From: Brian Foster <bfoster@redhat.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@infradead.org>,
"Darrick J. Wong" <djwong@kernel.org>,
Chi Zhiling <chizhiling@163.com>,
Amir Goldstein <amir73il@gmail.com>,
cem@kernel.org, linux-xfs@vger.kernel.org,
linux-kernel@vger.kernel.org, Chi Zhiling <chizhiling@kylinos.cn>,
John Garry <john.g.garry@oracle.com>
Subject: Re: [PATCH] xfs: Remove i_rwsem lock in buffered read
Date: Thu, 16 Jan 2025 09:23:59 -0500 [thread overview]
Message-ID: <Z4kWf4oCHNd86Hkd@bfoster> (raw)
In-Reply-To: <Z4grgXw2iw0lgKqD@dread.disaster.area>
On Thu, Jan 16, 2025 at 08:41:21AM +1100, Dave Chinner wrote:
> On Tue, Jan 14, 2025 at 09:55:21PM -0800, Christoph Hellwig wrote:
> > On Mon, Jan 13, 2025 at 08:40:51AM -0500, Brian Foster wrote:
...
>
> > I don't really have time to turn this hand waving into, but maybe we
> > should think if it's worthwhile or if I'm missing something important.
>
> If people are OK with XFS moving to exclusive buffered or DIO
> submission model, then I can find some time to work on the
> converting the IO path locking to use a two-state shared lock in
> preparation for the batched folio stuff that will allow concurrent
> buffered writes...
>
Ack to this, FWIW. I think this is a natural/logical approach,
prototyping and whatnot notwithstanding.
Brian
> -Dave.
> --
> Dave Chinner
> david@fromorbit.com
>
next prev parent reply other threads:[~2025-01-16 14:21 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-26 6:16 [PATCH] xfs: Remove i_rwsem lock in buffered read Chi Zhiling
2024-12-26 21:50 ` Dave Chinner
2024-12-28 7:37 ` Chi Zhiling
2024-12-28 22:17 ` Dave Chinner
2024-12-30 2:42 ` Chi Zhiling
2025-01-07 12:13 ` Amir Goldstein
2025-01-07 17:12 ` Christoph Hellwig
2025-01-08 7:43 ` Chi Zhiling
2025-01-08 11:33 ` Amir Goldstein
2025-01-08 11:45 ` Amir Goldstein
2025-01-08 12:15 ` John Garry
2025-01-09 10:07 ` Amir Goldstein
2025-01-09 12:40 ` John Garry
2025-01-09 8:37 ` Chi Zhiling
2025-01-09 10:25 ` Amir Goldstein
2025-01-09 12:10 ` Chi Zhiling
2025-01-09 12:25 ` John Garry
2025-01-08 17:35 ` Darrick J. Wong
2025-01-09 23:28 ` Dave Chinner
2025-01-10 1:31 ` Chi Zhiling
2025-01-10 17:07 ` Amir Goldstein
2025-01-12 10:05 ` Chi Zhiling
2025-01-13 2:44 ` Darrick J. Wong
2025-01-13 5:59 ` Chi Zhiling
2025-01-13 13:40 ` Brian Foster
2025-01-13 16:19 ` Darrick J. Wong
2025-01-15 5:55 ` Christoph Hellwig
2025-01-15 21:41 ` Dave Chinner
2025-01-16 4:36 ` Christoph Hellwig
2025-01-17 22:20 ` Dave Chinner
2025-01-16 14:23 ` Brian Foster [this message]
2025-01-17 13:27 ` Amir Goldstein
2025-01-17 22:19 ` Dave Chinner
2025-01-18 13:03 ` Amir Goldstein
2025-01-20 5:11 ` Dave Chinner
2025-01-22 6:08 ` Christoph Hellwig
2025-01-22 23:35 ` Dave Chinner
2025-01-17 16:12 ` Chi Zhiling
2025-01-24 7:57 ` Chi Zhiling
2025-01-27 20:49 ` Dave Chinner
2025-01-28 5:15 ` Christoph Hellwig
2025-01-28 21:23 ` David Laight
2025-01-29 0:59 ` Dave Chinner
2025-01-29 5:20 ` Christoph Hellwig
2025-02-10 1:44 ` Chi Zhiling
2025-01-14 0:09 ` Dave Chinner
2025-01-25 8:43 ` Jinliang Zheng
2025-01-25 14:14 ` Amir Goldstein
2025-06-20 14:03 ` Jinliang Zheng
-- strict thread matches above, loose matches on Subject: below --
2019-03-25 0:10 [QUESTION] Long read latencies on mixed rw buffered IO Dave Chinner
2025-06-20 13:46 ` [PATCH] xfs: Remove i_rwsem lock in buffered read Jinliang Zheng
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