| From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 73/86] block,rcu: convert call_rcu(cfq_cfqd_free) to kfree_rcu() | Date | Sun, 1 May 2011 06:21:53 -0700 |
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From: Lai Jiangshan <laijs@cn.fujitsu.com>
The rcu callback cfq_cfqd_free() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(cfq_cfqd_free).
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Jens Axboe <axboe@kernel.dk> --- block/cfq-iosched.c | 7 +------ 1 files changed, 1 insertions(+), 6 deletions(-)
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 3be881e..a157728 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3824,11 +3824,6 @@ static void cfq_put_async_queues(struct cfq_data *cfqd) cfq_put_queue(cfqd->async_idle_cfqq); } -static void cfq_cfqd_free(struct rcu_head *head) -{ - kfree(container_of(head, struct cfq_data, rcu)); -} - static void cfq_exit_queue(struct elevator_queue *e) { struct cfq_data *cfqd = e->elevator_data; @@ -3862,7 +3857,7 @@ static void cfq_exit_queue(struct elevator_queue *e) spin_unlock(&cic_index_lock); /* Wait for cfqg->blkg->key accessors to exit their grace periods. */ - call_rcu(&cfqd->rcu, cfq_cfqd_free); + kfree_rcu(cfqd, rcu); } static int cfq_alloc_cic_index(void) -- 1.7.3.2
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