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authorKevin Barnett <kevin.barnett@microsemi.com>2017-05-03 18:54:49 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2017-06-12 20:48:03 -0400
commit03b288cf3d92202b950245e931576bb573930c70 (patch)
tree28b1a6a17098ef64a516fc265340c26b089a5b7f /drivers/scsi/smartpqi
parent376fb880a4fbf6903918a88081b16c167819af3f (diff)
downloadlinux-03b288cf3d92202b950245e931576bb573930c70.tar.bz2
scsi: smartpqi: update device offline
- Improve handling of offline devices. Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/smartpqi')
-rw-r--r--drivers/scsi/smartpqi/smartpqi_init.c30
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 57ff80fba3f5..f36aaceacae4 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -285,6 +285,11 @@ static inline void pqi_ctrl_wait_until_quiesced(struct pqi_ctrl_info *ctrl_info)
usleep_range(1000, 2000);
}
+static inline bool pqi_device_offline(struct pqi_scsi_dev *device)
+{
+ return device->device_offline;
+}
+
static inline void pqi_device_reset_start(struct pqi_scsi_dev *device)
{
device->in_reset = true;
@@ -2399,15 +2404,17 @@ static inline void pqi_take_device_offline(struct scsi_device *sdev, char *path)
struct pqi_ctrl_info *ctrl_info;
struct pqi_scsi_dev *device;
- if (scsi_device_online(sdev)) {
- scsi_device_set_state(sdev, SDEV_OFFLINE);
- ctrl_info = shost_to_hba(sdev->host);
- schedule_delayed_work(&ctrl_info->rescan_work, 0);
- device = sdev->hostdata;
- dev_err(&ctrl_info->pci_dev->dev, "offlined %s scsi %d:%d:%d:%d\n",
- path, ctrl_info->scsi_host->host_no, device->bus,
- device->target, device->lun);
- }
+ device = sdev->hostdata;
+ if (device->device_offline)
+ return;
+
+ device->device_offline = true;
+ scsi_device_set_state(sdev, SDEV_OFFLINE);
+ ctrl_info = shost_to_hba(sdev->host);
+ pqi_schedule_rescan_worker(ctrl_info);
+ dev_err(&ctrl_info->pci_dev->dev, "offlined %s scsi %d:%d:%d:%d\n",
+ path, ctrl_info->scsi_host->host_no, device->bus,
+ device->target, device->lun);
}
static void pqi_process_raid_io_error(struct pqi_io_request *io_request)
@@ -4598,6 +4605,7 @@ static inline void pqi_schedule_bypass_retry(struct pqi_ctrl_info *ctrl_info)
static bool pqi_raid_bypass_retry_needed(struct pqi_io_request *io_request)
{
struct scsi_cmnd *scmd;
+ struct pqi_scsi_dev *device;
struct pqi_ctrl_info *ctrl_info;
if (!io_request->raid_bypass)
@@ -4609,6 +4617,10 @@ static bool pqi_raid_bypass_retry_needed(struct pqi_io_request *io_request)
if (host_byte(scmd->result) == DID_NO_CONNECT)
return false;
+ device = scmd->device->hostdata;
+ if (pqi_device_offline(device))
+ return false;
+
ctrl_info = shost_to_hba(scmd->device->host);
if (pqi_ctrl_offline(ctrl_info))
return false;