2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
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.
10 #ifndef __UTIL_DOT_H__
11 #define __UTIL_DOT_H__
15 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18 #include <linux/mempool.h>
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__)
31 void gfs2_assert_i(struct gfs2_sbd
*sdp
);
33 #define gfs2_assert(sdp, assertion) \
35 if (unlikely(!(assertion))) { \
42 int gfs2_assert_withdraw_i(struct gfs2_sbd
*sdp
, char *assertion
,
43 const char *function
, char *file
, unsigned int line
);
45 #define gfs2_assert_withdraw(sdp, assertion) \
46 ((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \
47 __func__, __FILE__, __LINE__))
50 int gfs2_assert_warn_i(struct gfs2_sbd
*sdp
, char *assertion
,
51 const char *function
, char *file
, unsigned int line
);
53 #define gfs2_assert_warn(sdp, assertion) \
54 ((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \
55 __func__, __FILE__, __LINE__))
58 int gfs2_consist_i(struct gfs2_sbd
*sdp
, int cluster_wide
,
59 const char *function
, char *file
, unsigned int line
);
61 #define gfs2_consist(sdp) \
62 gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__)
65 int gfs2_consist_inode_i(struct gfs2_inode
*ip
, int cluster_wide
,
66 const char *function
, char *file
, unsigned int line
);
68 #define gfs2_consist_inode(ip) \
69 gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__)
72 int gfs2_consist_rgrpd_i(struct gfs2_rgrpd
*rgd
, int cluster_wide
,
73 const char *function
, char *file
, unsigned int line
);
75 #define gfs2_consist_rgrpd(rgd) \
76 gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__)
79 int 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
);
83 static inline int gfs2_meta_check(struct gfs2_sbd
*sdp
,
84 struct buffer_head
*bh
)
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
);
96 int gfs2_metatype_check_ii(struct gfs2_sbd
*sdp
, struct buffer_head
*bh
,
99 char *file
, unsigned int line
);
101 static inline int gfs2_metatype_check_i(struct gfs2_sbd
*sdp
,
102 struct buffer_head
*bh
,
104 const char *function
,
105 char *file
, unsigned int line
)
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
,
113 if (unlikely(t
!= type
))
114 return gfs2_metatype_check_ii(sdp
, bh
, type
, t
, function
,
119 #define gfs2_metatype_check(sdp, bh, type) \
120 gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__)
122 static inline void gfs2_metatype_set(struct buffer_head
*bh
, u16 type
,
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
);
132 int gfs2_io_error_i(struct gfs2_sbd
*sdp
, const char *function
,
133 char *file
, unsigned int line
);
135 #define gfs2_io_error(sdp) \
136 gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__);
139 void gfs2_io_error_bh_i(struct gfs2_sbd
*sdp
, struct buffer_head
*bh
,
140 const char *function
, char *file
, unsigned int line
,
143 #define gfs2_io_error_bh_wd(sdp, bh) \
144 gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, true);
146 #define gfs2_io_error_bh(sdp, bh) \
147 gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__, false);
150 extern struct kmem_cache
*gfs2_glock_cachep
;
151 extern struct kmem_cache
*gfs2_glock_aspace_cachep
;
152 extern struct kmem_cache
*gfs2_inode_cachep
;
153 extern struct kmem_cache
*gfs2_bufdata_cachep
;
154 extern struct kmem_cache
*gfs2_rgrpd_cachep
;
155 extern struct kmem_cache
*gfs2_quotad_cachep
;
156 extern struct kmem_cache
*gfs2_qadata_cachep
;
157 extern mempool_t
*gfs2_page_pool
;
158 extern struct workqueue_struct
*gfs2_control_wq
;
160 static inline unsigned int gfs2_tune_get_i(struct gfs2_tune
*gt
,
164 spin_lock(>
->gt_spin
);
166 spin_unlock(>
->gt_spin
);
170 #define gfs2_tune_get(sdp, field) \
171 gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
174 int gfs2_lm_withdraw(struct gfs2_sbd
*sdp
, const char *fmt
, ...);
176 #endif /* __UTIL_DOT_H__ */