diff options
| author | Jens Axboe <axboe@kernel.dk> | 2026-01-17 01:28:58 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-02-06 17:29:14 +0300 |
| commit | 9fd99788f3e5a129908c242bb29946077ca46611 (patch) | |
| tree | e70e04809c1cc4d7466da5d2ede77b1861e054c0 /include/linux | |
| parent | e7f67c2be7877a3d44aa79b8d22eae8cb6e2c6d6 (diff) | |
| download | linux-9fd99788f3e5a129908c242bb29946077ca46611.tar.xz | |
io_uring: add task fork hook
Called when copy_process() is called to copy state to a new child.
Right now this is just a stub, but will be used shortly to properly
handle fork'ing of task based io_uring restrictions.
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/io_uring.h | 14 | ||||
| -rw-r--r-- | include/linux/sched.h | 1 |
2 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h index 85fe4e6b275c..d1aa4edfc2a5 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -12,6 +12,7 @@ void __io_uring_free(struct task_struct *tsk); void io_uring_unreg_ringfd(void); const char *io_uring_get_opcode(u8 opcode); bool io_is_uring_fops(struct file *file); +int __io_uring_fork(struct task_struct *tsk); static inline void io_uring_files_cancel(void) { @@ -25,9 +26,16 @@ static inline void io_uring_task_cancel(void) } static inline void io_uring_free(struct task_struct *tsk) { - if (tsk->io_uring) + if (tsk->io_uring || tsk->io_uring_restrict) __io_uring_free(tsk); } +static inline int io_uring_fork(struct task_struct *tsk) +{ + if (tsk->io_uring_restrict) + return __io_uring_fork(tsk); + + return 0; +} #else static inline void io_uring_task_cancel(void) { @@ -46,6 +54,10 @@ static inline bool io_is_uring_fops(struct file *file) { return false; } +static inline int io_uring_fork(struct task_struct *tsk) +{ + return 0; +} #endif #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index d395f2810fac..9abbd11bb87c 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1190,6 +1190,7 @@ struct task_struct { #ifdef CONFIG_IO_URING struct io_uring_task *io_uring; + struct io_restriction *io_uring_restrict; #endif /* Namespaces: */ |