Re: [PATCH] blk-mq: allow 4x BLK_MAX_REQUEST_COUNT at blk_plug for multiple_queues

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On 9/7/21 5:03 PM, Song Liu wrote:
> Limiting number of request to BLK_MAX_REQUEST_COUNT at blk_plug hurts
> performance for large md arrays. [1] shows resync speed of md array drops
> for md array with more than 16 HDDs.
> 
> Fix this by allowing more request at plug queue. The multiple_queue flag
> is used to only apply higher limit to multiple queue cases.

Applied, thanks.

-- 
Jens Axboe




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