linux-nvme.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Sagi Grimberg <sagi@grimberg.me>,
	Chaitanya Kulkarni <chaitanyak@nvidia.com>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Cc: "kbusch@kernel.org" <kbusch@kernel.org>,
	"axboe@kernel.dk" <axboe@kernel.dk>, "ch@lst.de" <ch@lst.de>
Subject: Re: [RFC PATCH] nvme-core: add helper to get nvme_ctrl from device
Date: Wed, 17 May 2023 07:55:46 +0000	[thread overview]
Message-ID: <4c52ac51-73fd-97c5-4bfc-7e897dc9e73a@nvidia.com> (raw)
In-Reply-To: <0b182e1b-e267-81da-dbda-95ea04ade338@grimberg.me>

Hi Sagi,

On 5/17/23 00:12, Sagi Grimberg wrote:
>
>> Just like we have other helpers to_nvmet_port(), to_nvmet_ns(),
>> ana_groups_to_port() and to_nvmet_ns(), add a helper to get nvme_ctr
>> from struct device.
>
> I don't think this is very useful.

it's the same pattern we have used everywhere in the nvme code,
I did not invent anything new here ...

>> Note that this removes the bunch of nvme_ctrl declaration code that is
>> needed to get the nvme_ctrl from struct device in the host/core.c.
>> Followwing is the diff :-
>
> It doesn't make it easier on my eyes...
>

I failed to understand how this is different from examples mentioned above
which are part of existing code reducing ~20 lines in current code and
future code for a variable declaration that is only accessed once ?

-ck

[1] diffstat:-

   drivers/nvme/host/core.c | 69 +++++++++++++++-------------------------
   1 file changed, 26 insertions(+), 43 deletions(-)



  reply	other threads:[~2023-05-17  7:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-12  8:22 [RFC PATCH] nvme-core: add helper to get nvme_ctrl from device Chaitanya Kulkarni
2023-05-17  7:12 ` Sagi Grimberg
2023-05-17  7:55   ` Chaitanya Kulkarni [this message]
2023-05-17 10:45     ` Sagi Grimberg

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=4c52ac51-73fd-97c5-4bfc-7e897dc9e73a@nvidia.com \
    --to=chaitanyak@nvidia.com \
    --cc=axboe@kernel.dk \
    --cc=ch@lst.de \
    --cc=kbusch@kernel.org \
    --cc=linux-nvme@lists.infradead.org \
    --cc=sagi@grimberg.me \
    /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;
as well as URLs for NNTP newsgroup(s).