reported as issue
https://tracker.ceph.com/issues/50133

needed for 32bit platforms

--- aa/src/log/LogClock.h
+++ bb/src/log/LogClock.h
@@ -12,10 +12,6 @@
 #include "include/ceph_assert.h"
 #include "common/ceph_time.h"
 
-#ifndef suseconds_t
-typedef long suseconds_t;
-#endif
-
 namespace ceph {
 namespace logging {
 namespace _logclock {