From: Nitesh Shetty <nj.shetty@samsung.com>
To: Christoph Hellwig <hch@lst.de>
Cc: "Keith Busch" <kbusch@kernel.org>,
"Javier González" <javier.gonz@samsung.com>,
"Jens Axboe" <axboe@kernel.dk>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
"Kanchan Joshi" <joshi.k@samsung.com>,
hare@suse.de, sagi@grimberg.me, brauner@kernel.org,
viro@zeniv.linux.org.uk, jack@suse.cz, jaegeuk@kernel.org,
bcrl@kvack.org, dhowells@redhat.com, bvanassche@acm.org,
asml.silence@gmail.com, linux-nvme@lists.infradead.org,
linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org,
linux-block@vger.kernel.org, linux-aio@kvack.org,
gost.dev@samsung.com, vishak.g@samsung.com
Subject: Re: [PATCH v7 0/3] FDP and per-io hints
Date: Wed, 9 Oct 2024 21:58:50 +0530 [thread overview]
Message-ID: <20241009162826.cpmb56rj4groafaq@ubuntu> (raw)
In-Reply-To: <20241009092828.GA18118@lst.de>
[-- Attachment #1: Type: text/plain, Size: 1051 bytes --]
On 09/10/24 11:28AM, Christoph Hellwig wrote:
>On Tue, Oct 08, 2024 at 08:44:28AM -0600, Keith Busch wrote:
>> Then let's just continue with patches 1 and 2. They introduce no new
>> user or kernel APIs, and people have already reported improvements using
>> it.
>
>They are still not any way actually exposing the FDP functionality
>in the standard though. How is your application going to align
>anything to the reclaim unit? Or is this another of the cases where
>as a hyperscaler you just "know" from the data sheet?
I think Keith already[1] mentioned a couple of times in previous replies,
this is an optional feature, if experiments doesn't give better
results, FDP hints can be disabled.
>
>But also given that the submitter completely disappeared and refuses
>to even discuss his patches I thing they are simply abandonware at
>this point anyway.
Kanchan is away due to personal reasons, he is expected to be back in a
week or so.
Regards,
Nitesh Shetty
[1] https://lore.kernel.org/all/ZmjSwfD1IqX-ADtL@kbusch-mbp.dhcp.thefacebook.com/
[-- Attachment #2: Type: text/plain, Size: 0 bytes --]
next prev parent reply other threads:[~2024-10-09 16:37 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20240930182052epcas5p37edefa7556b87c3fbb543275756ac736@epcas5p3.samsung.com>
2024-09-30 18:13 ` [PATCH v7 0/3] FDP and per-io hints Kanchan Joshi
[not found] ` <CGME20240930182056epcas5p33f823c00caadf9388b509bafcad86f3d@epcas5p3.samsung.com>
2024-09-30 18:13 ` [PATCH v7 1/3] nvme: enable FDP support Kanchan Joshi
2024-10-02 18:37 ` Bart Van Assche
2024-10-03 12:55 ` Christoph Hellwig
[not found] ` <CGME20240930182100epcas5p31a010c225f3c76aa4dc54fced32abd2a@epcas5p3.samsung.com>
2024-09-30 18:13 ` [PATCH v7 2/3] block, fs: restore kiocb based write hint processing Kanchan Joshi
[not found] ` <CGME20240930182103epcas5p4c9e91ca3cdf20e900b1425ae45fef81d@epcas5p4.samsung.com>
2024-09-30 18:13 ` [PATCH v7 3/3] io_uring: enable per-io hinting capability Kanchan Joshi
2024-10-02 14:26 ` Pavel Begunkov
2024-10-17 14:58 ` Kanchan Joshi
2024-10-02 18:29 ` Bart Van Assche
2024-10-01 9:20 ` [PATCH v7 0/3] FDP and per-io hints Christoph Hellwig
2024-10-01 15:58 ` James R. Bergsten
2024-10-01 16:18 ` Jens Axboe
2024-10-02 7:51 ` Christoph Hellwig
2024-10-02 15:03 ` Jens Axboe
2024-10-02 15:13 ` Christoph Hellwig
2024-10-02 15:17 ` Keith Busch
2024-10-02 15:19 ` Christoph Hellwig
