blob: 4c44a191b1c110e0af9c8363200bd7f7ab65e1c1 [file] [log] [blame]
David Teiglandb3b94fa2006-01-16 16:50:04 +00001/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
4 *
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
7 * of the GNU General Public License v.2.
8 */
9
10#ifndef __RGRP_DOT_H__
11#define __RGRP_DOT_H__
12
13void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
14
15struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, uint64_t blk);
16struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
17struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
18
19void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
20int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh);
21
22int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd);
23void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd);
24void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd);
25
26void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd);
27
28struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
29void gfs2_alloc_put(struct gfs2_inode *ip);
30
31int gfs2_inplace_reserve_i(struct gfs2_inode *ip,
32 char *file, unsigned int line);
33#define gfs2_inplace_reserve(ip) \
34gfs2_inplace_reserve_i((ip), __FILE__, __LINE__)
35
36void gfs2_inplace_release(struct gfs2_inode *ip);
37
38unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, uint64_t block);
39
40uint64_t gfs2_alloc_data(struct gfs2_inode *ip);
41uint64_t gfs2_alloc_meta(struct gfs2_inode *ip);
42uint64_t gfs2_alloc_di(struct gfs2_inode *ip);
43
44void gfs2_free_data(struct gfs2_inode *ip, uint64_t bstart, uint32_t blen);
45void gfs2_free_meta(struct gfs2_inode *ip, uint64_t bstart, uint32_t blen);
46void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, uint64_t blkno);
47void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
48
49struct gfs2_rgrp_list {
50 unsigned int rl_rgrps;
51 unsigned int rl_space;
52 struct gfs2_rgrpd **rl_rgd;
53 struct gfs2_holder *rl_ghs;
54};
55
56void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist,
57 uint64_t block);
58void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state,
59 int flags);
60void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
61
62#endif /* __RGRP_DOT_H__ */