Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757065AbYCZQ6O (ORCPT ); Wed, 26 Mar 2008 12:58:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756712AbYCZQ57 (ORCPT ); Wed, 26 Mar 2008 12:57:59 -0400 Received: from fmmailgate03.web.de ([217.72.192.234]:44900 "EHLO fmmailgate03.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752484AbYCZQ56 (ORCPT ); Wed, 26 Mar 2008 12:57:58 -0400 From: Chr To: Alasdair G Kergon Subject: Re: [dm-crypt] INFO: task mount:11202 blocked for more than 120 seconds Date: Wed, 26 Mar 2008 17:57:53 +0100 User-Agent: KMail/1.9.9 Cc: Christian Kujau , Milan Broz , David Chinner , LKML , Ritesh Raj Sarraf , dm-devel@redhat.com, dm-crypt@saout.de, Herbert Xu References: <20080317173609.GD29322@agk.fab.redhat.com> In-Reply-To: <20080317173609.GD29322@agk.fab.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200803261757.54069.chunkeey@web.de> X-Provags-ID: V01U2FsdGVkX1+Bvu7xn7WW8XlgyQmrWQv00qybsPWQWqBoQqz5 zhaIqEDyRPWr8Kq38xFkJqiiLCGg90BJjiMuVWFRT1MqGIpm3p iXUdfbpLM= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1300 Lines: 38 On Monday 17 March 2008 18:36:09 Alasdair G Kergon wrote: > Latest version for everyone to try: > > From: Milan Broz > > Fix regression in dm-crypt introduced in commit > 3a7f6c990ad04e6f576a159876c602d14d6f7fef > (dm crypt: use async crypto). > > If write requests need to be split into pieces, the code must not > process them in parallel because the crypto context cannot be shared. > So there can be parallel crypto operations on one part of the write, > but only one write bio can be processed at a time. > > This is not optimal and the workqueue code need to be optimized for > parallel processing, but for now it solves problem without affecting > the performance of synchronous crypto operation (most of current > dm-crypt users). > > Signed-off-by: Milan Broz > Signed-off-by: Alasdair G Kergon > > [...] Is there already a new, optimized version? Or is it postponed and someone will _hopefully_ merge this patch into -rc7-gitX before we have a buggy mainline 2.6.25? Thanks, Chr -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/