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-rw-r--r--block/elevator.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/elevator.c b/block/elevator.c
index 8c7561f..d4d39da 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -876,7 +876,7 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
{
struct elevator_queue *old = q->elevator;
bool registered = old->registered;
- int err;
+ int i, err;
/*
* Turn on BYPASS and drain all requests w/ elevator private data.
@@ -895,7 +895,8 @@ 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);
+ for (i = 0; i < BLKIO_NR_POLICIES; i++)
+ blkg_destroy_all(q, i, false);
/* allocate, init and register new elevator */
err = -ENOMEM;
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