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UBIFS: fix extremely rare mount failure
[deliverable/linux.git] / fs / ubifs / debug.h
CommitLineData
1e51764a
AB		 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
1dcffad7
MR		 26/* Checking helper functions */
27typedef int (*dbg_leaf_callback)(struct ubifs_info *c,
28 struct ubifs_zbranch *zbr, void *priv);
29typedef int (*dbg_znode_callback)(struct ubifs_info *c,
30 struct ubifs_znode *znode, void *priv);
31
1e51764a
AB		 32#ifdef CONFIG_UBIFS_FS_DEBUG
33
bc3f07f0
AB		 34#include <linux/random.h>
35
17c2f9f8
AB		 36/**
37 * ubifs_debug_info - per-FS debugging information.
17c2f9f8
AB		 38 * @old_zroot: old index root - used by 'dbg_check_old_index()'
39 * @old_zroot_level: old index root level - used by 'dbg_check_old_index()'
40 * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()'
41 * @failure_mode: failure mode for recovery testing
42 * @fail_delay: 0=>don't delay, 1=>delay a time, 2=>delay a number of calls
43 * @fail_timeout: time in jiffies when delay of failure mode expires
44 * @fail_cnt: current number of calls to failure mode I/O functions
45 * @fail_cnt_max: number of calls by which to delay failure mode
46 * @chk_lpt_sz: used by LPT tree size checker
47 * @chk_lpt_sz2: used by LPT tree size checker
48 * @chk_lpt_wastage: used by LPT tree size checker
49 * @chk_lpt_lebs: used by LPT tree size checker
50 * @new_nhead_offs: used by LPT tree size checker
84abf972
AB		 51 * @new_ihead_lnum: used by debugging to check @c->ihead_lnum
52 * @new_ihead_offs: used by debugging to check @c->ihead_offs
552ff317 53 *
84abf972 54 * @saved_lst: saved lprops statistics (used by 'dbg_save_space_info()')
f1bd66af
AB		 55 * @saved_bi: saved budgeting information
56 * @saved_free: saved amount of free space
57 * @saved_idx_gc_cnt: saved value of @c->idx_gc_cnt
84abf972
AB		 58 *
59 * dfs_dir_name: name of debugfs directory containing this file-system's files
60 * dfs_dir: direntry object of the file-system debugfs directory
61 * dfs_dump_lprops: "dump lprops" debugfs knob
62 * dfs_dump_budg: "dump budgeting information" debugfs knob
63 * dfs_dump_tnc: "dump TNC" debugfs knob
17c2f9f8
AB		 64 */
65struct ubifs_debug_info {
17c2f9f8
AB		 66 struct ubifs_zbranch old_zroot;
67 int old_zroot_level;
68 unsigned long long old_zroot_sqnum;
69 int failure_mode;
70 int fail_delay;
71 unsigned long fail_timeout;
72 unsigned int fail_cnt;
73 unsigned int fail_cnt_max;
74 long long chk_lpt_sz;
75 long long chk_lpt_sz2;
76 long long chk_lpt_wastage;
77 int chk_lpt_lebs;
78 int new_nhead_offs;
79 int new_ihead_lnum;
80 int new_ihead_offs;
552ff317 81
84abf972 82 struct ubifs_lp_stats saved_lst;
f1bd66af 83 struct ubifs_budg_info saved_bi;
84abf972 84 long long saved_free;
f1bd66af 85 int saved_idx_gc_cnt;
84abf972
AB		 86
87 char dfs_dir_name[100];
88 struct dentry *dfs_dir;
89 struct dentry *dfs_dump_lprops;
90 struct dentry *dfs_dump_budg;
91 struct dentry *dfs_dump_tnc;
17c2f9f8 92};
1e51764a 93
840dc6b8 94#define ubifs_assert(expr) do { \
1e51764a
AB		 95 if (unlikely(!(expr))) { \
96 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
97 __func__, __LINE__, current->pid); \
