linux-ext4 - Re: [EXT4 set 5][PATCH 1/1] expand inode i_extra_isize to support features in larger inode

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Date:	Fri, 13 Jul 2007 12:12:59 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	cmm@...ibm.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org,
	Andy Whitcroft <apw@...dowen.org>
Subject: Re: [EXT4 set 5][PATCH 1/1] expand inode i_extra_isize to support
 features in larger inode

On Fri, 13 Jul 2007 15:33:41 +0200
Peter Zijlstra <peterz@...radead.org> wrote:

> On Fri, 2007-07-13 at 02:05 -0700, Andrew Morton wrote:
> 
> > Except lockdep doesn't know about journal_start(), which has ranking
> > requirements similar to a semaphore.  
> 
> Something like so?

Looks OK.

> Or can journal_stop() be done by a different task than the one that did
> journal_start()? - in which case nothing much can be done :-/

Yeah, journal_start() and journal_stop() are well-behaved.
 
> This seems to boot... albeit I did not push it hard.

I fear the consequences of this change :(

Oh well, please keep it alive, maybe beat on it a bit, resend it
later on?
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