cntobn
bn = cntobn(pmp, eofentry);
bp = getblk(pmp->pm_devvp, cntobn(pmp, cn++),
*bnp = cntobn(pmp, cn);
error = bread(pmp->pm_devvp, cntobn(pmp, scn),
bn = cntobn(pmp, cn);
bn = cntobn(pmp, newcluster);
roottobn(pmp, 0) : cntobn(pmp, cn);
roottobn(pmp, 0) : cntobn(pmp, dep->de_dirclust);
: cntobn((pmp), (dirclu)))
bn = cntobn(pmp, eofentry);
de_bn2kb(pmp, cntobn(pmp, cn++)),
*bnp = cntobn(pmp, cn);
DPRINTF(("%s(bn=%lu, cn=%lu)\n", __func__, cntobn(pmp, cn),
bn = cntobn(pmp, cn);
bn = cntobn(pmp, newcluster);
: cntobn((pmp), (dirclu)))