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 14 #define fs_printk(level, fs, fmt, arg...) \ 15 printk(level "GFS2: fsid=%s: " fmt , (fs)->sd_fsname , ## arg) 16 17 #define fs_info(fs, fmt, arg...) \ 18 fs_printk(KERN_INFO , fs , fmt , ## arg) 19 20 #define fs_warn(fs, fmt, arg...) \ 21 fs_printk(KERN_WARNING , fs , fmt , ## arg) 22 23 #define fs_err(fs, fmt, arg...) \ 24 fs_printk(KERN_ERR, fs , fmt , ## arg) 25 26 27 void gfs2_assert_i(struct gfs2_sbd *sdp); 28 29 #define gfs2_assert(sdp, assertion) \ 30 do { \ 31 if (unlikely(!(assertion))) { \ 32 gfs2_assert_i(sdp); \ 33 BUG(); \ 34 } \ 35 } while (0) 36 37 38 int gfs2_assert_withdraw_i(struct gfs2_sbd *sdp, char *assertion, 39 const char *function, char *file, unsigned int line); 40 41 #define gfs2_assert_withdraw(sdp, assertion) \ 42 ((likely(assertion)) ? 0 : gfs2_assert_withdraw_i((sdp), #assertion, \ 43 __FUNCTION__, __FILE__, __LINE__)) 44 45 46 int gfs2_assert_warn_i(struct gfs2_sbd *sdp, char *assertion, 47 const char *function, char *file, unsigned int line); 48 49 #define gfs2_assert_warn(sdp, assertion) \ 50 ((likely(assertion)) ? 0 : gfs2_assert_warn_i((sdp), #assertion, \ 51 __FUNCTION__, __FILE__, __LINE__)) 52 53 54 int gfs2_consist_i(struct gfs2_sbd *sdp, int cluster_wide, 55 const char *function, char *file, unsigned int line); 56 57 #define gfs2_consist(sdp) \ 58 gfs2_consist_i((sdp), 0, __FUNCTION__, __FILE__, __LINE__) 59 60 61 int gfs2_consist_inode_i(struct gfs2_inode *ip, int cluster_wide, 62 const char *function, char *file, unsigned int line); 63 64 #define gfs2_consist_inode(ip) \ 65 gfs2_consist_inode_i((ip), 0, __FUNCTION__, __FILE__, __LINE__) 66 67 68 int gfs2_consist_rgrpd_i(struct gfs2_rgrpd *rgd, int cluster_wide, 69 const char *function, char *file, unsigned int line); 70 71 #define gfs2_consist_rgrpd(rgd) \ 72 gfs2_consist_rgrpd_i((rgd), 0, __FUNCTION__, __FILE__, __LINE__) 73 74 75 int gfs2_meta_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, 76 const char *type, const char *function, 77 char *file, unsigned int line); 78 79 static inline int gfs2_meta_check_i(struct gfs2_sbd *sdp, 80 struct buffer_head *bh, 81 const char *function, 82 char *file, unsigned int line) 83 { 84 struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; 85 u32 magic = mh->mh_magic; 86 magic = be32_to_cpu(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), __FUNCTION__, __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 = mh->mh_magic; 110 u16 t = be32_to_cpu(mh->mh_type); 111 magic = be32_to_cpu(magic); 112 if (unlikely(magic != GFS2_MAGIC)) 113 return gfs2_meta_check_ii(sdp, bh, "magic number", function, 114 file, line); 115 if (unlikely(t != type)) 116 return gfs2_metatype_check_ii(sdp, bh, type, t, function, 117 file, line); 118 return 0; 119 } 120 121 #define gfs2_metatype_check(sdp, bh, type) \ 122 gfs2_metatype_check_i((sdp), (bh), (type), __FUNCTION__, __FILE__, __LINE__) 123 124 static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type, 125 u16 format) 126 { 127 struct gfs2_meta_header *mh; 128 mh = (struct gfs2_meta_header *)bh->b_data; 129 mh->mh_type = cpu_to_be32(type); 130 mh->mh_format = cpu_to_be32(format); 131 } 132 133 134 int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, 135 char *file, unsigned int line); 136 137 #define gfs2_io_error(sdp) \ 138 gfs2_io_error_i((sdp), __FUNCTION__, __FILE__, __LINE__); 139 140 141 int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh, 142 const char *function, char *file, unsigned int line); 143 144 #define gfs2_io_error_bh(sdp, bh) \ 145 gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__); 146 147 148 extern kmem_cache_t *gfs2_glock_cachep; 149 extern kmem_cache_t *gfs2_inode_cachep; 150 extern kmem_cache_t *gfs2_bufdata_cachep; 151 152 static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, 153 unsigned int *p) 154 { 155 unsigned int x; 156 spin_lock(>->gt_spin); 157 x = *p; 158 spin_unlock(>->gt_spin); 159 return x; 160 } 161 162 #define gfs2_tune_get(sdp, field) \ 163 gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field) 164 165 void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap, 166 unsigned int bit, int new_value); 167 168 #endif /* __UTIL_DOT_H__ */ 169 170