[lvm-devel] [PATCH] LVM RAID: a couple more fixes
Jonathan Brassow
jbrassow at redhat.com
Sat Aug 13 04:33:42 UTC 2011
On Fri, 2011-08-12 at 12:10 -0500, Jonathan Brassow wrote:
> Patch includes:
> 1) add new function 'raid_remove_top_layer' which will be useful
> to other conversion functions later (also cleans up code)
> 2) Add error messages if raid_[extract|add]_images fails
> 3) DO NOT activate sub_lv's between a suspend/resume
> 4) Add function prototypes to prevent compiler warnings when
> compiling with '--with-raid=shared'
I've checked in all but #3, which I've attached as a smaller patch with
kabi's suggested change. I've tested the suggestion and it works (much
better than the sleep :).
brassow
Index: LVM2/lib/metadata/raid_manip.c
===================================================================
--- LVM2.orig/lib/metadata/raid_manip.c
+++ LVM2/lib/metadata/raid_manip.c
@@ -488,22 +488,9 @@ int lv_raid_change_image_count(struct lo
}
/*
- * Bring extracted LVs into existance, so there are no
- * conflicts for the main RAID device's resume
+ * Resume original LV
+ * This also resumes all other sub-lvs (including the extracted)
*/
- if (!dm_list_empty(&removal_list)) {
- dm_list_iterate_items(lvl, &removal_list) {
- /* If top RAID was EX, use EX */
- if (lv_is_active_exclusive_locally(lv)) {
- if (!activate_lv_excl(lv->vg->cmd, lvl->lv))
- return_0;
- } else {
- if (!activate_lv(lv->vg->cmd, lvl->lv))
- return_0;
- }
- }
- }
-
if (!resume_lv(lv->vg->cmd, lv)) {
log_error("Failed to resume %s/%s after committing changes",
lv->vg->name, lv->name);
@@ -513,6 +500,7 @@ int lv_raid_change_image_count(struct lo
/*
* Eliminate the extracted LVs
*/
+ sync_local_dev_names(lv->vg->cmd);
if (!dm_list_empty(&removal_list)) {
dm_list_iterate_items(lvl, &removal_list) {
if (!deactivate_lv(lv->vg->cmd, lvl->lv))
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