lfragtosize
size = lfragtosize(&sblock, idesc->id_numfrags);
lfragtosize(&sblock, end - start + 1));
lfragtosize(&sblock, end - start + 1));
size = lfragtosize(fs, frags);
if (snapblkfree(fs, bno, lfragtosize(fs, frags), ino,
error = UFS_BALLOC(vp, lfragtosize(fs, cgtod(fs, cg)),
error = UFS_BALLOC(vp, lfragtosize(fs, cgtod(fs, cg)),
error = UFS_BALLOC(vp, lfragtosize(fs, cgtod(fs, cg)),
bsize = lfragtosize(fs, freework->fw_frags);