fs/ubifs/debug.h

   1 /*
   2  * This file is part of UBIFS.
   3  *
   4  * Copyright (C) 2006-2008 Nokia Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 as published by
   8  * the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program; if not, write to the Free Software Foundation, Inc., 51
  17  * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  *
  19  * Authors: Artem Bityutskiy (Битюцкий Артём)
  20  *          Adrian Hunter
  21  */
  22
  23 #ifndef __UBIFS_DEBUG_H__
  24 #define __UBIFS_DEBUG_H__
  25
  26 /* Checking helper functions */
  27 typedef int (*dbg_leaf_callback)(struct ubifs_info *c,
  28                                  struct ubifs_zbranch *zbr, void *priv);
  29 typedef int (*dbg_znode_callback)(struct ubifs_info *c,
  30                                   struct ubifs_znode *znode, void *priv);
  31
  32 #ifdef CONFIG_UBIFS_FS_DEBUG
  33
  34 /**
  35  * ubifs_debug_info - per-FS debugging information.
  36  * @old_zroot: old index root - used by 'dbg_check_old_index()'
  37  * @old_zroot_level: old index root level - used by 'dbg_check_old_index()'
  38  * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'
  39  * @failure_mode: failure mode for recovery testing
  40  * @fail_delay: 0=>don't delay, 1=>delay a time, 2=>delay a number of calls
  41  * @fail_timeout: time in jiffies when delay of failure mode expires
  42  * @fail_cnt: current number of calls to failure mode I/O functions
  43  * @fail_cnt_max: number of calls by which to delay failure mode
  44  * @chk_lpt_sz: used by LPT tree size checker
  45  * @chk_lpt_sz2: used by LPT tree size checker
  46  * @chk_lpt_wastage: used by LPT tree size checker
  47  * @chk_lpt_lebs: used by LPT tree size checker
  48  * @new_nhead_offs: used by LPT tree size checker
  49  * @new_ihead_lnum: used by debugging to check @c->ihead_lnum
  50  * @new_ihead_offs: used by debugging to check @c->ihead_offs
  51  *
  52  * @saved_lst: saved lprops statistics (used by 'dbg_save_space_info()')
  53  * @saved_free: saved free space (used by 'dbg_save_space_info()')
  54  *
  55  * dfs_dir_name: name of debugfs directory containing this file-system's files
  56  * dfs_dir: direntry object of the file-system debugfs directory
  57  * dfs_dump_lprops: "dump lprops" debugfs knob
  58  * dfs_dump_budg: "dump budgeting information" debugfs knob
  59  * dfs_dump_tnc: "dump TNC" debugfs knob
  60  */
  61 struct ubifs_debug_info {
  62         struct ubifs_zbranch old_zroot;
  63         int old_zroot_level;
  64         unsigned long long old_zroot_sqnum;
  65         int failure_mode;
  66         int fail_delay;
  67         unsigned long fail_timeout;
  68         unsigned int fail_cnt;
  69         unsigned int fail_cnt_max;
  70         long long chk_lpt_sz;
  71         long long chk_lpt_sz2;
  72         long long chk_lpt_wastage;
  73         int chk_lpt_lebs;
  74         int new_nhead_offs;
  75         int new_ihead_lnum;
  76         int new_ihead_offs;
  77
  78         struct ubifs_lp_stats saved_lst;
  79         long long saved_free;
  80
  81         char dfs_dir_name[100];
  82         struct dentry *dfs_dir;
  83         struct dentry *dfs_dump_lprops;
  84         struct dentry *dfs_dump_budg;
  85         struct dentry *dfs_dump_tnc;
  86 };
  87
  88 #define ubifs_assert(expr) do {                                                \
  89         if (unlikely(!(expr))) {                                               \
  90                 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
  91                        __func__, __LINE__, current->pid);                      \
  92                 dbg_dump_stack();                                              \
  93         }                                                                      \
  94 } while (0)
  95
  96 #define ubifs_assert_cmt_locked(c) do {                                        \
