#define BFQQ_SEEK_THR (sector_t)(8 * 100)
#define BFQQ_SECT_THR_NONROT (sector_t)(2 * 32)
+#define BFQ_RQ_SEEKY(bfqd, last_pos, rq) \
+ (get_sdist(last_pos, rq) > \
+ BFQQ_SEEK_THR && \
+ (!blk_queue_nonrot(bfqd->queue) || \
+ blk_rq_sectors(rq) < BFQQ_SECT_THR_NONROT))
#define BFQQ_CLOSE_THR (sector_t)(8 * 1024)
#define BFQQ_SEEKY(bfqq) (hweight32(bfqq->seek_history) > 19)
if ((bfqd->rq_in_driver > 0 ||
now_ns - bfqd->last_completion < BFQ_MIN_TT)
- && get_sdist(bfqd->last_position, rq) < BFQQ_SEEK_THR)
+ && !BFQ_RQ_SEEKY(bfqd, bfqd->last_position, rq))
bfqd->sequential_samples++;
bfqd->tot_sectors_dispatched += blk_rq_sectors(rq);
struct request *rq)
{
bfqq->seek_history <<= 1;
- bfqq->seek_history |=
- get_sdist(bfqq->last_request_pos, rq) > BFQQ_SEEK_THR &&
- (!blk_queue_nonrot(bfqd->queue) ||
- blk_rq_sectors(rq) < BFQQ_SECT_THR_NONROT);
+ bfqq->seek_history |= BFQ_RQ_SEEKY(bfqd, bfqq->last_request_pos, rq);
}
static void bfq_update_has_short_ttime(struct bfq_data *bfqd,