From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754256AbcH3WPt (ORCPT ); Tue, 30 Aug 2016 18:15:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43416 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751563AbcH3WPq (ORCPT ); Tue, 30 Aug 2016 18:15:46 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: To: Bhaktipriya Shridhar Cc: dhowells@redhat.com, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, Tejun Heo Subject: Re: [PATCH v2 2/4] fs/afs/rxrpc: Remove deprecated create_singlethread_workqueue MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <26364.1472595343.1@warthog.procyon.org.uk> Date: Tue, 30 Aug 2016 23:15:43 +0100 Message-ID: <26365.1472595343@warthog.procyon.org.uk> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Tue, 30 Aug 2016 22:15:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Bhaktipriya Shridhar wrote: > The workqueue "afs_async_calls" queues a single work item viz > &call->async_work and hence it doesn't require execution ordering. > ... > Since there are fixed number of work items, explicit concurrency > limit is unnecessary here. There can be more than one single call and there's no fixed number. > The workqueue "afs_lock_manager" queues a single work item > &vnode->lock_work, and hence it doesn't require execution ordering. > ... > Since there are fixed number of work items, explicit concurrency > limit is unnecessary here. There may be more than one single vnode and there's no fixed number. David