98 dbg_dump_stack(); \
99 } \
100} while (0)
101
102#define ubifs_assert_cmt_locked(c) do { \
103 if (unlikely(down_write_trylock(&(c)->commit_sem))) { \
104 up_write(&(c)->commit_sem); \
105 printk(KERN_CRIT "commit lock is not locked!\n"); \
106 ubifs_assert(0); \
107 } \
108} while (0)
109
ec068142 110#define dbg_dump_stack() dump_stack()
1e51764a
AB		 111
112/* Generic debugging messages */
113#define dbg_msg(fmt, ...) do { \
114 spin_lock(&dbg_lock); \
115 printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", current->pid, \
116 __func__, ##__VA_ARGS__); \
117 spin_unlock(&dbg_lock); \
118} while (0)
119
120#define dbg_do_msg(typ, fmt, ...) do { \
121 if (ubifs_msg_flags & typ) \
122 dbg_msg(fmt, ##__VA_ARGS__); \
123} while (0)
124
125#define dbg_err(fmt, ...) do { \
126 spin_lock(&dbg_lock); \
127 ubifs_err(fmt, ##__VA_ARGS__); \
128 spin_unlock(&dbg_lock); \
129} while (0)
130
131const char *dbg_key_str0(const struct ubifs_info *c,
132 const union ubifs_key *key);
133const char *dbg_key_str1(const struct ubifs_info *c,
134 const union ubifs_key *key);
135
136/*
840dc6b8 137 * DBGKEY macros require @dbg_lock to be held, which it is in the dbg message
1e51764a
AB		 138 * macros.
139 */
140#define DBGKEY(key) dbg_key_str0(c, (key))
141#define DBGKEY1(key) dbg_key_str1(c, (key))
142
143/* General messages */
840dc6b8 144#define dbg_gen(fmt, ...) dbg_do_msg(UBIFS_MSG_GEN, fmt, ##__VA_ARGS__)
1e51764a
AB		 145
146/* Additional journal messages */
840dc6b8 147#define dbg_jnl(fmt, ...) dbg_do_msg(UBIFS_MSG_JNL, fmt, ##__VA_ARGS__)
1e51764a
AB		 148
149/* Additional TNC messages */
840dc6b8 150#define dbg_tnc(fmt, ...) dbg_do_msg(UBIFS_MSG_TNC, fmt, ##__VA_ARGS__)
1e51764a
AB		 151
152/* Additional lprops messages */
840dc6b8 153#define dbg_lp(fmt, ...) dbg_do_msg(UBIFS_MSG_LP, fmt, ##__VA_ARGS__)
1e51764a
AB		 154
155/* Additional LEB find messages */
840dc6b8 156#define dbg_find(fmt, ...) dbg_do_msg(UBIFS_MSG_FIND, fmt, ##__VA_ARGS__)
1e51764a
AB		 157
158/* Additional mount messages */
840dc6b8 159#define dbg_mnt(fmt, ...) dbg_do_msg(UBIFS_MSG_MNT, fmt, ##__VA_ARGS__)
1e51764a
AB		 160
161/* Additional I/O messages */
840dc6b8 162#define dbg_io(fmt, ...) dbg_do_msg(UBIFS_MSG_IO, fmt, ##__VA_ARGS__)
1e51764a
AB		 163
164/* Additional commit messages */
840dc6b8 165#define dbg_cmt(fmt, ...) dbg_do_msg(UBIFS_MSG_CMT, fmt, ##__VA_ARGS__)
1e51764a
AB		 166
167/* Additional budgeting messages */
840dc6b8 168#define dbg_budg(fmt, ...) dbg_do_msg(UBIFS_MSG_BUDG, fmt, ##__VA_ARGS__)
1e51764a
AB		 169
170/* Additional log messages */
840dc6b8 171#define dbg_log(fmt, ...) dbg_do_msg(UBIFS_MSG_LOG, fmt, ##__VA_ARGS__)
1e51764a
AB		 172
173/* Additional gc messages */
840dc6b8 174#define dbg_gc(fmt, ...) dbg_do_msg(UBIFS_MSG_GC, fmt, ##__VA_ARGS__)
1e51764a
AB		 175
176/* Additional scan messages */
840dc6b8 177#define dbg_scan(fmt, ...) dbg_do_msg(UBIFS_MSG_SCAN, fmt, ##__VA_ARGS__)
1e51764a
AB		 178
179/* Additional recovery messages */
840dc6b8 180#define dbg_rcvry(fmt, ...) dbg_do_msg(UBIFS_MSG_RCVRY, fmt, ##__VA_ARGS__)
1e51764a
AB		 181
182/*
5d630e43 183 * Debugging message type flags.
