btrfs_fs_type      64 fs/btrfs/super.c static struct file_system_type btrfs_fs_type;
btrfs_fs_type    2143 fs/btrfs/super.c static struct file_system_type btrfs_fs_type = {
btrfs_fs_type    2413 fs/btrfs/super.c 	err = register_filesystem(&btrfs_fs_type);
btrfs_fs_type    2458 fs/btrfs/super.c 	unregister_filesystem(&btrfs_fs_type);