---
 configure.in                  |   20 ++++++++++++++++++++
 lib/Makefile.in               |    8 ++++++++
 lib/multisnapshot/Makefile.in |   31 -------------------------------
 libdm/libdm-deptree.c         |    2 ++
 tools/args.h                  |    1 +
 tools/commands.h              |    2 +-
 tools/lvcreate.c              |   12 ++++++++++--
 7 files changed, 42 insertions(+), 34 deletions(-)

Index: LVM2.2.02.45/tools/args.h
===================================================================
--- LVM2.2.02.45.orig/tools/args.h	2009-05-11 14:31:19.000000000 +0200
+++ LVM2.2.02.45/tools/args.h	2009-05-11 14:44:04.000000000 +0200
@@ -101,6 +101,7 @@ arg(merge_ARG, 'M', "merge", NULL, 0)
 arg(merge_origin_ARG, '\0', "nameorigin", NULL, 0)
 arg(merge_snapshot_ARG, '\0', "namesnapshot", NULL, 0)
 arg(merge_on_activate_ARG, '\0', "onactivate", NULL, 0)
+arg(shared_store_ARG, 'S', "sharedstore", string_arg, 0)
 arg(major_ARG, 'j', "major", major_arg, 0)
 arg(mirrors_ARG, 'm', "mirrors", int_arg_with_sign, 0)
 arg(metadatatype_ARG, 'M', "metadatatype", metadatatype_arg, 0)
Index: LVM2.2.02.45/tools/commands.h
===================================================================
--- LVM2.2.02.45.orig/tools/commands.h	2009-05-11 14:34:31.000000000 +0200
+++ LVM2.2.02.45/tools/commands.h	2009-05-11 14:38:42.000000000 +0200
@@ -175,7 +175,7 @@ xx(lvcreate,
    corelog_ARG, extents_ARG, major_ARG, minor_ARG, mirrorlog_ARG, mirrors_ARG,
    name_ARG, nosync_ARG, permission_ARG, persistent_ARG, readahead_ARG,
    regionsize_ARG, size_ARG, snapshot_ARG, stripes_ARG, stripesize_ARG,
-   test_ARG, type_ARG, zero_ARG)
+   test_ARG, type_ARG, zero_ARG, shared_store_ARG)
 
 xx(lvdisplay,
    "Display information about a logical volume",
Index: LVM2.2.02.45/tools/lvcreate.c
===================================================================
--- LVM2.2.02.45.orig/tools/lvcreate.c	2009-05-11 14:36:18.000000000 +0200
+++ LVM2.2.02.45/tools/lvcreate.c	2009-05-11 15:13:26.000000000 +0200
@@ -31,6 +31,8 @@ struct lvcreate_params {
 	const char *vg_name;
 	const char *lv_name;
 
+	const char *shared_store;	/* type of shared exception store */
+
 	uint32_t stripes;
 	uint32_t stripe_size;
 	uint32_t chunk_size;
@@ -346,8 +348,14 @@ static int _lvcreate_params(struct lvcre
 	if (arg_count(cmd, stripes_ARG) && lp->stripes == 1)
 		log_print("Redundant stripes argument: default is 1");
 
-	if (arg_count(cmd, snapshot_ARG) || seg_is_snapshot(lp))
+	if (arg_count(cmd, snapshot_ARG) || seg_is_snapshot(lp)) {
 		lp->snapshot = 1;
+		if (arg_count(cmd, shared_store_ARG))
+			lp->shared_store = arg_value(cmd, shared_store_ARG);
+	} else if (arg_count(cmd, shared_store_ARG)) {
+		log_error("Exception store supported only for snapshots");
+		return 0;
+	}
 
 	lp->mirrors = 1;