Wolfgang Denk <wd at denx.de> wrote?? > Why not? Of course you can. You just cannot write to it.
But I know little on application code's behavior. I cannot adjust it's write operation, I am afraid. It's another folk's job to code the application. > > choice but use JFFS2 for deployment, which performance couldn't > > compare with RAMDISK.It's a pity that RAMDISK cannot update some > > info permanently. EXT2 seems not a > > You can use any filesystem, including one on a RAMDISK. Good hints. I don't really want to give up RAMDISK for it has a better performance than JFFS2 and EXT2. > If the root filesystem happens to be read-only, you just need to > provide a writable filesystem for those things that need to get > written. In case of data that may Recently, I have been thinking about to build up a sector on FLASH for R/W operation, like JFFS2. Then my root fileystem still keeps as RAMDISK. So I can get a fastest boot process and write sector while running. In your opinion, this way should work. Right? > get lost at reboot you can use tmpfs, and for persistent storage you > can use JFFS2. tmfs is new to me but interesting. I will try it. Thanks for your further help a lot! Sam ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
