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Replicator: add replicator to dtree

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Adding all replicator related LVs to dtree.
Start of one replicator_dev initiate start of all other related.
This commit is contained in:
Zdenek Kabelac 2010-05-24 09:01:05 +00:00
parent df7edc00b8
commit 591fc4d2d1
2 changed files with 60 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.67 -
===============================
Add Replicators' LVs to dtree for activation.
Avoid print activation message if there is a missing VG (Replicator).
Fixed scripts/relpath.awk to work in mawk
Add _add_partial_replicator_to_dtree().

60
lib/activate/dev_manager.c
View File

@ -1200,6 +1200,61 @@ static int _add_target_to_dtree(struct dev_manager *dm,
static int _add_new_lv_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
struct logical_volume *lv, const char *layer);
/* Add all replicators' LVs */
static int _add_replicator_dev_target_to_dtree(struct dev_manager *dm,
struct dm_tree *dtree,
struct lv_segment *seg)
{
struct replicator_device *rdev;
struct replicator_site *rsite;
/* For inactive replicator add linear mapping */
if (!lv_is_active_replicator_dev(seg->lv)) {
if (!_add_new_lv_to_dtree(dm, dtree, seg->lv->rdevice->lv, NULL))
return_0;
return 1;
}
/* Add rlog and replicator nodes */
if (!seg->replicator ||
!first_seg(seg->replicator)->rlog_lv ||
!_add_new_lv_to_dtree(dm, dtree,
first_seg(seg->replicator)->rlog_lv, NULL) ||
!_add_new_lv_to_dtree(dm, dtree, seg->replicator, NULL))
return_0;
/* Activation of one replicator_dev node activates all other nodes */
dm_list_iterate_items(rsite, &seg->replicator->rsites) {
dm_list_iterate_items(rdev, &rsite->rdevices) {
if (rdev->lv &&
!_add_new_lv_to_dtree(dm, dtree, rdev->lv, NULL))
return_0;
if (rdev->slog &&
!_add_new_lv_to_dtree(dm, dtree,
rdev->slog, NULL))
return_0;
}
}
/* Add remaining replicator-dev nodes in the second loop
* to avoid multiple retries for inserting all elements */
dm_list_iterate_items(rsite, &seg->replicator->rsites) {
if (rsite->state != REPLICATOR_STATE_ACTIVE)
continue;
dm_list_iterate_items(rdev, &rsite->rdevices) {
if (rdev->replicator_dev->lv == seg->lv)
continue;
if (!rdev->replicator_dev->lv ||
!_add_new_lv_to_dtree(dm, dtree,
rdev->replicator_dev->lv,
NULL))
return_0;
}
}
return 1;
}
static int _add_segment_to_dtree(struct dev_manager *dm,
struct dm_tree *dtree,
struct dm_tree_node *dnode,
@ -1230,9 +1285,12 @@ static int _add_segment_to_dtree(struct dev_manager *dm,
!_add_new_lv_to_dtree(dm, dtree, seg->log_lv, NULL))
return_0;
if (seg_is_replicator_dev(seg)) {
if (!_add_replicator_dev_target_to_dtree(dm, dtree, seg))
return_0;
/* If this is a snapshot origin, add real LV */
/* If this is a snapshot origin + merging snapshot, add cow + real LV */
if (lv_is_origin(seg->lv) && !layer) {
} else if (lv_is_origin(seg->lv) && !layer) {
if (vg_is_clustered(seg->lv->vg)) {
log_error("Clustered snapshots are not yet supported");
return 0;