ext2_hashalloc
bno = (daddr_t)ext2_hashalloc(ip, cg, bpref, fs->e2fs_bsize,
blk = ext2_hashalloc(ip, ino_to_cg(fs, ip->i_number), 0, fs->e2fs_bsize,
if ((newblk = (e2fs_daddr_t)ext2_hashalloc(ip, dtog(fs, pref), pref,
ino = (ino_t)ext2_hashalloc(pip, cg, (long)ipref, mode, ext2_nodealloccg);
static e4fs_daddr_t ext2_hashalloc(struct inode *, int, long, int,