CIFS: Separate protocol specific part from getlk

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index af48a8b..ce27f86 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -60,8 +60,15 @@
 	return rc;
 }
 
+static bool
+cifs_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
+{
+	return ob1->netfid == ob2->netfid;
+}
+
 struct smb_version_operations smb1_operations = {
 	.send_cancel = send_nt_cancel,
+	.compare_fids = cifs_compare_fids,
 };
 
 struct smb_version_values smb1_values = {