  97         if (unlikely(down_write_trylock(&(c)->commit_sem))) {                  \
  98                 up_write(&(c)->commit_sem);                                    \
  99                 printk(KERN_CRIT "commit lock is not locked!\n");              \
 100                 ubifs_assert(0);                                               \
 101         }                                                                      \
 102 } while (0)
 103
 104 #define dbg_dump_stack() do {                                                  \
 105         if (!dbg_failure_mode)                                                 \
 106                 dump_stack();                                                  \
 107 } while (0)
 108
 109 /* Generic debugging messages */
 110 #define dbg_msg(fmt, ...) do {                                                 \
 111         spin_lock(&dbg_lock);                                                  \
 112         printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", current->pid,   \
 113                __func__, ##__VA_ARGS__);                                       \
 114         spin_unlock(&dbg_lock);                                                \
 115 } while (0)
 116
 117 #define dbg_do_msg(typ, fmt, ...) do {                                         \
 118         if (ubifs_msg_flags & typ)                                             \
 119                 dbg_msg(fmt, ##__VA_ARGS__);                                   \
 120 } while (0)
 121
 122 #define dbg_err(fmt, ...) do {                                                 \
 123         spin_lock(&dbg_lock);                                                  \
 124         ubifs_err(fmt, ##__VA_ARGS__);                                         \
 125         spin_unlock(&dbg_lock);                                                \
 126 } while (0)
 127
 128 const char *dbg_key_str0(const struct ubifs_info *c,
 129                          const union ubifs_key *key);
 130 const char *dbg_key_str1(const struct ubifs_info *c,
 131                          const union ubifs_key *key);
 132
 133 /*
 134  * DBGKEY macros require @dbg_lock to be held, which it is in the dbg message
 135  * macros.
 136  */
 137 #define DBGKEY(key) dbg_key_str0(c, (key))
 138 #define DBGKEY1(key) dbg_key_str1(c, (key))
 139
 140 /* General messages */
 141 #define dbg_gen(fmt, ...)   dbg_do_msg(UBIFS_MSG_GEN, fmt, ##__VA_ARGS__)
 142
 143 /* Additional journal messages */
 144 #define dbg_jnl(fmt, ...)   dbg_do_msg(UBIFS_MSG_JNL, fmt, ##__VA_ARGS__)
 145
 146 /* Additional TNC messages */
 147 #define dbg_tnc(fmt, ...)   dbg_do_msg(UBIFS_MSG_TNC, fmt, ##__VA_ARGS__)
 148
 149 /* Additional lprops messages */
 150 #define dbg_lp(fmt, ...)    dbg_do_msg(UBIFS_MSG_LP, fmt, ##__VA_ARGS__)
 151
 152 /* Additional LEB find messages */
 153 #define dbg_find(fmt, ...)  dbg_do_msg(UBIFS_MSG_FIND, fmt, ##__VA_ARGS__)
 154
 155 /* Additional mount messages */
 156 #define dbg_mnt(fmt, ...)   dbg_do_msg(UBIFS_MSG_MNT, fmt, ##__VA_ARGS__)
 157
 158 /* Additional I/O messages */
 159 #define dbg_io(fmt, ...)    dbg_do_msg(UBIFS_MSG_IO, fmt, ##__VA_ARGS__)
 160
 161 /* Additional commit messages */
 162 #define dbg_cmt(fmt, ...)   dbg_do_msg(UBIFS_MSG_CMT, fmt, ##__VA_ARGS__)
 163
 164 /* Additional budgeting messages */
 165 #define dbg_budg(fmt, ...)  dbg_do_msg(UBIFS_MSG_BUDG, fmt, ##__VA_ARGS__)
 166
 167 /* Additional log messages */
 168 #define dbg_log(fmt, ...)   dbg_do_msg(UBIFS_MSG_LOG, fmt, ##__VA_ARGS__)
 169
 170 /* Additional gc messages */
 171 #define dbg_gc(fmt, ...)    dbg_do_msg(UBIFS_MSG_GC, fmt, ##__VA_ARGS__)
 172
 173 /* Additional scan messages */
 174 #define dbg_scan(fmt, ...)  dbg_do_msg(UBIFS_MSG_SCAN, fmt, ##__VA_ARGS__)
 175
 176 /* Additional recovery messages */
 177 #define dbg_rcvry(fmt, ...) dbg_do_msg(UBIFS_MSG_RCVRY, fmt, ##__VA_ARGS__)
 178
 179 /*
 180  * Debugging message type flags.
