bvec_split_segs   264 block/blk-merge.c 		} else if (bvec_split_segs(q, &bv, &nsegs, &sectors, max_segs,
bvec_split_segs   376 block/blk-merge.c 		bvec_split_segs(rq->q, &bv, &nr_phys_segs, &nr_sectors,