specifically, http://hal.freedesktop.org/docs/udisks/udisks.7.html
setting ID_DRIVE_DETACHABLE to 0 and all the properties for ID_DRIVE_FLASH_SD (and friends)
a helper could probably be put together like the other helpers in udev to do this automatically based on the vendor, and detecting the media format
specifically, http:// hal.freedesktop .org/docs/ udisks/ udisks. 7.html
setting ID_DRIVE_DETACHABLE to 0
and all the properties for ID_DRIVE_FLASH_SD (and friends)
a helper could probably be put together like the other helpers in udev to do this automatically based on the vendor, and detecting the media format