Merge branch 'io_uring-5.7' into async-buffered

Merge branch 'io_uring-5.7' into async-buffered

* io_uring-5.7:
  io_uring: reset -EBUSY error when io sq thread is waken up
  io_uring: don't add non-IO requests to iopoll pending list
  io_uring: don't use kiocb.private to store buf_index
  io_uring: cancel work if task_work_add() fails
  io_uring: remove dead check in io_splice()
  io_uring: fix FORCE_ASYNC req preparation
  io_uring: don't prepare DRAIN reqs twice
  io_uring: initialize ctx->sqo_wait earlier