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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-01-28 04:59:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-06 14:42:52 +0300 |
| commit | c9c4c606965387206a3993d7cc556aa66d53c647 (patch) | |
| tree | cbb20fd27bb2bd5622506e53585a38351e75be38 /fs/f2fs | |
| parent | 1de0fd828661a068a574381c5bcd3b0a19f522c5 (diff) | |
| download | linux-c9c4c606965387206a3993d7cc556aa66d53c647.tar.xz | |
f2fs: flush quota blocks after turnning it off
[ Upstream commit 0e0667b625cf64243df83171bff61f9d350b9ca5 ]
After quota_off, we'll get some dirty blocks. If put_super don't have a chance
to flush them by checkpoint, it causes NULL pointer exception in end_io after
iput(node_inode). (e.g., by checkpoint=disable)
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/super.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index e70975ca723b..0f3209b23c94 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1523,6 +1523,12 @@ void f2fs_quota_off_umount(struct super_block *sb) set_sbi_flag(F2FS_SB(sb), SBI_NEED_FSCK); } } + /* + * In case of checkpoint=disable, we must flush quota blocks. + * This can cause NULL exception for node_inode in end_io, since + * put_super already dropped it. + */ + sync_filesystem(sb); } int f2fs_get_projid(struct inode *inode, kprojid_t *projid) |