/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
+ * of the GNU General Public License version 2.
*/
#ifndef __LOPS_DOT_H__
#define __LOPS_DOT_H__
-extern struct gfs2_log_operations gfs2_glock_lops;
-extern struct gfs2_log_operations gfs2_buf_lops;
-extern struct gfs2_log_operations gfs2_revoke_lops;
-extern struct gfs2_log_operations gfs2_rg_lops;
-extern struct gfs2_log_operations gfs2_databuf_lops;
+#include <linux/list.h>
+#include "incore.h"
-extern struct gfs2_log_operations *gfs2_log_ops[];
+#define BUF_OFFSET \
+ ((sizeof(struct gfs2_log_descriptor) + sizeof(__be64) - 1) & \
+ ~(sizeof(__be64) - 1))
+#define DATABUF_OFFSET \
+ ((sizeof(struct gfs2_log_descriptor) + (2 * sizeof(__be64) - 1)) & \
+ ~(2 * sizeof(__be64) - 1))
+
+extern const struct gfs2_log_operations gfs2_glock_lops;
+extern const struct gfs2_log_operations gfs2_buf_lops;
+extern const struct gfs2_log_operations gfs2_revoke_lops;
+extern const struct gfs2_log_operations gfs2_rg_lops;
+extern const struct gfs2_log_operations gfs2_databuf_lops;
+
+extern const struct gfs2_log_operations *gfs2_log_ops[];
+
+static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
+{
+ unsigned int limit;
+
+ limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64);
+ return limit;
+}
+
+static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
+{
+ unsigned int limit;
+
+ limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64));
+ return limit;
+}
static inline void lops_init_le(struct gfs2_log_element *le,
- struct gfs2_log_operations *lops)
+ const struct gfs2_log_operations *lops)
{
INIT_LIST_HEAD(&le->le_list);
le->le_ops = lops;
}
static inline void lops_before_scan(struct gfs2_jdesc *jd,
- struct gfs2_log_header *head,
+ struct gfs2_log_header_host *head,
unsigned int pass)
{
int x;