mysqld.cc:

  update help innobase_flush_log_at_trx_commitcan have vals 0, 1, 2 
ha_innobase.h, ha_innobase.cc:
  make innobase_flush_log_at_trx_commit a long, like other params

sql/ha_innobase.cc

@@ -113,7 +113,7 @@ my_bool	innobase_fast_shutdown			= TRUE;
 2 : write to the log file at each commit, but flush to disk only once per
 second */
 
-int     innobase_flush_log_at_trx_commit	= 0;
+long     innobase_flush_log_at_trx_commit	= 0;
 
 /* The following counter is used to convey information to InnoDB
 about server activity: in selects it is not sensible to call
@@ -558,6 +558,8 @@ innobase_init(void)
 	srv_log_buffer_size = (ulint) innobase_log_buffer_size;
 	srv_flush_log_at_trx_commit = (ulint) innobase_flush_log_at_trx_commit;
 
+        printf("Flush value %lu\n", srv_flush_log_at_trx_commit);
+
 	srv_use_native_aio = 0;
 
 	srv_pool_size = (ulint) innobase_buffer_pool_size;

sql/ha_innobase.h

@@ -176,7 +176,7 @@ extern long innobase_force_recovery, innobase_thread_concurrency;
 extern char *innobase_data_home_dir, *innobase_data_file_path;
 extern char *innobase_log_group_home_dir, *innobase_log_arch_dir;
 extern char *innobase_unix_file_flush_method;
-extern int innobase_flush_log_at_trx_commit;
+extern long innobase_flush_log_at_trx_commit;
 /* The following variables have to be my_bool for SHOW VARIABLES to work */
 extern my_bool innobase_log_archive,
                innobase_use_native_aio, innobase_fast_shutdown;

sql/mysqld.cc

@@ -3394,7 +3394,9 @@ Starts the MySQL server\n");
   --innodb_data_file_path=dir  Path to individual files and their sizes\n\
   --innodb_flush_method=#  With which method to flush data\n\
   --innodb_flush_log_at_trx_commit[=#]\n\
-			       Set to 0 if you don't want to flush logs\n\
+			  Value 0: write and flush once per second\n\
+                          Value 1: write and flush at each commit\n\
+                          Value 2: write at commit, flush once per second\n\
   --innodb_log_arch_dir=dir    Where full logs should be archived\n\
   --innodb_log_archive[=#]     Set to 1 if you want to have logs archived\n\
   --innodb_log_group_home_dir=dir  Path to innodb log files.\n\