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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 | ||
75ca61c1 SW |
13 | #include <linux/mempool.h> |
14 | ||
f2f7ba52 | 15 | #include "incore.h" |
b3b94faa DT |
16 | |
17 | #define fs_printk(level, fs, fmt, arg...) \ | |
18 | printk(level "GFS2: fsid=%s: " fmt , (fs)->sd_fsname , ## arg) | |
19 | ||
20 | #define fs_info(fs, fmt, arg...) \ | |
21 | fs_printk(KERN_INFO , fs , fmt , ## arg) | |
22 | ||
23 | #define fs_warn(fs, fmt, arg...) \ | |
24 | fs_printk(KERN_WARNING , fs , fmt , ## arg) | |
25 | ||
26 | #define fs_err(fs, fmt, arg...) \ | |
27 | fs_printk(KERN_ERR, fs , fmt , ## arg) | |
28 | ||
29 | ||
30 | void gfs2_assert_i(struct gfs2_sbd *sdp); | |
31 | ||
32 | #define gfs2_assert(sdp, assertion) \ | |
33 | do { \ | |
34 | if (unlikely(!(assertion))) { \ | |
35 | gfs2_assert_i(sdp); \ | |
1e09ae54 | 36 | BUG(); \ |
b3b94faa DT |
37 | } \ |
38 | } while (0) | |
39 | ||
40 | ||
41 | int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion, | |
42 | const char *function, char *file, unsigned int line); | |
43 | ||
44 | #define gfs2_assert_withdraw(sdp, assertion) \ | |
45 | ((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \ | |
8e24eea7 | 46 | __func__, __FILE__, __LINE__)) |
b3b94faa DT |
47 | |
48 | ||
49 | int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion, | |
50 | const char *function, char *file, unsigned int line); | |
51 | ||
52 | #define gfs2_assert_warn(sdp, assertion) \ | |
53 | ((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \ | |
8e24eea7 | 54 | __func__, __FILE__, __LINE__)) |
b3b94faa DT |
55 | |
56 | ||
57 | int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, | |
58 | const char *function, char *file, unsigned int line); | |
59 | ||
60 | #define gfs2_consist(sdp) \ | |
8e24eea7 | 61 | gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
62 | |
63 | ||
64 | int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide, | |
65 | const char *function, char *file, unsigned int line); | |
66 | ||
67 | #define gfs2_consist_inode(ip) \ | |
8e24eea7 | 68 | gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
69 | |
70 | ||
71 | int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide, | |
72 | const char *function, char *file, unsigned int line); | |
73 | ||
74 | #define gfs2_consist_rgrpd(rgd) \ | |
8e24eea7 | 75 | gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
76 | |
77 | ||
78 | int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
79 | const char *type, const char *function, | |
80 | char *file, unsigned int line); | |
81 | ||
82 | static inline int gfs2_meta_check_i(struct gfs2_sbd *sdp, | |
83 | struct buffer_head *bh, | |
84 | const char *function, | |
85 | char *file, unsigned int line) | |
86 | { | |
87 | struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; | |
b44b84d7 | 88 | u32 magic = be32_to_cpu(mh->mh_magic); |
b3b94faa DT |
89 | if (unlikely(magic != GFS2_MAGIC)) |
90 | return gfs2_meta_check_ii(sdp, bh, "magic number", function, | |
91 | file, line); | |
92 | return 0; | |
93 | } | |
94 | ||
95 | #define gfs2_meta_check(sdp, bh) \ | |
8e24eea7 | 96 | gfs2_meta_check_i((sdp), (bh), __func__, __FILE__, __LINE__) |
b3b94faa DT |
97 | |
98 | ||
99 | int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
cd915493 | 100 | u16 type, u16 t, |
b3b94faa DT |
101 | const char *function, |
102 | char *file, unsigned int line); | |
103 | ||
104 | static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp, | |
105 | struct buffer_head *bh, | |
cd915493 | 106 | u16 type, |
b3b94faa DT |
107 | const char *function, |
108 | char *file, unsigned int line) | |
109 | { | |
110 | struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; | |
b44b84d7 | 111 | u32 magic = be32_to_cpu(mh->mh_magic); |
cd915493 | 112 | u16 t = be32_to_cpu(mh->mh_type); |
b3b94faa DT |
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) \ | |
8e24eea7 | 123 | gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__) |
b3b94faa | 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) \ | |
8e24eea7 | 139 | gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__); |
b3b94faa DT |
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) \ | |
8e24eea7 | 146 | gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__); |
b3b94faa DT |
147 | |
148 | ||
e18b890b | 149 | extern struct kmem_cache *gfs2_glock_cachep; |
009d8518 | 150 | extern struct kmem_cache *gfs2_glock_aspace_cachep; |
e18b890b CL |
151 | extern struct kmem_cache *gfs2_inode_cachep; |
152 | extern struct kmem_cache *gfs2_bufdata_cachep; | |
6bdd9be6 | 153 | extern struct kmem_cache *gfs2_rgrpd_cachep; |
37b2c837 | 154 | extern struct kmem_cache *gfs2_quotad_cachep; |
75ca61c1 | 155 | extern mempool_t *gfs2_bh_pool; |
b3b94faa | 156 | |
b3b94faa DT |
157 | static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, |
158 | unsigned int *p) | |
159 | { | |
160 | unsigned int x; | |
161 | spin_lock(>->gt_spin); | |
162 | x = *p; | |
163 | spin_unlock(>->gt_spin); | |
164 | return x; | |
165 | } | |
166 | ||
167 | #define gfs2_tune_get(sdp, field) \ | |
168 | gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field) | |
169 | ||
170 | void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap, | |
171 | unsigned int bit, int new_value); | |
da755fdb | 172 | int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...); |
b3b94faa DT |
173 | |
174 | #endif /* __UTIL_DOT_H__ */ | |
175 |