From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756582AbZEJTFb (ORCPT ); Sun, 10 May 2009 15:05:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753368AbZEJTFW (ORCPT ); Sun, 10 May 2009 15:05:22 -0400 Received: from verein.lst.de ([213.95.11.210]:47593 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752650AbZEJTFV (ORCPT ); Sun, 10 May 2009 15:05:21 -0400 Date: Sun, 10 May 2009 21:05:05 +0200 From: Christoph Hellwig To: Geert Uytterhoeven Cc: Benjamin Herrenschmidt , linux-fbdev-devel@lists.sourceforge.net, cbe-oss-dev@ozlabs.org, Jim Paris , linux-kernel@vger.kernel.org Subject: Re: [Cbe-oss-dev] [PATCH 04/15] ps3vram: Replace mutex by spinlock + list Message-ID: <20090510190505.GA23535@lst.de> References: <1241791284-11490-1-git-send-email-Geert.Uytterhoeven@sonycom.com> <1241791284-11490-2-git-send-email-Geert.Uytterhoeven@sonycom.com> <1241791284-11490-3-git-send-email-Geert.Uytterhoeven@sonycom.com> <1241791284-11490-4-git-send-email-Geert.Uytterhoeven@sonycom.com> <1241791284-11490-5-git-send-email-Geert.Uytterhoeven@sonycom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1241791284-11490-5-git-send-email-Geert.Uytterhoeven@sonycom.com> User-Agent: Mutt/1.3.28i X-Spam-Score: -0.127 () BAYES_20 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 08, 2009 at 04:01:13PM +0200, Geert Uytterhoeven wrote: > Remove the mutex serializing access to the cache. > Instead, queue up new requests on a list if the driver is busy. This should use the bio list helpers moved into bio.h in commit 8f3d8ba20e67991b531e9c0227dcd1f99271a32c