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From:   Jens Axboe <axboe@kernel.dk>
To:     io-uring@vger.kernel.org, linux-block@vger.kernel.org,
        Ming Lei <ming.lei@redhat.com>
Cc:     linux-kernel@vger.kernel.org, Miklos Szeredi <mszeredi@redhat.com>,
        ZiyangZhang <ZiyangZhang@linux.alibaba.com>,
        Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>,
        Bernd Schubert <bschubert@ddn.com>,
        Pavel Begunkov <asml.silence@gmail.com>,
        Stefan Hajnoczi <stefanha@redhat.com>,
        Dan Williams <dan.j.williams@intel.com>
In-Reply-To: <20230330113630.1388860-1-ming.lei@redhat.com>
References: <20230330113630.1388860-1-ming.lei@redhat.com>
Subject: Re: (subset) [PATCH V6 00/17] io_uring/ublk: add generic
 IORING_OP_FUSED_CMD
Message-Id: <168048502809.419126.16967551210747821991.b4-ty@kernel.dk>
Date:   Sun, 02 Apr 2023 19:23:48 -0600
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
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Precedence: bulk


On Thu, 30 Mar 2023 19:36:13 +0800, Ming Lei wrote:
> Add generic fused command, which can include one primary command and multiple
> secondary requests. This command provides one safe way to share resource between
> primary command and secondary requests, and primary command is always
> completed after all secondary requests are done, and resource lifetime
> is bound with primary command.
> 
> With this way, it is easy to support zero copy for ublk/fuse device, and
> there could be more potential use cases, such as offloading complicated logic
> into userspace, or decouple kernel subsystems.
> 
> [...]

Applied, thanks!

[07/17] block: ublk_drv: add common exit handling
        commit: 903f8aeea9fd1b97fba4ab805ddd639f57f117f8
[08/17] block: ublk_drv: don't consider flush request in map/unmap io
        commit: 23ef8220f287abe5bf741ddfc278e7359742d3b1
[09/17] block: ublk_drv: add two helpers to clean up map/unmap request
        commit: 2f3af723447c35c16f3c6a1b4b317c61dc41d6c3
[10/17] block: ublk_drv: clean up several helpers
        commit: 96cf2f5404c8bc979628a2b495852d735a56c5b5
[11/17] block: ublk_drv: cleanup 'struct ublk_map_data'
        commit: ae9f5ccea4c268a96763e51239b32d6b5172c18c

Best regards,
-- 
Jens Axboe