[GIT PULL] io_uring fixes for 5.14-rc6

[Jens Axboe <axboe@kernel.dk>]

Hi Linus,

A bit bigger than the previous weeks, but mostly just a few stable bound
fixes. In detail:

- Followup fixes to patches from last week for io-wq, turns out they
  weren't complete (Hao)

- Two lockdep reported fixes out of the RT camp (me)

- Sync the io_uring-cp example with liburing, as a few bug fixes never
  made it to the kernel carried version (me)

- SQPOLL related TIF_NOTIFY_SIGNAL fix (Nadav)

- Use WRITE_ONCE() when writing sq flags (Nadav)

- io_rsrc_put_work() deadlock fix (Pavel)

Please pull!


The following changes since commit 21698274da5b6fc724b005bc7ec3e6b9fbcfaa06:

  io-wq: fix lack of acct->nr_workers < acct->max_workers judgement (2021-08-06 08:28:18 -0600)

are available in the Git repository at:

  git://git.kernel.dk/linux-block.git tags/io_uring-5.14-2021-08-13

for you to fetch changes up to 8f40d0370795313b6f1b1782035919cfc76b159f:

  tools/io_uring/io_uring-cp: sync with liburing example (2021-08-13 08:58:11 -0600)

----------------------------------------------------------------
io_uring-5.14-2021-08-13

----------------------------------------------------------------
Hao Xu (2):
      io-wq: fix bug of creating io-wokers unconditionally
      io-wq: fix IO_WORKER_F_FIXED issue in create_io_worker()

Jens Axboe (3):
      io_uring: rsrc ref lock needs to be IRQ safe
      io_uring: drop ctx->uring_lock before flushing work item
      tools/io_uring/io_uring-cp: sync with liburing example

Nadav Amit (2):
      io_uring: clear TIF_NOTIFY_SIGNAL when running task work
      io_uring: Use WRITE_ONCE() when writing to sq_flags

Pavel Begunkov (1):
      io_uring: fix ctx-exit io_rsrc_put_work() deadlock

 fs/io-wq.c                   | 26 ++++++++++++++------
 fs/io_uring.c                | 58 ++++++++++++++++++++++----------------------
 tools/io_uring/io_uring-cp.c | 31 ++++++++++++++++++++---
 3 files changed, 75 insertions(+), 40 deletions(-)

-- 
Jens Axboe