SBLOCK_UFS1
sblk.b_bno = SBLOCK_UFS1 / dev_bsize;
fs->fs_sblockloc = SBLOCK_UFS1;
sblock.fs_sblockloc = SBLOCK_UFS1;
#define SBLOCKOFFSET SBLOCK_UFS1
{ SBLOCK_UFS2, SBLOCK_UFS1, SBLOCK_FLOPPY, SBLOCK_PIGGY, -1 }
struct fs *fs = (struct fs *)((char *)base + SBLOCK_UFS1);
fs->fs_sblockloc = SBLOCK_UFS1;
if ((sblock != SBLOCK_UFS1) || ISOPT(opt_alt_super))
if (!printold || fs->fs_sblockloc != SBLOCK_UFS1 ||
fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg;
sblock.fs_sblockloc = SBLOCK_UFS1;
sblock.fs_sblockloc = SBLOCK_UFS1;
rval = pread(fd, sblk.buf, sizeof sblk.buf, SBLOCK_UFS1);
if (*sbp == SBLOCK_UFS1)