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FROMGIT: f2fs: retry to update the inode page given data corruption

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If the storage gives a corrupted node block due to short power failure and
reset, f2fs stops the entire operations by setting the checkpoint failure flag.

Let's give more chances to live by re-issuing IOs for a while in such critical
path.

Bug: 263464787
Bug: 261682528
Cc: stable@vger.kernel.org
Suggested-by: Randall Huang <huangrandall@google.com>
Suggested-by: Chao Yu <chao@kernel.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit 0d94ab0aa9d2fbb68d2fe8d116e70293d2884fe1
 https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev)
Change-Id: I2e05a56fd3488085ddc34a8e01e6351c7a30c7e9
This commit is contained in:
Jaegeuk Kim
2023-01-30 15:20:09 -08:00
committed by Jaegeuk Kim
parent 8d18f87e97
commit 72aad41809
1 changed files with 7 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
fs/f2fs/inode.c
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@@ -690,18 +690,19 @@ void f2fs_update_inode_page(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct page *node_page;
int count = 0;
retry:
node_page = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(node_page)) {
int err = PTR_ERR(node_page);
if (err == -ENOMEM) {
cond_resched();
/* The node block was truncated. */
if (err == -ENOENT)
return;
if (err == -ENOMEM || ++count <= DEFAULT_RETRY_IO_COUNT)
goto retry;
} else if (err != -ENOENT) {
f2fs_stop_checkpoint(sbi, false,
STOP_CP_REASON_UPDATE_INODE);
}
f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_UPDATE_INODE);
return;
}
f2fs_update_inode(inode, node_page);