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 * The UBIFS debugfs directory name pattern and maximum name length (3 for "ubi" 36 * + 1 for "_" and plus 2x2 for 2 UBI numbers and 1 for the trailing zero byte. 37 */ 38 #define UBIFS_DFS_DIR_NAME "ubi%d_%d" 39 #define UBIFS_DFS_DIR_LEN (3 + 1 + 2*2 + 1) 40 41 /** 42 * ubifs_debug_info - per-FS debugging information. 43 * @old_zroot: old index root - used by 'dbg_check_old_index()' 44 * @old_zroot_level: old index root level - used by 'dbg_check_old_index()' 45 * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()' 46 * 47 * @pc_happened: non-zero if an emulated power cut happened 48 * @pc_delay: 0=>don't delay, 1=>delay a time, 2=>delay a number of calls 49 * @pc_timeout: time in jiffies when delay of failure mode expires 50 * @pc_cnt: current number of calls to failure mode I/O functions 51 * @pc_cnt_max: number of calls by which to delay failure mode 52 * 53 * @chk_lpt_sz: used by LPT tree size checker 54 * @chk_lpt_sz2: used by LPT tree size checker 55 * @chk_lpt_wastage: used by LPT tree size checker 56 * @chk_lpt_lebs: used by LPT tree size checker 57 * @new_nhead_offs: used by LPT tree size checker 58 * @new_ihead_lnum: used by debugging to check @c->ihead_lnum 59 * @new_ihead_offs: used by debugging to check @c->ihead_offs 60 * 61 * @saved_lst: saved lprops statistics (used by 'dbg_save_space_info()') 62 * @saved_bi: saved budgeting information 63 * @saved_free: saved amount of free space 64 * @saved_idx_gc_cnt: saved value of @c->idx_gc_cnt 65 * 66 * @chk_gen: if general extra checks are enabled 67 * @chk_index: if index xtra checks are enabled 68 * @chk_orph: if orphans extra checks are enabled 69 * @chk_lprops: if lprops extra checks are enabled 70 * @chk_fs: if UBIFS contents extra checks are enabled 71 * @tst_rcvry: if UBIFS recovery testing mode enabled 72 * 73 * @dfs_dir_name: name of debugfs directory containing this file-system's files 74 * @dfs_dir: direntry object of the file-system debugfs directory 75 * @dfs_dump_lprops: "dump lprops" debugfs knob 76 * @dfs_dump_budg: "dump budgeting information" debugfs knob 77 * @dfs_dump_tnc: "dump TNC" debugfs knob 78 * @dfs_chk_gen: debugfs knob to enable UBIFS general extra checks 79 * @dfs_chk_index: debugfs knob to enable UBIFS index extra checks 80 * @dfs_chk_orph: debugfs knob to enable UBIFS orphans extra checks 81 * @dfs_chk_lprops: debugfs knob to enable UBIFS LEP properties extra checks 82 * @dfs_chk_fs: debugfs knob to enable UBIFS contents extra checks 83 * @dfs_tst_rcvry: debugfs knob to enable UBIFS recovery testing 84 */ 85 struct ubifs_debug_info { 86 struct ubifs_zbranch old_zroot; 87 int old_zroot_level; 88 unsigned long long old_zroot_sqnum; 89 90 int pc_happened; 91 int pc_delay; 92 unsigned long pc_timeout; 93 unsigned int pc_cnt; 94 unsigned int pc_cnt_max; 95 96 long long chk_lpt_sz; 97 long long chk_lpt_sz2; 98 long long chk_lpt_wastage; 99 int chk_lpt_lebs; 100 int new_nhead_offs; 101 int new_ihead_lnum; 102 int new_ihead_offs; 103 104 struct ubifs_lp_stats saved_lst; 105 struct ubifs_budg_info saved_bi; 106 long long saved_free; 107 int saved_idx_gc_cnt; 108 109 unsigned int chk_gen:1; 110 unsigned int chk_index:1; 111 unsigned int chk_orph:1; 112 unsigned int chk_lprops:1; 113 unsigned int chk_fs:1; 114 unsigned int tst_rcvry:1; 115 116 char dfs_dir_name[UBIFS_DFS_DIR_LEN + 1]; 117 struct dentry *dfs_dir; 118 struct dentry *dfs_dump_lprops; 119 struct dentry *dfs_dump_budg; 120 struct dentry *dfs_dump_tnc; 121 struct dentry *dfs_chk_gen; 122 struct dentry *dfs_chk_index; 123 struct dentry *dfs_chk_orph; 124 struct dentry *dfs_chk_lprops; 125 struct dentry *dfs_chk_fs; 126 struct dentry *dfs_tst_rcvry; 127 }; 128 129 /** 130 * ubifs_global_debug_info - global (not per-FS) UBIFS debugging information. 