Actually, I guess hal needs to be updated.
There should be an <append key="volume.mount.valid_options" type="strlist">usefree</append>
around line 181 in 20-storage-methods.fdi
Once that's there, then you can use "usefree" in values for the gconf key /system/storage/default_options/vfat/mount_options
Actually, I guess hal needs to be updated.
There should be an <append key="volume. mount.valid_ options" type="strlist" >usefree< /append>
around line 181 in 20-storage- methods. fdi
Once that's there, then you can use "usefree" in values for the gconf key /system/ storage/ default_ options/ vfat/mount_ options