On Tue, 28 Oct 2008, James Smart wrote: > Checking the payload like this is really hokey - but probably works. I agree completely; it _is_ hokey. There is precedent, however -- scsi_mode_sense() behaves similarly. > Have we lost all notion from the LLDD on what the actual payload length > was (calculated by expected transfer length and resid) ? In short: Yes, we have. That information is discarded by scsi_execute(). > Seems like a > much better idea than just checking contents. Again I agree. The SCSI midlayer simply is not designed around the idea of LLD's returning an actual transfer length. I have no idea why not -- I wasn't there when the SCSI core was initially designed. :-) 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
