convert nilfs

	return (void *)s->s_bdev == data;

}

static int

nilfs_get_sb(struct file_system_type *fs_type, int flags,

	     const char *dev_name, void *data, struct vfsmount *mnt)

static struct dentry *

nilfs_mount(struct file_system_type *fs_type, int flags,

	     const char *dev_name, void *data)

{

	struct nilfs_super_data sd;

	struct super_block *s;

	sd.bdev = open_bdev_exclusive(dev_name, mode, fs_type);

	if (IS_ERR(sd.bdev))

		return PTR_ERR(sd.bdev);

		return ERR_CAST(sd.bdev);

	sd.cno = 0;

	sd.flags = flags;

	if (!s_new)

		close_bdev_exclusive(sd.bdev, mode);

	mnt->mnt_sb = s;

	mnt->mnt_root = root_dentry;

	return 0;

	return root_dentry;

 failed_super:

	deactivate_locked_super(s);

 failed:

	if (!s_new)

		close_bdev_exclusive(sd.bdev, mode);

	return err;

	return ERR_PTR(err);

}

struct file_system_type nilfs_fs_type = {

	.owner    = THIS_MODULE,

	.name     = "nilfs2",

	.get_sb   = nilfs_get_sb,

	.mount    = nilfs_mount,

	.kill_sb  = kill_block_super,

	.fs_flags = FS_REQUIRES_DEV,

};