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f2fs: rework fault injection handling to avoid a warning
[linux-2.6-block.git] / fs / f2fs / inode.c
CommitLineData
0a8165d7 1/*
19f99cee
JK		 2 * fs/f2fs/inode.c
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11#include <linux/fs.h>
12#include <linux/f2fs_fs.h>
13#include <linux/buffer_head.h>
e8ea9b3d 14#include <linux/backing-dev.h>
19f99cee
JK		 15#include <linux/writeback.h>
16
17#include "f2fs.h"
18#include "node.h"
0eb0adad 19#include "segment.h"
19f99cee 20
a2a4a7e4
NJ		 21#include <trace/events/f2fs.h>
22
7c45729a 23void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync)
b56ab837 24{
9ac1e2d8
DJ		 25 if (is_inode_flag_set(inode, FI_NEW_INODE))
26 return;
27
7c45729a 28 if (f2fs_inode_dirtied(inode, sync))
b56ab837 29 return;
7c45729a 30
b56ab837
JK		 31 mark_inode_dirty_sync(inode);
32}
33
19f99cee
JK		 34void f2fs_set_inode_flags(struct inode *inode)
35{
36 unsigned int flags = F2FS_I(inode)->i_flags;
8abfb36a 37 unsigned int new_fl = 0;
19f99cee 38
59c84408 39 if (flags & F2FS_SYNC_FL)
8abfb36a 40 new_fl |= S_SYNC;
59c84408 41 if (flags & F2FS_APPEND_FL)
8abfb36a 42 new_fl |= S_APPEND;
59c84408 43 if (flags & F2FS_IMMUTABLE_FL)
8abfb36a 44 new_fl |= S_IMMUTABLE;
59c84408 45 if (flags & F2FS_NOATIME_FL)
8abfb36a 46 new_fl |= S_NOATIME;
59c84408 47 if (flags & F2FS_DIRSYNC_FL)
8abfb36a 48 new_fl |= S_DIRSYNC;
2ee6a576
EB		 49 if (f2fs_encrypted_inode(inode))
50 new_fl |= S_ENCRYPTED;
6a678857 51 inode_set_flags(inode, new_fl,
2ee6a576
EB		 52 S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|
53 S_ENCRYPTED);
19f99cee
JK		 54}
55
3d1e3807
JK		 56static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
57{
7a2af766
CY		 58 int extra_size = get_extra_isize(inode);
59
3d1e3807
JK		 60 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
61 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
7a2af766
CY		 62 if (ri->i_addr[extra_size])
63 inode->i_rdev = old_decode_dev(
64 le32_to_cpu(ri->i_addr[extra_size]));
3d1e3807 65 else
7a2af766
CY		 66 inode->i_rdev = new_decode_dev(
67 le32_to_cpu(ri->i_addr[extra_size + 1]));
3d1e3807
JK		 68 }
69}
70
91291e99 71static int __written_first_block(struct f2fs_sb_info *sbi,
e1da7872 72 struct f2fs_inode *ri)
3c6c2beb 73{
7a2af766 74 block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]);
adad81ed 75
91291e99
CY		 76 if (!__is_valid_data_blkaddr(addr))
77 return 1;
78 if (!f2fs_is_valid_blkaddr(sbi, addr, DATA_GENERIC))
79 return -EFAULT;
80 return 0;
3c6c2beb
JK		 81}
82
3d1e3807
JK		 83static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
84{
7a2af766
CY		 85 int extra_size = get_extra_isize(inode);
86
3d1e3807
JK		 87 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
88 if (old_valid_dev(inode->i_rdev)) {
7a2af766 89 ri->i_addr[extra_size] =
6c311ec6 90 cpu_to_le32(old_encode_dev(inode->i_rdev));
7a2af766 91 ri->i_addr[extra_size + 1] = 0;
3d1e3807 92 } else {
7a2af766
CY		 93 ri->i_addr[extra_size] = 0;
94 ri->i_addr[extra_size + 1] =
