Commit | Line | Data |
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7336d0e6 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
b3b94faa DT |
2 | /* |
3 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
d0109bfa | 4 | * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
5 | */ |
6 | ||
7 | #ifndef __LOPS_DOT_H__ | |
8 | #define __LOPS_DOT_H__ | |
9 | ||
f2f7ba52 SW |
10 | #include <linux/list.h> |
11 | #include "incore.h" | |
12 | ||
2332c443 RP |
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 | ||
b09e593d | 20 | extern const struct gfs2_log_operations *gfs2_log_ops[]; |
19ebc050 AG |
21 | extern void gfs2_log_incr_head(struct gfs2_sbd *sdp); |
22 | extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn); | |
c1696fb8 BP |
23 | extern void gfs2_log_write(struct gfs2_sbd *sdp, struct page *page, |
24 | unsigned size, unsigned offset, u64 blkno); | |
e8c92ed7 | 25 | extern void gfs2_log_write_page(struct gfs2_sbd *sdp, struct page *page); |
f4686c26 | 26 | extern void gfs2_log_submit_bio(struct bio **biop, int opf); |
767f433f | 27 | extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh); |
f4686c26 AD |
28 | extern int gfs2_find_jhead(struct gfs2_jdesc *jd, |
29 | struct gfs2_log_header_host *head, bool keep_cache); | |
b3b94faa | 30 | |
2332c443 RP |
31 | static inline unsigned int buf_limit(struct gfs2_sbd *sdp) |
32 | { | |
33 | unsigned int limit; | |
34 | ||
35 | limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64); | |
36 | return limit; | |
37 | } | |
38 | ||
39 | static inline unsigned int databuf_limit(struct gfs2_sbd *sdp) | |
40 | { | |
41 | unsigned int limit; | |
42 | ||
43 | limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64)); | |
44 | return limit; | |
45 | } | |
46 | ||
d69a3c65 SW |
47 | static inline void lops_before_commit(struct gfs2_sbd *sdp, |
48 | struct gfs2_trans *tr) | |
b3b94faa DT |
49 | { |
50 | int x; | |
51 | for (x = 0; gfs2_log_ops[x]; x++) | |
52 | if (gfs2_log_ops[x]->lo_before_commit) | |
d69a3c65 | 53 | gfs2_log_ops[x]->lo_before_commit(sdp, tr); |
b3b94faa DT |
54 | } |
55 | ||
16ca9412 BM |
56 | static inline void lops_after_commit(struct gfs2_sbd *sdp, |
57 | struct gfs2_trans *tr) | |
b3b94faa DT |
58 | { |
59 | int x; | |
60 | for (x = 0; gfs2_log_ops[x]; x++) | |
61 | if (gfs2_log_ops[x]->lo_after_commit) | |
16ca9412 | 62 | gfs2_log_ops[x]->lo_after_commit(sdp, tr); |
b3b94faa DT |
63 | } |
64 | ||
65 | static inline void lops_before_scan(struct gfs2_jdesc *jd, | |
55167622 | 66 | struct gfs2_log_header_host *head, |
b3b94faa DT |
67 | unsigned int pass) |
68 | { | |
69 | int x; | |
70 | for (x = 0; gfs2_log_ops[x]; x++) | |
71 | if (gfs2_log_ops[x]->lo_before_scan) | |
72 | gfs2_log_ops[x]->lo_before_scan(jd, head, pass); | |
73 | } | |
74 | ||
7c70b896 | 75 | static inline int lops_scan_elements(struct gfs2_jdesc *jd, u32 start, |
b3b94faa DT |
76 | struct gfs2_log_descriptor *ld, |
77 | __be64 *ptr, | |
78 | unsigned int pass) | |
79 | { | |
80 | int x, error; | |
81 | for (x = 0; gfs2_log_ops[x]; x++) | |
82 | if (gfs2_log_ops[x]->lo_scan_elements) { | |
83 | error = gfs2_log_ops[x]->lo_scan_elements(jd, start, | |
84 | ld, ptr, pass); | |
85 | if (error) | |
86 | return error; | |
87 | } | |
88 | ||
89 | return 0; | |
90 | } | |
91 | ||
92 | static inline void lops_after_scan(struct gfs2_jdesc *jd, int error, | |
93 | unsigned int pass) | |
94 | { | |
95 | int x; | |
96 | for (x = 0; gfs2_log_ops[x]; x++) | |
97 | if (gfs2_log_ops[x]->lo_before_scan) | |
98 | gfs2_log_ops[x]->lo_after_scan(jd, error, pass); | |
99 | } | |
100 | ||
101 | #endif /* __LOPS_DOT_H__ */ | |
102 |