io_uring: share completion list w/ per-op space

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Calling io_req_complete(req) means that the request is done, and there
is nothing left but to clean it up. That also means that per-op data
after that should not be used, so we're free to reuse it in completion
path, e.g. to store overflow_list as done in this patch.

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

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Pavel Begunkov 2020-07-13 23:37:08 +03:00 • committed by Jens Axboe

parent 252917c30f

commit 3ca405ebfc

1 changed files with 20 additions and 7 deletions

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fs/io_uring.c

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