David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
Steven Whitehouse | 3a8a9a1 | 2006-05-18 15:09:15 -0400 | [diff] [blame] | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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 |
Steven Whitehouse | e9fc2aa | 2006-09-01 11:05:15 -0400 | [diff] [blame] | 7 | * of the GNU General Public License version 2. |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #ifndef __UTIL_DOT_H__ |
| 11 | #define __UTIL_DOT_H__ |
| 12 | |
Steven Whitehouse | f2f7ba5 | 2006-09-05 10:39:21 -0400 | [diff] [blame] | 13 | #include "incore.h" |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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); \ |
Steven Whitehouse | 1e09ae5 | 2006-04-21 15:52:46 -0400 | [diff] [blame] | 34 | BUG(); \ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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 | __FUNCTION__, __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 | __FUNCTION__, __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, __FUNCTION__, __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, __FUNCTION__, __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, __FUNCTION__, __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; |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 86 | u32 magic = mh->mh_magic; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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) \ |
| 95 | gfs2_meta_check_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__) |
| 96 | |
| 97 | |
| 98 | int gfs2_metatype_check_ii(struct gfs2_sbd *sdp, struct buffer_head *bh, |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 99 | u16 type, u16 t, |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 100 | const char *function, |
| 101 | char *file, unsigned int line); |
| 102 | |
| 103 | static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp, |
| 104 | struct buffer_head *bh, |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 105 | u16 type, |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 106 | const char *function, |
| 107 | char *file, unsigned int line) |
| 108 | { |
| 109 | struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 110 | u32 magic = mh->mh_magic; |
| 111 | u16 t = be32_to_cpu(mh->mh_type); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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) \ |
| 123 | gfs2_metatype_check_i((sdp), (bh), (type), __FUNCTION__, __FILE__, __LINE__) |
| 124 | |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 125 | static inline void gfs2_metatype_set(struct buffer_head *bh, u16 type, |
| 126 | u16 format) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 127 | { |
| 128 | struct gfs2_meta_header *mh; |
| 129 | mh = (struct gfs2_meta_header *)bh->b_data; |
Steven Whitehouse | e3167de | 2006-03-30 15:46:23 -0500 | [diff] [blame] | 130 | mh->mh_type = cpu_to_be32(type); |
| 131 | mh->mh_format = cpu_to_be32(format); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | |
| 135 | int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, |
| 136 | char *file, unsigned int line); |
| 137 | |
| 138 | #define gfs2_io_error(sdp) \ |
| 139 | gfs2_io_error_i((sdp), __FUNCTION__, __FILE__, __LINE__); |
| 140 | |
| 141 | |
| 142 | int 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) \ |
| 146 | gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__); |
| 147 | |
| 148 | |
| 149 | extern kmem_cache_t *gfs2_glock_cachep; |
| 150 | extern kmem_cache_t *gfs2_inode_cachep; |
| 151 | extern kmem_cache_t *gfs2_bufdata_cachep; |
| 152 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 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 | |
| 169 | #endif /* __UTIL_DOT_H__ */ |
| 170 | |