nestiobuf_setup
nestiobuf_setup(bp, nestbuf, start - buf_start,
nestiobuf_setup(bp, nestbuf, 0, bp->b_bcount);
nestiobuf_setup(bp, nestbuf, blkoff, issue_blks * DEV_BSIZE);
nestiobuf_setup(mbp, bp, offset, len);
nestiobuf_setup(bp, nbp, offset, sz);
nestiobuf_setup(bp, nbp, buf_offset, blocksize);
nestiobuf_setup(buf, nestbuf, buf_offset, piece * sector_size);
nestiobuf_setup(buf, nestbuf, buf_offset, piece * sector_size);
nestiobuf_setup(buf, nestbuf, buf_offset, rbuflen);
nestiobuf_setup(buf, nestbuf, i * sector_size,
nestiobuf_setup(buf, nestbuf, buf_offset, rbuflen);
nestiobuf_setup(buf, nestbuf, buf_offset, rbuflen);
nestiobuf_setup(mbp, bp, offset - startoffset, iobytes);
nestiobuf_setup(mbp, bp, offset - startoffset, iobytes);
void nestiobuf_setup(buf_t *, buf_t *, int, size_t);
nestiobuf_setup(mbp, bp, offset - pg->offset, iobytes);
nestiobuf_setup(bp, nbp, offset, sz);