From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH] dm-bufio: Remove deprecated create_singlethread_workqueue Date: Wed, 31 Aug 2016 10:21:49 -0400 Message-ID: <20160831142149.GH12660@htj.duckdns.org> References: <20160830164911.GA26756@Karyakshetra> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160830164911.GA26756@Karyakshetra> Sender: linux-raid-owner@vger.kernel.org To: Bhaktipriya Shridhar Cc: Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, Shaohua Li , linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-raid.ids On Tue, Aug 30, 2016 at 10:19:11PM +0530, Bhaktipriya Shridhar wrote: > The workqueue "dm_bufio_wq" queues a single work item &dm_bufio_work and > hence 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 since md / dm are block multi disk > drivers and require forward progress under memory pressure. > > Since there are fixed number of work items, explicit concurrency > limit is unnecessary here. > > Signed-off-by: Bhaktipriya Shridhar Acked-by: Tejun Heo Thanks. -- tejun