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From: Jens Axboe <axboe@kernel.dk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	io-uring <io-uring@vger.kernel.org>
Subject: Re: [GIT PULL] Passthrough updates for 6.1-rc1
Date: Tue, 4 Oct 2022 16:10:38 -0600	[thread overview]
Message-ID: <d7d4befa-bfff-e01f-817c-03158528e46e@kernel.dk> (raw)
In-Reply-To: <dcefcabc-db87-f285-ddce-ad8db26feb2e@kernel.dk>

On 10/3/22 1:40 PM, Jens Axboe wrote:
> Hi Linus,
> 
> On top of the block and io_uring branches, here are a set of updates for
> the passthrough support that was merged in the 6.0 kernel. With these
> changes, passthrough NVMe support over io_uring now performs at the same
> level as block device O_DIRECT, and in many cases 6-8% better. This pull
> request contains:
> 
> - Add support for fixed buffers for passthrough (Anuj, Kanchan)
> 
> - Enable batched allocations and freeing on passthrough, similarly to
>   what we support on the normal storage path (me)
> 
> Please pull!

Geert noticed that there was an issue if io_uring wasn't configured,
there's been a patch added for that. I'll send a v2 of this pull request.

-- 
Jens Axboe



  reply	other threads:[~2022-10-04 22:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-03 19:40 [GIT PULL] Passthrough updates for 6.1-rc1 Jens Axboe
2022-10-04 22:10 ` Jens Axboe [this message]
2022-10-07 17:00 ` pr-tracker-bot

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