提交 44f4f729 编写于 作者: J Jan Kara

ext3: Check return value of blkdev_issue_flush()

blkdev_issue_flush() can fail. Make sure the error gets properly propagated.
Signed-off-by: NJan Kara <jack@suse.cz>
上级 349ecd6a
......@@ -92,8 +92,13 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
* 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;
......
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