io-wq: don't retry task_work creation failure on fatal conditions
We don't want to be retrying task_work creation failure if there's an actual signal pending for the parent task. If we do, then we can enter an infinite loop of perpetually retrying and each retry failing with -ERESTARTNOINTR because a signal is pending. Fixes: 3146cba9 ("io-wq: make worker creation resilient against signals") Reported-by:Florian Fischer <florian.fl.fischer@fau.de> Link: https://lore.kernel.org/io-uring/20211202165606.mqryio4yzubl7ms5@pasture/ Tested-by:
Florian Fischer <florian.fl.fischer@fau.de> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
f6223ff7
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