From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: [PATCH 13/36] scsi_dh_alua: Pass buffer as function argument Date: Tue, 29 Sep 2015 12:47:15 +0200 Message-ID: <1443523658-87622-14-git-send-email-hare@suse.de> References: <1443523658-87622-1-git-send-email-hare@suse.de> Return-path: Received: from mx2.suse.de ([195.135.220.15]:41992 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934662AbbI2Kry (ORCPT ); Tue, 29 Sep 2015 06:47:54 -0400 In-Reply-To: <1443523658-87622-1-git-send-email-hare@suse.de> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: James Bottomley Cc: linux-scsi@vger.kernel.org, Christoph Hellwig , Bart van Assche , Ewan Milne , "Martin K. Petersen" , Hannes Reinecke 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 8571e57..63423b2 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -136,12 +136,13 @@ 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; @@ -149,14 +150,14 @@ 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; @@ -488,7 +489,7 @@ 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)) { -- 1.8.5.6