Commit | Line | Data |
---|---|---|
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 | ||
d77d1b58 JP |
13 | #ifdef pr_fmt |
14 | #undef pr_fmt | |
15 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
16 | #endif | |
17 | ||
75ca61c1 SW |
18 | #include <linux/mempool.h> |
19 | ||
f2f7ba52 | 20 | #include "incore.h" |
b3b94faa | 21 | |
8382e26b JP |
22 | #define fs_emerg(fs, fmt, ...) \ |
23 | pr_emerg("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__) | |
d77d1b58 JP |
24 | #define fs_warn(fs, fmt, ...) \ |
25 | pr_warn("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__) | |
26 | #define fs_err(fs, fmt, ...) \ | |
27 | pr_err("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__) | |
28 | #define fs_info(fs, fmt, ...) \ | |
29 | pr_info("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__) | |
b3b94faa DT |
30 | |
31 | void gfs2_assert_i(struct gfs2_sbd *sdp); | |
32 | ||
33 | #define gfs2_assert(sdp, assertion) \ | |
34 | do { \ | |
35 | if (unlikely(!(assertion))) { \ | |
36 | gfs2_assert_i(sdp); \ | |
1e09ae54 | 37 | BUG(); \ |
b3b94faa DT |
38 | } \ |
39 | } while (0) | |
40 | ||
41 | ||
42 | int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion, | |
43 | const char *function, char *file, unsigned int line); | |
44 | ||
45 | #define gfs2_assert_withdraw(sdp, assertion) \ | |
46 | ((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \ | |
8e24eea7 | 47 | __func__, __FILE__, __LINE__)) |
b3b94faa DT |
48 | |
49 | ||
50 | int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion, | |
51 | const char *function, char *file, unsigned int line); | |
52 | ||
53 | #define gfs2_assert_warn(sdp, assertion) \ | |
54 | ((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \ | |
8e24eea7 | 55 | __func__, __FILE__, __LINE__)) |
b3b94faa DT |
56 | |
57 | ||
58 | int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, | |
59 | const char *function, char *file, unsigned int line); | |
60 | ||
61 | #define gfs2_consist(sdp) \ | |
8e24eea7 | 62 | gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
63 | |
64 | ||
65 | int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide, | |
66 | const char *function, char *file, unsigned int line); | |
67 | ||
68 | #define gfs2_consist_inode(ip) \ | |
8e24eea7 | 69 | gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
70 | |
71 | ||
72 | int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide, | |
73 | const char *function, char *file, unsigned int line); | |
74 | ||
75 | #define gfs2_consist_rgrpd(rgd) \ | |
8e24eea7 | 76 | gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__) |
b3b94faa DT |
77 | |
78 | ||
79 | int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
80 | const char *type, const char *function, | |
81 | char *file, unsigned int line); | |
82 | ||
1b8ba31a SW |
83 | static inline int gfs2_meta_check(struct gfs2_sbd *sdp, |
84 | struct buffer_head *bh) | |
b3b94faa DT |
85 | { |
86 | struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; | |
b44b84d7 | 87 | u32 magic = be32_to_cpu(mh->mh_magic); |
1b8ba31a | 88 | if (unlikely(magic != GFS2_MAGIC)) { |
d77d1b58 | 89 | pr_err("Magic number missing at %llu\n", |
1b8ba31a SW |
90 | (unsigned long long)bh->b_blocknr); |
91 | return -EIO; | |
92 | } | |
b3b94faa DT |
93 | return 0; |
94 | } | |
95 | ||
b3b94faa | 96 | int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, |
cd915493 | 97 | u16 type, u16 t, |
b3b94faa DT |
98 | const char *function, |
99 | char *file, unsigned int line); | |
100 | ||
101 | static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp, | |
102 | struct buffer_head *bh, | |
cd915493 | 103 | u16 type, |
b3b94faa DT |
104 | const char *function, |
105 | char *file, unsigned int line) | |
106 | { | |
107 | struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; | |
b44b84d7 | 108 | u32 magic = be32_to_cpu(mh->mh_magic); |
cd915493 | 109 | u16 t = be32_to_cpu(mh->mh_type); |
b3b94faa DT |
110 | if (unlikely(magic != GFS2_MAGIC)) |
111 | return gfs2_meta_check_ii(sdp, bh, "magic number", function, | |
112 | file, line); | |
b3b94faa DT |
113 | if (unlikely(t != type)) |
114 | return gfs2_metatype_check_ii(sdp, bh, type, t, function, | |
115 | file, line); | |
116 | return 0; | |
117 | } | |
118 | ||
119 | #define gfs2_metatype_check(sdp, bh, type) \ | |
8e24eea7 | 120 | gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__) |
b3b94faa | 121 | |
cd915493 SW |
122 | static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type, |
123 | u16 format) | |
b3b94faa DT |
124 | { |
125 | struct gfs2_meta_header *mh; | |
126 | mh = (struct gfs2_meta_header *)bh->b_data; | |
e3167ded SW |
127 | mh->mh_type = cpu_to_be32(type); |
128 | mh->mh_format = cpu_to_be32(format); | |
b3b94faa DT |
129 | } |
130 | ||
131 | ||
132 | int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, | |
133 | char *file, unsigned int line); | |
134 | ||
135 | #define gfs2_io_error(sdp) \ | |
8e24eea7 | 136 | gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__); |
b3b94faa DT |
137 | |
138 | ||
139 | int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh, | |
140 | const char *function, char *file, unsigned int line); | |
141 | ||
142 | #define gfs2_io_error_bh(sdp, bh) \ | |
8e24eea7 | 143 | gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__); |
b3b94faa DT |
144 | |
145 | ||
e18b890b | 146 | extern struct kmem_cache *gfs2_glock_cachep; |
009d8518 | 147 | extern struct kmem_cache *gfs2_glock_aspace_cachep; |
e18b890b CL |
148 | extern struct kmem_cache *gfs2_inode_cachep; |
149 | extern struct kmem_cache *gfs2_bufdata_cachep; | |
6bdd9be6 | 150 | extern struct kmem_cache *gfs2_rgrpd_cachep; |
37b2c837 | 151 | extern struct kmem_cache *gfs2_quotad_cachep; |
36f5580b | 152 | extern struct kmem_cache *gfs2_rsrv_cachep; |
e8c92ed7 | 153 | extern mempool_t *gfs2_page_pool; |
b3b94faa | 154 | |
b3b94faa DT |
155 | static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, |
156 | unsigned int *p) | |
157 | { | |
158 | unsigned int x; | |
159 | spin_lock(>->gt_spin); | |
160 | x = *p; | |
161 | spin_unlock(>->gt_spin); | |
162 | return x; | |
163 | } | |
164 | ||
165 | #define gfs2_tune_get(sdp, field) \ | |
166 | gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field) | |
167 | ||
cb94eb06 JP |
168 | __printf(2, 3) |
169 | int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...); | |
b3b94faa DT |
170 | |
171 | #endif /* __UTIL_DOT_H__ */ |