fs/befs/debug.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  *  linux/fs/befs/debug.c
   4  *
   5  * Copyright (C) 2001 Will Dyson (will_dyson at pobox.com)
   6  *
   7  * With help from the ntfs-tng driver by Anton Altparmakov
   8  *
   9  * Copyright (C) 1999  Makoto Kato (m_kato@ga2.so-net.ne.jp)
  10  *
  11  * debug functions
  12  */
  13
  14 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  15 #ifdef __KERNEL__
  16
  17 #include <stdarg.h>
  18 #include <linux/string.h>
  19 #include <linux/spinlock.h>
  20 #include <linux/kernel.h>
  21 #include <linux/fs.h>
  22 #include <linux/slab.h>
  23
  24 #endif                          /* __KERNEL__ */
  25
  26 #include "befs.h"
  27
  28 void
  29 befs_error(const struct super_block *sb, const char *fmt, ...)
  30 {
  31         struct va_format vaf;
  32         va_list args;
  33
  34         va_start(args, fmt);
  35         vaf.fmt = fmt;
  36         vaf.va = &args;
  37         pr_err("(%s): %pV\n", sb->s_id, &vaf);
  38         va_end(args);
  39 }
  40
  41 void
  42 befs_warning(const struct super_block *sb, const char *fmt, ...)
  43 {
  44         struct va_format vaf;
  45         va_list args;
  46
  47         va_start(args, fmt);
  48         vaf.fmt = fmt;
  49         vaf.va = &args;
  50         pr_warn("(%s): %pV\n", sb->s_id, &vaf);
  51         va_end(args);
  52 }
  53
  54 void
  55 befs_debug(const struct super_block *sb, const char *fmt, ...)
  56 {
  57 #ifdef CONFIG_BEFS_DEBUG
  58
  59         struct va_format vaf;
  60         va_list args;
  61
  62         va_start(args, fmt);
  63         vaf.fmt = fmt;
  64         vaf.va = &args;
  65         pr_debug("(%s): %pV\n", sb->s_id, &vaf);
  66         va_end(args);
  67
  68 #endif                          //CONFIG_BEFS_DEBUG
  69 }
  70
  71 void
  72 befs_dump_inode(const struct super_block *sb, befs_inode *inode)
  73 {
  74 #ifdef CONFIG_BEFS_DEBUG
  75
  76         befs_block_run tmp_run;
  77
  78         befs_debug(sb, "befs_inode information");
  79
  80         befs_debug(sb, "  magic1 %08x", fs32_to_cpu(sb, inode->magic1));
  81
  82         tmp_run = fsrun_to_cpu(sb, inode->inode_num);
  83         befs_debug(sb, "  inode_num %u, %hu, %hu",
  84                    tmp_run.allocation_group, tmp_run.start, tmp_run.len);
  85
  86         befs_debug(sb, "  uid %u", fs32_to_cpu(sb, inode->uid));
  87         befs_debug(sb, "  gid %u", fs32_to_cpu(sb, inode->gid));
  88         befs_debug(sb, "  mode %08x", fs32_to_cpu(sb, inode->mode));
  89         befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, inode->flags));
  90         befs_debug(sb, "  create_time %llu",
  91                    fs64_to_cpu(sb, inode->create_time));
  92         befs_debug(sb, "  last_modified_time %llu",
  93                    fs64_to_cpu(sb, inode->last_modified_time));
  94
  95         tmp_run = fsrun_to_cpu(sb, inode->parent);
  96         befs_debug(sb, "  parent [%u, %hu, %hu]",
  97                    tmp_run.allocation_group, tmp_run.start, tmp_run.len);
  98
  99         tmp_run = fsrun_to_cpu(sb, inode->attributes);
 100         befs_debug(sb, "  attributes [%u, %hu, %hu]",
 101                    tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 102
 103         befs_debug(sb, "  type %08x", fs32_to_cpu(sb, inode->type));
 104         befs_debug(sb, "  inode_size %u", fs32_to_cpu(sb, inode->inode_size));
 105
 106         if (S_ISLNK(fs32_to_cpu(sb, inode->mode))) {
 107                 befs_debug(sb, "  Symbolic link [%s]", inode->data.symlink);
 108         } else {
 109                 int i;
 110
 111                 for (i = 0; i < BEFS_NUM_DIRECT_BLOCKS; i++) {
 112                         tmp_run =
 113                             fsrun_to_cpu(sb, inode->data.datastream.direct[i]);
 114                         befs_debug(sb, "  direct %d [%u, %hu, %hu]", i,
 115                                    tmp_run.allocation_group, tmp_run.start,
 116                                    tmp_run.len);
 117                 }
 118                 befs_debug(sb, "  max_direct_range %llu",
 119                            fs64_to_cpu(sb,
 120                                        inode->data.datastream.
 121                                        max_direct_range));
 122
 123                 tmp_run = fsrun_to_cpu(sb, inode->data.datastream.indirect);
 124                 befs_debug(sb, "  indirect [%u, %hu, %hu]",
 125                            tmp_run.allocation_group,
 126                            tmp_run.start, tmp_run.len);
 127
 128                 befs_debug(sb, "  max_indirect_range %llu",
 129                            fs64_to_cpu(sb,
 130                                        inode->data.datastream.
 131                                        max_indirect_range));
 132
 133                 tmp_run =
 134                     fsrun_to_cpu(sb, inode->data.datastream.double_indirect);
 135                 befs_debug(sb, "  double indirect [%u, %hu, %hu]",
 136                            tmp_run.allocation_group, tmp_run.start,
 137                            tmp_run.len);
 138
 139                 befs_debug(sb, "  max_double_indirect_range %llu",
 140                            fs64_to_cpu(sb,
 141                                        inode->data.datastream.
