So, it's been a while since we looked at this.... Would the HCD folks be willing to look at supporting scatter-gather via the API?
Matt On Sat, Sep 22, 2001 at 05:54:54PM -0700, Matthew Dharm wrote: > Actually, the SCSI layer allocated sg elements in multiples of various > powers of 2, so I (luckily) don't have to worry about the "chunkyness" > problem. > > Frankly, I really don't care if we have to have some of the aforementioned > restrictions on sg lists -- I'd rather have working sg, and worry about > removing some of the more annoying restrictions later. Of course, I'm a > big fan of incremental development.... :) > > Matt > > On Sat, Sep 22, 2001 at 07:13:41PM -0400, Johannes Erdfelt wrote: > > On Wed, Sep 19, 2001, David Brownell <[EMAIL PROTECTED]> wrote: > > > If the driver submits a group of requests to of > > > sizes 16 bytes, 10 bytes, 14 bytes ... I'd expect > > > the driver to know the device would handle that! > > > And to be responsible for recovering in any case > > > where it couldn't. > > > > > > The USB transfer model is "chunky", and it'd > > > be error-prone (IMO) to try to present any > > > kind of non-chunky model to drivers. > > > > Absolutely. I'm just not sure that the SCSI layer will do that and more > > importantly if all USB storage devices will handle it gracefully. > > > > USB storage being the obvious first driver to take advantage of > > scatter/gather. > > > > JE > > > > > > _______________________________________________ > > [EMAIL PROTECTED] > > To unsubscribe, use the last form field at: > > https://lists.sourceforge.net/lists/listinfo/linux-usb-devel > > -- > Matthew Dharm Home: [EMAIL PROTECTED] > Maintainer, Linux USB Mass Storage Driver > > I'm just trying to think of a way to say "up yours" without getting fired. > -- Stef > User Friendly, 10/8/1998 -- Matthew Dharm Home: [EMAIL PROTECTED] Maintainer, Linux USB Mass Storage Driver Way to go, lava boy. -- Stef to Greg User Friendly, 3/26/1998
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