io_uring: remove unused hash_wait

No users of io_uring_ctx::hash_wait left, kill it.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/e25cb83c233a5f75f15275596b49fbafbea606fa.1617287883.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index e92de7e206c07f939843981d10ee1a4b40c771a5..6a0317e851f72395472dcc27f75882064fcee557 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -455,8 +455,6 @@ struct io_ring_ctx {
        /* exit task_work */
        struct callback_head            *exit_task_work;
 
-       struct wait_queue_head          hash_wait;
-
        /* Keep this last, we don't need it for the fast path */
        struct work_struct              exit_work;
        struct list_head                tctx_list;