linux-kernel - Re: [PATCH, RFC] jbd2: Call the commit callback before the transaction could get dropped

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Message-Id: <1225201565.7743.2.camel@localhost.localdomain>
Date:	Tue, 28 Oct 2008 09:46:05 -0400
From:	Eric Paris <eparis@...hat.com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	Theodore Tso <tytso@....edu>, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH, RFC] jbd2: Call the commit callback before the
 transaction could get dropped

On Mon, 2008-10-27 at 21:41 -0500, Eric Sandeen wrote:
> Theodore Tso wrote:
> > This is what I plan to send to Linus to fix the problem.
> > 
> > commit 6fecbc3c7d27800e90a5f5fbca2fb2847e2c2854
> > Author: Theodore Ts'o <tytso@....edu>
> > Date:   Mon Oct 27 22:11:39 2008 -0400
> > 
> >     jbd2: Call the commit callback before the transaction could get dropped
> >     
> >     The transaction can potentially get dropped if there are no buffers
> >     that need to be written.  Make sure we call the commit callback before
> >     potentially deciding to drop the transaction.  Also avoid
> >     dereferencing the commit_transaction pointer in the marker for the
> >     same reason.
> >     
> >     This patch fixes the bug reported by Eric Paris at:
> >     http://bugzilla.kernel.org/show_bug.cgi?id=11838
> >     
> >     Signed-off-by: "Theodore Ts'o" <tytso@....edu>
> 
> Acked-by: Eric Sandeen <sandeen@...hat.com>

Tested-by: Eric Paris <eparis@...hat.com>

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