[LTP] [PATCH 2/3] Add ioctl_ficlone02 test

[Andrea Cervesato]

From: Andrea Cervesato <andrea.cervesato@suse.com>

This test verifies that ioctl() FICLONE feature correctly raises
EOPNOTSUPP when unsupported filesystem is used. In particular,
filesystems which don't support copy-on-write.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 runtest/syscalls                                  |  1 +
 testcases/kernel/syscalls/ioctl/.gitignore        |  1 +
 testcases/kernel/syscalls/ioctl/ioctl_ficlone02.c | 49 +++++++++++++++++++++++
 3 files changed, 51 insertions(+)

diff --git a/runtest/syscalls b/runtest/syscalls
index 07e940f8c..b049530d3 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -592,6 +592,7 @@ ioctl_ns07 ioctl_ns07
 ioctl_sg01 ioctl_sg01
 
 ioctl_ficlone01 ioctl_ficlone01
+ioctl_ficlone02 ioctl_ficlone02
 
 inotify_init1_01 inotify_init1_01
 inotify_init1_02 inotify_init1_02
diff --git a/testcases/kernel/syscalls/ioctl/.gitignore b/testcases/kernel/syscalls/ioctl/.gitignore
index 5404aa93f..3d25fdfb2 100644
--- a/testcases/kernel/syscalls/ioctl/.gitignore
+++ b/testcases/kernel/syscalls/ioctl/.gitignore
@@ -23,3 +23,4 @@
 /ioctl_ns07
 /ioctl_sg01
 /ioctl_ficlone01
+/ioctl_ficlone02
diff --git a/testcases/kernel/syscalls/ioctl/ioctl_ficlone02.c b/testcases/kernel/syscalls/ioctl/ioctl_ficlone02.c
new file mode 100644
index 000000000..950b1109b
--- /dev/null
+++ b/testcases/kernel/syscalls/ioctl/ioctl_ficlone02.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2024 Andrea Cervesato andrea.cervesato@suse.com
+ */
+
+/*\
+ * [Description]
+ *
+ * This test verifies that ioctl() FICLONE feature correctly raises EOPNOTSUPP
+ * when an unsupported filesystem is used. In particular, filesystems which
+ * don't support copy-on-write.
+ */
+
+#include "tst_test.h"
+#include "lapi/fs.h"
+
+#define MNTPOINT "mnt"
+#define SRCPATH MNTPOINT "/file0"
+#define DSTPATH MNTPOINT "/file1"
+
+static void run(void)
+{
+	int src_fd;
+	int dst_fd;
+
+	src_fd = SAFE_OPEN(SRCPATH, O_CREAT | O_RDWR, 0640);
+	dst_fd = SAFE_OPEN(DSTPATH, O_CREAT | O_RDWR, 0640);
+
+	TST_EXP_FAIL(ioctl(dst_fd, FICLONE, src_fd), EOPNOTSUPP);
+
+	SAFE_CLOSE(src_fd);
+	SAFE_CLOSE(dst_fd);
+}
+
+static struct tst_test test = {
+	.test_all = run,
+	.min_kver = "4.5",
+	.needs_root = 1,
+	.mount_device = 1,
+	.mntpoint = MNTPOINT,
+	.all_filesystems = 1,
+	.skip_filesystems = (const char *[]) {
+		"btrfs",
+		"overlayfs",
+		"nfs",
+		"xfs",
+		NULL,
+	},
+};

-- 
2.35.3