From: "Darrick J. Wong" <djwong@kernel.org>
To: Phillip Susi <phill@thesusis.net>
Cc: Dave Chinner <david@fromorbit.com>,
linux-fsdevel@vger.kernel.org, Theodore Ts'o <tytso@mit.edu>
Subject: Re: Uneccesary flushes waking up suspended disks
Date: Fri, 15 Mar 2024 21:38:42 -0700 [thread overview]
Message-ID: <20240316043842.GR6184@frogsfrogsfrogs> (raw)
In-Reply-To: <87h6h78uar.fsf@vps.thesusis.net>
On Fri, Mar 15, 2024 at 10:05:16AM -0400, Phillip Susi wrote:
> Dave Chinner <david@fromorbit.com> writes:
>
> > How do other filesystems behave? Is this a problem just on specific
> > filesystems?
>
> I finally got around to testing other filesystems and surprisingly, it
> seems this is only a problem for ext4. I tried btrfs, f2fs, jfs, udf,
> and xfs. xfs even uses the same jbd2 for journaling that ext4 does
> doesn't it?
No, xfs has its own logging code.
> I just formatted a clean fs, synced, and ran blktrace, then synced
> again, and only ext4 emits a flush on the second sync.
Heh. Maybe we should deprecate ext4 then? :)
(Just kidding!)
--D
next prev parent reply other threads:[~2024-03-16 4:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-07 13:53 Uneccesary flushes waking up suspended disks Phillip Susi
2024-03-07 15:37 ` Theodore Ts'o
2024-03-08 20:54 ` Phillip Susi
2024-03-09 17:37 ` Theodore Ts'o
2024-03-12 20:35 ` Phillip Susi
2024-03-11 1:32 ` Dave Chinner
2024-03-15 14:05 ` Phillip Susi
2024-03-16 4:38 ` Darrick J. Wong [this message]
2024-03-16 18:35 ` Phillip Susi
2024-03-17 22:45 ` Dave Chinner
2024-03-20 12:38 ` Phillip Susi
2024-03-20 21:58 ` Dave Chinner
2024-03-25 17:09 ` Phillip Susi
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=20240316043842.GR6184@frogsfrogsfrogs \
--to=djwong@kernel.org \
--cc=david@fromorbit.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=phill@thesusis.net \
--cc=tytso@mit.edu \
/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).