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 spin_lock(&dbg_lock); \ 168 ubifs_err(fmt, ##__VA_ARGS__); \ 169 spin_unlock(&dbg_lock); \ 170 } while (0) 171 172 #define ubifs_dbg_msg(type, fmt, ...) \ 173 pr_debug("UBIFS DBG " type ": " fmt "\n", ##__VA_ARGS__) 174 175 #define DBG_KEY_BUF_LEN 32 176 #define ubifs_dbg_msg_key(type, key, fmt, ...) do { \ 177 char __tmp_key_buf[DBG_KEY_BUF_LEN]; \ 178 pr_debug("UBIFS DBG " type ": " fmt "%s\n", ##__VA_ARGS__, \ 179 dbg_snprintf_key(c, key, __tmp_key_buf, DBG_KEY_BUF_LEN)); \ 180 } while (0) 181 182 /* Just a debugging messages not related to any specific UBIFS subsystem */ 183 #define dbg_msg(fmt, ...) \ 184 printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", current->pid, \ 185 __func__, ##__VA_ARGS__) 186 187 /* General messages */ 188 #define dbg_gen(fmt, ...) ubifs_dbg_msg("gen", fmt, ##__VA_ARGS__) 189 /* Additional journal messages */ 190 #define dbg_jnl(fmt, ...) ubifs_dbg_msg("jnl", fmt, ##__VA_ARGS__) 191 #define dbg_jnlk(key, fmt, ...) \ 192 ubifs_dbg_msg_key("jnl", key, fmt, ##__VA_ARGS__) 193 /* Additional TNC messages */ 194 #define dbg_tnc(fmt, ...) ubifs_dbg_msg("tnc", fmt, ##__VA_ARGS__) 195 #define dbg_tnck(key, fmt, ...) \ 196 ubifs_dbg_msg_key("tnc", key, fmt, ##__VA_ARGS__) 197 /* Additional lprops messages */ 198 #define dbg_lp(fmt, ...) ubifs_dbg_msg("lp", fmt, ##__VA_ARGS__) 199 /* Additional LEB find messages */ 200 #define dbg_find(fmt, ...) ubifs_dbg_msg("find", fmt, ##__VA_ARGS__) 201 /* Additional mount messages */ 202 #define dbg_mnt(fmt, ...) ubifs_dbg_msg("mnt", fmt, ##__VA_ARGS__) 203 #define dbg_mntk(key, fmt, ...) \ 204 ubifs_dbg_msg_key("mnt", key, fmt, ##__VA_ARGS__) 205 /* Additional I/O messages */ 206 #define dbg_io(fmt, ...) ubifs_dbg_msg("io", fmt, ##__VA_ARGS__) 207 /* Additional commit messages */ 208 #define dbg_cmt(fmt, ...) ubifs_dbg_msg("cmt", fmt, ##__VA_ARGS__) 209 /* Additional budgeting messages */ 210 #define dbg_budg(fmt, ...) ubifs_dbg_msg("budg", fmt, ##__VA_ARGS__) 211 /* Additional log messages */ 212 #define dbg_log(fmt, ...) ubifs_dbg_msg("log", fmt, ##__VA_ARGS__) 213 /* Additional gc messages */ 214 #define dbg_gc(fmt, ...) ubifs_dbg_msg("gc", fmt, ##__VA_ARGS__) 215 /* Additional scan messages */ 216 #define dbg_scan(fmt, ...) ubifs_dbg_msg("scan", fmt, ##__VA_ARGS__) 217 /* Additional recovery messages */ 218 #define dbg_rcvry(fmt, ...) ubifs_dbg_msg("rcvry", fmt, ##__VA_ARGS__) 219 220 extern spinlock_t dbg_lock; 221 extern struct ubifs_global_debug_info ubifs_dbg; 222 223 static inline int dbg_is_chk_gen(const struct ubifs_info *c) 224 { 225 return !!(ubifs_dbg.chk_gen || c->dbg->chk_gen); 226 } 227 static inline int dbg_is_chk_index(const struct ubifs_info *c) 228 { 229 return !!(ubifs_dbg.chk_index || c->dbg->chk_index); 230 } 231 static inline int dbg_is_chk_orph(const struct ubifs_info *c) 232 { 233 return !!(ubifs_dbg.chk_orph || c->dbg->chk_orph); 234 } 235 static inline int dbg_is_chk_lprops(const struct ubifs_info *c) 236 { 237 return !!(ubifs_dbg.chk_lprops || c->dbg->chk_lprops); 238 } 239 static inline int dbg_is_chk_fs(const struct ubifs_info *c) 240 { 241 return !!(ubifs_dbg.chk_fs || c->dbg->chk_fs); 242 } 243 static inline int dbg_is_tst_rcvry(const struct ubifs_info *c) 244 { 245 return !!