linux-ext4 - Re: [PATCH 3/3] Add timeout feature

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Message-ID: <20080707110730.GG5643@ucw.cz>
Date:	Mon, 7 Jul 2008 13:07:31 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Takashi Sato <t-sato@...jp.nec.com>, akpm@...ux-foundation.org,
	viro@...IV.linux.org.uk,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"xfs@....sgi.com" <xfs@....sgi.com>,
	"dm-devel@...hat.com" <dm-devel@...hat.com>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	axboe@...nel.dk, mtk.manpages@...glemail.com
Subject: Re: [PATCH 3/3] Add timeout feature

Hi!

> I still disagree with this whole patch.  There is not reason to let
> the freeze request timeout - an auto-unfreezing will only confuse the
> hell out of the caller.  The only reason where the current XFS freeze
> call can hang and this would be theoretically useful is when the

What happens when someone dirties so much data that vm swaps out
whatever process that frozen the filesystem?

I though that was why the timeout was there...
							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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