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

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Date:	Tue, 28 Oct 2008 22:51:59 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	ncunningham@...a.org.au
CC:	miklos@...redi.hu, rjw@...k.pl,
	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:
> > However it does not fix the freezing of tasks which are waiting for
> > VFS locks (i.e. inode->i_mutex) held by the outstanding fuse requests.
> > This is the tricky part...
> 
> Convert them all to wait_event_freezeable.

You mean convert mutexes to event queues?  Not a very good idea.

I fear we are going down the same path as the last time.  I still
don't think rewriting the VFS is the right solution to the freezing
problem.  But hey, if you want, sumbit a patch or an RFD and lets see
what others think.

Miklos
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