On Friday 06 April 2012 10:41, Florian Fainelli wrote: > I have been recently caught by an interesting issue, illustrated by the > following use case: > > "foo" is a cramfs filesystem file which might help illustrate the issue > below: > > 1) loopback mount "foo" to mount point /bar > 2) umount /bar > 3) append new files and re-generate the "foo" cramfs image > 4) loopback mount "foo" to mount point /bar again > 5) the contents of /bar are the same as in 1) and not 3) > > the reason for this is because busybox has not deleted the "foo" <-> > loopback device mapping, so when we attempt to mount again "foo", the > mapping is already there, so the loopback device is not deleted then > re-created. > > util-linux' umount unconditionnaly deletes the loop device upon umount
It does that? Really? Which version of util-linux did you test? -- vda _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
