[PATCH 1/3] f2fs: check return value of write_checkpoint during fstrim

Chao Yu
2016-08-21T15:23:40Z

From: Chao Yu <yuchao0@huawei.com>

During fstrim, if one of multiple write_checkpoint failed, break off and
return error number to caller.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
fs/f2fs/segment.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a394012..020767c 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1303,6 +1303,8 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
mutex_lock(&sbi->gc_mutex);
err = write_checkpoint(sbi, &cpc);
mutex_unlock(&sbi->gc_mutex);
+ if (err)
+ break;
}
out:
range->len = F2FS_BLK_TO_BYTES(cpc.trimmed);
--
2.7.2