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authorYueHaibing <yuehaibing@huawei.com>2019-11-02 08:55:01 +0100
committerJens Axboe <axboe@kernel.dk>2019-11-02 14:59:46 +0100
commit364b05fd06e87e53dc03396f73afeac48d8e0998 (patch)
tree68110326f71e94ce9d966e238edf91cbe1c6a092 /fs/io-wq.c
parentio_uring: remove io_uring_add_to_prev() trace event (diff)
downloadlinux-364b05fd06e87e53dc03396f73afeac48d8e0998.tar.xz
linux-364b05fd06e87e53dc03396f73afeac48d8e0998.zip
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>
Diffstat (limited to 'fs/io-wq.c')
-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)