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Code Issues Releases Wiki Activity

io_uring: remove not needed PF_EXITING check

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Since cancellation got moved before exit_signals(), there is no one left
who can call io_run_task_work() with PF_EXIING set, so remove the check.
Note that __io_req_task_submit() still needs a similar check.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/f7f305ececb1e6044ea649fb983ca754805bb884.1624739600.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-06-26 21:40:46 +01:00 committed by Jens Axboe
parent dd432ea520
commit e5dc480d4e
1 changed files with 2 additions and 7 deletions
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9
fs/io_uring.c
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@ -2235,12 +2235,6 @@ static inline unsigned int io_put_rw_kbuf(struct io_kiocb *req)
static inline bool io_run_task_work(void)
{
/*
* Not safe to run on exiting task, and the task_work handling will
* not add work to such a task.
*/
if (unlikely(current->flags & PF_EXITING))
return false;
if (current->task_works) {
__set_current_state(TASK_RUNNING);
task_work_run();
@ -9020,7 +9014,8 @@ static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
ret |= io_cancel_defer_files(ctx, task, cancel_all);
ret |= io_poll_remove_all(ctx, task, cancel_all);
ret |= io_kill_timeouts(ctx, task, cancel_all);
ret |= io_run_task_work();
if (task)
ret |= io_run_task_work();
ret |= io_run_ctx_fallback(ctx);
if (!ret)
break;