ext3: Check return value of blkdev_issue_flush()
blkdev_issue_flush() can fail. Make sure the error gets properly propagated.
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index d4dff27..b31dbd4 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -92,8 +92,13 @@
* disk caches manually so that data really is on persistent
* storage
*/
- if (needs_barrier)
- blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ if (needs_barrier) {
+ int err;
+
+ err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ if (!ret)
+ ret = err;
+ }
out:
trace_ext3_sync_file_exit(inode, ret);
return ret;