io_uring: allow IO worker threads to be frozen

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With the freezer using the proper signaling to notify us of when it's
time to freeze a thread, we can re-enable normal freezer usage for the
IO threads. Ensure that SQPOLL, io-wq, and the io-wq manager call
try_to_freeze() appropriately, and remove the default setting of
PF_NOFREEZE from create_io_thread().

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2021-03-12 20:26:13 -07:00

parent 15b2219fac

commit 16efa4fce3

3 changed files with 6 additions and 2 deletions

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6

fs/io-wq.c

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1

fs/io_uring.c

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1

kernel/fork.c

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