1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
4 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
5 */
6
7#ifndef __TRANS_DOT_H__
8#define __TRANS_DOT_H__
9
10#include <linux/buffer_head.h>
11struct gfs2_sbd;
12struct gfs2_rgrpd;
13struct gfs2_glock;
14
15#define RES_DINODE	1
16#define RES_INDIRECT	1
17#define RES_JDATA	1
18#define RES_DATA	1
19#define RES_LEAF	1
20#define RES_RG_HDR	1
21#define RES_RG_BIT	2
22#define RES_EATTR	1
23#define RES_STATFS	1
24#define RES_QUOTA	2
25
26/* reserve either the number of blocks to be allocated plus the rg header
27 * block, or all of the blocks in the rg, whichever is smaller */
28static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested)
29{
30	struct gfs2_rgrpd *rgd = ip->i_res.rs_rgd;
31
32	if (requested < rgd->rd_length)
33		return requested + 1;
34	return rgd->rd_length;
35}
36
37int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
38		       unsigned int blocks, unsigned int revokes,
39		       unsigned long ip);
40int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
41		     unsigned int revokes);
42
43void gfs2_trans_end(struct gfs2_sbd *sdp);
44void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
45void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
46void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
47void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
48void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
49
50#endif /* __TRANS_DOT_H__ */
51