 181  *
 182  * UBIFS_MSG_GEN: general messages
 183  * UBIFS_MSG_JNL: journal messages
 184  * UBIFS_MSG_MNT: mount messages
 185  * UBIFS_MSG_CMT: commit messages
 186  * UBIFS_MSG_FIND: LEB find messages
 187  * UBIFS_MSG_BUDG: budgeting messages
 188  * UBIFS_MSG_GC: garbage collection messages
 189  * UBIFS_MSG_TNC: TNC messages
 190  * UBIFS_MSG_LP: lprops messages
 191  * UBIFS_MSG_IO: I/O messages
 192  * UBIFS_MSG_LOG: log messages
 193  * UBIFS_MSG_SCAN: scan messages
 194  * UBIFS_MSG_RCVRY: recovery messages
 195  */
 196 enum {
 197         UBIFS_MSG_GEN   = 0x1,
 198         UBIFS_MSG_JNL   = 0x2,
 199         UBIFS_MSG_MNT   = 0x4,
 200         UBIFS_MSG_CMT   = 0x8,
 201         UBIFS_MSG_FIND  = 0x10,
 202         UBIFS_MSG_BUDG  = 0x20,
 203         UBIFS_MSG_GC    = 0x40,
 204         UBIFS_MSG_TNC   = 0x80,
 205         UBIFS_MSG_LP    = 0x100,
 206         UBIFS_MSG_IO    = 0x200,
 207         UBIFS_MSG_LOG   = 0x400,
 208         UBIFS_MSG_SCAN  = 0x800,
 209         UBIFS_MSG_RCVRY = 0x1000,
 210 };
 211
 212 /*
 213  * Debugging check flags.
 214  *
 215  * UBIFS_CHK_GEN: general checks
 216  * UBIFS_CHK_TNC: check TNC
 217  * UBIFS_CHK_IDX_SZ: check index size
 218  * UBIFS_CHK_ORPH: check orphans
 219  * UBIFS_CHK_OLD_IDX: check the old index
 220  * UBIFS_CHK_LPROPS: check lprops
 221  * UBIFS_CHK_FS: check the file-system
 222  */
 223 enum {
 224         UBIFS_CHK_GEN     = 0x1,
 225         UBIFS_CHK_TNC     = 0x2,
 226         UBIFS_CHK_IDX_SZ  = 0x4,
 227         UBIFS_CHK_ORPH    = 0x8,
 228         UBIFS_CHK_OLD_IDX = 0x10,
 229         UBIFS_CHK_LPROPS  = 0x20,
 230         UBIFS_CHK_FS      = 0x40,
 231 };
 232
 233 /*
 234  * Special testing flags.
 235  *
 236  * UBIFS_TST_FORCE_IN_THE_GAPS: force the use of in-the-gaps method
 237  * UBIFS_TST_RCVRY: failure mode for recovery testing
 238  */
 239 enum {
 240         UBIFS_TST_FORCE_IN_THE_GAPS = 0x2,
 241         UBIFS_TST_RCVRY             = 0x4,
 242 };
 243
 244 extern spinlock_t dbg_lock;
 245
 246 extern unsigned int ubifs_msg_flags;
 247 extern unsigned int ubifs_chk_flags;
 248 extern unsigned int ubifs_tst_flags;
 249
 250 int ubifs_debugging_init(struct ubifs_info *c);
 251 void ubifs_debugging_exit(struct ubifs_info *c);
 252
 253 /* Dump functions */
 254 const char *dbg_ntype(int type);
 255 const char *dbg_cstate(int cmt_state);
 256 const char *dbg_jhead(int jhead);
 257 const char *dbg_get_key_dump(const struct ubifs_info *c,
 258                              const union ubifs_key *key);
 259 void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode);
 260 void dbg_dump_node(const struct ubifs_info *c, const void *node);
 261 void dbg_dump_lpt_node(const struct ubifs_info *c, void *node, int lnum,
 262                        int offs);
 263 void dbg_dump_budget_req(const struct ubifs_budget_req *req);
 264 void dbg_dump_lstats(const struct ubifs_lp_stats *lst);
 265 void dbg_dump_budg(struct ubifs_info *c);
 266 void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp);
 267 void dbg_dump_lprops(struct ubifs_info *c);
 268 void dbg_dump_lpt_info(struct ubifs_info *c);
 269 void dbg_dump_leb(const struct ubifs_info *c, int lnum);
 270 void dbg_dump_znode(const struct ubifs_info *c,
 271                     const struct ubifs_znode *znode);
 272 void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat);
 273 void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
 274                     struct ubifs_nnode *parent, int iip);
 275 void dbg_dump_tnc(struct ubifs_info *c);
 276 void dbg_dump_index(struct ubifs_info *c);
 277 void dbg_dump_lpt_lebs(const struct ubifs_info *c);
 278
 279 int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb,
 280                    dbg_znode_callback znode_cb, void *priv);
 281
 282 /* Checking functions */
 283 void dbg_save_space_info(struct ubifs_info *c);
