cgoverhead
daddr32_t cgoverhead(int); /* overhead per cg */
overh = cgoverhead(c);
n_blks += cgoverhead(i);
static uint cgoverhead(uint);
if (reserved_ngdb >= blocks_lastcg - cgoverhead(ncg - 1))
reserved_ngdb = blocks_lastcg - cgoverhead(ncg - 1);
blocks_lastcg - cgoverhead(cylno);
sblock.e2fs.e2fs_bpg - cgoverhead(cylno);
for (i = 0; i < cgoverhead(cylno) / NBBY; i++)
for (; i < cgoverhead(cylno); i++)
((daddr32_t)sblock.e2fs.e2fs_first_dblock + cgoverhead(0)) *