From: Patrick Caulfield <pcaulfie@redhat.com>
Subject: [RHEL 5.1] dlm: Allow unprivileged users to create the default lockspace  (bz#241902)
Date: Tue, 05 Jun 2007 16:50:09 +0100
Bugzilla: 241902
Message-Id: <46658631.20201@redhat.com>
Changelog: [dlm] Allow unprivileged users to create the default lockspace


This is a quick patch to fix a regression on RHEL4, it's not going to go
upstream because we'll look at a more sophisticated version for the longer term.

Signed-Off-By: Patrick Caulfield <pcaulfie@redhat.com>

Index: linux-rhel51-quilt/fs/dlm/user.c
===================================================================
--- linux-rhel51-quilt.orig/fs/dlm/user.c	2007-06-08 10:21:21.000000000 -0500
+++ linux-rhel51-quilt/fs/dlm/user.c	2007-06-08 10:24:56.000000000 -0500
@@ -24,6 +24,7 @@
 #include "lvb_table.h"
 #include "user.h"
 
+#define DEFAULT_LOCKSPACE "default"
 static const char *name_prefix="dlm";
 static struct miscdevice ctl_device;
 static const struct file_operations device_fops;
@@ -382,7 +383,7 @@
 	struct dlm_ls *ls;
 	int error;
 
-	if (!capable(CAP_SYS_ADMIN))
+	if (!capable(CAP_SYS_ADMIN) && strcmp(params->name, DEFAULT_LOCKSPACE))
 		return -EPERM;
 
 	error = dlm_new_lockspace(params->name, strlen(params->name),