Add 'is_reserved_lvname()' helper function.

Very similar to apply_lvname_restrictions but without the error messages.

WHATS_NEW

@@ -1,5 +1,6 @@
 Version 2.02.34 -
 ===================================
+  Add 'is_reserved_lvname()' helper function.
   Correct command name in lvmdiskscan man page.
   clvmd no longer crashes if it sees nodeids over 50.
   Fix potential deadlock in clvmd thread handling.

tools/toollib.c

@@ -1234,6 +1234,19 @@ int apply_lvname_restrictions(const char *name)
 	return 1;
 }
 
+int is_reserved_lvname(const char *name)
+{
+	int rc, old_suppress;
+
+	old_suppress = log_suppress(2);
+	rc = !apply_lvname_restrictions(name);
+	log_suppress(old_suppress);
+
+	return rc;
+}
+
+
+
 /*
  * Set members of struct vgcreate_params from cmdline.
  * Do preliminary validation with arg_*() interface.

tools/toollib.h

@@ -95,6 +95,7 @@ struct list *create_pv_list(struct dm_pool *mem, struct volume_group *vg, int ar
 struct list *clone_pv_list(struct dm_pool *mem, struct list *pvs);
 
 int apply_lvname_restrictions(const char *name);
+int is_reserved_lvname(const char *name);
 
 int fill_vg_create_params(struct cmd_context *cmd,
 			  char *vg_name, struct vgcreate_params *vp_new,