From MySQL:

After merge fixes.

handler/ha_innodb.cc

@@ -1768,25 +1768,6 @@ innobase_report_binlog_offset_and_commit(
 	trx->mysql_log_file_name = log_file_name;
 	trx->mysql_log_offset = (ib_longlong)end_offset;
 
-#ifdef HAVE_REPLICATION
-	if (thd->variables.sync_replication) {
-		/* Let us store the binlog file name and the position, so that
-		we know how long to wait for the binlog to the replicated to
-		the slave in synchronous replication. */
-
-		if (trx->repl_wait_binlog_name == NULL) {
-
-			trx->repl_wait_binlog_name =
-				  (char*)mem_alloc_noninline(FN_REFLEN + 100);
-		}
-
-		ut_a(strlen(log_file_name) < FN_REFLEN + 100);
-
-		strcpy(trx->repl_wait_binlog_name, log_file_name);
-
-		trx->repl_wait_binlog_pos = (ib_longlong)end_offset;
-	}
-#endif /* HAVE_REPLICATION */
 	trx->flush_log_later = TRUE;
 
 	innobase_commit(thd, TRUE);
@@ -1855,117 +1836,6 @@ innobase_commit_complete(
 		trx_commit_complete_for_mysql(trx);
 	}
 
-#ifdef HAVE_REPLICATION
-	if (thd->variables.sync_replication
-		&& trx->repl_wait_binlog_name
-		&& innobase_repl_state != 0) {
-
-		struct timespec abstime;
-		int	cmp;
-		int	ret;
-
-		/* In synchronous replication, let us wait until the MySQL
-		replication has sent the relevant binlog segment to the
-		replication slave. */
-
-		pthread_mutex_lock(&innobase_repl_cond_mutex);
-try_again:
-		if (innobase_repl_state == 0) {
-
-			pthread_mutex_unlock(&innobase_repl_cond_mutex);
-
-			return(0);
-		}
-
-		cmp = strcmp(innobase_repl_file_name,
-					trx->repl_wait_binlog_name);
-		if (cmp > 0
-			|| (cmp == 0 && innobase_repl_pos
-				>= (my_off_t)trx->repl_wait_binlog_pos)) {
-			/* We have already sent the relevant binlog to the
-			slave: no need to wait here */
-
-			pthread_mutex_unlock(&innobase_repl_cond_mutex);
-
-/*			printf("Binlog now sent\n"); */
-
-			return(0);
-		}
-
-		/* Let us update the info about the minimum binlog position
-		of waiting threads in the innobase_repl_... variables */
-
-		if (innobase_repl_wait_file_name_inited != 0) {
-			cmp = strcmp(trx->repl_wait_binlog_name,
-					innobase_repl_wait_file_name);
-			if (cmp < 0
-				|| (cmp == 0
-					&& (my_off_t)trx->repl_wait_binlog_pos
-					<= innobase_repl_wait_pos)) {
-				/* This thd has an even lower position, let
-				us update the minimum info */
-
-				strcpy(innobase_repl_wait_file_name,
-					trx->repl_wait_binlog_name);
-
-				innobase_repl_wait_pos =
-					trx->repl_wait_binlog_pos;
-			}
-		} else {
-			strcpy(innobase_repl_wait_file_name,
-						trx->repl_wait_binlog_name);
-
-			innobase_repl_wait_pos = trx->repl_wait_binlog_pos;
-
-			innobase_repl_wait_file_name_inited = 1;
-		}
-		set_timespec(abstime, thd->variables.sync_replication_timeout);
-
-		/* Let us suspend this thread to wait on the condition;
-		when replication has progressed far enough, we will release
-		these waiting threads. The following call
-		pthread_cond_timedwait also atomically unlocks
-		innobase_repl_cond_mutex. */
-
-		innobase_repl_n_wait_threads++;
-
-/*		printf("Waiting for binlog to be sent\n"); */
-
-		ret = pthread_cond_timedwait(&innobase_repl_cond,
-					&innobase_repl_cond_mutex, &abstime);
-		innobase_repl_n_wait_threads--;
-
-		if (ret != 0) {
-			ut_print_timestamp(stderr);
-
-			sql_print_error("MySQL synchronous replication was "
-					"not able to send the binlog to the "
-					"slave within the timeout %lu. We "
-					"assume that the slave has become "
-					"inaccessible, and switch off "
-					"synchronous replication until the "
-					"communication to the slave works "
-					"again. MySQL synchronous replication "
-					"has sent binlog to the slave up to "
-					"file %s, position %lu. This "
-					"transaction needs it to be sent up "
-					"to file %s, position %lu.",
-					thd->variables.sync_replication_timeout,
-					innobase_repl_file_name,
-					(ulong) innobase_repl_pos,
-					trx->repl_wait_binlog_name,
-					(ulong) trx->repl_wait_binlog_pos);
-
-			innobase_repl_state = 0;
-
-			pthread_mutex_unlock(&innobase_repl_cond_mutex);
-
-			return(0);
-		}
-
-		goto try_again;
-	}
-#endif // HAVE_REPLICATION
 	return(0);
 }
 

handler/ha_innodb.h

@@ -316,9 +316,6 @@ int innobase_rollback_by_xid(
 	XID	*xid);	/* in : X/Open XA Transaction Identification */
 
 
-int innobase_repl_report_sent_binlog(THD *thd, char *log_file_name,
-	my_off_t end_offset);
-
 /***********************************************************************
 Create a consistent view for a cursor based on current transaction
 which is created if the corresponding MySQL thread still lacks one.