io_uring: warn when ring exit takes too long
We use system_unbound_wq to run io_ring_exit_work(), so it's hard to monitor whether removal hang or not. Add WARN_ONCE to catch hangs. Signed-off-by:Pavel Begunkov <asml.silence@gmail.com> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
baf186c4
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