[PATCH 13/17] scsi_dh_alua: revert commit a8e5a2d593cbfccf530c3382c2c328d2edaa7b66

Hannes Reinecke
2015-05-04T12:42:41Z

Obsoleted by the next patch.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/device_handler/scsi_dh_alua.c | 22 ++++++++--------------
1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 2dd9578..2a5e2b2 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -502,13 +502,12 @@ static int alua_check_sense(struct scsi_device *sdev,
/*
* alua_rtpg - Evaluate REPORT TARGET GROUP STATES
* @sdev: the device to be evaluated.
- * @wait_for_transition: if nonzero, wait ALUA_FAILOVER_TIMEOUT seconds for device to exit transitioning state
*
* Evaluate the Target Port Group State.
* Returns SCSI_DH_DEV_OFFLINED if the path is
* found to be unusable.
*/
-static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg, int wait_for_transition)
+static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
{
unsigned char sense[SCSI_SENSE_BUFFERSIZE];
struct scsi_sense_hdr sense_hdr;
@@ -592,7 +591,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg, int w
else
pg->transition_tmo = ALUA_FAILOVER_TIMEOUT;

- if (wait_for_transition && (orig_transition_tmo != pg->transition_tmo)) {
+ if (orig_transition_tmo != pg->transition_tmo) {
sdev_printk(KERN_INFO, sdev,
"%s: transition timeout set to %d seconds\n",
ALUA_DH_NAME, pg->transition_tmo);
@@ -630,19 +629,14 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg, int w

switch (pg->state) {
case TPGS_STATE_TRANSITIONING:
- if (wait_for_transition) {
- if (time_before(jiffies, expiry)) {
- /* State transition, retry */
- interval += 2000;
- msleep(interval);
- goto retry;
- }
- err = SCSI_DH_RETRY;
- } else {
- err = SCSI_DH_OK;
+ if (time_before(jiffies, expiry)) {
+ /* State transition, retry */
+ interval += 2000;
+ msleep(interval);
+ goto retry;
}
-
/* Transitioning time exceeded, set port to standby */
+ err = SCSI_DH_RETRY;
pg->state = TPGS_STATE_STANDBY;
break;
case TPGS_STATE_OFFLINE:
--
1.8.5.2