src: fix loblksize usage message

BLKSIZE is not optional.

Signed-off-by: Omar Sandoval <osandov@fb.com>

diff --git a/src/loblksize.c b/src/loblksize.c
index e32488f6e9cb69325b9078ac6238169674611499..9a44118f3e61b0e97696abe2dcb01df58ae029f2 100644 (file)
--- a/src/loblksize.c
+++ b/src/loblksize.c
@@ -37,7 +37,7 @@ int main(int argc, char **argv)
        int fd = -1;
 
        if (argc != 3) {
-               fprintf(stderr, "usage: %s DEV [BLKSIZE]\n", argv[0]);
+               fprintf(stderr, "usage: %s DEV BLKSIZE\n", argv[0]);
                return 1;
        }