I attached the patch for this bug. I hope it will be fine!
diff -u util-linux-2.20.1/debian/changelog util-linux-2.20.1/debian/changelog --- util-linux-2.20.1/debian/changelog +++ util-linux-2.20.1/debian/changelog @@ -1,3 +1,10 @@ +util-linux (2.20.1-5.1ubuntu5) raring; urgency=low + + * Nofail and iversion are options itself, not continuation of 'keybits' + in mount/mount.8 (Closes: #697881) + + -- Alessandro Losavio <alessandro.losa...@yahoo.com> Wed, 09 Jan 2013 20:53:07 +0000 + util-linux (2.20.1-5.1ubuntu4) raring; urgency=low * Configure with --disable-silent-rules. diff -u util-linux-2.20.1/mount/mount.8 util-linux-2.20.1/mount/mount.8 --- util-linux-2.20.1/mount/mount.8 +++ util-linux-2.20.1/mount/mount.8 @@ -917,8 +917,10 @@ Specifies the key size to use for an encryption algorithm. Used in conjunction with the .BR loop " and " encryption " options." +.TP .B nofail Do not report errors for this device if it does not exist. +.TP .B iversion Every time the inode is modified, the i_version field will be incremented. .TP