On Wed, Dec 16, 2009 at 8:43 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > Isn't just changing a block device's size at random times a bad thing > to do? The size gets used a for a bunch of different things (checking > partition boundaries, validating I/O block ranges, and so on). Forcefully extending partition boundaries and I/O block ranges was just what I had in mind. My card reader was listed as being compatible with card >1GB, and I suspected that this was only verified under Windows. I knew that Windows believed in the partition table more strongly than into device boundaries, so I figured that would probably work. And it did. > A lot of older card readers can't handle cards larger than 1 or 2 GB (I > forget which). Or they see that the card has a larger block size and > then don't report it to the host. That was quite helpful to me http://www.hjreggel.net/cardspeed/special-sd.html -- Fruhwirth Clemens http://clemens.endorphin.org -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html