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authorHannes Reinecke <hare@suse.de>2015-07-06 14:41:53 +0300
committerJames Bottomley <JBottomley@Odin.com>2015-08-26 17:19:57 +0300
commit14c3e677df9fa2e4bf87b9de683452fc140934b2 (patch)
tree7e7f5392ec6e0f53b46027d5af52c046863c2a8a /drivers/scsi/scsi_lib.c
parente819cdb198319cccf4af4fc12ac4d796109d8c23 (diff)
downloadlinux-14c3e677df9fa2e4bf87b9de683452fc140934b2.tar.xz
scsi: Add ALUA state change UA handling
Log the ALUA state change unit attention correctly with the message log and emit an event to allow user-space tools to react to it. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
-rw-r--r--drivers/scsi/scsi_lib.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index dffa91c67f5b..882864f5cbae 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2712,6 +2712,9 @@ static void scsi_evt_emit(struct scsi_device *sdev, struct scsi_event *evt)
case SDEV_EVT_LUN_CHANGE_REPORTED:
envp[idx++] = "SDEV_UA=REPORTED_LUNS_DATA_HAS_CHANGED";
break;
+ case SDEV_EVT_ALUA_STATE_CHANGE_REPORTED:
+ envp[idx++] = "SDEV_UA=ASYMMETRIC_ACCESS_STATE_CHANGED";
+ break;
default:
/* do nothing */
break;
@@ -2815,6 +2818,7 @@ struct scsi_event *sdev_evt_alloc(enum scsi_device_event evt_type,
case SDEV_EVT_SOFT_THRESHOLD_REACHED_REPORTED:
case SDEV_EVT_MODE_PARAMETER_CHANGE_REPORTED:
case SDEV_EVT_LUN_CHANGE_REPORTED:
+ case SDEV_EVT_ALUA_STATE_CHANGE_REPORTED:
default:
/* do nothing */
break;