xref: /openbmc/linux/fs/gfs2/super.h (revision 92cecbbf)
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 
13b2760583SSteven Whitehouse #include <linux/fs.h>
14b2760583SSteven Whitehouse #include <linux/dcache.h>
15f2f7ba52SSteven Whitehouse #include "incore.h"
16f2f7ba52SSteven Whitehouse 
17da755fdbSSteven Whitehouse void gfs2_lm_unmount(struct gfs2_sbd *sdp);
18b3b94faaSDavid Teigland 
19b3b94faaSDavid Teigland static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
20b3b94faaSDavid Teigland {
21b3b94faaSDavid Teigland 	unsigned int x;
22b3b94faaSDavid Teigland 	spin_lock(&sdp->sd_jindex_spin);
23b3b94faaSDavid Teigland 	x = sdp->sd_journals;
24b3b94faaSDavid Teigland 	spin_unlock(&sdp->sd_jindex_spin);
25b3b94faaSDavid Teigland 	return x;
26b3b94faaSDavid Teigland }
27b3b94faaSDavid Teigland 
28fefc03bfSSteven Whitehouse void gfs2_jindex_free(struct gfs2_sbd *sdp);
29fefc03bfSSteven Whitehouse 
30b3b94faaSDavid Teigland struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
31b3b94faaSDavid Teigland int gfs2_jdesc_check(struct gfs2_jdesc *jd);
32b3b94faaSDavid Teigland 
33b3b94faaSDavid Teigland int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
34b3b94faaSDavid Teigland 			      struct gfs2_inode **ipp);
35b3b94faaSDavid Teigland 
36b3b94faaSDavid Teigland int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
37b3b94faaSDavid Teigland 
38b3b94faaSDavid Teigland int gfs2_statfs_init(struct gfs2_sbd *sdp);
39b3b94faaSDavid Teigland void gfs2_statfs_change(struct gfs2_sbd *sdp,
40cd915493SSteven Whitehouse 			s64 total, s64 free, s64 dinodes);
41b3b94faaSDavid Teigland int gfs2_statfs_sync(struct gfs2_sbd *sdp);
42b3b94faaSDavid Teigland 
43b3b94faaSDavid Teigland int gfs2_freeze_fs(struct gfs2_sbd *sdp);
44b3b94faaSDavid Teigland void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
45b3b94faaSDavid Teigland 
46b2760583SSteven Whitehouse extern struct file_system_type gfs2_fs_type;
47b2760583SSteven Whitehouse extern struct file_system_type gfs2meta_fs_type;
48b2760583SSteven Whitehouse extern const struct export_operations gfs2_export_ops;
49b2760583SSteven Whitehouse extern const struct super_operations gfs2_super_ops;
5092cecbbfSAl Viro extern const struct dentry_operations gfs2_dops;
51b2760583SSteven Whitehouse 
52b3b94faaSDavid Teigland #endif /* __SUPER_DOT_H__ */
53b3b94faaSDavid Teigland 
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