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Message-ID: <36a6706d-73e1-64e7-f1f8-8f5ef246d3ea@kernel.dk>
Date: Mon, 12 Oct 2020 07:46:45 -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 5.10-rc1
Hi Linus,
Here are the io_uring updates for 5.10. This pull request contains:
- Add blkcg accounting for io-wq offload (Dennis)
- A use-after-free fix for io-wq (Hillf)
- Cancelation fixes and improvements
- Use proper files_struct references for offload
- Cleanup of io_uring_get_socket() since that can now go into our own
header
- SQPOLL fixes and cleanups, and support for sharing the thread
- Improvement to how page accounting is done for registered buffers and
huge pages, accounting the real pinned state
- Series cleaning up the xarray code (Willy)
- Various cleanups, refactoring, and improvements (Pavel)
- Use raw spinlock for io-wq (Sebastian)
- Add support for ring restrictions (Stefano)
Please pull!
The following changes since commit c8d317aa1887b40b188ec3aaa6e9e524333caed1:
io_uring: fix async buffered reads when readahead is disabled (2020-09-29 07:54:00 -0600)
are available in the Git repository at:
git://git.kernel.dk/linux-block.git tags/io_uring-5.10-2020-10-12
for you to fetch changes up to b2e9685283127f30e7f2b466af0046ff9bd27a86:
io_uring: keep a pointer ref_node in file_data (2020-10-10 12:49:25 -0600)
----------------------------------------------------------------
io_uring-5.10-2020-10-12
----------------------------------------------------------------
Dennis Zhou (1):
io_uring: add blkcg accounting to offloaded operations
Hillf Danton (1):
io-wq: fix use-after-free in io_wq_worker_running
Jens Axboe (29):
Merge branch 'io_uring-5.9' into for-5.10/io_uring
io_uring: allow timeout/poll/files killing to take task into account
io_uring: move dropping of files into separate helper
io_uring: stash ctx task reference for SQPOLL
io_uring: unconditionally grab req->task
io_uring: return cancelation status from poll/timeout/files handlers
io_uring: enable task/files specific overflow flushing
io_uring: don't rely on weak ->files references
io_uring: reference ->nsproxy for file table commands
io_uring: move io_uring_get_socket() into io_uring.h
io_uring: io_sq_thread() doesn't need to flush signals
fs: align IOCB_* flags with RWF_* flags
io_uring: use private ctx wait queue entries for SQPOLL
io_uring: move SQPOLL post-wakeup ring need wakeup flag into wake handler
io_uring: split work handling part of SQPOLL into helper
io_uring: split SQPOLL data into separate structure
io_uring: base SQPOLL handling off io_sq_data
io_uring: enable IORING_SETUP_ATTACH_WQ to attach to SQPOLL thread too
io_uring: mark io_uring_fops/io_op_defs as __read_mostly
io_uring: provide IORING_ENTER_SQ_WAIT for SQPOLL SQ ring waits
io_uring: get rid of req->io/io_async_ctx union
io_uring: cap SQ submit size for SQPOLL with multiple rings
io_uring: improve registered buffer accounting for huge pages
io_uring: process task work in io_uring_register()
io-wq: kill unused IO_WORKER_F_EXITING
io_uring: kill callback_head argument for io_req_task_work_add()
io_uring: batch account ->req_issue and task struct references
io_uring: no need to call xa_destroy() on empty xarray
io_uring: fix break condition for __io_uring_register() waiting
Joseph Qi (1):
io_uring: show sqthread pid and cpu in fdinfo
Matthew Wilcox (Oracle) (3):
io_uring: Fix use of XArray in __io_uring_files_cancel
io_uring: Fix XArray usage in io_uring_add_task_file
io_uring: Convert advanced XArray uses to the normal API
Pavel Begunkov (23):
io_uring: simplify io_rw_prep_async()
io_uring: refactor io_req_map_rw()
io_uring: fix overlapped memcpy in io_req_map_rw()
io_uring: kill extra user_bufs check
io_uring: simplify io_alloc_req()
io_uring: io_kiocb_ppos() style change
io_uring: remove F_NEED_CLEANUP check in *prep()
io_uring: set/clear IOCB_NOWAIT into io_read/write
io_uring: remove nonblock arg from io_{rw}_prep()
io_uring: decouple issuing and req preparation
io_uring: move req preps out of io_issue_sqe()
io_uring: don't io_prep_async_work() linked reqs
io_uring: clean up ->files grabbing
io_uring: kill extra check in fixed io_file_get()
io_uring: simplify io_file_get()
io_uring: improve submit_state.ios_left accounting
io_uring: use a separate struct for timeout_remove
io_uring: remove timeout.list after hrtimer cancel
io_uring: clean leftovers after splitting issue
io_uring: don't delay io_init_req() error check
io_uring: clean file_data access in files_register
io_uring: refactor *files_register()'s error paths
io_uring: keep a pointer ref_node in file_data
Sebastian Andrzej Siewior (1):
io_wq: Make io_wqe::lock a raw_spinlock_t
Stefano Garzarella (3):
io_uring: use an enumeration for io_uring_register(2) opcodes
io_uring: add IOURING_REGISTER_RESTRICTIONS opcode
io_uring: allow disabling rings during the creation
Zheng Bin (1):
io_uring: remove unneeded semicolon
fs/exec.c | 6 +
fs/file.c | 2 +
fs/io-wq.c | 200 +++---
fs/io-wq.h | 4 +
fs/io_uring.c | 2181 ++++++++++++++++++++++++++++++++++++--------------------
include/linux/fs.h | 46 +-
include/linux/io_uring.h | 58 ++
include/linux/sched.h | 5 +
include/uapi/linux/io_uring.h | 61 +-
init/init_task.c | 3 +
kernel/fork.c | 6 +
net/unix/scm.c | 1 +
12 files changed, 1662 insertions(+), 911 deletions(-)
create mode 100644 include/linux/io_uring.h
--
Jens Axboe
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