1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
4 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
10 #include <linux/list.h>
13 extern const struct gfs2_log_operations *gfs2_log_ops[];
14 extern void gfs2_log_incr_head(struct gfs2_sbd *sdp);
15 extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn);
16 extern void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
17 struct page *page, unsigned size, unsigned offset,
19 extern void gfs2_log_submit_bio(struct bio **biop, int opf);
20 extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
21 extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
22 struct gfs2_log_header_host *head, bool keep_cache);
23 static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
25 return sdp->sd_ldptrs;
28 static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
30 return sdp->sd_ldptrs / 2;
33 static inline void lops_before_commit(struct gfs2_sbd *sdp,
34 struct gfs2_trans *tr)
37 for (x = 0; gfs2_log_ops[x]; x++)
38 if (gfs2_log_ops[x]->lo_before_commit)
39 gfs2_log_ops[x]->lo_before_commit(sdp, tr);
42 static inline void lops_after_commit(struct gfs2_sbd *sdp,
43 struct gfs2_trans *tr)
46 for (x = 0; gfs2_log_ops[x]; x++)
47 if (gfs2_log_ops[x]->lo_after_commit)
48 gfs2_log_ops[x]->lo_after_commit(sdp, tr);
51 static inline void lops_before_scan(struct gfs2_jdesc *jd,
52 struct gfs2_log_header_host *head,
56 for (x = 0; gfs2_log_ops[x]; x++)
57 if (gfs2_log_ops[x]->lo_before_scan)
58 gfs2_log_ops[x]->lo_before_scan(jd, head, pass);
61 static inline int lops_scan_elements(struct gfs2_jdesc *jd, u32 start,
62 struct gfs2_log_descriptor *ld,
67 for (x = 0; gfs2_log_ops[x]; x++)
68 if (gfs2_log_ops[x]->lo_scan_elements) {
69 error = gfs2_log_ops[x]->lo_scan_elements(jd, start,
78 static inline void lops_after_scan(struct gfs2_jdesc *jd, int error,
82 for (x = 0; gfs2_log_ops[x]; x++)
83 if (gfs2_log_ops[x]->lo_before_scan)
84 gfs2_log_ops[x]->lo_after_scan(jd, error, pass);
87 #endif /* __LOPS_DOT_H__ */