ceph/ceph — pull request #1835 by athanatos (2014-05-19 21:41:40+00:00)
Title: HashIndex: in cleanup, interpret missing dir as completed merge

If we stop between unlinking the empty subdir and removing the root
merge marker, we get ENOENT on the get_info. That's actually fine.

Backport: firefly
Fixes: 8332
Signed-off-by: Samuel Just