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

[Chao Yu]

From: Chao Yu <yuch...@huawei.com>

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

Signed-off-by: Chao Yu <yuch...@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