isci: kill "host quiesce" mechanism

The midlayer is already throttling i/o in the places where host_quiesce
was trying to prevent further i/o to the device.  It's also problematic
in that it holds a lock over GFP_KERNEL allocations.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 0 insertions, 22 deletions

diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h
index cd43c15..af03039 100644
--- a/drivers/scsi/isci/remote_device.h
+++ b/drivers/scsi/isci/remote_device.h
@@ -68,8 +68,6 @@ struct isci_remote_device {
 	struct list_head reqs_in_process;
 	struct work_struct stop_work;
 	spinlock_t state_lock;
-	spinlock_t host_quiesce_lock;
-	bool host_quiesce;
 };
 
 static inline struct scic_sds_remote_device *to_sci_dev(struct isci_remote_device *idev)
@@ -85,22 +83,6 @@ static inline struct scic_sds_remote_device *to_sci_dev(struct isci_remote_devic
 
 
 /**
- * This function gets the status of the remote_device object.
- * @isci_device: This parameter points to the isci_remote_device object
- *
- * status of the object as a isci_status enum.
- */
-static inline
-enum isci_status isci_remote_device_get_state(
-	struct isci_remote_device *isci_device)
-{
-	return (isci_device->host_quiesce)
-	       ? isci_host_quiesce
-	       : isci_device->status;
-}
-
-
-/**
  * isci_dev_from_domain_dev() - This accessor retrieves the remote_device
  *    object reference from the Linux domain_device reference.
  * @domdev,: This parameter points to the Linux domain_device object .
@@ -146,10 +128,6 @@ bool isci_device_is_reset_pending(
 void isci_device_clear_reset_pending(
 	struct isci_remote_device *isci_device);
 
-void isci_device_set_host_quiesce_lock_state(
-	struct isci_remote_device *isci_device,
-	bool lock_state);
-
 void isci_remote_device_change_state(
 	struct isci_remote_device *isci_device,
 	enum isci_status status);