On Thu, 7 Dec 2006, Joerg Schilling wrote: > Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > > On Wed, 6 Dec 2006, Mike Christie wrote: > > > > > Alternatively, if we do start not checking values like max sectors and > > > send requests down to the drivers, the block layer mapping functions can > > > be modified to not check certain values and LLDs/scsi-ml can return > > > these BLKERR values all the way up to sg/bsg/scsi_ioctl.c for values > > > that they need to check. > > > > I bet in many cases the LLD depends on the higher layers to filter out > > transfers that are too large. Duplicating all those tests in all the LLDs > > seems like a waste. > > Once you are done with the implementation details, could you tell me what you > decided to add for the final implementation? I will. If everything goes well then BLKSECTGET will be made to work with the SCSI-Generic interface as well as with the usual block device files, so you'll be able to use it with any file descriptor for a CD or DVD drive. 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
