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io_uring: warn on not destroyed io-wq 

Make sure that we killed an io-wq by the time a task is dead.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
master
Pavel Begunkov 2021-02-27 11:16:45 +00:00 committed by Jens Axboe
parent 1d5f360dd1
commit ef8eaa4e65
1 changed files with 2 additions and 0 deletions
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2
fs/io_uring.c
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@ -7843,6 +7843,8 @@ void __io_uring_free(struct task_struct *tsk)
struct io_uring_task *tctx = tsk->io_uring;
WARN_ON_ONCE(!xa_empty(&tctx->xa));
WARN_ON_ONCE(tctx->io_wq);
percpu_counter_destroy(&tctx->inflight);
kfree(tctx);
tsk->io_uring = NULL;