[lvm-devel] [PATCH 1 of 10] LVM: mirrored log remove prevention checks

[Jonathan Brassow]

Patch name: lvm-mirrored-log-remove-prevention-checks.patch

In preparation for redundant (mirrored) mirror logs, remove the
checks that prevent this sort of processing.

RFC: Jonathan Brassow <jbrassow at redhat.com>

Index: LVM2/lib/metadata/mirror.c
===================================================================
--- LVM2.orig/lib/metadata/mirror.c
+++ LVM2/lib/metadata/mirror.c
@@ -1301,11 +1301,6 @@ static struct logical_volume *_set_up_mi
 
 	init_mirror_in_sync(in_sync);
 
-	if (log_count != 1) {
-		log_error("log_count != 1 is not supported.");
-		return NULL;
-	}
-
 	/* Mirror log name is lv_name + suffix, determined as the following:
 	 *   1. suffix is:
 	 *        o "_mlog" for the original mirror LV.
@@ -1368,12 +1363,6 @@ int add_mirror_log(struct cmd_context *c
 	struct lvinfo info;
 	int r = 0;
 
-	/* Unimplemented features */
-	if (log_count > 1) {
-		log_error("log_count > 1 is not supported");
-		return 0;
-	}
-
 	if (dm_list_size(&lv->segments) != 1) {
 		log_error("Multiple-segment mirror is not supported");
 		return 0;