[GIT PULL] io_uring updates for 7.3

Hi Linus,

Trying to get back to a regular schedule again post the summer break,
but alas this PR is later than I like to do them. Still early in the
merge window, but I always try to have them out on Sunday/Monday.
Anyways, here are the io_uring changes queued for 7.3. On top of the
usual cleanups and fixes, the bigger items in here are:

- zcrx work, most of it centered around adding dynamic area
  provisioning, plus a bunch of prep and cleanups leading up to it:
  scale refilling with large pages, coalesce same-niov RQEs on refill,
  separate the RQ head/tail cache lines and cache the RQ tail, and
  rework the area creation locking.

- Fix the futex inflight accounting so that only private futex waits
  are marked inflight, and don't mark wake requests as inflight at all.

- Drop the custom iov copy in the buffer select prep and msg header
  copy paths, using the generic helpers instead.

- Fix a folio size overflow in io_vec_fill_bvec(), and account the
  pages a compound region really uses in the memmap path.

- Fix an iovec leak in uring_cmd when the async cmd isn't recycled,
  skip the blocking task work for io_uring_cmd_issue_blocking(), and
  don't skip completion for a synchronous multishot cmd

- Defer eventfd signaling when queued from a wakeup handler

- Fix io-wq worker accounting when canceling creation callbacks

- Annotate remote tasks for kcoverage

Note: you'll get a trivial merge conflict in
include/uapi/linux/io_uring/zcrx.h due to the rename changes that we
applied to 7.2 before this API was released, it was in the
io_uring-7.2-20260724 pull request I sent you.

Please pull!


The following changes since commit dc59e4fea9d83f03bad6bddf3fa2e52491777482:

  Linux 7.2-rc1 (2026-06-28 12:01:31 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git tags/for-7.3/io_uring-20260819

for you to fetch changes up to 881dc9dd66d2367e7fe1be0f953a8837cb3b26a9:

  io_uring: Add missing include for ITER_SOURCE and ITER_DEST (2026-08-18 17:13:53 -0600)

----------------------------------------------------------------
for-7.3/io_uring-20260819

----------------------------------------------------------------
Ali Ahmet Memis (2):
      io_uring/rsrc: fix folio size overflow in io_vec_fill_bvec()
      io_uring/memmap: account the pages a compound region really uses

Caleb Sander Mateos (1):
      io_uring/uring_cmd: skip io_uring_cmd_issue_blocking() task work

Gabriel Krisman Bertazi (3):
      io_uring/rw: Drop custom iov copy in io_iov_buffer_select_prep
      io_uring/net: Drop custom iov copy in io_msg_copy_hdr
      io_uring/net: Drop ddir argument from io_msg_copy_hdr

Jens Axboe (4):
      io_uring/futex: don't mark futex wake requests as inflight
      io_uring/futex: only mark private futex waits as inflight
      io_uring: defer eventfd signaling when queued from a wakeup handler
      io_uring/uring_cmd: don't skip completion for a synchronous multishot cmd

Mark Brown (1):
      io_uring: Add missing include for ITER_SOURCE and ITER_DEST

Pavel Begunkov (16):
      io_uring/zcrx: scale refilling with large pages
      io_uring/zcrx: move RQ head/tail to separate cache lines
      io_uring/zcrx: add RQ iterator
      io_uring/zcrx: cache RQ tail
      io_uring/zcrx: coalesce same-niov RQEs on refill
      io_uring/zcrx: constify area_reg on import
      io_urint/zcrx: narrow var scope in io_zcrx_recv_skb()
      io_uring/zcrx: don't reload skb_shinfo
      io_uring/zcrx: add helper for deriving area token
      io_uring/zcrx: don't pass ifq_reg to area creation
      io_uring/zcrx: split dmabuf unmap and release
      io_uring/zcrx: unmap under netdev lock
      io_uring/zcrx: move freelist lock to struct zcrx
      io_uring/zcrx: keep array of areas
      io_uring/zcrx: lock area creation with pp_lock
      io_uring/zcrx: add dynamic area provisioning

Robert Femmer (1):
      io_uring: annotate remote tasks for kcoverage

Vishnu Razdan (1):
      io_uring/io-wq: fix worker accounting when canceling creation callbacks

Woraphat Khiaodaeng (1):
      io_uring/cmd: fix iovec leak when the async cmd is not recycled

 include/linux/io_uring_types.h     |  11 +
 include/uapi/linux/io_uring/zcrx.h |   7 +
 io_uring/eventfd.c                 |   8 +-
 io_uring/eventfd.h                 |   2 +-
 io_uring/futex.c                   |  32 ++-
 io_uring/futex.h                   |   1 +
 io_uring/io-wq.c                   |  14 +-
 io_uring/io_uring.c                |  17 +-
 io_uring/io_uring.h                |   2 +-
 io_uring/memmap.c                  |  37 +++-
 io_uring/net.c                     |  75 ++-----
 io_uring/opdef.c                   |   2 +-
 io_uring/poll.c                    |  23 ++-
 io_uring/query.c                   |   2 +-
 io_uring/rsrc.c                    |   2 +-
 io_uring/rw.c                      |  24 +--
 io_uring/sqpoll.c                  |   7 +-
 io_uring/tw.c                      |   2 +-
 io_uring/uring_cmd.c               |  10 +-
 io_uring/waitid.c                  |   2 +-
 io_uring/zcrx.c                    | 398 ++++++++++++++++++++++++++-----------
 io_uring/zcrx.h                    |  15 +-
 22 files changed, 448 insertions(+), 245 deletions(-)

-- 
Jens Axboe