From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>
Cc: dm-devel@redhat.com, linux-bcache@vger.kernel.org,
linux-block@vger.kernel.org
Subject: Re: avoid the ->make_request_fn indirect for blk-mq drivers
Date: Sat, 25 Apr 2020 09:45:34 -0600 [thread overview]
Message-ID: <98cd7aac-e4ee-8de0-e7aa-0d3e1a2b20e0@kernel.dk> (raw)
In-Reply-To: <20200425075336.721021-1-hch@lst.de>
On 4/25/20 1:53 AM, Christoph Hellwig wrote:
> Hi Jens,
>
> this small series avoids an indirect call for every submitted bio that
> eventually ends up being handled by blk-mq drivers. Let me know what
> you think.
I like it, I've been pondering something like this for a bit, but
I like the simplicity of this one and changing it so that only
non-regular make_request_fn is set.
I'll apply this.
--
Jens Axboe
prev parent reply other threads:[~2020-04-25 15:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-25 7:53 avoid the ->make_request_fn indirect for blk-mq drivers Christoph Hellwig
2020-04-25 7:53 ` [PATCH 1/3] bcache: remove a duplicate ->make_request_fn assignment Christoph Hellwig
2020-04-26 9:35 ` Coly Li
2020-04-25 7:53 ` [PATCH 2/3] dm: remove the make_request_fn check in device_area_is_invalid Christoph Hellwig
2020-04-28 18:38 ` Mike Snitzer
2020-04-25 7:53 ` [PATCH 3/3] block: bypass ->make_request_fn for blk-mq drivers Christoph Hellwig
2020-04-28 18:40 ` Mike Snitzer
2020-04-25 15:45 ` Jens Axboe [this message]
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