diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 02e403a..49eeed2 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -589,7 +589,7 @@
 	struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
 	int rc = 0;
 
-	down_read(&cinode->lock_sem);
+	down_read_nested(&cinode->lock_sem, SINGLE_DEPTH_NESTING);
 	if (cinode->can_cache_brlcks) {
 		/* can cache locks - no need to relock */
 		up_read(&cinode->lock_sem);