X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=636e95766fb3555416da03e9a09335596729bd35;hp=5588c852b9c828cc49b31c4ae4a43758efadd3dc;hb=a0a930efb970a688c0e21e396755210e1bdd05a9;hpb=78217dfa392a6a39f018722e91bc179e9d5443df

diff --git a/init.c b/init.c
index 5588c852..636e9576 100644
--- a/init.c
+++ b/init.c
@@ -85,11 +85,24 @@ static struct fio_option options[] = {
 		.help	= "IO engine to use",
 		.def	= "sync",
 		.posval	= {
-			  { .ival = "sync", }, { .ival = "libaio", },
-			  { .ival = "posixaio", }, { .ival = "mmap", },
-			  { .ival = "splice", }, { .ival = "sg", },
+			  { .ival = "sync", },
+#ifdef FIO_HAVE_LIBAIO
+			  { .ival = "libaio", },
+#endif
+#ifdef FIO_HAVE_POSIXAIO
+			  { .ival = "posixaio", },
+#endif
+			  { .ival = "mmap", },
+#ifdef FIO_HAVE_SPLICE
+			  { .ival = "splice", },
+#endif
+#ifdef FIO_HAVE_SGIO
+			  { .ival = "sg", },
+#endif
 			  { .ival = "null", }, { .ival = "net", },
+#ifdef FIO_HAVE_SYSLET
 			  { .ival = "syslet-rw", },
+#endif
 			  },
 	},
 	{
@@ -99,6 +112,12 @@ static struct fio_option options[] = {
 		.help	= "Amount of IO buffers to keep in flight",
 		.def	= "1",
 	},
+	{
+		.name	= "iodepth_batch",
+		.type	= FIO_OPT_INT,
+		.off1	= td_var_offset(iodepth_batch),
+		.help	= "Number of IO to submit in one go",
+	},
 	{
 		.name	= "iodepth_low",
 		.type	= FIO_OPT_INT,
@@ -691,6 +710,12 @@ static void fixup_options(struct thread_data *td)
 	 */
 	if (td->iodepth_low > td->iodepth || !td->iodepth_low)
 		td->iodepth_low = td->iodepth;
+
+	/*
+	 * If batch number isn't set, default to the same as iodepth
+	 */
+	if (td->iodepth_batch > td->iodepth || !td->iodepth_batch)
+		td->iodepth_batch = td->iodepth;
 }
 
 /*