}
EXPORT_SYMBOL(dm_consume_args);
+static bool __table_type_request_based(unsigned table_type)
+{
+ return (table_type == DM_TYPE_REQUEST_BASED ||
+ table_type == DM_TYPE_MQ_REQUEST_BASED);
+}
+
static int dm_table_set_type(struct dm_table *t)
{
unsigned i;
* Determine the type from the live device.
* Default to bio-based if device is new.
*/
- if (live_md_type == DM_TYPE_REQUEST_BASED ||
- live_md_type == DM_TYPE_MQ_REQUEST_BASED)
+ if (__table_type_request_based(live_md_type))
request_based = 1;
else
bio_based = 1;
}
t->type = DM_TYPE_MQ_REQUEST_BASED;
- } else if (hybrid && list_empty(devices) && live_md_type != DM_TYPE_NONE) {
+ } else if (list_empty(devices) && __table_type_request_based(live_md_type)) {
/* inherit live MD type */
t->type = live_md_type;
bool dm_table_request_based(struct dm_table *t)
{
- unsigned table_type = dm_table_get_type(t);
-
- return (table_type == DM_TYPE_REQUEST_BASED ||
- table_type == DM_TYPE_MQ_REQUEST_BASED);
+ return __table_type_request_based(dm_table_get_type(t));
}
bool dm_table_mq_request_based(struct dm_table *t)
{
unsigned type = dm_table_get_type(t);
unsigned per_bio_data_size = 0;
- struct dm_target *tgt;
unsigned i;
- if (unlikely(type == DM_TYPE_NONE)) {
+ switch (type) {
+ case DM_TYPE_BIO_BASED:
+ for (i = 0; i < t->num_targets; i++) {
+ struct dm_target *tgt = t->targets + i;
+
+ per_bio_data_size = max(per_bio_data_size,
+ tgt->per_bio_data_size);
+ }
+ t->mempools = dm_alloc_bio_mempools(t->integrity_supported,
+ per_bio_data_size);
+ break;
+ case DM_TYPE_REQUEST_BASED:
+ case DM_TYPE_MQ_REQUEST_BASED:
+ t->mempools = dm_alloc_rq_mempools(md, type);
+ break;
+ default:
DMWARN("no table type is set, can't allocate mempools");
return -EINVAL;
}
- if (type == DM_TYPE_BIO_BASED)
- for (i = 0; i < t->num_targets; i++) {
- tgt = t->targets + i;
- per_bio_data_size = max(per_bio_data_size, tgt->per_bio_data_size);
- }
-
- t->mempools = dm_alloc_md_mempools(md, type, t->integrity_supported, per_bio_data_size);
if (!t->mempools)
return -ENOMEM;