1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
4*4882a593Smuzhiyun * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #ifndef __TRANS_DOT_H__
8*4882a593Smuzhiyun #define __TRANS_DOT_H__
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/buffer_head.h>
11*4882a593Smuzhiyun struct gfs2_sbd;
12*4882a593Smuzhiyun struct gfs2_rgrpd;
13*4882a593Smuzhiyun struct gfs2_glock;
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #define RES_DINODE 1
16*4882a593Smuzhiyun #define RES_INDIRECT 1
17*4882a593Smuzhiyun #define RES_JDATA 1
18*4882a593Smuzhiyun #define RES_DATA 1
19*4882a593Smuzhiyun #define RES_LEAF 1
20*4882a593Smuzhiyun #define RES_RG_HDR 1
21*4882a593Smuzhiyun #define RES_RG_BIT 2
22*4882a593Smuzhiyun #define RES_EATTR 1
23*4882a593Smuzhiyun #define RES_STATFS 1
24*4882a593Smuzhiyun #define RES_QUOTA 2
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun /* reserve either the number of blocks to be allocated plus the rg header
27*4882a593Smuzhiyun * block, or all of the blocks in the rg, whichever is smaller */
gfs2_rg_blocks(const struct gfs2_inode * ip,unsigned requested)28*4882a593Smuzhiyun static inline unsigned int gfs2_rg_blocks(const struct gfs2_inode *ip, unsigned requested)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun struct gfs2_rgrpd *rgd = ip->i_res.rs_rbm.rgd;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun if (requested < rgd->rd_length)
33*4882a593Smuzhiyun return requested + 1;
34*4882a593Smuzhiyun return rgd->rd_length;
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun extern int gfs2_trans_begin(struct gfs2_sbd *sdp, unsigned int blocks,
38*4882a593Smuzhiyun unsigned int revokes);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun extern void gfs2_trans_end(struct gfs2_sbd *sdp);
41*4882a593Smuzhiyun extern void gfs2_trans_add_data(struct gfs2_glock *gl, struct buffer_head *bh);
42*4882a593Smuzhiyun extern void gfs2_trans_add_meta(struct gfs2_glock *gl, struct buffer_head *bh);
43*4882a593Smuzhiyun extern void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
44*4882a593Smuzhiyun extern void gfs2_trans_remove_revoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len);
45*4882a593Smuzhiyun extern void gfs2_trans_free(struct gfs2_sbd *sdp, struct gfs2_trans *tr);
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun #endif /* __TRANS_DOT_H__ */
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