[5/5] infiniband: rxe: convert tasklets to use new tasklet_setup() API

Commit Message

Allen Aug. 17, 2020, 8:28 a.m. UTC

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <[e-mail]>
Signed-off-by: Allen Pais <[e-mail]>
---
 drivers/infiniband/sw/rxe/rxe_cq.c   | 6 +++---
 drivers/infiniband/sw/rxe/rxe_task.c | 8 ++++----
 drivers/infiniband/sw/rxe/rxe_task.h | 2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_cq.c b/drivers/infiniband/sw/rxe/rxe_cq.c
index ad3090131126..f232fd03d19a 100644
--- a/drivers/infiniband/sw/rxe/rxe_cq.c
+++ b/drivers/infiniband/sw/rxe/rxe_cq.c
@@ -66,9 +66,9 @@  int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq,
 	return -EINVAL;
 }
 
-static void rxe_send_complete(unsigned long data)
+static void rxe_send_complete(struct tasklet_struct *t)
 {
-	struct rxe_cq *cq = (struct rxe_cq *)data;
+	struct rxe_cq *cq = from_tasklet(cq, t, comp_task);
 	unsigned long flags;
 
 	spin_lock_irqsave(&cq->cq_lock, flags);
@@ -107,7 +107,7 @@  int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe,
 
 	cq->is_dying = false;
 
-	tasklet_init(&cq->comp_task, rxe_send_complete, (unsigned long)cq);
+	tasklet_setup(&cq->comp_task, rxe_send_complete);
 
 	spin_lock_init(&cq->cq_lock);
 	cq->ibcq.cqe = cqe;
diff --git a/drivers/infiniband/sw/rxe/rxe_task.c b/drivers/infiniband/sw/rxe/rxe_task.c
index 08f05ac5f5d5..f7c944d2f987 100644
--- a/drivers/infiniband/sw/rxe/rxe_task.c
+++ b/drivers/infiniband/sw/rxe/rxe_task.c
@@ -55,12 +55,12 @@  int __rxe_do_task(struct rxe_task *task)
  * a second caller finds the task already running
  * but looks just after the last call to func
  */
-void rxe_do_task(unsigned long data)
+void rxe_do_task(struct tasklet_struct *t)
 {
 	int cont;
 	int ret;
 	unsigned long flags;
-	struct rxe_task *task = (struct rxe_task *)data;
+	struct rxe_task *task = from_tasklet(task, t, tasklet);
 
 	spin_lock_irqsave(&task->state_lock, flags);
 	switch (task->state) {
@@ -123,7 +123,7 @@  int rxe_init_task(void *obj, struct rxe_task *task,
 	snprintf(task->name, sizeof(task->name), "%s", name);
 	task->destroyed	= false;
 
-	tasklet_init(&task->tasklet, rxe_do_task, (unsigned long)task);
+	tasklet_setup(&task->tasklet, rxe_do_task);
 
 	task->state = TASK_STATE_START;
 	spin_lock_init(&task->state_lock);
@@ -159,7 +159,7 @@  void rxe_run_task(struct rxe_task *task, int sched)
 	if (sched)
 		tasklet_schedule(&task->tasklet);
 	else
-		rxe_do_task((unsigned long)task);
+		rxe_do_task(&task->tasklet);
 }
 
 void rxe_disable_task(struct rxe_task *task)
diff --git a/drivers/infiniband/sw/rxe/rxe_task.h b/drivers/infiniband/sw/rxe/rxe_task.h
index 08ff42d451c6..f69fbb2dd09f 100644
--- a/drivers/infiniband/sw/rxe/rxe_task.h
+++ b/drivers/infiniband/sw/rxe/rxe_task.h
@@ -80,7 +80,7 @@  int __rxe_do_task(struct rxe_task *task);
  * work to do someone must reschedule the task before
  * leaving
  */
-void rxe_do_task(unsigned long data);
+void rxe_do_task(struct tasklet_struct *t);
 
 /* run a task, else schedule it to run as a tasklet, The decision
  * to run or schedule tasklet is based on the parameter sched.