linux-kernel - [GIT PULL] io_uring updates for 5.9-rc1

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Date:   Tue, 20 Oct 2020 08:40:46 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     io-uring <io-uring@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] io_uring updates for 5.9-rc1

Hi Linus,

A mix of fixes and a few stragglers. In detail:

- Revert the bogus __read_mostly that we discussed for the initial pull
  request.

- Fix a merge window regression with fixed file registration error path
  handling.

- Fix io-wq numa node affinities.

- Series abstracting out an io_identity struct, making it both easier to
  see what the personality items are, and also easier to to adopt more.
  Use this to cover audit logging.

- Fix for read-ahead disabled block condition in async buffered reads,
  and using single page read-ahead to unify what
  generic_file_buffer_read() path is used.

- Series for REQ_F_COMP_LOCKED fix and removal of it (Pavel)

- Poll fix (Pavel)

Please pull!


The following changes since commit 071a0578b0ce0b0e543d1e38ee6926b9cc21c198:

  Merge tag 'ovl-update-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs (2020-10-16 15:29:46 -0700)

are available in the Git repository at:

  git://git.kernel.dk/linux-block.git tags/io_uring-5.10-2020-10-20

for you to fetch changes up to 9ba0d0c81284f4ec0b24529bdba2fc68b9d6a09a:

  io_uring: use blk_queue_nowait() to check if NOWAIT supported (2020-10-19 07:32:36 -0600)

----------------------------------------------------------------
io_uring-5.10-2020-10-20

----------------------------------------------------------------
Colin Ian King (1):
      io_uring: Fix sizeof() mismatch

Jeffle Xu (1):
      io_uring: use blk_queue_nowait() to check if NOWAIT supported

Jens Axboe (13):
      Revert "io_uring: mark io_uring_fops/io_op_defs as __read_mostly"
      io_uring: fix error path cleanup in io_sqe_files_register()
      io-wq: assign NUMA node locality if appropriate
      io_uring: pass required context in as flags
      io_uring: rely solely on work flags to determine personality.
      io_uring: move io identity items into separate struct
      io_uring: COW io_identity on mismatch
      io_uring: store io_identity in io_uring_task
      io_uring: assign new io_identity for task if members have changed
      io_uring: use percpu counters to track inflight requests
      io-wq: inherit audit loginuid and sessionid
      mm: mark async iocb read as NOWAIT once some data has been copied
      mm: use limited read-ahead to satisfy read

Pavel Begunkov (6):
      io_uring: don't set COMP_LOCKED if won't put
      io_uring: don't unnecessarily clear F_LINK_TIMEOUT
      io_uring: don't put a poll req under spinlock
      io_uring: dig out COMP_LOCK from deep call chain
      io_uring: fix REQ_F_COMP_LOCKED by killing it
      io_uring: fix double poll mask init

 fs/io-wq.c               |  51 ++--
 fs/io-wq.h               |  18 +-
 fs/io_uring.c            | 648 ++++++++++++++++++++++++++++-------------------
 fs/proc/base.c           |   4 +
 include/linux/io_uring.h |  27 +-
 mm/filemap.c             |   8 +
 mm/readahead.c           |  20 +-
 7 files changed, 475 insertions(+), 301 deletions(-)

-- 
Jens Axboe