From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755878Ab1BNPqJ (ORCPT ); Mon, 14 Feb 2011 10:46:09 -0500 Received: from mail-bw0-f46.google.com ([209.85.214.46]:57710 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755835Ab1BNPqF (ORCPT ); Mon, 14 Feb 2011 10:46:05 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=Pe+8lzty0a3axzlQypoSgtAsmdCdY9eW7cMqPyocbNTv4TonQZbuEojedX+0Chkblc P7fwJJ0edHF5d7tT9Dde20IEOv4lhQy1U16Wpv3ieNtKMpxyY4BDNQUqwAmotbu7jCAA 2bQ3SllD8CXudthJnSz3nhz9HdsXLodpmUpTs= Date: Mon, 14 Feb 2011 16:46:01 +0100 From: Tejun Heo To: David Teigland Cc: Steven Whitehouse , Linus Torvalds , linux-kernel@vger.kernel.org Subject: Re: [GIT PULL] dlm fix for 2.6.38 Message-ID: <20110214154601.GS18742@htj.dyndns.org> References: <20110211233844.GC30276@redhat.com> <1297525475.2584.1.camel@dolmen> <20110212155100.GR3770@htj.dyndns.org> <20110214153844.GA6909@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110214153844.GA6909@redhat.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Mon, Feb 14, 2011 at 10:38:44AM -0500, David Teigland wrote: > find_lkb seems to be getting an actual, but wrong lkid, so it's returning > the wrong lkb in the receive routines. It happens fairly quickly with > multiple wq threads, but not at all with single. One suspect I'm going to > look at are the ls_stub and fields in the lockspace struct. I'm not > convinced extra send/recv threads give us that much benefit in practice, > so it's not my top priority at the moment. Hmmm... okay. At any rate, please use alloc[_ordered]_workqueue() interface. create[_singlethread]_workqueue() will be deprecated soon. Thanks. -- tejun