256 	struct thin_disk_superblock *disk_super = dm_block_data(b);  in sb_prepare_for_write()  local
258 	disk_super->blocknr = cpu_to_le64(dm_block_location(b));  in sb_prepare_for_write()
259 	disk_super->csum = cpu_to_le32(dm_bm_checksum(&disk_super->flags,  in sb_prepare_for_write()
268 	struct thin_disk_superblock *disk_super = dm_block_data(b);  in sb_check()  local
271 	if (dm_block_location(b) != le64_to_cpu(disk_super->blocknr)) {  in sb_check()
273 		      __func__, le64_to_cpu(disk_super->blocknr),  in sb_check()
278 	if (le64_to_cpu(disk_super->magic) != THIN_SUPERBLOCK_MAGIC) {  in sb_check()
280 		      __func__, le64_to_cpu(disk_super->magic),  in sb_check()
285 	csum_le = cpu_to_le32(dm_bm_checksum(&disk_super->flags,  in sb_check()
288 	if (csum_le != disk_super->csum) {  in sb_check()
290 		      __func__, le32_to_cpu(csum_le), le32_to_cpu(disk_super->csum));  in sb_check()
557 	struct thin_disk_superblock *disk_super;  in __write_initial_superblock()  local
579 	disk_super = dm_block_data(sblock);  in __write_initial_superblock()
580 	disk_super->flags = 0;  in __write_initial_superblock()
581 	memset(disk_super->uuid, 0, sizeof(disk_super->uuid));  in __write_initial_superblock()
582 	disk_super->magic = cpu_to_le64(THIN_SUPERBLOCK_MAGIC);  in __write_initial_superblock()
583 	disk_super->version = cpu_to_le32(THIN_VERSION);  in __write_initial_superblock()
584 	disk_super->time = 0;  in __write_initial_superblock()
585 	disk_super->trans_id = 0;  in __write_initial_superblock()
586 	disk_super->held_root = 0;  in __write_initial_superblock()
588 	copy_sm_roots(pmd, disk_super);  in __write_initial_superblock()
590 	disk_super->data_mapping_root = cpu_to_le64(pmd->root);  in __write_initial_superblock()
591 	disk_super->device_details_root = cpu_to_le64(pmd->details_root);  in __write_initial_superblock()
592 	disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE);  in __write_initial_superblock()
593 	disk_super->metadata_nr_blocks = cpu_to_le64(bdev_size >> SECTOR_TO_BLOCK_SHIFT);  in __write_initial_superblock()
594 	disk_super->data_block_size = cpu_to_le32(pmd->data_block_size);  in __write_initial_superblock()
660 static int __check_incompat_features(struct thin_disk_superblock *disk_super,  in __check_incompat_features()  argument
665 	features = le32_to_cpu(disk_super->incompat_flags) & ~THIN_FEATURE_INCOMPAT_SUPP;  in __check_incompat_features()
678 	features = le32_to_cpu(disk_super->compat_ro_flags) & ~THIN_FEATURE_COMPAT_RO_SUPP;  in __check_incompat_features()
692 	struct thin_disk_superblock *disk_super;  in __open_metadata()  local
701 	disk_super = dm_block_data(sblock);  in __open_metadata()
704 	if (le32_to_cpu(disk_super->data_block_size) != pmd->data_block_size) {  in __open_metadata()
706 		      le32_to_cpu(disk_super->data_block_size),  in __open_metadata()
712 	r = __check_incompat_features(disk_super, pmd);  in __open_metadata()
717 			       disk_super->metadata_space_map_root,  in __open_metadata()
718 			       sizeof(disk_super->metadata_space_map_root),  in __open_metadata()
727 	pmd->data_sm = dm_sm_disk_open(pmd->tm, disk_super->data_space_map_root,  in __open_metadata()
728 				       sizeof(disk_super->data_space_map_root));  in __open_metadata()
749 	pmd->root = le64_to_cpu(disk_super->data_mapping_root);  in __open_metadata()
