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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, \ | |
8e24eea7 | 44 | __func__, __FILE__, __LINE__)) |
b3b94faa DT |
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, \ | |
8e24eea7 | 52 | __func__, __FILE__, __LINE__)) |
b3b94faa DT |
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) \ | |
8e24eea7 | 59 | gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
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) \ | |
8e24eea7 | 66 | gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
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) \ | |
8e24eea7 | 73 | gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
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; | |
b44b84d7 | 86 | u32 magic = be32_to_cpu(mh->mh_magic); |
b3b94faa DT |
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) \ | |
8e24eea7 | 94 | gfs2_meta_check_i((sdp), (bh), __func__, __FILE__, __LINE__) |
b3b94faa DT |
95 | |
96 | ||
97 | int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
cd915493 | 98 | u16 type, u16 t, |
b3b94faa DT |
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, | |
cd915493 | 104 | u16 type, |
b3b94faa DT |
105 | const char *function, |
106 | char *file, unsigned int line) | |
107 | { | |
108 | struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; | |
b44b84d7 | 109 | u32 magic = be32_to_cpu(mh->mh_magic); |
cd915493 | 110 | u16 t = be32_to_cpu(mh->mh_type); |
b3b94faa DT |
111 | if (unlikely(magic != GFS2_MAGIC)) |
112 | return gfs2_meta_check_ii(sdp, bh, "magic number", function, | |
113 | file, line); | |
b3b94faa DT |
114 | if (unlikely(t != type)) |
115 | return gfs2_metatype_check_ii(sdp, bh, type, t, function, | |
116 | file, line); | |
117 | return 0; | |
118 | } | |
119 | ||
120 | #define gfs2_metatype_check(sdp, bh, type) \ | |
8e24eea7 | 121 | gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__) |
b3b94faa | 122 | |
cd915493 SW |
123 | static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type, |
124 | u16 format) | |
b3b94faa DT |
125 | { |
126 | struct gfs2_meta_header *mh; | |
127 | mh = (struct gfs2_meta_header *)bh->b_data; | |
e3167ded SW |
128 | mh->mh_type = cpu_to_be32(type); |
129 | mh->mh_format = cpu_to_be32(format); | |
b3b94faa DT |
130 | } |
131 | ||
132 | ||
133 | int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, | |
134 | char *file, unsigned int line); | |
135 | ||
136 | #define gfs2_io_error(sdp) \ | |
8e24eea7 | 137 | gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__); |
b3b94faa DT |
138 | |
139 | ||
140 | int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
141 | const char *function, char *file, unsigned int line); | |
142 | ||
143 | #define gfs2_io_error_bh(sdp, bh) \ | |
8e24eea7 | 144 | gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__); |
b3b94faa DT |
145 | |
146 | ||
e18b890b | 147 | extern struct kmem_cache *gfs2_glock_cachep; |
009d8518 | 148 | extern struct kmem_cache *gfs2_glock_aspace_cachep; |
e18b890b CL |
149 | extern struct kmem_cache *gfs2_inode_cachep; |
150 | extern struct kmem_cache *gfs2_bufdata_cachep; | |
6bdd9be6 | 151 | extern struct kmem_cache *gfs2_rgrpd_cachep; |
37b2c837 | 152 | extern struct kmem_cache *gfs2_quotad_cachep; |
b3b94faa | 153 | |
b3b94faa DT |
154 | static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, |
155 | unsigned int *p) | |
156 | { | |
157 | unsigned int x; | |
158 | spin_lock(>->gt_spin); | |
159 | x = *p; | |
160 | spin_unlock(>->gt_spin); | |
161 | return x; | |
162 | } | |
163 | ||
164 | #define gfs2_tune_get(sdp, field) \ | |
165 | gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field) | |
166 | ||
167 | void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap, | |
168 | unsigned int bit, int new_value); | |
da755fdb | 169 | int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...); |
b3b94faa DT |
170 | |
171 | #endif /* __UTIL_DOT_H__ */ | |
172 |