linux-kernel - Re: [PATCH 2/2] fusion: mptbase: Remove deprecated create_singlethread

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Message-ID: <20160831142544.GN12660@htj.duckdns.org>
Date:   Wed, 31 Aug 2016 10:25:44 -0400
From:   Tejun Heo <tj@...nel.org>
To:     Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Cc:     Sathya Prakash <sathya.prakash@...adcom.com>,
        Chaitra P B <chaitra.basappa@...adcom.com>,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>,
        MPT-FusionLinux.pdl@...adcom.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] fusion: mptbase: Remove deprecated
 create_singlethread_workqueue

On Wed, Aug 31, 2016 at 12:33:25AM +0530, Bhaktipriya Shridhar wrote:
> The workqueues "ioc->reset_work_q" and "ioc->fw_event_q" queue a single
> work item &ioc->fault_reset_work and &fw_event->work, respectively and
> hence don't require ordering. Hence, they have been converted to use
> alloc_workqueue().
> 
> The WQ_MEM_RECLAIM flag has been set to ensure forward progress under
> memory pressure since the workqueue belongs to a storage driver which is
> being used on a memory reclaim path.
> 
> Since there are fixed number of work items, explicit concurrency
> limit is unnecessary here.
> 
> Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com>

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

Thanks.

-- 
tejun