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authorLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 12:06:16 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 12:06:16 -0400
commit4a61f17378c2cdd9bd8f34ef8bd7422861d0c1f1 (patch)
treea2054556900af8c16fd9f5419f012dcf1ee2995a /fs/gfs2/util.h
parentd002ec481c24f325ed6cfcb7810d317c015dd1b5 (diff)
parent7ecdb70a0ea436c06540140242bfac6ac3babfc0 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6: (292 commits) [GFS2] Fix endian bug for de_type [GFS2] Initialize SELinux extended attributes at inode creation time. [GFS2] Move logging code into log.c (mostly) [GFS2] Mark nlink cleared so VFS sees it happen [GFS2] Two redundant casts removed [GFS2] Remove uneeded endian conversion [GFS2] Remove duplicate sb reading code [GFS2] Mark metadata reads for blktrace [GFS2] Remove iflags.h, use FS_ [GFS2] Fix code style/indent in ops_file.c [GFS2] streamline-generic_file_-interfaces-and-filemap gfs fix [GFS2] Remove readv/writev methods and use aio_read/aio_write instead (gfs bits) [GFS2] inode-diet: Eliminate i_blksize from the inode structure [GFS2] inode_diet: Replace inode.u.generic_ip with inode.i_private (gfs) [GFS2] Fix typo in last patch [GFS2] Fix direct i/o logic in filemap.c [GFS2] Fix bug in Makefiles for lock modules [GFS2] Remove (extra) fs_subsys declaration [GFS2/DLM] Fix trailing whitespace [GFS2] Tidy up meta_io code ...
Diffstat (limited to 'fs/gfs2/util.h')
-rw-r--r--fs/gfs2/util.h170
1 files changed, 170 insertions, 0 deletions
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
new file mode 100644
index 000000000000..76a50899fe9e
--- /dev/null
+++ b/fs/gfs2/util.h
@@ -0,0 +1,170 @@
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 __FUNCTION__, __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 __FUNCTION__, __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, __FUNCTION__, __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, __FUNCTION__, __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, __FUNCTION__, __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 = mh->mh_magic;
87 magic = be32_to_cpu(magic);
88 if (unlikely(magic != GFS2_MAGIC))
89 return gfs2_meta_check_ii(sdp, bh, "magic number", function,
90 file, line);
91 return 0;
92}
93
94#define gfs2_meta_check(sdp, bh) \
95gfs2_meta_check_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__)
96
97
98int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh,
99 u16 type, u16 t,
100 const char *function,
101 char *file, unsigned int line);
102
103static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp,
104 struct buffer_head *bh,
105 u16 type,
106 const char *function,
107 char *file, unsigned int line)
108{
109 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data;
110 u32 magic = mh->mh_magic;
111 u16 t = be32_to_cpu(mh->mh_type);
112 magic = be32_to_cpu(magic);
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) \
123gfs2_metatype_check_i((sdp), (bh), (type), __FUNCTION__, __FILE__, __LINE__)
124
125static 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
135int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function,
136 char *file, unsigned int line);
137
138#define gfs2_io_error(sdp) \
139gfs2_io_error_i((sdp), __FUNCTION__, __FILE__, __LINE__);
140
141
142int 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) \
146gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__);
147
148
149extern kmem_cache_t *gfs2_glock_cachep;
150extern kmem_cache_t *gfs2_inode_cachep;
151extern kmem_cache_t *gfs2_bufdata_cachep;
152
153static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
154 unsigned int *p)
155{
156 unsigned int x;
157 spin_lock(&gt->gt_spin);
158 x = *p;
159 spin_unlock(&gt->gt_spin);
160 return x;
161}
162
163#define gfs2_tune_get(sdp, field) \
164gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
165
166void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap,
167 unsigned int bit, int new_value);
168
169#endif /* __UTIL_DOT_H__ */
170