[GIT PULL] io_uring fixes for 5.7-rc4

[Jens Axboe]

Hi Linus,

- Fix for statx not grabbing the file table, making AT_EMPTY_PATH fail

- Cover a few cases where async poll can handle retry, eliminating the
  need for an async thread

- fallback request busy/free fix (Bijan)

- syzbot reported SQPOLL thread exit fix for non-preempt (Xiaoguang)

- Fix extra put of req for sync_file_range (Pavel)

- Always punt splice async. We'll improve this for 5.8, but wanted to
  eliminate the inode mutex lock from the non-blocking path for 5.7
  (Pavel)

Please pull!


  git://git.kernel.dk/linux-block.git tags/io_uring-5.7-2020-05-01


----------------------------------------------------------------
Bijan Mottahedeh (1):
      io_uring: use proper references for fallback_req locking

Jens Axboe (3):
      io_uring: statx must grab the file table for valid fd
      io_uring: enable poll retry for any file with ->read_iter / ->write_iter
      io_uring: only force async punt if poll based retry can't handle it

Pavel Begunkov (3):
      io_uring: fix extra put in sync_file_range()
      io_uring: check non-sync defer_list carefully
      io_uring: punt splice async because of inode mutex

Xiaoguang Wang (1):
      io_uring: use cond_resched() in io_ring_ctx_wait_and_kill()

 fs/io_uring.c | 58 +++++++++++++++++++++++++++++++---------------------------
 1 file changed, 31 insertions(+), 27 deletions(-)

-- 
Jens Axboe