Merge tag 'for-5.12/io_uring-2021-02-25' of git://git.kernel.dk/linux-block

Pull more io_uring updates from Jens Axboe:
 "A collection of later fixes that we should get into this release:

   - Series of submission cleanups (Pavel)

   - A few fixes for issues from earlier this merge window (Pavel, me)

   - IOPOLL resubmission fix

   - task_work locking fix (Hao)"

* tag 'for-5.12/io_uring-2021-02-25' of git://git.kernel.dk/linux-block: (25 commits)
  Revert "io_uring: wait potential ->release() on resurrect"
  io_uring: fix locked_free_list caches_free()
  io_uring: don't attempt IO reissue from the ring exit path
  io_uring: clear request count when freeing caches
  io_uring: run task_work on io_uring_register()
  io_uring: fix leaving invalid req->flags
  io_uring: wait potential ->release() on resurrect
  io_uring: keep generic rsrc infra generic
  io_uring: zero ref_node after killing it
  io_uring: make the !CONFIG_NET helpers a bit more robust
  io_uring: don't hold uring_lock when calling io_run_task_work*
  io_uring: fail io-wq submission from a task_work
  io_uring: don't take uring_lock during iowq cancel
  io_uring: fail links more in io_submit_sqe()
  io_uring: don't do async setup for links' heads
  io_uring: do io_*_prep() early in io_submit_sqe()
  io_uring: split sqe-prep and async setup
  io_uring: don't submit link on error
  io_uring: move req link into submit_state
  io_uring: move io_init_req() into io_submit_sqe()
  ...