1e51764a
AB		 184 *
185 * UBIFS_MSG_GEN: general messages
186 * UBIFS_MSG_JNL: journal messages
187 * UBIFS_MSG_MNT: mount messages
188 * UBIFS_MSG_CMT: commit messages
189 * UBIFS_MSG_FIND: LEB find messages
190 * UBIFS_MSG_BUDG: budgeting messages
191 * UBIFS_MSG_GC: garbage collection messages
192 * UBIFS_MSG_TNC: TNC messages
193 * UBIFS_MSG_LP: lprops messages
194 * UBIFS_MSG_IO: I/O messages
195 * UBIFS_MSG_LOG: log messages
196 * UBIFS_MSG_SCAN: scan messages
197 * UBIFS_MSG_RCVRY: recovery messages
198 */
199enum {
200 UBIFS_MSG_GEN = 0x1,
201 UBIFS_MSG_JNL = 0x2,
202 UBIFS_MSG_MNT = 0x4,
203 UBIFS_MSG_CMT = 0x8,
204 UBIFS_MSG_FIND = 0x10,
205 UBIFS_MSG_BUDG = 0x20,
206 UBIFS_MSG_GC = 0x40,
207 UBIFS_MSG_TNC = 0x80,
208 UBIFS_MSG_LP = 0x100,
209 UBIFS_MSG_IO = 0x200,
210 UBIFS_MSG_LOG = 0x400,
211 UBIFS_MSG_SCAN = 0x800,
212 UBIFS_MSG_RCVRY = 0x1000,
213};
214
1e51764a 215/*
5d630e43 216 * Debugging check flags.
1e51764a
AB		 217 *
218 * UBIFS_CHK_GEN: general checks
219 * UBIFS_CHK_TNC: check TNC
220 * UBIFS_CHK_IDX_SZ: check index size
221 * UBIFS_CHK_ORPH: check orphans
222 * UBIFS_CHK_OLD_IDX: check the old index
223 * UBIFS_CHK_LPROPS: check lprops
224 * UBIFS_CHK_FS: check the file-system
225 */
226enum {
227 UBIFS_CHK_GEN = 0x1,
228 UBIFS_CHK_TNC = 0x2,
229 UBIFS_CHK_IDX_SZ = 0x4,
230 UBIFS_CHK_ORPH = 0x8,
231 UBIFS_CHK_OLD_IDX = 0x10,
232 UBIFS_CHK_LPROPS = 0x20,
233 UBIFS_CHK_FS = 0x40,
234};
235
236/*
5d630e43 237 * Special testing flags.
