4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
12 #include <linux/f2fs_fs.h>
13 #include <linux/buffer_head.h>
14 #include <linux/backing-dev.h>
15 #include <linux/writeback.h>
21 #include <trace/events/f2fs.h>
23 void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync)
25 if (is_inode_flag_set(inode, FI_NEW_INODE))
28 if (f2fs_inode_dirtied(inode, sync))
31 mark_inode_dirty_sync(inode);
34 void f2fs_set_inode_flags(struct inode *inode)
36 unsigned int flags = F2FS_I(inode)->i_flags;
37 unsigned int new_fl = 0;
39 if (flags & F2FS_SYNC_FL)
41 if (flags & F2FS_APPEND_FL)
43 if (flags & F2FS_IMMUTABLE_FL)
44 new_fl |= S_IMMUTABLE;
45 if (flags & F2FS_NOATIME_FL)
47 if (flags & F2FS_DIRSYNC_FL)
49 if (f2fs_encrypted_inode(inode))
50 new_fl |= S_ENCRYPTED;
51 inode_set_flags(inode, new_fl,
52 S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|
56 static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri)
58 int extra_size = get_extra_isize(inode);
60 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
61 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
62 if (ri->i_addr[extra_size])
63 inode->i_rdev = old_decode_dev(
64 le32_to_cpu(ri->i_addr[extra_size]));
66 inode->i_rdev = new_decode_dev(
67 le32_to_cpu(ri->i_addr[extra_size + 1]));
71 static bool __written_first_block(struct f2fs_sb_info *sbi,
72 struct f2fs_inode *ri)
74 block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]);
76 if (is_valid_data_blkaddr(sbi, addr))
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);
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->sb))
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->sb)
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->sb)) {
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_I(inode)->extent_tree) {
253 struct extent_info *ei = &F2FS_I(inode)->extent_tree->largest;
256 (!f2fs_is_valid_blkaddr(sbi, ei->blk, DATA_GENERIC) ||
257 !f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
259 set_sbi_flag(sbi, SBI_NEED_FSCK);
260 f2fs_msg(sbi->sb, KERN_WARNING,
261 "%s: inode (ino=%lx) extent info [%u, %u, %u] "
262 "is incorrect, run fsck to fix",
263 __func__, inode->i_ino,
264 ei->blk, ei->fofs, ei->len);
271 static int do_read_inode(struct inode *inode)
273 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
274 struct f2fs_inode_info *fi = F2FS_I(inode);
275 struct page *node_page;
276 struct f2fs_inode *ri;
279 /* Check if ino is within scope */
280 if (f2fs_check_nid_range(sbi, inode->i_ino))
283 node_page = f2fs_get_node_page(sbi, inode->i_ino);
284 if (IS_ERR(node_page))
285 return PTR_ERR(node_page);
287 ri = F2FS_INODE(node_page);
289 inode->i_mode = le16_to_cpu(ri->i_mode);
290 i_uid_write(inode, le32_to_cpu(ri->i_uid));
291 i_gid_write(inode, le32_to_cpu(ri->i_gid));
292 set_nlink(inode, le32_to_cpu(ri->i_links));
293 inode->i_size = le64_to_cpu(ri->i_size);
294 inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1);
296 inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime);
297 inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime);
298 inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime);
299 inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec);
300 inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec);
301 inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec);
302 inode->i_generation = le32_to_cpu(ri->i_generation);
303 if (S_ISDIR(inode->i_mode))
304 fi->i_current_depth = le32_to_cpu(ri->i_current_depth);
305 else if (S_ISREG(inode->i_mode))
306 fi->i_gc_failures[GC_FAILURE_PIN] =
307 le16_to_cpu(ri->i_gc_failures);
308 fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid);
309 fi->i_flags = le32_to_cpu(ri->i_flags);
311 fi->i_advise = ri->i_advise;
312 fi->i_pino = le32_to_cpu(ri->i_pino);
313 fi->i_dir_level = ri->i_dir_level;
315 if (f2fs_init_extent_tree(inode, &ri->i_ext))
316 set_page_dirty(node_page);
318 get_inline_info(inode, ri);
320 fi->i_extra_isize = f2fs_has_extra_attr(inode) ?
