From: Hannes Reinecke <hare@suse.de>
To: James Bottomley <jbottomley@parallels.com>
Cc: Christoph Hellwig <hch@lst.de>,
linux-scsi@vger.kernel.org, Hannes Reinecke <hare@suse.de>
Subject: [PATCH 13/17] scsi_dh_alua: revert commit a8e5a2d593cbfccf530c3382c2c328d2edaa7b66
Date: Mon, 4 May 2015 14:42:19 +0200 [thread overview]
Message-ID: <1430743343-47174-14-git-send-email-hare@suse.de> (raw)
In-Reply-To: <1430743343-47174-1-git-send-email-hare@suse.de>
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
next prev parent reply other threads:[~2015-05-04 12:42 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-04 12:42 [PATCH 00/17] asynchronous ALUA device handler Hannes Reinecke
2015-05-04 12:42 ` [PATCH 01/17] scsi_dh: return individual errors in scsi_dh_activate() Hannes Reinecke
2015-05-07 11:34 ` Bart Van Assche
2015-05-11 6:34 ` Christoph Hellwig
2015-05-04 12:42 ` [PATCH 02/17] scsi_dh_alua: Disable ALUA handling for non-disk devices Hannes Reinecke
2015-05-07 11:34 ` Bart Van Assche
2015-05-11 6:46 ` Christoph Hellwig
2015-05-11 10:25 ` Hannes Reinecke
2015-05-11 11:34 ` Christoph Hellwig
2015-05-11 11:55 ` Hannes Reinecke
2015-05-11 12:19 ` Christoph Hellwig
2015-05-04 12:42 ` [PATCH 03/17] scsi_dh_alua: Use vpd_pg83 information Hannes Reinecke
2015-05-07 11:41 ` Bart Van Assche
2015-05-07 11:50 ` Hannes Reinecke
2015-05-11 6:48 ` Christoph Hellwig
2015-05-11 10:11 ` Hannes Reinecke
2015-05-04 12:42 ` [PATCH 04/17] scsi_dh_alua: Improve error handling Hannes Reinecke
2015-05-07 11:48 ` Bart Van Assche
2015-05-07 11:52 ` Hannes Reinecke
2015-05-11 13:19 ` Hannes Reinecke
2015-05-04 12:42 ` [PATCH 05/17] scsi: remove scsi_show_sense_hdr() Hannes Reinecke
2015-05-07 11:49 ` Bart Van Assche
2015-05-11 6:49 ` Christoph Hellwig
2015-05-04 12:42 ` [PATCH 06/17] scsi_dh_alua: use flag for RTPG extended header Hannes Reinecke
2015-05-07 11:52 ` Bart Van Assche
2015-05-11 6:50 ` Christoph Hellwig
2015-05-04 12:42 ` [PATCH 07/17] scsi_dh_alua: Pass buffer as function argument Hannes Reinecke
2015-05-07 11:57 ` Bart Van Assche
2015-05-11 6:51 ` Christoph Hellwig
2015-05-04 12:42 ` [PATCH 08/17] scsi_dh_alua: Make stpg synchronous Hannes Reinecke
2015-05-07 12:18 ` Bart Van Assche
2015-05-07 13:36 ` Hannes Reinecke
2015-05-11 6:55 ` Christoph Hellwig
2015-05-11 9:59 ` Hannes Reinecke
2015-05-11 13:50 ` Christoph Hellwig
2015-05-11 13:59 ` Hannes Reinecke
2015-05-04 12:42 ` [PATCH 09/17] scsi_dh_alua: switch to scsi_execute() Hannes Reinecke
2015-05-06 9:26 ` Christoph Hellwig
2015-05-06 9:58 ` Hannes Reinecke
2015-05-04 12:42 ` [PATCH 10/17] scsi_dh_alua: Use separate alua_port_group structure Hannes Reinecke
2015-05-07 12:34 ` Bart Van Assche
2015-05-07 13:36 ` Bart Van Assche
2015-05-07 13:46 ` Hannes Reinecke
2015-05-07 13:37 ` Hannes Reinecke
2015-05-11 12:32 ` Christoph Hellwig
2015-05-11 12:36 ` Hannes Reinecke
2015-05-04 12:42 ` [PATCH 11/17] scsi_dh_alua: simplify sense code handling Hannes Reinecke
2015-05-11 6:58 ` Christoph Hellwig
2015-05-11 14:52 ` Hannes Reinecke
2015-05-12 8:20 ` Christoph Hellwig
2015-05-04 12:42 ` [PATCH 12/17] scsi_dh_alua: parse target device id Hannes Reinecke
2015-05-04 12:42 ` Hannes Reinecke [this message]
2015-05-11 7:00 ` [PATCH 13/17] scsi_dh_alua: revert commit a8e5a2d593cbfccf530c3382c2c328d2edaa7b66 Christoph Hellwig
2015-05-11 10:00 ` Hannes Reinecke
2015-05-04 12:42 ` [PATCH 14/17] scsi_dh_alua: Use workqueue for RTPG Hannes Reinecke
2015-05-11 13:49 ` Christoph Hellwig
2015-05-11 13:59 ` Hannes Reinecke
2015-05-12 8:16 ` Christoph Hellwig
2015-05-13 9:10 ` Hannes Reinecke
2015-05-04 12:42 ` [PATCH 15/17] scsi_dh_alua: Recheck state on unit attention Hannes Reinecke
2015-05-04 12:42 ` [PATCH 16/17] scsi_dh_alua: update all port states Hannes Reinecke
2015-05-04 12:42 ` [PATCH 17/17] scsi_dh_alua: Update version to 2.0 Hannes Reinecke
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