(ubifs_dbg.tst_rcvry || c->dbg->tst_rcvry); 246 } 247 static inline int dbg_is_power_cut(const struct ubifs_info *c) 248 { 249 return !!c->dbg->pc_happened; 250 } 251 252 int ubifs_debugging_init(struct ubifs_info *c); 253 void ubifs_debugging_exit(struct ubifs_info *c); 254 255 /* Dump functions */ 256 const char *dbg_ntype(int type); 257 const char *dbg_cstate(int cmt_state); 258 const char *dbg_jhead(int jhead); 259 const char *dbg_get_key_dump(const struct ubifs_info *c, 260 const union ubifs_key *key); 261 const char *dbg_snprintf_key(const struct ubifs_info *c, 262 const union ubifs_key *key, char *buffer, int len); 263 void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode); 264 void dbg_dump_node(const struct ubifs_info *c, const void *node); 265 void dbg_dump_lpt_node(const struct ubifs_info *c, void *node, int lnum, 266 int offs); 267 void dbg_dump_budget_req(const struct ubifs_budget_req *req); 268 void dbg_dump_lstats(const struct ubifs_lp_stats *lst); 269 void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi); 270 void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp); 271 void dbg_dump_lprops(struct ubifs_info *c); 272 void dbg_dump_lpt_info(struct ubifs_info *c); 273 void dbg_dump_leb(const struct ubifs_info *c, int lnum); 274 void dbg_dump_sleb(const struct ubifs_info *c, 275 const struct ubifs_scan_leb *sleb, int offs); 276 void dbg_dump_znode(const struct ubifs_info *c, 277 const struct ubifs_znode *znode); 278 void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat); 279 void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode, 280 struct ubifs_nnode *parent, int iip); 281 void dbg_dump_tnc(struct ubifs_info *c); 282 void dbg_dump_index(struct ubifs_info *c); 283 void dbg_dump_lpt_lebs(const struct ubifs_info *c); 284 285 int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb, 286 dbg_znode_callback znode_cb, void *priv); 287 288 /* Checking functions */ 289 void dbg_save_space_info(struct ubifs_info *c); 290 int dbg_check_space_info(struct ubifs_info *c); 291 int dbg_check_lprops(struct ubifs_info *c); 292 int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot); 293 int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot); 294 int dbg_check_cats(struct ubifs_info *c); 295 int dbg_check_ltab(struct ubifs_info *c); 296 int dbg_chk_lpt_free_spc(struct ubifs_info *c); 297 int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len); 298 int dbg_check_synced_i_size(const struct ubifs_info *c, struct inode *inode); 299 int dbg_check_dir(struct ubifs_info *c, const struct inode *dir); 300 int dbg_check_tnc(struct ubifs_info *c, int extra); 301 int dbg_check_idx_size(struct ubifs_info *c, long long idx_size); 302 int dbg_check_filesystem(struct ubifs_info *c); 303 void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat, 304 int add_pos); 305 int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode, 306 int row, int col); 307 int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode, 308 loff_t size); 309 int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head); 310 int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head); 311 312 int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf, int offs, 313 int len, int dtype); 314 int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len, 315 int dtype); 316 int dbg_leb_unmap(struct ubifs_info *c, int lnum); 317 int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype); 318 319 /* Debugfs-related stuff */ 320 int dbg_debugfs_init(void); 321 void dbg_debugfs_exit(void); 322 int dbg_debugfs_init_fs(struct ubifs_info *c); 323 void dbg_debugfs_exit_fs(struct ubifs_info *c); 324 325 #else /* !CONFIG_UBIFS_FS_DEBUG */ 326 327 /* Use "if (0)" to make compiler check arguments even if debugging is off */ 328 #define ubifs_assert(expr) do { \ 329 if (0) \ 330 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \ 331 __func__, __LINE__, current->pid); \ 332 } while (0) 333 334 #define dbg_err(fmt, ...) do { \ 335 if (0) \ 336 ubifs_err(fmt, ##__VA_ARGS__); \ 337 } while (0) 338 339 #define DBGKEY(key) ((char *)(key)) 340 #define DBGKEY1(key) ((char *)(key)) 341 342 #define ubifs_dbg_msg(fmt, ...) do { \ 343 if (0) \ 344 printk(KERN_DEBUG fmt "\n", ##__VA_ARGS__); \ 345 } while (0) 346 347 #define dbg_dump_stack() 348 #define ubifs_assert_cmt_locked(c) 349 350 #define dbg_msg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 351 #define dbg_gen(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 352 #define dbg_jnl(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 353 #define dbg_jnlk(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 354 #define dbg_tnc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 355 #define dbg_tnck(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 356 #define dbg_lp(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 357 #define dbg_find(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 358 #define dbg_mnt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 359 #define dbg_mntk(key, fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 360 #define dbg_io(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 361 #define dbg_cmt(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 362 #define dbg_budg(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 363 #define dbg_log(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 364 #define dbg_gc(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 365 #define dbg_scan(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 366 #define dbg_rcvry(fmt, ...) ubifs_dbg_msg(fmt, ##__VA_ARGS__) 367 368 static inline int ubifs_debugging_init(struct ubifs_info *c) { return 0; } 369 static inline void ubifs_debugging_exit(struct ubifs_info *c) { return; } 370 static inline const char *dbg_ntype(int type) { return ""; } 371 static inline const char *dbg_cstate(int cmt_state) { return ""; } 372 static inline const char *dbg_jhead(int jhead) { return ""; } 373 static inline const char * 374 dbg_get_key_dump(const struct ubifs_info *c, 375 const union ubifs_key *key) { return ""; } 376 static inline const char * 377 dbg_snprintf_key(const struct ubifs_info *c, 378 const union ubifs_key *key, char *buffer, 379 int len) { return ""; } 380 static inline void dbg_dump_inode(struct ubifs_info *c, 381 const struct inode *inode) { return; } 382 static inline void dbg_dump_node(const struct ubifs_info *c, 383 const void *node) { return; } 384 static inline void dbg_dump_lpt_node(const struct ubifs_info *c, 385 void *node, int lnum, 386 int offs) { return; } 387 static inline void 388 dbg_dump_budget_req(const struct ubifs_budget_req *req) { return; } 389 static inline void 390 dbg_dump_lstats(const struct ubifs_lp_stats *lst) { return; } 391 static inline void 392 dbg_dump_budg(struct ubifs_info *c, 393 const struct ubifs_budg_info *bi) { return; } 394 static inline void dbg_dump_lprop(const struct ubifs_info *c, 395 const struct ubifs_lprops *lp) { return; } 396 static inline void dbg_dump_lprops(struct ubifs_info *c) { return; } 397 static inline void dbg_dump_lpt_info(struct ubifs_info *c) { return; } 398 static inline void dbg_dump_leb(const struct ubifs_info *c, 399 int lnum) { return; } 400 static inline void 401 dbg_dump_sleb(const struct ubifs_info *c, 402 const struct ubifs_scan_leb *sleb, int offs) { return; } 403 static inline void 404 dbg_dump_znode(const struct ubifs_info *c, 405 const struct ubifs_znode *znode) { return; } 406 static inline void dbg_dump_heap(struct ubifs_info *c, 407 struct ubifs_lpt_heap *heap, 408 int cat) { return; } 409 static inline void dbg_dump_pnode(struct ubifs_info *c, 410 struct ubifs_pnode *pnode, 411 struct ubifs_nnode *parent, 412 