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1/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3a8a9a10 3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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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
e9fc2aa0 7 * of the GNU General Public License version 2.
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8 */
9
10#ifndef __LOPS_DOT_H__
11#define __LOPS_DOT_H__
12
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13#include <linux/list.h>
14#include "incore.h"
15
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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;
b3b94faa 21
b09e593d 22extern const struct gfs2_log_operations *gfs2_log_ops[];
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23
24static inline void lops_init_le(struct gfs2_log_element *le,
b09e593d 25 const struct gfs2_log_operations *lops)
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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 *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