All of lore.kernel.org
 help / color / mirror / Atom feed
From: Jens Axboe <axboe@kernel.dk>
To: "hch@lst.de" <hch@lst.de>
Cc: Clay Mayers <Clay.Mayers@kioxia.com>,
	Kanchan Joshi <joshi.k@samsung.com>,
	"io-uring@vger.kernel.org" <io-uring@vger.kernel.org>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	"asml.silence@gmail.com" <asml.silence@gmail.com>,
	"ming.lei@redhat.com" <ming.lei@redhat.com>,
	"mcgrof@kernel.org" <mcgrof@kernel.org>,
	"shr@fb.com" <shr@fb.com>,
	"joshiiitr@gmail.com" <joshiiitr@gmail.com>,
	"anuj20.g@samsung.com" <anuj20.g@samsung.com>,
	"gost.dev@samsung.com" <gost.dev@samsung.com>
Subject: Re: [PATCH v4 3/5] nvme: refactor nvme_submit_user_cmd()
Date: Thu, 5 May 2022 14:44:40 -0600	[thread overview]
Message-ID: <06a03ddf-215a-b558-4ff6-bae46c33d51d@kernel.dk> (raw)
In-Reply-To: <20220505195039.GA7032@lst.de>

On 5/5/22 1:50 PM, hch@lst.de wrote:
> On Thu, May 05, 2022 at 01:31:28PM -0600, Jens Axboe wrote:
>>>> Jens Axboe
>>>
>>> This does work and got me past the null ptr segfault.
>>
>> OK good, thanks for testing. I did fold it in.
> 
> It might make sense to just kill nvme_meta_from_bio and pass the
> meta pointer directly with this version of the code.

Do you want to do an incremental for that? Looking at
nvme_execute_user_rq() and nvme_uring_task_cb() there's a fair bit of
duplication of the meta copy.

-- 
Jens Axboe


  reply	other threads:[~2022-05-05 20:44 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20220505061142epcas5p2c943572766bfd5088138fe0f7873c96c@epcas5p2.samsung.com>
2022-05-05  6:06 ` [PATCH v4 0/5] io_uring passthrough for nvme Kanchan Joshi
     [not found]   ` <CGME20220505061144epcas5p3821a9516dad2b5eff5a25c56dbe164df@epcas5p3.samsung.com>
2022-05-05  6:06     ` [PATCH v4 1/5] fs,io_uring: add infrastructure for uring-cmd Kanchan Joshi
2022-05-05 12:52       ` Jens Axboe
2022-05-05 13:48         ` Ming Lei
2022-05-05 13:54           ` Jens Axboe
2022-05-05 13:29       ` Christoph Hellwig
2022-05-05 16:17       ` Jens Axboe
2022-05-05 17:04         ` Jens Axboe
2022-05-06  7:12         ` Kanchan Joshi
2022-05-10 14:23         ` Kanchan Joshi
2022-05-10 14:35           ` Jens Axboe
     [not found]   ` <CGME20220505061146epcas5p3919c48d58d353a62a5858ee10ad162a0@epcas5p3.samsung.com>
2022-05-05  6:06     ` [PATCH v4 2/5] block: wire-up support for passthrough plugging Kanchan Joshi
2022-05-05 14:21       ` Ming Lei
     [not found]   ` <CGME20220505061148epcas5p188618b5b15a95cbe48c8c1559a18c994@epcas5p1.samsung.com>
2022-05-05  6:06     ` [PATCH v4 3/5] nvme: refactor nvme_submit_user_cmd() Kanchan Joshi
2022-05-05 13:30       ` Christoph Hellwig
2022-05-05 18:37       ` Clay Mayers
2022-05-05 19:03         ` Jens Axboe
2022-05-05 19:11           ` Jens Axboe
2022-05-05 19:30             ` Clay Mayers
2022-05-05 19:31               ` Jens Axboe
2022-05-05 19:50                 ` hch
2022-05-05 20:44                   ` Jens Axboe [this message]
2022-05-06  5:56                     ` hch
     [not found]   ` <CGME20220505061150epcas5p2b60880c541a4b2f144c348834c7cbf0b@epcas5p2.samsung.com>
2022-05-05  6:06     ` [PATCH v4 4/5] nvme: wire-up uring-cmd support for io-passthru on char-device Kanchan Joshi
2022-05-05 13:33       ` Christoph Hellwig
2022-05-05 13:38       ` Jens Axboe
2022-05-05 13:42         ` Christoph Hellwig
2022-05-05 13:50           ` Jens Axboe
2022-05-05 17:23             ` Jens Axboe
2022-05-06  8:28               ` Christoph Hellwig
2022-05-06 13:37                 ` Jens Axboe
2022-05-06 14:50                   ` Christoph Hellwig
2022-05-06 14:57                     ` Jens Axboe
2022-05-07  5:03                       ` Christoph Hellwig
2022-05-07 12:53                         ` Jens Axboe
2022-05-09  6:00                           ` Christoph Hellwig
2022-05-09 12:52                             ` Jens Axboe
     [not found]   ` <CGME20220505061151epcas5p2523dc661a0daf3e6185dee771eade393@epcas5p2.samsung.com>
2022-05-05  6:06     ` [PATCH v4 5/5] nvme: add vectored-io support for uring-cmd Kanchan Joshi
2022-05-05 18:20   ` [PATCH v4 0/5] io_uring passthrough for nvme Jens Axboe
2022-05-05 18:29     ` Jens Axboe
2022-05-06  6:42       ` Kanchan Joshi
2022-05-06 13:14         ` Jens Axboe
2022-05-10  7:20     ` Christoph Hellwig
2022-05-10 12:29       ` Jens Axboe
2022-05-10 14:21         ` Kanchan Joshi

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=06a03ddf-215a-b558-4ff6-bae46c33d51d@kernel.dk \
    --to=axboe@kernel.dk \
    --cc=Clay.Mayers@kioxia.com \
    --cc=anuj20.g@samsung.com \
    --cc=asml.silence@gmail.com \
    --cc=gost.dev@samsung.com \
    --cc=hch@lst.de \
    --cc=io-uring@vger.kernel.org \
    --cc=joshi.k@samsung.com \
    --cc=joshiiitr@gmail.com \
    --cc=linux-nvme@lists.infradead.org \
    --cc=mcgrof@kernel.org \
    --cc=ming.lei@redhat.com \
    --cc=shr@fb.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.