io_uring: stash ctx task reference for SQPOLL

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We can grab a reference to the task instead of stashing away the task
files_struct. This is doable without creating a circular reference
between the ring fd and the task itself.

Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2020-09-14 10:45:53 -06:00

parent f573d38445

commit 2aede0e417

1 changed files with 34 additions and 13 deletions

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fs/io_uring.c

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