6c311ec6 95 cpu_to_le32(new_encode_dev(inode->i_rdev));
7a2af766 96 ri->i_addr[extra_size + 2] = 0;
3d1e3807
JK		 97 }
98 }
99}
100
9e5ba77f 101static void __recover_inline_status(struct inode *inode, struct page *ipage)
b3d208f9 102{
f2470371 103 void *inline_data = inline_data_addr(inode, ipage);
9e5ba77f 104 __le32 *start = inline_data;
f2470371 105 __le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32);
b3d208f9 106
9e5ba77f
CY		 107 while (start < end) {
108 if (*start++) {
fec1d657 109 f2fs_wait_on_page_writeback(ipage, NODE, true);
b3d208f9 110
91942321
JK		 111 set_inode_flag(inode, FI_DATA_EXIST);
112 set_raw_inline(inode, F2FS_INODE(ipage));
9e5ba77f
CY		 113 set_page_dirty(ipage);
114 return;
115 }
b3d208f9 116 }
9e5ba77f 117 return;
b3d208f9
JK		 118}
119
704956ec
CY		 120static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
121{
122 struct f2fs_inode *ri = &F2FS_NODE(page)->i;
704956ec
CY		 123
124 if (!f2fs_sb_has_inode_chksum(sbi->sb))
125 return false;
126
4c6b56c0 127 if (!IS_INODE(page) || !(ri->i_inline & F2FS_EXTRA_ATTR))
704956ec
CY		 128 return false;
129
d6964949
ZZ		 130 if (!F2FS_FITS_IN_INODE(ri, le16_to_cpu(ri->i_extra_isize),
131 i_inode_checksum))
704956ec
CY		 132 return false;
133
134 return true;
135}
136
137static __u32 f2fs_inode_chksum(struct f2fs_sb_info *sbi, struct page *page)
138{
139 struct f2fs_node *node = F2FS_NODE(page);
140 struct f2fs_inode *ri = &node->i;
141 __le32 ino = node->footer.ino;
142 __le32 gen = ri->i_generation;
143 __u32 chksum, chksum_seed;
144 __u32 dummy_cs = 0;
145 unsigned int offset = offsetof(struct f2fs_inode, i_inode_checksum);
146 unsigned int cs_size = sizeof(dummy_cs);
147
148 chksum = f2fs_chksum(sbi, sbi->s_chksum_seed, (__u8 *)&ino,
149 sizeof(ino));
150 chksum_seed = f2fs_chksum(sbi, chksum, (__u8 *)&gen, sizeof(gen));
151
152 chksum = f2fs_chksum(sbi, chksum_seed, (__u8 *)ri, offset);
153 chksum = f2fs_chksum(sbi, chksum, (__u8 *)&dummy_cs, cs_size);
154 offset += cs_size;
155 chksum = f2fs_chksum(sbi, chksum, (__u8 *)ri + offset,
156 F2FS_BLKSIZE - offset);
157 return chksum;
158}
159
160bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
161{
162 struct f2fs_inode *ri;
163 __u32 provided, calculated;
164
83a3bfdb
JK		 165 if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)))
166 return true;
167
54c55c4e
WG		 168#ifdef CONFIG_F2FS_CHECK_FS
169 if (!f2fs_enable_inode_chksum(sbi, page))
170#else
ee605234
JK		 171 if (!f2fs_enable_inode_chksum(sbi, page) ||
172 PageDirty(page) || PageWriteback(page))
54c55c4e 173#endif
704956ec
CY		 174 return true;
175
176 ri = &F2FS_NODE(page)->i;
177 provided = le32_to_cpu(ri->i_inode_checksum);
178 calculated = f2fs_inode_chksum(sbi, page);
179
180 if (provided != calculated)
181 f2fs_msg(sbi->sb, KERN_WARNING,
182 "checksum invalid, ino = %x, %x vs. %x",
183 ino_of_node(page), provided, calculated);
184
185 return provided == calculated;
186}
187
188void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page)
189{
190 struct f2fs_inode *ri = &F2FS_NODE(page)->i;
