2
* JFFS2 -- Journalling Flash File System, Version 2.
4
* Copyright © 2001-2007 Red Hat, Inc.
6
* Created by David Woodhouse <dwmw2@infradead.org>
8
* For licensing information, see the file 'LICENCE' in this directory.
12
#ifndef _JFFS2_DEBUG_H_
13
#define _JFFS2_DEBUG_H_
15
#include <linux/sched.h>
17
#ifndef CONFIG_JFFS2_FS_DEBUG
18
#define CONFIG_JFFS2_FS_DEBUG 0
21
#if CONFIG_JFFS2_FS_DEBUG > 0
22
/* Enable "paranoia" checks and dumps */
23
#define JFFS2_DBG_PARANOIA_CHECKS
24
#define JFFS2_DBG_DUMPS
27
* By defining/undefining the below macros one may select debugging messages
28
* fro specific JFFS2 subsystems.
30
#define JFFS2_DBG_READINODE_MESSAGES
31
#define JFFS2_DBG_FRAGTREE_MESSAGES
32
#define JFFS2_DBG_DENTLIST_MESSAGES
33
#define JFFS2_DBG_NODEREF_MESSAGES
34
#define JFFS2_DBG_INOCACHE_MESSAGES
35
#define JFFS2_DBG_SUMMARY_MESSAGES
36
#define JFFS2_DBG_FSBUILD_MESSAGES
39
#if CONFIG_JFFS2_FS_DEBUG > 1
40
#define JFFS2_DBG_FRAGTREE2_MESSAGES
41
#define JFFS2_DBG_READINODE2_MESSAGES
42
#define JFFS2_DBG_MEMALLOC_MESSAGES
45
/* Sanity checks are supposed to be light-weight and enabled by default */
46
#define JFFS2_DBG_SANITY_CHECKS
49
* Dx() are mainly used for debugging messages, they must go away and be
50
* superseded by nicer dbg_xxx() macros...
52
#if CONFIG_JFFS2_FS_DEBUG > 0
58
#if CONFIG_JFFS2_FS_DEBUG > 1
64
/* The prefixes of JFFS2 messages */
65
#define JFFS2_DBG_PREFIX "[JFFS2 DBG]"
66
#define JFFS2_ERR_PREFIX "JFFS2 error:"
67
#define JFFS2_WARN_PREFIX "JFFS2 warning:"
68
#define JFFS2_NOTICE_PREFIX "JFFS2 notice:"
70
#define JFFS2_ERR KERN_ERR
71
#define JFFS2_WARN KERN_WARNING
72
#define JFFS2_NOT KERN_NOTICE
73
#define JFFS2_DBG KERN_DEBUG
75
#define JFFS2_DBG_MSG_PREFIX JFFS2_DBG JFFS2_DBG_PREFIX
76
#define JFFS2_ERR_MSG_PREFIX JFFS2_ERR JFFS2_ERR_PREFIX
77
#define JFFS2_WARN_MSG_PREFIX JFFS2_WARN JFFS2_WARN_PREFIX
78
#define JFFS2_NOTICE_MSG_PREFIX JFFS2_NOT JFFS2_NOTICE_PREFIX
80
/* JFFS2 message macros */
81
#define JFFS2_ERROR(fmt, ...) \
83
printk(JFFS2_ERR_MSG_PREFIX \
84
" (%d) %s: " fmt, task_pid_nr(current), \
85
__func__ , ##__VA_ARGS__); \
88
#define JFFS2_WARNING(fmt, ...) \
90
printk(JFFS2_WARN_MSG_PREFIX \
91
" (%d) %s: " fmt, task_pid_nr(current), \
92
__func__ , ##__VA_ARGS__); \
95
#define JFFS2_NOTICE(fmt, ...) \
97
printk(JFFS2_NOTICE_MSG_PREFIX \
98
" (%d) %s: " fmt, task_pid_nr(current), \
99
__func__ , ##__VA_ARGS__); \
102
#define JFFS2_DEBUG(fmt, ...) \
104
printk(JFFS2_DBG_MSG_PREFIX \
105
" (%d) %s: " fmt, task_pid_nr(current), \
106
__func__ , ##__VA_ARGS__); \
110
* We split our debugging messages on several parts, depending on the JFFS2
111
* subsystem the message belongs to.
