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libdm: support reserve and release metadata snap msg

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Add support for new message types for thinp target 1.1
This commit is contained in:
Zdenek Kabelac 2012-07-04 11:28:53 +02:00
parent dcd4afc716
commit c4db22bd4f
3 changed files with 9 additions and 0 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.76 -
===============================
Add support for thin pool message release/reserve_metadata_snap.
Add support for thin pool discard and external origin.
Add configure --enable-udev-rule-exec-detection to detect exec path in rules.
Use sbindir in udev rules by default and remove executable path detection.

2
libdm/libdevmapper.h
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@ -650,6 +650,8 @@ typedef enum {
DM_THIN_MESSAGE_CREATE_THIN, /* device_id */
DM_THIN_MESSAGE_DELETE, /* device_id */
DM_THIN_MESSAGE_SET_TRANSACTION_ID, /* current_id, new_id */
DM_THIN_MESSAGE_RESERVE_METADATA_SNAP, /* 1.1 */
DM_THIN_MESSAGE_RELEASE_METADATA_SNAP, /* 1.1 */
} dm_thin_message_t;
int dm_tree_node_add_thin_pool_message(struct dm_tree_node *node,

6
libdm/libdm-deptree.c
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@ -1411,6 +1411,12 @@ static int _thin_pool_node_message(struct dm_tree_node *dnode, struct thin_messa
m->u.m_set_transaction_id.current_id,
m->u.m_set_transaction_id.new_id);
break;
case DM_THIN_MESSAGE_RESERVE_METADATA_SNAP: /* 1.1 */
r = dm_snprintf(buf, sizeof(buf), "reserve_metadata_snap");
break;
case DM_THIN_MESSAGE_RELEASE_METADATA_SNAP: /* 1.1 */
r = dm_snprintf(buf, sizeof(buf), "release_metadata_snap");
break;
default:
r = -1;
}