xref: /openbmc/linux/fs/gfs2/super.h (revision bb8d8a6f)
1b3b94faaSDavid Teigland /*
2b3b94faaSDavid Teigland  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
33a8a9a10SSteven Whitehouse  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
4b3b94faaSDavid Teigland  *
5b3b94faaSDavid Teigland  * This copyrighted material is made available to anyone wishing to use,
6b3b94faaSDavid Teigland  * modify, copy, or redistribute it subject to the terms and conditions
7e9fc2aa0SSteven Whitehouse  * of the GNU General Public License version 2.
8b3b94faaSDavid Teigland  */
9b3b94faaSDavid Teigland 
10b3b94faaSDavid Teigland #ifndef __SUPER_DOT_H__
11b3b94faaSDavid Teigland #define __SUPER_DOT_H__
12b3b94faaSDavid Teigland 
13f2f7ba52SSteven Whitehouse #include "incore.h"
14f2f7ba52SSteven Whitehouse 
15b3b94faaSDavid Teigland void gfs2_tune_init(struct gfs2_tune *gt);
16b3b94faaSDavid Teigland 
17f50dfaf7SAl Viro int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent);
18b3b94faaSDavid Teigland int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent);
19bb8d8a6fSSteven Whitehouse int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector);
20b3b94faaSDavid Teigland 
21b3b94faaSDavid Teigland static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
22b3b94faaSDavid Teigland {
23b3b94faaSDavid Teigland 	unsigned int x;
24b3b94faaSDavid Teigland 	spin_lock(&sdp->sd_jindex_spin);
25b3b94faaSDavid Teigland 	x = sdp->sd_journals;
26b3b94faaSDavid Teigland 	spin_unlock(&sdp->sd_jindex_spin);
27b3b94faaSDavid Teigland 	return x;
28b3b94faaSDavid Teigland }
29b3b94faaSDavid Teigland 
30b3b94faaSDavid Teigland int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh);
31b3b94faaSDavid Teigland void gfs2_jindex_free(struct gfs2_sbd *sdp);
32b3b94faaSDavid Teigland 
33b3b94faaSDavid Teigland struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
34b3b94faaSDavid Teigland void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid);
35b3b94faaSDavid Teigland struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp);
36b3b94faaSDavid Teigland int gfs2_jdesc_check(struct gfs2_jdesc *jd);
37b3b94faaSDavid Teigland 
38b3b94faaSDavid Teigland int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
39b3b94faaSDavid Teigland 			      struct gfs2_inode **ipp);
40b3b94faaSDavid Teigland 
41b3b94faaSDavid Teigland int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
42b3b94faaSDavid Teigland int gfs2_make_fs_ro(struct gfs2_sbd *sdp);
43b3b94faaSDavid Teigland 
44b3b94faaSDavid Teigland int gfs2_statfs_init(struct gfs2_sbd *sdp);
45b3b94faaSDavid Teigland void gfs2_statfs_change(struct gfs2_sbd *sdp,
46cd915493SSteven Whitehouse 			s64 total, s64 free, s64 dinodes);
47b3b94faaSDavid Teigland int gfs2_statfs_sync(struct gfs2_sbd *sdp);
48bd209cc0SAl Viro int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
49bd209cc0SAl Viro int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
50b3b94faaSDavid Teigland 
51b3b94faaSDavid Teigland int gfs2_freeze_fs(struct gfs2_sbd *sdp);
52b3b94faaSDavid Teigland void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
53b3b94faaSDavid Teigland 
54b3b94faaSDavid Teigland #endif /* __SUPER_DOT_H__ */
55b3b94faaSDavid Teigland 
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