321 le16_to_cpu(ri->i_extra_isize) : 0;
323 if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)) {
324 fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size);
325 } else if (f2fs_has_inline_xattr(inode) ||
326 f2fs_has_inline_dentry(inode)) {
327 fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
331 * Previous inline data or directory always reserved 200 bytes
332 * in inode layout, even if inline_xattr is disabled. In order
333 * to keep inline_dentry's structure for backward compatibility,
334 * we get the space back only from inline_data.
336 fi->i_inline_xattr_size = 0;
339 if (!sanity_check_inode(inode, node_page)) {
340 f2fs_put_page(node_page, 1);
344 /* check data exist */
345 if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
346 __recover_inline_status(inode, node_page);
348 /* get rdev by using inline_info */
349 __get_inode_rdev(inode, ri);
351 if (__written_first_block(sbi, ri))
352 set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
354 if (!f2fs_need_inode_block_update(sbi, inode->i_ino))
355 fi->last_disk_size = inode->i_size;
357 if (fi->i_flags & F2FS_PROJINHERIT_FL)
358 set_inode_flag(inode, FI_PROJ_INHERIT);
360 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi->sb) &&
361 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid))
362 i_projid = (projid_t)le32_to_cpu(ri->i_projid);
364 i_projid = F2FS_DEF_PROJID;
365 fi->i_projid = make_kprojid(&init_user_ns, i_projid);
367 if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) &&
368 F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
369 fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime);
370 fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec);
373 F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
374 F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
375 F2FS_I(inode)->i_disk_time[2] = inode->i_mtime;
376 F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
377 f2fs_put_page(node_page, 1);
379 stat_inc_inline_xattr(inode);
380 stat_inc_inline_inode(inode);
381 stat_inc_inline_dir(inode);
386 struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
388 struct f2fs_sb_info *sbi = F2FS_SB(sb);
392 inode = iget_locked(sb, ino);
394 return ERR_PTR(-ENOMEM);
396 if (!(inode->i_state & I_NEW)) {
397 trace_f2fs_iget(inode);
400 if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi))
403 ret = do_read_inode(inode);
407 if (ino == F2FS_NODE_INO(sbi)) {
408 inode->i_mapping->a_ops = &f2fs_node_aops;
409 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
410 } else if (ino == F2FS_META_INO(sbi)) {
411 inode->i_mapping->a_ops = &f2fs_meta_aops;
412 mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
413 } else if (S_ISREG(inode->i_mode)) {
414 inode->i_op = &f2fs_file_inode_operations;
415 inode->i_fop = &f2fs_file_operations;
416 inode->i_mapping->a_ops = &f2fs_dblock_aops;
417 } else if (S_ISDIR(inode->i_mode)) {
418 inode->i_op = &f2fs_dir_inode_operations;
419 inode->i_fop = &f2fs_dir_operations;
420 inode->i_mapping->a_ops = &f2fs_dblock_aops;
421 inode_nohighmem(inode);
422 } else if (S_ISLNK(inode->i_mode)) {
423 if (f2fs_encrypted_inode(inode))
424 inode->i_op = &f2fs_encrypted_symlink_inode_operations;
426 inode->i_op = &f2fs_symlink_inode_operations;
427 inode_nohighmem(inode);
428 inode->i_mapping->a_ops = &f2fs_dblock_aops;
429 } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) ||
430 S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
431 inode->i_op = &f2fs_special_inode_operations;
432 init_special_inode(inode, inode->i_mode, inode->i_rdev);
437 f2fs_set_inode_flags(inode);
438 unlock_new_inode(inode);
439 trace_f2fs_iget(inode);
444 trace_f2fs_iget_exit(inode, ret);
448 struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino)
452 inode = f2fs_iget(sb, ino);
