io_uring: kill sqo_dead and sqo submission halting

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As SQPOLL task doesn't poke into ->sqo_task anymore, there is no need to
kill the sqo when the master task exits. Before it was necessary to
avoid races accessing sqo_task->files with removing them.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
[axboe: don't forget to enable SQPOLL before exit, if started disabled]
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2021-03-01 13:02:15 +00:00 • committed by Jens Axboe

parent 1c3b3e6527

commit 70aacfe661

1 changed files with 8 additions and 37 deletions

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fs/io_uring.c

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