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 <linux/fs.h>
14#include <linux/dcache.h>
15#include "incore.h"
16
17extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
18
19static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
20{
21	unsigned int x;
22	spin_lock(&sdp->sd_jindex_spin);
23	x = sdp->sd_journals;
24	spin_unlock(&sdp->sd_jindex_spin);
25	return x;
26}
27
28extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
29
30extern int gfs2_mount_args(struct gfs2_args *args, char *data);
31
32extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
33extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
34
35extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
36				     struct gfs2_inode **ipp);
37
38extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
39extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
40extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
41extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
42			       s64 dinodes);
43extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
44				  const void *buf);
45extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
46			  struct buffer_head *l_bh);
47extern int gfs2_statfs_sync(struct super_block *sb, int type);
48
49extern int gfs2_freeze_fs(struct gfs2_sbd *sdp);
50extern void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
51
52extern struct file_system_type gfs2_fs_type;
53extern struct file_system_type gfs2meta_fs_type;
54extern const struct export_operations gfs2_export_ops;
55extern const struct super_operations gfs2_super_ops;
56extern const struct dentry_operations gfs2_dops;
57extern const struct xattr_handler *gfs2_xattr_handlers[];
58
59#endif /* __SUPER_DOT_H__ */
60