2024-10-02 15:33 ` Keith Busch
2024-10-03 12:51 ` Christoph Hellwig
2024-10-02 15:47 ` Martin K. Petersen
2024-10-02 18:34 ` Bart Van Assche
2024-10-03 12:55 ` Christoph Hellwig
2024-10-03 21:48 ` Keith Busch
2024-10-03 22:00 ` Bart Van Assche
2024-10-03 22:12 ` Jens Axboe
2024-10-03 22:17 ` Keith Busch
2024-10-04 6:21 ` Javier González
2024-10-04 6:24 ` Christoph Hellwig
2024-10-04 6:59 ` Javier González
2024-10-04 12:32 ` Christoph Hellwig
2024-10-07 11:29 ` Javier González
2024-10-08 12:27 ` Christoph Hellwig
2024-10-03 12:54 ` Christoph Hellwig
2024-10-03 22:14 ` Jens Axboe
2024-10-04 5:31 ` Christoph Hellwig
2024-10-04 6:18 ` Javier González
2024-10-04 6:27 ` Christoph Hellwig
2024-10-04 6:52 ` Javier González
2024-10-04 12:30 ` Christoph Hellwig
2024-10-07 10:10 ` Javier González
2024-10-08 10:06 ` Hans Holmberg
2024-10-09 14:36 ` Javier Gonzalez
2024-10-10 6:40 ` Hans Holmberg
2024-10-10 7:13 ` Javier Gonzalez
2024-10-10 9:20 ` Christoph Hellwig
2024-10-10 12:22 ` Javier Gonzalez
2024-10-11 8:56 ` Christoph Hellwig
2024-10-11 12:21 ` Javier Gonzalez
2024-10-11 16:59 ` Keith Busch
2024-10-10 10:46 ` Hans Holmberg
[not found] ` <CGME20241010122734eucas1p1e20a5263a4d69db81b50b8b03608fad1@eucas1p1.samsung.com>
2024-10-10 12:27 ` Javier Gonzalez
2024-10-11 8:59 ` Christoph Hellwig
2024-10-08 12:25 ` Christoph Hellwig
2024-10-08 14:44 ` Keith Busch
2024-10-09 9:28 ` Christoph Hellwig
2024-10-09 15:06 ` Keith Busch
[not found] ` <CGME20241010070738eucas1p2057209e5f669f37ca586ad4a619289ed@eucas1p2.samsung.com>
2024-10-10 7:07 ` Javier González
2024-10-10 9:13 ` Christoph Hellwig
2024-10-10 11:59 ` Javier González
2024-10-11 9:02 ` Christoph Hellwig
2024-10-11 17:08 ` Jens Axboe
2024-10-14 6:21 ` Christoph Hellwig
2024-10-14 7:02 ` Javier Gonzalez
2024-10-14 7:47 ` Christoph Hellwig
2024-10-14 9:08 ` Javier Gonzalez
2024-10-14 11:50 ` Christoph Hellwig
2024-10-15 3:07 ` Javier Gonzalez
2024-10-15 5:30 ` Christoph Hellwig
2024-10-10 9:10 ` Christoph Hellwig
2024-10-09 16:28 ` Nitesh Shetty [this message]
2024-10-02 15:22 ` Jens Axboe
2024-10-01 16:23 ` Keith Busch
2024-10-02 7:49 ` Christoph Hellwig
2024-10-02 14:56 ` Keith Busch
2024-10-02 15:00 ` Jens Axboe
2024-10-03 0:20 ` Bart Van Assche
2024-10-15 5:50 ` Christoph Hellwig
2024-10-15 15:09 ` Keith Busch
2024-10-15 15:22 ` Christoph Hellwig
2024-10-17 14:35 ` Kanchan Joshi
2024-10-17 15:23 ` Christoph Hellwig
2024-10-17 15:44 ` Keith Busch
2024-10-17 15:46 ` Christoph Hellwig
2024-10-17 16:06 ` Keith Busch
2024-10-17 16:15 ` Bart Van Assche
2024-10-17 16:23 ` Keith Busch
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=20241009162826.cpmb56rj4groafaq@ubuntu \
--to=nj.shetty@samsung.com \
--cc=asml.silence@gmail.com \
--cc=axboe@kernel.dk \
--cc=bcrl@kvack.org \
--cc=brauner@kernel.org \
--cc=bvanassche@acm.org \
--cc=dhowells@redhat.com \
--cc=gost.dev@samsung.com \
--cc=hare@suse.de \
--cc=hch@lst.de \
--cc=io-uring@vger.kernel.org \
--cc=jack@suse.cz \
--cc=jaegeuk@kernel.org \
--cc=javier.gonz@samsung.com \
--cc=joshi.k@samsung.com \
--cc=kbusch@kernel.org \
--cc=linux-aio@kvack.org \
--cc=linux-block@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=martin.petersen@oracle.com \
--cc=sagi@grimberg.me \
--cc=viro@zeniv.linux.org.uk \
--cc=vishak.g@samsung.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