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[82.132.213.27]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-486eb32e7f5sm12751635f8f.9.2026.09.12.05.57.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 12 Sep 2026 05:57:42 -0700 (PDT) Message-ID: <0c787163-dd07-4389-b9d5-916b8753f388@gmail.com> Date: Sat, 12 Sep 2026 13:57:37 +0100 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 00/16] Add dmabuf read/write via io_uring To: Jens Axboe , Keith Busch , Christoph Hellwig , Sagi Grimberg , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Cc: Alexander Viro , Christian Brauner , Andrew Morton , Sumit Semwal , =?UTF-8?Q?Christian_K=C3=B6nig?= , Nitesh Shetty , Kanchan Joshi , Anuj Gupta , Tushar Gohad , William Power , Phil Cayton , Damien Le Moal , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , Benjamin Marzinski , Vishal Verma , David Sterba , Ilya Dryomov , dm-devel@lists.linux.dev, nvdimm@lists.linux.dev, linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org, Jason Gunthorpe References: <178907372259.484803.15807864431748251506.b4-ty@b4> Content-Language: en-US From: Pavel Begunkov In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/10/26 21:58, Jens Axboe wrote: > On 9/10/26 2:55 PM, Jens Axboe wrote: >> >> On Sat, 01 Aug 2026 16:46:12 +0100, Pavel Begunkov wrote: >>> The patch set allows to register a dmabuf to an io_uring instance for >>> a specified file and use it with io_uring read / write requests. The >>> infrastructure is not tied to io_uring and there could be more users >>> in the future. A similar idea was attempted some years ago by Keith [1] >>> (from where I borrowed a good number of changes). Later it was brough >>> back up to life by Tushar and Vishal. >>> >>> [...] >> >> Applied, thanks! > > Eh no it is not applied, was just looking at the series locally and I > guess it got added to the b4 ty pile. > > I am, however, wondering if we'll see a v6 of this soon? I had some > comments on the nvme dma mapping, that can be improved, but I'd rather > defer that to post getting this included. Working on it -- Pavel Begunkov