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From: Nick Piggin <npiggin@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
	Linux Filesystems <linux-fsdevel@vger.kernel.org>,
	Linux Memory Management <linux-mm@kvack.org>
Subject: Re: [patch 1/9] fs: libfs buffered write leak fix
Date: Sat, 3 Feb 2007 03:28:51 +0100	[thread overview]
Message-ID: <20070203022851.GA16887@wotan.suse.de> (raw)
In-Reply-To: <20070202181955.a48d5b3c.akpm@linux-foundation.org>

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@suse.de> wrote:
> 
> > From: Nick Piggin <npiggin@suse.de>
> > To: Andrew Morton <akpm@osdl.org>
> 
> 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@linux-foundation.org?

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@vger.kernel.org>, Linux Filesystems <linux-fsdevel@vger.kernel.org>, Linux Memory Management <linux-mm@kvack.org>
> > 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@suse.de> 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.


  reply	other threads:[~2007-02-03  2:28 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-29 10:31 [patch 0/9] buffered write deadlock fix Nick Piggin
2007-01-29 10:31 ` [patch 1/9] fs: libfs buffered write leak fix Nick Piggin
2007-02-02 23:52   ` Andrew Morton
2007-02-03  1:33     ` Nick Piggin
2007-02-03  1:58       ` Andrew Morton
2007-02-03  2:09         ` Nick Piggin
2007-02-03  2:19           ` Andrew Morton
2007-02-03  2:28             ` Nick Piggin [this message]
2007-02-03 17:49       ` Jörn Engel
2007-02-04  3:55         ` Nick Piggin
2007-01-29 10:31 ` [patch 2/9] mm: revert "generic_file_buffered_write(): handle zero length iovec segments" Nick Piggin
2007-01-29 10:32 ` [patch 3/9] mm: revert "generic_file_buffered_write(): deadlock on vectored write" Nick Piggin
2007-01-29 10:32 ` [patch 4/9] mm: generic_file_buffered_write cleanup Nick Piggin
2007-01-29 10:32 ` [patch 5/9] mm: debug write deadlocks Nick Piggin
2007-01-29 10:32 ` [patch 6/9] mm: be sure to trim blocks Nick Piggin
2007-01-29 10:32 ` [patch 7/9] mm: cleanup pagecache insertion operations Nick Piggin
2007-01-29 10:32 ` [patch 8/9] mm: generic_file_buffered_write iovec cleanup Nick Piggin
2007-01-29 10:33 ` [patch 9/9] mm: fix pagecache write deadlocks Nick Piggin
2007-01-29 11:11   ` Nick Piggin
2007-02-02 23:53   ` Andrew Morton
2007-02-03  1:38     ` Nick Piggin
2007-01-30 20:55 ` [patch 0/9] buffered write deadlock fix Andrew Morton
2007-01-30 23:21   ` Andrew Morton
2007-01-31  1:31     ` Nick Piggin
2007-01-31  0:32   ` Nick Piggin
2007-02-02 23:52 ` Andrew Morton
2007-02-03  1:22   ` Nick Piggin
2007-02-03  6:43   ` Suparna Bhattacharya
     [not found]   ` <370516630.03363@ustc.edu.cn>
2007-02-03 15:31     ` Fengguang Wu
2007-02-04  8:49 Nick Piggin
2007-02-04  8:49 ` [patch 1/9] fs: libfs buffered write leak fix Nick Piggin

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