From patchwork Mon Sep 14 11:56:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Stefan Haberland X-Patchwork-Id: 11773673 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A886E59D for ; Mon, 14 Sep 2020 12:38:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81B5E207EA for ; Mon, 14 Sep 2020 12:38:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="ZA94u7eL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726530AbgINMiU (ORCPT ); Mon, 14 Sep 2020 08:38:20 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:54398 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726183AbgINMg5 (ORCPT ); Mon, 14 Sep 2020 08:36:57 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 08EBfmNb001619; Mon, 14 Sep 2020 07:56:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-type : content-transfer-encoding; s=pp1; bh=5Fv8kTlNA8GN8jW9Iq4dhFANuKdCe5Yzvf+1bvyv1nw=; b=ZA94u7eLnBKk6SAJNd4dHDd/vizukt4OJDCeo8GJNSLkQCO8VwLi8WWlN+RvtSrRhGiQ 8A7mbih5oXs7TQMoK1wXkksS+tYaUjB/V4T6eJrpFp4wzQ5yeC8vFDGUwZN2UKvDYpL3 dYr3DgII0vj5QIQQMphLO/ncRTdjYGkjJ9UWS/o2mup2SVE1QRePiwgK0DxGqaNbgdYc dS4Wtv1iDtsere7O6JRL0Y9IGkLPypxkVrdYH9DYPmN7ilpoVBU6o2ner1z6mTzAXMQc Lw0tNNCP1yv5Ax+GtRn1qxWzT0D0mSjQ+zLrh3K0RU9DP2agKv2jKKcUhyza0WXZp/uJ Jw== Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0b-001b2d01.pphosted.com with ESMTP id 33j7v50cr7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Sep 2020 07:56:52 -0400 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 08EBr97o015057; Mon, 14 Sep 2020 11:56:51 GMT Received: from b06avi18626390.portsmouth.uk.ibm.com (b06avi18626390.portsmouth.uk.ibm.com [9.149.26.192]) by ppma06ams.nl.ibm.com with ESMTP id 33hb1j19a0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Sep 2020 11:56:50 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 08EBtENl19333396 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 14 Sep 2020 11:55:14 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 284D54C046; Mon, 14 Sep 2020 11:56:48 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 14A324C040; Mon, 14 Sep 2020 11:56:48 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 14 Sep 2020 11:56:48 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 20191) id A1EA4E03DF; Mon, 14 Sep 2020 13:56:47 +0200 (CEST) From: Stefan Haberland To: axboe@kernel.dk Cc: linux-block@vger.kernel.org, hoeppner@linux.ibm.com, linux-s390@vger.kernel.org, heiko.carstens@de.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com Subject: [PATCH 0/1] DASD: fix discard for FBA devices Date: Mon, 14 Sep 2020 13:56:46 +0200 Message-Id: <20200914115647.94062-1-sth@linux.ibm.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-14_02:2020-09-10,2020-09-14 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 suspectscore=1 adultscore=0 mlxlogscore=465 mlxscore=0 phishscore=0 clxscore=1011 malwarescore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009140091 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Jens, please see the following patch that fixes zero writes for DASD FBA devices under certain conditions. Do you mind to take this for 5.9? Jan Höppner (1): s390/dasd: Fix zero write for FBA devices drivers/s390/block/dasd_fba.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)