I have an interest in this being checked for fixed media as well, we want to expose the underlying physical array components, but read & write protected to protect the array contents. Christoph asked for us to use the scsi layer for this check rather than spoofing it in the driver. The other alternative is to add yet another device flag to enforce this. Sincerely -- Mark Salyzyn > -----Original Message----- > From: linux-scsi-owner@xxxxxxxxxxxxxxx > [mailto:linux-scsi-owner@xxxxxxxxxxxxxxx] On Behalf Of Alan Stern > Sent: Thursday, December 08, 2005 1:22 PM > To: SCSI development list; Alan Cox > Cc: Dmitry Antipov > Subject: Write-protect checks > > > On Thu, 8 Dec 2005, Alan Cox wrote: > > > On Iau, 2005-12-08 at 11:00 -0500, Alan Stern wrote: > > > module parameter. For some reason (don't ask me why -- I > don't know) the > > > SCSI core doesn't check a disk device's write-protect > status unless the > > > device is marked as removable. > > > > Have you asked the scsi maintainers why this occurs. Having > had a quick > > look over the specs I have here I can't see why this is done either. > > No, I haven't. > > Okay guys. Does anyone know why sd.c calls > sd_read_write_protect_flag > only for devices with removable media? > > Alan Stern > > - > : 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 > - : 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
