/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. */ #ifndef __LOPS_DOT_H__ #define __LOPS_DOT_H__ #include <linux/list.h> #include "incore.h" extern const struct gfs2_log_operations *gfs2_log_ops[]; extern void gfs2_log_incr_head(struct gfs2_sbd *sdp); extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn); extern void gfs2_log_write(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, struct page *page, unsigned size, unsigned offset, u64 blkno); extern void gfs2_log_submit_bio(struct bio **biop, int opf); extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh); extern int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head, bool keep_cache); extern void gfs2_drain_revokes(struct gfs2_sbd *sdp); static inline unsigned int buf_limit(struct gfs2_sbd *sdp) { return sdp->sd_ldptrs; } static inline unsigned int databuf_limit(struct gfs2_sbd *sdp) { return sdp->sd_ldptrs / 2; } static inline void lops_before_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) { int x; for (x = 0; gfs2_log_ops[x]; x++) if (gfs2_log_ops[x]->lo_before_commit) gfs2_log_ops[x]->lo_before_commit(sdp, tr); } static inline void lops_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) { int x; for (x = 0; gfs2_log_ops[x]; x++) if (gfs2_log_ops[x]->lo_after_commit) gfs2_log_ops[x]->lo_after_commit(sdp, tr); } static inline void lops_before_scan(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head, unsigned int pass) { int x; for (x = 0; gfs2_log_ops[x]; x++) if (gfs2_log_ops[x]->lo_before_scan) gfs2_log_ops[x]->lo_before_scan(jd, head, pass); } static inline int lops_scan_elements(struct gfs2_jdesc *jd, u32 start, struct gfs2_log_descriptor *ld, __be64 *ptr, unsigned int pass) { int x, error; for (x = 0; gfs2_log_ops[x]; x++) if (gfs2_log_ops[x]->lo_scan_elements) { error = gfs2_log_ops[x]->lo_scan_elements(jd, start, ld, ptr, pass); if (error) return error; } return 0; } static inline void lops_after_scan(struct gfs2_jdesc *jd, int error, unsigned int pass) { int x; for (x = 0; gfs2_log_ops[x]; x++) if (gfs2_log_ops[x]->lo_before_scan) gfs2_log_ops[x]->lo_after_scan(jd, error, pass); } #endif /* __LOPS_DOT_H__ */