131 * 132 * @chk_gen: if general extra checks are enabled 133 * @chk_index: if index xtra checks are enabled 134 * @chk_orph: if orphans extra checks are enabled 135 * @chk_lprops: if lprops extra checks are enabled 136 * @chk_fs: if UBIFS contents extra checks are enabled 137 * @tst_rcvry: if UBIFS recovery testing mode enabled 138 */ 139 struct ubifs_global_debug_info { 140 unsigned int chk_gen:1; 141 unsigned int chk_index:1; 142 unsigned int chk_orph:1; 143 unsigned int chk_lprops:1; 144 unsigned int chk_fs:1; 145 unsigned int tst_rcvry:1; 146 }; 147 148 #define ubifs_assert(expr) do { \ 149 if (unlikely(!(expr))) { \ 150 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \ 151 __func__, __LINE__, current->pid); \ 152 dbg_dump_stack(); \ 153 } \ 154 } while (0) 155 156 #define ubifs_assert_cmt_locked(c) do { \ 157 if (unlikely(down_write_trylock(&(c)->commit_sem))) { \ 158 up_write(&(c)->commit_sem); \ 159 printk(KERN_CRIT "commit lock is not locked!\n"); \ 160 ubifs_assert(0); \ 161 } \ 162 } while (0) 163 164 #define dbg_dump_stack() dump_stack() 165 166 #define dbg_err(fmt, ...) do { \ 167 ubifs_err(fmt, ##__VA_ARGS__); \ 168 } while (0) 169 170 #define ubifs_dbg_msg(type, fmt, ...) \ 171 pr_debug("UBIFS DBG " type ": " fmt "\n", ##__VA_ARGS__) 172 173 #define DBG_KEY_BUF_LEN 32 174 #define ubifs_dbg_msg_key(type, key, fmt, ...) do { \ 175 char __tmp_key_buf[DBG_KEY_BUF_LEN]; \ 176 pr_debug("UBIFS DBG " type ": " fmt "%s\n", ##__VA_ARGS__, \ 177 dbg_snprintf_key(c, key, __tmp_key_buf, DBG_KEY_BUF_LEN)); \ 178 } while (0) 179 180 /* Just a debugging messages not related to any specific UBIFS subsystem */ 181 #define dbg_msg(fmt, ...) \ 182 printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", current->pid, \ 183 __func__, ##__VA_ARGS__) 184 185 /* General messages */ 186 #define dbg_gen(fmt, ...) ubifs_dbg_msg("gen", fmt, ##__VA_ARGS__) 187 /* Additional journal messages */ 188 #define dbg_jnl(fmt, ...) ubifs_dbg_msg("jnl", fmt, ##__VA_ARGS__) 189 #define dbg_jnlk(key, fmt, ...) \ 190 ubifs_dbg_msg_key("jnl", key, fmt, ##__VA_ARGS__) 191 /* Additional TNC messages */ 192 #define dbg_tnc(fmt, ...) ubifs_dbg_msg("tnc", fmt, ##__VA_ARGS__) 193 #define dbg_tnck(key, fmt, ...) \ 194 ubifs_dbg_msg_key("tnc", key, fmt, ##__VA_ARGS__) 195 /* Additional lprops messages */ 196 #define dbg_lp(fmt, ...) ubifs_dbg_msg("lp", fmt, ##__VA_ARGS__) 197 /* Additional LEB find messages */ 198 #define dbg_find(fmt, ...) ubifs_dbg_msg("find", fmt, ##__VA_ARGS__) 199 /* Additional mount messages */ 200 #define dbg_mnt(fmt, ...) ubifs_dbg_msg("mnt", fmt, ##__VA_ARGS__) 201 #define dbg_mntk(key, fmt, ...) \ 202 ubifs_dbg_msg_key("mnt", key, fmt, ##__VA_ARGS__) 203 /* Additional I/O messages */ 204 #define dbg_io(fmt, ...) ubifs_dbg_msg("io", fmt, ##__VA_ARGS__) 205 /* Additional commit messages */ 206 #define dbg_cmt(fmt, ...) ubifs_dbg_msg("cmt", fmt, ##__VA_ARGS__) 207 /* Additional budgeting messages */ 208 #define dbg_budg(fmt, ...) ubifs_dbg_msg("budg", fmt, ##__VA_ARGS__) 209 /* Additional log messages */ 210 #define dbg_log(fmt, ...) ubifs_dbg_msg("log", fmt, ##__VA_ARGS__) 211 /* Additional gc messages */ 212 #define dbg_gc(fmt, ...) ubifs_dbg_msg("gc", fmt, ##__VA_ARGS__) 213 /* Additional scan messages */ 214 #define dbg_scan(fmt, ...) ubifs_dbg_msg("scan", fmt, ##__VA_ARGS__) 215 /* Additional recovery messages */ 216 #define dbg_rcvry(fmt, ...) ubifs_dbg_msg("rcvry", fmt, ##__VA_ARGS__) 217 218 extern struct ubifs_global_debug_info ubifs_dbg; 219 220 static inline int dbg_is_chk_gen(const struct ubifs_info *c) 221 { 222 return !!(ubifs_dbg.chk_gen || c->dbg->chk_gen); 223 } 224 static inline int dbg_is_chk_index(const struct ubifs_info *c) 225 { 226 return !!(ubifs_dbg.chk_index || c->dbg->chk_index); 227 } 228 static inline int dbg_is_chk_orph(const struct ubifs_info *c) 229 { 230 return !!(ubifs_dbg.chk_orph || c->dbg->chk_orph); 231 } 232 static inline int dbg_is_chk_lprops(const struct ubifs_info *c) 233 { 234 return !!