On Mon, 3 Oct 2005, Troy Benjegerdes wrote:
Why is there a posix async IO 'standard', but a different linux AIO standard?
Because the Posix AIO sucks quite badly both to implement and use.
But all Linuxes I know of have a Posix AIO library. Some even have a Posix
AIO library using Linux AIO.
Having something that wraps both Linux-native AIO and posix async I/O
might make supporting it a little easier to swallow on cross-platform
applications.
If you anyway plan on having Posix AIO support then go for the Posix AIO
interface. The performance reasons why Linux AIO exists is very unlikely
to be an issue to qemu as you need to be quite I/O intensive to see any
performance difference.
Regards
Henrik
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