B_FAILONDIS
if (bio->bio_buf->b_flags & B_FAILONDIS) {
(tag->bio->bio_buf->b_flags & B_FAILONDIS) == 0) {
bp2->b_flags |= B_FAILONDIS;
bp1->b_flags |= B_FAILONDIS;
bp->b_flags |= B_FAILONDIS;
bp->b_flags |= B_FAILONDIS;
bp->b_flags |= B_FAILONDIS;
bp->b_flags |= B_FAILONDIS;
bp->b_flags |= B_FAILONDIS;
bp->b_flags |= B_FAILONDIS;