252 	struct thin_disk_superblock *disk_super = dm_block_data(b);  in sb_prepare_for_write()  local
254 	disk_super->blocknr = cpu_to_le64(dm_block_location(b));  in sb_prepare_for_write()
255 	disk_super->csum = cpu_to_le32(dm_bm_checksum(&disk_super->flags,  in sb_prepare_for_write()
264 	struct thin_disk_superblock *disk_super = dm_block_data(b);  in sb_check()  local
267 	if (dm_block_location(b) != le64_to_cpu(disk_super->blocknr)) {  in sb_check()
269 		      "wanted %llu", le64_to_cpu(disk_super->blocknr),  in sb_check()
274 	if (le64_to_cpu(disk_super->magic) != THIN_SUPERBLOCK_MAGIC) {  in sb_check()
276 		      "wanted %llu", le64_to_cpu(disk_super->magic),  in sb_check()
281 	csum_le = cpu_to_le32(dm_bm_checksum(&disk_super->flags,  in sb_check()
284 	if (csum_le != disk_super->csum) {  in sb_check()
286 		      le32_to_cpu(csum_le), le32_to_cpu(disk_super->csum));  in sb_check()
528 	struct thin_disk_superblock *disk_super;  in __write_initial_superblock()  local
550 	disk_super = dm_block_data(sblock);  in __write_initial_superblock()
551 	disk_super->flags = 0;  in __write_initial_superblock()
552 	memset(disk_super->uuid, 0, sizeof(disk_super->uuid));  in __write_initial_superblock()
553 	disk_super->magic = cpu_to_le64(THIN_SUPERBLOCK_MAGIC);  in __write_initial_superblock()
554 	disk_super->version = cpu_to_le32(THIN_VERSION);  in __write_initial_superblock()
555 	disk_super->time = 0;  in __write_initial_superblock()
556 	disk_super->trans_id = 0;  in __write_initial_superblock()
557 	disk_super->held_root = 0;  in __write_initial_superblock()
559 	copy_sm_roots(pmd, disk_super);  in __write_initial_superblock()
561 	disk_super->data_mapping_root = cpu_to_le64(pmd->root);  in __write_initial_superblock()
562 	disk_super->device_details_root = cpu_to_le64(pmd->details_root);  in __write_initial_superblock()
563 	disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE);  in __write_initial_superblock()
564 	disk_super->metadata_nr_blocks = cpu_to_le64(bdev_size >> SECTOR_TO_BLOCK_SHIFT);  in __write_initial_superblock()
565 	disk_super->data_block_size = cpu_to_le32(pmd->data_block_size);  in __write_initial_superblock()
624 static int __check_incompat_features(struct thin_disk_superblock *disk_super,  in __check_incompat_features()  argument
629 	features = le32_to_cpu(disk_super->incompat_flags) & ~THIN_FEATURE_INCOMPAT_SUPP;  in __check_incompat_features()
642 	features = le32_to_cpu(disk_super->compat_ro_flags) & ~THIN_FEATURE_COMPAT_RO_SUPP;  in __check_incompat_features()
656 	struct thin_disk_superblock *disk_super;  in __open_metadata()  local
665 	disk_super = dm_block_data(sblock);  in __open_metadata()
668 	if (le32_to_cpu(disk_super->data_block_size) != pmd->data_block_size) {  in __open_metadata()
670 		      le32_to_cpu(disk_super->data_block_size),  in __open_metadata()
676 	r = __check_incompat_features(disk_super, pmd);  in __open_metadata()
681 			       disk_super->metadata_space_map_root,  in __open_metadata()
682 			       sizeof(disk_super->metadata_space_map_root),  in __open_metadata()
689 	pmd->data_sm = dm_sm_disk_open(pmd->tm, disk_super->data_space_map_root,  in __open_metadata()
690 				       sizeof(disk_super->data_space_map_root));  in __open_metadata()
