243 	struct thin_disk_superblock *disk_super = dm_block_data(b);  in sb_prepare_for_write()  local
245 	disk_super->blocknr = cpu_to_le64(dm_block_location(b));  in sb_prepare_for_write()
246 	disk_super->csum = cpu_to_le32(dm_bm_checksum(&disk_super->flags,  in sb_prepare_for_write()
255 	struct thin_disk_superblock *disk_super = dm_block_data(b);  in sb_check()  local
258 	if (dm_block_location(b) != le64_to_cpu(disk_super->blocknr)) {  in sb_check()
260 		      "wanted %llu", le64_to_cpu(disk_super->blocknr),  in sb_check()
265 	if (le64_to_cpu(disk_super->magic) != THIN_SUPERBLOCK_MAGIC) {  in sb_check()
267 		      "wanted %llu", le64_to_cpu(disk_super->magic),  in sb_check()
272 	csum_le = cpu_to_le32(dm_bm_checksum(&disk_super->flags,  in sb_check()
275 	if (csum_le != disk_super->csum) {  in sb_check()
277 		      le32_to_cpu(csum_le), le32_to_cpu(disk_super->csum));  in sb_check()
520 	struct thin_disk_superblock *disk_super;  in __write_initial_superblock()  local
542 	disk_super = dm_block_data(sblock);  in __write_initial_superblock()
543 	disk_super->flags = 0;  in __write_initial_superblock()
544 	memset(disk_super->uuid, 0, sizeof(disk_super->uuid));  in __write_initial_superblock()
545 	disk_super->magic = cpu_to_le64(THIN_SUPERBLOCK_MAGIC);  in __write_initial_superblock()
546 	disk_super->version = cpu_to_le32(THIN_VERSION);  in __write_initial_superblock()
547 	disk_super->time = 0;  in __write_initial_superblock()
548 	disk_super->trans_id = 0;  in __write_initial_superblock()
549 	disk_super->held_root = 0;  in __write_initial_superblock()
551 	copy_sm_roots(pmd, disk_super);  in __write_initial_superblock()
553 	disk_super->data_mapping_root = cpu_to_le64(pmd->root);  in __write_initial_superblock()
554 	disk_super->device_details_root = cpu_to_le64(pmd->details_root);  in __write_initial_superblock()
555 	disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE);  in __write_initial_superblock()
556 	disk_super->metadata_nr_blocks = cpu_to_le64(bdev_size >> SECTOR_TO_BLOCK_SHIFT);  in __write_initial_superblock()
557 	disk_super->data_block_size = cpu_to_le32(pmd->data_block_size);  in __write_initial_superblock()
616 static int __check_incompat_features(struct thin_disk_superblock *disk_super,  in __check_incompat_features()  argument
621 	features = le32_to_cpu(disk_super->incompat_flags) & ~THIN_FEATURE_INCOMPAT_SUPP;  in __check_incompat_features()
634 	features = le32_to_cpu(disk_super->compat_ro_flags) & ~THIN_FEATURE_COMPAT_RO_SUPP;  in __check_incompat_features()
648 	struct thin_disk_superblock *disk_super;  in __open_metadata()  local
657 	disk_super = dm_block_data(sblock);  in __open_metadata()
660 	if (le32_to_cpu(disk_super->data_block_size) != pmd->data_block_size) {  in __open_metadata()
662 		      le32_to_cpu(disk_super->data_block_size),  in __open_metadata()
668 	r = __check_incompat_features(disk_super, pmd);  in __open_metadata()
673 			       disk_super->metadata_space_map_root,  in __open_metadata()
674 			       sizeof(disk_super->metadata_space_map_root),  in __open_metadata()
681 	pmd->data_sm = dm_sm_disk_open(pmd->tm, disk_super->data_space_map_root,  in __open_metadata()
682 				       sizeof(disk_super->data_space_map_root));  in __open_metadata()