191
192 if (!f2fs_enable_inode_chksum(sbi, page))
193 return;
194
195 ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page));
196}
197
e34438c9 198static bool sanity_check_inode(struct inode *inode, struct page *node_page)
5d64600d
JK		 199{
200 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
18dd6470 201 struct f2fs_inode_info *fi = F2FS_I(inode);
e34438c9
CY		 202 unsigned long long iblocks;
203
204 iblocks = le64_to_cpu(F2FS_INODE(node_page)->i_blocks);
205 if (!iblocks) {
206 set_sbi_flag(sbi, SBI_NEED_FSCK);
207 f2fs_msg(sbi->sb, KERN_WARNING,
208 "%s: corrupted inode i_blocks i_ino=%lx iblocks=%llu, "
209 "run fsck to fix.",
210 __func__, inode->i_ino, iblocks);
211 return false;
212 }
213
214 if (ino_of_node(node_page) != nid_of_node(node_page)) {
215 set_sbi_flag(sbi, SBI_NEED_FSCK);
216 f2fs_msg(sbi->sb, KERN_WARNING,
217 "%s: corrupted inode footer i_ino=%lx, ino,nid: "
218 "[%u, %u] run fsck to fix.",
219 __func__, inode->i_ino,
220 ino_of_node(node_page), nid_of_node(node_page));
221 return false;
222 }
5d64600d
JK		 223
224 if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)
225 && !f2fs_has_extra_attr(inode)) {
226 set_sbi_flag(sbi, SBI_NEED_FSCK);
227 f2fs_msg(sbi->sb, KERN_WARNING,
228 "%s: corrupted inode ino=%lx, run fsck to fix.",
229 __func__, inode->i_ino);
230 return false;
231 }
76d56d4a
CY		 232
233 if (f2fs_has_extra_attr(inode) &&
234 !f2fs_sb_has_extra_attr(sbi->sb)) {
235 set_sbi_flag(sbi, SBI_NEED_FSCK);
236 f2fs_msg(sbi->sb, KERN_WARNING,
237 "%s: inode (ino=%lx) is with extra_attr, "
238 "but extra_attr feature is off",
239 __func__, inode->i_ino);
240 return false;
241 }
c9b60788 242
18dd6470
CY		 243 if (fi->i_extra_isize > F2FS_TOTAL_EXTRA_ATTR_SIZE ||
244 fi->i_extra_isize % sizeof(__le32)) {
245 set_sbi_flag(sbi, SBI_NEED_FSCK);
246 f2fs_msg(sbi->sb, KERN_WARNING,
247 "%s: inode (ino=%lx) has corrupted i_extra_isize: %d, "
248 "max: %zu",
249 __func__, inode->i_ino, fi->i_extra_isize,
250 F2FS_TOTAL_EXTRA_ATTR_SIZE);
251 return false;
252 }
253
c9b60788
CY		 254 if (F2FS_I(inode)->extent_tree) {
255 struct extent_info *ei = &F2FS_I(inode)->extent_tree->largest;
256
257 if (ei->len &&
258 (!f2fs_is_valid_blkaddr(sbi, ei->blk, DATA_GENERIC) ||
259 !f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
260 DATA_GENERIC))) {
261 set_sbi_flag(sbi, SBI_NEED_FSCK);
262 f2fs_msg(sbi->sb, KERN_WARNING,
263 "%s: inode (ino=%lx) extent info [%u, %u, %u] "
264 "is incorrect, run fsck to fix",
265 __func__, inode->i_ino,
266 ei->blk, ei->fofs, ei->len);
267 return false;
268 }
269 }
bcbfbd60
CY		 270
271 if (f2fs_has_inline_data(inode) &&
272 (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))) {
273 set_sbi_flag(sbi, SBI_NEED_FSCK);
274 f2fs_msg(sbi->sb, KERN_WARNING,
275 "%s: inode (ino=%lx, mode=%u) should not have "
276 "inline_data, run fsck to fix",
277 __func__, inode->i_ino, inode->i_mode);
278 return false;
279 }
280
281 if (f2fs_has_inline_dentry(inode) && !S_ISDIR(inode->i_mode)) {
282 set_sbi_flag(sbi, SBI_NEED_FSCK);