768 	struct thin_disk_superblock *disk_super;  in __begin_transaction()  local
780 	disk_super = dm_block_data(sblock);  in __begin_transaction()
781 	pmd->time = le32_to_cpu(disk_super->time);  in __begin_transaction()
782 	pmd->root = le64_to_cpu(disk_super->data_mapping_root);  in __begin_transaction()
783 	pmd->details_root = le64_to_cpu(disk_super->device_details_root);  in __begin_transaction()
784 	pmd->trans_id = le64_to_cpu(disk_super->trans_id);  in __begin_transaction()
785 	pmd->flags = le32_to_cpu(disk_super->flags);  in __begin_transaction()
786 	pmd->data_block_size = le32_to_cpu(disk_super->data_block_size);  in __begin_transaction()
830 	struct thin_disk_superblock *disk_super;  in __commit_transaction()  local
870 	disk_super = dm_block_data(sblock);  in __commit_transaction()
871 	disk_super->time = cpu_to_le32(pmd->time);  in __commit_transaction()
872 	disk_super->data_mapping_root = cpu_to_le64(pmd->root);  in __commit_transaction()
873 	disk_super->device_details_root = cpu_to_le64(pmd->details_root);  in __commit_transaction()
874 	disk_super->trans_id = cpu_to_le64(pmd->trans_id);  in __commit_transaction()
875 	disk_super->flags = cpu_to_le32(pmd->flags);  in __commit_transaction()
877 	copy_sm_roots(pmd, disk_super);  in __commit_transaction()
1279 	struct thin_disk_superblock *disk_super;  in __reserve_metadata_snap()  local
1306 	disk_super = dm_block_data(copy);  in __reserve_metadata_snap()
1308 	if (le64_to_cpu(disk_super->held_root)) {  in __reserve_metadata_snap()
1319 	memset(&disk_super->data_space_map_root, 0,  in __reserve_metadata_snap()
1320 	       sizeof(disk_super->data_space_map_root));  in __reserve_metadata_snap()
1321 	memset(&disk_super->metadata_space_map_root, 0,  in __reserve_metadata_snap()
1322 	       sizeof(disk_super->metadata_space_map_root));  in __reserve_metadata_snap()
1327 	dm_tm_inc(pmd->tm, le64_to_cpu(disk_super->data_mapping_root));  in __reserve_metadata_snap()
1328 	dm_tm_inc(pmd->tm, le64_to_cpu(disk_super->device_details_root));  in __reserve_metadata_snap()
1340 	disk_super = dm_block_data(sblock);  in __reserve_metadata_snap()
1341 	disk_super->held_root = cpu_to_le64(held_root);  in __reserve_metadata_snap()
1361 	struct thin_disk_superblock *disk_super;  in __release_metadata_snap()  local
1369 	disk_super = dm_block_data(sblock);  in __release_metadata_snap()
1370 	held_root = le64_to_cpu(disk_super->held_root);  in __release_metadata_snap()
1371 	disk_super->held_root = cpu_to_le64(0);  in __release_metadata_snap()
1384 	disk_super = dm_block_data(copy);  in __release_metadata_snap()
1385 	dm_btree_del(&pmd->info, le64_to_cpu(disk_super->data_mapping_root));  in __release_metadata_snap()
1386 	dm_btree_del(&pmd->details_info, le64_to_cpu(disk_super->device_details_root));  in __release_metadata_snap()
1410 	struct thin_disk_superblock *disk_super;  in __get_metadata_snap()  local
1418 	disk_super = dm_block_data(sblock);  in __get_metadata_snap()
1419 	*result = le64_to_cpu(disk_super->held_root);  in __get_metadata_snap()
2084 	struct thin_disk_superblock *disk_super;  in dm_pool_metadata_set_needs_check()  local
2098 	disk_super = dm_block_data(sblock);  in dm_pool_metadata_set_needs_check()
2099 	disk_super->flags = cpu_to_le32(pmd->flags);  in dm_pool_metadata_set_needs_check()