linux/fs/befs/debug.c
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   1/*
   2 *  linux/fs/befs/debug.c
   3 * 
   4 * Copyright (C) 2001 Will Dyson (will_dyson at pobox.com)
   5 *
   6 * With help from the ntfs-tng driver by Anton Altparmakov
   7 *
   8 * Copyright (C) 1999  Makoto Kato (m_kato@ga2.so-net.ne.jp)
   9 *
  10 * debug functions
  11 */
  12
  13#ifdef __KERNEL__
  14
  15#include <stdarg.h>
  16#include <linux/string.h>
  17#include <linux/spinlock.h>
  18#include <linux/kernel.h>
  19#include <linux/fs.h>
  20#include <linux/slab.h>
  21
  22#endif                          /* __KERNEL__ */
  23
  24#include "befs.h"
  25
  26#define ERRBUFSIZE 1024
  27
  28void
  29befs_error(const struct super_block *sb, const char *fmt, ...)
  30{
  31        va_list args;
  32        char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
  33        if (err_buf == NULL) {
  34                printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE);
  35                return;
  36        }
  37
  38        va_start(args, fmt);
  39        vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
  40        va_end(args);
  41
  42        printk(KERN_ERR "BeFS(%s): %s\n", sb->s_id, err_buf);
  43        kfree(err_buf);
  44}
  45
  46void
  47befs_warning(const struct super_block *sb, const char *fmt, ...)
  48{
  49        va_list args;
  50        char *err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
  51        if (err_buf == NULL) {
  52                printk(KERN_ERR "could not allocate %d bytes\n", ERRBUFSIZE);
  53                return;
  54        }
  55
  56        va_start(args, fmt);
  57        vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
  58        va_end(args);
  59
  60        printk(KERN_WARNING "BeFS(%s): %s\n", sb->s_id, err_buf);
  61
  62        kfree(err_buf);
  63}
  64
  65void
  66befs_debug(const struct super_block *sb, const char *fmt, ...)
  67{
  68#ifdef CONFIG_BEFS_DEBUG
  69
  70        va_list args;
  71        char *err_buf = NULL;
  72
  73        if (BEFS_SB(sb)->mount_opts.debug) {
  74                err_buf = kmalloc(ERRBUFSIZE, GFP_KERNEL);
  75                if (err_buf == NULL) {
  76                        printk(KERN_ERR "could not allocate %d bytes\n",
  77                                ERRBUFSIZE);
  78                        return;
  79                }
  80
  81                va_start(args, fmt);
  82                vsnprintf(err_buf, ERRBUFSIZE, fmt, args);
  83                va_end(args);
  84
  85                printk(KERN_DEBUG "BeFS(%s): %s\n", sb->s_id, err_buf);
  86
  87                kfree(err_buf);
  88        }
  89
  90#endif                          //CONFIG_BEFS_DEBUG
  91}
  92
  93void
  94befs_dump_inode(const struct super_block *sb, befs_inode * inode)
  95{
  96#ifdef CONFIG_BEFS_DEBUG
  97
  98        befs_block_run tmp_run;
  99
 100        befs_debug(sb, "befs_inode information");
 101
 102        befs_debug(sb, "  magic1 %08x", fs32_to_cpu(sb, inode->magic1));
 103
 104        tmp_run = fsrun_to_cpu(sb, inode->inode_num);
 105        befs_debug(sb, "  inode_num %u, %hu, %hu",
 106                   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 107
 108        befs_debug(sb, "  uid %u", fs32_to_cpu(sb, inode->uid));
 109        befs_debug(sb, "  gid %u", fs32_to_cpu(sb, inode->gid));
 110        befs_debug(sb, "  mode %08x", fs32_to_cpu(sb, inode->mode));
 111        befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, inode->flags));
 112        befs_debug(sb, "  create_time %Lu",
 113                   fs64_to_cpu(sb, inode->create_time));
 114        befs_debug(sb, "  last_modified_time %Lu",
 115                   fs64_to_cpu(sb, inode->last_modified_time));
 116
 117        tmp_run = fsrun_to_cpu(sb, inode->parent);
 118        befs_debug(sb, "  parent [%u, %hu, %hu]",
 119                   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 120
 121        tmp_run = fsrun_to_cpu(sb, inode->attributes);
 122        befs_debug(sb, "  attributes [%u, %hu, %hu]",
 123                   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 124
 125        befs_debug(sb, "  type %08x", fs32_to_cpu(sb, inode->type));
 126        befs_debug(sb, "  inode_size %u", fs32_to_cpu(sb, inode->inode_size));
 127
 128        if (S_ISLNK(fs32_to_cpu(sb, inode->mode))) {
 129                befs_debug(sb, "  Symbolic link [%s]", inode->data.symlink);
 130        } else {
 131                int i;
 132
 133                for (i = 0; i < BEFS_NUM_DIRECT_BLOCKS; i++) {
 134                        tmp_run =
 135                            fsrun_to_cpu(sb, inode->data.datastream.direct[i]);
 136                        befs_debug(sb, "  direct %d [%u, %hu, %hu]", i,
 137                                   tmp_run.allocation_group, tmp_run.start,
 138                                   tmp_run.len);
 139                }
 140                befs_debug(sb, "  max_direct_range %Lu",
 141                           fs64_to_cpu(sb,
 142                                       inode->data.datastream.
 143                                       max_direct_range));
 144
 145                tmp_run = fsrun_to_cpu(sb, inode->data.datastream.indirect);
 146                befs_debug(sb, "  indirect [%u, %hu, %hu]",
 147                           tmp_run.allocation_group,
 148                           tmp_run.start, tmp_run.len);
 149
 150                befs_debug(sb, "  max_indirect_range %Lu",
 151                           fs64_to_cpu(sb,
 152                                       inode->data.datastream.
 153                                       max_indirect_range));
 154
 155                tmp_run =
 156                    fsrun_to_cpu(sb, inode->data.datastream.double_indirect);
 157                befs_debug(sb, "  double indirect [%u, %hu, %hu]",
 158                           tmp_run.allocation_group, tmp_run.start,
 159                           tmp_run.len);
 160
 161                befs_debug(sb, "  max_double_indirect_range %Lu",
 162                           fs64_to_cpu(sb,
 163                                       inode->data.datastream.
 164                                       max_double_indirect_range));
 165
 166                befs_debug(sb, "  size %Lu",
 167                           fs64_to_cpu(sb, inode->data.datastream.size));
 168        }
 169
 170#endif                          //CONFIG_BEFS_DEBUG
 171}
 172
 173/*
 174 * Display super block structure for debug.
 175 */
 176
 177void
 178befs_dump_super_block(const struct super_block *sb, befs_super_block * sup)
 179{
 180#ifdef CONFIG_BEFS_DEBUG
 181
 182        befs_block_run tmp_run;
 183
 184        befs_debug(sb, "befs_super_block information");
 185
 186        befs_debug(sb, "  name %s", sup->name);
 187        befs_debug(sb, "  magic1 %08x", fs32_to_cpu(sb, sup->magic1));
 188        befs_debug(sb, "  fs_byte_order %08x",
 189                   fs32_to_cpu(sb, sup->fs_byte_order));
 190
 191        befs_debug(sb, "  block_size %u", fs32_to_cpu(sb, sup->block_size));
 192        befs_debug(sb, "  block_shift %u", fs32_to_cpu(sb, sup->block_shift));
 193
 194        befs_debug(sb, "  num_blocks %Lu", fs64_to_cpu(sb, sup->num_blocks));
