From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752373Ab1GUH1S (ORCPT ); Thu, 21 Jul 2011 03:27:18 -0400 Received: from [95.166.99.235] ([95.166.99.235]:33754 "EHLO kernel.dk" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751717Ab1GUH1R (ORCPT ); Thu, 21 Jul 2011 03:27:17 -0400 Message-ID: <4E27D4CA.8020900@kernel.dk> Date: Thu, 21 Jul 2011 09:27:06 +0200 From: Jens Axboe MIME-Version: 1.0 To: Mikulas Patocka CC: "Alasdair G. Kergon" , dm-devel@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] backing-dev: use synchronize_rcu_expedited instead of synchronize_rcu References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2011-07-21 02:29, Mikulas Patocka wrote: > Hi Jens > > Please would you consider taking this into the block tree? It seems to > speed up device deletion enormously. Sure, looks like a good fix. Reminds me of a similar problem we had in block core. -- Jens Axboe