osd: fix a signed/unsigned warning in PG

It would be nice if the stats were unsigned, since they can't go negative,
but that's not the world we live in.
(Also, we probably use these structures as deltas which *do*
need to go negative? I didn't check.)

Signed-off-by: Greg Farnum <gfarnum@redhat.com>

diff --git a/src/osd/PG.cc b/src/osd/PG.cc
index 3a75d8932e92829d7c28ef3dbbf4dcbe3e9e164b..e6994c284f70cf31346338389856b60004734680 100644 (file)
--- a/src/osd/PG.cc
+++ b/src/osd/PG.cc
@@ -2584,7 +2584,7 @@ void PG::_update_calc_stats()
   if ((is_degraded() || is_undersized() || !is_clean()) && is_peered()) {
     // NOTE: we only generate copies, degraded, misplaced and unfound
     // values for the summation, not individual stat categories.
-    uint64_t num_objects = info.stats.stats.sum.num_objects;
+    int64_t num_objects = info.stats.stats.sum.num_objects;
 
     // Total sum of all missing
     int64_t missing = 0;