(ubifs_dbg.chk_lprops || c->dbg->chk_lprops); 235 } 236 static inline int dbg_is_chk_fs(const struct ubifs_info *c) 237 { 238 return !!(ubifs_dbg.chk_fs || c->dbg->chk_fs); 239 } 240 static inline int dbg_is_tst_rcvry(const struct ubifs_info *c) 241 { 242 return !!(ubifs_dbg.tst_rcvry || c->dbg->tst_rcvry); 243 } 244 static inline int dbg_is_power_cut(const struct ubifs_info *c) 245 { 246 return !!c->dbg->pc_happened; 247 } 248 249 int ubifs_debugging_init(struct ubifs_info *c); 250 void ubifs_debugging_exit(struct ubifs_info *c); 251 252 /* Dump functions */ 253 const char *dbg_ntype(int type); 254 const char *dbg_cstate(int cmt_state); 255 const char *dbg_jhead(int jhead); 256 const char *dbg_get_key_dump(const struct ubifs_info *c, 257 const union ubifs_key *key); 258 const char *dbg_snprintf_key(const struct ubifs_info *c, 259 const union ubifs_key *key, char *buffer, int len); 260 void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode); 261 void dbg_dump_node(const struct ubifs_info *c, const void *node); 262 void dbg_dump_lpt_node(const struct ubifs_info *c, void *node, int lnum, 263 int offs); 264 void dbg_dump_budget_req(const struct ubifs_budget_req *req); 265 void dbg_dump_lstats(const struct ubifs_lp_stats *lst); 266 void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi); 267 void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp); 268 void dbg_dump_lprops(struct ubifs_info *c); 269 void dbg_dump_lpt_info(struct ubifs_info *c); 270 void dbg_dump_leb(const struct ubifs_info *c, int lnum); 271 void dbg_dump_sleb(const struct ubifs_info *c, 272 const struct ubifs_scan_leb *sleb, int offs); 273 void dbg_dump_znode(const struct ubifs_info *c, 274 const struct ubifs_znode *znode); 275 void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat); 276 void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode, 277 struct ubifs_nnode *parent, int iip); 278 void dbg_dump_tnc(struct ubifs_info *c); 279 void dbg_dump_index(struct ubifs_info *c); 280 void dbg_dump_lpt_lebs(const struct ubifs_info *c); 281 282 int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb, 283 dbg_znode_callback znode_cb, void *priv); 284 285 /* Checking functions */ 286 void dbg_save_space_info(struct ubifs_info *c); 287 int dbg_check_space_info(struct ubifs_info *c); 288 int dbg_check_lprops(struct ubifs_info *c); 289 int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot); 290 int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot); 291 int dbg_check_cats(struct ubifs_info *c); 292 int dbg_check_ltab(struct ubifs_info *c); 293 int dbg_chk_lpt_free_spc(struct ubifs_info *c); 294 int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len); 295 int dbg_check_synced_i_size(const struct ubifs_info *c, struct inode *inode); 296 int dbg_check_dir(struct ubifs_info *c, const struct inode *dir); 297 int dbg_check_tnc(struct ubifs_info *c, int extra); 298 int dbg_check_idx_size(struct ubifs_info *c, long long idx_size); 299 int dbg_check_filesystem(struct ubifs_info *c); 300 void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat, 301 int add_pos); 302 int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode, 303 int row, int col); 304 int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode, 305 loff_t size); 306 int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head); 307 int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head); 308 309 int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs, 310 int len, int dtype); 311 int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len, 312 int dtype); 313 int dbg_leb_unmap(struct ubifs_info *c, int lnum); 314 int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype); 315 316 /* Debugfs-related stuff */ 317 int dbg_debugfs_init(void); 318 void dbg_debugfs_exit(void); 319 int dbg_debugfs_init_fs(struct ubifs_info *c); 