fragnum
fragnum(&sblock, blk) + cnt > sblock.fs_frag) {
(long)blk, fragnum(&sblock, blk), cnt);
fragnum(fs, bno) + numfrags(fs, size) > fs->fs_frag) {
bbase = bno - fragnum(fs, bno);
bbase = fragnum(fs, bprev);
if (bbase > fragnum(fs, (bprev + frags - 1))) {
if (fragnum(fs, blkno) + numfrags(fs, size) > fs->fs_frag)
fragnum(fs, bno) + numfrags(fs, size) > fs->fs_frag) {
bbase = cgbno - fragnum(fs, cgbno);
fragnum(&sblock, sblock.fs_size) +
(fragnum(&sblock, csfrags) > 0 ?
sblock.fs_frag - fragnum(&sblock, csfrags) : 0);