int iip) { return; } 413 static inline void dbg_dump_tnc(struct ubifs_info *c) { return; } 414 static inline void dbg_dump_index(struct ubifs_info *c) { return; } 415 static inline void dbg_dump_lpt_lebs(const struct ubifs_info *c) { return; } 416 417 static inline int dbg_walk_index(struct ubifs_info *c, 418 dbg_leaf_callback leaf_cb, 419 dbg_znode_callback znode_cb, 420 void *priv) { return 0; } 421 static inline void dbg_save_space_info(struct ubifs_info *c) { return; } 422 static inline int dbg_check_space_info(struct ubifs_info *c) { return 0; } 423 static inline int dbg_check_lprops(struct ubifs_info *c) { return 0; } 424 static inline int 425 dbg_old_index_check_init(struct ubifs_info *c, 426 struct ubifs_zbranch *zroot) { return 0; } 427 static inline int 428 dbg_check_old_index(struct ubifs_info *c, 429 struct ubifs_zbranch *zroot) { return 0; } 430 static inline int dbg_check_cats(struct ubifs_info *c) { return 0; } 431 static inline int dbg_check_ltab(struct ubifs_info *c) { return 0; } 432 static inline int dbg_chk_lpt_free_spc(struct ubifs_info *c) { return 0; } 433 static inline int dbg_chk_lpt_sz(struct ubifs_info *c, 434 int action, int len) { return 0; } 435 static inline int 436 dbg_check_synced_i_size(const struct ubifs_info *c, 437 struct inode *inode) { return 0; } 438 static inline int dbg_check_dir(struct ubifs_info *c, 439 const struct inode *dir) { return 0; } 440 static inline int dbg_check_tnc(struct ubifs_info *c, int extra) { return 0; } 441 static inline int dbg_check_idx_size(struct ubifs_info *c, 442 long long idx_size) { return 0; } 443 static inline int dbg_check_filesystem(struct ubifs_info *c) { return 0; } 444 static inline void dbg_check_heap(struct ubifs_info *c, 445 struct ubifs_lpt_heap *heap, 446 int cat, int add_pos) { return; } 447 static inline int dbg_check_lpt_nodes(struct ubifs_info *c, 448 struct ubifs_cnode *cnode, int row, int col) { return 0; } 449 static inline int dbg_check_inode_size(struct ubifs_info *c, 450 const struct inode *inode, 451 loff_t size) { return 0; } 452 static inline int 453 dbg_check_data_nodes_order(struct ubifs_info *c, 454 struct list_head *head) { return 0; } 455 static inline int 456 dbg_check_nondata_nodes_order(struct ubifs_info *c, 457 struct list_head *head) { return 0; } 458 459 static inline int dbg_leb_write(struct ubifs_info *c, int lnum, 460 const void *buf, int offset, 461 int len, int dtype) { return 0; } 462 static inline int dbg_leb_change(struct ubifs_info *c, int lnum, 463 const void *buf, int len, 464 int dtype) { return 0; } 465 static inline int dbg_leb_unmap(struct ubifs_info *c, int lnum) { return 0; } 466 static inline int dbg_leb_map(struct ubifs_info *c, int lnum, 467 int dtype) { return 0; } 468 469 static inline int dbg_is_chk_gen(const struct ubifs_info *c) { return 0; } 470 static inline int dbg_is_chk_index(const struct ubifs_info *c) { return 0; } 471 static inline int dbg_is_chk_orph(const struct ubifs_info *c) { return 0; } 472 static inline int dbg_is_chk_lprops(const struct ubifs_info *c) { return 0; } 473 static inline int dbg_is_chk_fs(const struct ubifs_info *c) { return 0; } 474 static inline int dbg_is_tst_rcvry(const struct ubifs_info *c) { return 0; } 475 static inline int dbg_is_power_cut(const struct ubifs_info *c) { return 0; } 476 477 static inline int dbg_debugfs_init(void) { return 0; } 478 static inline void dbg_debugfs_exit(void) { return; } 479 static inline int dbg_debugfs_init_fs(struct ubifs_info *c) { return 0; } 480 static inline int dbg_debugfs_exit_fs(struct ubifs_info *c) { return 0; } 481 482 #endif /* !CONFIG_UBIFS_FS_DEBUG */ 483 #endif /* !__UBIFS_DEBUG_H__ */ 484