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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
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 | |
e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
b3b94faa DT |
8 | */ |
9 | ||
10 | #ifndef __RGRP_DOT_H__ | |
11 | #define __RGRP_DOT_H__ | |
12 | ||
f2f7ba52 SW |
13 | struct gfs2_rgrpd; |
14 | struct gfs2_sbd; | |
15 | struct gfs2_holder; | |
16 | ||
b3b94faa DT |
17 | void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd); |
18 | ||
cd915493 | 19 | struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk); |
b3b94faa DT |
20 | struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp); |
21 | struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd); | |
22 | ||
23 | void gfs2_clear_rgrpd(struct gfs2_sbd *sdp); | |
24 | int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh); | |
25 | ||
26 | int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd); | |
27 | void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd); | |
28 | void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd); | |
29 | ||
30 | void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd); | |
31 | ||
32 | struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip); | |
33 | void gfs2_alloc_put(struct gfs2_inode *ip); | |
34 | ||
35 | int gfs2_inplace_reserve_i(struct gfs2_inode *ip, | |
36 | char *file, unsigned int line); | |
37 | #define gfs2_inplace_reserve(ip) \ | |
38 | gfs2_inplace_reserve_i((ip), __FILE__, __LINE__) | |
39 | ||
40 | void gfs2_inplace_release(struct gfs2_inode *ip); | |
41 | ||
cd915493 | 42 | unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block); |
b3b94faa | 43 | |
4340fe62 SW |
44 | u64 gfs2_alloc_data(struct gfs2_inode *ip); |
45 | u64 gfs2_alloc_meta(struct gfs2_inode *ip); | |
46 | u64 gfs2_alloc_di(struct gfs2_inode *ip, u64 *generation); | |
b3b94faa | 47 | |
cd915493 SW |
48 | void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen); |
49 | void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); | |
b3b94faa | 50 | void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip); |
feaa7bba | 51 | void gfs2_unlink_di(struct inode *inode); |
b3b94faa DT |
52 | |
53 | struct gfs2_rgrp_list { | |
54 | unsigned int rl_rgrps; | |
55 | unsigned int rl_space; | |
56 | struct gfs2_rgrpd **rl_rgd; | |
57 | struct gfs2_holder *rl_ghs; | |
58 | }; | |
59 | ||
60 | void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist, | |
cd915493 | 61 | u64 block); |
b3b94faa DT |
62 | void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state, |
63 | int flags); | |
64 | void gfs2_rlist_free(struct gfs2_rgrp_list *rlist); | |
65 | ||
66 | #endif /* __RGRP_DOT_H__ */ |