Files
linux/tools/testing/selftests/filesystems/statmount/listmount_test.c
Bala-Vignesh-Reddy e6fbd1759c selftests: complete kselftest include centralization
This follow-up patch completes centralization of kselftest.h and
ksefltest_harness.h includes in remaining seltests files, replacing all
relative paths with a non-relative paths using shared -I include path in
lib.mk

Tested with gcc-13.3 and clang-18.1, and cross-compiled successfully on
riscv, arm64, x86_64 and powerpc arch.

[reddybalavignesh9979@gmail.com: add selftests include path for kselftest.h]
  Link: https://lkml.kernel.org/r/20251017090201.317521-1-reddybalavignesh9979@gmail.com
Link: https://lkml.kernel.org/r/20251016104409.68985-1-reddybalavignesh9979@gmail.com
Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Günther Noack <gnoack@google.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mickael Salaun <mic@digikod.net>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-11-27 14:24:31 -08:00

67 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (c) 2024 Christian Brauner <brauner@kernel.org>
#define _GNU_SOURCE
#include <fcntl.h>
#include <sched.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/mount.h>
#include <unistd.h>
#include "statmount.h"
#include "kselftest_harness.h"
#ifndef LISTMOUNT_REVERSE
#define LISTMOUNT_REVERSE (1 << 0) /* List later mounts first */
#endif
#define LISTMNT_BUFFER 10
/* Check that all mount ids are in increasing order. */
TEST(listmount_forward)
{
uint64_t list[LISTMNT_BUFFER], last_mnt_id = 0;
for (;;) {
ssize_t nr_mounts;
nr_mounts = listmount(LSMT_ROOT, 0, last_mnt_id,
list, LISTMNT_BUFFER, 0);
ASSERT_GE(nr_mounts, 0);
if (nr_mounts == 0)
break;
for (size_t cur = 0; cur < nr_mounts; cur++) {
if (cur < nr_mounts - 1)
ASSERT_LT(list[cur], list[cur + 1]);
last_mnt_id = list[cur];
}
}
}
/* Check that all mount ids are in decreasing order. */
TEST(listmount_backward)
{
uint64_t list[LISTMNT_BUFFER], last_mnt_id = 0;
for (;;) {
ssize_t nr_mounts;
nr_mounts = listmount(LSMT_ROOT, 0, last_mnt_id,
list, LISTMNT_BUFFER, LISTMOUNT_REVERSE);
ASSERT_GE(nr_mounts, 0);
if (nr_mounts == 0)
break;
for (size_t cur = 0; cur < nr_mounts; cur++) {
if (cur < nr_mounts - 1)
ASSERT_GT(list[cur], list[cur + 1]);
last_mnt_id = list[cur];
}
}
}
TEST_HARNESS_MAIN