(don't top post!) On Mon, Jul 04 2005, Shawn Starr wrote: > > We could put it in userspace, but if the system is > swapping like mad, can we still get a critical > response if this remains in userspace fully?
Just make sure the program isn't swapped out. > Someone mentioned we should use a kernel thread(s) to > handle stopping all I/O so we can safely park heads. That's madness, we can't add a kernel thread for every single little silly thing. You don't need to stop any io, you just want to make sure that your park request gets issued right after the current io has finished. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/