btrfs-progs: mkfs make --uuid require an argument

$ mkfs.btrfs --uuid 1234... /dev/sdx
Error: error checking 1234...  status: No such file or directory

Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/mkfs.c b/mkfs.c
index 0cbbf0b..9de61e1 100644 (file)
--- a/mkfs.c
+++ b/mkfs.c
@@ -352,7 +352,7 @@ static struct option long_options[] = {
        { "rootdir", 1, NULL, 'r' },
        { "nodiscard", 0, NULL, 'K' },
        { "features", 1, NULL, 'O' },
-       { "uuid", 0, NULL, 'U' },
+       { "uuid", required_argument, NULL, 'U' },
        { NULL, 0, NULL, 0}
 };