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author | Dan Williams <dan.j.williams@intel.com> | 2011-03-07 14:47:35 -0800 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2011-07-03 03:55:29 -0700 |
commit | 8acaec1593526f922ff46812d99abf9aab5c8b43 (patch) | |
tree | dedc522419c5f9380d60138dbb20af5ca51a2dca /drivers/scsi/isci/remote_device.h | |
parent | 3a97eec6d7876c541950e23811efd40e0bcd04a0 (diff) | |
download | op-kernel-dev-8acaec1593526f922ff46812d99abf9aab5c8b43.zip op-kernel-dev-8acaec1593526f922ff46812d99abf9aab5c8b43.tar.gz |
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>
Diffstat (limited to 'drivers/scsi/isci/remote_device.h')
-rw-r--r-- | drivers/scsi/isci/remote_device.h | 22 |
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); |