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This is cleaner than having the app juggle an SQ and CQ ring,
just wrap them in struct io_uring and have the API always take
that. This means the app doesn't need to worry about the different
types of rings, and that we only need to pass in one argument
for setup/teardown.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Returns the iocb associated with a completion event.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This now exposes two helpers:
io_uring_get_completion()
Return a completion, if we have one (or more) available in
the ring
io_uring_wait_completion()
Return a completion, waiting for it if necessary
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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