From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: "Javier González" <javier.gonz@samsung.com>,
"Matthew Wilcox" <willy@infradead.org>,
"Theodore Ts'o" <tytso@mit.edu>, "Hannes Reinecke" <hare@suse.de>,
"Luis Chamberlain" <mcgrof@kernel.org>,
"Keith Busch" <kbusch@kernel.org>,
"Pankaj Raghav" <p.raghav@samsung.com>,
"Daniel Gomez" <da.gomez@samsung.com>,
lsf-pc@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-block@vger.kernel.org
Subject: Re: [LSF/MM/BPF TOPIC] Cloud storage optimizations
Date: Thu, 09 Mar 2023 15:49:50 -0500 [thread overview]
Message-ID: <f929f8d8e61da345be525ab06d4bb34ed2ce878b.camel@HansenPartnership.com> (raw)
In-Reply-To: <yq11qlygevs.fsf@ca-mkp.ca.oracle.com>
On Thu, 2023-03-09 at 10:23 -0500, Martin K. Petersen wrote:
> > This is not to say I think larger block sizes is in any way a bad
> > idea ... I just think that given the history, it will be driven by
> > application needs rather than what the manufacturers tell us.
>
> I think it would be beneficial for Linux to support filesystem blocks
> larger than the page size. Based on experience outlined above, I am
> not convinced larger logical block sizes will get much traction. But
> that doesn't prevent devices from advertising larger
> physical/minimum/optimal I/O sizes and for us to handle those more
> gracefully than we currently do.
Right, I was wondering if we could try to persuade the Manufacturers to
advertise a more meaningful optimal I/O size ... But as you say, the
pressure is coming from applications and filesystems for larger block
sizes and that will create I/O patterns that are more beneficial to the
underlying device hardware regardless of whether it actually tells us
anything about what it would like.
James
next prev parent reply other threads:[~2023-03-09 20:52 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-01 3:52 [LSF/MM/BPF TOPIC] Cloud storage optimizations Theodore Ts'o
2023-03-01 4:18 ` Gao Xiang
2023-03-01 4:40 ` Matthew Wilcox
2023-03-01 4:59 ` Gao Xiang
2023-03-01 4:35 ` Matthew Wilcox
2023-03-01 4:49 ` Gao Xiang
2023-03-01 5:01 ` Matthew Wilcox
2023-03-01 5:09 ` Gao Xiang
2023-03-01 5:19 ` Gao Xiang
2023-03-01 5:42 ` Matthew Wilcox
2023-03-01 5:51 ` Gao Xiang
2023-03-01 6:00 ` Gao Xiang
2023-03-02 3:13 ` Chaitanya Kulkarni
2023-03-02 3:50 ` Darrick J. Wong
2023-03-03 3:03 ` Martin K. Petersen
2023-03-02 20:30 ` Bart Van Assche
2023-03-03 3:05 ` Martin K. Petersen
2023-03-03 1:58 ` Keith Busch
2023-03-03 3:49 ` Matthew Wilcox
2023-03-03 11:32 ` Hannes Reinecke
2023-03-03 13:11 ` James Bottomley
2023-03-04 7:34 ` Matthew Wilcox
2023-03-04 13:41 ` James Bottomley
2023-03-04 16:39 ` Matthew Wilcox
2023-03-05 4:15 ` Luis Chamberlain
2023-03-05 5:02 ` Matthew Wilcox
2023-03-08 6:11 ` Luis Chamberlain
2023-03-08 7:59 ` Dave Chinner
2023-03-06 12:04 ` Hannes Reinecke
2023-03-06 3:50 ` James Bottomley
2023-03-04 19:04 ` Luis Chamberlain
2023-03-03 21:45 ` Luis Chamberlain
2023-03-03 22:07 ` Keith Busch
2023-03-03 22:14 ` Luis Chamberlain
2023-03-03 22:32 ` Keith Busch
2023-03-03 23:09 ` Luis Chamberlain
2023-03-16 15:29 ` Pankaj Raghav
2023-03-16 15:41 ` Pankaj Raghav
2023-03-03 23:51 ` Bart Van Assche
2023-03-04 11:08 ` Hannes Reinecke
2023-03-04 13:24 ` Javier González
2023-03-04 16:47 ` Matthew Wilcox
2023-03-04 17:17 ` Hannes Reinecke
2023-03-04 17:54 ` Matthew Wilcox
2023-03-04 18:53 ` Luis Chamberlain
2023-03-05 3:06 ` Damien Le Moal
2023-03-05 11:22 ` Hannes Reinecke
2023-03-06 8:23 ` Matthew Wilcox
2023-03-06 10:05 ` Hannes Reinecke
2023-03-06 16:12 ` Theodore Ts'o
2023-03-08 17:53 ` Matthew Wilcox
2023-03-08 18:13 ` James Bottomley
2023-03-09 8:04 ` Javier González
2023-03-09 13:11 ` James Bottomley
2023-03-09 14:05 ` Keith Busch
2023-03-09 15:23 ` Martin K. Petersen
2023-03-09 20:49 ` James Bottomley [this message]
2023-03-09 21:13 ` Luis Chamberlain
2023-03-09 21:28 ` Martin K. Petersen
2023-03-10 1:16 ` Dan Helmick
2023-03-10 7:59 ` Javier González
2023-03-08 19:35 ` Luis Chamberlain
2023-03-08 19:55 ` Bart Van Assche
2023-03-03 2:54 ` Martin K. Petersen
2023-03-03 3:29 ` Keith Busch
2023-03-03 4:20 ` Theodore Ts'o
2023-07-16 4:09 BELINDA Goodpaster kelly
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