[GFS2] Revert remounting w/o acl option leaves acls enabled

This reverts commit 569a7b6c. The
code was correct originally. The default setting for ACLs after a
remount should be to be the same as before the remount.
Signed-off-by: NAbhijith Das <adas@redhat.com>
Signed-off-by: NSteven Whitehouse <swhiteho@redhat.com>

fs/gfs2/mount.c

@@ -82,19 +82,20 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount)
 	char *options, *o, *v;
 	int error = 0;
 
-	/*  If someone preloaded options, use those instead  */
-	spin_lock(&gfs2_sys_margs_lock);
-	if (!remount && gfs2_sys_margs) {
-		data = gfs2_sys_margs;
-		gfs2_sys_margs = NULL;
-	}
-	spin_unlock(&gfs2_sys_margs_lock);
+	if (!remount) {
+		/*  If someone preloaded options, use those instead  */
+		spin_lock(&gfs2_sys_margs_lock);
+		if (gfs2_sys_margs) {
+			data = gfs2_sys_margs;
+			gfs2_sys_margs = NULL;
+		}
+		spin_unlock(&gfs2_sys_margs_lock);
 
-	/*  Set some defaults  */
-	memset(args, 0, sizeof(struct gfs2_args));
-	args->ar_num_glockd = GFS2_GLOCKD_DEFAULT;
-	args->ar_quota = GFS2_QUOTA_DEFAULT;
-	args->ar_data = GFS2_DATA_DEFAULT;
+		/*  Set some defaults  */
+		args->ar_num_glockd = GFS2_GLOCKD_DEFAULT;
+		args->ar_quota = GFS2_QUOTA_DEFAULT;
+		args->ar_data = GFS2_DATA_DEFAULT;
+	}
 
 	/* Split the options into tokens with the "," character and
 	   process them */