On Wed, 6 Feb 2008, Matthew Dharm wrote: > Maybe this is a crazy question, but... > > Why is this not in the SCSI core? Or even in the block core? > It's hardly USB-specific, and I'm > willing to bet that there are other HCDs (at least spb2) which need to do > this sort of thing... James, do you have any idea? What we're talking about is a routine that provides drivers a simple way to access the data in a scatter-gather buffer (which may lie in highmem or otherwise not be easily reachable). The idea is that some commands are emulated by the driver rather than carried out by the device, and the driver needs some way to stick the results in the transfer buffer. Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
