xref: /linux/fs/gfs2/super.h (revision 8fa5723aa7e053d498336b48448b292fc2e0458b)
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_lm_unmount(struct gfs2_sbd *sdp);
16 
17 static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
18 {
19 	unsigned int x;
20 	spin_lock(&sdp->sd_jindex_spin);
21 	x = sdp->sd_journals;
22 	spin_unlock(&sdp->sd_jindex_spin);
23 	return x;
24 }
25 
26 int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh);
27 void gfs2_jindex_free(struct gfs2_sbd *sdp);
28 
29 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
30 void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid);
31 struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp);
32 int gfs2_jdesc_check(struct gfs2_jdesc *jd);
33 
34 int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
35 			      struct gfs2_inode **ipp);
36 
37 int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
38 
39 int gfs2_statfs_init(struct gfs2_sbd *sdp);
40 void gfs2_statfs_change(struct gfs2_sbd *sdp,
41 			s64 total, s64 free, s64 dinodes);
42 int gfs2_statfs_sync(struct gfs2_sbd *sdp);
43 int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
44 int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
45 
46 int gfs2_freeze_fs(struct gfs2_sbd *sdp);
47 void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
48 
49 #endif /* __SUPER_DOT_H__ */
50 
51