osd_types.h: pass eversion_t by reference to operator<<

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/osd/osd_types.h b/src/osd/osd_types.h
index 092d6ccbf6fadb62272a68c682509fe155849973..0c68a531aafea6c1b855705842f2ea3f83d2ba05 100644 (file)
--- a/src/osd/osd_types.h
+++ b/src/osd/osd_types.h
@@ -637,7 +637,7 @@ inline bool operator>(const eversion_t& l, const eversion_t& r) {
 inline bool operator>=(const eversion_t& l, const eversion_t& r) {
   return (l.epoch == r.epoch) ? (l.version >= r.version):(l.epoch >= r.epoch);
 }
-inline ostream& operator<<(ostream& out, const eversion_t e) {
+inline ostream& operator<<(ostream& out, const eversion_t& e) {
   return out << e.epoch << "'" << e.version;
 }