 142                                        max_double_indirect_range));
 143
 144                 befs_debug(sb, "  size %llu",
 145                            fs64_to_cpu(sb, inode->data.datastream.size));
 146         }
 147
 148 #endif                          //CONFIG_BEFS_DEBUG
 149 }
 150
 151 /*
 152  * Display super block structure for debug.
 153  */
 154
 155 void
 156 befs_dump_super_block(const struct super_block *sb, befs_super_block *sup)
 157 {
 158 #ifdef CONFIG_BEFS_DEBUG
 159
 160         befs_block_run tmp_run;
 161
 162         befs_debug(sb, "befs_super_block information");
 163
 164         befs_debug(sb, "  name %s", sup->name);
 165         befs_debug(sb, "  magic1 %08x", fs32_to_cpu(sb, sup->magic1));
 166         befs_debug(sb, "  fs_byte_order %08x",
 167                    fs32_to_cpu(sb, sup->fs_byte_order));
 168
 169         befs_debug(sb, "  block_size %u", fs32_to_cpu(sb, sup->block_size));
 170         befs_debug(sb, "  block_shift %u", fs32_to_cpu(sb, sup->block_shift));
 171
 172         befs_debug(sb, "  num_blocks %llu", fs64_to_cpu(sb, sup->num_blocks));
 173         befs_debug(sb, "  used_blocks %llu", fs64_to_cpu(sb, sup->used_blocks));
 174         befs_debug(sb, "  inode_size %u", fs32_to_cpu(sb, sup->inode_size));
 175
 176         befs_debug(sb, "  magic2 %08x", fs32_to_cpu(sb, sup->magic2));
 177         befs_debug(sb, "  blocks_per_ag %u",
 178                    fs32_to_cpu(sb, sup->blocks_per_ag));
 179         befs_debug(sb, "  ag_shift %u", fs32_to_cpu(sb, sup->ag_shift));
 180         befs_debug(sb, "  num_ags %u", fs32_to_cpu(sb, sup->num_ags));
 181
 182         befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, sup->flags));
 183
 184         tmp_run = fsrun_to_cpu(sb, sup->log_blocks);
 185         befs_debug(sb, "  log_blocks %u, %hu, %hu",
 186                    tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 187
 188         befs_debug(sb, "  log_start %lld", fs64_to_cpu(sb, sup->log_start));
 189         befs_debug(sb, "  log_end %lld", fs64_to_cpu(sb, sup->log_end));
 190
 191         befs_debug(sb, "  magic3 %08x", fs32_to_cpu(sb, sup->magic3));
 192
 193         tmp_run = fsrun_to_cpu(sb, sup->root_dir);
 194         befs_debug(sb, "  root_dir %u, %hu, %hu",
 195                    tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 196
 197         tmp_run = fsrun_to_cpu(sb, sup->indices);
 198         befs_debug(sb, "  indices %u, %hu, %hu",
 199                    tmp_run.allocation_group, tmp_run.start, tmp_run.len);
 200
 201 #endif                          //CONFIG_BEFS_DEBUG
 202 }
 203
 204 #if 0
 205 /* unused */
 206 void
 207 befs_dump_small_data(const struct super_block *sb, befs_small_data *sd)
 208 {
 209 }
 210
 211 /* unused */
 212 void
 213 befs_dump_run(const struct super_block *sb, befs_disk_block_run run)
 214 {
 215 #ifdef CONFIG_BEFS_DEBUG
 216
 217         befs_block_run n = fsrun_to_cpu(sb, run);
 218
 219         befs_debug(sb, "[%u, %hu, %hu]", n.allocation_group, n.start, n.len);
 220
 221 #endif                          //CONFIG_BEFS_DEBUG
 222 }
 223 #endif  /*  0  */
 224
 225 void
 226 befs_dump_index_entry(const struct super_block *sb,
 227                       befs_disk_btree_super *super)
 228 {
 229 #ifdef CONFIG_BEFS_DEBUG
 230
 231         befs_debug(sb, "Btree super structure");
 232         befs_debug(sb, "  magic %08x", fs32_to_cpu(sb, super->magic));
 233         befs_debug(sb, "  node_size %u", fs32_to_cpu(sb, super->node_size));
 234         befs_debug(sb, "  max_depth %08x", fs32_to_cpu(sb, super->max_depth));
 235
 236         befs_debug(sb, "  data_type %08x", fs32_to_cpu(sb, super->data_type));
 237         befs_debug(sb, "  root_node_pointer %016LX",
 238                    fs64_to_cpu(sb, super->root_node_ptr));
 239         befs_debug(sb, "  free_node_pointer %016LX",
 240                    fs64_to_cpu(sb, super->free_node_ptr));
 241         befs_debug(sb, "  maximum size %016LX",
 242                    fs64_to_cpu(sb, super->max_size));
 243
 244 #endif                          //CONFIG_BEFS_DEBUG
 245 }
 246
 247 void
 248 befs_dump_index_node(const struct super_block *sb, befs_btree_nodehead *node)
 249 {
 250 #ifdef CONFIG_BEFS_DEBUG
 251
 252         befs_debug(sb, "Btree node structure");
 253         befs_debug(sb, "  left %016LX", fs64_to_cpu(sb, node->left));
 254         befs_debug(sb, "  right %016LX", fs64_to_cpu(sb, node->right));
 255         befs_debug(sb, "  overflow %016LX", fs64_to_cpu(sb, node->overflow));
 256         befs_debug(sb, "  all_key_count %hu",
 257                    fs16_to_cpu(sb, node->all_key_count));
 258         befs_debug(sb, "  all_key_length %hu",
 259                    fs16_to_cpu(sb, node->all_key_length));
 260
 261 #endif                          //CONFIG_BEFS_DEBUG
 262 }