ceph/ceph — pull request #708 by ukernel (2013-10-11 07:38:56+00:00)
Title: mds: avoid leaking objects after purging file.

The filer implementation does not delete stripe objects that are truncated
to zero. When purging a deleted file, we need to purge stripe objects up to
the max size the file has ever been.

Signed-off-by: Yan, Zheng