283 f2fs_msg(sbi->sb, KERN_WARNING,
284 "%s: inode (ino=%lx, mode=%u) should not have "
285 "inline_dentry, run fsck to fix",
286 __func__, inode->i_ino, inode->i_mode);
287 return false;
288 }
289
5d64600d
JK		 290 return true;
291}
292
19f99cee
JK		 293static int do_read_inode(struct inode *inode)
294{
4081363f 295 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
19f99cee
JK		 296 struct f2fs_inode_info *fi = F2FS_I(inode);
297 struct page *node_page;
19f99cee 298 struct f2fs_inode *ri;
5c57132e 299 projid_t i_projid;
91291e99 300 int err;
19f99cee
JK		 301
302 /* Check if ino is within scope */
4d57b86d 303 if (f2fs_check_nid_range(sbi, inode->i_ino))
064e0823 304 return -EINVAL;
19f99cee 305
4d57b86d 306 node_page = f2fs_get_node_page(sbi, inode->i_ino);
19f99cee
JK		 307 if (IS_ERR(node_page))
308 return PTR_ERR(node_page);
309
58bfaf44 310 ri = F2FS_INODE(node_page);
19f99cee
JK		 311
312 inode->i_mode = le16_to_cpu(ri->i_mode);
313 i_uid_write(inode, le32_to_cpu(ri->i_uid));
314 i_gid_write(inode, le32_to_cpu(ri->i_gid));
315 set_nlink(inode, le32_to_cpu(ri->i_links));
316 inode->i_size = le64_to_cpu(ri->i_size);
000519f2 317 inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1);
19f99cee
JK		 318
319 inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime);
320 inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime);
321 inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime);
322 inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec);
323 inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec);
324 inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec);
325 inode->i_generation = le32_to_cpu(ri->i_generation);
1c41e680
CY		 326 if (S_ISDIR(inode->i_mode))
327 fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
328 else if (S_ISREG(inode->i_mode))
2ef79ecb
CY		 329 fi->i_gc_failures[GC_FAILURE_PIN] =
330 le16_to_cpu(ri->i_gc_failures);
19f99cee
JK		 331 fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
332 fi->i_flags = le32_to_cpu(ri->i_flags);
333 fi->flags = 0;
19f99cee 334 fi->i_advise = ri->i_advise;
6666e6aa 335 fi->i_pino = le32_to_cpu(ri->i_pino);
38431545 336 fi->i_dir_level = ri->i_dir_level;
3d1e3807 337
ed3d1256
JK		 338 if (f2fs_init_extent_tree(inode, &ri->i_ext))
339 set_page_dirty(node_page);
0c872e2d 340
91942321 341 get_inline_info(inode, ri);
3d1e3807 342
7a2af766
CY		 343 fi->i_extra_isize = f2fs_has_extra_attr(inode) ?
344 le16_to_cpu(ri->i_extra_isize) : 0;
345
6afc662e 346 if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)) {
6afc662e
CY		 347 fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size);
348 } else if (f2fs_has_inline_xattr(inode) ||
349 f2fs_has_inline_dentry(inode)) {
350 fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
351 } else {
352
353 /*
354 * Previous inline data or directory always reserved 200 bytes
355 * in inode layout, even if inline_xattr is disabled. In order
356 * to keep inline_dentry's structure for backward compatibility,
357 * we get the space back only from inline_data.
