On Mon, 21 Jan 2002 07:28, Oleg Drokin wrote: > > USB by it's nature is something external to the system. Unplugging a USB > > cable with a mounted drive attached should (IMHO) get the same result as > > unplugging an Ethernet cable with an NFS mount in progress. This means > > processes go into D state if they have outstanding writes, and for reads > > they may go D state depending on mount options, and then you wait for the > > device to become available again. > > How do you distinguish between SCSI & USB storage in Linux on fs level? ;)
You can have SCSI and IDE unpluggable devices too... > > For a file system on USB ReiserFS would have to recheck the superblock > > (to make sure that it hasn't been mounted on another computer in the mean > > time) before allowing access again. Also there would have to be a > > recovery process for the situation when the USB device is gone for good. > > Sound not very easy to do ;) True. Writing a good file system is never easy. -- http://www.coker.com.au/bonnie++/ Bonnie++ hard drive benchmark http://www.coker.com.au/postal/ Postal SMTP/POP benchmark http://www.coker.com.au/projects.html Projects I am working on http://www.coker.com.au/~russell/ My home page
