Lines Matching refs:dsb
55 struct erofs_super_block *dsb; in erofs_superblock_csum_verify() local
58 dsb = kmemdup(sbdata + EROFS_SUPER_OFFSET, in erofs_superblock_csum_verify()
60 if (!dsb) in erofs_superblock_csum_verify()
63 expected_crc = le32_to_cpu(dsb->checksum); in erofs_superblock_csum_verify()
64 dsb->checksum = 0; in erofs_superblock_csum_verify()
66 crc = crc32c(~0, dsb, EROFS_BLKSIZ - EROFS_SUPER_OFFSET); in erofs_superblock_csum_verify()
67 kfree(dsb); in erofs_superblock_csum_verify()
110 struct erofs_super_block *dsb) in check_layout_compatibility() argument
112 const unsigned int feature = le32_to_cpu(dsb->feature_incompat); in check_layout_compatibility()
163 struct erofs_super_block *dsb) in erofs_load_compr_cfgs() argument
171 sbi->available_compr_algs = le16_to_cpu(dsb->u1.available_compr_algs); in erofs_load_compr_cfgs()
194 ret = z_erofs_load_lz4_config(sb, dsb, data, size); in erofs_load_compr_cfgs()
197 ret = z_erofs_load_lzma_config(sb, dsb, data, size); in erofs_load_compr_cfgs()
212 struct erofs_super_block *dsb) in erofs_load_compr_cfgs() argument
214 if (dsb->u1.available_compr_algs) { in erofs_load_compr_cfgs()
269 struct erofs_super_block *dsb) in erofs_scan_devices() argument
282 ondisk_extradevs = le16_to_cpu(dsb->extra_devices); in erofs_scan_devices()
294 pos = le16_to_cpu(dsb->devt_slotoff) * EROFS_DEVT_SLOT_SIZE; in erofs_scan_devices()
331 struct erofs_super_block *dsb; in erofs_read_superblock() local
343 dsb = (struct erofs_super_block *)(data + EROFS_SUPER_OFFSET); in erofs_read_superblock()
346 if (le32_to_cpu(dsb->magic) != EROFS_SUPER_MAGIC_V1) { in erofs_read_superblock()
351 sbi->feature_compat = le32_to_cpu(dsb->feature_compat); in erofs_read_superblock()
359 blkszbits = dsb->blkszbits; in erofs_read_superblock()
367 if (!check_layout_compatibility(sb, dsb)) in erofs_read_superblock()
370 sbi->sb_size = 128 + dsb->sb_extslots * EROFS_SB_EXTSLOT_SIZE; in erofs_read_superblock()
376 sbi->primarydevice_blocks = le32_to_cpu(dsb->blocks); in erofs_read_superblock()
377 sbi->meta_blkaddr = le32_to_cpu(dsb->meta_blkaddr); in erofs_read_superblock()
379 sbi->xattr_blkaddr = le32_to_cpu(dsb->xattr_blkaddr); in erofs_read_superblock()
382 sbi->root_nid = le16_to_cpu(dsb->root_nid); in erofs_read_superblock()
385 if (erofs_sb_has_fragments(sbi) && dsb->packed_nid) { in erofs_read_superblock()
387 erofs_iget(sb, le64_to_cpu(dsb->packed_nid)); in erofs_read_superblock()
394 sbi->inos = le64_to_cpu(dsb->inos); in erofs_read_superblock()
396 sbi->build_time = le64_to_cpu(dsb->build_time); in erofs_read_superblock()
397 sbi->build_time_nsec = le32_to_cpu(dsb->build_time_nsec); in erofs_read_superblock()
399 memcpy(&sb->s_uuid, dsb->uuid, sizeof(dsb->uuid)); in erofs_read_superblock()
401 ret = strscpy(sbi->volume_name, dsb->volume_name, in erofs_read_superblock()
402 sizeof(dsb->volume_name)); in erofs_read_superblock()
411 ret = erofs_load_compr_cfgs(sb, dsb); in erofs_read_superblock()
413 ret = z_erofs_load_lz4_config(sb, dsb, NULL, 0); in erofs_read_superblock()
418 ret = erofs_scan_devices(sb, dsb); in erofs_read_superblock()