Re: [patch 1/9] fs: libfs buffered write leak fix

[Nick Piggin]

On Fri, Feb 02, 2007 at 06:19:55PM -0800, Andrew Morton wrote:
> On Sat, 3 Feb 2007 03:09:26 +0100
> Nick Piggin <npiggin@xxxxxxx> wrote:
> 
> > From: Nick Piggin <npiggin@xxxxxxx>
> > To: Andrew Morton <akpm@xxxxxxxx>
> 
> argh.  Yesterday all my emails were getting a mysterious
> s/osdl/linux-foundation/ done to them at the server, so I switched everything
> over.  Now it would appear that they are getting an equally mysterious
> s/linux-foundation/osdl/ done to them.  I assume you sent this to
> akpm@xxxxxxxxxxxxxxxxxxxx?

No. Your first reply I got to this patch came as linux-foundantion, and
that's what I replied to. Your subsequent reply back to me ("Yes, the page
just isn't uptodate yet..."), came from osdl.org, which is what I replied
to.

> > Cc: Linux Kernel <linux-kernel@xxxxxxxxxxxxxxx>, Linux Filesystems <linux-fsdevel@xxxxxxxxxxxxxxx>, Linux Memory Management <linux-mm@xxxxxxxxx>
> > Subject: Re: [patch 1/9] fs: libfs buffered write leak fix
> > Date: Sat, 3 Feb 2007 03:09:26 +0100
> > User-Agent: Mutt/1.5.9i
> > 
> > On Fri, Feb 02, 2007 at 05:58:01PM -0800, Andrew Morton wrote:
> > > On Sat, 3 Feb 2007 02:33:16 +0100
> > > Nick Piggin <npiggin@xxxxxxx> wrote:
> > > 
> > > > I think just setting page uptodate in commit_write might do the
> > > > trick? (and getting rid of the set_page_dirty there).
> > > 
> > > Yes, the page just isn't uptodate yet in prepare_write() - moving things
> > > to commti_write() sounds sane.
> > > 
> > > But please, can we have sufficient changelogs and comments in the next version?
> > 
> > You're right, sorry. Is this any better?
> 
> yup, thanks.
> 
> > (warning: nobh code is untested)
> 
> ow.

I'll get a chance to do that later today. I have to fire up the old test
case and see if I can reproduce the problem with nobh on a real fs...
Will get back to you when I do.

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