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authorJohannes Berg <johannes.berg@intel.com>2013-12-16 11:23:45 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-12-16 11:23:45 +0100
commitc4de673b775e4db48cd2db6277e0c6714332ca0c (patch)
tree84f9e4728e6ccf257236d2ba063b6e784ec8b65d /fs/btrfs/tests/btrfs-tests.c
parentbafdc614a1f4f8be8cde41b8ab10ac17e67c1837 (diff)
parent55957fb7a0b61d8ab6ff3f04e279b8fc22b738fa (diff)
Merge remote-tracking branch 'wireless-next/master' into mac80211-next
Diffstat (limited to 'fs/btrfs/tests/btrfs-tests.c')
-rw-r--r--fs/btrfs/tests/btrfs-tests.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c
new file mode 100644
index 0000000000000..757ef00a75a4d
--- /dev/null
+++ b/fs/btrfs/tests/btrfs-tests.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2013 Fusion IO. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#include <linux/fs.h>
+#include <linux/mount.h>
+#include <linux/magic.h>
+#include "btrfs-tests.h"
+#include "../ctree.h"
+
+static struct vfsmount *test_mnt = NULL;
+
+static const struct super_operations btrfs_test_super_ops = {
+ .alloc_inode = btrfs_alloc_inode,
+ .destroy_inode = btrfs_test_destroy_inode,
+};
+
+static struct dentry *btrfs_test_mount(struct file_system_type *fs_type,
+ int flags, const char *dev_name,
+ void *data)
+{
+ return mount_pseudo(fs_type, "btrfs_test:", &btrfs_test_super_ops,
+ NULL, BTRFS_TEST_MAGIC);
+}
+
+static struct file_system_type test_type = {
+ .name = "btrfs_test_fs",
+ .mount = btrfs_test_mount,
+ .kill_sb = kill_anon_super,
+};
+
+struct inode *btrfs_new_test_inode(void)
+{
+ return new_inode(test_mnt->mnt_sb);
+}
+
+int btrfs_init_test_fs(void)
+{
+ int ret;
+
+ ret = register_filesystem(&test_type);
+ if (ret) {
+ printk(KERN_ERR "btrfs: cannot register test file system\n");
+ return ret;
+ }
+
+ test_mnt = kern_mount(&test_type);
+ if (IS_ERR(test_mnt)) {
+ printk(KERN_ERR "btrfs: cannot mount test file system\n");
+ unregister_filesystem(&test_type);
+ return ret;
+ }
+ return 0;
+}
+
+void btrfs_destroy_test_fs(void)
+{
+ kern_unmount(test_mnt);
+ unregister_filesystem(&test_type);
+}