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 <linux/mempool.h>
14
15 #include "incore.h"
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); \
36 BUG(); \
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, \
46 __func__, __FILE__, __LINE__))
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, \
54 __func__, __FILE__, __LINE__))
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) \
61 gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__)
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) \
68 gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__)
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) \
75 gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__)
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
gfs2_meta_check_i(struct gfs2_sbd * sdp,struct buffer_head * bh,const char * function,char * file,unsigned int line)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;
88 u32 magic = be32_to_cpu(mh->mh_magic);
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) \
96 gfs2_meta_check_i((sdp), (bh), __func__, __FILE__, __LINE__)
97
98
99 int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
100 u16 type, u16 t,
101 const char *function,
102 char *file, unsigned int line);
103
gfs2_metatype_check_i(struct gfs2_sbd * sdp,struct buffer_head * bh,u16 type,const char * function,char * file,unsigned int line)104 static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp,
105 struct buffer_head *bh,
106 u16 type,
107 const char *function,
108 char *file, unsigned int line)
109 {
110 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
111 u32 magic = be32_to_cpu(mh->mh_magic);
112 u16 t = be32_to_cpu(mh->mh_type);
113 if (unlikely(magic != GFS2_MAGIC))
114 return gfs2_meta_check_ii(sdp, bh, "magic number", function,
115 file, line);
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) \
123 gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__)
124
gfs2_metatype_set(struct buffer_head * bh,u16 type,u16 format)125 static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type,
126 u16 format)
127 {
128 struct gfs2_meta_header *mh;
129 mh = (struct gfs2_meta_header *)bh->b_data;
130 mh->mh_type = cpu_to_be32(type);
131 mh->mh_format = cpu_to_be32(format);
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) \
139 gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__);
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) \
146 gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__);
147
148
149 extern struct kmem_cache *gfs2_glock_cachep;
150 extern struct kmem_cache *gfs2_glock_aspace_cachep;
151 extern struct kmem_cache *gfs2_inode_cachep;
152 extern struct kmem_cache *gfs2_bufdata_cachep;
153 extern struct kmem_cache *gfs2_rgrpd_cachep;
154 extern struct kmem_cache *gfs2_quotad_cachep;
155 extern mempool_t *gfs2_bh_pool;
156
gfs2_tune_get_i(struct gfs2_tune * gt,unsigned int * p)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);
172 int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...);
173
174 #endif /* __UTIL_DOT_H__ */
175
176