altsblock.fs_rotdelay = sblock.fs_rotdelay;
altsblock.fs_maxbpg = sblock.fs_maxbpg;
bcopy((char *)sblock.fs_csp, (char *)altsblock.fs_csp,
altsblock.fs_rotdelay = sblock.fs_rotdelay;
altsblock.fs_maxbpg = sblock.fs_maxbpg;
bcopy((char *)sblock.fs_csp, (char *)altsblock.fs_csp,