linux-kernel - Re: [linux-pm] Freezer: Don't count threads waiting for frozen filesystems.

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Message-Id: <E1KuxvH-0006Q0-Dy@pomaz-ex.szeredi.hu>
Date:	Wed, 29 Oct 2008 00:24:27 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	ncunningham@...a.org.au
CC:	miklos@...redi.hu, linux-pm@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [linux-pm] Freezer: Don't count threads waiting for
	frozen	filesystems.

On Wed, 29 Oct 2008, Nigel Cunningham wrote:
> Remember, though, that we're only freezing fuse at the moment, and
> strictly one filesystem at a time. We can thus happily wait for the
> i_mutex taken by some other process to be released.

Not going to work: you need to wait for all requests to be finished,
but those might depend on some other fuse filesystem which has already
been frozen.

Miklos
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