358 */
359 fi->i_inline_xattr_size = 0;
360 }
361
18dd6470
CY		 362 if (!sanity_check_inode(inode, node_page)) {
363 f2fs_put_page(node_page, 1);
364 return -EINVAL;
365 }
366
b3d208f9
JK		 367 /* check data exist */
368 if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
9e5ba77f 369 __recover_inline_status(inode, node_page);
b3d208f9 370
3d1e3807
JK		 371 /* get rdev by using inline_info */
372 __get_inode_rdev(inode, ri);
373
91291e99
CY		 374 err = __written_first_block(sbi, ri);
375 if (err < 0) {
376 f2fs_put_page(node_page, 1);
377 return err;
378 }
379 if (!err)
91942321 380 set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
3c6c2beb 381
4d57b86d 382 if (!f2fs_need_inode_block_update(sbi, inode->i_ino))
26de9b11
JK		 383 fi->last_disk_size = inode->i_size;
384
59c84408 385 if (fi->i_flags & F2FS_PROJINHERIT_FL)
5c57132e
CY		 386 set_inode_flag(inode, FI_PROJ_INHERIT);
387
388 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi->sb) &&
389 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid))
390 i_projid = (projid_t)le32_to_cpu(ri->i_projid);
391 else
392 i_projid = F2FS_DEF_PROJID;
393 fi->i_projid = make_kprojid(&init_user_ns, i_projid);
394
1c1d35df
CY		 395 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) &&
396 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
397 fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
398 fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
399 }
400
24b81dfc
AB		 401 F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
402 F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
403 F2FS_I(inode)->i_disk_time[2] = inode->i_mtime;
214c2461 404 F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
19f99cee 405 f2fs_put_page(node_page, 1);
9d1015dd 406
d5e8f6c9 407 stat_inc_inline_xattr(inode);
9d1015dd
JK		 408 stat_inc_inline_inode(inode);
409 stat_inc_inline_dir(inode);
410
9e5ba77f 411 return 0;
19f99cee
JK		 412}
413
414struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
415{
416 struct f2fs_sb_info *sbi = F2FS_SB(sb);
417 struct inode *inode;
a2a4a7e4 418 int ret = 0;
19f99cee
JK		 419
420 inode = iget_locked(sb, ino);
421 if (!inode)
422 return ERR_PTR(-ENOMEM);
a2a4a7e4
NJ		 423
424 if (!(inode->i_state & I_NEW)) {
425 trace_f2fs_iget(inode);
19f99cee 426 return inode;
a2a4a7e4 427 }
19f99cee
JK		 428 if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi))
429 goto make_now;
430
431 ret = do_read_inode(inode);
432 if (ret)
433 goto bad_inode;
19f99cee
JK		 434make_now:
435 if (ino == F2FS_NODE_INO(sbi)) {
436 inode->i_mapping->a_ops = &f2fs_node_aops;
81114baa 437 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
19f99cee
JK		 438 } else if (ino == F2FS_META_INO(sbi)) {
439 inode->i_mapping->a_ops = &f2fs_meta_aops;
81114baa 440 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
19f99cee
JK		 441 } else if (S_ISREG(inode->i_mode)) {
442 inode->i_op = &f2fs_file_inode_operations;
443 inode->i_fop = &f2fs_file_operations;
444 inode->i_mapping->a_ops = &f2fs_dblock_aops;
445 } else if (S_ISDIR(inode->i_mode)) {
446 inode->i_op = &f2fs_dir_inode_operations;
447 inode->i_fop = &f2fs_dir_operations;
448 inode->i_mapping->a_ops = &f2fs_dblock_aops;
bdbc90fa 449 inode_nohighmem(inode);
19f99cee 450 } else if (S_ISLNK(inode->i_mode)) {
cbaf042a
JK		 451 if (f2fs_encrypted_inode(inode))
452 inode->i_op = &f2fs_encrypted_symlink_inode_operations;
453 else
454 inode->i_op = &f2fs_symlink_inode_operations;
21fc61c7 455 inode_nohighmem(inode);
19f99cee
JK		 456 inode->i_mapping->a_ops = &f2fs_dblock_aops;
457 } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
458 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
459 inode->i_op = &f2fs_special_inode_operations;
460 init_special_inode(inode, inode->i_mode, inode->i_rdev);
461 } else {
462 ret = -EIO;
463 goto bad_inode;
464 }
93607124 465 f2fs_set_inode_flags(inode);
19f99cee 466 unlock_new_inode(inode);
a2a4a7e4 467 trace_f2fs_iget(inode);
19f99cee
JK		 468 return inode;
469
470bad_inode:
471 iget_failed(inode);
a2a4a7e4 472 trace_f2fs_iget_exit(inode, ret);
19f99cee
JK		 473 return ERR_PTR(ret);
474}
475
e8ea9b3d
JK		 476struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino)
477{
478 struct inode *inode;
479retry:
480 inode = f2fs_iget(sb, ino);
481 if (IS_ERR(inode)) {
482 if (PTR_ERR(inode) == -ENOMEM) {
483 congestion_wait(BLK_RW_ASYNC, HZ/50);
484 goto retry;
485 }
486 }
487 return inode;
488}
489
4d57b86d 490void f2fs_update_inode(struct inode *inode, struct page *node_page)
19f99cee 491{
19f99cee 492 struct f2fs_inode *ri;