454 if (PTR_ERR(inode) == -ENOMEM) {
455 congestion_wait(BLK_RW_ASYNC, HZ/50);
462 void f2fs_update_inode(struct inode *inode, struct page *node_page)
464 struct f2fs_inode *ri;
465 struct extent_tree *et = F2FS_I(inode)->extent_tree;
467 f2fs_wait_on_page_writeback(node_page, NODE, true);
468 set_page_dirty(node_page);
470 f2fs_inode_synced(inode);
472 ri = F2FS_INODE(node_page);
474 ri->i_mode = cpu_to_le16(inode->i_mode);
475 ri->i_advise = F2FS_I(inode)->i_advise;
476 ri->i_uid = cpu_to_le32(i_uid_read(inode));
477 ri->i_gid = cpu_to_le32(i_gid_read(inode));
478 ri->i_links = cpu_to_le32(inode->i_nlink);
479 ri->i_size = cpu_to_le64(i_size_read(inode));
480 ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1);
483 read_lock(&et->lock);
484 set_raw_extent(&et->largest, &ri->i_ext);
485 read_unlock(&et->lock);
487 memset(&ri->i_ext, 0, sizeof(ri->i_ext));
489 set_raw_inline(inode, ri);
491 ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
492 ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);
493 ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec);
494 ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec);
495 ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec);
496 ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
497 if (S_ISDIR(inode->i_mode))
498 ri->i_current_depth =
499 cpu_to_le32(F2FS_I(inode)->i_current_depth);
500 else if (S_ISREG(inode->i_mode))
502 cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]);
503 ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid);
504 ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags);
505 ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino);
506 ri->i_generation = cpu_to_le32(inode->i_generation);
507 ri->i_dir_level = F2FS_I(inode)->i_dir_level;
509 if (f2fs_has_extra_attr(inode)) {
510 ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize);
512 if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)->sb))
513 ri->i_inline_xattr_size =
514 cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size);
516 if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)->sb) &&
517 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
521 i_projid = from_kprojid(&init_user_ns,
522 F2FS_I(inode)->i_projid);
523 ri->i_projid = cpu_to_le32(i_projid);
526 if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) &&
527 F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize,
530 cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec);
532 cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec);
536 __set_inode_rdev(inode, ri);
539 if (inode->i_nlink == 0)
540 clear_inline_node(node_page);
542 F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
543 F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
544 F2FS_I(inode)->i_disk_time[2] = inode->i_mtime;
545 F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime;
547 #ifdef CONFIG_F2FS_CHECK_FS
548 f2fs_inode_chksum_set(F2FS_I_SB(inode), node_page);
552 void f2fs_update_inode_page(struct inode *inode)
554 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
555 struct page *node_page;
557 node_page = f2fs_get_node_page(sbi, inode->i_ino);
558 if (IS_ERR(node_page)) {
559 int err = PTR_ERR(node_page);
560 if (err == -ENOMEM) {
563 } else if (err != -ENOENT) {
564 f2fs_stop_checkpoint(sbi, false);
568 f2fs_update_inode(inode, node_page);
569 f2fs_put_page(node_page, 1);
572 int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
574 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
576 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
577 inode->i_ino == F2FS_META_INO(sbi))
580 if (!is_inode_flag_set(inode, FI_DIRTY_INODE))
584 * We need to balance fs here to prevent from producing dirty node pages
585 * during the urgent cleaning time when runing out of free sections.
