From: Christoph Hellwig <hch@lst.de>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Pavel Begunkov <asml.silence@gmail.com>,
agk@redhat.com, akpm@linux-foundation.org, anuj20.g@samsung.com,
axboe@kernel.dk, bmarzins@redhat.com, brauner@kernel.org,
christian.koenig@amd.com, dm-devel@lists.linux.dev,
dri-devel@lists.freedesktop.org, hch@lst.de,
io-uring@vger.kernel.org, jack@suse.cz, joshi.k@samsung.com,
kbusch@kernel.org, linaro-mm-sig@lists.linaro.org,
linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
linux-nvme@lists.infradead.org, matthew.brost@intel.com,
mpatocka@redhat.com, nj.shetty@samsung.com,
phil.cayton@intel.com, sagi@grimberg.me, snitzer@kernel.org,
sumit.semwal@linaro.org, tushar.gohad@intel.com,
viro@zeniv.linux.org.uk, william.power@intel.com
Subject: Re: [PATCH v7 06/13] nvme-pci: implement dma-buf backed requests
Date: Mon, 5 Oct 2026 11:12:19 +0200 [thread overview]
Message-ID: <20261005091219.GC10727@lst.de> (raw)
In-Reply-To: <5a35ad21-c9d4-4dab-a4f0-97baee6e2301@wanadoo.fr>
On Tue, Sep 29, 2026 at 05:45:39PM +0200, Christophe JAILLET wrote:
>> @@ -27,6 +27,8 @@
>> #include <linux/io-64-nonatomic-lo-hi.h>
>> #include <linux/io-64-nonatomic-hi-lo.h>
>> #include <linux/sed-opal.h>
>> +#include <linux/dma-buf-io.h>
>> +#include <linux/dma-resv.h>
>
> Move up, to keep better alphabetical order ?
Doesn't really matter.
>> +struct nvme_dmabuf_map {
>> + struct dma_buf_io_map base;
>> + struct sg_table *sgt;
>> + unsigned nr_entries;
>> + dma_addr_t dma_list[];
>
> Add __counted_by(nr_entries) and update nvme_dma_buf_io_map() so that
> nr_entries is set at the right time ?
Yeah, that would be useful.
next prev parent reply other threads:[~2026-10-05 9:12 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-28 13:32 [PATCH v7 00/13] Add dmabuf read/write via io_uring Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 01/13] dma-buf: introduce initial file I/O infrastructure Pavel Begunkov
2026-09-29 16:12 ` Christophe JAILLET
2026-09-28 13:32 ` [PATCH v7 02/13] iov_iter: add iterator type for dmabuf maps Pavel Begunkov
2026-10-05 9:10 ` Christoph Hellwig
2026-10-05 11:44 ` Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 03/13] block: always adjust bi_offset on bio_advance_iter Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 04/13] block: introduce dma map backed bio type Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 05/13] block: add dma-buf support for raw bdev Pavel Begunkov
2026-10-05 9:11 ` Christoph Hellwig
2026-10-05 11:43 ` Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 06/13] nvme-pci: implement dma-buf backed requests Pavel Begunkov
2026-09-29 15:45 ` Christophe JAILLET
2026-09-30 10:09 ` Pavel Begunkov
2026-10-05 9:12 ` Christoph Hellwig [this message]
2026-10-05 9:15 ` Christoph Hellwig
2026-10-05 11:45 ` Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 07/13] nvme-pci: rename nvme_pci_sgl_set_data to nvme_pci_dma_iter_set_sgl Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 08/13] nvme-pci: add SGL support for the dmabuf path Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 09/13] io_uring/rsrc: introduce buf registration structure Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 10/13] io_uring/rsrc: extend buffer update Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 11/13] io_uring/rsrc: add uncloneable regbuf flag Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 12/13] io_uring/rsrc: add regbuf import flags Pavel Begunkov
2026-09-28 13:32 ` [PATCH v7 13/13] io_uring/rsrc: add dmabuf backed registered buffers Pavel Begunkov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20261005091219.GC10727@lst.de \
--to=hch@lst.de \
--cc=agk@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=anuj20.g@samsung.com \
--cc=asml.silence@gmail.com \
--cc=axboe@kernel.dk \
--cc=bmarzins@redhat.com \
--cc=brauner@kernel.org \
--cc=christian.koenig@amd.com \
--cc=christophe.jaillet@wanadoo.fr \
--cc=dm-devel@lists.linux.dev \
--cc=dri-devel@lists.freedesktop.org \
--cc=io-uring@vger.kernel.org \
--cc=jack@suse.cz \
--cc=joshi.k@samsung.com \
--cc=kbusch@kernel.org \
--cc=linaro-mm-sig@lists.linaro.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=matthew.brost@intel.com \
--cc=mpatocka@redhat.com \
--cc=nj.shetty@samsung.com \
--cc=phil.cayton@intel.com \
--cc=sagi@grimberg.me \
--cc=snitzer@kernel.org \
--cc=sumit.semwal@linaro.org \
--cc=tushar.gohad@intel.com \
--cc=viro@zeniv.linux.org.uk \
--cc=william.power@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®