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activation: add _add_layer_target_to_dtree

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Add function for creation of simple linear mapping over layer device.
This commit is contained in:
Zdenek Kabelac 2013-02-21 10:24:28 +01:00
parent 520cc9a7f8
commit 0631d233d8
2 changed files with 20 additions and 0 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.99 -
===================================
Add _add_layer_target_to_dtree() for adding linear layer into dtree.
Extend _cached_info() to accept layer string.
Allow identical table reload for RAID to restore transiently failed PVs.
vgimport '--force' now allows users to import VGs with missing PVs.

19
lib/activate/dev_manager.c
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@ -1831,6 +1831,25 @@ int add_areas_line(struct dev_manager *dm, struct lv_segment *seg,
return 1;
}
static int _add_layer_target_to_dtree(struct dev_manager *dm,
struct dm_tree_node *dnode,
struct logical_volume *lv)
{
const char *layer_dlid;
if (!(layer_dlid = build_dm_uuid(dm->mem, lv->lvid.s, lv_layer(lv))))
return_0;
/* Add linear mapping over layered LV */
if (!add_linear_area_to_dtree(dnode, lv->size, lv->vg->extent_size,
lv->vg->cmd->use_linear_target,
lv->vg->name, lv->name) ||
!dm_tree_node_add_target_area(dnode, NULL, layer_dlid, 0))
return_0;
return 1;
}
static int _add_origin_target_to_dtree(struct dev_manager *dm,
struct dm_tree_node *dnode,
struct logical_volume *lv)