blob: 757ef00a75a4da0c088be4c16b58f12f6ec20ede [file] [log] [blame]
Josef Bacik294e30f2013-10-09 12:00:56 -04001/*
2 * Copyright (C) 2013 Fusion IO. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
17 */
18
19#include <linux/fs.h>
20#include <linux/mount.h>
21#include <linux/magic.h>
22#include "btrfs-tests.h"
23#include "../ctree.h"
24
25static struct vfsmount *test_mnt = NULL;
26
Josef Bacikaaedb552013-10-11 14:44:09 -040027static const struct super_operations btrfs_test_super_ops = {
28 .alloc_inode = btrfs_alloc_inode,
29 .destroy_inode = btrfs_test_destroy_inode,
30};
31
Josef Bacik294e30f2013-10-09 12:00:56 -040032static struct dentry *btrfs_test_mount(struct file_system_type *fs_type,
33 int flags, const char *dev_name,
34 void *data)
35{
Josef Bacikaaedb552013-10-11 14:44:09 -040036 return mount_pseudo(fs_type, "btrfs_test:", &btrfs_test_super_ops,
37 NULL, BTRFS_TEST_MAGIC);
Josef Bacik294e30f2013-10-09 12:00:56 -040038}
39
40static struct file_system_type test_type = {
41 .name = "btrfs_test_fs",
42 .mount = btrfs_test_mount,
43 .kill_sb = kill_anon_super,
44};
45
46struct inode *btrfs_new_test_inode(void)
47{
48 return new_inode(test_mnt->mnt_sb);
49}
50
51int btrfs_init_test_fs(void)
52{
53 int ret;
54
55 ret = register_filesystem(&test_type);
56 if (ret) {
57 printk(KERN_ERR "btrfs: cannot register test file system\n");
58 return ret;
59 }
60
61 test_mnt = kern_mount(&test_type);
62 if (IS_ERR(test_mnt)) {
63 printk(KERN_ERR "btrfs: cannot mount test file system\n");
64 unregister_filesystem(&test_type);
65 return ret;
66 }
67 return 0;
68}
69
70void btrfs_destroy_test_fs(void)
71{
72 kern_unmount(test_mnt);
73 unregister_filesystem(&test_type);
74}