f2fs: check return value of write_checkpoint during fstrim

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>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a3940129e3b2..020767c67935 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);