From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chandra Seetharaman Subject: Re: [PATCH]scsi_dh_rdac: Retry for Quiescence in Progress in rdac device handler Date: Mon, 26 Jan 2009 13:04:18 -0800 Message-ID: <1233003858.3759.15.camel@chandra-ubuntu> References: <0D1E8821739E724A86F4D16902CE275C13FF9AFFD6@inbmail01.lsi.com> Reply-To: sekharan@linux.vnet.ibm.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from e32.co.us.ibm.com ([32.97.110.150]:41371 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754473AbZAZVDD (ORCPT ); Mon, 26 Jan 2009 16:03:03 -0500 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by e32.co.us.ibm.com (8.13.1/8.13.1) with ESMTP id n0QL0xLw002234 for ; Mon, 26 Jan 2009 14:00:59 -0700 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v9.1) with ESMTP id n0QL31jO206524 for ; Mon, 26 Jan 2009 14:03:01 -0700 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n0QL2xcv016980 for ; Mon, 26 Jan 2009 14:03:01 -0700 In-Reply-To: <0D1E8821739E724A86F4D16902CE275C13FF9AFFD6@inbmail01.lsi.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: James Bottomley Cc: "linux-scsi@vger.kernel.org" , "dm-devel@redhat.com" , "Chauhan, Vijay" On Mon, 2009-01-26 at 21:29 +0530, Chauhan, Vijay wrote: > During device discovery read capacity fails with 0x068b02 and sets the device size to 0. As a reason any I/O submitted to this path gets killed at sd_prep_fn with BLKPREP_KILL. This patch is to retry for 0x068b02. Please apply. > > From: Vijay Chauhan > > This patch adds retry for Quiescence in Progress in rdac device handler. > > Signed-off-by: Vijay Chauhan Acked-by: Chandra Seetharaman > > --- > --- linux-2.6.29-rc2/drivers/scsi/device_handler/scsi_dh_rdac.c.orig 2009-01-26 20:46:05.000000000 +0530 > +++ linux-2.6.29-rc2/drivers/scsi/device_handler/scsi_dh_rdac.c 2009-01-26 20:47:34.000000000 +0530 > @@ -579,6 +579,11 @@ static int rdac_check_sense(struct scsi_ > * Power On, Reset, or Bus Device Reset, just retry. > */ > return ADD_TO_MLQUEUE; > + if (sense_hdr->asc == 0x8b && sense_hdr->ascq == 0x02) > + /* > + * Quiescence in progress , just retry. > + */ > + return ADD_TO_MLQUEUE; > break; > } > /* success just means we do not care what scsi-ml does */ > --