Re: Syslets, Threadlets, generic AIO support, v6

[Zach Brown]

> Yeah, it'll confuse CFQ a lot actually. The threads either need to share
> an io context (clean approach, however will introduce locking for things
> that were previously lockless), or CFQ needs to get better support for
> cooperating processes.

Do let me know if I can be of any help in this.

> For the fio testing, we can make some improvements there. Right now you
> don't get any concurrency of the io requests if you set eg iodepth=32,
> as the 32 requests will be submitted as a linked chain of atoms. For io
> saturation, that's not really what you want.

Just to be clear: I'm currently focusing on supporting sys_io_*() so I'm
using fio's libaio engine.  I'm not testing the syslet syscall interface
yet.

- z
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