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10#ifndef __UTIL_DOT_H__
11#define __UTIL_DOT_H__
12
13#ifdef pr_fmt
14#undef pr_fmt
15#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
16#endif
17
18#include <linux/mempool.h>
19
20#include "incore.h"
21
22#define fs_emerg(fs, fmt, ...) \
23 pr_emerg("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
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__)
30
31void gfs2_assert_i(struct gfs2_sbd *sdp);
32
33#define gfs2_assert(sdp, assertion) \
34do { \
35 if (unlikely(!(assertion))) { \
36 gfs2_assert_i(sdp); \
37 BUG(); \
38 } \
39} while (0)
40
41
42int 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, \
47 __func__, __FILE__, __LINE__))
48
49
50int 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, \
55 __func__, __FILE__, __LINE__))
56
57
58int 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) \
62gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__)
63
64
65int 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) \
69gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__)
70
71
72int 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) \
76gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__)
77
78
79int 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
83static inline int gfs2_meta_check(struct gfs2_sbd *sdp,
84 struct buffer_head *bh)
85{
86 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
87 u32 magic = be32_to_cpu(mh->mh_magic);
88 if (unlikely(magic != GFS2_MAGIC)) {
89 pr_err("Magic number missing at %llu\n",
90 (unsigned long long)bh->b_blocknr);
91 return -EIO;
92 }
93 return 0;
94}
95
96int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
97 u16 type, u16 t,
98 const char *function,
99 char *file, unsigned int line);
100
101static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp,
102 struct buffer_head *bh,
103 u16 type,
104 const char *function,
105 char *file, unsigned int line)
106{
107 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
108 u32 magic = be32_to_cpu(mh->mh_magic);
109 u16 t = be32_to_cpu(mh->mh_type);
110 if (unlikely(magic != GFS2_MAGIC))
111 return gfs2_meta_check_ii(sdp, bh, "magic number", function,
112 file, line);
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) \
120gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__)
121
122static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type,
123 u16 format)
124{
125 struct gfs2_meta_header *mh;
126 mh = (struct gfs2_meta_header *)bh->b_data;
127 mh->mh_type = cpu_to_be32(type);
128 mh->mh_format = cpu_to_be32(format);
129}
130
131
132int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
133 char *file, unsigned int line);
134
135#define gfs2_io_error(sdp) \
136gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__);
137
138
139int 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) \
143gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__);
144
145
146extern struct kmem_cache *gfs2_glock_cachep;
147extern struct kmem_cache *gfs2_glock_aspace_cachep;
148extern struct kmem_cache *gfs2_inode_cachep;
149extern struct kmem_cache *gfs2_bufdata_cachep;
150extern struct kmem_cache *gfs2_rgrpd_cachep;
151extern struct kmem_cache *gfs2_quotad_cachep;
152extern struct kmem_cache *gfs2_qadata_cachep;
153extern mempool_t *gfs2_page_pool;
154extern struct workqueue_struct *gfs2_control_wq;
155
156static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
157 unsigned int *p)
158{
159 unsigned int x;
160 spin_lock(>->gt_spin);
161 x = *p;
162 spin_unlock(>->gt_spin);
163 return x;
164}
165
166#define gfs2_tune_get(sdp, field) \
167gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
168
169__printf(2, 3)
170int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...);
171
172#endif
173
