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authorYueHaibing <yuehaibing@huawei.com>2019-11-02 15:55:01 +0800
committerJens Axboe <axboe@kernel.dk>2019-11-02 07:59:46 -0600
commit364b05fd06e87e53dc03396f73afeac48d8e0998 (patch)
tree68110326f71e94ce9d966e238edf91cbe1c6a092
parent0069fc6b1cf28de3a3890ed7c87a5b8ab79ca528 (diff)
io-wq: use kfree_rcu() to simplify the code
The callback function of call_rcu() just calls kfree(), so we can use kfree_rcu() instead of call_rcu() + callback function. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--fs/io-wq.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/fs/io-wq.c b/fs/io-wq.c
index 652b8bac2dbc..3bbab2c58695 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -102,13 +102,6 @@ struct io_wq {
struct completion done;
};
-static void io_wq_free_worker(struct rcu_head *head)
-{
- struct io_worker *worker = container_of(head, struct io_worker, rcu);
-
- kfree(worker);
-}
-
static bool io_worker_get(struct io_worker *worker)
{
return refcount_inc_not_zero(&worker->ref);
@@ -194,7 +187,7 @@ static void io_worker_exit(struct io_worker *worker)
if (all_done && refcount_dec_and_test(&wqe->wq->refs))
complete(&wqe->wq->done);
- call_rcu(&worker->rcu, io_wq_free_worker);
+ kfree_rcu(worker, rcu);
}
static void io_worker_start(struct io_wqe *wqe, struct io_worker *worker)