b691d98f 493 struct extent_tree *et = F2FS_I(inode)->extent_tree;
19f99cee 494
fec1d657 495 f2fs_wait_on_page_writeback(node_page, NODE, true);
211a6fa0
YH		 496 set_page_dirty(node_page);
497
498 f2fs_inode_synced(inode);
19f99cee 499
58bfaf44 500 ri = F2FS_INODE(node_page);
19f99cee
JK		 501
502 ri->i_mode = cpu_to_le16(inode->i_mode);
503 ri->i_advise = F2FS_I(inode)->i_advise;
504 ri->i_uid = cpu_to_le32(i_uid_read(inode));
505 ri->i_gid = cpu_to_le32(i_gid_read(inode));
506 ri->i_links = cpu_to_le32(inode->i_nlink);
507 ri->i_size = cpu_to_le64(i_size_read(inode));
000519f2 508 ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1);
0c872e2d 509
b691d98f
CY		 510 if (et) {
511 read_lock(&et->lock);
512 set_raw_extent(&et->largest, &ri->i_ext);
513 read_unlock(&et->lock);
514 } else {
3e72f721 515 memset(&ri->i_ext, 0, sizeof(ri->i_ext));
b691d98f 516 }
91942321 517 set_raw_inline(inode, ri);
19f99cee
JK		 518
519 ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
520 ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
521 ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec);
522 ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
523 ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
524 ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
1c41e680
CY		 525 if (S_ISDIR(inode->i_mode))
526 ri->i_current_depth =
527 cpu_to_le32(F2FS_I(inode)->i_current_depth);
528 else if (S_ISREG(inode->i_mode))
2ef79ecb
CY		 529 ri->i_gc_failures =
530 cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]);
19f99cee
JK		 531 ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid);
532 ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags);
6666e6aa 533 ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
19f99cee 534 ri->i_generation = cpu_to_le32(inode->i_generation);
38431545 535 ri->i_dir_level = F2FS_I(inode)->i_dir_level;
7d79e75f 536
5c57132e 537 if (f2fs_has_extra_attr(inode)) {
7a2af766
CY		 538 ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize);
539
6afc662e
CY		 540 if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)->sb))
541 ri->i_inline_xattr_size =
542 cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size);
543
5c57132e
CY		 544 if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)->sb) &&
545 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
546 i_projid)) {
547 projid_t i_projid;
548
549 i_projid = from_kprojid(&init_user_ns,
550 F2FS_I(inode)->i_projid);
551 ri->i_projid = cpu_to_le32(i_projid);
552 }
1c1d35df
CY		 553
554 if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) &&
555 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
556 i_crtime)) {
557 ri->i_crtime =
558 cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
559 ri->i_crtime_nsec =
560 cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
561 }
5c57132e
CY		 562 }
563
3d1e3807 564 __set_inode_rdev(inode, ri);
12719ae1 565
2049d4fc
JK		 566 /* deleted inode */
567 if (inode->i_nlink == 0)
568 clear_inline_node(node_page);
569
24b81dfc
AB		 570 F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
571 F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
572 F2FS_I(inode)->i_disk_time[2] = inode->i_mtime;
214c2461 573 F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
54c55c4e
WG		 574
575#ifdef CONFIG_F2FS_CHECK_FS
576 f2fs_inode_chksum_set(F2FS_I_SB(inode), node_page);
577#endif
19f99cee
JK		 578}
579
4d57b86d 580void f2fs_update_inode_page(struct inode *inode)
19f99cee 581{
4081363f 582 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
19f99cee 583 struct page *node_page;
744602cf 584retry:
4d57b86d 585 node_page = f2fs_get_node_page(sbi, inode->i_ino);
744602cf
JK		 586 if (IS_ERR(node_page)) {
587 int err = PTR_ERR(node_page);
588 if (err == -ENOMEM) {
589 cond_resched();
590 goto retry;
591 } else if (err != -ENOENT) {
38f91ca8 592 f2fs_stop_checkpoint(sbi, false);
744602cf 593 }
211a6fa0 594 return;
744602cf 595 }
4d57b86d 596 f2fs_update_inode(inode, node_page);
19f99cee 597 f2fs_put_page(node_page, 1);
19f99cee
JK		 598}
599
39936837
JK		 600int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
601{
4081363f 602 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
39936837
JK		 603
604 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
605 inode->i_ino == F2FS_META_INO(sbi))
606 return 0;
607
91942321 608 if (!is_inode_flag_set(inode, FI_DIRTY_INODE))
b3783873
JK		 609 return 0;
610
39936837 611 /*
c5cd29d2 612 * We need to balance fs here to prevent from producing dirty node pages
39936837
JK		 613 * during the urgent cleaning time when runing out of free sections.