320 void dbg_debugfs_exit_fs(struct ubifs_info *c); 321 322 #else /* !CONFIG_UBIFS_FS_DEBUG */ 323 324 /* Use "if (0)" to make compiler check arguments even if debugging is off */ 325 #define ubifs_assert(expr) do { \ 326 if (0) \ 327 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \ 328 __func__, __LINE__, current->pid); \ 329 } while (0) 330 331 #define dbg_err(fmt, ...) do { \ 332 if (0) \ 333 ubifs_err(fmt, ##__VA_ARGS__); \ 334 } while (0) 335 336 #define DBGKEY(key) ((char *)(key)) 337 #define DBGKEY1(key) ((char *)(key)) 338 339 #define ubifs_dbg_msg(fmt, ...) do { \ 340 if (0) \ 341 printk(KERN_DEBUG fmt "\n", ##__VA_ARGS__); \ 342 } while (0) 343 344 #define dbg_dump_stack() 345 #define ubifs_assert_cmt_locked(c) 346 347 #define dbg_msg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 348 #define dbg_gen(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 349 #define dbg_jnl(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 350 #define dbg_jnlk(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 351 #define dbg_tnc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 352 #define dbg_tnck(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 353 #define dbg_lp(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 354 #define dbg_find(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 355 #define dbg_mnt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 356 #define dbg_mntk(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 357 #define dbg_io(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 358 #define dbg_cmt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 359 #define dbg_budg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 360 #define dbg_log(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 361 #define dbg_gc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 362 #define dbg_scan(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 363 #define dbg_rcvry(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 364 365 static inline int ubifs_debugging_init(struct ubifs_info *c) { return 0; } 366 static inline void ubifs_debugging_exit(struct ubifs_info *c) { return; } 367 static inline const char *dbg_ntype(int type) { return ""; } 368 static inline const char *dbg_cstate(int cmt_state) { return ""; } 369 static inline const char *dbg_jhead(int jhead) { return ""; } 370 static inline const char * 371 dbg_get_key_dump(const struct ubifs_info *c, 372 const union ubifs_key *key) { return ""; } 373 static inline const char * 374 dbg_snprintf_key(const struct ubifs_info *c, 375 const union ubifs_key *key, char *buffer, 376 int len) { return ""; } 377 static inline void dbg_dump_inode(struct ubifs_info *c, 378 const struct inode *inode) { return; } 379 static inline void dbg_dump_node(const struct ubifs_info *c, 380 const void *node) { return; } 381 static inline void dbg_dump_lpt_node(const struct ubifs_info *c, 382 void *node, int lnum, 383 int offs) { return; } 384 static inline void 385 dbg_dump_budget_req(const struct ubifs_budget_req *req) { return; } 386 static inline void 387 dbg_dump_lstats(const struct ubifs_lp_stats *lst) { return; } 388 static inline void 389 dbg_dump_budg(struct ubifs_info *c, 390 const struct ubifs_budg_info *bi) { return; } 391 static inline void dbg_dump_lprop(const struct ubifs_info *c, 392 const struct ubifs_lprops *lp) { return; } 393 static inline void dbg_dump_lprops(struct ubifs_info *c) { return; } 394 static inline void dbg_dump_lpt_info(struct ubifs_info *c) { return; } 395 static inline void dbg_dump_leb(const struct ubifs_info *c, 396 int lnum) { return; } 397 static inline void 398 dbg_dump_sleb(const struct ubifs_info *c, 399 const struct ubifs_scan_leb *sleb, int offs) { return; } 400 static inline void 401 dbg_dump_znode(const struct ubifs_info *c, 402 const struct ubifs_znode *znode) { return; } 403 static inline void