diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index c4f0aff86f96..270246943a06 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -464,6 +464,13 @@ retry:
 	error = xfs_trans_commit(tp);
 	if (error)
 		return error;
+
+	/*
+	 * Allocation succeeded but the requested range was not even partially
+	 * satisfied?  Bail out!
+	 */
+	if (nimaps == 0)
+		return -ENOSPC;
 convert:
 	return xfs_reflink_convert_cow_extent(ip, imap, offset_fsb, count_fsb,
 			&dfops);