614 */
4d57b86d 615 f2fs_update_inode_page(inode);
a7881893 616 if (wbc && wbc->nr_to_write)
2c4db1a6 617 f2fs_balance_fs(sbi, true);
744602cf 618 return 0;
39936837
JK		 619}
620
0a8165d7 621/*
19f99cee
JK		 622 * Called at the last iput() if i_nlink is zero
623 */
624void f2fs_evict_inode(struct inode *inode)
625{
4081363f 626 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
91942321 627 nid_t xnid = F2FS_I(inode)->i_xattr_nid;
13ec7297 628 int err = 0;
19f99cee 629
88b88a66 630 /* some remained atomic pages should discarded */
1e84371f 631 if (f2fs_is_atomic_file(inode))
4d57b86d 632 f2fs_drop_inmem_pages(inode);
88b88a66 633
a2a4a7e4 634 trace_f2fs_evict_inode(inode);
91b0abe3 635 truncate_inode_pages_final(&inode->i_data);
19f99cee
JK		 636
637 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
638 inode->i_ino == F2FS_META_INO(sbi))
dbf20cb2 639 goto out_clear;
19f99cee 640
a7ffdbe2 641 f2fs_bug_on(sbi, get_dirty_pages(inode));
4d57b86d 642 f2fs_remove_dirty_inode(inode);
19f99cee 643
3e72f721
JK		 644 f2fs_destroy_extent_tree(inode);
645
19f99cee
JK		 646 if (inode->i_nlink || is_bad_inode(inode))
647 goto no_delete;
648
0abd675e
CY		 649 dquot_initialize(inode);
650
4d57b86d
CY		 651 f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO);
652 f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
653 f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO);
60dcedc9 654
d6212a5f 655 sb_start_intwrite(inode->i_sb);
91942321 656 set_inode_flag(inode, FI_NO_ALLOC);
19f99cee 657 i_size_write(inode, 0);
4c0c2949 658retry:
19f99cee 659 if (F2FS_HAS_BLOCKS(inode))
9a449e9c 660 err = f2fs_truncate(inode);
19f99cee 661
8c1b3c0f
JK		 662 if (time_to_inject(sbi, FAULT_EVICT_INODE)) {
663 f2fs_show_injection_info(FAULT_EVICT_INODE);
664 err = -EIO;
665 }
7fa750a1 666
13ec7297
CY		 667 if (!err) {
668 f2fs_lock_op(sbi);
4d57b86d 669 err = f2fs_remove_inode_page(inode);
13ec7297 670 f2fs_unlock_op(sbi);
a11b9f65
CY		 671 if (err == -ENOENT)
672 err = 0;
13ec7297 673 }
39936837 674
4c0c2949
JK		 675 /* give more chances, if ENOMEM case */
676 if (err == -ENOMEM) {
677 err = 0;
678 goto retry;
679 }
680
0f18b462 681 if (err)
4d57b86d 682 f2fs_update_inode_page(inode);
0abd675e 683 dquot_free_inode(inode);
d6212a5f 684 sb_end_intwrite(inode->i_sb);
19f99cee 685no_delete:
0abd675e
CY		 686 dquot_drop(inode);
687
d5e8f6c9 688 stat_dec_inline_xattr(inode);
3289c061 689 stat_dec_inline_dir(inode);
e7a2bf22 690 stat_dec_inline_inode(inode);
0bdee482 691
943973cd 692 if (likely(!is_set_ckpt_flags(sbi, CP_ERROR_FLAG)))
ca7d802a 693 f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE));
943973cd
JK		 694 else
695 f2fs_inode_synced(inode);
ca7d802a 696
4f295443
JK		 697 /* ino == 0, if f2fs_new_inode() was failed t*/
698 if (inode->i_ino)
699 invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino,
