58 	struct erofs_super_block *dsb;  in erofs_superblock_csum_verify()  local
64 	dsb = kmemdup(sbdata + EROFS_SUPER_OFFSET, len, GFP_KERNEL);  in erofs_superblock_csum_verify()
65 	if (!dsb)  in erofs_superblock_csum_verify()
68 	expected_crc = le32_to_cpu(dsb->checksum);  in erofs_superblock_csum_verify()
69 	dsb->checksum = 0;  in erofs_superblock_csum_verify()
71 	crc = crc32c(~0, dsb, len);  in erofs_superblock_csum_verify()
72 	kfree(dsb);  in erofs_superblock_csum_verify()
149 			      struct erofs_super_block *dsb)  in z_erofs_parse_cfgs()  argument
151 	if (!dsb->u1.available_compr_algs)  in z_erofs_parse_cfgs()
212 			      struct erofs_super_block *dsb)  in erofs_scan_devices()  argument
225 		ondisk_extradevs = le16_to_cpu(dsb->extra_devices);  in erofs_scan_devices()
240 	pos = le16_to_cpu(dsb->devt_slotoff) * EROFS_DEVT_SLOT_SIZE;  in erofs_scan_devices()
277 	struct erofs_super_block *dsb;  in erofs_read_superblock()  local
287 	dsb = (struct erofs_super_block *)(data + EROFS_SUPER_OFFSET);  in erofs_read_superblock()
289 	if (le32_to_cpu(dsb->magic) != EROFS_SUPER_MAGIC_V1) {  in erofs_read_superblock()
294 	sbi->blkszbits  = dsb->blkszbits;  in erofs_read_superblock()
299 	if (dsb->dirblkbits) {  in erofs_read_superblock()
300 		erofs_err(sb, "dirblkbits %u isn't supported", dsb->dirblkbits);  in erofs_read_superblock()
304 	sbi->feature_compat = le32_to_cpu(dsb->feature_compat);  in erofs_read_superblock()
312 	sbi->feature_incompat = le32_to_cpu(dsb->feature_incompat);  in erofs_read_superblock()
319 	sbi->sb_size = 128 + dsb->sb_extslots * EROFS_SB_EXTSLOT_SIZE;  in erofs_read_superblock()
325 	sbi->primarydevice_blocks = le32_to_cpu(dsb->blocks);  in erofs_read_superblock()
326 	sbi->meta_blkaddr = le32_to_cpu(dsb->meta_blkaddr);  in erofs_read_superblock()
328 	sbi->xattr_blkaddr = le32_to_cpu(dsb->xattr_blkaddr);  in erofs_read_superblock()
329 	sbi->xattr_prefix_start = le32_to_cpu(dsb->xattr_prefix_start);  in erofs_read_superblock()
330 	sbi->xattr_prefix_count = dsb->xattr_prefix_count;  in erofs_read_superblock()
331 	sbi->xattr_filter_reserved = dsb->xattr_filter_reserved;  in erofs_read_superblock()
334 	sbi->root_nid = le16_to_cpu(dsb->root_nid);  in erofs_read_superblock()
335 	sbi->packed_nid = le64_to_cpu(dsb->packed_nid);  in erofs_read_superblock()
336 	sbi->inos = le64_to_cpu(dsb->inos);  in erofs_read_superblock()
338 	sbi->build_time = le64_to_cpu(dsb->build_time);  in erofs_read_superblock()
339 	sbi->build_time_nsec = le32_to_cpu(dsb->build_time_nsec);  in erofs_read_superblock()
341 	super_set_uuid(sb, (void *)dsb->uuid, sizeof(dsb->uuid));  in erofs_read_superblock()
343 	ret = strscpy(sbi->volume_name, dsb->volume_name,  in erofs_read_superblock()
344 		      sizeof(dsb->volume_name));  in erofs_read_superblock()
352 	ret = z_erofs_parse_cfgs(sb, dsb);  in erofs_read_superblock()
357 	ret = erofs_scan_devices(sb, dsb);  in erofs_read_superblock()