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 48
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 
dbg_is_chk_gen(const struct ubifs_info * c)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 }
dbg_is_chk_index(const struct ubifs_info * c)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 }
dbg_is_chk_orph(const struct ubifs_info * c)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 }
dbg_is_chk_lprops(const struct ubifs_info * c)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 }
dbg_is_chk_fs(const struct ubifs_info * c)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 }
dbg_is_tst_rcvry(const struct ubifs_info * c)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 }
dbg_is_power_cut(const struct ubifs_info * c)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 
ubifs_debugging_init(struct ubifs_info * c)365 static inline int ubifs_debugging_init(struct ubifs_info *c)      { return 0; }
ubifs_debugging_exit(struct ubifs_info * c)366 static inline void ubifs_debugging_exit(struct ubifs_info *c)     { return; }
dbg_ntype(int type)367 static inline const char *dbg_ntype(int type)                     { return ""; }
dbg_cstate(int cmt_state)368 static inline const char *dbg_cstate(int cmt_state)               { return ""; }
dbg_jhead(int jhead)369 static inline const char *dbg_jhead(int jhead)                    { return ""; }
370 static inline const char *
dbg_get_key_dump(const struct ubifs_info * c,const union ubifs_key * key)371 dbg_get_key_dump(const struct ubifs_info *c,
372 		 const union ubifs_key *key)                      { return ""; }
373 static inline const char *
dbg_snprintf_key(const struct ubifs_info * c,const union ubifs_key * key,char * buffer,int len)374 dbg_snprintf_key(const struct ubifs_info *c,
375 		 const union ubifs_key *key, char *buffer,
376 		 int len)                                         { return ""; }
dbg_dump_inode(struct ubifs_info * c,const struct inode * inode)377 static inline void dbg_dump_inode(struct ubifs_info *c,
378 				  const struct inode *inode)      { return; }
dbg_dump_node(const struct ubifs_info * c,const void * node)379 static inline void dbg_dump_node(const struct ubifs_info *c,
380 				 const void *node)                { return; }
dbg_dump_lpt_node(const struct ubifs_info * c,void * node,int lnum,int offs)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
dbg_dump_budget_req(const struct ubifs_budget_req * req)385 dbg_dump_budget_req(const struct ubifs_budget_req *req)           { return; }
386 static inline void
dbg_dump_lstats(const struct ubifs_lp_stats * lst)387 dbg_dump_lstats(const struct ubifs_lp_stats *lst)                 { return; }
388 static inline void
dbg_dump_budg(struct ubifs_info * c,const struct ubifs_budg_info * bi)389 dbg_dump_budg(struct ubifs_info *c,
390 	      const struct ubifs_budg_info *bi)                   { return; }
dbg_dump_lprop(const struct ubifs_info * c,const struct ubifs_lprops * lp)391 static inline void dbg_dump_lprop(const struct ubifs_info *c,
392 				  const struct ubifs_lprops *lp)  { return; }
dbg_dump_lprops(struct ubifs_info * c)393 static inline void dbg_dump_lprops(struct ubifs_info *c)          { return; }
dbg_dump_lpt_info(struct ubifs_info * c)394 static inline void dbg_dump_lpt_info(struct ubifs_info *c)        { return; }
dbg_dump_leb(const struct ubifs_info * c,int lnum)395 static inline void dbg_dump_leb(const struct ubifs_info *c,
396 				int lnum)                         { return; }
397 static inline void
dbg_dump_sleb(const struct ubifs_info * c,const struct ubifs_scan_leb * sleb,int offs)398 dbg_dump_sleb(const struct ubifs_info *c,
399 	      const struct ubifs_scan_leb *sleb, int offs)        { return; }
400 static inline void
dbg_dump_znode(const struct ubifs_info * c,const struct ubifs_znode * znode)401 dbg_dump_znode(const struct ubifs_info *c,
402 	       const struct ubifs_znode *znode)                   { return; }
dbg_dump_heap(struct ubifs_info * c,struct ubifs_lpt_heap * heap,int cat)403 static inline void dbg_dump_heap(struct ubifs_info *c,
404 				 struct ubifs_lpt_heap *heap,
405 				 int cat)                         { return; }
dbg_dump_pnode(struct ubifs_info * c,struct ubifs_pnode * pnode,struct ubifs_nnode * parent,int iip)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; }
dbg_dump_tnc(struct ubifs_info * c)410 static inline void dbg_dump_tnc(struct ubifs_info *c)             { return; }
dbg_dump_index(struct ubifs_info * c)411 static inline void dbg_dump_index(struct ubifs_info *c)           { return; }
dbg_dump_lpt_lebs(const struct ubifs_info * c)412 static inline void dbg_dump_lpt_lebs(const struct ubifs_info *c)  { return; }
413 
dbg_walk_index(struct ubifs_info * c,dbg_leaf_callback leaf_cb,dbg_znode_callback znode_cb,void * priv)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; }
dbg_save_space_info(struct ubifs_info * c)418 static inline void dbg_save_space_info(struct ubifs_info *c)      { return; }
