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Add code to activate thin target

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Code to zero pool metadata lv when pool is created.
Add code to create thin target via message sending.

(Revert is missing)
This commit is contained in:
Zdenek Kabelac 2011-10-03 18:43:39 +00:00
parent 4121fbb8a4
commit b12ec9b372
1 changed files with 26 additions and 0 deletions
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26
lib/metadata/lv_manip.c
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@ -3889,6 +3889,7 @@ static struct logical_volume *_lv_create_an_lv(struct volume_group *vg, struct l
uint32_t size_rest;
uint64_t status = UINT64_C(0);
struct logical_volume *lv, *org = NULL;
struct logical_volume *pool_lv;
int origin_active = 0;
struct lvinfo info;
@ -4113,6 +4114,27 @@ static struct logical_volume *_lv_create_an_lv(struct volume_group *vg, struct l
if (seg_is_thin_pool(lp) && lp->zero)
first_seg(lv)->zero_new_blocks = 1;
else if (seg_is_thin_volume(lp)) {
pool_lv = first_seg(lv)->pool_lv;
if (!(first_seg(lv)->device_id =
get_free_pool_device_id(first_seg(pool_lv))))
return_NULL;
if (!activate_lv(pool_lv->vg->cmd, pool_lv)) {
log_error("Failed to activate %s/%s to send message.",
pool_lv->vg->name, pool_lv->name);
return NULL;
}
if (!lv_send_message(pool_lv, "create_thin %u", first_seg(lv)->device_id))
return_NULL;
/*
* FIXME: Skipping deactivate_lv(pool_lv) as it is going to be needed anyway
* but revert_new_lv should revert to deactivated state.
*/
}
if (seg_is_thin_pool(lp)) {
/* FIXME: add lvcreate params - maybe -c/--chunksize?,
@ -4166,6 +4188,10 @@ static struct logical_volume *_lv_create_an_lv(struct volume_group *vg, struct l
lp->snapshot ? "snapshot exception store" :
"start of new LV");
goto deactivate_and_revert_new_lv;
} else if (seg_is_thin_pool(lp)) {
if (!set_lv(cmd, first_seg(lv)->pool_metadata_lv, UINT64_C(0), 0))
log_error("Aborting. Failed to wipe pool metadata %s.",
lv->name);
}
if (lp->snapshot) {