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Code Releases Activity

Replicator: update _create_partial_dtree()

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Adding function _add_partial_replicator_to_dtree() to create
partial tree for Replicator target.

Using dm_tree_node_set_presuspend_node() for Replicator.
This commit is contained in:
Zdenek Kabelac 2010-05-21 14:47:58 +00:00
parent 9249fb12b8
commit dc7d777606
2 changed files with 84 additions and 0 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.67 -
===============================
Add _add_partial_replicator_to_dtree().
Activation code read and releases also remote VGs (Replicator).
Check for missing VGs before taking lock_vol (Replicator).
Update process_each_lv_in_vg() to use cmd_vg structure.

83
lib/activate/dev_manager.c
View File

@ -864,6 +864,84 @@ static int _add_dev_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
return 1;
}
/*
* Add replicator devices
*
* Using _add_dev_to_dtree() directly instead of _add_lv_to_dtree()
* to avoid extra checks with extensions.
*/
static int _add_partial_replicator_to_dtree(struct dev_manager *dm,
struct dm_tree *dtree,
struct logical_volume *lv)
{
struct logical_volume *rlv = first_seg(lv)->replicator;
struct replicator_device *rdev;
struct replicator_site *rsite;
struct dm_tree_node *rep_node, *rdev_node;
const char *uuid;
if (!lv_is_active_replicator_dev(lv)) {
if (!_add_dev_to_dtree(dm, dtree, lv->rdevice->lv,
NULL))
return_0;
return 1;
}
/* Add _rlog and replicator device */
if (!_add_dev_to_dtree(dm, dtree, first_seg(rlv)->rlog_lv, NULL))
return_0;
if (!_add_dev_to_dtree(dm, dtree, rlv, NULL))
return_0;
if (!(uuid = build_dm_uuid(dm->mem, rlv->lvid.s, NULL)))
return_0;
rep_node = dm_tree_find_node_by_uuid(dtree, uuid);
/* Add all related devices for replicator */
dm_list_iterate_items(rsite, &rlv->rsites)
dm_list_iterate_items(rdev, &rsite->rdevices) {
if (rsite->state == REPLICATOR_STATE_ACTIVE) {
/* Add _rimage LV */
if (!_add_dev_to_dtree(dm, dtree, rdev->lv, NULL))
return_0;
/* Add replicator-dev LV, except of the already added one */
if ((lv != rdev->replicator_dev->lv) &&
!_add_dev_to_dtree(dm, dtree,
rdev->replicator_dev->lv, NULL))
return_0;
/* If replicator exists - try connect existing heads */
if (rep_node) {
uuid = build_dm_uuid(dm->mem,
rdev->replicator_dev->lv->lvid.s,
NULL);
if (!uuid)
return_0;
rdev_node = dm_tree_find_node_by_uuid(dtree, uuid);
if (rdev_node)
dm_tree_node_set_presuspend_node(rdev_node,
rep_node);
}
}
if (!rdev->rsite->vg_name)
continue;
if (!_add_dev_to_dtree(dm, dtree, rdev->lv, NULL))
return_0;
if (rdev->slog &&
!_add_dev_to_dtree(dm, dtree, rdev->slog, NULL))
return_0;
}
return 1;
}
/*
* Add LV and any known dependencies
*/
@ -883,6 +961,11 @@ static int _add_lv_to_dtree(struct dev_manager *dm, struct dm_tree *dtree, struc
!_add_dev_to_dtree(dm, dtree, first_seg(lv)->log_lv, NULL))
return_0;
/* Adding LV head of replicator adds all other related devs */
if (lv_is_replicator_dev(lv) &&
!_add_partial_replicator_to_dtree(dm, dtree, lv))
return_0;
return 1;
}