From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757871AbZBENzw (ORCPT ); Thu, 5 Feb 2009 08:55:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751377AbZBENzn (ORCPT ); Thu, 5 Feb 2009 08:55:43 -0500 Received: from mx2.redhat.com ([66.187.237.31]:44413 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751117AbZBENzm (ORCPT ); Thu, 5 Feb 2009 08:55:42 -0500 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: <20090118161041.40608174@infradead.org> References: <20090118161041.40608174@infradead.org> <1231887933-17843-1-git-send-email-zbr@ioremap.net> <1231887933-17843-2-git-send-email-zbr@ioremap.net> <1231887933-17843-3-git-send-email-zbr@ioremap.net> <1231887933-17843-4-git-send-email-zbr@ioremap.net> <1231887933-17843-5-git-send-email-zbr@ioremap.net> <20090114215810.674569fc.akpm@linux-foundation.org> To: Arjan van de Ven Cc: dhowells@redhat.com, Andrew Morton , Evgeniy Polyakov , Greg KH , linux-kernel@vger.kernel.org, dst@ioremap.net Subject: Re: [4/7] dst: thread pool. Date: Thu, 05 Feb 2009 13:55:27 +0000 Message-ID: <2892.1233842127@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Arjan van de Ven wrote: > > 2: David Howells' "slow work" infrastructure > > this one is *weird*. The infrastructure deals with object refcounting > somehow. The slow-work facility keeps a reference on the object you've asked it to call a function to be called upon until it has finished calling that function. This simplifies the object handling code a lot, and allows you to avoid slow-work synchronisation requests in object destructors. David