On Fri, Sep 30, 2005 at 02:22:34PM -0600, Matthew Wilcox wrote: > There's precedent for binary data in sysfs -- pci config space is one. binary data in sysfs is for stuff that is just a "pass through" for the kernel. Copying the pci config space, in raw form from the device to userspace is one such example. Firmware blobs is another one. Binary data in sysfs is _not_ for exporting kernel structures or other data that the kernel "understands" and manipulates. Hope this helps, greg k-h - : 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