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From: Jens Axboe <axboe@kernel.dk>
To: Pavel Begunkov <asml.silence@gmail.com>,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 0/5] cache request_queue pointer
Date: Sun, 17 Oct 2021 06:59:22 -0600	[thread overview]
Message-ID: <dba463cb-3f1e-0972-aeaf-099d7c12bd0e@kernel.dk> (raw)
In-Reply-To: <cover.1634219547.git.asml.silence@gmail.com>

On 10/14/21 8:03 AM, Pavel Begunkov wrote:
> Cache request_queue in bdev and replace two derefs in
> bdev->bd_disk->queue with bdev->bd_queue. Benchmarking
> with nullblk gave me around +1% to peak perf.
> 
> All patches are self contained and don't rely on others from
> the set including 1/5 and can be taken separately. And some
> changes go in separate patches to minimise conflicts. When
> we agree on the approach, I'll send the rest converting some
> other spots out of block.

Looks fine to me. Christoph, any concerns?

One note, though - s/fater/faster in patches 2..5 in the commit
message.

-- 
Jens Axboe


  parent reply	other threads:[~2021-10-17 12:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-14 14:03 [PATCH 0/5] cache request_queue pointer Pavel Begunkov
2021-10-14 14:03 ` [PATCH 1/5] block: cache request queue in bdev Pavel Begunkov
2021-10-14 14:03 ` [PATCH 2/5] block: use bdev_get_queue() in bdev.c Pavel Begunkov
2021-10-14 14:03 ` [PATCH 3/5] block: use bdev_get_queue() in bio.c Pavel Begunkov
2021-10-14 14:03 ` [PATCH 4/5] block: use bdev_get_queue() in blk-core.c Pavel Begunkov
2021-10-14 14:03 ` [PATCH 5/5] block: convert the rest of block to bdev_get_queue Pavel Begunkov
2021-10-17 12:59 ` Jens Axboe [this message]
2021-10-17 22:41   ` [PATCH 0/5] cache request_queue pointer Pavel Begunkov
2021-10-18  8:20   ` Christoph Hellwig

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