fold debugfs_mkdir() into caller

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

fs/debugfs/inode.c

@@ -84,20 +84,6 @@ static int debugfs_mknod(struct dentry *dentry,
 	return 0;
 }
 
-static int debugfs_mkdir(struct dentry *dentry, umode_t mode)
-{
-	struct inode *dir = dentry->d_parent->d_inode;
-	int res;
-
-	mode = (mode & (S_IRWXUGO | S_ISVTX)) | S_IFDIR;
-	res = debugfs_mknod(dentry, mode, NULL, NULL);
-	if (!res) {
-		inc_nlink(dir);
-		fsnotify_mkdir(dir, dentry);
-	}
-	return res;
-}
-
 static int debugfs_create(struct dentry *dentry, umode_t mode,
 			  void *data, const struct file_operations *fops)
 {
@@ -407,7 +393,12 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent)
 	if (IS_ERR(dentry))
 		return NULL;
 
-	error = debugfs_mkdir(dentry, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO);
+	error = debugfs_mknod(dentry, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
+			      NULL, NULL);
+	if (!error) {
+		inc_nlink(dentry->d_parent->d_inode);
+		fsnotify_mkdir(dentry->d_parent->d_inode, dentry);
+	}
 	return end_creating(dentry, error);
 }
 EXPORT_SYMBOL_GPL(debugfs_create_dir);