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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 | |
7 | * of the GNU General Public License v.2. | |
8 | */ | |
9 | ||
10 | #ifndef __UTIL_DOT_H__ | |
11 | #define __UTIL_DOT_H__ | |
12 | ||
b3b94faa DT |
13 | |
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 | ||
27 | void gfs2_assert_i(struct gfs2_sbd *sdp); | |
28 | ||
29 | #define gfs2_assert(sdp, assertion) \ | |
30 | do { \ | |
31 | if (unlikely(!(assertion))) { \ | |
32 | gfs2_assert_i(sdp); \ | |
1e09ae54 | 33 | BUG(); \ |
b3b94faa DT |
34 | } \ |
35 | } while (0) | |
36 | ||
37 | ||
38 | int 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 | ||
46 | int 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 | ||
54 | int 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) \ | |
58 | gfs2_consist_i((sdp), 0, __FUNCTION__, __FILE__, __LINE__) | |
59 | ||
60 | ||
61 | int 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) \ | |
65 | gfs2_consist_inode_i((ip), 0, __FUNCTION__, __FILE__, __LINE__) | |
66 | ||
67 | ||
68 | int 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) \ | |
72 | gfs2_consist_rgrpd_i((rgd), 0, __FUNCTION__, __FILE__, __LINE__) | |
73 | ||
74 | ||
75 | int 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 | ||
79 | static 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) \ | |
94 | gfs2_meta_check_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__) | |
95 | ||
96 | ||
97 | int 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 | ||
102 | static 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; | |
e3167ded | 110 | uint16_t t = be32_to_cpu(mh->mh_type); |
b3b94faa DT |
111 | 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); | |
b3b94faa DT |
115 | 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) \ | |
122 | gfs2_metatype_check_i((sdp), (bh), (type), __FUNCTION__, __FILE__, __LINE__) | |
123 | ||
124 | static 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; | |
e3167ded SW |
129 | mh->mh_type = cpu_to_be32(type); |
130 | mh->mh_format = cpu_to_be32(format); | |
b3b94faa DT |
131 | } |
132 | ||
133 | ||
134 | int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, | |
135 | char *file, unsigned int line); | |
136 | ||
137 | #define gfs2_io_error(sdp) \ | |
138 | gfs2_io_error_i((sdp), __FUNCTION__, __FILE__, __LINE__); | |
139 | ||
140 | ||
141 | int 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) \ | |
145 | gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__); | |
146 | ||
147 | ||
148 | extern kmem_cache_t *gfs2_glock_cachep; | |
149 | extern kmem_cache_t *gfs2_inode_cachep; | |
150 | extern kmem_cache_t *gfs2_bufdata_cachep; | |
151 | ||
b3b94faa DT |
152 | static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, |
153 | unsigned int *p) | |
154 | { | |
155 | unsigned int x; | |
156 | spin_lock(>->gt_spin); | |
157 | x = *p; | |
158 | spin_unlock(>->gt_spin); | |
159 | return x; | |
160 | } | |
161 | ||
162 | #define gfs2_tune_get(sdp, field) \ | |
163 | gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field) | |
164 | ||
165 | void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap, | |
166 | unsigned int bit, int new_value); | |
167 | ||
168 | #endif /* __UTIL_DOT_H__ */ | |
169 |