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Commit 61f0c1dc authored by Jens Axboe's avatar Jens Axboe
Browse files

cfq-iosched: use assigned slice sync value, not default 



We should use the sysfs modified slice sync value, in case it differs
from the default.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 963b72fc

block/cfq-iosched.c

+4 −3
Original line number Diff line number Diff line
@@ -1348,12 +1348,13 @@ static int cfq_dispatch_requests(struct request_queue *q, int force) 
		/*

		 * must wait a bit longer

		 */

		if (last_sync < cfq_slice_sync) {

			cfq_schedule_dispatch(cfqd, cfq_slice_sync - last_sync);

		if (last_sync < cfqd->cfq_slice[1]) {

			cfq_schedule_dispatch(cfqd,

						cfqd->cfq_slice[1] - last_sync);

			return 0;

		}



		depth = last_sync / cfq_slice_sync;

		depth = last_sync / cfqd->cfq_slice[1];

		if (depth < max_dispatch)

			max_dispatch = depth;

	}