linux-kernel - Re: Problem with freezable workqueues

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Message-ID: <20070228203515.GA145@tv-sign.ru>
Date:	Wed, 28 Feb 2007 23:35:15 +0300
From:	Oleg Nesterov <oleg@...sign.ru>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	vatsa@...ibm.com, Pavel Machek <pavel@....cz>,
	Gautham R Shenoy <ego@...ibm.com>,
	Johannes Berg <johannes@...solutions.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Problem with freezable workqueues

On 02/28, Rafael J. Wysocki wrote:
> 
> Okay, but I've just finished the patch that removes the freezability of
> workqueues (appended), so can we please do this in a separate one?

Please, please, no. This patch is of course correct, but it breaks _a lot_
of patches in -mm tree.

May I ask you to send just

> ===================================================================
> --- linux-2.6.21-rc2.orig/fs/xfs/linux-2.6/xfs_buf.c
> +++ linux-2.6.21-rc2/fs/xfs/linux-2.6/xfs_buf.c
> @@ -1829,11 +1829,11 @@ xfs_buf_init(void)
>  	if (!xfs_buf_zone)
>  		goto out_free_trace_buf;
>  
> -	xfslogd_workqueue = create_freezeable_workqueue("xfslogd");
> +	xfslogd_workqueue = create_workqueue("xfslogd");
>  	if (!xfslogd_workqueue)
>  		goto out_free_buf_zone;
>  
> -	xfsdatad_workqueue = create_freezeable_workqueue("xfsdatad");
> +	xfsdatad_workqueue = create_workqueue("xfsdatad");
>  	if (!xfsdatad_workqueue)
>  		goto out_destroy_xfslogd_workqueue;
>  
> 

this bit?

After that, we can do the "removes the freezability of workqueues" patch
against -mm tree.

Oleg.

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