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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
4 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
5 */
6
7#ifndef __LOPS_DOT_H__
8#define __LOPS_DOT_H__
9
10#include <linux/list.h>
11#include "incore.h"
12
13extern const struct gfs2_log_operations *gfs2_log_ops[];
14extern void gfs2_log_incr_head(struct gfs2_sbd *sdp);
15extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn);
16extern void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
17 struct page *page, unsigned size, unsigned offset,
18 u64 blkno);
19extern void gfs2_log_submit_bio(struct bio **biop, blk_opf_t opf);
20extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
21extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
22 struct gfs2_log_header_host *head, bool keep_cache);
23extern void gfs2_drain_revokes(struct gfs2_sbd *sdp);
24static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
25{
26 return sdp->sd_ldptrs;
27}
28
29static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
30{
31 return sdp->sd_ldptrs / 2;
32}
33
34static inline void lops_before_commit(struct gfs2_sbd *sdp,
35 struct gfs2_trans *tr)
36{
37 int x;
38 for (x = 0; gfs2_log_ops[x]; x++)
39 if (gfs2_log_ops[x]->lo_before_commit)
40 gfs2_log_ops[x]->lo_before_commit(sdp, tr);
41}
42
43static inline void lops_after_commit(struct gfs2_sbd *sdp,
44 struct gfs2_trans *tr)
45{
46 int x;
47 for (x = 0; gfs2_log_ops[x]; x++)
48 if (gfs2_log_ops[x]->lo_after_commit)
49 gfs2_log_ops[x]->lo_after_commit(sdp, tr);
50}
51
52static inline void lops_before_scan(struct gfs2_jdesc *jd,
53 struct gfs2_log_header_host *head,
54 unsigned int pass)
55{
56 int x;
57 for (x = 0; gfs2_log_ops[x]; x++)
58 if (gfs2_log_ops[x]->lo_before_scan)
59 gfs2_log_ops[x]->lo_before_scan(jd, head, pass);
60}
61
62static inline int lops_scan_elements(struct gfs2_jdesc *jd, u32 start,
63 struct gfs2_log_descriptor *ld,
64 __be64 *ptr,
65 unsigned int pass)
66{
67 int x, error;
68 for (x = 0; gfs2_log_ops[x]; x++)
69 if (gfs2_log_ops[x]->lo_scan_elements) {
70 error = gfs2_log_ops[x]->lo_scan_elements(jd, start,
71 ld, ptr, pass);
72 if (error)
73 return error;
74 }
75
76 return 0;
77}
78
79static inline void lops_after_scan(struct gfs2_jdesc *jd, int error,
80 unsigned int pass)
81{
82 int x;
83 for (x = 0; gfs2_log_ops[x]; x++)
84 if (gfs2_log_ops[x]->lo_before_scan)
85 gfs2_log_ops[x]->lo_after_scan(jd, error, pass);
86}
87
88#endif /* __LOPS_DOT_H__ */
89
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
4 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
5 */
6
7#ifndef __LOPS_DOT_H__
8#define __LOPS_DOT_H__
9
10#include <linux/list.h>
11#include "incore.h"
12
13#define BUF_OFFSET \
14 ((sizeof(struct gfs2_log_descriptor) + sizeof(__be64) - 1) & \
15 ~(sizeof(__be64) - 1))
16#define DATABUF_OFFSET \
17 ((sizeof(struct gfs2_log_descriptor) + (2 * sizeof(__be64) - 1)) & \
18 ~(2 * sizeof(__be64) - 1))
19
20extern const struct gfs2_log_operations *gfs2_log_ops[];
21extern u64 gfs2_log_bmap(struct gfs2_sbd *sdp);
22extern void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page,
23 unsigned size, unsigned offset, u64 blkno);
24extern void gfs2_log_write_page(struct gfs2_sbd *sdp, struct page *page);
25extern void gfs2_log_submit_bio(struct bio **biop, int opf);
26extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
27extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
28 struct gfs2_log_header_host *head, bool keep_cache);
29
30static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
31{
32 unsigned int limit;
33
34 limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64);
35 return limit;
36}
37
38static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
39{
40 unsigned int limit;
41
42 limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64));
43 return limit;
44}
45
46static inline void lops_before_commit(struct gfs2_sbd *sdp,
47 struct gfs2_trans *tr)
48{
49 int x;
50 for (x = 0; gfs2_log_ops[x]; x++)
51 if (gfs2_log_ops[x]->lo_before_commit)
52 gfs2_log_ops[x]->lo_before_commit(sdp, tr);
53}
54
55static inline void lops_after_commit(struct gfs2_sbd *sdp,
56 struct gfs2_trans *tr)
57{
58 int x;
59 for (x = 0; gfs2_log_ops[x]; x++)
60 if (gfs2_log_ops[x]->lo_after_commit)
61 gfs2_log_ops[x]->lo_after_commit(sdp, tr);
62}
63
64static inline void lops_before_scan(struct gfs2_jdesc *jd,
65 struct gfs2_log_header_host *head,
66 unsigned int pass)
67{
68 int x;
69 for (x = 0; gfs2_log_ops[x]; x++)
70 if (gfs2_log_ops[x]->lo_before_scan)
71 gfs2_log_ops[x]->lo_before_scan(jd, head, pass);
72}
73
74static inline int lops_scan_elements(struct gfs2_jdesc *jd, u32 start,
75 struct gfs2_log_descriptor *ld,
76 __be64 *ptr,
77 unsigned int pass)
78{
79 int x, error;
80 for (x = 0; gfs2_log_ops[x]; x++)
81 if (gfs2_log_ops[x]->lo_scan_elements) {
82 error = gfs2_log_ops[x]->lo_scan_elements(jd, start,
83 ld, ptr, pass);
84 if (error)
85 return error;
86 }
87
88 return 0;
89}
90
91static inline void lops_after_scan(struct gfs2_jdesc *jd, int error,
92 unsigned int pass)
93{
94 int x;
95 for (x = 0; gfs2_log_ops[x]; x++)
96 if (gfs2_log_ops[x]->lo_before_scan)
97 gfs2_log_ops[x]->lo_after_scan(jd, error, pass);
98}
99
100#endif /* __LOPS_DOT_H__ */
101