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GFS2: Don't warn when delete inode fails on ro filesystem
[people/ms/linux.git] / fs / gfs2 / rgrp.h
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1/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
fe6c991c 3 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
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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.
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8 */
9
10#ifndef __RGRP_DOT_H__
11#define __RGRP_DOT_H__
12
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13struct gfs2_rgrpd;
14struct gfs2_sbd;
15struct gfs2_holder;
16
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17void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
18
cd915493 19struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, u64 blk);
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20struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
21struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
22
23void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
24int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh);
25
26int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd);
27void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd);
28void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd);
29
30void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd);
31
32struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
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33static inline void gfs2_alloc_put(struct gfs2_inode *ip)
34{
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35 BUG_ON(ip->i_alloc == NULL);
36 kfree(ip->i_alloc);
37 ip->i_alloc = NULL;
2c1e52aa 38}
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39
40int gfs2_inplace_reserve_i(struct gfs2_inode *ip,
41 char *file, unsigned int line);
42#define gfs2_inplace_reserve(ip) \
43gfs2_inplace_reserve_i((ip), __FILE__, __LINE__)
44
45void gfs2_inplace_release(struct gfs2_inode *ip);
46
cd915493 47unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, u64 block);
b3b94faa 48
b45e41d7 49u64 gfs2_alloc_block(struct gfs2_inode *ip, unsigned int *n);
4340fe62 50u64 gfs2_alloc_di(struct gfs2_inode *ip, u64 *generation);
b3b94faa 51
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52void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen);
53void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen);
b3b94faa 54void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
feaa7bba 55void gfs2_unlink_di(struct inode *inode);
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56
57struct gfs2_rgrp_list {
58 unsigned int rl_rgrps;
59 unsigned int rl_space;
60 struct gfs2_rgrpd **rl_rgd;
61 struct gfs2_holder *rl_ghs;
62};
63
64void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist,
cd915493 65 u64 block);
fe6c991c 66void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state);
b3b94faa 67void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
cd81a4ba 68u64 gfs2_ri_total(struct gfs2_sbd *sdp);
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69
70#endif /* __RGRP_DOT_H__ */