1/*
2 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
4 *
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
7 * of the GNU General Public License version 2.
8 */
9
10#ifndef __LOPS_DOT_H__
11#define __LOPS_DOT_H__
12
13#include <linux/list.h>
14#include "incore.h"
15
16extern const struct gfs2_log_operations gfs2_glock_lops;
17extern const struct gfs2_log_operations gfs2_buf_lops;
18extern const struct gfs2_log_operations gfs2_revoke_lops;
19extern const struct gfs2_log_operations gfs2_rg_lops;
20extern const struct gfs2_log_operations gfs2_databuf_lops;
21
22extern const struct gfs2_log_operations *gfs2_log_ops[];
23
24static inline void lops_init_le(struct gfs2_log_element *le,
25				const struct gfs2_log_operations *lops)
26{
27	INIT_LIST_HEAD(&le->le_list);
28	le->le_ops = lops;
29}
30
31static inline void lops_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le)
32{
33	if (le->le_ops->lo_add)
34		le->le_ops->lo_add(sdp, le);
35}
36
37static inline void lops_incore_commit(struct gfs2_sbd *sdp,
38				      struct gfs2_trans *tr)
39{
40	int x;
41	for (x = 0; gfs2_log_ops[x]; x++)
42		if (gfs2_log_ops[x]->lo_incore_commit)
43			gfs2_log_ops[x]->lo_incore_commit(sdp, tr);
44}
45
46static inline void lops_before_commit(struct gfs2_sbd *sdp)
47{
48	int x;
49	for (x = 0; gfs2_log_ops[x]; x++)
50		if (gfs2_log_ops[x]->lo_before_commit)
51			gfs2_log_ops[x]->lo_before_commit(sdp);
52}
53
54static inline void lops_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai)
55{
56	int x;
57	for (x = 0; gfs2_log_ops[x]; x++)
58		if (gfs2_log_ops[x]->lo_after_commit)
59			gfs2_log_ops[x]->lo_after_commit(sdp, ai);
60}
61
62static inline void lops_before_scan(struct gfs2_jdesc *jd,
63				    struct gfs2_log_header_host *head,
64				    unsigned int pass)
65{
66	int x;
67	for (x = 0; gfs2_log_ops[x]; x++)
68		if (gfs2_log_ops[x]->lo_before_scan)
69			gfs2_log_ops[x]->lo_before_scan(jd, head, pass);
70}
71
72static inline int lops_scan_elements(struct gfs2_jdesc *jd, unsigned int start,
73				     struct gfs2_log_descriptor *ld,
74				     __be64 *ptr,
75				     unsigned int pass)
76{
77	int x, error;
78	for (x = 0; gfs2_log_ops[x]; x++)
79		if (gfs2_log_ops[x]->lo_scan_elements) {
80			error = gfs2_log_ops[x]->lo_scan_elements(jd, start,
81								  ld, ptr, pass);
82			if (error)
83				return error;
84		}
85
86	return 0;
87}
88
89static inline void lops_after_scan(struct gfs2_jdesc *jd, int error,
90				   unsigned int pass)
91{
92	int x;
93	for (x = 0; gfs2_log_ops[x]; x++)
94		if (gfs2_log_ops[x]->lo_before_scan)
95			gfs2_log_ops[x]->lo_after_scan(jd, error, pass);
96}
97
98#endif /* __LOPS_DOT_H__ */
99