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skd: Convert explicit skd_request_fn() calls
This will make it easier to convert this driver to the blk-mq approach. This patch also reduces interrupt latency by moving skd_request_fn() calls out of the skd_isr() interrupt. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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3d17a679d3
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1 changed files with 5 additions and 5 deletions
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@ -2806,7 +2806,7 @@ static void skd_completion_worker(struct work_struct *work)
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* process everything in compq
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*/
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skd_isr_completion_posted(skdev, 0, &flush_enqueued);
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skd_request_fn(skdev->queue);
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blk_run_queue_async(skdev->queue);
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spin_unlock_irqrestore(&skdev->lock, flags);
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}
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@ -2882,12 +2882,12 @@ skd_isr(int irq, void *ptr)
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}
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if (unlikely(flush_enqueued))
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skd_request_fn(skdev->queue);
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blk_run_queue_async(skdev->queue);
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if (deferred)
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schedule_work(&skdev->completion_worker);
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else if (!flush_enqueued)
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skd_request_fn(skdev->queue);
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blk_run_queue_async(skdev->queue);
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spin_unlock(&skdev->lock);
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@ -3588,12 +3588,12 @@ static irqreturn_t skd_comp_q(int irq, void *skd_host_data)
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deferred = skd_isr_completion_posted(skdev, skd_isr_comp_limit,
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&flush_enqueued);
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if (flush_enqueued)
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skd_request_fn(skdev->queue);
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blk_run_queue_async(skdev->queue);
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if (deferred)
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schedule_work(&skdev->completion_worker);
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else if (!flush_enqueued)
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skd_request_fn(skdev->queue);
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blk_run_queue_async(skdev->queue);
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spin_unlock_irqrestore(&skdev->lock, flags);
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