From dd1f1ba00c9efb056dcc26894b608ca1214ddf03 Mon Sep 17 00:00:00 2001
From: Erwan Velu <erwanaliasr1@gmail.com>
Date: Sun, 17 Oct 2021 21:44:53 +0200
Subject: [PATCH] t/io_uring: Fixing typo in help message

Commit a71ad043a3f4a introduce the DMA pre mapping support but made a
typo in the help message.

This option is enabled via -D, not -R.

Signed-off-by: Erwan Velu <erwanaliasr1@gmail.com>
---
 t/io_uring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/io_uring.c b/t/io_uring.c
index a87042f8..f758a6d9 100644
--- a/t/io_uring.c
+++ b/t/io_uring.c
@@ -1059,7 +1059,7 @@ static void usage(char *argv, int status)
 		" -b <int>  : Block size, default %d\n"
 		" -p <bool> : Polled IO, default %d\n"
 		" -B <bool> : Fixed buffers, default %d\n"
-		" -R <bool> : DMA map fixed buffers, default %d\n"
+		" -D <bool> : DMA map fixed buffers, default %d\n"
 		" -F <bool> : Register files, default %d\n"
 		" -n <int>  : Number of threads, default %d\n"
 		" -O <bool> : Use O_DIRECT, default %d\n"
-- 
2.25.1