1e51764a 238 *
1e51764a
AB		 239 * UBIFS_TST_RCVRY: failure mode for recovery testing
240 */
241enum {
1e51764a
AB		 242 UBIFS_TST_RCVRY = 0x4,
243};
244
1e51764a
AB		 245extern spinlock_t dbg_lock;
246
247extern unsigned int ubifs_msg_flags;
248extern unsigned int ubifs_chk_flags;
249extern unsigned int ubifs_tst_flags;
250
17c2f9f8
AB		 251int ubifs_debugging_init(struct ubifs_info *c);
252void ubifs_debugging_exit(struct ubifs_info *c);
253
1e51764a 254/* Dump functions */
1e51764a
AB		 255const char *dbg_ntype(int type);
256const char *dbg_cstate(int cmt_state);
77a7ae58 257const char *dbg_jhead(int jhead);
1e51764a
AB		 258const char *dbg_get_key_dump(const struct ubifs_info *c,
259 const union ubifs_key *key);
260void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode);
261void dbg_dump_node(const struct ubifs_info *c, const void *node);
2ba5f7ae
AB		 262void dbg_dump_lpt_node(const struct ubifs_info *c, void *node, int lnum,
263 int offs);
1e51764a
AB		 264void dbg_dump_budget_req(const struct ubifs_budget_req *req);
265void dbg_dump_lstats(const struct ubifs_lp_stats *lst);
f1bd66af 266void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi);
1e51764a
AB		 267void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp);
268void dbg_dump_lprops(struct ubifs_info *c);
73944a6d 269void dbg_dump_lpt_info(struct ubifs_info *c);
1e51764a
AB		 270void dbg_dump_leb(const struct ubifs_info *c, int lnum);
271void dbg_dump_znode(const struct ubifs_info *c,
272 const struct ubifs_znode *znode);
273void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat);
274void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
275 struct ubifs_nnode *parent, int iip);
276void dbg_dump_tnc(struct ubifs_info *c);
277void dbg_dump_index(struct ubifs_info *c);
2ba5f7ae 278void dbg_dump_lpt_lebs(const struct ubifs_info *c);
1e51764a 279
1e51764a
AB		 280int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb,
281 dbg_znode_callback znode_cb, void *priv);
282
283/* Checking functions */
84abf972
AB		 284void dbg_save_space_info(struct ubifs_info *c);
285int dbg_check_space_info(struct ubifs_info *c);
1e51764a 286int dbg_check_lprops(struct ubifs_info *c);
1e51764a
AB		 287int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot);
288int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot);
1e51764a 289int dbg_check_cats(struct ubifs_info *c);
1e51764a 290int dbg_check_ltab(struct ubifs_info *c);
73944a6d
AH		 291int dbg_chk_lpt_free_spc(struct ubifs_info *c);
292int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len);
1e51764a 293int dbg_check_synced_i_size(struct inode *inode);
1e51764a 294int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir);
1e51764a 295int dbg_check_tnc(struct ubifs_info *c, int extra);
1e51764a 296int dbg_check_idx_size(struct ubifs_info *c, long long idx_size);
1e51764a 297int dbg_check_filesystem(struct ubifs_info *c);
1e51764a
AB		 298void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat,
299 int add_pos);
1e51764a
AB		 300int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode,
301 int row, int col);
e3c3efc2
AB		 302int dbg_check_inode_size(struct ubifs_info *c, const struct inode *inode,
303 loff_t size);
3bb66b47
AB		 304int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head);
305int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head);
1e51764a
AB		 306
307/* Force the use of in-the-gaps method for testing */
bc3f07f0
AB		 308static inline int dbg_force_in_the_gaps_enabled(void)
309{
310 return ubifs_chk_flags & UBIFS_CHK_GEN;
311}
1e51764a
AB		 312int dbg_force_in_the_gaps(void);
313
314/* Failure mode for recovery testing */
1e51764a
AB		 315#define dbg_failure_mode (ubifs_tst_flags & UBIFS_TST_RCVRY)
316
1e51764a 317#ifndef UBIFS_DBG_PRESERVE_UBI
1e51764a
AB		 318#define ubi_leb_read dbg_leb_read
319#define ubi_leb_write dbg_leb_write
320#define ubi_leb_change dbg_leb_change
321#define ubi_leb_erase dbg_leb_erase
