brelsel
brelsel(bp, set);
brelsel(bp, 0);
brelsel(bp, BC_INVAL);
brelsel(bp, BC_INVAL);
brelsel(bp, 0);
brelsel(bp, BC_INVAL | BC_VFLUSH);
brelsel(bp, BC_INVAL | BC_VFLUSH);
brelsel(bp, BC_INVAL | BC_VFLUSH);
brelsel(bp, BC_INVAL | BC_VFLUSH);
brelsel(bp, BC_INVAL);
void brelsel(buf_t *, int);
brelsel(bp, BC_INVAL | BC_VFLUSH);
brelsel(bp, 0);
brelsel(bp, 0);
brelsel(bp, BC_INVAL);
brelsel(bp, BC_INVAL | BC_VFLUSH);
brelsel(bp, BC_INVAL | BC_VFLUSH);
brelsel(bp, 0);
brelsel(bp, (bp->b_flags & B_GATHERED ?