ceph/ceph — pull request #1170 by idryomov (2014-01-30 21:08:55+00:00)
Title: pybind: improve EnvironmentError output

Follow 70c7c9e600c5 ("pybind/rados.py: improve error output") and
improve EnvironmentError output for librbd and libcephfs too.

Signed-off-by: Ilya Dryomov