750 	pmd->details_root = le64_to_cpu(disk_super->device_details_root);  in __open_metadata()
825 	struct thin_disk_superblock *disk_super;  in __begin_transaction()  local
837 	disk_super = dm_block_data(sblock);  in __begin_transaction()
838 	pmd->time = le32_to_cpu(disk_super->time);  in __begin_transaction()
839 	pmd->root = le64_to_cpu(disk_super->data_mapping_root);  in __begin_transaction()
840 	pmd->details_root = le64_to_cpu(disk_super->device_details_root);  in __begin_transaction()
841 	pmd->trans_id = le64_to_cpu(disk_super->trans_id);  in __begin_transaction()
842 	pmd->flags = le32_to_cpu(disk_super->flags);  in __begin_transaction()
843 	pmd->data_block_size = le32_to_cpu(disk_super->data_block_size);  in __begin_transaction()
887 	struct thin_disk_superblock *disk_super;  in __commit_transaction()  local
927 	disk_super = dm_block_data(sblock);  in __commit_transaction()
928 	disk_super->time = cpu_to_le32(pmd->time);  in __commit_transaction()
929 	disk_super->data_mapping_root = cpu_to_le64(pmd->root);  in __commit_transaction()
930 	disk_super->device_details_root = cpu_to_le64(pmd->details_root);  in __commit_transaction()
931 	disk_super->trans_id = cpu_to_le64(pmd->trans_id);  in __commit_transaction()
932 	disk_super->flags = cpu_to_le32(pmd->flags);  in __commit_transaction()
934 	copy_sm_roots(pmd, disk_super);  in __commit_transaction()
1335 	struct thin_disk_superblock *disk_super;  in __reserve_metadata_snap()  local
1362 	disk_super = dm_block_data(copy);  in __reserve_metadata_snap()
1364 	if (le64_to_cpu(disk_super->held_root)) {  in __reserve_metadata_snap()
1375 	memset(&disk_super->data_space_map_root, 0,  in __reserve_metadata_snap()
1376 	       sizeof(disk_super->data_space_map_root));  in __reserve_metadata_snap()
1377 	memset(&disk_super->metadata_space_map_root, 0,  in __reserve_metadata_snap()
1378 	       sizeof(disk_super->metadata_space_map_root));  in __reserve_metadata_snap()
1383 	dm_tm_inc(pmd->tm, le64_to_cpu(disk_super->data_mapping_root));  in __reserve_metadata_snap()
1384 	dm_tm_inc(pmd->tm, le64_to_cpu(disk_super->device_details_root));  in __reserve_metadata_snap()
1396 	disk_super = dm_block_data(sblock);  in __reserve_metadata_snap()
1397 	disk_super->held_root = cpu_to_le64(held_root);  in __reserve_metadata_snap()
1417 	struct thin_disk_superblock *disk_super;  in __release_metadata_snap()  local
1425 	disk_super = dm_block_data(sblock);  in __release_metadata_snap()
1426 	held_root = le64_to_cpu(disk_super->held_root);  in __release_metadata_snap()
1427 	disk_super->held_root = cpu_to_le64(0);  in __release_metadata_snap()
1440 	disk_super = dm_block_data(copy);  in __release_metadata_snap()
1441 	dm_btree_del(&pmd->info, le64_to_cpu(disk_super->data_mapping_root));  in __release_metadata_snap()
1442 	dm_btree_del(&pmd->details_info, le64_to_cpu(disk_super->device_details_root));  in __release_metadata_snap()
1466 	struct thin_disk_superblock *disk_super;  in __get_metadata_snap()  local
1474 	disk_super = dm_block_data(sblock);  in __get_metadata_snap()
1475 	*result = le64_to_cpu(disk_super->held_root);  in __get_metadata_snap()
2120 	struct thin_disk_superblock *disk_super;  in dm_pool_metadata_set_needs_check()  local
2134 	disk_super = dm_block_data(sblock);  in dm_pool_metadata_set_needs_check()
2135 	disk_super->flags = cpu_to_le32(pmd->flags);  in dm_pool_metadata_set_needs_check()