linux/io_uring
Linus Torvalds 3a4d319a8f for-6.12/io_uring-20240913
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Merge tag 'for-6.12/io_uring-20240913' of git://git.kernel.dk/linux

Pull io_uring updates from Jens Axboe:

 - NAPI fixes and cleanups (Pavel, Olivier)

 - Add support for absolute timeouts (Pavel)

 - Fixes for io-wq/sqpoll affinities (Felix)

 - Efficiency improvements for dealing with huge pages (Chenliang)

 - Support for a minwait mode, where the application essentially has two
   timouts - one smaller one that defines the batch timeout, and the
   overall large one similar to what we had before. This enables
   efficient use of batching based on count + timeout, while still
   working well with periods of less intensive workloads

 - Use ITER_UBUF for single segment sends

 - Add support for incremental buffer consumption. Right now each
   operation will always consume a full buffer. With incremental
   consumption, a recv/read operation only consumes the part of the
   buffer that it needs to satisfy the operation

 - Add support for GCOV for io_uring, to help retain a high coverage of
   test to code ratio

 - Fix regression with ocfs2, where an odd -EOPNOTSUPP wasn't correctly
   converted to a blocking retry

 - Add support for cloning registered buffers from one ring to another

 - Misc cleanups (Anuj, me)

* tag 'for-6.12/io_uring-20240913' of git://git.kernel.dk/linux: (35 commits)
  io_uring: add IORING_REGISTER_COPY_BUFFERS method
  io_uring/register: provide helper to get io_ring_ctx from 'fd'
  io_uring/rsrc: add reference count to struct io_mapped_ubuf
  io_uring/rsrc: clear 'slot' entry upfront
  io_uring/io-wq: inherit cpuset of cgroup in io worker
  io_uring/io-wq: do not allow pinning outside of cpuset
  io_uring/rw: drop -EOPNOTSUPP check in __io_complete_rw_common()
  io_uring/rw: treat -EOPNOTSUPP for IOCB_NOWAIT like -EAGAIN
  io_uring/sqpoll: do not allow pinning outside of cpuset
  io_uring/eventfd: move refs to refcount_t
  io_uring: remove unused rsrc_put_fn
  io_uring: add new line after variable declaration
  io_uring: add GCOV_PROFILE_URING Kconfig option
  io_uring/kbuf: add support for incremental buffer consumption
  io_uring/kbuf: pass in 'len' argument for buffer commit
  Revert "io_uring: Require zeroed sqe->len on provided-buffers send"
  io_uring/kbuf: move io_ring_head_to_buf() to kbuf.h
  io_uring/kbuf: add io_kbuf_commit() helper
  io_uring/kbuf: shrink nr_iovs/mode in struct buf_sel_arg
  io_uring: wire up min batch wake timeout
  ...
2024-09-16 13:29:00 +02:00
..
advise.c
advise.h
alloc_cache.h
cancel.c
cancel.h
epoll.c
epoll.h
eventfd.c io_uring/eventfd: move refs to refcount_t 2024-09-08 16:43:57 -06:00
eventfd.h
fdinfo.c io_uring: add napi busy settings to the fdinfo output 2024-08-25 08:27:00 -06:00
fdinfo.h
filetable.c
filetable.h
fs.c
fs.h
futex.c
futex.h
io_uring.c io_uring/kbuf: pass in 'len' argument for buffer commit 2024-08-29 08:44:51 -06:00
io_uring.h io_uring: add support for batch wait timeout 2024-08-25 08:27:01 -06:00
io-wq.c io_uring/io-wq: inherit cpuset of cgroup in io worker 2024-09-11 07:27:56 -06:00
io-wq.h
kbuf.c for-6.12/io_uring-20240913 2024-09-16 13:29:00 +02:00
kbuf.h io_uring/kbuf: add support for incremental buffer consumption 2024-08-29 08:44:58 -06:00
Makefile io_uring: add GCOV_PROFILE_URING Kconfig option 2024-08-30 10:52:02 -06:00
memmap.c
memmap.h
msg_ring.c io_uring/msg_ring: fix uninitialized use of target_req->flags 2024-07-25 08:41:35 -06:00
msg_ring.h
napi.c io_uring: user registered clockid for wait timeouts 2024-08-25 08:27:01 -06:00
napi.h io_uring/napi: postpone napi timeout adjustment 2024-08-25 08:27:01 -06:00
net.c io_uring/kbuf: pass in 'len' argument for buffer commit 2024-08-29 08:44:51 -06:00
net.h
nop.c
nop.h
notif.c
notif.h
opdef.c
opdef.h
openclose.c
openclose.h
poll.c io_uring: keep multishot request NAPI timeout current 2024-07-30 06:18:58 -06:00
poll.h
refs.h
register.c io_uring: add IORING_REGISTER_COPY_BUFFERS method 2024-09-12 10:14:15 -06:00
register.h io_uring/register: provide helper to get io_ring_ctx from 'fd' 2024-09-12 10:14:05 -06:00
rsrc.c for-6.12/io_uring-20240913 2024-09-16 13:29:00 +02:00
rsrc.h io_uring: add IORING_REGISTER_COPY_BUFFERS method 2024-09-12 10:14:15 -06:00
rw.c io_uring/rw: drop -EOPNOTSUPP check in __io_complete_rw_common() 2024-09-10 09:34:44 -06:00
rw.h
slist.h
splice.c
splice.h
sqpoll.c io_uring/sqpoll: do not allow pinning outside of cpuset 2024-09-09 09:09:08 -06:00
sqpoll.h
statx.c
statx.h
sync.c
sync.h
tctx.c
tctx.h
timeout.c io_uring: fix io_match_task must_hold 2024-07-24 08:01:49 -06:00
timeout.h
truncate.c
truncate.h
uring_cmd.c io_uring: simplify io_uring_cmd return 2024-07-24 08:01:49 -06:00
uring_cmd.h
waitid.c
waitid.h
xattr.c
xattr.h