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From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Alan Stern
	<stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>,
	Steve French <sfrench-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
	Chris Ball <cjb-2X9k7bc8m7Mdnm+yROfE0A@public.gmane.org>,
	David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
	Linux-pm mailing list
	<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	keyrings-6DNke4IJHB0gsBAKwltoeQ@public.gmane.org
Subject: Re: system_nrt_wq, system suspend, and the freezer
Date: Thu, 16 Feb 2012 08:26:34 -0800	[thread overview]
Message-ID: <20120216162634.GE24986@google.com> (raw)
In-Reply-To: <32626.1329405744-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On Thu, Feb 16, 2012 at 03:22:24PM +0000, David Howells wrote:
> Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org> wrote:
> 
> > My question to all of you: Should system_nrt_wq be made freezable, or 
> > should I create a new workqueue that is both freezable and 
> > non-reentrant?  And if I do, which of the usages above should be 
> > converted to the new workqueue?
> 
> As far as keys are concerned, it's only for garbage collection purposes, so
> having it freezable shouldn't be a problem.

If freezing is not strictly necessary, please avoid marking it as
freezable.

Thanks.

-- 
tejun

  parent reply	other threads:[~2012-02-16 16:26 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-16 14:41 system_nrt_wq, system suspend, and the freezer Alan Stern
2012-02-16 14:41 ` Alan Stern
     [not found] ` <Pine.LNX.4.44L0.1202160930010.1268-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-02-16 15:22   ` David Howells
     [not found]     ` <32626.1329405744-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-02-16 16:26       ` Tejun Heo [this message]
     [not found]     ` <20120216162634.GE24986-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-02-16 16:35       ` David Howells
2012-02-16 16:37         ` Tejun Heo
2012-02-16 15:27 ` Jeff Layton
2012-02-16 15:27   ` Jeff Layton
     [not found]   ` <20120216102728.230b99ba-vpEMnDpepFuMZCB2o+C8xQ@public.gmane.org>
2012-02-16 16:29     ` Tejun Heo
     [not found]       ` <20120216162951.GF24986-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-02-16 16:42         ` Alan Stern
2012-02-16 16:42           ` Alan Stern
2012-02-16 18:59       ` Jeff Layton
     [not found]         ` <20120216135945.3dd3893a-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>
2012-02-16 19:01           ` Tejun Heo
2012-02-17 21:22   ` [PATCH] Block: use a freezable workqueue for disk-event polling Alan Stern
2012-02-17 21:22     ` Alan Stern
2012-02-17 21:52     ` Tejun Heo
2012-02-17 22:11     ` Rafael J. Wysocki
2012-03-02  9:51     ` Jens Axboe
2012-02-16 16:25 ` system_nrt_wq, system suspend, and the freezer Tejun Heo
     [not found]   ` <20120216162529.GD24986-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-02-16 16:37     ` Alan Stern
2012-02-16 16:37       ` Alan Stern
     [not found]       ` <Pine.LNX.4.44L0.1202161131420.1268-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-02-16 16:45         ` Tejun Heo
2012-02-16 16:58           ` Alan Stern
2012-02-16 16:58             ` Alan Stern

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