113
/* Read inode debugging messages */
114
#ifdef JFFS2_DBG_READINODE_MESSAGES
115
#define dbg_readinode(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
117
#define dbg_readinode(fmt, ...)
119
#ifdef JFFS2_DBG_READINODE2_MESSAGES
120
#define dbg_readinode2(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
122
#define dbg_readinode2(fmt, ...)
125
/* Fragtree build debugging messages */
126
#ifdef JFFS2_DBG_FRAGTREE_MESSAGES
127
#define dbg_fragtree(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
129
#define dbg_fragtree(fmt, ...)
131
#ifdef JFFS2_DBG_FRAGTREE2_MESSAGES
132
#define dbg_fragtree2(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
134
#define dbg_fragtree2(fmt, ...)
137
/* Directory entry list manilulation debugging messages */
138
#ifdef JFFS2_DBG_DENTLIST_MESSAGES
139
#define dbg_dentlist(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
141
#define dbg_dentlist(fmt, ...)
144
/* Print the messages about manipulating node_refs */
145
#ifdef JFFS2_DBG_NODEREF_MESSAGES
146
#define dbg_noderef(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
148
#define dbg_noderef(fmt, ...)
151
/* Manipulations with the list of inodes (JFFS2 inocache) */
152
#ifdef JFFS2_DBG_INOCACHE_MESSAGES
153
#define dbg_inocache(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
155
#define dbg_inocache(fmt, ...)
158
/* Summary debugging messages */
159
#ifdef JFFS2_DBG_SUMMARY_MESSAGES
160
#define dbg_summary(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
162
#define dbg_summary(fmt, ...)
165
/* File system build messages */
166
#ifdef JFFS2_DBG_FSBUILD_MESSAGES
167
#define dbg_fsbuild(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
169
#define dbg_fsbuild(fmt, ...)
172
/* Watch the object allocations */
173
#ifdef JFFS2_DBG_MEMALLOC_MESSAGES
174
#define dbg_memalloc(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
176
#define dbg_memalloc(fmt, ...)
179
/* Watch the XATTR subsystem */
180
#ifdef JFFS2_DBG_XATTR_MESSAGES
181
#define dbg_xattr(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__)
183
#define dbg_xattr(fmt, ...)
186
/* "Sanity" checks */
188
__jffs2_dbg_acct_sanity_check_nolock(struct jffs2_sb_info *c,
189
struct jffs2_eraseblock *jeb);
191
__jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
192
struct jffs2_eraseblock *jeb);
194
/* "Paranoia" checks */
196
__jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f);
198
__jffs2_dbg_fragtree_paranoia_check_nolock(struct jffs2_inode_info *f);
200
__jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
201
struct jffs2_eraseblock *jeb);
203
__jffs2_dbg_acct_paranoia_check_nolock(struct jffs2_sb_info *c,
204
struct jffs2_eraseblock *jeb);
206
__jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
207
uint32_t ofs, int len);
209
/* "Dump" functions */
211
__jffs2_dbg_dump_jeb(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
213
__jffs2_dbg_dump_jeb_nolock(struct jffs2_eraseblock *jeb);
215
__jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c);
217
__jffs2_dbg_dump_block_lists_nolock(struct jffs2_sb_info *c);
219
__jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c,
220
struct jffs2_eraseblock *jeb);
222
__jffs2_dbg_dump_node_refs_nolock(struct jffs2_sb_info *c,
223
struct jffs2_eraseblock *jeb);
225
__jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f);
227
__jffs2_dbg_dump_fragtree_nolock(struct jffs2_inode_info *f);
229
__jffs2_dbg_dump_buffer(unsigned char *buf, int len, uint32_t offs);
231
__jffs2_dbg_dump_node(struct jffs2_sb_info *c, uint32_t ofs);
233
#ifdef JFFS2_DBG_PARANOIA_CHECKS
234
#define jffs2_dbg_fragtree_paranoia_check(f) \
235
__jffs2_dbg_fragtree_paranoia_check(f)
236
#define jffs2_dbg_fragtree_paranoia_check_nolock(f) \
237
__jffs2_dbg_fragtree_paranoia_check_nolock(f)
238
#define jffs2_dbg_acct_paranoia_check(c, jeb) \
239
__jffs2_dbg_acct_paranoia_check(c,jeb)
240
#define jffs2_dbg_acct_paranoia_check_nolock(c, jeb) \
241
__jffs2_dbg_acct_paranoia_check_nolock(c,jeb)
242
#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len) \
243
__jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
245
#define jffs2_dbg_fragtree_paranoia_check(f)
246
#define jffs2_dbg_fragtree_paranoia_check_nolock(f)
247
#define jffs2_dbg_acct_paranoia_check(c, jeb)
248
#define jffs2_dbg_acct_paranoia_check_nolock(c, jeb)
249
#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
250
#endif /* !JFFS2_PARANOIA_CHECKS */
252
#ifdef JFFS2_DBG_DUMPS
253
#define jffs2_dbg_dump_jeb(c, jeb) \
254
__jffs2_dbg_dump_jeb(c, jeb);
255
#define jffs2_dbg_dump_jeb_nolock(jeb) \
256
__jffs2_dbg_dump_jeb_nolock(jeb);
257
#define jffs2_dbg_dump_block_lists(c) \
258
__jffs2_dbg_dump_block_lists(c)
259
#define jffs2_dbg_dump_block_lists_nolock(c) \
260
__jffs2_dbg_dump_block_lists_nolock(c)
261
#define jffs2_dbg_dump_fragtree(f) \
262
__jffs2_dbg_dump_fragtree(f);
263
#define jffs2_dbg_dump_fragtree_nolock(f) \
264
__jffs2_dbg_dump_fragtree_nolock(f);
265
#define jffs2_dbg_dump_buffer(buf, len, offs) \
266
__jffs2_dbg_dump_buffer(*buf, len, offs);
267
#define jffs2_dbg_dump_node(c, ofs) \
268
__jffs2_dbg_dump_node(c, ofs);
270
#define jffs2_dbg_dump_jeb(c, jeb)
271
#define jffs2_dbg_dump_jeb_nolock(jeb)
272
#define jffs2_dbg_dump_block_lists(c)
273
#define jffs2_dbg_dump_block_lists_nolock(c)
274
#define jffs2_dbg_dump_fragtree(f)
275
#define jffs2_dbg_dump_fragtree_nolock(f)
276
#define jffs2_dbg_dump_buffer(buf, len, offs)
277
#define jffs2_dbg_dump_node(c, ofs)
278
#endif /* !JFFS2_DBG_DUMPS */
280
#ifdef JFFS2_DBG_SANITY_CHECKS
281
#define jffs2_dbg_acct_sanity_check(c, jeb) \
282
__jffs2_dbg_acct_sanity_check(c, jeb)
283
#define jffs2_dbg_acct_sanity_check_nolock(c, jeb) \
284
__jffs2_dbg_acct_sanity_check_nolock(c, jeb)
286
#define jffs2_dbg_acct_sanity_check(c, jeb)
287
#define jffs2_dbg_acct_sanity_check_nolock(c, jeb)
288
#endif /* !JFFS2_DBG_SANITY_CHECKS */
290
#endif /* _JFFS2_DEBUG_H_ */