diff --git a/lvm2-2_02_48-cluster-cpg-new-api.patch b/lvm2-2_02_48-cluster-cpg-new-api.patch
new file mode 100644
index 0000000..92f311c
--- /dev/null
+++ b/lvm2-2_02_48-cluster-cpg-new-api.patch
@@ -0,0 +1,82 @@
+Index: daemons/clvmd/clvmd-corosync.c
+===================================================================
+RCS file: /cvs/lvm2/LVM2/daemons/clvmd/clvmd-corosync.c,v
+retrieving revision 1.9
+retrieving revision 1.10
+diff -u -r1.9 -r1.10
+--- a/daemons/clvmd/clvmd-corosync.c	21 Apr 2009 13:11:28 -0000	1.9
++++ b/daemons/clvmd/clvmd-corosync.c	3 Jun 2009 13:42:02 -0000	1.10
+@@ -56,16 +56,16 @@
+ #define LOCKSPACE_NAME "clvmd"
+ 
+ static void cpg_deliver_callback (cpg_handle_t handle,
+-				  struct cpg_name *groupName,
++				  const struct cpg_name *groupName,
+ 				  uint32_t nodeid,
+ 				  uint32_t pid,
+ 				  void *msg,
+-				  int msg_len);
++				  size_t msg_len);
+ static void cpg_confchg_callback(cpg_handle_t handle,
+-				 struct cpg_name *groupName,
+-				 struct cpg_address *member_list, int member_list_entries,
+-				 struct cpg_address *left_list, int left_list_entries,
+-				 struct cpg_address *joined_list, int joined_list_entries);
++				 const struct cpg_name *groupName,
++				 const struct cpg_address *member_list, size_t member_list_entries,
++				 const struct cpg_address *left_list, size_t left_list_entries,
++				 const struct cpg_address *joined_list, size_t joined_list_entries);
+ static void _cluster_closedown(void);
+ 
+ /* Hash list of nodes in the cluster */
+@@ -206,17 +206,17 @@
+ }
+ 
+ static void cpg_deliver_callback (cpg_handle_t handle,
+-				  struct cpg_name *groupName,
++				  const struct cpg_name *groupName,
+ 				  uint32_t nodeid,
+ 				  uint32_t pid,
+ 				  void *msg,
+-				  int msg_len)
++				  size_t msg_len)
+ {
+ 	int target_nodeid;
+ 
+ 	memcpy(&target_nodeid, msg, COROSYNC_CSID_LEN);
+ 
+-	DEBUGLOG("%u got message from nodeid %d for %d. len %d\n",
++	DEBUGLOG("%u got message from nodeid %d for %d. len %zd\n",
+ 		 our_nodeid, nodeid, target_nodeid, msg_len-4);
+ 
+ 	if (nodeid != our_nodeid)
+@@ -226,15 +226,15 @@
+ }
+ 
+ static void cpg_confchg_callback(cpg_handle_t handle,
+-				 struct cpg_name *groupName,
+-				 struct cpg_address *member_list, int member_list_entries,
+-				 struct cpg_address *left_list, int left_list_entries,
+-				 struct cpg_address *joined_list, int joined_list_entries)
++				 const struct cpg_name *groupName,
++				 const struct cpg_address *member_list, size_t member_list_entries,
++				 const struct cpg_address *left_list, size_t left_list_entries,
++				 const struct cpg_address *joined_list, size_t joined_list_entries)
+ {
+ 	int i;
+ 	struct node_info *ninfo;
+ 
+-	DEBUGLOG("confchg callback. %d joined, %d left, %d members\n",
++	DEBUGLOG("confchg callback. %zd joined, %zd left, %zd members\n",
+ 		 joined_list_entries, left_list_entries, member_list_entries);
+ 
+ 	for (i=0; i<joined_list_entries; i++) {
+@@ -580,7 +580,7 @@
+ {
+ 	confdb_handle_t handle;
+ 	int result;
+-	int namelen = buflen;
++	size_t namelen = buflen;
+ 	hdb_handle_t cluster_handle;
+ 	confdb_callbacks_t callbacks = {
+ 		.confdb_key_change_notify_fn = NULL,
diff --git a/lvm2.spec b/lvm2.spec
index c3b4e19..eacecb4 100644
--- a/lvm2.spec
+++ b/lvm2.spec
@@ -1,5 +1,5 @@
 %define device_mapper_version 1.02.32
-%define corosync_version 0.95-2
+%define corosync_version 0.97-1
 %define clusterlib_version 3.0.0-12.alpha6
 
 # Do not reset Release to 1 unless both lvm2 and device-mapper 
@@ -8,7 +8,7 @@
 Summary: Userland logical volume management tools 
 Name: lvm2
 Version: 2.02.47
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPLv2
 Group: System Environment/Base
 URL: http://sources.redhat.com/lvm2
@@ -16,6 +16,7 @@ Source0: ftp://sources.redhat.com/pub/lvm2/LVM2.%{version}.tgz
 
 # Customise lvmconf.sh for built-in clustered locking in Fedora
 Patch0: cluster-locking-built-in.patch
+Patch1: lvm2-2_02_48-cluster-cpg-new-api.patch
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: libselinux-devel >= 1.30.19-4, libsepol-devel
@@ -41,6 +42,7 @@ or more physical volumes and creating one or more logical volumes
 %prep
 %setup -q -n LVM2.%{version}
 %patch0 -p1 -b .locking
+%patch1 -p1 -b .cpg
 
 %build
 %define _exec_prefix /
@@ -266,6 +268,12 @@ This package contains the device-mapper shared library, libdevmapper.
 
 
 %changelog
+* Wed Jun 10 2009 Fabio M. Di Nitto <fdinitto@redhat.com> - 2.02.47-2
+- BuildRequire newer version of corosynclib (0.97-1) to link against
+  latest libraries version (soname 4.0.0).
+- Add lvm2-2_02_48-cluster-cpg-new-api.patch to port clvmd-corosync
+  to new corosync cpg API.
+
 * Fri May 22 2009 Alasdair Kergon <agk@redhat.com> - 2.02.47-1
 - Inherit readahead setting from underlying devices during activation.
 - Detect LVs active on remote nodes by querying locks if supported.