> Also, how do you do async fstat and mkdir in Linux? I don't see it in manpages. io_uring. and a virtual filesystem may have to serve multiple concurrent requ

> Also, how do you do async fstat and mkdir in Linux? I don't see it in manpages. io_uring. and a virtual filesystem may have to serve multiple concurrent requests from several threads. so even if individual IO calls are blocking in the aggregate they still have to be interleaved.