io_uring/rsrc: cache struct io_rsrc_node
Add allocation cache for struct io_rsrc_node, it's always allocated and put under ->uring_lock, so it doesn't need any extra synchronisation around caches. Signed-off-by:Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/252a9d9ef9654e6467af30fdc02f57c0118fb76e.1680576071.git.asml.silence@gmail.com Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
36b9818a
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