Skunk Worx wrote: > fc6 user...basic fs question. > > Suppose I am root/UID 0. Is there a way to create a file in someone > else's (non-uid-0) FS hierarchy and have it be immutable? No rename, etc.? > > I'm trying to do a hot-plug of disk keys and I would like to put some of > my own bytes somewhere so I know whether or not I've seen the disk key > before. > > Some years ago I used SGI machines and they had a file system with a > volume header I could use. I don't think extX has such a capability. > > I'm pretty sure the answer is no, but I figured I'd ask anyway. > > Thanks, > John > Another approach might be to use e2label. One thing to be aware of is that HAL will use that label as the mount point when auto-mounting. For example, a partition labeled Pictures will get mounted on /media/Pictures unless you have ether fstab or HAL rules specifying a different mount point. One other thing - you can test the device serial number in udev. Getting it after udev is done is harder - hdparm will return it for read drives, and you can get it from /proc/bus/usb/devices for USB devices. (You should be able to get it from the /sys file system as well, but don't ask me how...) Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
