From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932273AbZHNL05 (ORCPT ); Fri, 14 Aug 2009 07:26:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932169AbZHNL0y (ORCPT ); Fri, 14 Aug 2009 07:26:54 -0400 Received: from mtagate8.de.ibm.com ([195.212.29.157]:42263 "EHLO mtagate8.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932074AbZHNL0r (ORCPT ); Fri, 14 Aug 2009 07:26:47 -0400 Message-Id: <20090814112614.671701262@de.ibm.com> References: <20090814112517.982007860@de.ibm.com> User-Agent: quilt/0.46-1 Date: Fri, 14 Aug 2009 13:25:26 +0200 From: Martin Schwidefsky To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Heiko Carstens , Stefan Weinhuber Subject: [patch 09/34] dasd: fail requests when device state is less then ready Content-Disposition: inline; filename=108-dasd-fail-request.diff Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stefan Weinhuber A DASD device that is not ready or online has no defined disk layout, so all requests that arrive in such a state need to be returned as failed. Signed-off-by: Stefan Weinhuber --- drivers/s390/block/dasd.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: quilt-2.6/drivers/s390/block/dasd.c =================================================================== --- quilt-2.6.orig/drivers/s390/block/dasd.c +++ quilt-2.6/drivers/s390/block/dasd.c @@ -1699,8 +1699,11 @@ static void __dasd_process_request_queue * for that. State DASD_STATE_ONLINE is normal block device * operation. */ - if (basedev->state < DASD_STATE_READY) + if (basedev->state < DASD_STATE_READY) { + while ((req = blk_fetch_request(block->request_queue))) + __blk_end_request_all(req, -EIO); return; + } /* Now we try to fetch requests from the request queue */ while (!blk_queue_plugged(queue) && (req = blk_peek_request(queue))) { if (basedev->features & DASD_FEATURE_READONLY && -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.