Am 23.07.2015 um 10:08 hat Paolo Bonzini geschrieben: > > > On 23/07/2015 10:03, Markus Armbruster wrote: > > > >> > v2: > >> > * Banish CONFIG_LINUX_AIO from blockdev.c, that is raw-posix.c's > >> > business > >> > [Kevin] > >> > * Print the warning in the same way as the aio=native,cache.direct=off > >> > deprecation warning [Kevin] > >> > > >> > Open question: what about the Windows case? We now pass the > >> > FILE_FLAG_OVERLAPPED flag which we didn't do before for -drive > >> > aio=native. > > Odd. Commit a273652 takes the trouble to implement native asynchronous > > I/O there, but unless CONFIG_LINUX_AIO somehow gets defined, it's > > unreachable, isn't it? Paolo? > > I don't remember how I tested that code, but it's probably been dead > code since it was committed. If it's bitrot and thus these patches > break it, I will fix it.
The tools use a different path, so qemu-img/io would have correctly used AIO on Windows. Kevin