 284 int dbg_check_space_info(struct ubifs_info *c);
 285 int dbg_check_lprops(struct ubifs_info *c);
 286 int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot);
 287 int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot);
 288 int dbg_check_cats(struct ubifs_info *c);
 289 int dbg_check_ltab(struct ubifs_info *c);
 290 int dbg_chk_lpt_free_spc(struct ubifs_info *c);
 291 int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len);
 292 int dbg_check_synced_i_size(struct inode *inode);
 293 int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir);
 294 int dbg_check_tnc(struct ubifs_info *c, int extra);
 295 int dbg_check_idx_size(struct ubifs_info *c, long long idx_size);
 296 int dbg_check_filesystem(struct ubifs_info *c);
 297 void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat,
 298                     int add_pos);
 299 int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode,
 300                         int row, int col);
 301 int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode,
 302                          loff_t size);
 303 int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head);
 304 int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head);
 305
 306 /* Force the use of in-the-gaps method for testing */
 307
 308 #define dbg_force_in_the_gaps_enabled \
 309         (ubifs_tst_flags & UBIFS_TST_FORCE_IN_THE_GAPS)
 310
 311 int dbg_force_in_the_gaps(void);
 312
 313 /* Failure mode for recovery testing */
 314
 315 #define dbg_failure_mode (ubifs_tst_flags & UBIFS_TST_RCVRY)
 316
 317 #ifndef UBIFS_DBG_PRESERVE_UBI
 318
 319 #define ubi_leb_read   dbg_leb_read
 320 #define ubi_leb_write  dbg_leb_write
 321 #define ubi_leb_change dbg_leb_change
 322 #define ubi_leb_erase  dbg_leb_erase
 323 #define ubi_leb_unmap  dbg_leb_unmap
 324 #define ubi_is_mapped  dbg_is_mapped
 325 #define ubi_leb_map    dbg_leb_map
 326
 327 #endif
 328
 329 int dbg_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset,
 330                  int len, int check);
 331 int dbg_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf,
 332                   int offset, int len, int dtype);
 333 int dbg_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf,
 334                    int len, int dtype);
 335 int dbg_leb_erase(struct ubi_volume_desc *desc, int lnum);
 336 int dbg_leb_unmap(struct ubi_volume_desc *desc, int lnum);
 337 int dbg_is_mapped(struct ubi_volume_desc *desc, int lnum);
 338 int dbg_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype);
 339
 340 static inline int dbg_read(struct ubi_volume_desc *desc, int lnum, char *buf,
 341                            int offset, int len)
 342 {
 343         return dbg_leb_read(desc, lnum, buf, offset, len, 0);
 344 }
 345
 346 static inline int dbg_write(struct ubi_volume_desc *desc, int lnum,
 347                             const void *buf, int offset, int len)
 348 {
 349         return dbg_leb_write(desc, lnum, buf, offset, len, UBI_UNKNOWN);
 350 }
 351
 352 static inline int dbg_change(struct ubi_volume_desc *desc, int lnum,
 353                                     const void *buf, int len)
 354 {
 355         return dbg_leb_change(desc, lnum, buf, len, UBI_UNKNOWN);
 356 }
 357
 358 /* Debugfs-related stuff */
 359 int dbg_debugfs_init(void);
 360 void dbg_debugfs_exit(void);
 361 int dbg_debugfs_init_fs(struct ubifs_info *c);
 362 void dbg_debugfs_exit_fs(struct ubifs_info *c);
 363
 364 #else /* !CONFIG_UBIFS_FS_DEBUG */
 365
 366 /* Use "if (0)" to make compiler check arguments even if debugging is off */
 367 #define ubifs_assert(expr)  do {                                               \
 368         if (0 && (expr))                                                       \
 369                 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
 370                        __func__, __LINE__, current->pid);                      \
