[lvm-devel] [PATCH] Hide merging snapshots from "lvs" command.

[Mike Snitzer]

Hide merging snapshots from "lvs" command. The prefix "snapshot" is reserved
and names with this prefix cannot be created by the user, so this change is
safe.

Signed-off-by: Mikulas Patocka <mpatocka at redhat.com>
Reviewed-by: Mike Snitzer <snitzer at redhat.com>

---
 tools/toollib.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: lvm2/tools/toollib.c
===================================================================
--- lvm2.orig/tools/toollib.c
+++ lvm2/tools/toollib.c
@@ -119,7 +119,8 @@ int process_each_lv_in_vg(struct cmd_con
 	}
 
 	dm_list_iterate_items(lvl, &vg->lvs) {
-		if (lvl->lv->status & SNAPSHOT)
+		/* Names starting with "snapshot" are reserved */
+		if (!strncmp(lvl->lv->name, "snapshot", strlen("snapshot")))
 			continue;
 
 		if (lv_is_virtual_origin(lvl->lv) && !arg_count(cmd, all_ARG))