When creating a shared store, always use previx "-shared".

If the user specifies a name on a command line, it will be used to create
a snapshot in this shared store.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

---
 lib/metadata/lv_manip.c |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

Index: LVM2.2.02.54/lib/metadata/lv_manip.c
===================================================================
--- LVM2.2.02.54.orig/lib/metadata/lv_manip.c	2009-10-29 17:38:51.000000000 +0100
+++ LVM2.2.02.54/lib/metadata/lv_manip.c	2009-10-29 17:44:39.000000000 +0100
@@ -27,6 +27,8 @@
 #include "activate.h"
 #include "str_list.h"
 
+#define SHARED_SUFFIX	"-shared"
+
 struct lv_names {
 	const char *old;
 	const char *new;
@@ -2987,7 +2989,13 @@ int lv_create_single(struct volume_group
 	if (!archive(vg))
 		return 0;
 
-	if (lp->lv_name)
+	if (lp->shared_store) {
+		char *name = dm_pool_alloc(cmd->mem,
+			strlen(lp->origin) + strlen(SHARED_SUFFIX) + 1);
+		strcpy(name, lp->origin);
+		strcat(name, SHARED_SUFFIX);
+		lv_name = name;
+	} else if (lp->lv_name)
 		lv_name = lp->lv_name;
 	else {
 		if (!generate_lv_name(vg, "lvol%d", lv_name_buf, sizeof(lv_name_buf))) {