#3293 fix the maybe trim logfile boundary condition refs[t:3293]

git-svn-id: file:///svn/toku/tokudb@28522 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/logger.c

@@ -715,7 +715,7 @@ int toku_logger_maybe_trim_log(TOKULOGGER logger, LSN trim_lsn)
             uint32_t log_version;
             lf_info = toku_logfilemgr_get_oldest_logfile_info(lfm);
             log_version = lf_info->version;
-            if ( lf_info->maxlsn.lsn > trim_lsn.lsn ) {
+            if ( lf_info->maxlsn.lsn >= trim_lsn.lsn ) {
                 // file contains an open LSN, can't delete this or any newer log files
                 break;
             }

newbrt/tests/logcursor-empty-logfile-3.c

@@ -146,7 +146,7 @@ test_main (int argc, const char *argv[]) {
         r = toku_logger_open(dname, logger);  assert(r==0);
 
         r = toku_logger_maybe_trim_log(logger, trim_lsn);
-        assert( toku_logfilemgr_num_logfiles(logger->logfilemgr) == 3 ); // untrimmed log, empty log, plus newly openned log
+        assert( toku_logfilemgr_num_logfiles(logger->logfilemgr) == 4 ); // untrimmed log, empty log, plus newly openned log
 
         r = toku_logger_close(&logger);
     }