diff options
Diffstat (limited to 'fs/gfs2/rgrp.h')
-rw-r--r-- | fs/gfs2/rgrp.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h new file mode 100644 index 000000000000..9eedfd12bfff --- /dev/null +++ b/fs/gfs2/rgrp.h | |||
@@ -0,0 +1,69 @@ | |||
1 | /* | ||
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | ||
3 | * Copyright (C) 2004-2006 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 version 2. | ||
8 | */ | ||
9 | |||
10 | #ifndef __RGRP_DOT_H__ | ||
11 | #define __RGRP_DOT_H__ | ||
12 | |||
13 | struct gfs2_rgrpd; | ||
14 | struct gfs2_sbd; | ||
15 | struct gfs2_holder; | ||
16 | |||
17 | void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd); | ||
18 | |||
19 | struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk); | ||
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 | static inline void gfs2_alloc_put(struct gfs2_inode *ip) | ||
34 | { | ||
35 | return; /* Se we can see where ip->i_alloc is used */ | ||
36 | } | ||
37 | |||
38 | int gfs2_inplace_reserve_i(struct gfs2_inode *ip, | ||
39 | char *file, unsigned int line); | ||
40 | #define gfs2_inplace_reserve(ip) \ | ||
41 | gfs2_inplace_reserve_i((ip), __FILE__, __LINE__) | ||
42 | |||
43 | void gfs2_inplace_release(struct gfs2_inode *ip); | ||
44 | |||
45 | unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block); | ||
46 | |||
47 | u64 gfs2_alloc_data(struct gfs2_inode *ip); | ||
48 | u64 gfs2_alloc_meta(struct gfs2_inode *ip); | ||
49 | u64 gfs2_alloc_di(struct gfs2_inode *ip, u64 *generation); | ||
50 | |||
51 | void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen); | ||
52 | void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen); | ||
53 | void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip); | ||
54 | void gfs2_unlink_di(struct inode *inode); | ||
55 | |||
56 | struct gfs2_rgrp_list { | ||
57 | unsigned int rl_rgrps; | ||
58 | unsigned int rl_space; | ||
59 | struct gfs2_rgrpd **rl_rgd; | ||
60 | struct gfs2_holder *rl_ghs; | ||
61 | }; | ||
62 | |||
63 | void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist, | ||
64 | u64 block); | ||
65 | void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state, | ||
66 | int flags); | ||
67 | void gfs2_rlist_free(struct gfs2_rgrp_list *rlist); | ||
68 | |||
69 | #endif /* __RGRP_DOT_H__ */ | ||