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 __SUPER_DOT_H__
11 #define __SUPER_DOT_H__
12
13 #include "incore.h"
14
15 void gfs2_tune_init(struct gfs2_tune *gt);
16
17 int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent);
18 int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent);
19 int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector);
20
21 static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
22 {
23 unsigned int x;
24 spin_lock(&sdp->sd_jindex_spin);
25 x = sdp->sd_journals;
26 spin_unlock(&sdp->sd_jindex_spin);
27 return x;
28 }
29
30 int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh);
31 void gfs2_jindex_free(struct gfs2_sbd *sdp);
32
33 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
34 void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid);
35 struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp);
36 int gfs2_jdesc_check(struct gfs2_jdesc *jd);
37
38 int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
39 struct gfs2_inode **ipp);
40
41 int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
42 int gfs2_make_fs_ro(struct gfs2_sbd *sdp);
43
44 int gfs2_statfs_init(struct gfs2_sbd *sdp);
45 void gfs2_statfs_change(struct gfs2_sbd *sdp,
46 s64 total, s64 free, s64 dinodes);
47 int gfs2_statfs_sync(struct gfs2_sbd *sdp);
48 int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
49 int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
50
51 int gfs2_freeze_fs(struct gfs2_sbd *sdp);
52 void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
53
54 #endif /* __SUPER_DOT_H__ */
55
56
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