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pools: move removal of _pmspare

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Since _pmspare is internal volume move it to
lv_remove_single -  so it's automatically removed with
last remove thin-pool.

lv_remove_with_dependencies() is not always used for pool removal.
This commit is contained in:
Zdenek Kabelac 2014-10-03 23:34:16 +02:00
parent 20803f2275
commit cb273fe164
2 changed files with 24 additions and 20 deletions
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1
WHATS_NEW
View File

@ -1,5 +1,6 @@
Version 2.02.112 -
=====================================
Always remove spare LV with last removed pool volume.
Support lvconvert --splitcache and --uncache of cached LV.
Option --cache has also shortcut -H (i.e. lvcreate -H).
Refactor lvcreate code and better preserve --type argument.

43
lib/metadata/lv_manip.c
View File

@ -5369,6 +5369,8 @@ int lv_remove_single(struct cmd_context *cmd, struct logical_volume *lv,
struct logical_volume *pool_lv = NULL;
struct lv_segment *cache_seg = NULL;
int ask_discard;
struct lv_list *lvl;
int is_last_pool;
vg = lv->vg;
@ -5463,6 +5465,27 @@ int lv_remove_single(struct cmd_context *cmd, struct logical_volume *lv,
return_0;
}
if (lv_is_pool(lv) && lv->vg->pool_metadata_spare_lv) {
/* When removing last pool, also remove the spare */
is_last_pool = 1;
dm_list_iterate_items(lvl, &lv->vg->lvs)
if (lv_is_pool(lvl->lv) &&
lvl->lv != lv) {
is_last_pool = 0;
break;
}
if (is_last_pool) {
/* This is purely internal LV volume, no question */
if (!deactivate_lv(cmd, lv->vg->pool_metadata_spare_lv)) {
log_error("Unable to deactivate logical volume %s",
display_lvname(lv->vg->pool_metadata_spare_lv));
return 0;
}
if (!lv_remove(lv->vg->pool_metadata_spare_lv))
return_0;
}
}
if (lv_is_cache_pool(lv)) {
/* Cache pool removal drops cache layer
* If the cache pool is not linked, we can simply remove it. */
@ -5580,10 +5603,8 @@ int lv_remove_with_dependencies(struct cmd_context *cmd, struct logical_volume *
{
dm_percent_t snap_percent;
struct dm_list *snh, *snht;
struct lv_list *lvl;
struct lvinfo info;
struct logical_volume *origin;
int is_last_pool;
if (lv_is_cow(lv)) {
/*
@ -5661,24 +5682,6 @@ int lv_remove_with_dependencies(struct cmd_context *cmd, struct logical_volume *
!_lv_remove_segs_using_this_lv(cmd, lv, force, level, "pool"))
return_0;
if ((lv_is_thin_pool(lv) || lv_is_cache_pool(lv)) &&
lv->vg->pool_metadata_spare_lv) {
/* When removing last pool, also remove the spare */
is_last_pool = 1;
dm_list_iterate_items(lvl, &lv->vg->lvs)
if ((lv_is_thin_pool(lvl->lv) ||
lv_is_cache_pool(lvl->lv)) &&
lvl->lv != lv) {
is_last_pool = 0;
break;
}
if (is_last_pool &&
!lv_remove_with_dependencies(cmd, lv->vg->pool_metadata_spare_lv,
DONT_PROMPT, level + 1))
return_0;
}
if (lv_is_pool_metadata_spare(lv) &&
(force == PROMPT) &&
(yes_no_prompt("Removal of pool metadata spare logical volume"