Message ID | 1449055626-14439-1-git-send-email-raghavendra.kt@linux.vnet.ibm.com (mailing list archive) |
---|---|
State | Accepted, archived |
Delegated to: | Jens Axboe |
Headers | show |
Looks good,
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
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On 12/02/2015 04:27 AM, Raghavendra K T wrote: > hctx->cpumask is already populated and let the tag cpumask follow that > instead of going through a new for loop. Applied for 4.5, thanks.
diff --git a/block/blk-mq.c b/block/blk-mq.c index 6d6f8fe..6ada3b4 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1854,6 +1854,7 @@ static void blk_mq_map_swqueue(struct request_queue *q, hctx->tags = set->tags[i]; WARN_ON(!hctx->tags); + cpumask_copy(hctx->tags->cpumask, hctx->cpumask); /* * Set the map size to the number of mapped software queues. * This is more accurate and more efficient than looping @@ -1867,14 +1868,6 @@ static void blk_mq_map_swqueue(struct request_queue *q, hctx->next_cpu = cpumask_first(hctx->cpumask); hctx->next_cpu_batch = BLK_MQ_CPU_WORK_BATCH; } - - queue_for_each_ctx(q, ctx, i) { - if (!cpumask_test_cpu(i, online_mask)) - continue; - - hctx = q->mq_ops->map_queue(q, i); - cpumask_set_cpu(i, hctx->tags->cpumask); - } } static void queue_set_hctx_shared(struct request_queue *q, bool shared)
hctx->cpumask is already populated and let the tag cpumask follow that instead of going through a new for loop. Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> --- block/blk-mq.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) Nish had suggested to put cpumask_copy after WARN_ON (instead of before).