linux-kernel - Re: 2.6.21-rc2-git3 Unstable for me

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Date:	Mon, 05 Mar 2007 09:36:25 -0600
From:	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	Will Trives <will@...vescon.com.au>, linux-kernel@...r.kernel.org,
	Nick Piggin <nickpiggin@...oo.com.au>
Subject: Re: 2.6.21-rc2-git3 Unstable for me

On Mon, 2007-03-05 at 09:59 -0500, Chuck Ebbert wrote:
> Will Trives wrote:
> 
> [adding JFS maintainer to cc:]

Thanks for adding me to the thread.

> Some kind of JFS problem?

I don' t know yet.  I was notified of the problem through bugzilla:
http://bugzilla.kernel.org/show_bug.cgi?id=8128

The problem appears that a non-uptodate page has been marked dirty.  I
haven't found much in the way of changes between 2.6.20 and the current
git tree to explain this.  There's this one:
http://git.kernel.org/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=22c8ca78f20724676b6006232bf06cc3e9299539

I'm looking for for a caller to ->prepare_write() which marks the page
dirty without calling ->commit_write().

Will, could you try reverting that patch?  If that fails, narrowing the
problem down with git-bisect would be helpful, if you have the time.

Thanks,
Shaggy
-- 
David Kleikamp
IBM Linux Technology Center

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