587 f2fs_update_inode_page(inode);
588 if (wbc && wbc->nr_to_write)
589 f2fs_balance_fs(sbi, true);
594 * Called at the last iput() if i_nlink is zero
596 void f2fs_evict_inode(struct inode *inode)
598 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
599 nid_t xnid = F2FS_I(inode)->i_xattr_nid;
602 /* some remained atomic pages should discarded */
603 if (f2fs_is_atomic_file(inode))
604 f2fs_drop_inmem_pages(inode);
606 trace_f2fs_evict_inode(inode);
607 truncate_inode_pages_final(&inode->i_data);
609 if (inode->i_ino == F2FS_NODE_INO(sbi) ||
610 inode->i_ino == F2FS_META_INO(sbi))
613 f2fs_bug_on(sbi, get_dirty_pages(inode));
614 f2fs_remove_dirty_inode(inode);
616 f2fs_destroy_extent_tree(inode);
618 if (inode->i_nlink || is_bad_inode(inode))
621 dquot_initialize(inode);
623 f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO);
624 f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO);
625 f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO);
627 sb_start_intwrite(inode->i_sb);
628 set_inode_flag(inode, FI_NO_ALLOC);
629 i_size_write(inode, 0);
631 if (F2FS_HAS_BLOCKS(inode))
632 err = f2fs_truncate(inode);
634 #ifdef CONFIG_F2FS_FAULT_INJECTION
635 if (time_to_inject(sbi, FAULT_EVICT_INODE)) {
636 f2fs_show_injection_info(FAULT_EVICT_INODE);
642 err = f2fs_remove_inode_page(inode);
648 /* give more chances, if ENOMEM case */
649 if (err == -ENOMEM) {
655 f2fs_update_inode_page(inode);
656 dquot_free_inode(inode);
657 sb_end_intwrite(inode->i_sb);
661 stat_dec_inline_xattr(inode);
662 stat_dec_inline_dir(inode);
663 stat_dec_inline_inode(inode);
665 if (likely(!is_set_ckpt_flags(sbi, CP_ERROR_FLAG)))
666 f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE));
668 f2fs_inode_synced(inode);
670 /* ino == 0, if f2fs_new_inode() was failed t*/
672 invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino,
675 invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
676 if (inode->i_nlink) {
677 if (is_inode_flag_set(inode, FI_APPEND_WRITE))
678 f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO);
679 if (is_inode_flag_set(inode, FI_UPDATE_WRITE))
680 f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO);
682 if (is_inode_flag_set(inode, FI_FREE_NID)) {
683 f2fs_alloc_nid_failed(sbi, inode->i_ino);
684 clear_inode_flag(inode, FI_FREE_NID);
687 * If xattr nid is corrupted, we can reach out error condition,
688 * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)).
689 * In that case, f2fs_check_nid_range() is enough to give a clue.
693 fscrypt_put_encryption_info(inode);
697 /* caller should call f2fs_lock_op() */
698 void f2fs_handle_failed_inode(struct inode *inode)
700 struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
705 * clear nlink of inode in order to release resource of inode
711 * we must call this to avoid inode being remained as dirty, resulting
712 * in a panic when flushing dirty inodes in gdirty_list.
714 f2fs_update_inode_page(inode);
715 f2fs_inode_synced(inode);
717 /* don't make bad inode, since it becomes a regular file. */
718 unlock_new_inode(inode);
721 * Note: we should add inode to orphan list before f2fs_unlock_op()
722 * so we can prevent losing this orphan when encoutering checkpoint
723 * and following suddenly power-off.
725 err = f2fs_get_node_info(sbi, inode->i_ino, &ni);
727 set_sbi_flag(sbi, SBI_NEED_FSCK);
728 f2fs_msg(sbi->sb, KERN_WARNING,
729 "May loss orphan inode, run fsck to fix.");
733 if (ni.blk_addr != NULL_ADDR) {
734 err = f2fs_acquire_orphan_inode(sbi);
736 set_sbi_flag(sbi, SBI_NEED_FSCK);
737 f2fs_msg(sbi->sb, KERN_WARNING,
738 "Too many orphan inodes, run fsck to fix.");
740 f2fs_add_orphan_inode(inode);
742 f2fs_alloc_nid_done(sbi, inode->i_ino);
744 set_inode_flag(inode, FI_FREE_NID);
750 /* iput will drop the inode object */