blkcg: implement per-queue policy activation

[karo-tx-linux.git] / block / elevator.c

diff --git a/block/elevator.c b/block/elevator.c
index be3ab6df0feaf4751af2c68781b8a2a538ed0c9a..6a55d418896f5ceee0042da69c0177c495219cbc 100644 (file)
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -896,8 +896,6 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
        ioc_clear_queue(q);
        spin_unlock_irq(q->queue_lock);
 
-       blkg_destroy_all(q, false);
-
        /* allocate, init and register new elevator */
        err = -ENOMEM;
        q->elevator = elevator_alloc(q, new_e);