On 7/8/20 4:26 PM, Matthew Wilcox (Oracle) wrote: > Save a pointer in the kiocb by using a few bits in ki_flags to index > a table of completion functions. I ran polled and regular IO testing through io_uring, which exercises both completions that we have in there, and it works just fine for me. Didn't test anything beyond that, outside of ensuring the kernel also booted ;-) -- Jens Axboe