From f552a27afe67f05c47bb0c33b92af2a23b684c31 Mon Sep 17 00:00:00 2001 From: Hao Xu Date: Thu, 12 Aug 2021 12:14:35 +0800 Subject: [PATCH] io_uring: remove files pointer in cancellation functions When doing cancellation, we use a parameter to indicate where it's from do_exit or exec. So a boolean value is good enough for this, remove the struct files* as it is not necessary. Signed-off-by: Hao Xu [axboe: fixup io_uring_files_cancel for !CONFIG_IO_URING] Signed-off-by: Jens Axboe --- fs/io_uring.c | 4 ++-- include/linux/io_uring.h | 10 +++++----- kernel/exit.c | 2 +- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 4f5a00707644..7626cad93f60 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -9213,9 +9213,9 @@ static void io_uring_cancel_generic(bool cancel_all, struct io_sq_data *sqd) } } -void __io_uring_cancel(struct files_struct *files) +void __io_uring_cancel(bool cancel_all) { - io_uring_cancel_generic(!files, NULL); + io_uring_cancel_generic(cancel_all, NULL); } static void *io_uring_validate_mmap_request(struct file *file, diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h index ed13304e764c..649a4d7c241b 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -7,18 +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) { if (current->io_uring) - __io_uring_cancel(NULL); + __io_uring_cancel(true); } static inline void io_uring_free(struct task_struct *tsk) { @@ -33,7 +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/kernel/exit.c b/kernel/exit.c index 9a89e7f36acb..91a43e57a32e 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -777,7 +777,7 @@ void __noreturn do_exit(long code) schedule(); } - io_uring_files_cancel(tsk->files); + io_uring_files_cancel(); exit_signals(tsk); /* sets PF_EXITING */ /* sync mm's RSS info before statistics gathering */ -- 2.20.1