From: Matthew Wilcox <willy@linux.intel.com>
To: "Matias Bjørling" <m@bjorling.me>
Cc: axboe@kernel.dk, linux-kernel@vger.kernel.org,
linux-nvme@lists.infradead.org
Subject: Re: [PATCH RFC 0/2] Convert from bio-based to blk-mq
Date: Tue, 8 Oct 2013 09:10:36 -0400 [thread overview]
Message-ID: <20131008131036.GC7422@linux.intel.com> (raw)
In-Reply-To: <1381224862-5299-1-git-send-email-m@bjorling.me>
On Tue, Oct 08, 2013 at 11:34:20AM +0200, Matias Bjørling wrote:
> The nvme driver implements itself as a bio-based driver. This primarily because
> of high lock congestion for high-performance nvm devices. To remove the
> congestion, a multi-queue block layer is being implemented.
Um, no. You'll crater performance by adding another memory allocation
(of the struct request). multi-queue is not the solution.
next prev parent reply other threads:[~2013-10-08 13:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 9:34 [PATCH RFC 0/2] Convert from bio-based to blk-mq Matias Bjørling
2013-10-08 9:34 ` [PATCH RFC 1/2] blk-mq: call exit_hctx on hw queue teardown Matias Bjørling
2013-10-08 9:34 ` [PATCH RFC 2/2] NVMe: rfc blk-mq support Matias Bjørling
2013-10-08 20:59 ` Keith Busch
2013-10-09 7:12 ` Matias Bjørling
2013-10-08 13:10 ` Matthew Wilcox [this message]
2013-10-08 13:19 ` [PATCH RFC 0/2] Convert from bio-based to blk-mq Matias Bjørling
2013-10-08 18:39 ` Jens Axboe
2013-10-09 15:48 ` Keith Busch
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