From: Sage Weil <sage@inktank.com>
Date: Sat, 1 Mar 2014 10:29:38 +0000 (-0800)
Subject: osd/ReplicatedPG: fix agent division by zero
X-Git-Tag: v0.78~94^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=eddf7b68ffd2cb17047fb0ed243f15c8d262efb8;p=ceph.git

osd/ReplicatedPG: fix agent division by zero

If the pool is empty we cannot divide by the object count.

Signed-off-by: Sage Weil <sage@inktank.com>
---

diff --git a/src/osd/ReplicatedPG.cc b/src/osd/ReplicatedPG.cc
index 32171c3ba4bb..eab9570454a9 100644
--- a/src/osd/ReplicatedPG.cc
+++ b/src/osd/ReplicatedPG.cc
@@ -10753,7 +10753,7 @@ void ReplicatedPG::agent_choose_mode()
   // get dirty, full ratios
   uint64_t dirty_micro = 0;
   uint64_t full_micro = 0;
-  if (pool.info.target_max_bytes) {
+  if (pool.info.target_max_bytes && info.stats.stats.sum.num_objects) {
     uint64_t avg_size = info.stats.stats.sum.num_bytes /
       info.stats.stats.sum.num_objects;
     dirty_micro =