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