Lines Matching refs:pb
55 struct bio_vec pb, nb;
66 bio_get_first_bvec(prev_rq->bio, &pb);
68 bio_get_first_bvec(prev, &pb);
69 if (pb.bv_offset & queue_virt_boundary(q))
76 * - if 'pb' ends aligned, the merged segment ends aligned
77 * - if 'pb' ends unaligned, the next bio must include
79 * merge with 'pb'
81 bio_get_last_bvec(prev, &pb);
83 if (biovec_phys_mergeable(q, &pb, &nb))
85 return __bvec_gap_to_prev(&q->limits, &pb, nb.bv_offset);