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 /* Supported fs format version range */
15 #define GFS2_FS_FORMAT_MIN (1801)
16 #define GFS2_FS_FORMAT_MAX (1802)
17
18 void gfs2_lm_unmount(struct gfs2_sbd *sdp);
19
20 static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
21 {
22 unsigned int x;
23 spin_lock(&sdp->sd_jindex_spin);
24 x = sdp->sd_journals;
25 spin_unlock(&sdp->sd_jindex_spin);
26 return x;
27 }
28
29 void gfs2_jindex_free(struct gfs2_sbd *sdp);
30
31 struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
32 int gfs2_jdesc_check(struct gfs2_jdesc *jd);
33 int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
34 struct gfs2_inode **ipp);
35
36 int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
37 void gfs2_make_fs_ro(struct gfs2_sbd *sdp);
38 void gfs2_online_uevent(struct gfs2_sbd *sdp);
39 void gfs2_destroy_threads(struct gfs2_sbd *sdp);
40 int gfs2_statfs_init(struct gfs2_sbd *sdp);
41 void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
42 s64 dinodes);
43 void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
44 const void *buf);
45 void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
46 void *buf);
47 void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh);
48 int gfs2_statfs_sync(struct super_block *sb, int type);
49 void gfs2_freeze_func(struct work_struct *work);
50 void gfs2_thaw_freeze_initiator(struct super_block *sb);
51
52 void free_local_statfs_inodes(struct gfs2_sbd *sdp);
53 struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
54 unsigned int index);
55 void free_sbd(struct gfs2_sbd *sdp);
56
57 extern struct file_system_type gfs2_fs_type;
58 extern struct file_system_type gfs2meta_fs_type;
59 extern const struct export_operations gfs2_export_ops;
60 extern const struct super_operations gfs2_super_ops;
61 extern const struct dentry_operations gfs2_dops;
62
63 extern const struct xattr_handler * const gfs2_xattr_handlers_max[];
64 extern const struct xattr_handler * const *gfs2_xattr_handlers_min;
65
66 #endif /* __SUPER_DOT_H__ */
67
68
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