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>
11 struct gfs2_sbd;
12 struct gfs2_rgrpd;
13 struct 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 */
gfs2_rg_blocks(const struct gfs2_inode * ip,unsigned requested)28 static 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
37 int __gfs2_trans_begin(struct gfs2_trans *tr, struct gfs2_sbd *sdp,
38 unsigned int blocks, unsigned int revokes,
39 unsigned long ip);
40 int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
41 unsigned int revokes);
42
43 void gfs2_trans_end(struct gfs2_sbd *sdp);
44 void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
45 void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
46 void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
47 void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
48 void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
49
50 #endif /* __TRANS_DOT_H__ */
51