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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-08-30 19:22:52 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-08-30 19:22:52 -0700 |
commit | c547d89a9a445f6bb757b93247de43d312e722da (patch) | |
tree | 4c209d3f90476fbd9ad841251a3b7818a0d99e5d /include | |
parent | Merge tag 'for-5.15/libata-2021-08-30' of git://git.kernel.dk/linux-block (diff) | |
parent | io-wq: fix wakeup race when adding new work (diff) | |
download | linux-c547d89a9a445f6bb757b93247de43d312e722da.tar.gz linux-c547d89a9a445f6bb757b93247de43d312e722da.tar.bz2 linux-c547d89a9a445f6bb757b93247de43d312e722da.zip |
Merge tag 'for-5.15/io_uring-2021-08-30' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
- cancellation cleanups (Hao, Pavel)
- io-wq accounting cleanup (Hao)
- io_uring submit locking fix (Hao)
- io_uring link handling fixes (Hao)
- fixed file improvements (wangyangbo, Pavel)
- allow updates of linked timeouts like regular timeouts (Pavel)
- IOPOLL fix (Pavel)
- remove batched file get optimization (Pavel)
- improve reference handling (Pavel)
- IRQ task_work batching (Pavel)
- allow pure fixed file, and add support for open/accept (Pavel)
- GFP_ATOMIC RT kernel fix
- multiple CQ ring waiter improvement
- funnel IRQ completions through task_work
- add support for limiting async workers explicitly
- add different clocksource support for timeouts
- io-wq wakeup race fix
- lots of cleanups and improvement (Pavel et al)
* tag 'for-5.15/io_uring-2021-08-30' of git://git.kernel.dk/linux-block: (87 commits)
io-wq: fix wakeup race when adding new work
io-wq: wqe and worker locks no longer need to be IRQ safe
io-wq: check max_worker limits if a worker transitions bound state
io_uring: allow updating linked timeouts
io_uring: keep ltimeouts in a list
io_uring: support CLOCK_BOOTTIME/REALTIME for timeouts
io-wq: provide a way to limit max number of workers
io_uring: add build check for buf_index overflows
io_uring: clarify io_req_task_cancel() locking
io_uring: add task-refs-get helper
io_uring: fix failed linkchain code logic
io_uring: remove redundant req_set_fail()
io_uring: don't free request to slab
io_uring: accept directly into fixed file table
io_uring: hand code io_accept() fd installing
io_uring: openat directly into fixed fd table
net: add accept helper not installing fd
io_uring: fix io_try_cancel_userdata race for iowq
io_uring: IRQ rw completion batching
io_uring: batch task work locking
...
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/io_uring.h | 11 | ||||
-rw-r--r-- | include/linux/socket.h | 3 | ||||
-rw-r--r-- | include/uapi/linux/io_uring.h | 18 |
3 files changed, 23 insertions, 9 deletions
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h index 04b650bcbbe5..649a4d7c241b 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -7,17 +7,18 @@ #if defined(CONFIG_IO_URING) struct sock *io_uring_get_socket(struct file *file); -void __io_uring_cancel(struct files_struct *files); +void __io_uring_cancel(bool cancel_all); void __io_uring_free(struct task_struct *tsk); -static inline void io_uring_files_cancel(struct files_struct *files) +static inline void io_uring_files_cancel(void) { if (current->io_uring) - __io_uring_cancel(files); + __io_uring_cancel(false); } static inline void io_uring_task_cancel(void) { - return io_uring_files_cancel(NULL); + if (current->io_uring) + __io_uring_cancel(true); } static inline void io_uring_free(struct task_struct *tsk) { @@ -32,7 +33,7 @@ static inline struct sock *io_uring_get_socket(struct file *file) static inline void io_uring_task_cancel(void) { } -static inline void io_uring_files_cancel(struct files_struct *files) +static inline void io_uring_files_cancel(void) { } static inline void io_uring_free(struct task_struct *tsk) diff --git a/include/linux/socket.h b/include/linux/socket.h index 0d8e3dcb7f88..d3c1a42a2edd 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -421,6 +421,9 @@ extern int __sys_accept4_file(struct file *file, unsigned file_flags, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen, int flags, unsigned long nofile); +extern struct file *do_accept(struct file *file, unsigned file_flags, + struct sockaddr __user *upeer_sockaddr, + int __user *upeer_addrlen, int flags); extern int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen, int flags); extern int __sys_socket(int family, int type, int protocol); diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 79126d5cd289..3caec9199658 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -55,7 +55,10 @@ struct io_uring_sqe { } __attribute__((packed)); /* personality to use, if used */ __u16 personality; - __s32 splice_fd_in; + union { + __s32 splice_fd_in; + __u32 file_index; + }; __u64 __pad2[2]; }; @@ -146,9 +149,13 @@ enum { /* * sqe->timeout_flags */ -#define IORING_TIMEOUT_ABS (1U << 0) -#define IORING_TIMEOUT_UPDATE (1U << 1) - +#define IORING_TIMEOUT_ABS (1U << 0) +#define IORING_TIMEOUT_UPDATE (1U << 1) +#define IORING_TIMEOUT_BOOTTIME (1U << 2) +#define IORING_TIMEOUT_REALTIME (1U << 3) +#define IORING_LINK_TIMEOUT_UPDATE (1U << 4) +#define IORING_TIMEOUT_CLOCK_MASK (IORING_TIMEOUT_BOOTTIME | IORING_TIMEOUT_REALTIME) +#define IORING_TIMEOUT_UPDATE_MASK (IORING_TIMEOUT_UPDATE | IORING_LINK_TIMEOUT_UPDATE) /* * sqe->splice_flags * extends splice(2) flags @@ -306,6 +313,9 @@ enum { IORING_REGISTER_IOWQ_AFF = 17, IORING_UNREGISTER_IOWQ_AFF = 18, + /* set/get max number of workers */ + IORING_REGISTER_IOWQ_MAX_WORKERS = 19, + /* this goes last */ IORING_REGISTER_LAST }; |