io_uring: simplify io_rsrc_data refcounting
We don't take many references of struct io_rsrc_data, only one per each io_rsrc_node, so using percpu refs is overkill. Use atomic ref instead, which is much simpler. Signed-off-by:Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/1551d90f7c9b183cf2f0d7b5e5b923430acb03fa.1618101759.git.asml.silence@gmail.com Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
a1ff1e3f
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