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David Teiglandb3b94fa2006-01-16 16:50:04 +00001/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
Steven Whitehouse3a8a9a12006-05-18 15:09:15 -04003 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
David Teiglandb3b94fa2006-01-16 16:50:04 +00004 *
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
Steven Whitehousee9fc2aa2006-09-01 11:05:15 -04007 * of the GNU General Public License version 2.
David Teiglandb3b94fa2006-01-16 16:50:04 +00008 */
9
10#ifndef __SUPER_DOT_H__
11#define __SUPER_DOT_H__
12
Steven Whitehousef2f7ba52006-09-05 10:39:21 -040013#include "incore.h"
14
David Teiglandb3b94fa2006-01-16 16:50:04 +000015void gfs2_tune_init(struct gfs2_tune *gt);
16
Al Virof50dfaf2006-10-13 20:45:02 -040017int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent);
David Teiglandb3b94fa2006-01-16 16:50:04 +000018int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent);
Steven Whitehouse3cf1e7b2006-10-02 11:49:41 -040019struct page *gfs2_read_super(struct super_block *sb, sector_t sector);
David Teiglandb3b94fa2006-01-16 16:50:04 +000020
21static 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
30int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh);
31void gfs2_jindex_free(struct gfs2_sbd *sdp);
32
33struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
34void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid);
35struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp);
36int gfs2_jdesc_check(struct gfs2_jdesc *jd);
37
David Teiglandb3b94fa2006-01-16 16:50:04 +000038int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
39 struct gfs2_inode **ipp);
40
41int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
42int gfs2_make_fs_ro(struct gfs2_sbd *sdp);
43
44int gfs2_statfs_init(struct gfs2_sbd *sdp);
45void gfs2_statfs_change(struct gfs2_sbd *sdp,
Steven Whitehousecd915492006-09-04 12:49:07 -040046 s64 total, s64 free, s64 dinodes);
David Teiglandb3b94fa2006-01-16 16:50:04 +000047int gfs2_statfs_sync(struct gfs2_sbd *sdp);
Al Virobd209cc2006-10-13 23:43:19 -040048int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
49int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
David Teiglandb3b94fa2006-01-16 16:50:04 +000050
David Teiglandb3b94fa2006-01-16 16:50:04 +000051int gfs2_freeze_fs(struct gfs2_sbd *sdp);
52void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
53
54#endif /* __SUPER_DOT_H__ */
55