On Mon, 8 Oct 2012, 杨苏立 Yang Su Li wrote: > Hi, > > I have noticed this mailing list has been intensively used to discuss > patch development discussion. So please let me know if I should move > my question to more appropriate places. > > In order to experiment something I need to pretend that my phone has a > super fast SD card (faster than what is available in the market). So I > want to simulate it through desktop ramdisk (which is basically disk > in memory). And here is basically my plan: > > 1. Get an USB-OTG enabled phone (say Samsung galaxy nexus) > > 2. Connect this phone to a desktop via USB. > > 3. Naturally this phone will have some kind of USB driver running. > > 4. In the desktop I run the File-backed Storage Gadget (FSG), which > make an USB host to be an USB slave, and presents a block device > interface to the host which is backed by a ramdisk. > > 5. In the phone, mount the FSG mass storage just as an ordinary disk. Instead of going to all this trouble, why not just create a ramdisk on the phone itself? Then you can pretend that the ramdisk is a super-fast SD card. Alan Stern -- 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
