dm_tm_dec
dm_tm_dec(pmd->tm, origin_root);
dm_tm_dec(pmd->tm, held_root);
dm_tm_dec(pmd->tm, held_root);
dm_tm_dec(info->btree_info.tm, b);
dm_tm_dec(info->tm, dm_block_location(r->block));
dm_tm_dec(info->tm, dm_block_location(c->block));
dm_tm_dec(info->tm, dm_block_location(child));
dm_tm_dec(s->tm, b);
dm_tm_dec(s->tm, dm_block_location(f->b));
EXPORT_SYMBOL_GPL(dm_tm_dec);
void dm_tm_dec(struct dm_transaction_manager *tm, dm_block_t b);