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f2fs: hanlde error case in f2fs_ioc_shutdown

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This patch makes f2fs_ioc_shutdown handling error case correctly.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2018-01-17 22:28:52 +08:00 committed by Jaegeuk Kim
parent bb9e3bb8db
commit d027c48447
1 changed files with 8 additions and 2 deletions
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10
fs/f2fs/file.c
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@ -1839,14 +1839,20 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
switch (in) {
case F2FS_GOING_DOWN_FULLSYNC:
sb = freeze_bdev(sb->s_bdev);
if (sb && !IS_ERR(sb)) {
if (IS_ERR(sb)) {
ret = PTR_ERR(sb);
goto out;
}
if (sb) {
f2fs_stop_checkpoint(sbi, false);
thaw_bdev(sb->s_bdev, sb);
}
break;
case F2FS_GOING_DOWN_METASYNC:
/* do checkpoint only */
f2fs_sync_fs(sb, 1);
ret = f2fs_sync_fs(sb, 1);
if (ret)
goto out;
f2fs_stop_checkpoint(sbi, false);
break;
case F2FS_GOING_DOWN_NOSYNC: