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 28 void gfs2_assert_i(struct gfs2_sbd *sdp); 29 30 #define gfs2_assert(sdp, assertion) \ 31 do { \ 32 if (unlikely(!(assertion))) { \ 33 gfs2_assert_i(sdp); \ 34 BUG(); \ 35 } \ 36 } while (0) 37 38 39 int 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 47 int 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 55 int 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) \ 59 gfs2_consist_i((sdp), 0, __func__, __FILE__, __LINE__) 60 61 62 int 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) \ 66 gfs2_consist_inode_i((ip), 0, __func__, __FILE__, __LINE__) 67 68 69 int 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) \ 73 gfs2_consist_rgrpd_i((rgd), 0, __func__, __FILE__, __LINE__) 74 75 76 int 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 80 static 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) \ 94 gfs2_meta_check_i((sdp), (bh), __func__, __FILE__, __LINE__) 95 96 97 int 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); 101 102 static 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) \ 121 gfs2_metatype_check_i((sdp), (bh), (type), __func__, __FILE__, __LINE__) 122 123 static 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 } 131 132 133 int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, 134 char *file, unsigned int line); 135 136 #define gfs2_io_error(sdp) \ 137 gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__); 138 139 140 int 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) \ 144 gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__); 145 146 147 extern struct kmem_cache *gfs2_glock_cachep; 148 extern struct kmem_cache *gfs2_inode_cachep; 149 extern struct kmem_cache *gfs2_bufdata_cachep; 150 extern struct kmem_cache *gfs2_rgrpd_cachep; 151 extern struct kmem_cache *gfs2_quotad_cachep; 152 153 static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, 154 unsigned int *p) 155 { 156 unsigned int x; 157 spin_lock(>->gt_spin); 158 x = *p; 159 spin_unlock(>->gt_spin); 160 return x; 161 } 162 163 #define gfs2_tune_get(sdp, field) \ 164 gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field) 165 166 void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap, 167 unsigned int bit, int new_value); 168 int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...); 169 170 #endif /* __UTIL_DOT_H__ */ 171 172