AMR_BLKSIZE
blkcount = (bp->b_bcount + AMR_BLKSIZE - 1) / AMR_BLKSIZE;
ac->ac_mailbox.mb_lba = bio->bio_offset / AMR_BLKSIZE;
if (((bio->bio_offset / AMR_BLKSIZE) + blkcount) > sc->amr_drive[driveno].al_size) {
(long long)(bio->bio_offset / AMR_BLKSIZE), blkcount,
ac->ac_length = blks * AMR_BLKSIZE;
error = amr_dump_blocks(amr_sc, driveno, offset / AMR_BLKSIZE,
virtual, (int)length / AMR_BLKSIZE);
sc->amrd_drive->al_size / ((1024 * 1024) / AMR_BLKSIZE),
devstat_add_entry(&sc->amrd_stats, "amrd", sc->amrd_unit, AMR_BLKSIZE,
info.d_media_blksize = AMR_BLKSIZE; /* optional */