linux-kernel - Re: [PATCH v2 4/4] fs/ocfs2/dlm: Remove deprecated create_singlethread

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Message-ID: <20160831143140.GU12660@htj.duckdns.org>
Date:   Wed, 31 Aug 2016 10:31:40 -0400
From:   Tejun Heo <tj@...nel.org>
To:     Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Cc:     Mark Fasheh <mfasheh@...e.com>, Joel Becker <jlbec@...lplan.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Joseph Qi <joseph.qi@...wei.com>,
        xuejiufei <xuejiufei@...wei.com>,
        "Norton.Zhu" <norton.zhu@...wei.com>,
        Jun Piao <piaojun@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Michal Hocko <mhocko@...e.com>,
        Vladimir Davydov <vdavydov@...tuozzo.com>,
        Johannes Weiner <hannes@...xchg.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        ocfs2-devel@....oracle.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] fs/ocfs2/dlm: Remove deprecated
 create_singlethread_workqueue

On Wed, Aug 31, 2016 at 02:21:26AM +0530, Bhaktipriya Shridhar wrote:
> The workqueue "dlm_worker" queues a single work item &dlm->dispatched_work
> and thus it doesn't require execution ordering. Hence, alloc_workqueue
> has been used to replace the deprecated create_singlethread_workqueue
> instance.
> 
> The WQ_MEM_RECLAIM flag has been set to ensure forward progress under
> memory pressure.
> 
> Since there are fixed number of work items, explicit concurrency
> limit is unnecessary here.
> 
> Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com>

Just for the record,

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun