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authorHannes Reinecke <hare@suse.de>2016-02-19 11:16:58 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-02-24 05:27:02 +0300
commitd42ae5f338946928db7c7af23c6bdd7969a43487 (patch)
tree9e3889700c9d7a71841e9103de00888525b16144 /drivers/scsi/device_handler
parente8c61ecc1b1658f887e74a5be2cb9f9b79baa325 (diff)
downloadlinux-d42ae5f338946928db7c7af23c6bdd7969a43487.tar.xz
scsi_dh_alua: Pass buffer as function argument
Pass in the buffer as a function argument for submit_rtpg(). Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/device_handler')
-rw-r--r--drivers/scsi/device_handler/scsi_dh_alua.c13
1 files 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 5a328bf81836..df71e8523add 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)) {