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f2fs: remove false alarm on iget failure during GC

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This patch removes setting SBI_NEED_FSCK when GC gets an error on f2fs_iget,
since f2fs_iget can give ENOMEM and others by race condition.
If we set this critical fsck flag, we'll get EIO during fsync via the below
code path.

In f2fs_inplace_write_data(),

	if (is_sbi_flag_set(sbi, SBI_NEED_FSCK) || f2fs_cp_error(sbi)) {
		err = -EIO;
		goto drop_bio;
	}

Fixes: 9557727876 ("f2fs: drop inplace IO if fs status is abnormal")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2021-06-22 12:56:44 -07:00
parent 4215d054ae
commit 132e320978
1 changed files with 1 additions and 3 deletions
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4
fs/f2fs/gc.c
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@ -1451,10 +1451,8 @@ next_step:
if (phase == 3) {
inode = f2fs_iget(sb, dni.ino);
if (IS_ERR(inode) || is_bad_inode(inode)) {
set_sbi_flag(sbi, SBI_NEED_FSCK);
if (IS_ERR(inode) || is_bad_inode(inode))
continue;
}
if (!down_write_trylock(
&F2FS_I(inode)->i_gc_rwsem[WRITE])) {