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1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
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 version 2. |
8 | */ |
9 | |
10 | #ifndef __UTIL_DOT_H__ |
11 | #define __UTIL_DOT_H__ |
12 | |
13 | #include "incore.h" |
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); \ |
34 | BUG(); \ |
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 | __func__, __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 | __func__, __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, __func__, __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, __func__, __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, __func__, __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; |
86 | u32 magic = be32_to_cpu(mh->mh_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), __func__, __FILE__, __LINE__) |
95 | |
96 | |
97 | int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, |
98 | u16 type, u16 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 | u16 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 | u32 magic = be32_to_cpu(mh->mh_magic); |
110 | u16 t = be32_to_cpu(mh->mh_type); |
111 | if (unlikely(magic != GFS2_MAGIC)) |
112 | return gfs2_meta_check_ii(sdp, bh, "magic number", function, |
113 | file, line); |
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) \ |
121 | gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__) |
122 | |
123 | static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type, |
124 | u16 format) |
125 | { |
126 | struct gfs2_meta_header *mh; |
127 | mh = (struct gfs2_meta_header *)bh->b_data; |
128 | mh->mh_type = cpu_to_be32(type); |
129 | mh->mh_format = cpu_to_be32(format); |
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) \ |
137 | gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__); |
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) \ |
144 | gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__); |
145 | |
146 | |
147 | extern struct kmem_cache *gfs2_glock_cachep; |
148 | extern struct kmem_cache *gfs2_glock_aspace_cachep; |
149 | extern struct kmem_cache *gfs2_inode_cachep; |
150 | extern struct kmem_cache *gfs2_bufdata_cachep; |
151 | extern struct kmem_cache *gfs2_rgrpd_cachep; |
152 | extern struct kmem_cache *gfs2_quotad_cachep; |
153 | |
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); |
169 | int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...); |
170 | |
171 | #endif /* __UTIL_DOT_H__ */ |
172 | |
173 |
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od-2011-09-04
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