UBIFS: Add security.* XATTR support for the UBIFS

Artem: rename static functions so that they do not use the "ubifs_" prefix - we
       only use this prefix for non-static functions.
Artem: remove few junk white-space changes in file.c

Signed-off-by: Subodh Nijsure <snijsure@grid-net.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Acked-by: Brad Mouring <brad.mouring@ni.com>
Acked-by: Terry Wilcox <terry.wilcox@ni.com>
Acked-by: Gratian Crisan <gratian.crisan@ni.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

fs/ubifs/dir.c

@@ -272,6 +272,10 @@ static int ubifs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 		goto out_budg;
 	}
 
+	err = ubifs_init_security(dir, inode, &dentry->d_name);
+	if (err)
+		goto out_cancel;
+
 	mutex_lock(&dir_ui->ui_mutex);
 	dir->i_size += sz_change;
 	dir_ui->ui_size = dir->i_size;
@@ -728,6 +732,10 @@ static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 		goto out_budg;
 	}
 
+	err = ubifs_init_security(dir, inode, &dentry->d_name);
+	if (err)
+		goto out_cancel;
+
 	mutex_lock(&dir_ui->ui_mutex);
 	insert_inode_hash(inode);
 	inc_nlink(inode);
@@ -808,6 +816,10 @@ static int ubifs_mknod(struct inode *dir, struct dentry *dentry,
 	ui->data = dev;
 	ui->data_len = devlen;
 
+	err = ubifs_init_security(dir, inode, &dentry->d_name);
+	if (err)
+		goto out_cancel;
+
 	mutex_lock(&dir_ui->ui_mutex);
 	dir->i_size += sz_change;
 	dir_ui->ui_size = dir->i_size;
@@ -884,6 +896,10 @@ static int ubifs_symlink(struct inode *dir, struct dentry *dentry,
 	ui->data_len = len;
 	inode->i_size = ubifs_inode(inode)->ui_size = len;
 
+	err = ubifs_init_security(dir, inode, &dentry->d_name);
+	if (err)
+		goto out_cancel;
+
 	mutex_lock(&dir_ui->ui_mutex);
 	dir->i_size += sz_change;
 	dir_ui->ui_size = dir->i_size;