[SCSI] libsas: remove ata_port.lock management duties from lldds
Each libsas driver (mvsas, pm8001, and isci) has invented a different
method for managing the ap->lock. The lock is held by the ata
->queuecommand() path. mvsas drops it prior to acquiring any internal
locks which allows it to hold its internal lock across calls to
task->task_done(). This capability is important as it is the only way
the driver can flush task->task_done() instances to guarantee that it no
longer has any in-flight references to a domain_device at
->lldd_dev_gone() time.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c
index f5a3f7d..4bd88ef 100644
--- a/drivers/scsi/isci/task.c
+++ b/drivers/scsi/isci/task.c
@@ -96,8 +96,7 @@
__func__, task, response, status);
task->lldd_task = NULL;
-
- isci_execpath_callback(ihost, task, task->task_done);
+ task->task_done(task);
break;
case isci_perform_aborted_io_completion:
@@ -117,8 +116,7 @@
"%s: Error - task = %p, response=%d, "
"status=%d\n",
__func__, task, response, status);
-
- isci_execpath_callback(ihost, task, sas_task_abort);
+ sas_task_abort(task);
break;
default: