unplugged-system/external/ltp/testcases/kernel/syscalls/quotactl/quotactl07.c

97 lines
2.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2019 FUJITSU LIMITED. All rights reserved.
* Author: Yang Xu <xuyang2018.jy@fujitsu.com>
*/
/*\
* [Description]
*
* This is not only a functional test but also a error test for Q_XQUOTARM.
*
* It is a regresstion test for kernel commit 3dd4d40b4208
* ("xfs: Sanity check flags of Q_XQUOTARM call").
*/
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/quota.h>
#include <sys/statvfs.h>
#include "tst_test.h"
#include "quotactl_syscall_var.h"
#ifdef HAVE_XFS_XQM_H
# include <xfs/xqm.h>
/* Include a valid quota type to avoid other EINVAL error */
static unsigned int invalid_type = XFS_GROUP_QUOTA << 1 | XFS_USER_QUOTA;
static unsigned int valid_type = XFS_USER_QUOTA;
static int mount_flag;
static void verify_quota(void)
{
struct statfs before, after;
SAFE_STATFS(MNTPOINT, &before);
TST_EXP_PASS(do_quotactl(fd, QCMD(Q_XQUOTARM, USRQUOTA), tst_device->dev, 0,
(void *)&valid_type), "do_quotactl(Q_XQUOTARM,valid_type)");
SAFE_STATFS(MNTPOINT, &after);
if (before.f_bavail <= after.f_bavail)
tst_res(TPASS, "Q_XQUOTARM to free space, delta(%lu)", after.f_bavail - before.f_bavail);
else
tst_res(TFAIL, "Q_XQUOTARM to free space, delta(-%lu)", before.f_bavail - after.f_bavail);
TST_EXP_FAIL(do_quotactl(fd, QCMD(Q_XQUOTARM, USRQUOTA), tst_device->dev, 0,
(void *)&invalid_type), EINVAL, "do_quotactl(Q_XQUOTARM, invalid_type)");
}
static void setup(void)
{
quotactl_info();
/*
* Ensure superblock has quota data, but not running. In here, we must unmount
* completely and mount again with '-o no quota' because 'mount -o remount, noquota'
* isn't sufficient to disable accounting feature.
*/
SAFE_MOUNT(tst_device->dev, MNTPOINT, tst_device->fs_type, 0, "usrquota");
mount_flag = 1;
SAFE_UMOUNT(MNTPOINT);
mount_flag = 0;
SAFE_MOUNT(tst_device->dev, MNTPOINT, tst_device->fs_type, 0, "noquota");
mount_flag = 1;
fd = SAFE_OPEN(MNTPOINT, O_RDONLY);
}
static void cleanup(void)
{
if (fd > -1)
SAFE_CLOSE(fd);
if (mount_flag && tst_umount(MNTPOINT))
tst_res(TWARN | TERRNO, "umount(%s)", MNTPOINT);
}
static struct tst_test test = {
.setup = setup,
.cleanup = cleanup,
.needs_root = 1,
.needs_kconfigs = (const char *[]) {
"CONFIG_XFS_QUOTA",
NULL
},
.test_all = verify_quota,
.format_device = 1,
.dev_fs_type = "xfs",
.mntpoint = MNTPOINT,
.test_variants = QUOTACTL_SYSCALL_VARIANTS,
.tags = (const struct tst_tag[]) {
{"linux-git", "3dd4d40b4208"},
{}
}
};
#else
TST_TEST_TCONF("System doesn't have <xfs/xqm.h>");
#endif