[lvm-devel] LVM2/lib/metadata lv_manip.c
zkabelac at sourceware.org
zkabelac at sourceware.org
Thu Nov 3 14:56:20 UTC 2011
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac at sourceware.org 2011-11-03 14:56:20
Modified files:
lib/metadata : lv_manip.c
Log message:
Thin using update_pool_lv
Replace detach_pool_messages with update_pool_lv.
Move creation code from to 'if' condition into 1.
Ensure creation has finished all previous message operations.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/lv_manip.c.diff?cvsroot=lvm2&r1=1.317&r2=1.318
--- LVM2/lib/metadata/lv_manip.c 2011/11/03 14:36:40 1.317
+++ LVM2/lib/metadata/lv_manip.c 2011/11/03 14:56:20 1.318
@@ -519,8 +519,14 @@
if (seg->pool_metadata_lv && !lv_remove(seg->pool_metadata_lv))
return_0;
- if (seg->pool_lv && !detach_pool_lv(seg))
- return_0;
+ if (seg->pool_lv) {
+ /* For now, clear stacked messages here */
+ if (!update_pool_lv(seg->pool_lv, 1))
+ return_0;
+
+ if (!detach_pool_lv(seg))
+ return_0;
+ }
dm_list_del(&seg->list);
reduction = seg->len;
@@ -3917,6 +3923,7 @@
uint64_t status = UINT64_C(0);
struct logical_volume *lv, *org = NULL;
struct logical_volume *pool_lv;
+ struct lv_list *lvl;
int origin_active = 0;
struct lvinfo info;
@@ -4097,6 +4104,22 @@
}
}
+ if (seg_is_thin_volume(lp) &&
+ ((lp->activate == CHANGE_AY) ||
+ (lp->activate == CHANGE_AE) ||
+ (lp->activate == CHANGE_ALY))) {
+ /* Ensure all stacked messages are submitted */
+ if (!(lvl = find_lv_in_vg(vg, lp->pool))) {
+ log_error("Unable to find existing pool LV %s in VG %s.",
+ lp->pool, vg->name);
+ return 0;
+ }
+ if (!update_pool_lv(lvl->lv, 1)) {
+ stack;
+ goto revert_new_lv;
+ }
+ }
+
if (segtype_is_mirrored(lp->segtype) || segtype_is_raid(lp->segtype)) {
init_mirror_in_sync(lp->nosync);
@@ -4196,14 +4219,21 @@
init_dmeventd_monitor(lp->activation_monitoring);
if (seg_is_thin(lp)) {
- if ((lp->activate == CHANGE_AY) ||
- (lp->activate == CHANGE_ALY))
- lp->activate = CHANGE_AE;
- if ((lp->activate == CHANGE_AE) &&
- !activate_lv_excl(cmd, lv)) {
- log_error("Aborting. Failed to activate thin %s.",
- lv->name);
- goto deactivate_and_revert_new_lv;
+ if (((lp->activate == CHANGE_AY) ||
+ (lp->activate == CHANGE_AE) ||
+ (lp->activate == CHANGE_ALY))) {
+ if (!activate_lv_excl(cmd, lv)) {
+ log_error("Aborting. Failed to activate thin %s.",
+ lv->name);
+ goto deactivate_and_revert_new_lv;
+ }
+
+ pool_lv = lv_is_thin_pool(lv) ? lv : first_seg(lv)->pool_lv;
+ /* Drop any queued thin messages after activation */
+ if (!update_pool_lv(pool_lv, 0)) {
+ stack;
+ goto deactivate_and_revert_new_lv;
+ }
}
} else if (lp->snapshot) {
if (!activate_lv_excl(cmd, lv)) {
@@ -4227,13 +4257,6 @@
lp->snapshot ? "snapshot exception store" :
"start of new LV");
goto deactivate_and_revert_new_lv;
- } else if (seg_is_thin_volume(lp) && (lp->activate == CHANGE_AE)) {
- /* FIXME: for now we may drop any queued thin messages
- * since we are sure everything was activated already */
- if (!detach_pool_messages(first_seg(lv)->pool_lv)) {
- stack;
- goto deactivate_and_revert_new_lv;
- }
}
if (lp->snapshot) {
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