XFS: accounting of reclaimable inodes is incorrect

XFS: accounting of reclaimable inodes is incorrect

[Stefan Priebe - Profihost AG]

Hi,

it seems that a bug was backported into the latest 2.6.32 longterm 
stable kernel. Now the patch "XFS: accounting of reclaimable inodes is 
incorrect" needs to get backported to 2.6.32.

Who can help? Who is responsible?

Please CC me i'm not on list.

-- 
Greets,
   Stefan

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Re: XFS: accounting of reclaimable inodes is incorrect

[Christoph Hellwig]

On Tue, Jun 07, 2011 at 01:42:28PM +0200, Stefan Priebe - Profihost AG wrote:
> Hi,
> 
> it seems that a bug was backported into the latest 2.6.32 longterm
> stable kernel. Now the patch "XFS: accounting of reclaimable inodes
> is incorrect" needs to get backported to 2.6.32.
> 
> Who can help? Who is responsible?

For -stable releases no one really is.  If you want to help you can
backport it and send it to the stable mailinglist.

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Re: XFS: accounting of reclaimable inodes is incorrect

[Stefan Priebe - Profihost AG]

>> it seems that a bug was backported into the latest 2.6.32 longterm
>> stable kernel. Now the patch "XFS: accounting of reclaimable inodes
>> is incorrect" needs to get backported to 2.6.32.
>>
>> Who can help? Who is responsible?
>
> For -stable releases no one really is.  If you want to help you can
> backport it and send it to the stable mailinglist.
Sorry i can't. I'm not a kernel hacker. But i think a real bug / 
showstopper should be fixed in a longterm stable kernel.

Redhat seems to have fixed it on it's own:
https://bugzilla.redhat.com/show_bug.cgi?id=642680

Sadly they haven't provided a patch.

Greets Stefan

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Re: XFS: accounting of reclaimable inodes is incorrect

[Christoph Hellwig]

On Tue, Jun 07, 2011 at 02:58:32PM +0200, Stefan Priebe - Profihost AG wrote:
> Sorry i can't. I'm not a kernel hacker. But i think a real bug /
> showstopper should be fixed in a longterm stable kernel.

Linux 2.6.32 isn't really something supported by us.  It's not just a
very old codebase, but also one where a lot of the XFS code was pretty
much in flux.  If you want supported old releases work use one of
the commercially supported one like RedHat or SuSE.

> Redhat seems to have fixed it on it's own:
> https://bugzilla.redhat.com/show_bug.cgi?id=642680

I suspect the upstream commit you want is
081003fff467ea0e727f66d5d435b4f473a789b3, but I can't gurantee this
actually applies to the 2.6.32 codebase.

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Re: XFS: accounting of reclaimable inodes is incorrect

[Stefan Priebe - Profihost AG]

Am 07.06.2011 15:34, schrieb Christoph Hellwig:
> On Tue, Jun 07, 2011 at 02:58:32PM +0200, Stefan Priebe - Profihost AG wrote:
> Linux 2.6.32 isn't really something supported by us.  It's not just a
> very old codebase, but also one where a lot of the XFS code was pretty
> much in flux.  If you want supported old releases work use one of
> the commercially supported one like RedHat or SuSE.
OK so my thought was totally wrong. I thought the longterm stable 
releases will still get bugfixed by SGI or whoever wrote the stuff. 
Sorry for that then. But what is then the idea of a longterm stable?

>> Redhat seems to have fixed it on it's own:
>> https://bugzilla.redhat.com/show_bug.cgi?id=642680
>
> I suspect the upstream commit you want is
> 081003fff467ea0e727f66d5d435b4f473a789b3, but I can't gurantee this
> actually applies to the 2.6.32 codebase.
No it doesn't. I already tried to implement it into current 2.6.32.41 code.

Greets Stefan

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Re: XFS: accounting of reclaimable inodes is incorrect

[Christoph Hellwig]

On Tue, Jun 07, 2011 at 03:48:38PM +0200, Stefan Priebe - Profihost AG wrote:
> Am 07.06.2011 15:34, schrieb Christoph Hellwig:
> >On Tue, Jun 07, 2011 at 02:58:32PM +0200, Stefan Priebe - Profihost AG wrote:
> >Linux 2.6.32 isn't really something supported by us.  It's not just a
> >very old codebase, but also one where a lot of the XFS code was pretty
> >much in flux.  If you want supported old releases work use one of
> >the commercially supported one like RedHat or SuSE.
> OK so my thought was totally wrong. I thought the longterm stable
> releases will still get bugfixed by SGI or whoever wrote the stuff.
> Sorry for that then. But what is then the idea of a longterm stable?

I have no idea what the idea is, but it's clearly not viable for normal
kernel developers.  Backporting code to age old releases and QAing it is
a major effort, and people generally don't do it unless they are paid
for it.

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Re: XFS: accounting of reclaimable inodes is incorrect

[Dave Howorth]

Christoph Hellwig wrote:
> Linux 2.6.32 isn't really something supported by us.  It's not just a
> very old codebase, but also one where a lot of the XFS code was pretty
> much in flux.  If you want supported old releases work use one of
> the commercially supported one like RedHat or SuSE.

2.6.32 is also the kernel in Ubuntu 10.04 LTS

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