[GIT PULL] io_uring updates for 5.17-rc

[Jens Axboe <axboe@kernel.dk>]

Hi Linus,

Here are the io_uring changes scheduled for this merge window. This pull
request contains:

- Support for prioritized work completions (Hao)

- Simplification of reissue (Pavel)

- Add support for CQE skip (Pavel)

- Memory leak fix going to 5.15-stable (Pavel)

- Re-write of internal poll. This both cleans up that code, and gets us
  ready to fix the POLLFREE issue (Pavel)

- Various cleanups (GuoYong, Pavel, Hao)

You'll hit a trivial merge conflict pulling this due to a function name
change in 5.16-late.

Please pull!


The following changes since commit 136057256686de39cc3a07c2e39ef6bc43003ff6:

  Linux 5.16-rc2 (2021-11-21 13:47:39 -0800)

are available in the Git repository at:

  git://git.kernel.dk/linux-block.git tags/for-5.17/io_uring-2022-01-11

for you to fetch changes up to 3cc7fdb9f90a25ae92250bf9e6cf3b9556b230e9:

  io_uring: fix not released cached task refs (2022-01-09 09:22:49 -0700)

----------------------------------------------------------------
for-5.17/io_uring-2022-01-11

----------------------------------------------------------------
GuoYong Zheng (2):
      io_uring: remove unused function parameter
      io_uring: remove redundant tab space

Hao Xu (9):
      io_uring: fix no lock protection for ctx->cq_extra
      io_uring: better to use REQ_F_IO_DRAIN for req->flags
      io_uring: move up io_put_kbuf() and io_put_rw_kbuf()
      io-wq: add helper to merge two wq_lists
      io_uring: add a priority tw list for irq completion work
      io_uring: add helper for task work execution code
      io_uring: split io_req_complete_post() and add a helper
      io_uring: batch completion in prior_task_list
      io_uring: code clean for some ctx usage

Pavel Begunkov (19):
      io_uring: simplify reissue in kiocb_done
      io_uring: improve send/recv error handling
      io_uring: clean __io_import_iovec()
      io_uring: improve argument types of kiocb_done()
      io_uring: clean cqe filling functions
      io_uring: add option to skip CQE posting
      io_uring: don't spinlock when not posting CQEs
      io_uring: disable drain with cqe skip
      io_uring: simplify selected buf handling
      io_uring: tweak iopoll CQE_SKIP event counting
      io_uring: reuse io_req_task_complete for timeouts
      io_uring: remove double poll on poll update
      io_uring: refactor poll update
      io_uring: move common poll bits
      io_uring: kill poll linking optimisation
      io_uring: poll rework
      io_uring: single shot poll removal optimisation
      io_uring: use completion batching for poll rem/upd
      io_uring: fix not released cached task refs

Ye Bin (1):
      io_uring: validate timespec for timeout removals

 fs/io-wq.h                    |   22 +
 fs/io_uring.c                 | 1140 +++++++++++++++++++++--------------------
 include/uapi/linux/io_uring.h |    4 +
 3 files changed, 612 insertions(+), 554 deletions(-)

-- 
Jens Axboe