1
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 io_uring/advise: support 64-bit lengths 2024-06-16 14:54:55 -06:00
advise.h
alloc_cache.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
cancel.c io_uring: fix warnings on shadow variables 2024-04-15 08:10:26 -06:00
cancel.h io_uring: fix cancellation overwriting req->flags 2024-06-13 19:25:28 -06:00
epoll.c io_uring: undeprecate epoll_ctl support 2023-05-26 20:22:41 -06:00
epoll.h
eventfd.c io_uring/eventfd: move refs to refcount_t 2024-09-08 16:43:57 -06:00
eventfd.h io_uring/eventfd: move eventfd handling to separate file 2024-06-16 14:54:55 -06:00
fdinfo.c io_uring: add napi busy settings to the fdinfo output 2024-08-25 08:27:00 -06:00
fdinfo.h
filetable.c io_uring/filetable: don't unnecessarily clear/reset bitmap 2024-05-08 08:27:45 -06:00
filetable.h io_uring: expand main struct io_kiocb flags to 64-bits 2024-02-08 13:27:03 -07:00
fs.c io_uring/fs: consider link->flags when getting path for LINKAT 2023-11-20 09:01:42 -07:00
fs.h
futex.c io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
futex.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
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 io_uring/io-wq: make io_wq_work flags atomic 2024-06-16 14:54:55 -06:00
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 io_uring: don't attempt to mmap larger than what the user asks for 2024-05-29 09:53:14 -06:00
memmap.h io_uring: move mapping/allocation helpers to a separate file 2024-04-15 08:10:26 -06:00
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 io_uring/msg_ring: add an alloc cache for io_kiocb entries 2024-06-24 08:39:55 -06:00
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 io_uring: Introduce IORING_OP_LISTEN 2024-06-19 07:57:21 -06:00
nop.c io_uring: support to inject result for NOP 2024-05-10 06:09:45 -06:00
nop.h
notif.c io_uring/notif: disable LAZY_WAKE for linked notifs 2024-04-30 13:06:27 -06:00
notif.h io_uring/notif: implement notification stacking 2024-04-22 19:31:18 -06:00
opdef.c io_uring: Fix probe of disabled operations 2024-06-19 08:58:00 -06:00
opdef.h io_uring: Fix probe of disabled operations 2024-06-19 08:58:00 -06:00
openclose.c io_uring: enable audit and restrict cred override for IORING_OP_FIXED_FD_INSTALL 2024-01-23 15:25:14 -07:00
openclose.h io_uring/openclose: add support for IORING_OP_FIXED_FD_INSTALL 2023-12-12 07:42:57 -07:00
poll.c io_uring: keep multishot request NAPI timeout current 2024-07-30 06:18:58 -06:00
poll.h io_uring/poll: shrink alloc cache size to 32 2024-04-15 08:10:25 -06:00
refs.h io_uring: kill dead code in io_req_complete_post 2024-04-15 08:10:26 -06:00
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 io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
slist.h io_uring: silence variable ‘prev’ set but not used warning 2023-03-09 10:10:58 -07:00
splice.c splice: return type ssize_t from all helpers 2023-12-12 16:19:59 +01:00
splice.h
sqpoll.c io_uring/sqpoll: do not allow pinning outside of cpuset 2024-09-09 09:09:08 -06:00
sqpoll.h io_uring/sqpoll: statistics of the true utilization of sq threads 2024-03-01 06:28:19 -07:00
statx.c vfs: retire user_path_at_empty and drop empty arg from getname_flags 2024-06-05 17:03:57 +02:00
statx.h
sync.c io_uring: for requests that require async, force it 2023-01-29 15:18:26 -07:00
sync.h
tctx.c io_uring: Add io_uring_setup flag to pre-register ring fd and never install it 2023-05-16 08:06:00 -06:00
tctx.h io_uring: simplify __io_uring_add_tctx_node 2022-10-07 12:25:30 -06:00
timeout.c io_uring: fix io_match_task must_hold 2024-07-24 08:01:49 -06:00
timeout.h io_uring: remove unused return from io_disarm_next 2022-09-21 13:15:01 -06:00
truncate.c io_uring: add support for ftruncate 2024-02-09 09:04:39 -07:00
truncate.h io_uring: add support for ftruncate 2024-02-09 09:04:39 -07:00
uring_cmd.c io_uring: simplify io_uring_cmd return 2024-07-24 08:01:49 -06:00
uring_cmd.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
waitid.c io_uring: remove struct io_tw_state::locked 2024-04-15 08:10:24 -06:00
waitid.h io_uring: add IORING_OP_WAITID support 2023-09-21 12:04:45 -06:00
xattr.c vfs: retire user_path_at_empty and drop empty arg from getname_flags 2024-06-05 17:03:57 +02:00
xattr.h