 195        befs_debug(sb, "  used_blocks %Lu", fs64_to_cpu(sb, sup->used_blocks));
 196
 197        befs_debug(sb, "  magic2 %08x", fs32_to_cpu(sb, sup->magic2));
 198        befs_debug(sb, "  blocks_per_ag %u",
 199                   fs32_to_cpu(sb, sup->blocks_per_ag));
 200        befs_debug(sb, "  ag_shift %u", fs32_to_cpu(sb, sup->ag_shift));
 201        befs_debug(sb, "  num_ags %u", fs32_to_cpu(sb, sup->num_ags));
 202
 203        befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, sup->flags));
 204
 205        tmp_run = fsrun_to_cpu(sb, sup->log_blocks);
 206        befs_debug(sb, "  log_blocks %u, %hu, %hu",
 207                   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 208
 209        befs_debug(sb, "  log_start %Ld", fs64_to_cpu(sb, sup->log_start));
 210        befs_debug(sb, "  log_end %Ld", fs64_to_cpu(sb, sup->log_end));
 211
 212        befs_debug(sb, "  magic3 %08x", fs32_to_cpu(sb, sup->magic3));
 213
 214        tmp_run = fsrun_to_cpu(sb, sup->root_dir);
 215        befs_debug(sb, "  root_dir %u, %hu, %hu",
 216                   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 217
 218        tmp_run = fsrun_to_cpu(sb, sup->indices);
 219        befs_debug(sb, "  indices %u, %hu, %hu",
 220                   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 221
 222#endif                          //CONFIG_BEFS_DEBUG
 223}
 224
 225#if 0
 226/* unused */
 227void
 228befs_dump_small_data(const struct super_block *sb, befs_small_data * sd)
 229{
 230}
 231
 232/* unused */
 233void
 234befs_dump_run(const struct super_block *sb, befs_disk_block_run run)
 235{
 236#ifdef CONFIG_BEFS_DEBUG
 237
 238        befs_block_run n = fsrun_to_cpu(sb, run);
 239
 240        befs_debug(sb, "[%u, %hu, %hu]", n.allocation_group, n.start, n.len);
 241
 242#endif                          //CONFIG_BEFS_DEBUG
 243}
 244#endif  /*  0  */
 245
 246void
 247befs_dump_index_entry(const struct super_block *sb, befs_disk_btree_super * super)
 248{
 249#ifdef CONFIG_BEFS_DEBUG
 250
 251        befs_debug(sb, "Btree super structure");
 252        befs_debug(sb, "  magic %08x", fs32_to_cpu(sb, super->magic));
 253        befs_debug(sb, "  node_size %u", fs32_to_cpu(sb, super->node_size));
 254        befs_debug(sb, "  max_depth %08x", fs32_to_cpu(sb, super->max_depth));
 255
 256        befs_debug(sb, "  data_type %08x", fs32_to_cpu(sb, super->data_type));
 257        befs_debug(sb, "  root_node_pointer %016LX",
 258                   fs64_to_cpu(sb, super->root_node_ptr));
 259        befs_debug(sb, "  free_node_pointer %016LX",
 260                   fs64_to_cpu(sb, super->free_node_ptr));
 261        befs_debug(sb, "  maximum size %016LX",
 262                   fs64_to_cpu(sb, super->max_size));
 263
 264#endif                          //CONFIG_BEFS_DEBUG
 265}
 266
 267void
 268befs_dump_index_node(const struct super_block *sb, befs_btree_nodehead * node)
 269{
 270#ifdef CONFIG_BEFS_DEBUG
 271
 272        befs_debug(sb, "Btree node structure");
 273        befs_debug(sb, "  left %016LX", fs64_to_cpu(sb, node->left));
 274        befs_debug(sb, "  right %016LX", fs64_to_cpu(sb, node->right));
 275        befs_debug(sb, "  overflow %016LX", fs64_to_cpu(sb, node->overflow));
 276        befs_debug(sb, "  all_key_count %hu",
 277                   fs16_to_cpu(sb, node->all_key_count));
 278        befs_debug(sb, "  all_key_length %hu",
 279                   fs16_to_cpu(sb, node->all_key_length));
 280
 281#endif                          //CONFIG_BEFS_DEBUG
 282}
 283
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