dbg_dump_heap(struct ubifs_info *c, 404 struct ubifs_lpt_heap *heap, 405 int cat) { return; } 406 static inline void dbg_dump_pnode(struct ubifs_info *c, 407 struct ubifs_pnode *pnode, 408 struct ubifs_nnode *parent, 409 int iip) { return; } 410 static inline void dbg_dump_tnc(struct ubifs_info *c) { return; } 411 static inline void dbg_dump_index(struct ubifs_info *c) { return; } 412 static inline void dbg_dump_lpt_lebs(const struct ubifs_info *c) { return; } 413 414 static inline int dbg_walk_index(struct ubifs_info *c, 415 dbg_leaf_callback leaf_cb, 416 dbg_znode_callback znode_cb, 417 void *priv) { return 0; } 418 static inline void dbg_save_space_info(struct ubifs_info *c) { return; } 419 static inline int dbg_check_space_info(struct ubifs_info *c) { return 0; } 420 static inline int dbg_check_lprops(struct ubifs_info *c) { return 0; } 421 static inline int 422 dbg_old_index_check_init(struct ubifs_info *c, 423 struct ubifs_zbranch *zroot) { return 0; } 424 static inline int 425 dbg_check_old_index(struct ubifs_info *c, 426 struct ubifs_zbranch *zroot) { return 0; } 427 static inline int dbg_check_cats(struct ubifs_info *c) { return 0; } 428 static inline int dbg_check_ltab(struct ubifs_info *c) { return 0; } 429 static inline int dbg_chk_lpt_free_spc(struct ubifs_info *c) { return 0; } 430 static inline int dbg_chk_lpt_sz(struct ubifs_info *c, 431 int action, int len) { return 0; } 432 static inline int 433 dbg_check_synced_i_size(const struct ubifs_info *c, 434 struct inode *inode) { return 0; } 435 static inline int dbg_check_dir(struct ubifs_info *c, 436 const struct inode *dir) { return 0; } 437 static inline int dbg_check_tnc(struct ubifs_info *c, int extra) { return 0; } 438 static inline int dbg_check_idx_size(struct ubifs_info *c, 439 long long idx_size) { return 0; } 440 static inline int dbg_check_filesystem(struct ubifs_info *c) { return 0; } 441 static inline void dbg_check_heap(struct ubifs_info *c, 442 struct ubifs_lpt_heap *heap, 443 int cat, int add_pos) { return; } 444 static inline int dbg_check_lpt_nodes(struct ubifs_info *c, 445 struct ubifs_cnode *cnode, int row, int col) { return 0; } 446 static inline int dbg_check_inode_size(struct ubifs_info *c, 447 const struct inode *inode, 448 loff_t size) { return 0; } 449 static inline int 450 dbg_check_data_nodes_order(struct ubifs_info *c, 451 struct list_head *head) { return 0; } 452 static inline int 453 dbg_check_nondata_nodes_order(struct ubifs_info *c, 454 struct list_head *head) { return 0; } 455 456 static inline int dbg_leb_write(struct ubifs_info *c, int lnum, 457 const void *buf, int offset, 458 int len, int dtype) { return 0; } 459 static inline int dbg_leb_change(struct ubifs_info *c, int lnum, 460 const void *buf, int len, 461 int dtype) { return 0; } 462 static inline int dbg_leb_unmap(struct ubifs_info *c, int lnum) { return 0; } 463 static inline int dbg_leb_map(struct ubifs_info *c, int lnum, 464 int dtype) { return 0; } 465 466 static inline int dbg_is_chk_gen(const struct ubifs_info *c) { return 0; } 467 static inline int dbg_is_chk_index(const struct ubifs_info *c) { return 0; } 468 static inline int dbg_is_chk_orph(const struct ubifs_info *c) { return 0; } 469 static inline int dbg_is_chk_lprops(const struct ubifs_info *c) { return 0; } 470 static inline int dbg_is_chk_fs(const struct ubifs_info *c) { return 0; } 471 static inline int dbg_is_tst_rcvry(const struct ubifs_info *c) { return 0; } 472 static inline int dbg_is_power_cut(const struct ubifs_info *c) { return 0; } 473 474 static inline int dbg_debugfs_init(void) { return 0; } 475 static inline void dbg_debugfs_exit(void) { return; } 476 static inline int dbg_debugfs_init_fs(struct ubifs_info *c) { return 0; } 477 static inline int dbg_debugfs_exit_fs(struct ubifs_info *c) { return 0; } 478 479 #endif /* !CONFIG_UBIFS_FS_DEBUG */ 480 #endif /* !__UBIFS_DEBUG_H__ */ 481