[GIT PULL] io_uring fixes for 5.18-rc1

[Jens Axboe <axboe@kernel.dk>]

Hi Linus,

A little bit all over the map, some regression fixes for this merge
window, and some general fixes that are stable bound. In detail:

- Fix an SQPOLL memory ordering issue (Almog)

- Accept fixes (Dylan)

- Poll fixes (me)

- Fixes for provided buffers and recycling (me)

- Tweak to IORING_OP_MSG_RING command added in this merge window (me)

- Memory leak fix (Pavel)

- Misc fixes and tweaks (Pavel, me)

Please pull!


The following changes since commit 5e929367468c8f97cd1ffb0417316cecfebef94b:

  io_uring: terminate manual loop iterator loop correctly for non-vecs (2022-03-18 11:42:48 -0600)

are available in the Git repository at:

  git://git.kernel.dk/linux-block.git tags/for-5.18/io_uring-2022-04-01

for you to fetch changes up to 3f1d52abf098c85b177b8c6f5b310e8347d1bc42:

  io_uring: defer msg-ring file validity check until command issue (2022-03-29 14:04:28 -0600)

----------------------------------------------------------------
for-5.18/io_uring-2022-04-01

----------------------------------------------------------------
Almog Khaikin (1):
      io_uring: fix memory ordering when SQPOLL thread goes to sleep

Dylan Yudaken (2):
      io_uring: fix async accept on O_NONBLOCK sockets
      io_uring: enable EPOLLEXCLUSIVE for accept poll

Jens Axboe (12):
      io_uring: recycle provided before arming poll
      io_uring: ensure that fsnotify is always called
      io_uring: remove poll entry from list when canceling all
      io_uring: bump poll refs to full 31-bits
      io_uring: fix assuming triggered poll waitqueue is the single poll
      io_uring: don't recycle provided buffer if punted to async worker
      io_uring: ensure recv and recvmsg handle MSG_WAITALL correctly
      io_uring: add flag for disabling provided buffer recycling
      io_uring: remove IORING_CQE_F_MSG
      io_uring: improve task work cache utilization
      io_uring: fail links if msg-ring doesn't succeeed
      io_uring: defer msg-ring file validity check until command issue

Pavel Begunkov (4):
      io_uring: improve req fields comments
      io_uring: fix invalid flags for io_put_kbuf()
      io_uring: fix put_kbuf without proper locking
      io_uring: fix memory leak of uid in files registration

 fs/io_uring.c                 | 133 ++++++++++++++++++++++++++++++++++--------
 include/uapi/linux/io_uring.h |   2 -
 2 files changed, 110 insertions(+), 25 deletions(-)

-- 
Jens Axboe