322#define ubi_leb_unmap dbg_leb_unmap
323#define ubi_is_mapped dbg_is_mapped
324#define ubi_leb_map dbg_leb_map
1e51764a
AB		 325#endif
326
327int dbg_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset,
328 int len, int check);
329int dbg_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf,
330 int offset, int len, int dtype);
331int dbg_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf,
332 int len, int dtype);
333int dbg_leb_erase(struct ubi_volume_desc *desc, int lnum);
334int dbg_leb_unmap(struct ubi_volume_desc *desc, int lnum);
335int dbg_is_mapped(struct ubi_volume_desc *desc, int lnum);
336int dbg_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype);
337
338static inline int dbg_read(struct ubi_volume_desc *desc, int lnum, char *buf,
339 int offset, int len)
340{
341 return dbg_leb_read(desc, lnum, buf, offset, len, 0);
342}
343
344static inline int dbg_write(struct ubi_volume_desc *desc, int lnum,
345 const void *buf, int offset, int len)
346{
347 return dbg_leb_write(desc, lnum, buf, offset, len, UBI_UNKNOWN);
348}
349
350static inline int dbg_change(struct ubi_volume_desc *desc, int lnum,
351 const void *buf, int len)
352{
353 return dbg_leb_change(desc, lnum, buf, len, UBI_UNKNOWN);
354}
355
552ff317
AB		 356/* Debugfs-related stuff */
357int dbg_debugfs_init(void);
358void dbg_debugfs_exit(void);
359int dbg_debugfs_init_fs(struct ubifs_info *c);
360void dbg_debugfs_exit_fs(struct ubifs_info *c);
361
1e51764a
AB		 362#else /* !CONFIG_UBIFS_FS_DEBUG */
363
840dc6b8
AB		 364/* Use "if (0)" to make compiler check arguments even if debugging is off */
365#define ubifs_assert(expr) do { \
366 if (0 && (expr)) \
367 printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \
368 __func__, __LINE__, current->pid); \
369} while (0)
370
371#define dbg_err(fmt, ...) do { \
372 if (0) \
373 ubifs_err(fmt, ##__VA_ARGS__); \
374} while (0)
375
376#define dbg_msg(fmt, ...) do { \
377 if (0) \
378 printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", \
379 current->pid, __func__, ##__VA_ARGS__); \
380} while (0)
381
1e51764a 382#define dbg_dump_stack()
840dc6b8 383#define ubifs_assert_cmt_locked(c)
1e51764a 384
840dc6b8
AB		 385#define dbg_gen(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
386#define dbg_jnl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
387#define dbg_tnc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
388#define dbg_lp(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
389#define dbg_find(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
390#define dbg_mnt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
391#define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
392#define dbg_cmt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
393#define dbg_budg(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
394#define dbg_log(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
395#define dbg_gc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
396#define dbg_scan(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
397#define dbg_rcvry(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
398
399#define DBGKEY(key) ((char *)(key))
400#define DBGKEY1(key) ((char *)(key))
401
1dcffad7
MR		 402static inline int ubifs_debugging_init(struct ubifs_info *c) { return 0; }
403static inline void ubifs_debugging_exit(struct ubifs_info *c) { return; }
404static inline const char *dbg_ntype(int type) { return ""; }
405static inline const char *dbg_cstate(int cmt_state) { return ""; }
406static inline const char *dbg_jhead(int jhead) { return ""; }
407static inline const char *
408dbg_get_key_dump(const struct ubifs_info *c,
409 const union ubifs_key *key) { return ""; }
410static inline void dbg_dump_inode(const struct ubifs_info *c,
411 const struct inode *inode) { return; }
412static inline void dbg_dump_node(const struct ubifs_info *c,
413 const void *node) { return; }
