From patchwork Thu Sep 13 12:15:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Lei X-Patchwork-Id: 10599401 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EDC1C17DF for ; Thu, 13 Sep 2018 12:17:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DEECE2AABD for ; Thu, 13 Sep 2018 12:17:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D30472AAC0; Thu, 13 Sep 2018 12:17:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8449B2AAC2 for ; Thu, 13 Sep 2018 12:17:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727795AbeIMR0V (ORCPT ); Thu, 13 Sep 2018 13:26:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45156 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727300AbeIMR0V (ORCPT ); Thu, 13 Sep 2018 13:26:21 -0400 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 35F9C99D39; Thu, 13 Sep 2018 12:17:09 +0000 (UTC) Received: from localhost (ovpn-8-34.pek2.redhat.com [10.72.8.34]) by smtp.corp.redhat.com (Postfix) with ESMTP id BE3B02010CF7; Thu, 13 Sep 2018 12:17:04 +0000 (UTC) From: Ming Lei To: Jens Axboe Cc: linux-block@vger.kernel.org, Ming Lei , Alan Stern , Christoph Hellwig , Bart Van Assche , Jianchao Wang , Hannes Reinecke , Johannes Thumshirn , Adrian Hunter , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org Subject: [PATCH V3 14/17] SCSI: transport_spi: resume a quiesced device Date: Thu, 13 Sep 2018 20:15:43 +0800 Message-Id: <20180913121546.5710-15-ming.lei@redhat.com> In-Reply-To: <20180913121546.5710-1-ming.lei@redhat.com> References: <20180913121546.5710-1-ming.lei@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.25 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 13 Sep 2018 12:17:09 +0000 (UTC) Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We have to preempt freeze queue in scsi_device_quiesce(), and unfreeze in scsi_device_resume(), so call scsi_device_resume() for the device which is quiesced by scsi_device_quiesce(). Cc: Alan Stern Cc: Christoph Hellwig Cc: Bart Van Assche Cc: Jianchao Wang Cc: Hannes Reinecke Cc: Johannes Thumshirn Cc: Adrian Hunter Cc: "James E.J. Bottomley" Cc: "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org Signed-off-by: Ming Lei --- drivers/scsi/scsi_transport_spi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 40b85b752b79..e4174e8137a8 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -1052,6 +1052,9 @@ spi_dv_device(struct scsi_device *sdev) scsi_target_resume(starget); + /* undo what scsi_device_quiesce() did */ + scsi_device_resume(sdev); + spi_initial_dv(starget) = 1; out_free: