[GIT PULL] io_uring fixes for 5.10-rc

[Jens Axboe]

Hi Linus,

Mostly regression or stable fodder:

- Disallow async path resolution of /proc/self

- Tighten constraints for segmented async buffered reads

- Fix double completion for a retry error case

- Fix for fixed file life times (Pavel)

Please pull!


The following changes since commit 88ec3211e46344a7d10cf6cb5045f839f7785f8e:

  io_uring: round-up cq size before comparing with rounded sq size (2020-11-11 10:42:41 -0700)

are available in the Git repository at:

  git://git.kernel.dk/linux-block.git tags/io_uring-5.10-2020-11-20

for you to fetch changes up to e297822b20e7fe683e107aea46e6402adcf99c70:

  io_uring: order refnode recycling (2020-11-18 08:02:10 -0700)

----------------------------------------------------------------
io_uring-5.10-2020-11-20

----------------------------------------------------------------
Jens Axboe (4):
      proc: don't allow async path resolution of /proc/self components
      io_uring: handle -EOPNOTSUPP on path resolution
      mm: never attempt async page lock if we've transferred data already
      io_uring: don't double complete failed reissue request

Pavel Begunkov (2):
      io_uring: get an active ref_node from files_data
      io_uring: order refnode recycling

 fs/io_uring.c  | 57 ++++++++++++++++++++++++++++++++++++++++++---------------
 fs/proc/self.c |  7 +++++++
 mm/filemap.c   | 18 ++++++++++++++----
 3 files changed, 63 insertions(+), 19 deletions(-)

-- 
Jens Axboe