[PATCH v3 2/8] idmapped-mounts: switch to getopt_long_only()

[Christian Brauner <brauner@kernel.org>]

From: Christian Brauner <christian.brauner@ubuntu.com>

We're not using the shortopts anywhere anyway so just rely on longopts.

Cc: fstests@vger.kernel.org
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---
/* v2 */
patch not present

/* v3 */
- Christoph Hellwig <hch@lst.de>:
  - Split into separate patch.
---
 src/idmapped-mounts/idmapped-mounts.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/idmapped-mounts/idmapped-mounts.c b/src/idmapped-mounts/idmapped-mounts.c
index 69dcc027..e565246e 100644
--- a/src/idmapped-mounts/idmapped-mounts.c
+++ b/src/idmapped-mounts/idmapped-mounts.c
@@ -8717,8 +8717,11 @@ static void usage(void)
 	fprintf(stderr, "    Run idmapped mount tests\n\n");
 
 	fprintf(stderr, "Arguments:\n");
-	fprintf(stderr, "-d --device        Device used in the tests\n");
-	fprintf(stderr, "-m --mountpoint    Mountpoint of device\n");
+	fprintf(stderr, "--device        Device used in the tests\n");
+	fprintf(stderr, "--fstype        Filesystem type used in the tests\n");
+	fprintf(stderr, "--help          Print help\n");
+	fprintf(stderr, "--mountpoint    Mountpoint of device\n");
+	fprintf(stderr, "--supported     Test whether idmapped mounts are supported on this filesystem\n");
 
 	_exit(EXIT_SUCCESS);
 }
@@ -8826,7 +8829,7 @@ int main(int argc, char *argv[])
 	int index = 0;
 	bool supported = false;
 
-	while ((ret = getopt_long(argc, argv, "", longopts, &index)) != -1) {
+	while ((ret = getopt_long_only(argc, argv, "d:f:m:sh", longopts, &index)) != -1) {
 		switch (ret) {
 		case 'd':
 			t_device = optarg;
-- 
2.30.2