Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
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
39int 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
47int 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
55int 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) \
59gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__)
60
61
62int 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) \
66gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__)
67
68
69int 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) \
73gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__)
74
75
76int 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
80static 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) \
94gfs2_meta_check_i((sdp), (bh), __func__, __FILE__, __LINE__)
95
96
97int 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
102static 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) \
121gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__)
122
123static 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
133int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
134 char *file, unsigned int line);
135
136#define gfs2_io_error(sdp) \
137gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__);
138
139
140int 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) \
144gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__);
145
146
147extern struct kmem_cache *gfs2_glock_cachep;
148extern struct kmem_cache *gfs2_glock_aspace_cachep;
149extern struct kmem_cache *gfs2_inode_cachep;
150extern struct kmem_cache *gfs2_bufdata_cachep;
151extern struct kmem_cache *gfs2_rgrpd_cachep;
152extern struct kmem_cache *gfs2_quotad_cachep;
153
154static 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) \
165gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
166
167void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap,
168 unsigned int bit, int new_value);
169int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...);
170
171#endif /* __UTIL_DOT_H__ */
172