X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=options.c;h=1e91b3e9e23a79eb780b35c22e9cd7681e82ab58;hb=7914c6147adaf3ef32804519ced850168fff1711;hp=b497d973eb03b12852d9ce499ab108ec24457f8f;hpb=be23e6be4fadb723f925824f88fbaedbd3502251;p=fio.git

diff --git a/options.c b/options.c
index b497d973..1e91b3e9 100644
--- a/options.c
+++ b/options.c
@@ -3733,14 +3733,32 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 	{
 		.name	= "sync",
 		.lname	= "Synchronous I/O",
-		.type	= FIO_OPT_BOOL,
+		.type	= FIO_OPT_STR,
 		.off1	= offsetof(struct thread_options, sync_io),
-		.help	= "Use O_SYNC for buffered writes",
-		.def	= "0",
-		.parent = "buffered",
+		.help	= "Use synchronous write IO",
+		.def	= "none",
 		.hide	= 1,
 		.category = FIO_OPT_C_IO,
 		.group	= FIO_OPT_G_IO_TYPE,
+		.posval = {
+			  { .ival = "none",
+			    .oval = 0,
+			  },
+			  { .ival = "0",
+			    .oval = 0,
+			  },
+			  { .ival = "sync",
+			    .oval = O_SYNC,
+			  },
+			  { .ival = "1",
+			    .oval = O_SYNC,
+			  },
+#ifdef O_DSYNC
+			  { .ival = "dsync",
+			    .oval = O_DSYNC,
+			  },
+#endif
+		},
 	},
 #ifdef FIO_HAVE_WRITE_HINT
 	{