drbd: Consolidated the setup of the thread name into the framework

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

drivers/block/drbd/drbd_main.c

@@ -446,6 +446,9 @@ static int drbd_thread_setup(void *arg)
 	unsigned long flags;
 	int retval;
 
+	snprintf(current->comm, sizeof(current->comm), "drbd_%c_%s",
+		 thi->name[0], thi->mdev->tconn->name);
+
 restart:
 	retval = thi->function(thi);
 

drivers/block/drbd/drbd_receiver.c

@@ -4227,11 +4227,8 @@ static int drbd_do_auth(struct drbd_tconn *tconn)
 int drbdd_init(struct drbd_thread *thi)
 {
 	struct drbd_conf *mdev = thi->mdev;
-	unsigned int minor = mdev_to_minor(mdev);
 	int h;
 
-	sprintf(current->comm, "drbd%d_receiver", minor);
-
 	dev_info(DEV, "receiver (re)started\n");
 
 	do {
@@ -4572,8 +4569,6 @@ int drbd_asender(struct drbd_thread *thi)
 	int ping_timeout_active = 0;
 	int empty;
 
-	sprintf(current->comm, "drbd%d_asender", mdev_to_minor(mdev));
-
 	current->policy = SCHED_RR;  /* Make this a realtime task! */
 	current->rt_priority = 2;    /* more important than all other tasks */
 

drivers/block/drbd/drbd_worker.c

@@ -1631,8 +1631,6 @@ int drbd_worker(struct drbd_thread *thi)
 	LIST_HEAD(work_list);
 	int intr = 0, i;
 
-	sprintf(current->comm, "drbd%d_worker", mdev_to_minor(mdev));
-
 	while (get_t_state(thi) == RUNNING) {
 		drbd_thread_current_set_cpu(thi);