IBLOCK            206 kernel/fs.c        bp = bread(dev, IBLOCK(inum, sb));
IBLOCK            231 kernel/fs.c      bp = bread(ip->dev, IBLOCK(ip->inum, sb));
IBLOCK            304 kernel/fs.c        bp = bread(ip->dev, IBLOCK(ip->inum, sb));
IBLOCK            193 mkfs/mkfs.c      bn = IBLOCK(inum, sb);
IBLOCK            207 mkfs/mkfs.c      bn = IBLOCK(inum, sb);