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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 | ||
b09e593d | 13 | extern const struct gfs2_log_operations *gfs2_log_ops[]; |
19ebc050 AG |
14 | extern void gfs2_log_incr_head(struct gfs2_sbd *sdp); |
15 | extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn); | |
82218943 BP |
16 | extern void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, |
17 | struct page *page, unsigned size, unsigned offset, | |
18 | u64 blkno); | |
f4686c26 | 19 | extern void gfs2_log_submit_bio(struct bio **biop, int opf); |
767f433f | 20 | extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh); |
f4686c26 AD |
21 | extern int gfs2_find_jhead(struct gfs2_jdesc *jd, |
22 | struct gfs2_log_header_host *head, bool keep_cache); | |
f5456b5d | 23 | extern void gfs2_drain_revokes(struct gfs2_sbd *sdp); |
2332c443 RP |
24 | static inline unsigned int buf_limit(struct gfs2_sbd *sdp) |
25 | { | |
458094c2 | 26 | return sdp->sd_ldptrs; |
2332c443 RP |
27 | } |
28 | ||
29 | static inline unsigned int databuf_limit(struct gfs2_sbd *sdp) | |
30 | { | |
458094c2 | 31 | return sdp->sd_ldptrs / 2; |
2332c443 RP |
32 | } |
33 | ||
d69a3c65 SW |
34 | static inline void lops_before_commit(struct gfs2_sbd *sdp, |
35 | struct gfs2_trans *tr) | |
b3b94faa DT |
36 | { |
37 | int x; | |
38 | for (x = 0; gfs2_log_ops[x]; x++) | |
39 | if (gfs2_log_ops[x]->lo_before_commit) | |
d69a3c65 | 40 | gfs2_log_ops[x]->lo_before_commit(sdp, tr); |
b3b94faa DT |
41 | } |
42 | ||
16ca9412 BM |
43 | static inline void lops_after_commit(struct gfs2_sbd *sdp, |
44 | struct gfs2_trans *tr) | |
b3b94faa DT |
45 | { |
46 | int x; | |
47 | for (x = 0; gfs2_log_ops[x]; x++) | |
48 | if (gfs2_log_ops[x]->lo_after_commit) | |
16ca9412 | 49 | gfs2_log_ops[x]->lo_after_commit(sdp, tr); |
b3b94faa DT |
50 | } |
51 | ||
52 | static inline void lops_before_scan(struct gfs2_jdesc *jd, | |
55167622 | 53 | struct gfs2_log_header_host *head, |
b3b94faa DT |
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 | ||
7c70b896 | 62 | static inline int lops_scan_elements(struct gfs2_jdesc *jd, u32 start, |
b3b94faa DT |
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 | ||
79 | static 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 |