GFS2: Fix locking issue mounting gfs2meta fs

	return get_sb_bdev(fs_type, flags, dev_name, data, fill_super, mnt);

}

static int test_meta_super(struct super_block *s, void *ptr)

{

	struct block_device *bdev = ptr;

	return (bdev == s->s_bdev);

}

static int set_meta_super(struct super_block *s, void *ptr)

{

	return -EINVAL;

}

static struct super_block *get_gfs2_sb(const char *dev_name)

{

	struct super_block *sb;

	struct super_block *s;

	struct path path;

	int error;

	if (error) {

		printk(KERN_WARNING "GFS2: path_lookup on %s returned error %d\n",

		       dev_name, error);

		return NULL;

		return ERR_PTR(-ENOENT);

	}

	sb = path.dentry->d_inode->i_sb;

	if (sb && (sb->s_type == &gfs2_fs_type))

		atomic_inc(&sb->s_active);

	else

		sb = NULL;

	s = sget(&gfs2_fs_type, test_meta_super, set_meta_super,

		 path.dentry->d_inode->i_sb->s_bdev);

	path_put(&path);

	return sb;

	return s;

}

static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags,

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

{

	struct super_block *sb = NULL;

	struct super_block *s;

	struct gfs2_sbd *sdp;

	sb = get_gfs2_sb(dev_name);

	if (!sb) {

	s = get_gfs2_sb(dev_name);

	if (IS_ERR(s)) {

		printk(KERN_WARNING "GFS2: gfs2 mount does not exist\n");

		return -ENOENT;

		return PTR_ERR(s);

	}

	sdp = sb->s_fs_info;

	mnt->mnt_sb = sb;

	sdp = s->s_fs_info;

	mnt->mnt_sb = s;

	mnt->mnt_root = dget(sdp->sd_master_dir);

	return 0;

}