Re: [PATCH 5/7] gfs2: use workqueue instead of slow-work

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From: Tejun Heo <tj@kernel.org>
To: Tejun Heo <tj@kernel.org>
Cc: linux-kernel@vger.kernel.org, dhowells@redhat.com,
	sfrench@samba.org, anton@samba.org, swhiteho@redhat.com,
	airlied@linux.ie, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 5/7] gfs2: use workqueue instead of slow-work
Date: Thu, 22 Jul 2010 22:45:02 +0200	[thread overview]
Message-ID: <4C48ADCE.3050707@kernel.org> (raw)
In-Reply-To: <1279658102-20069-6-git-send-email-tj@kernel.org>

On 07/20/2010 10:35 PM, Tejun Heo wrote:
> Workqueue can now handle high concurrency.  Convert gfs to use
> workqueue instead of slow-work.
> 
> * Steven pointed out that recovery path might be run from allocation
>   path and thus requires forward progress guarantee without memory
>   allocation.  Create and use gfs_recovery_wq with rescuer.  Please
>   note that forward progress wasn't guaranteed with slow-work.
> 
> * Updated to use non-reentrant workqueue.
> 
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: Steven Whitehouse <swhiteho@redhat.com>

Steven, can you please review the change?

Thanks.

-- 
tejun

WARNING: multiple messages have this Message-ID (diff)

From: Tejun Heo <tj@kernel.org>
To: Tejun Heo <tj@kernel.org>
Cc: sfrench@samba.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org, dhowells@redhat.com,
	anton@samba.org, swhiteho@redhat.com
Subject: Re: [PATCH 5/7] gfs2: use workqueue instead of slow-work
Date: Thu, 22 Jul 2010 22:45:02 +0200	[thread overview]
Message-ID: <4C48ADCE.3050707@kernel.org> (raw)
In-Reply-To: <1279658102-20069-6-git-send-email-tj@kernel.org>

On 07/20/2010 10:35 PM, Tejun Heo wrote:
> Workqueue can now handle high concurrency.  Convert gfs to use
> workqueue instead of slow-work.
> 
> * Steven pointed out that recovery path might be run from allocation
>   path and thus requires forward progress guarantee without memory
>   allocation.  Create and use gfs_recovery_wq with rescuer.  Please
>   note that forward progress wasn't guaranteed with slow-work.
> 
> * Updated to use non-reentrant workqueue.
> 
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: Steven Whitehouse <swhiteho@redhat.com>

Steven, can you please review the change?

Thanks.

-- 
tejun

next prev parent reply	other threads:[~2010-07-22 20:48 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-20 20:34 [PATCHSET wq#for-next] workqueue: replace slow-work with workqueue Tejun Heo
2010-07-20 20:34 ` [PATCH 1/7] fscache: convert object to use workqueue instead of slow-work Tejun Heo
2010-07-20 20:34 ` [PATCH 2/7] fscache: convert operation " Tejun Heo
2010-07-20 20:34 ` [PATCH 3/7] fscache: drop references to slow-work Tejun Heo
2010-07-20 20:34 ` [PATCH 4/7] cifs: use workqueue instead of slow-work Tejun Heo
2010-07-21 15:46   ` Steve French
2010-07-20 20:35 ` [PATCH 5/7] gfs2: " Tejun Heo
2010-07-22 20:45   ` Tejun Heo [this message]
2010-07-22 20:45     ` Tejun Heo
2010-07-23 10:20   ` Steven Whitehouse
2010-07-23 11:13     ` Tejun Heo
2010-07-23 11:13       ` Tejun Heo
2010-07-20 20:35 ` [PATCH 6/7] drm: " Tejun Heo
2010-07-22 20:45   ` Tejun Heo
2010-07-22 20:45     ` Tejun Heo
2010-07-22 21:11     ` Dave Airlie
2010-07-22 21:11       ` Dave Airlie
2010-07-22 21:17       ` Tejun Heo
2010-07-22 21:17         ` Tejun Heo
2010-07-20 20:35 ` [PATCH 7/7] slow-work: kill it Tejun Heo
2010-07-22 21:00 ` [PATCHSET wq#for-next] workqueue: replace slow-work with workqueue Tejun Heo
2010-07-23 11:22   ` Tejun Heo

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