diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index e1c2aa46cb0c9e..3cfbccacef7fd0 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2137,6 +2137,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 	 */
 	ret = start_ordered_ops(inode, start, end);
 	if (ret) {
+		up_write(&BTRFS_I(inode)->dio_sem);
 		inode_unlock(inode);
 		goto out;
 	}