On Sun, 22 May 2005 15:03:59 -0700, David Brownell <[EMAIL PROTECTED]> wrote:
> > > I seem to recall you saying, at some point, that scatter-gather may now be > > > reliable enough for ub to use; could that at least bring performance up to > > > usable levels, even if it doesn't fix this? (I can't find where you might > > > have said that, though, so I might be imagining things.) > > > > I don't know if it's reliable or not, it is to be tested. > > It's reliable enough to regularly pass regression/stress tests; > and usb-storage uses it all the time. It's been in heavy use > for several years now too. Most people would call that "reliable", > given the strong lack of error reports. You are getting defensive for no reason, David. If it weren't reliable enough I would reimplement it inside ub or its support library, but instead I use message.c (ok, just started to use). However, it will need to settle in again after the refactoring. > > A secondary problem is that the API allows no preallocations, which > > I like to use ever since the PF_MEMALLOC story. > > I don't know what you're talking about. usb_sg_init() preallocates > everything that usbcore allows to be pre-allocated. [] It's all in one flagon and I need buffer address to be changed. Anyway, just wait for the patch. It's getting longer than I expected. -- Pete ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? Enter now for the Oracle Space Sweepstakes! http://ads.osdn.com/?ad_id=7412&alloc_id=16344&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
