Josef Bacik | 294e30f | 2013-10-09 12:00:56 -0400 | [diff] [blame] | 1 | /* |
| 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 | |
| 25 | static struct vfsmount *test_mnt = NULL; |
| 26 | |
Josef Bacik | aaedb55 | 2013-10-11 14:44:09 -0400 | [diff] [blame] | 27 | static const struct super_operations btrfs_test_super_ops = { |
| 28 | .alloc_inode = btrfs_alloc_inode, |
| 29 | .destroy_inode = btrfs_test_destroy_inode, |
| 30 | }; |
| 31 | |
Josef Bacik | 294e30f | 2013-10-09 12:00:56 -0400 | [diff] [blame] | 32 | static struct dentry *btrfs_test_mount(struct file_system_type *fs_type, |
| 33 | int flags, const char *dev_name, |
| 34 | void *data) |
| 35 | { |
Josef Bacik | aaedb55 | 2013-10-11 14:44:09 -0400 | [diff] [blame] | 36 | return mount_pseudo(fs_type, "btrfs_test:", &btrfs_test_super_ops, |
| 37 | NULL, BTRFS_TEST_MAGIC); |
Josef Bacik | 294e30f | 2013-10-09 12:00:56 -0400 | [diff] [blame] | 38 | } |
| 39 | |
| 40 | static struct file_system_type test_type = { |
| 41 | .name = "btrfs_test_fs", |
| 42 | .mount = btrfs_test_mount, |
| 43 | .kill_sb = kill_anon_super, |
| 44 | }; |
| 45 | |
| 46 | struct inode *btrfs_new_test_inode(void) |
| 47 | { |
| 48 | return new_inode(test_mnt->mnt_sb); |
| 49 | } |
| 50 | |
| 51 | int 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 | |
| 70 | void btrfs_destroy_test_fs(void) |
| 71 | { |
| 72 | kern_unmount(test_mnt); |
| 73 | unregister_filesystem(&test_type); |
| 74 | } |