dm_tm_open_with_sm
r = dm_tm_open_with_sm(cmd->bm, CACHE_SUPERBLOCK_LOCATION,
r = dm_tm_open_with_sm(cmd->bm, SUPERBLOCK_LOCATION,
r = dm_tm_open_with_sm(md->bm, SUPERBLOCK_LOCATION,
r = dm_tm_open_with_sm(pmd->bm, THIN_SUPERBLOCK_LOCATION,
EXPORT_SYMBOL_GPL(dm_tm_open_with_sm);
int dm_tm_open_with_sm(struct dm_block_manager *bm, dm_block_t sb_location,