[lvm-devel] [PATCH 8 of 10] LVM: add logic to allow mirrored log
Jonathan Brassow
jbrassow at redhat.com
Wed Jan 20 02:22:37 UTC 2010
Patch name: lvm-add-logic-to-allow-mirrored-log.patch
Insert the couple of lines that adds the logic necessary to
create the mirrored/redundant log.
RFC: Jonathan Brassow <jbrassow at redhat.com>
Index: LVM2/lib/metadata/mirror.c
===================================================================
--- LVM2.orig/lib/metadata/mirror.c
+++ LVM2/lib/metadata/mirror.c
@@ -1592,7 +1592,7 @@ static struct logical_volume *_set_up_mi
struct alloc_handle *ah,
struct logical_volume *lv,
uint32_t log_count,
- uint32_t region_size __attribute((unused)),
+ uint32_t region_size,
alloc_policy_t alloc,
int in_sync)
{
@@ -1636,6 +1636,12 @@ static struct logical_volume *_set_up_mi
return NULL;
}
+ if ((log_count > 1) &&
+ !_form_mirror(cmd, ah, log_lv, log_count-1, region_size, 1)) {
+ log_error("Failed to form mirrored log.");
+ return NULL;
+ }
+
if (!_init_mirror_log(cmd, log_lv, in_sync, &lv->tags, 1)) {
log_error("Failed to initialise mirror log.");
return NULL;
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