Hi. On Mon, 2007-04-02 at 21:36 +0200, Pavel Machek wrote: > Hi! > > > > But you're still likely to run into trouble if you unplug a storage > > > device, move it to another system and write on it, then plug it back into > > > the original system. The PLVM would somehow have to recognize that the > > > data had been changed. I don't know a foolproof way of doing that. > > > > > > > Mark the filesystem as in-use with a one-time UUID in the superblock at > > mount time. If one moved the drive to another system it would require > > an fsck to clear the UUID before the other system could use it; then > > the original machine would refuse to use the drive when the UUID didn't > > match on resume. > > You still need fs-specific code, I'm afraid... plus userland tool > to reset signatures back.
You don't need userland to reset the signatures. More kernel code, sure. But it doesn't _need_ to be userland. Regards, Nigel ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
