[SCSI] libsas: export sas_alloc_task()
Now that isci has added a 3rd open coded user of this functionality just
share the libsas version.
Acked-by: Jack Wang <jack_wang@usish.com>
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 d6bcdd0..e2d9418 100644
--- a/drivers/scsi/isci/task.c
+++ b/drivers/scsi/isci/task.c
@@ -1345,29 +1345,6 @@
complete(&task->completion);
}
-static struct sas_task *isci_alloc_task(void)
-{
- struct sas_task *task = kzalloc(sizeof(*task), GFP_KERNEL);
-
- if (task) {
- INIT_LIST_HEAD(&task->list);
- spin_lock_init(&task->task_state_lock);
- task->task_state_flags = SAS_TASK_STATE_PENDING;
- init_timer(&task->timer);
- init_completion(&task->completion);
- }
-
- return task;
-}
-
-static void isci_free_task(struct isci_host *ihost, struct sas_task *task)
-{
- if (task) {
- BUG_ON(!list_empty(&task->list));
- kfree(task);
- }
-}
-
static int isci_smp_execute_task(struct isci_host *ihost,
struct domain_device *dev, void *req,
int req_size, void *resp, int resp_size)
@@ -1376,7 +1353,7 @@
struct sas_task *task = NULL;
for (retry = 0; retry < 3; retry++) {
- task = isci_alloc_task();
+ task = sas_alloc_task(GFP_KERNEL);
if (!task)
return -ENOMEM;
@@ -1439,13 +1416,13 @@
SAS_ADDR(dev->sas_addr),
task->task_status.resp,
task->task_status.stat);
- isci_free_task(ihost, task);
+ sas_free_task(task);
task = NULL;
}
}
ex_err:
BUG_ON(retry == 3 && task != NULL);
- isci_free_task(ihost, task);
+ sas_free_task(task);
return res;
}