From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39001) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y3yNy-0002Zy-Gf for qemu-devel@nongnu.org; Wed, 24 Dec 2014 21:42:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Y3yNv-0007KN-9N for qemu-devel@nongnu.org; Wed, 24 Dec 2014 21:42:46 -0500 Received: from mx1.redhat.com ([209.132.183.28]:51428) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y3yNv-0007K7-23 for qemu-devel@nongnu.org; Wed, 24 Dec 2014 21:42:43 -0500 Date: Thu, 25 Dec 2014 10:42:32 +0800 From: Fam Zheng Message-ID: <20141225024232.GA6064@ad.nay.redhat.com> References: <549B6EFA.3010603@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <549B6EFA.3010603@huawei.com> Subject: Re: [Qemu-devel] [question] block: do we have any consideration about adding retry support in error handling? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Bin Wu Cc: Kevin Wolf , "pbonzini@redhat.com >> Paolo Bonzini" , qemu-devel@nongnu.org, Stefan Hajnoczi On Thu, 12/25 09:57, Bin Wu wrote: > Hi, > > When IO error happens in physical device, qemu block layer supports error > reporting, error ignoring and error stoping(for example, virtio-blk). Can we > have any way to resend the error IO? With error stop, the request is retried after resume. Fam