No users of io_uring_ctx::hash_wait left, kill it.
Signed-off-by: NPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/e25cb83c233a5f75f15275596b49fbafbea606fa.1617287883.git.asml.silence@gmail.comSigned-off-by: NJens Axboe <axboe@kernel.dk>