From patchwork Mon Jan 2 15:40:47 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 133862 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 42C4C1007D2 for ; Tue, 3 Jan 2012 02:40:58 +1100 (EST) Received: from localhost ([::1]:60019 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rhk0N-0005Nc-8O for incoming@patchwork.ozlabs.org; Mon, 02 Jan 2012 10:40:55 -0500 Received: from eggs.gnu.org ([140.186.70.92]:47477) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rhk0I-0005NM-0L for qemu-devel@nongnu.org; Mon, 02 Jan 2012 10:40:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rhk0F-00005o-VU for qemu-devel@nongnu.org; Mon, 02 Jan 2012 10:40:49 -0500 Received: from verein.lst.de ([213.95.11.211]:33960 helo=newverein.lst.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rhk0F-00005i-Pf for qemu-devel@nongnu.org; Mon, 02 Jan 2012 10:40:47 -0500 Received: by newverein.lst.de (Postfix, from userid 2407) id 861DD14695; Mon, 2 Jan 2012 16:40:47 +0100 (CET) Date: Mon, 2 Jan 2012 16:40:47 +0100 From: Christoph Hellwig To: Stefan Hajnoczi Message-ID: <20120102154047.GA22925@lst.de> References: <1313152395-25248-1-git-send-email-morita.kazutaka@lab.ntt.co.jp> <20111223133850.GA12770@lst.de> <20111229120626.GA32331@lst.de> <20111230103500.GA1740@stefanha-thinkpad.localdomain> <20120102153959.GA22823@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20120102153959.GA22823@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 213.95.11.211 Cc: kwolf@redhat.com, sheepdog@lists.wpkg.org, Christoph Hellwig , MORITA Kazutaka , qemu-devel@nongnu.org Subject: Re: [Qemu-devel] coroutine bug?, was Re: [PATCH] sheepdog: use coroutines X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Forgot to attach the "go-fast" patch required to reproduce the issue on slow storage: Index: sheepdog/sheep/simple_store.c =================================================================== --- sheepdog.orig/sheep/simple_store.c 2011-12-29 20:10:44.171622413 +0100 +++ sheepdog/sheep/simple_store.c 2012-01-02 16:23:39.759957971 +0100 @@ -30,7 +30,7 @@ extern char *obj_path; extern mode_t def_fmode; -static int def_store_flags = O_DSYNC | O_RDWR; +static int def_store_flags = O_RDWR; struct store_driver store;