ocfs2: remove unused variable ip in dlmfs_get_root_inode()

Variable ip in dlmfs_get_root_inode() is defined but not used.  So clean
it up.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Reviewed-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/ocfs2/dlmfs/dlmfs.c

@@ -401,11 +401,8 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb)
 {
 	struct inode *inode = new_inode(sb);
 	umode_t mode = S_IFDIR | 0755;
-	struct dlmfs_inode_private *ip;
 
 	if (inode) {
-		ip = DLMFS_I(inode);
-
 		inode->i_ino = get_next_ino();
 		inode_init_owner(inode, NULL, mode);
 		inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;