dm_clone_get_free_metadata_block_count  170 drivers/md/dm-clone-metadata.h int dm_clone_get_free_metadata_block_count(struct dm_clone_metadata *cmd, dm_block_t *result);
dm_clone_get_free_metadata_block_count 1456 drivers/md/dm-clone-target.c 		r = dm_clone_get_free_metadata_block_count(clone->cmd, &nr_free_metadata_blocks);