From: Kanchan Joshi <joshiiitr@gmail.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: Kanchan Joshi <joshi.k@samsung.com>,
Christoph Hellwig <hch@lst.de>, Keith Busch <kbusch@kernel.org>,
Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>,
io-uring@vger.kernel.org, linux-nvme@lists.infradead.org,
anuj20.g@samsung.com, Javier Gonzalez <javier.gonz@samsung.com>,
Nitesh Shetty <nj.shetty@samsung.com>,
Selvakumar S <selvakuma.s1@samsung.com>
Subject: Re: [RFC PATCH v3 0/3] Async nvme passthrough over io_uring
Date: Wed, 17 Mar 2021 15:01:47 +0530 [thread overview]
Message-ID: <CA+1E3rLOOaggA0p5wr5ndTWx42zjebCeEm5XzfOq7QcH6oP=wA@mail.gmail.com> (raw)
In-Reply-To: <b5476c77-813a-6416-d317-38e8537b83cb@kernel.dk>
On Tue, Mar 16, 2021 at 9:31 PM Jens Axboe <axboe@kernel.dk> wrote:
>
> On 3/16/21 8:01 AM, Kanchan Joshi wrote:
> > This series adds async passthrough capability for nvme block-dev over
> > iouring_cmd. The patches are on top of Jens uring-cmd branch:
> > https://git.kernel.dk/cgit/linux-block/log/?h=io_uring-fops.v3
> >
> > Application is expected to allocate passthrough command structure, set
> > it up traditionally, and pass its address via "block_uring_cmd->addr".
> > On completion, CQE is posted with completion-status after any ioctl
> > specific buffer/field update.
>
> Do you have a test app? I'd be curious to try and add support for this
> to t/io_uring from fio just to run some perf numbers.
Yes Jens. Need to do a couple of things to make it public, will post it today.
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next prev parent reply other threads:[~2021-03-17 9:32 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210316140229epcas5p23d68a4c9694bbf7759b5901115a4309b@epcas5p2.samsung.com>
2021-03-16 14:01 ` [RFC PATCH v3 0/3] Async nvme passthrough over io_uring Kanchan Joshi
[not found] ` <CGME20210316140233epcas5p372405e7cb302c61dba5e1094fa796513@epcas5p3.samsung.com>
2021-03-16 14:01 ` [RFC PATCH v3 1/3] io_uring: add helper for uring_cmd completion in submitter-task Kanchan Joshi
2021-03-16 15:43 ` Stefan Metzmacher
2021-03-18 1:57 ` Jens Axboe
2021-03-18 5:25 ` Kanchan Joshi
2021-03-18 5:48 ` Christoph Hellwig
2021-03-18 6:14 ` Kanchan Joshi
[not found] ` <CGME20210316140236epcas5p4de087ee51a862402146fbbc621d4d4c6@epcas5p4.samsung.com>
2021-03-16 14:01 ` [RFC PATCH v3 2/3] nvme: keep nvme_command instead of pointer to it Kanchan Joshi
2021-03-16 17:16 ` Keith Busch
2021-03-17 9:38 ` Kanchan Joshi
2021-03-17 14:17 ` Keith Busch
[not found] ` <CGME20210316140240epcas5p3e71bfe2afecd728c5af60056f21cc9b7@epcas5p3.samsung.com>
2021-03-16 14:01 ` [RFC PATCH v3 3/3] nvme: wire up support for async passthrough Kanchan Joshi
2021-03-17 8:52 ` Christoph Hellwig
2021-03-17 16:49 ` Jens Axboe
2021-03-17 16:59 ` Christoph Hellwig
2021-03-17 17:21 ` Jens Axboe
2021-03-17 18:59 ` Jens Axboe
2021-03-18 5:54 ` Kanchan Joshi
2021-03-17 16:45 ` Keith Busch
2021-03-17 17:02 ` Christoph Hellwig
2021-03-16 15:51 ` [RFC PATCH v3 0/3] Async nvme passthrough over io_uring Jens Axboe
2021-03-17 9:31 ` Kanchan Joshi [this message]
2021-03-18 1:58 ` Jens Axboe
2021-03-18 7:47 ` Kanchan Joshi
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