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block, bfq: fix operator in BFQQ_TOTALLY_SEEKY

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By mistake, there is a '&' instead of a '==' in the definition of the
macro BFQQ_TOTALLY_SEEKY. This commit replaces the wrong operator with
the correct one.

Fixes: 7074f076ff ("block, bfq: do not tag totally seeky queues as soft rt")
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Paolo Valente 2019-06-22 22:44:16 +02:00 committed by Jens Axboe
parent 60c112b0ad
commit e6feaf215f
1 changed files with 1 additions and 1 deletions
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block/bfq-iosched.c
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@ -240,7 +240,7 @@ static struct kmem_cache *bfq_pool;
* containing only random (seeky) I/O are prevented from being tagged * containing only random (seeky) I/O are prevented from being tagged
* as soft real-time. * as soft real-time.
*/ */
#define BFQQ_TOTALLY_SEEKY(bfqq) (bfqq->seek_history & -1) #define BFQQ_TOTALLY_SEEKY(bfqq) (bfqq->seek_history == -1)
/* Min number of samples required to perform peak-rate update */ /* Min number of samples required to perform peak-rate update */
#define BFQ_RATE_MIN_SAMPLES 32 #define BFQ_RATE_MIN_SAMPLES 32