I_BUSY            276 fs.c             while(ip->flags & I_BUSY)
I_BUSY            278 fs.c             ip->flags |= I_BUSY;
I_BUSY            301 fs.c             if(ip == 0 || !(ip->flags & I_BUSY) || ip->ref < 1)
I_BUSY            305 fs.c             ip->flags &= ~I_BUSY;
I_BUSY            323 fs.c               if(ip->flags & I_BUSY)
I_BUSY            325 fs.c               ip->flags |= I_BUSY;