for (blksize = 0x200; blksize <= OCFS2_MAX_BLOCKSIZE; blksize <<= 1) {
buf = volume_id_get_buffer(id, off + OCFS2_SUPER_BLOCK_BLKNO * blksize, 0x200);
for (blksize = 0x200; blksize <= OCFS2_MAX_BLOCKSIZE; blksize <<= 1) {
buf = volume_id_get_buffer(id, off + OCFS2_SUPER_BLOCK_BLKNO * blksize, 0x200);