756 	struct thin_disk_superblock *disk_super;  in __begin_transaction()  local
768 	disk_super = dm_block_data(sblock);  in __begin_transaction()
769 	pmd->time = le32_to_cpu(disk_super->time);  in __begin_transaction()
770 	pmd->root = le64_to_cpu(disk_super->data_mapping_root);  in __begin_transaction()
771 	pmd->details_root = le64_to_cpu(disk_super->device_details_root);  in __begin_transaction()
772 	pmd->trans_id = le64_to_cpu(disk_super->trans_id);  in __begin_transaction()
773 	pmd->flags = le32_to_cpu(disk_super->flags);  in __begin_transaction()
774 	pmd->data_block_size = le32_to_cpu(disk_super->data_block_size);  in __begin_transaction()
818 	struct thin_disk_superblock *disk_super;  in __commit_transaction()  local
849 	disk_super = dm_block_data(sblock);  in __commit_transaction()
850 	disk_super->time = cpu_to_le32(pmd->time);  in __commit_transaction()
851 	disk_super->data_mapping_root = cpu_to_le64(pmd->root);  in __commit_transaction()
852 	disk_super->device_details_root = cpu_to_le64(pmd->details_root);  in __commit_transaction()
853 	disk_super->trans_id = cpu_to_le64(pmd->trans_id);  in __commit_transaction()
854 	disk_super->flags = cpu_to_le32(pmd->flags);  in __commit_transaction()
856 	copy_sm_roots(pmd, disk_super);  in __commit_transaction()
1256 	struct thin_disk_superblock *disk_super;  in __reserve_metadata_snap()  local
1283 	disk_super = dm_block_data(copy);  in __reserve_metadata_snap()
1285 	if (le64_to_cpu(disk_super->held_root)) {  in __reserve_metadata_snap()
1296 	memset(&disk_super->data_space_map_root, 0,  in __reserve_metadata_snap()
1297 	       sizeof(disk_super->data_space_map_root));  in __reserve_metadata_snap()
1298 	memset(&disk_super->metadata_space_map_root, 0,  in __reserve_metadata_snap()
1299 	       sizeof(disk_super->metadata_space_map_root));  in __reserve_metadata_snap()
1304 	dm_tm_inc(pmd->tm, le64_to_cpu(disk_super->data_mapping_root));  in __reserve_metadata_snap()
1305 	dm_tm_inc(pmd->tm, le64_to_cpu(disk_super->device_details_root));  in __reserve_metadata_snap()
1317 	disk_super = dm_block_data(sblock);  in __reserve_metadata_snap()
1318 	disk_super->held_root = cpu_to_le64(held_root);  in __reserve_metadata_snap()
1338 	struct thin_disk_superblock *disk_super;  in __release_metadata_snap()  local
1346 	disk_super = dm_block_data(sblock);  in __release_metadata_snap()
1347 	held_root = le64_to_cpu(disk_super->held_root);  in __release_metadata_snap()
1348 	disk_super->held_root = cpu_to_le64(0);  in __release_metadata_snap()
1361 	disk_super = dm_block_data(copy);  in __release_metadata_snap()
1362 	dm_btree_del(&pmd->info, le64_to_cpu(disk_super->data_mapping_root));  in __release_metadata_snap()
1363 	dm_btree_del(&pmd->details_info, le64_to_cpu(disk_super->device_details_root));  in __release_metadata_snap()
1387 	struct thin_disk_superblock *disk_super;  in __get_metadata_snap()  local
1395 	disk_super = dm_block_data(sblock);  in __get_metadata_snap()
1396 	*result = le64_to_cpu(disk_super->held_root);  in __get_metadata_snap()
2051 	struct thin_disk_superblock *disk_super;  in dm_pool_metadata_set_needs_check()  local
2065 	disk_super = dm_block_data(sblock);  in dm_pool_metadata_set_needs_check()
2066 	disk_super->flags = cpu_to_le32(pmd->flags);  in dm_pool_metadata_set_needs_check()