cgdmin
#define cgdata(fs, c) (cgdmin(fs, c) + (fs)->fs_metaspace) /* data zone */
#define cgmeta(fs, c) (cgdmin(fs, c)) /* meta data */
if (blk < cgdmin(&sblock, c)) {
sblock.fs_ncg * (cgdmin(&sblock, 0) - cgsblock(&sblock, 0));
cgd = cgdmin(&sblock, c);
ibpcl = cgdmin(&sblock, i) - cgbase(&sblock, i);
cgdmin(&sblock, i) - cgbase(&sblock, i) / sblock.fs_frag,
cgdmin(&sblock, j) - cgbase(&sblock, j) > i) {
(cgdmin(&sblock, j) - cgbase(&sblock, j)) / sblock.fs_frag,
sblock.fs_csaddr = cgdmin(&sblock, 0);
dupper = cgdmin(&sblock, cylno) - cbase;
dmin = cgdmin(&sblock, 0);
(bn >= cgsblock(ip->i_fs, c) && bn < cgdmin(ip->i_fs, c)+sum) ||