 371 } while (0)
 372
 373 #define dbg_err(fmt, ...)   do {                                               \
 374         if (0)                                                                 \
 375                 ubifs_err(fmt, ##__VA_ARGS__);                                 \
 376 } while (0)
 377
 378 #define dbg_msg(fmt, ...) do {                                                 \
 379         if (0)                                                                 \
 380                 printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n",         \
 381                        current->pid, __func__, ##__VA_ARGS__);                 \
 382 } while (0)
 383
 384 #define dbg_dump_stack()
 385 #define ubifs_assert_cmt_locked(c)
 386
 387 #define dbg_gen(fmt, ...)   dbg_msg(fmt, ##__VA_ARGS__)
 388 #define dbg_jnl(fmt, ...)   dbg_msg(fmt, ##__VA_ARGS__)
 389 #define dbg_tnc(fmt, ...)   dbg_msg(fmt, ##__VA_ARGS__)
 390 #define dbg_lp(fmt, ...)    dbg_msg(fmt, ##__VA_ARGS__)
 391 #define dbg_find(fmt, ...)  dbg_msg(fmt, ##__VA_ARGS__)
 392 #define dbg_mnt(fmt, ...)   dbg_msg(fmt, ##__VA_ARGS__)
 393 #define dbg_io(fmt, ...)    dbg_msg(fmt, ##__VA_ARGS__)
 394 #define dbg_cmt(fmt, ...)   dbg_msg(fmt, ##__VA_ARGS__)
 395 #define dbg_budg(fmt, ...)  dbg_msg(fmt, ##__VA_ARGS__)
 396 #define dbg_log(fmt, ...)   dbg_msg(fmt, ##__VA_ARGS__)
 397 #define dbg_gc(fmt, ...)    dbg_msg(fmt, ##__VA_ARGS__)
 398 #define dbg_scan(fmt, ...)  dbg_msg(fmt, ##__VA_ARGS__)
 399 #define dbg_rcvry(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
 400
 401 #define DBGKEY(key)  ((char *)(key))
 402 #define DBGKEY1(key) ((char *)(key))
 403
 404 static inline int ubifs_debugging_init(struct ubifs_info *c)      { return 0; }
 405 static inline void ubifs_debugging_exit(struct ubifs_info *c)     { return; }
 406 static inline const char *dbg_ntype(int type)                     { return ""; }
 407 static inline const char *dbg_cstate(int cmt_state)               { return ""; }
 408 static inline const char *dbg_jhead(int jhead)                    { return ""; }
 409 static inline const char *
 410 dbg_get_key_dump(const struct ubifs_info *c,
 411                  const union ubifs_key *key)                      { return ""; }
 412 static inline void dbg_dump_inode(const struct ubifs_info *c,
 413                                   const struct inode *inode)      { return; }
 414 static inline void dbg_dump_node(const struct ubifs_info *c,
 415                                  const void *node)                { return; }
 416 static inline void dbg_dump_lpt_node(const struct ubifs_info *c,
 417                                      void *node, int lnum,
 418                                      int offs)                    { return; }
 419 static inline void
 420 dbg_dump_budget_req(const struct ubifs_budget_req *req)           { return; }
 421 static inline void
 422 dbg_dump_lstats(const struct ubifs_lp_stats *lst)                 { return; }
 423 static inline void dbg_dump_budg(struct ubifs_info *c)            { return; }
 424 static inline void dbg_dump_lprop(const struct ubifs_info *c,
 425                                   const struct ubifs_lprops *lp)  { return; }
 426 static inline void dbg_dump_lprops(struct ubifs_info *c)          { return; }
 427 static inline void dbg_dump_lpt_info(struct ubifs_info *c)        { return; }
 428 static inline void dbg_dump_leb(const struct ubifs_info *c,
 429                                 int lnum)                         { return; }
 430 static inline void
 431 dbg_dump_znode(const struct ubifs_info *c,
 432                const struct ubifs_znode *znode)                   { return; }
 433 static inline void dbg_dump_heap(struct ubifs_info *c,
 434                                  struct ubifs_lpt_heap *heap,
 435                                  int cat)                         { return; }
