linux-ext4 - Re: [patch] fix up lock order reversal in writeback

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Date:	Wed, 17 Nov 2010 22:06:13 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Nick Piggin <npiggin@...nel.dk>
Cc:	Eric Sandeen <sandeen@...hat.com>, Jan Kara <jack@...e.cz>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-btrfs@...r.kernel.org
Subject: Re: [patch] fix up lock order reversal in writeback

On Wed, Nov 17, 2010 at 05:10:57PM +1100, Nick Piggin wrote:
> On Tue, Nov 16, 2010 at 11:05:52PM -0600, Eric Sandeen wrote:
> > On 11/16/10 10:38 PM, Nick Piggin wrote:
> > >> as for the locking problems ... sorry about that!
> > > 
> > > That's no problem. So is that an ack? :)
> > > 
> > 
> > I'd like to test it with the original case it was supposed to solve; will
> > do that tomorrow.
> 
> OK, but it shouldn't make much difference, unless there is a lot of
> strange activity happening on the sb (like mount / umount / remount /
> freeze / etc).

This makes sense to me as well.

Acked-by: "Theodore Ts'o" <tytso@....edu>

So how do we want to send this patch to Linus?  It's a writeback
change, so through some mm tree?  Or it lives in fs/fs-writeback.c
(which I always thought was weird; why is it not in mm/?), so maybe
through the VFS tree, even though I don't think Al would really care
about this patch.

Or I can push it to Linus through the ext4 tree....

     	      	    	  	      	   - Ted
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