Commit | Line | Data |
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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
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 | |
e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
b3b94faa DT |
8 | */ |
9 | ||
10 | #ifndef __UTIL_DOT_H__ | |
11 | #define __UTIL_DOT_H__ | |
12 | ||
f2f7ba52 | 13 | #include "incore.h" |
b3b94faa DT |
14 | |
15 | #define fs_printk(level, fs, fmt, arg...) \ | |
16 | printk(level "GFS2: fsid=%s: " fmt , (fs)->sd_fsname , ## arg) | |
17 | ||
18 | #define fs_info(fs, fmt, arg...) \ | |
19 | fs_printk(KERN_INFO , fs , fmt , ## arg) | |
20 | ||
21 | #define fs_warn(fs, fmt, arg...) \ | |
22 | fs_printk(KERN_WARNING , fs , fmt , ## arg) | |
23 | ||
24 | #define fs_err(fs, fmt, arg...) \ | |
25 | fs_printk(KERN_ERR, fs , fmt , ## arg) | |
26 | ||
27 | ||
28 | void gfs2_assert_i(struct gfs2_sbd *sdp); | |
29 | ||
30 | #define gfs2_assert(sdp, assertion) \ | |
31 | do { \ | |
32 | if (unlikely(!(assertion))) { \ | |
33 | gfs2_assert_i(sdp); \ | |
1e09ae54 | 34 | BUG(); \ |
b3b94faa DT |
35 | } \ |
36 | } while (0) | |
37 | ||
38 | ||
39 | int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion, | |
40 | const char *function, char *file, unsigned int line); | |
41 | ||
42 | #define gfs2_assert_withdraw(sdp, assertion) \ | |
43 | ((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \ | |
44 | __FUNCTION__, __FILE__, __LINE__)) | |
45 | ||
46 | ||
47 | int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion, | |
48 | const char *function, char *file, unsigned int line); | |
49 | ||
50 | #define gfs2_assert_warn(sdp, assertion) \ | |
51 | ((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \ | |
52 | __FUNCTION__, __FILE__, __LINE__)) | |
53 | ||
54 | ||
55 | int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, | |
56 | const char *function, char *file, unsigned int line); | |
57 | ||
58 | #define gfs2_consist(sdp) \ | |
59 | gfs2_consist_i((sdp), 0, __FUNCTION__, __FILE__, __LINE__) | |
60 | ||
61 | ||
62 | int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide, | |
63 | const char *function, char *file, unsigned int line); | |
64 | ||
65 | #define gfs2_consist_inode(ip) \ | |
66 | gfs2_consist_inode_i((ip), 0, __FUNCTION__, __FILE__, __LINE__) | |
67 | ||
68 | ||
69 | int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide, | |
70 | const char *function, char *file, unsigned int line); | |
71 | ||
72 | #define gfs2_consist_rgrpd(rgd) \ | |
73 | gfs2_consist_rgrpd_i((rgd), 0, __FUNCTION__, __FILE__, __LINE__) | |
74 | ||
75 | ||
76 | int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
77 | const char *type, const char *function, | |
78 | char *file, unsigned int line); | |
79 | ||
80 | static inline int gfs2_meta_check_i(struct gfs2_sbd *sdp, | |
81 | struct buffer_head *bh, | |
82 | const char *function, | |
83 | char *file, unsigned int line) | |
84 | { | |
85 | struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; | |
cd915493 | 86 | u32 magic = mh->mh_magic; |
b3b94faa DT |
87 | magic = be32_to_cpu(magic); |
88 | if (unlikely(magic != GFS2_MAGIC)) | |
89 | return gfs2_meta_check_ii(sdp, bh, "magic number", function, | |
90 | file, line); | |
91 | return 0; | |
92 | } | |
93 | ||
94 | #define gfs2_meta_check(sdp, bh) \ | |
95 | gfs2_meta_check_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__) | |
96 | ||
97 | ||
98 | int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
cd915493 | 99 | u16 type, u16 t, |
b3b94faa DT |
100 | const char *function, |
101 | char *file, unsigned int line); | |
102 | ||
103 | static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp, | |
104 | struct buffer_head *bh, | |
cd915493 | 105 | u16 type, |
b3b94faa DT |
106 | const char *function, |
107 | char *file, unsigned int line) | |
108 | { | |
109 | struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; | |
cd915493 SW |
110 | u32 magic = mh->mh_magic; |
111 | u16 t = be32_to_cpu(mh->mh_type); | |
b3b94faa DT |
112 | magic = be32_to_cpu(magic); |
113 | if (unlikely(magic != GFS2_MAGIC)) | |
114 | return gfs2_meta_check_ii(sdp, bh, "magic number", function, | |
115 | file, line); | |
b3b94faa DT |
116 | if (unlikely(t != type)) |
117 | return gfs2_metatype_check_ii(sdp, bh, type, t, function, | |
118 | file, line); | |
119 | return 0; | |
120 | } | |
121 | ||
122 | #define gfs2_metatype_check(sdp, bh, type) \ | |
123 | gfs2_metatype_check_i((sdp), (bh), (type), __FUNCTION__, __FILE__, __LINE__) | |
124 | ||
cd915493 SW |
125 | static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type, |
126 | u16 format) | |
b3b94faa DT |
127 | { |
128 | struct gfs2_meta_header *mh; | |
129 | mh = (struct gfs2_meta_header *)bh->b_data; | |
e3167ded SW |
130 | mh->mh_type = cpu_to_be32(type); |
131 | mh->mh_format = cpu_to_be32(format); | |
b3b94faa DT |
132 | } |
133 | ||
134 | ||
135 | int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, | |
136 | char *file, unsigned int line); | |
137 | ||
138 | #define gfs2_io_error(sdp) \ | |
139 | gfs2_io_error_i((sdp), __FUNCTION__, __FILE__, __LINE__); | |
140 | ||
141 | ||
142 | int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
143 | const char *function, char *file, unsigned int line); | |
144 | ||
145 | #define gfs2_io_error_bh(sdp, bh) \ | |
146 | gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__); | |
147 | ||
148 | ||
149 | extern kmem_cache_t *gfs2_glock_cachep; | |
150 | extern kmem_cache_t *gfs2_inode_cachep; | |
151 | extern kmem_cache_t *gfs2_bufdata_cachep; | |
152 | ||
b3b94faa DT |
153 | static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, |
154 | unsigned int *p) | |
155 | { | |
156 | unsigned int x; | |
157 | spin_lock(>->gt_spin); | |
158 | x = *p; | |
159 | spin_unlock(>->gt_spin); | |
160 | return x; | |
161 | } | |
162 | ||
163 | #define gfs2_tune_get(sdp, field) \ | |
164 | gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field) | |
165 | ||
166 | void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap, | |
167 | unsigned int bit, int new_value); | |
168 | ||
169 | #endif /* __UTIL_DOT_H__ */ | |
170 |