[LTP] [PATCH v1 05/10] Add stamount01 test

Andrea Cervesato
2024-05-15T09:35:40Z

This test verifies that statmount() is working with no mask flags.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
runtest/syscalls | 2 +
.../kernel/syscalls/statmount/.gitignore | 1 +
testcases/kernel/syscalls/statmount/Makefile | 7 ++
.../kernel/syscalls/statmount/statmount.h | 26 +++++++
.../kernel/syscalls/statmount/statmount01.c | 69 +++++++++++++++++++
5 files changed, 105 insertions(+)
create mode 100644 testcases/kernel/syscalls/statmount/.gitignore
create mode 100644 testcases/kernel/syscalls/statmount/Makefile
create mode 100644 testcases/kernel/syscalls/statmount/statmount.h
create mode 100644 testcases/kernel/syscalls/statmount/statmount01.c

diff --git a/runtest/syscalls b/runtest/syscalls
index 355c182f8..407cae890 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -1537,6 +1537,8 @@ stat03_64 stat03_64
stat04 symlink01 -T stat04
stat04_64 symlink01 -T stat04_64

+statmount01 statmount01
+
statfs01 statfs01
statfs01_64 statfs01_64
statfs02 statfs02
diff --git a/testcases/kernel/syscalls/statmount/.gitignore b/testcases/kernel/syscalls/statmount/.gitignore
new file mode 100644
index 000000000..f1529eb29
--- /dev/null
+++ b/testcases/kernel/syscalls/statmount/.gitignore
@@ -0,0 +1 @@
+statmount01
diff --git a/testcases/kernel/syscalls/statmount/Makefile b/testcases/kernel/syscalls/statmount/Makefile
new file mode 100644
index 000000000..8cf1b9024
--- /dev/null
+++ b/testcases/kernel/syscalls/statmount/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2024 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+
+top_srcdir ?= ../../../..
+
+include $(top_srcdir)/include/mk/testcases.mk
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/syscalls/statmount/statmount.h b/testcases/kernel/syscalls/statmount/statmount.h
new file mode 100644
index 000000000..e807c8288
--- /dev/null
+++ b/testcases/kernel/syscalls/statmount/statmount.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2024 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+ */
+
+#ifndef STATMOUNT_H
+
+#define _GNU_SOURCE
+
+#include "tst_test.h"
+#include "lapi/mount.h"
+#include "lapi/syscalls.h"
+
+static inline int statmount(uint64_t mnt_id, uint64_t mask, struct statmount *buf,
+ size_t bufsize, unsigned int flags)
+{
+ struct mnt_id_req req = {
+ .size = MNT_ID_REQ_SIZE_VER0,
+ .mnt_id = mnt_id,
+ .param = mask,
+ };
+
+ return tst_syscall(__NR_statmount, &req, buf, bufsize, flags);
+}
+
+#endif
diff --git a/testcases/kernel/syscalls/statmount/statmount01.c b/testcases/kernel/syscalls/statmount/statmount01.c
new file mode 100644
index 000000000..4bf879916
--- /dev/null
+++ b/testcases/kernel/syscalls/statmount/statmount01.c
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2024 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
+ */
+
+/**
+ * [Description]
+ *
+ * This test verifies that statmount() is working with no mask flags.
+ *
+ * [Algorithm]
+ *
+ * * create a mount point
+ * * run statmount() on the mount point without giving any mask
+ * * read results and check that mask and size are correct
+ */
+
+#include "statmount.h"
+#include "lapi/stat.h"
+#include "lapi/sched.h"
+
+#define MNTPOINT "mntpoint"
+
+static uint64_t root_id;
+static struct statmount *st_mount;
+
+static void run(void)
+{
+ memset(st_mount, 0, sizeof(struct statmount));
+
+ TST_EXP_PASS(statmount(
+ root_id,
+ 0,
+ st_mount,
+ sizeof(struct statmount),
+ 0));
+
+ if (TST_RET == -1)
+ return;
+
+ TST_EXP_EQ_LI(st_mount->mask, 0);
+ TST_EXP_EQ_LI(st_mount->size, sizeof(struct statmount));
+}
+
+static void setup(void)
+{
+ struct statx sx;
+
+ SAFE_STATX(AT_FDCWD, MNTPOINT, 0, STATX_MNT_ID_UNIQUE, &sx);
+
+ root_id = sx.stx_mnt_id;
+}
+
+static struct tst_test test = {
+ .test_all = run,
+ .setup = setup,
+ .min_kver = "6.8",
+ .mount_device = 1,
+ .mntpoint = MNTPOINT,
+ .all_filesystems = 1,
+ .skip_filesystems = (const char *const []) {
+ "fuse",
+ NULL
+ },
+ .bufs = (struct tst_buffers []) {
+ {&st_mount, .size = sizeof(struct statmount)},
+ {}
+ }