Ceph

Please confirm the licensing information for the following files:

Files: src/test/librbd/fsx.c
Copyright: 1991, NeXT Computer, Inc. All Rights Reserverd.
License: ?

There is no license information so this file might be non-free.

Files: src/java/java/com/ceph/crush/Bucket.java
src/java/java/com/ceph/fs/*.java
Copyright: ?
License: MIT

There is no copyright information for those files. A valid copyright statement including year and copyright owner needs to be added. From git history it looks like those files was committed by "Noah Watkins <noahwatkins@gmail.com>". Is he copyright holder?

Files: src/mount/mtab.c

this code lifted from util-linux-ng, licensed GPLv2+

Although source of this file is documented, this file is lacking copyright statement as well.

Please document.