From: Hannes Reinecke <hare@suse.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>, Ewan Milne <emilne@redhat.com>,
Bart van Assche <bart.vanassche@sandisk.com>,
James Bottomley <james.bottomley@hansenpartnership.com>,
linux-scsi@vger.kernel.org, Hannes Reinecke <hare@suse.de>
Subject: [PATCH 5/6] scsi_dh_emc: update 'access_state' field
Date: Tue, 1 Mar 2016 05:55:42 +0100 [thread overview]
Message-ID: <1456808143-88932-6-git-send-email-hare@suse.de> (raw)
In-Reply-To: <1456808143-88932-1-git-send-email-hare@suse.de>
Update the 'access_state' field of the SCSI device whenever
the path state changes.
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/device_handler/scsi_dh_emc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index e6fb97c..375d818 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -199,7 +199,12 @@ static int parse_sp_info_reply(struct scsi_device *sdev,
csdev->lun_state = csdev->buffer[4];
csdev->current_sp = csdev->buffer[8];
csdev->port = csdev->buffer[7];
-
+ if (csdev->lun_state == CLARIION_LUN_OWNED)
+ sdev->access_state = SCSI_ACCESS_STATE_OPTIMAL;
+ else
+ sdev->access_state = SCSI_ACCESS_STATE_STANDBY;
+ if (csdev->default_sp == csdev->current_sp)
+ sdev->access_state |= SCSI_ACCESS_STATE_PREFERRED;
out:
return err;
}
--
2.6.2
next prev parent reply other threads:[~2016-03-01 4:56 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-01 4:55 [PATCH 0/6] SCSI 'access_state' attribute Hannes Reinecke
2016-03-01 4:55 ` [PATCH 1/6] scsi: Add 'access_state' and 'preferred_path' attribute Hannes Reinecke
2016-03-01 7:08 ` Seymour, Shane M
2016-03-01 8:01 ` Hannes Reinecke
2016-03-01 13:06 ` Christoph Hellwig
2016-03-01 20:54 ` Bart Van Assche
2016-03-01 4:55 ` [PATCH 2/6] scsi_dh_alua: use common definitions for ALUA state Hannes Reinecke
2016-03-01 18:47 ` Bart Van Assche
2016-03-01 4:55 ` [PATCH 3/6] scsi_dh_alua: update 'access_state' field Hannes Reinecke
2016-03-01 4:55 ` [PATCH 4/6] scsi_dh_rdac: " Hannes Reinecke
2016-03-01 13:08 ` Christoph Hellwig
2016-03-01 4:55 ` Hannes Reinecke [this message]
2016-03-01 13:08 ` [PATCH 5/6] scsi_dh_emc: " Christoph Hellwig
2016-03-01 4:55 ` [PATCH 6/6] scsi_sysfs: call 'device_add' after attaching device handler Hannes Reinecke
2016-03-01 13:07 ` Christoph Hellwig
2016-03-01 18:51 ` Bart Van Assche
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