-#ifndef _LTTNG_WRAPPER_GENHD_H
-#define _LTTNG_WRAPPER_GENHD_H
-
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
* wrapper/genhd.h
*
* wrapper around block layer functions and data structures. Using
* kernel that exports this function to GPL modules.
*
* Copyright (C) 2011-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifndef _LTTNG_WRAPPER_GENHD_H
+#define _LTTNG_WRAPPER_GENHD_H
+
#include <linux/genhd.h>
#ifdef CONFIG_KALLSYMS
#include <linux/kallsyms.h>
-#include "kallsyms.h"
+#include <wrapper/kallsyms.h>
static inline
char *wrapper_disk_name(struct gendisk *hd, int partno, char *buf)
if (disk_name_sym) {
return disk_name_sym(hd, partno, buf);
} else {
- printk(KERN_WARNING "LTTng: disk_name symbol lookup failed.\n");
+ printk_once(KERN_WARNING "LTTng: disk_name symbol lookup failed.\n");
return NULL;
}
}
ptr_block_class = (struct class *) kallsyms_lookup_dataptr("block_class");
if (!ptr_block_class) {
- printk(KERN_WARNING "LTTng: block_class symbol lookup failed.\n");
+ printk_once(KERN_WARNING "LTTng: block_class symbol lookup failed.\n");
return NULL;
}
return ptr_block_class;
ptr_disk_type = (struct device_type *) kallsyms_lookup_dataptr("disk_type");
if (!ptr_disk_type) {
- printk(KERN_WARNING "LTTng: disk_type symbol lookup failed.\n");
+ printk_once(KERN_WARNING "LTTng: disk_type symbol lookup failed.\n");
return NULL;
}
return ptr_disk_type;