From patchwork Tue Dec 8 07:37:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 7795371 Return-Path: X-Original-To: patchwork-linux-scsi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id EE0D1BEEE1 for ; Tue, 8 Dec 2015 07:38:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F36A320524 for ; Tue, 8 Dec 2015 07:38:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B1CFC204AE for ; Tue, 8 Dec 2015 07:38:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933249AbbLHHiS (ORCPT ); Tue, 8 Dec 2015 02:38:18 -0500 Received: from mx2.suse.de ([195.135.220.15]:46088 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933094AbbLHHhp (ORCPT ); Tue, 8 Dec 2015 02:37:45 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 8F864AC01; Tue, 8 Dec 2015 07:37:41 +0000 (UTC) From: Hannes Reinecke To: "Martin K. Petersen" Cc: James Bottomley , Christoph Hellwig , Ewan Milne , Bart van Assche , linux-scsi@vger.kernel.org, Hannes Reinecke Subject: [PATCH 01/20] scsi_dh_alua: Pass buffer as function argument Date: Tue, 8 Dec 2015 08:37:21 +0100 Message-Id: <1449560260-53407-2-git-send-email-hare@suse.de> X-Mailer: git-send-email 1.8.5.6 In-Reply-To: <1449560260-53407-1-git-send-email-hare@suse.de> References: <1449560260-53407-1-git-send-email-hare@suse.de> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Pass in the buffer as a function argument for submit_rtpg(). Reviewed-by: Martin K. Petersen Reviewed-by: Christoph Hellwig Reviewed-by: Bart Van Assche Signed-off-by: Hannes Reinecke --- drivers/scsi/device_handler/scsi_dh_alua.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 5a328bf..df71e85 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -135,12 +135,13 @@ static struct request *get_alua_req(struct scsi_device *sdev, * submit_rtpg - Issue a REPORT TARGET GROUP STATES command * @sdev: sdev the command should be sent to */ -static unsigned submit_rtpg(struct scsi_device *sdev, struct alua_dh_data *h) +static unsigned submit_rtpg(struct scsi_device *sdev, unsigned char *buff, + int bufflen, unsigned char *sense, int flags) { struct request *rq; int err = 0; - rq = get_alua_req(sdev, h->buff, h->bufflen, READ); + rq = get_alua_req(sdev, buff, bufflen, READ); if (!rq) { err = DRIVER_BUSY << 24; goto done; @@ -148,14 +149,14 @@ static unsigned submit_rtpg(struct scsi_device *sdev, struct alua_dh_data *h) /* Prepare the command. */ rq->cmd[0] = MAINTENANCE_IN; - if (!(h->flags & ALUA_RTPG_EXT_HDR_UNSUPP)) + if (!(flags & ALUA_RTPG_EXT_HDR_UNSUPP)) rq->cmd[1] = MI_REPORT_TARGET_PGS | MI_EXT_HDR_PARAM_FMT; else rq->cmd[1] = MI_REPORT_TARGET_PGS; - put_unaligned_be32(h->bufflen, &rq->cmd[6]); + put_unaligned_be32(bufflen, &rq->cmd[6]); rq->cmd_len = COMMAND_SIZE(MAINTENANCE_IN); - rq->sense = h->sense; + rq->sense = sense; memset(rq->sense, 0, SCSI_SENSE_BUFFERSIZE); rq->sense_len = 0; @@ -446,7 +447,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h, int wait_ expiry = round_jiffies_up(jiffies + h->transition_tmo * HZ); retry: - retval = submit_rtpg(sdev, h); + retval = submit_rtpg(sdev, h->buff, h->bufflen, h->sense, h->flags); if (retval) { if (!scsi_normalize_sense(h->sense, SCSI_SENSE_BUFFERSIZE, &sense_hdr)) {