tree f416befcd63c5b93b227df4280afb18e00335c27
parent b195befd9acb514dd2afb722e63fdd880ed63217
author Sage Weil <sage@newdream.net> 1254938374 -0700
committer Sage Weil <sage@newdream.net> 1254938374 -0700

ceph: gracefully avoid empty crush buckets

This avoids a divide by zero when the input and/or map are
malformed.

Signed-off-by: Sage Weil <sage@newdream.net>