xref: /linux/fs/gfs2/super.h (revision 4949009eb8d40a441dcddcd96e101e77d31cf1b2)
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 
17 extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
18 
19 static 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 
28 extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
29 
30 extern int gfs2_mount_args(struct gfs2_args *args, char *data);
31 
32 extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
33 extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
34 
35 extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
36 				     struct gfs2_inode **ipp);
37 
38 extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
39 extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
40 extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
41 extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
42 			       s64 dinodes);
43 extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
44 				  const void *buf);
45 extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
46 			  struct buffer_head *l_bh);
47 extern int gfs2_statfs_sync(struct super_block *sb, int type);
48 extern void gfs2_freeze_func(struct work_struct *work);
49 
50 extern struct file_system_type gfs2_fs_type;
51 extern struct file_system_type gfs2meta_fs_type;
52 extern const struct export_operations gfs2_export_ops;
53 extern const struct super_operations gfs2_super_ops;
54 extern const struct dentry_operations gfs2_dops;
55 extern const struct xattr_handler *gfs2_xattr_handlers[];
56 
57 #endif /* __SUPER_DOT_H__ */
58 
59