dbg_check_space_info(struct ubifs_info * c)419 static inline int dbg_check_space_info(struct ubifs_info *c)      { return 0; }
dbg_check_lprops(struct ubifs_info * c)420 static inline int dbg_check_lprops(struct ubifs_info *c)          { return 0; }
421 static inline int
dbg_old_index_check_init(struct ubifs_info * c,struct ubifs_zbranch * zroot)422 dbg_old_index_check_init(struct ubifs_info *c,
423 			 struct ubifs_zbranch *zroot)             { return 0; }
424 static inline int
dbg_check_old_index(struct ubifs_info * c,struct ubifs_zbranch * zroot)425 dbg_check_old_index(struct ubifs_info *c,
426 		    struct ubifs_zbranch *zroot)                  { return 0; }
dbg_check_cats(struct ubifs_info * c)427 static inline int dbg_check_cats(struct ubifs_info *c)            { return 0; }
dbg_check_ltab(struct ubifs_info * c)428 static inline int dbg_check_ltab(struct ubifs_info *c)            { return 0; }
dbg_chk_lpt_free_spc(struct ubifs_info * c)429 static inline int dbg_chk_lpt_free_spc(struct ubifs_info *c)      { return 0; }
dbg_chk_lpt_sz(struct ubifs_info * c,int action,int len)430 static inline int dbg_chk_lpt_sz(struct ubifs_info *c,
431 				 int action, int len)             { return 0; }
432 static inline int
dbg_check_synced_i_size(const struct ubifs_info * c,struct inode * inode)433 dbg_check_synced_i_size(const struct ubifs_info *c,
434 			struct inode *inode)                      { return 0; }
dbg_check_dir(struct ubifs_info * c,const struct inode * dir)435 static inline int dbg_check_dir(struct ubifs_info *c,
436 				const struct inode *dir)          { return 0; }
dbg_check_tnc(struct ubifs_info * c,int extra)437 static inline int dbg_check_tnc(struct ubifs_info *c, int extra)  { return 0; }
dbg_check_idx_size(struct ubifs_info * c,long long idx_size)438 static inline int dbg_check_idx_size(struct ubifs_info *c,
439 				     long long idx_size)          { return 0; }
dbg_check_filesystem(struct ubifs_info * c)440 static inline int dbg_check_filesystem(struct ubifs_info *c)      { return 0; }
dbg_check_heap(struct ubifs_info * c,struct ubifs_lpt_heap * heap,int cat,int add_pos)441 static inline void dbg_check_heap(struct ubifs_info *c,
442 				  struct ubifs_lpt_heap *heap,
443 				  int cat, int add_pos)           { return; }
dbg_check_lpt_nodes(struct ubifs_info * c,struct ubifs_cnode * cnode,int row,int col)444 static inline int dbg_check_lpt_nodes(struct ubifs_info *c,
445 	struct ubifs_cnode *cnode, int row, int col)              { return 0; }
dbg_check_inode_size(struct ubifs_info * c,const struct inode * inode,loff_t size)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
dbg_check_data_nodes_order(struct ubifs_info * c,struct list_head * head)450 dbg_check_data_nodes_order(struct ubifs_info *c,
451 			   struct list_head *head)                { return 0; }
452 static inline int
dbg_check_nondata_nodes_order(struct ubifs_info * c,struct list_head * head)453 dbg_check_nondata_nodes_order(struct ubifs_info *c,
454 			      struct list_head *head)             { return 0; }
455 
dbg_leb_write(struct ubifs_info * c,int lnum,const void * buf,int offset,int len,int dtype)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; }
dbg_leb_change(struct ubifs_info * c,int lnum,const void * buf,int len,int dtype)459 static inline int dbg_leb_change(struct ubifs_info *c, int lnum,
460 				 const void *buf, int len,
461 				 int dtype)                       { return 0; }
dbg_leb_unmap(struct ubifs_info * c,int lnum)462 static inline int dbg_leb_unmap(struct ubifs_info *c, int lnum)   { return 0; }
dbg_leb_map(struct ubifs_info * c,int lnum,int dtype)463 static inline int dbg_leb_map(struct ubifs_info *c, int lnum,
464 			      int dtype)                          { return 0; }
465 
dbg_is_chk_gen(const struct ubifs_info * c)466 static inline int dbg_is_chk_gen(const struct ubifs_info *c)      { return 0; }
dbg_is_chk_index(const struct ubifs_info * c)467 static inline int dbg_is_chk_index(const struct ubifs_info *c)    { return 0; }
dbg_is_chk_orph(const struct ubifs_info * c)468 static inline int dbg_is_chk_orph(const struct ubifs_info *c)     { return 0; }
dbg_is_chk_lprops(const struct ubifs_info * c)469 static inline int dbg_is_chk_lprops(const struct ubifs_info *c)   { return 0; }
dbg_is_chk_fs(const struct ubifs_info * c)470 static inline int dbg_is_chk_fs(const struct ubifs_info *c)       { return 0; }
dbg_is_tst_rcvry(const struct ubifs_info * c)471 static inline int dbg_is_tst_rcvry(const struct ubifs_info *c)    { return 0; }
dbg_is_power_cut(const struct ubifs_info * c)472 static inline int dbg_is_power_cut(const struct ubifs_info *c)    { return 0; }
473 
dbg_debugfs_init(void)474 static inline int dbg_debugfs_init(void)                          { return 0; }
dbg_debugfs_exit(void)475 static inline void dbg_debugfs_exit(void)                         { return; }
dbg_debugfs_init_fs(struct ubifs_info * c)476 static inline int dbg_debugfs_init_fs(struct ubifs_info *c)       { return 0; }
dbg_debugfs_exit_fs(struct ubifs_info * c)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