linux/fs/befs/debug.c
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   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
  28void
  29befs_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
  41void
  42befs_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
  54void
  55befs_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
  71void
  72befs_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
 155void
 156befs_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 */
 206void
 207befs_dump_small_data(const struct super_block *sb, befs_small_data *sd)
 208{
 209}
 210
 211/* unused */
 212void
 213befs_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
 225void
 226befs_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
 247void
 248befs_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}
 263