1
2
3
4
5
6
7#ifndef __UTIL_DOT_H__
8#define __UTIL_DOT_H__
9
10#ifdef pr_fmt
11#undef pr_fmt
12#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
13#endif
14
15#include <linux/mempool.h>
16
17#include "incore.h"
18
19#define fs_emerg(fs, fmt, ...) \
20 pr_emerg("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
21#define fs_warn(fs, fmt, ...) \
22 pr_warn("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
23#define fs_err(fs, fmt, ...) \
24 pr_err("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
25#define fs_info(fs, fmt, ...) \
26 pr_info("fsid=%s: " fmt, (fs)->sd_fsname, ##__VA_ARGS__)
27
28void gfs2_assert_i(struct gfs2_sbd *sdp);
29
30#define gfs2_assert(sdp, assertion) \
31do { \
32 if (unlikely(!(assertion))) { \
33 gfs2_assert_i(sdp); \
34 BUG(); \
35 } \
36} while (0)
37
38
39void gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion,
40 const char *function, char *file, unsigned int line,
41 bool delayed);
42
43#define gfs2_assert_withdraw(sdp, assertion) \
44 ({ \
45 bool _bool = (assertion); \
46 if (unlikely(!_bool)) \
47 gfs2_assert_withdraw_i((sdp), #assertion, \
48 __func__, __FILE__, __LINE__, false); \
49 !_bool; \
50 })
51
52#define gfs2_assert_withdraw_delayed(sdp, assertion) \
53 ({ \
54 bool _bool = (assertion); \
55 if (unlikely(!_bool)) \
56 gfs2_assert_withdraw_i((sdp), #assertion, \
57 __func__, __FILE__, __LINE__, true); \
58 !_bool; \
59 })
60
61void gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion,
62 const char *function, char *file, unsigned int line);
63
64#define gfs2_assert_warn(sdp, assertion) \
65 ({ \
66 bool _bool = (assertion); \
67 if (unlikely(!_bool)) \
68 gfs2_assert_warn_i((sdp), #assertion, \
69 __func__, __FILE__, __LINE__); \
70 !_bool; \
71 })
72
73void gfs2_consist_i(struct gfs2_sbd *sdp,
74 const char *function, char *file, unsigned int line);
75
76#define gfs2_consist(sdp) \
77gfs2_consist_i((sdp), __func__, __FILE__, __LINE__)
78
79
80void gfs2_consist_inode_i(struct gfs2_inode *ip,
81 const char *function, char *file, unsigned int line);
82
83#define gfs2_consist_inode(ip) \
84gfs2_consist_inode_i((ip), __func__, __FILE__, __LINE__)
85
86
87void gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd,
88 const char *function, char *file, unsigned int line);
89
90#define gfs2_consist_rgrpd(rgd) \
91gfs2_consist_rgrpd_i((rgd), __func__, __FILE__, __LINE__)
92
93
94int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
95 const char *type, const char *function,
96 char *file, unsigned int line);
97
98static inline int gfs2_meta_check(struct gfs2_sbd *sdp,
99 struct buffer_head *bh)
100{
101 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
102 u32 magic = be32_to_cpu(mh->mh_magic);
103 if (unlikely(magic != GFS2_MAGIC)) {
104 fs_err(sdp, "Magic number missing at %llu\n",
105 (unsigned long long)bh->b_blocknr);
106 return -EIO;
107 }
108 return 0;
109}
110
111int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
112 u16 type, u16 t,
113 const char *function,
114 char *file, unsigned int line);
115
116static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp,
117 struct buffer_head *bh,
118 u16 type,
119 const char *function,
120 char *file, unsigned int line)
121{
122 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
123 u32 magic = be32_to_cpu(mh->mh_magic);
124 u16 t = be32_to_cpu(mh->mh_type);
125 if (unlikely(magic != GFS2_MAGIC))
126 return gfs2_meta_check_ii(sdp, bh, "magic number", function,
127 file, line);
128 if (unlikely(t != type))
129 return gfs2_metatype_check_ii(sdp, bh, type, t, function,
130 file, line);
131 return 0;
132}
133
134#define gfs2_metatype_check(sdp, bh, type) \
135gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__)
136
137static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type,
138 u16 format)
139{
140 struct gfs2_meta_header *mh;
141 mh = (struct gfs2_meta_header *)bh->b_data;
142 mh->mh_type = cpu_to_be32(type);
143 mh->mh_format = cpu_to_be32(format);
144}
145
146
147int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
148 char *file, unsigned int line);
149
150extern int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd,
151 bool verbose);
152
153#define gfs2_io_error(sdp) \
154gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__);
155
156
157void gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh,
158 const char *function, char *file, unsigned int line,
159 bool withdraw);
160
161#define gfs2_io_error_bh_wd(sdp, bh) \
162gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, true);
163
164#define gfs2_io_error_bh(sdp, bh) \
165gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, false);
166
167
168extern struct kmem_cache *gfs2_glock_cachep;
169extern struct kmem_cache *gfs2_glock_aspace_cachep;
170extern struct kmem_cache *gfs2_inode_cachep;
171extern struct kmem_cache *gfs2_bufdata_cachep;
172extern struct kmem_cache *gfs2_rgrpd_cachep;
173extern struct kmem_cache *gfs2_quotad_cachep;
174extern struct kmem_cache *gfs2_qadata_cachep;
175extern struct kmem_cache *gfs2_trans_cachep;
176extern mempool_t *gfs2_page_pool;
177extern struct workqueue_struct *gfs2_control_wq;
178
179static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
180 unsigned int *p)
181{
182 unsigned int x;
183 spin_lock(>->gt_spin);
184 x = *p;
185 spin_unlock(>->gt_spin);
186 return x;
187}
188
189
190
191
192
193static inline void gfs2_withdraw_delayed(struct gfs2_sbd *sdp)
194{
195 set_bit(SDF_WITHDRAWING, &sdp->sd_flags);
196}
197
198
199
200
201
202static inline bool gfs2_withdrawn(struct gfs2_sbd *sdp)
203{
204 return test_bit(SDF_WITHDRAWN, &sdp->sd_flags) ||
205 test_bit(SDF_WITHDRAWING, &sdp->sd_flags);
206}
207
208#define gfs2_tune_get(sdp, field) \
209gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
210
211__printf(2, 3)
212void gfs2_lm(struct gfs2_sbd *sdp, const char *fmt, ...);
213int gfs2_withdraw(struct gfs2_sbd *sdp);
214
215#endif
216
