From: Eric Sandeen <sandeen@redhat.com>
To: "Richard W.M. Jones" <rjones@redhat.com>
Cc: linux-ext4@vger.kernel.org, meyering@redhat.com
Subject: Re: Difference in statvfs(2) block count with ext2 and very recent Linux 3.2.0 kernels
Date: Wed, 16 Nov 2011 11:40:48 -0600 [thread overview]
Message-ID: <4EC3F5A0.3040404@redhat.com> (raw)
In-Reply-To: <20111116164356.GT2626@amd.home.annexia.org>
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 11/16/11 10:43 AM, Richard W.M. Jones wrote:
> On Wed, Nov 16, 2011 at 10:33:19AM -0600, Eric Sandeen wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> On 11/16/11 3:54 AM, Richard W.M. Jones wrote:
>>>
>>> Hi,
>>>
>>> We do some automated testing of the kernel and ext2/3/4 filesystems,
>>> and noticed that the block count returned by statvfs(2) for plain
>>> *ext2* filesystems has changed with the latest 3.2.0rc1 kernel.
>>>
>>> This is probably just because of more accurate block accounting, but I
>>> just wanted to check that it isn't a bug.
>>>
>>> This posting contains the numbers and a reproducer:
>>>
>>> https://www.redhat.com/archives/libguestfs/2011-November/msg00051.html
>>>
>>> Rich.
>>>
>>
>> Note that it is a plain *ext2* filesystem run through the *ext4* driver,
>> in Fedora,
>
> Correct! We're using CONFIG_EXT4_USE_FOR_EXT23=y.
>
>> and it was tracked down to commit f975d6bcc7a698a10cc755115e27d3612dcfe322
>> ext4: teach ext4_statfs() to deal with clusters if bigalloc is enabled
>> according to the above post...
>
> Well, that's what I thought looked likely. However I didn't bisect
> this, so it could be another commit to blame ...
Ok, I will take a look, thanks.
- -Eric
> Rich.
>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG/MacGPG2 v2.0.17 (Darwin)
Comment: GPGTools - http://gpgtools.org
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/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=5ysl
-----END PGP SIGNATURE-----
prev parent reply other threads:[~2011-11-16 19:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-16 9:54 Difference in statvfs(2) block count with ext2 and very recent Linux 3.2.0 kernels Richard W.M. Jones
2011-11-16 16:33 ` Eric Sandeen
2011-11-16 16:43 ` Richard W.M. Jones
2011-11-16 17:40 ` Eric Sandeen [this message]
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=4EC3F5A0.3040404@redhat.com \
--to=sandeen@redhat.com \
--cc=linux-ext4@vger.kernel.org \
--cc=meyering@redhat.com \
--cc=rjones@redhat.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.