 436 static inline void dbg_dump_pnode(struct ubifs_info *c,
 437                                   struct ubifs_pnode *pnode,
 438                                   struct ubifs_nnode *parent,
 439                                   int iip)                        { return; }
 440 static inline void dbg_dump_tnc(struct ubifs_info *c)             { return; }
 441 static inline void dbg_dump_index(struct ubifs_info *c)           { return; }
 442 static inline void dbg_dump_lpt_lebs(const struct ubifs_info *c)  { return; }
 443
 444 static inline int dbg_walk_index(struct ubifs_info *c,
 445                                  dbg_leaf_callback leaf_cb,
 446                                  dbg_znode_callback znode_cb,
 447                                  void *priv)                      { return 0; }
 448 static inline void dbg_save_space_info(struct ubifs_info *c)      { return; }
 449 static inline int dbg_check_space_info(struct ubifs_info *c)      { return 0; }
 450 static inline int dbg_check_lprops(struct ubifs_info *c)          { return 0; }
 451 static inline int
 452 dbg_old_index_check_init(struct ubifs_info *c,
 453                          struct ubifs_zbranch *zroot)             { return 0; }
 454 static inline int
 455 dbg_check_old_index(struct ubifs_info *c,
 456                     struct ubifs_zbranch *zroot)                  { return 0; }
 457 static inline int dbg_check_cats(struct ubifs_info *c)            { return 0; }
 458 static inline int dbg_check_ltab(struct ubifs_info *c)            { return 0; }
 459 static inline int dbg_chk_lpt_free_spc(struct ubifs_info *c)      { return 0; }
 460 static inline int dbg_chk_lpt_sz(struct ubifs_info *c,
 461                                  int action, int len)             { return 0; }
 462 static inline int dbg_check_synced_i_size(struct inode *inode)    { return 0; }
 463 static inline int dbg_check_dir_size(struct ubifs_info *c,
 464                                      const struct inode *dir)     { return 0; }
 465 static inline int dbg_check_tnc(struct ubifs_info *c, int extra)  { return 0; }
 466 static inline int dbg_check_idx_size(struct ubifs_info *c,
 467                                      long long idx_size)          { return 0; }
 468 static inline int dbg_check_filesystem(struct ubifs_info *c)      { return 0; }
 469 static inline void dbg_check_heap(struct ubifs_info *c,
 470                                   struct ubifs_lpt_heap *heap,
 471                                   int cat, int add_pos)           { return; }
 472 static inline int dbg_check_lpt_nodes(struct ubifs_info *c,
 473         struct ubifs_cnode *cnode, int row, int col)              { return 0; }
 474 static inline int dbg_check_inode_size(struct ubifs_info *c,
 475                                        const struct inode *inode,
 476                                        loff_t size)               { return 0; }
 477 static inline int
 478 dbg_check_data_nodes_order(struct ubifs_info *c,
 479                            struct list_head *head)                { return 0; }
 480 static inline int
 481 dbg_check_nondata_nodes_order(struct ubifs_info *c,
 482                               struct list_head *head)             { return 0; }
 483
 484 static inline int dbg_force_in_the_gaps(void)                     { return 0; }
 485 #define dbg_force_in_the_gaps_enabled 0
 486 #define dbg_failure_mode              0
 487
 488 static inline int dbg_debugfs_init(void)                          { return 0; }
 489 static inline void dbg_debugfs_exit(void)                         { return; }
 490 static inline int dbg_debugfs_init_fs(struct ubifs_info *c)       { return 0; }
 491 static inline int dbg_debugfs_exit_fs(struct ubifs_info *c)       { return 0; }
 492
 493 #endif /* !CONFIG_UBIFS_FS_DEBUG */
 494 #endif /* !__UBIFS_DEBUG_H__ */