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 void gfs2_jindex_free(struct gfs2_sbd *sdp);
29
30 extern int gfs2_mount_args(struct gfs2_sbd *sdp, 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
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 gfs2_sbd *sdp);
48
49 extern int gfs2_freeze_fs(struct gfs2_sbd *sdp);
50 extern void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
51
52 extern struct file_system_type gfs2_fs_type;
53 extern struct file_system_type gfs2meta_fs_type;
54 extern const struct export_operations gfs2_export_ops;
55 extern const struct super_operations gfs2_super_ops;
56 extern const struct dentry_operations gfs2_dops;
57
58 #endif /* __SUPER_DOT_H__ */
59
60
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