blob: 4532dbab0a2c915fed49268fb8bc3fddcd7391d1 [file] [log] [blame]
David Teiglandb3b94fa2006-01-16 16:50:04 +00001/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2005 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 v.2.
8 */
9
10#ifndef __UTIL_DOT_H__
11#define __UTIL_DOT_H__
12
David Teiglandb3b94fa2006-01-16 16:50:04 +000013
14#define fs_printk(level, fs, fmt, arg...) \
15 printk(level "GFS2: fsid=%s: " fmt , (fs)->sd_fsname , ## arg)
16
17#define fs_info(fs, fmt, arg...) \
18 fs_printk(KERN_INFO , fs , fmt , ## arg)
19
20#define fs_warn(fs, fmt, arg...) \
21 fs_printk(KERN_WARNING , fs , fmt , ## arg)
22
23#define fs_err(fs, fmt, arg...) \
24 fs_printk(KERN_ERR, fs , fmt , ## arg)
25
26
27void gfs2_assert_i(struct gfs2_sbd *sdp);
28
29#define gfs2_assert(sdp, assertion) \
30do { \
31 if (unlikely(!(assertion))) { \
32 gfs2_assert_i(sdp); \
33 BUG(); \
34 } \
35} while (0)
36
37
38int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
39 const char *function, char *file, unsigned int line);
40
41#define gfs2_assert_withdraw(sdp, assertion) \
42((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \
43 __FUNCTION__, __FILE__, __LINE__))
44
45
46int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
47 const char *function, char *file, unsigned int line);
48
49#define gfs2_assert_warn(sdp, assertion) \
50((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \
51 __FUNCTION__, __FILE__, __LINE__))
52
53
54int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide,
55 const char *function, char *file, unsigned int line);
56
57#define gfs2_consist(sdp) \
58gfs2_consist_i((sdp), 0, __FUNCTION__, __FILE__, __LINE__)
59
60
61int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide,
62 const char *function, char *file, unsigned int line);
63
64#define gfs2_consist_inode(ip) \
65gfs2_consist_inode_i((ip), 0, __FUNCTION__, __FILE__, __LINE__)
66
67
68int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide,
69 const char *function, char *file, unsigned int line);
70
71#define gfs2_consist_rgrpd(rgd) \
72gfs2_consist_rgrpd_i((rgd), 0, __FUNCTION__, __FILE__, __LINE__)
73
74
75int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
76 const char *type, const char *function,
77 char *file, unsigned int line);
78
79static inline int gfs2_meta_check_i(struct gfs2_sbd *sdp,
80 struct buffer_head *bh,
81 const char *function,
82 char *file, unsigned int line)
83{
84 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
85 uint32_t magic = mh->mh_magic;
86 magic = be32_to_cpu(magic);
87 if (unlikely(magic != GFS2_MAGIC))
88 return gfs2_meta_check_ii(sdp, bh, "magic number", function,
89 file, line);
90 return 0;
91}
92
93#define gfs2_meta_check(sdp, bh) \
94gfs2_meta_check_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__)
95
96
97int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
98 uint16_t type, uint16_t t,
99 const char *function,
100 char *file, unsigned int line);
101
102static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp,
103 struct buffer_head *bh,
104 uint16_t type,
105 const char *function,
106 char *file, unsigned int line)
107{
108 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
109 uint32_t magic = mh->mh_magic;
Steven Whitehousee3167de2006-03-30 15:46:23 -0500110 uint16_t t = be32_to_cpu(mh->mh_type);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000111 magic = be32_to_cpu(magic);
112 if (unlikely(magic != GFS2_MAGIC))
113 return gfs2_meta_check_ii(sdp, bh, "magic number", function,
114 file, line);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000115 if (unlikely(t != type))
116 return gfs2_metatype_check_ii(sdp, bh, type, t, function,
117 file, line);
118 return 0;
119}
120
121#define gfs2_metatype_check(sdp, bh, type) \
122gfs2_metatype_check_i((sdp), (bh), (type), __FUNCTION__, __FILE__, __LINE__)
123
124static inline void gfs2_metatype_set(struct buffer_head *bh, uint16_t type,
125 uint16_t format)
126{
127 struct gfs2_meta_header *mh;
128 mh = (struct gfs2_meta_header *)bh->b_data;
Steven Whitehousee3167de2006-03-30 15:46:23 -0500129 mh->mh_type = cpu_to_be32(type);
130 mh->mh_format = cpu_to_be32(format);
David Teiglandb3b94fa2006-01-16 16:50:04 +0000131}
132
133
134int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
135 char *file, unsigned int line);
136
137#define gfs2_io_error(sdp) \
138gfs2_io_error_i((sdp), __FUNCTION__, __FILE__, __LINE__);
139
140
141int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,
142 const char *function, char *file, unsigned int line);
143
144#define gfs2_io_error_bh(sdp, bh) \
145gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__);
146
147
148extern kmem_cache_t *gfs2_glock_cachep;
149extern kmem_cache_t *gfs2_inode_cachep;
150extern kmem_cache_t *gfs2_bufdata_cachep;
151
David Teiglandb3b94fa2006-01-16 16:50:04 +0000152static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
153 unsigned int *p)
154{
155 unsigned int x;
156 spin_lock(&gt->gt_spin);
157 x = *p;
158 spin_unlock(&gt->gt_spin);
159 return x;
160}
161
162#define gfs2_tune_get(sdp, field) \
163gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
164
165void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap,
166 unsigned int bit, int new_value);
167
168#endif /* __UTIL_DOT_H__ */
169