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[PATCH] cfq-iosched: reverse bad reference count fix

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The reference count fix merged isn't fully bug free. It doesn't leak
now, but instead it crashes due to looking at freed memory. So for now,
lets reverse the change and I'll fix it for real next week.

Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jens Axboe 2005-09-10 14:17:10 +02:00 • committed by Linus Torvalds
commit 35797132b3
1 changed files with 3 additions and 0 deletions
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3
drivers/block/cfq-iosched.c
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@ -2260,6 +2260,8 @@ static void cfq_put_cfqd(struct cfq_data *cfqd)
if (!atomic_dec_and_test(&cfqd->ref))
return;
blk_put_queue(q);
cfq_shutdown_timer_wq(cfqd);
q->elevator->elevator_data = NULL;
@ -2316,6 +2318,7 @@ static int cfq_init_queue(request_queue_t *q, elevator_t *e)
e->elevator_data = cfqd;
cfqd->queue = q;
atomic_inc(&q->refcnt);
cfqd->max_queued = q->nr_requests / 4;
q->nr_batching = cfq_queued;