fs/befs/debug.c

   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
  28 void
  29 befs_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
  46 void
  47 befs_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
  65 void
  66 befs_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
  93 void
  94 befs_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
 177 void
 178 befs_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 */
 227 void
 228 befs_dump_small_data(const struct super_block *sb, befs_small_data * sd)
 229 {
 230 }
 231
 232 /* unused */
 233 void
 234 befs_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
 246 void
 247 befs_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
 267 void
 268 befs_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 }