414static inline void dbg_dump_lpt_node(const struct ubifs_info *c,
415 void *node, int lnum,
416 int offs) { return; }
417static inline void
418dbg_dump_budget_req(const struct ubifs_budget_req *req) { return; }
419static inline void
420dbg_dump_lstats(const struct ubifs_lp_stats *lst) { return; }
f1bd66af
AB		 421static inline void
422dbg_dump_budg(struct ubifs_info *c,
423 const struct ubifs_budg_info *bi) { return; }
1dcffad7
MR		 424static inline void dbg_dump_lprop(const struct ubifs_info *c,
425 const struct ubifs_lprops *lp) { return; }
426static inline void dbg_dump_lprops(struct ubifs_info *c) { return; }
427static inline void dbg_dump_lpt_info(struct ubifs_info *c) { return; }
428static inline void dbg_dump_leb(const struct ubifs_info *c,
429 int lnum) { return; }
430static inline void
431dbg_dump_znode(const struct ubifs_info *c,
432 const struct ubifs_znode *znode) { return; }
433static inline void dbg_dump_heap(struct ubifs_info *c,
434 struct ubifs_lpt_heap *heap,
435 int cat) { return; }
436static inline void dbg_dump_pnode(struct ubifs_info *c,
437 struct ubifs_pnode *pnode,
438 struct ubifs_nnode *parent,
439 int iip) { return; }
440static inline void dbg_dump_tnc(struct ubifs_info *c) { return; }
441static inline void dbg_dump_index(struct ubifs_info *c) { return; }
442static inline void dbg_dump_lpt_lebs(const struct ubifs_info *c) { return; }
443
444static 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; }
448static inline void dbg_save_space_info(struct ubifs_info *c) { return; }
449static inline int dbg_check_space_info(struct ubifs_info *c) { return 0; }
450static inline int dbg_check_lprops(struct ubifs_info *c) { return 0; }
451static inline int
452dbg_old_index_check_init(struct ubifs_info *c,
453 struct ubifs_zbranch *zroot) { return 0; }
454static inline int
455dbg_check_old_index(struct ubifs_info *c,
456 struct ubifs_zbranch *zroot) { return 0; }
457static inline int dbg_check_cats(struct ubifs_info *c) { return 0; }
458static inline int dbg_check_ltab(struct ubifs_info *c) { return 0; }
459static inline int dbg_chk_lpt_free_spc(struct ubifs_info *c) { return 0; }
460static inline int dbg_chk_lpt_sz(struct ubifs_info *c,
461 int action, int len) { return 0; }
462static inline int dbg_check_synced_i_size(struct inode *inode) { return 0; }
463static inline int dbg_check_dir_size(struct ubifs_info *c,
464 const struct inode *dir) { return 0; }
465static inline int dbg_check_tnc(struct ubifs_info *c, int extra) { return 0; }
466static inline int dbg_check_idx_size(struct ubifs_info *c,
467 long long idx_size) { return 0; }
468static inline int dbg_check_filesystem(struct ubifs_info *c) { return 0; }
469static inline void dbg_check_heap(struct ubifs_info *c,
470 struct ubifs_lpt_heap *heap,
471 int cat, int add_pos) { return; }
472static inline int dbg_check_lpt_nodes(struct ubifs_info *c,
473 struct ubifs_cnode *cnode, int row, int col) { return 0; }
474static inline int dbg_check_inode_size(struct ubifs_info *c,
475 const struct inode *inode,
476 loff_t size) { return 0; }
477static inline int
478dbg_check_data_nodes_order(struct ubifs_info *c,
479 struct list_head *head) { return 0; }
480static inline int
481dbg_check_nondata_nodes_order(struct ubifs_info *c,
482 struct list_head *head) { return 0; }
483
484static inline int dbg_force_in_the_gaps(void) { return 0; }
bc3f07f0
AB		 485#define dbg_force_in_the_gaps_enabled() 0
486#define dbg_failure_mode 0
1dcffad7
MR		 487
488static inline int dbg_debugfs_init(void) { return 0; }
489static inline void dbg_debugfs_exit(void) { return; }
490static inline int dbg_debugfs_init_fs(struct ubifs_info *c) { return 0; }
491static inline int dbg_debugfs_exit_fs(struct ubifs_info *c) { return 0; }
1e51764a 492
552ff317 493#endif /* !CONFIG_UBIFS_FS_DEBUG */
1e51764a 494#endif /* !__UBIFS_DEBUG_H__ */
Linux kernel - Deliverables
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