From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 071AFC49ED7 for ; Fri, 13 Sep 2019 22:47:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D47E5214D8 for ; Fri, 13 Sep 2019 22:47:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="ktdhGVN4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404163AbfIMWrt (ORCPT ); Fri, 13 Sep 2019 18:47:49 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:60888 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404024AbfIMWrt (ORCPT ); Fri, 13 Sep 2019 18:47:49 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x8DMdhCe030593; Fri, 13 Sep 2019 22:47:42 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2019-08-05; bh=XQBdn8URejM5X7vfjRpH4pKgGwioD1EvG7txGYNwdzQ=; b=ktdhGVN4kSmZZ4OkBXcP3iPJPDM5ENuGCFxV8Xc2Emqc20HZVmRrx1nBZd94a83W+6MD vY7s83bZ+IhoqIddCk3eF6P7iTrHDDe2aXE44d+NG6Shm8ItpEruOL0REaxrcui2Be0I p+iUuTWNMHuzPN7bX1AhFUr2Z+1HSPvWTm7X4X0mG9k100f0/ZBTAchEg2Sy/PpuXxEo ef6pCCcjMFfZqJcEBJV1e+RS4TaM+Oxi6rb6udaW9Kn+n2B7xaDoLvNPlEILTz95dQY3 RBXo3SwK3g5mVOrjDSU5hSgKUZp6VkFNqW10k5K9BaJ22VehjfyF2v08LxOMwLoZ8TLh bg== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 2uytd3q9a7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 13 Sep 2019 22:47:42 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x8DMdWxZ128809; Fri, 13 Sep 2019 22:47:42 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3030.oracle.com with ESMTP id 2v0cwk5qgm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 13 Sep 2019 22:47:42 +0000 Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x8DMlfxE008564; Fri, 13 Sep 2019 22:47:41 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 13 Sep 2019 15:47:40 -0700 To: Dexuan Cui Cc: KY Srinivasan , Haiyang Zhang , Stephen Hemminger , "sashal\@kernel.org" , "jejb\@linux.ibm.com" , "martin.petersen\@oracle.com" , "linux-hyperv\@vger.kernel.org" , "linux-scsi\@vger.kernel.org" , "linux-kernel\@vger.kernel.org" , Michael Kelley Subject: Re: [PATCH] scsi: storvsc: Add the support of hibernation From: "Martin K. Petersen" Organization: Oracle Corporation References: <1568244905-66625-1-git-send-email-decui@microsoft.com> Date: Fri, 13 Sep 2019 18:47:38 -0400 In-Reply-To: <1568244905-66625-1-git-send-email-decui@microsoft.com> (Dexuan Cui's message of "Wed, 11 Sep 2019 23:35:16 +0000") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9379 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=645 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909130222 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9379 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=711 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909130222 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Dexuan, > When we're in storvsc_suspend(), we're sure the SCSI layer has > quiesced the scsi device by scsi_bus_suspend() -> ... -> > scsi_device_quiesce(), so the low level SCSI adapter driver only needs > to suspend/resume its own state. Acked-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering