B_RAM
} else if ((bp->b_flags & B_RAM) == 0) {
bp->b_flags &= ~B_RAM;
rbp->b_flags |= B_RAM;
bp->b_flags |= B_RAM;
rbp->b_flags |= B_ASYNC | B_RAM;
tbp->b_flags |= B_ASYNC | B_RAM;
tbp->b_flags |= B_RAM;