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vdo: allow passing renamed vdopool name to kernel

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Although kernel does not allow to load a new dm table
with renamed vdopool, at least make lvm2 code ready
it it every will get supported.
This commit is contained in:
Zdenek Kabelac 2020-09-23 13:20:28 +02:00
parent 7c19186271
commit 50a37948b5
3 changed files with 7 additions and 3 deletions
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1
device_mapper/all.h
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@ -1019,6 +1019,7 @@ int dm_tree_node_add_integrity_target(struct dm_tree_node *node,
*/
int dm_tree_node_add_vdo_target(struct dm_tree_node *node,
uint64_t size,
const char *vdo_pool_name,
const char *data_uuid,
uint64_t data_size,
const struct dm_vdo_target_params *param);

3
device_mapper/libdm-deptree.c
View File

@ -4360,6 +4360,7 @@ int dm_tree_node_add_cache_target_base(struct dm_tree_node *node,
int dm_tree_node_add_vdo_target(struct dm_tree_node *node,
uint64_t size,
const char *vdo_pool_name,
const char *data_uuid,
uint64_t data_size,
const struct dm_vdo_target_params *vtp)
@ -4381,7 +4382,7 @@ int dm_tree_node_add_vdo_target(struct dm_tree_node *node,
return_0;
seg->vdo_params = *vtp;
seg->vdo_name = node->name;
seg->vdo_name = vdo_pool_name;
seg->vdo_data_size = data_size;
node->props.send_messages = 2;

6
lib/vdo/vdo.c
View File

@ -362,19 +362,21 @@ static int _vdo_pool_add_target_line(struct dev_manager *dm,
struct dm_tree_node *node, uint64_t len,
uint32_t *pvmove_mirror_count __attribute__((unused)))
{
char *data_uuid;
char *vdo_pool_name, *data_uuid;
if (!seg_is_vdo_pool(seg)) {
log_error(INTERNAL_ERROR "Passed segment is not VDO pool.");
return 0;
}
if (!(vdo_pool_name = dm_build_dm_name(mem, seg->lv->vg->name, seg->lv->name, lv_layer(seg->lv))))
return_0;
if (!(data_uuid = build_dm_uuid(mem, seg_lv(seg, 0), lv_layer(seg_lv(seg, 0)))))
return_0;
/* VDO uses virtual size instead of its physical size */
if (!dm_tree_node_add_vdo_target(node, get_vdo_pool_virtual_size(seg),
data_uuid, seg_lv(seg, 0)->size,
vdo_pool_name, data_uuid, seg_lv(seg, 0)->size,
&seg->vdo_params))
return_0;