On Mon, Nov 19, 2012 at 03:41:16PM +0000, Richard W.M. Jones wrote: > https://bugzilla.redhat.com/show_bug.cgi?id=872831 > https://bugzilla.redhat.com/show_bug.cgi?id=865961 > > Unfortunately this means you nearly always need to use the --force > option with wipefs when trying to wipe something which is not an > unmounted filesystem. > > Tested using a modified version of libguestfs which detects if wipefs > supports the --force option, and if it does unconditionally adds it. > I verified that this fixes the virt-format utility on Fedora 18. Applied, thanks. > This change adds the --force option which, when used, undoes the above > flag change. However you still have to use --force most of the time > when erasing something that isn't a plain unmounted filesystem. I'll improve the code. It's stupid disadvantage that --force is necessary for things like partitions tables. We have to use O_EXCL more carefully. Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html