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Code Releases Activity

raid: improve table reload sequence

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This is another place for 'common' use pattern or
reload and activation of deleted devices.
(Moving the exclusive activation to _deactivate_and_remove_lvs()).

TODO: looks like halve of raid function is reloading
just 'origin' - and the other full LV.
This commit is contained in:
Zdenek Kabelac 2016-12-13 12:31:28 +01:00
parent 7dff632c11
commit 0690392040
2 changed files with 10 additions and 51 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.169 -
=====================================
Reusing exiting code for raid image removal.
Fix pvmove leaving -pvmove0 error device in clustered VG.
Avoid adding extra '_' at end of raid extracted images or metadata.
Optimize another _rmeta clearing code.

54
lib/metadata/raid_manip.c
View File

@ -248,8 +248,7 @@ static int _deactivate_and_remove_lvs(struct volume_group *vg, struct dm_list *r
{
struct lv_list *lvl;
if (vg_is_clustered(vg))
/* Need to take lock for proper deactivation */
/* Need to take lock/resume for proper deactivation */
dm_list_iterate_items(lvl, removal_lvs)
if (!activate_lv_excl_local(vg->cmd, lvl->lv))
return_0;
@ -1214,15 +1213,14 @@ static int _raid_remove_images(struct logical_volume *lv,
struct dm_list *removal_lvs, int commit)
{
struct dm_list removed_lvs;
struct lv_list *lvl;
dm_list_init(&removed_lvs);
if (!archive(lv->vg))
return_0;
if (!removal_lvs)
if (!removal_lvs) {
dm_list_init(&removed_lvs);
removal_lvs = &removed_lvs;
}
if (!_raid_extract_images(lv, 0, new_count, allocate_pvs, 1,
removal_lvs, removal_lvs)) {
@ -1245,48 +1243,8 @@ static int _raid_remove_images(struct logical_volume *lv,
if (!commit)
return 1;
if (!vg_write(lv->vg)) {
log_error("Failed to write changes for %s.",
display_lvname(lv));
return 0;
}
if (!suspend_lv(lv->vg->cmd, lv)) {
log_error("Failed to suspend %s before committing changes.",
display_lvname(lv));
vg_revert(lv->vg);
return 0;
}
if (!vg_commit(lv->vg)) {
log_error("Failed to commit changes for %s.",
display_lvname(lv));
return 0;
}
/*
* We activate the extracted sub-LVs first so they are renamed
* and won't conflict with the remaining (possibly shifted)
* sub-LVs.
*/
dm_list_iterate_items(lvl, removal_lvs) {
if (!activate_lv_excl_local(lv->vg->cmd, lvl->lv)) {
log_error("Failed to resume extracted LVs.");
return 0;
}
}
if (!resume_lv(lv->vg->cmd, lv)) {
log_error("Failed to resume %s after committing changes.",
display_lvname(lv));
return 0;
}
if (!sync_local_dev_names(lv->vg->cmd)) {
log_error("Failed to sync local devices after committing changes for %s.",
display_lvname(lv));
return 0;
}
if (!lv_update_and_reload(lv))
return_0;
/*
* Eliminate the extracted LVs