cifs: add deprecation warning to sockopt=TCP_NODELAY option

Now that we're using TCP_CORK on the socket, there's no value in
continuting to support this option. Schedule it for removal in 3.9.
Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Jeff Layton <jlayton@redhat.com>

fs/cifs/connect.c

@@ -1680,12 +1680,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
 			if (string == NULL)
 				goto out_nomem;
 
-			/*
-			 * FIXME: since we now cork/uncork the socket while
-			 * 	  sending, should we deprecate this option?
-			 */
-			if (strnicmp(string, "TCP_NODELAY", 11) == 0)
+			if (strnicmp(string, "TCP_NODELAY", 11) == 0) {
+				printk(KERN_WARNING "CIFS: the "
+					"sockopt=TCP_NODELAY option has been "
+					"deprecated and will be removed "
+					"in 3.9\n");
 				vol->sockopt_tcp_nodelay = 1;
+			}
 			break;
 		case Opt_netbiosname:
 			string = match_strdup(args);