f2fs: report error of do_checkpoint
do_checkpoint and write_checkpoint can fail due to reasons like triggering
in a readonly fs or encountering IO error of storage device.
So it's better to report such error info to user, let user be aware of
failure of doing checkpoint.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 888ce47..780db8b 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1618,6 +1618,7 @@
struct inode *inode = file_inode(filp);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct cp_control cpc;
+ int err;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -1628,10 +1629,10 @@
cpc.reason = __get_cp_reason(sbi);
mutex_lock(&sbi->gc_mutex);
- write_checkpoint(sbi, &cpc);
+ err = write_checkpoint(sbi, &cpc);
mutex_unlock(&sbi->gc_mutex);
- return 0;
+ return err;
}
static int f2fs_defragment_range(struct f2fs_sb_info *sbi,