vsb->data = isovsb;
vsb->ops.init_inode = iso9660_init_inode;
vsb->ops.read_capacity = iso9660_rd_capacity;
+ vsb->blksize = ISO9660_BLKSZ;
struct v_inode* rootino = vfs_i_alloc(vsb);
struct iso_var_mdu* mdu = (struct iso_var_mdu*)vprim->root_record;