sbi
, FAULT_EVICT_INODE
)) {
690 f2fs_show_injection_info(FAULT_EVICT_INODE
);
696 err
= f2fs_remove_inode_page(inode
);
702 /* give more chances, if ENOMEM case */
703 if (err
== -ENOMEM
) {
709 f2fs_update_inode_page(inode
);
710 set_sbi_flag(sbi
, SBI_QUOTA_NEED_REPAIR
);
712 sb_end_intwrite(inode
->i_sb
);
716 stat_dec_inline_xattr(inode
);
717 stat_dec_inline_dir(inode
);
718 stat_dec_inline_inode(inode
);
720 if (likely(!is_set_ckpt_flags(sbi
, CP_ERROR_FLAG
) &&
721 !is_sbi_flag_set(sbi
, SBI_CP_DISABLED
)))
722 f2fs_bug_on(sbi
, is_inode_flag_set(inode
, FI_DIRTY_INODE
));
724 f2fs_inode_synced(inode
);
726 /* ino == 0, if f2fs_new_inode() was failed t*/
728 invalidate_mapping_pages(NODE_MAPPING(sbi
), inode
->i_ino
,
731 invalidate_mapping_pages(NODE_MAPPING(sbi
), xnid
, xnid
);
732 if (inode
->i_nlink
) {
733 if (is_inode_flag_set(inode
, FI_APPEND_WRITE
))
734 f2fs_add_ino_entry(sbi
, inode
->i_ino
, APPEND_INO
);
735 if (is_inode_flag_set(inode
, FI_UPDATE_WRITE
))
736 f2fs_add_ino_entry(sbi
, inode
->i_ino
, UPDATE_INO
);
738 if (is_inode_flag_set(inode
, FI_FREE_NID
)) {
739 f2fs_alloc_nid_failed(sbi
, inode
->i_ino
);
740 clear_inode_flag(inode
, FI_FREE_NID
);
743 * If xattr nid is corrupted, we can reach out error condition,
744 * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)).
745 * In that case, f2fs_check_nid_range() is enough to give a clue.
749 fscrypt_put_encryption_info(inode
);
753 /* caller should call f2fs_lock_op() */
754 void f2fs_handle_failed_inode(struct inode
*inode
)
756 struct f2fs_sb_info
*sbi
= F2FS_I_SB(inode
);
761 * clear nlink of inode in order to release resource of inode
767 * we must call this to avoid inode being remained as dirty, resulting
768 * in a panic when flushing dirty inodes in gdirty_list.
770 f2fs_update_inode_page(inode
);
771 f2fs_inode_synced(inode
);
773 /* don't make bad inode, since it becomes a regular file. */
774 unlock_new_inode(inode
);
777 * Note: we should add inode to orphan list before f2fs_unlock_op()
778 * so we can prevent losing this orphan when encoutering checkpoint
779 * and following suddenly power-off.
781 err
= f2fs_get_node_info(sbi
, inode
->i_ino
, &ni
);
783 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
784 f2fs_msg(sbi
->sb
, KERN_WARNING
,
785 "May loss orphan inode, run fsck to fix.");
789 if (ni
.blk_addr
!= NULL_ADDR
) {
790 err
= f2fs_acquire_orphan_inode(sbi
);
792 set_sbi_flag(sbi
, SBI_NEED_FSCK
);
793 f2fs_msg(sbi
->sb
, KERN_WARNING
,
794 "Too many orphan inodes, run fsck to fix.");
796 f2fs_add_orphan_inode(inode
);
798 f2fs_alloc_nid_done(sbi
, inode
->i_ino
);
800 set_inode_flag(inode
, FI_FREE_NID
);
806 /* iput will drop the inode object */