linux-kernel - Re: [dm-devel] [PATCH] deadlock with suspend and quotas

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Date:	Wed, 30 Nov 2011 13:48:34 +0000
From:	Alasdair G Kergon <agk@...hat.com>
To:	Jan Kara <jack@...e.cz>, Mikulas Patocka <mpatocka@...hat.com>
Cc:	esandeen@...hat.com, linux-kernel@...r.kernel.org,
	dm-devel@...hat.com, linux-fsdevel@...r.kernel.org,
	Christopher Chaltain <christopher.chaltain@...onical.com>,
	Valerie Aurora <val@...consulting.com>
Subject: Re: [dm-devel] [PATCH] deadlock with suspend and quotas

On Wed, Nov 30, 2011 at 01:33:32PM +0000, Alasdair G Kergon wrote:
> Have I missed something in this
> reasoning, Mikulas?
 
Ah - counter-example: mmap?
So sync might indeed be required to block on the filesystem iff there
are newly-dirtied pages.

Alasdair

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