From: Matthew Wilcox <willy@infradead.org>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Hannes Reinecke <hare@suse.de>,
lsf-pc@lists.linuxfoundation.org, linux-mm@kvack.org,
linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Subject: Re: [LSF/MM/BPF TOPIC] Large block for I/O
Date: Thu, 21 Dec 2023 20:42:13 +0000 [thread overview]
Message-ID: <ZYSjJdF1wyqeCFhU@casper.infradead.org> (raw)
In-Reply-To: <5c356222-fe9e-41b0-b7fe-218fbcde4573@acm.org>
On Thu, Dec 21, 2023 at 12:33:08PM -0800, Bart Van Assche wrote:
> On 12/20/23 07:03, Hannes Reinecke wrote:
> > I would like to discuss
> >
> > Large blocks for I/O
> >
> > Since the presentation last year there has been quite some developments
> > and improvements in some areas, but at the same time a lack of progress
> > in other areas.
> > In this presentation/discussion I would like to highlight the current
> > state of affairs, existing pain points, and future directions of development.
> > It might be an idea to co-locate it with the MM folks as we do have
> > quite some overlap with page-cache improvements and hugepage handling.
>
> Hi Hannes,
>
> I'm interested in this topic. But I'm wondering whether the disadvantages of
> large blocks will be covered? Some NAND storage vendors are less than
> enthusiast about increasing the logical block size beyond 4 KiB because it
> increases the size of many writes to the device and hence increases write
> amplification.
It's LSF/MM. If this session is being run as a presentation rather than
discussion, it's being done wrongly. So if you want to talk about the
downsides, show up and talk about them.
next prev parent reply other threads:[~2023-12-21 20:42 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <7970ad75-ca6a-34b9-43ea-c6f67fe6eae6@iogearbox.net>
2023-12-20 10:01 ` LSF/MM/BPF: 2024: Call for Proposals Daniel Borkmann
2023-12-20 15:03 ` [LSF/MM/BPF TOPIC] Large block for I/O Hannes Reinecke
2023-12-21 20:33 ` Bart Van Assche
2023-12-21 20:42 ` Matthew Wilcox [this message]
2023-12-21 21:00 ` Bart Van Assche
2023-12-22 5:09 ` Christoph Hellwig
2023-12-22 5:13 ` Matthew Wilcox
2023-12-22 5:37 ` Christoph Hellwig
2024-01-08 19:30 ` Bart Van Assche
2024-01-08 19:35 ` Matthew Wilcox
2024-02-22 18:45 ` Luis Chamberlain
2024-02-25 23:09 ` Dave Chinner
2024-02-26 15:25 ` Luis Chamberlain
2024-03-07 1:59 ` Luis Chamberlain
2024-03-07 5:31 ` Dave Chinner
2024-03-07 7:29 ` Luis Chamberlain
2023-12-22 8:23 ` Viacheslav Dubeyko
2023-12-22 12:29 ` Hannes Reinecke
2023-12-22 13:29 ` Matthew Wilcox
2023-12-22 15:10 ` Keith Busch
2023-12-22 16:06 ` Matthew Wilcox
2023-12-25 8:55 ` Viacheslav Dubeyko
2023-12-25 8:12 ` Viacheslav Dubeyko
2024-02-23 16:41 ` Pankaj Raghav (Samsung)
2024-01-17 13:37 ` LSF/MM/BPF: 2024: Call for Proposals [Reminder] Daniel Borkmann
2024-02-14 13:03 ` LSF/MM/BPF: 2024: Call for Proposals [Final Reminder] Daniel Borkmann
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