fs: rename "rename2" i_op to "rename"

Generated patch:

sed -i "s/\.rename2\t/\.rename\t\t/" `git grep -wl rename2`
sed -i "s/\brename2\b/rename/g" `git grep -wl rename2`

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

fs/omfs/dir.c

@@ -448,7 +448,7 @@ static int omfs_readdir(struct file *file, struct dir_context *ctx)
 const struct inode_operations omfs_dir_inops = {
 	.lookup = omfs_lookup,
 	.mkdir = omfs_mkdir,
-	.rename2 = omfs_rename,
+	.rename = omfs_rename,
 	.create = omfs_create,
 	.unlink = omfs_remove,
 	.rmdir = omfs_remove,