700 inode->i_ino);
002a41ca
CY		 701 if (xnid)
702 invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
60dcedc9
CY		 703 if (inode->i_nlink) {
704 if (is_inode_flag_set(inode, FI_APPEND_WRITE))
4d57b86d 705 f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO);
60dcedc9 706 if (is_inode_flag_set(inode, FI_UPDATE_WRITE))
4d57b86d 707 f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO);
60dcedc9 708 }
91942321 709 if (is_inode_flag_set(inode, FI_FREE_NID)) {
4d57b86d 710 f2fs_alloc_nid_failed(sbi, inode->i_ino);
91942321 711 clear_inode_flag(inode, FI_FREE_NID);
d8c4256c 712 } else {
a4f843bd
JK		 713 /*
714 * If xattr nid is corrupted, we can reach out error condition,
4d57b86d
CY		 715 * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)).
716 * In that case, f2fs_check_nid_range() is enough to give a clue.
a4f843bd 717 */
c9b63bd0 718 }
dbf20cb2 719out_clear:
3d204e24 720 fscrypt_put_encryption_info(inode);
dbf20cb2 721 clear_inode(inode);
19f99cee 722}
44c16156
JK		 723
724/* caller should call f2fs_lock_op() */
4d57b86d 725void f2fs_handle_failed_inode(struct inode *inode)
44c16156
JK		 726{
727 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
221149c0 728 struct node_info ni;
7735730d 729 int err;
44c16156 730
a11b9f65
CY		 731 /*
732 * clear nlink of inode in order to release resource of inode
733 * immediately.
734 */
735 clear_nlink(inode);
736
737 /*
738 * we must call this to avoid inode being remained as dirty, resulting
739 * in a panic when flushing dirty inodes in gdirty_list.
740 */
4d57b86d 741 f2fs_update_inode_page(inode);
9bb02c36 742 f2fs_inode_synced(inode);
a11b9f65 743
221149c0 744 /* don't make bad inode, since it becomes a regular file. */
44c16156
JK		 745 unlock_new_inode(inode);
746
13ec7297 747 /*
13ec7297
CY		 748 * Note: we should add inode to orphan list before f2fs_unlock_op()
749 * so we can prevent losing this orphan when encoutering checkpoint
750 * and following suddenly power-off.
751 */
7735730d
CY		 752 err = f2fs_get_node_info(sbi, inode->i_ino, &ni);
753 if (err) {
754 set_sbi_flag(sbi, SBI_NEED_FSCK);
755 f2fs_msg(sbi->sb, KERN_WARNING,
756 "May loss orphan inode, run fsck to fix.");
757 goto out;
758 }
221149c0
JK		 759
760 if (ni.blk_addr != NULL_ADDR) {
7735730d 761 err = f2fs_acquire_orphan_inode(sbi);
221149c0
JK		 762 if (err) {
763 set_sbi_flag(sbi, SBI_NEED_FSCK);
764 f2fs_msg(sbi->sb, KERN_WARNING,
765 "Too many orphan inodes, run fsck to fix.");
766 } else {
4d57b86d 767 f2fs_add_orphan_inode(inode);
221149c0 768 }
4d57b86d 769 f2fs_alloc_nid_done(sbi, inode->i_ino);
221149c0 770 } else {
91942321 771 set_inode_flag(inode, FI_FREE_NID);
13ec7297 772 }
44c16156 773
7735730d 774out:
44c16156
JK		 775 f2fs_unlock_op(sbi);
776
777 /* iput will drop the inode object */
778 iput(inode);
779}
Linux 6.x block layer and io_uring tree(s)