xref: /openbmc/linux/fs/gfs2/super.h (revision d203c2d3)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
4  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
5  */
6 
7 #ifndef __SUPER_DOT_H__
8 #define __SUPER_DOT_H__
9 
10 #include <linux/fs.h>
11 #include <linux/dcache.h>
12 #include "incore.h"
13 
14 extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
15 
16 static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
17 {
18 	unsigned int x;
19 	spin_lock(&sdp->sd_jindex_spin);
20 	x = sdp->sd_journals;
21 	spin_unlock(&sdp->sd_jindex_spin);
22 	return x;
23 }
24 
25 extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
26 
27 extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
28 extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
29 extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
30 				     struct gfs2_inode **ipp);
31 
32 extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
33 extern int gfs2_make_fs_ro(struct gfs2_sbd *sdp);
34 extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
35 extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
36 extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
37 			       s64 dinodes);
38 extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
39 				  const void *buf);
40 extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
41 			  struct buffer_head *l_bh);
42 extern int gfs2_statfs_sync(struct super_block *sb, int type);
43 extern void gfs2_freeze_func(struct work_struct *work);
44 
45 extern void free_sbd(struct gfs2_sbd *sdp);
46 
47 extern struct file_system_type gfs2_fs_type;
48 extern struct file_system_type gfs2meta_fs_type;
49 extern const struct export_operations gfs2_export_ops;
50 extern const struct super_operations gfs2_super_ops;
51 extern const struct dentry_operations gfs2_dops;
52 extern const struct xattr_handler *gfs2_xattr_handlers[];
53 
54 #endif /* __SUPER_DOT_H__ */
55 
56