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730554d9 AB |
1 | /* |
2 | * JFFS2 -- Journalling Flash File System, Version 2. | |
3 | * | |
4 | * Copyright (C) 2001-2003 Red Hat, Inc. | |
5 | * | |
6 | * Created by David Woodhouse <dwmw2@infradead.org> | |
7 | * | |
8 | * For licensing information, see the file 'LICENCE' in this directory. | |
9 | * | |
e631ddba | 10 | * $Id: debug.h,v 1.15 2005/09/07 08:34:54 havasi Exp $ |
730554d9 AB |
11 | * |
12 | */ | |
13 | #ifndef _JFFS2_DEBUG_H_ | |
14 | #define _JFFS2_DEBUG_H_ | |
15 | ||
16 | #include <linux/config.h> | |
17 | ||
18 | #ifndef CONFIG_JFFS2_FS_DEBUG | |
f538c96b | 19 | #define CONFIG_JFFS2_FS_DEBUG 0 |
730554d9 AB |
20 | #endif |
21 | ||
e0c8e42f AB |
22 | #if CONFIG_JFFS2_FS_DEBUG == 1 |
23 | /* Enable "paranoia" checks and dumps */ | |
730554d9 | 24 | #define JFFS2_DBG_PARANOIA_CHECKS |
e0c8e42f AB |
25 | #define JFFS2_DBG_DUMPS |
26 | #define JFFS2_DBG_READINODE_MESSAGES | |
27 | #define JFFS2_DBG_FRAGTREE_MESSAGES | |
28 | #define JFFS2_DBG_DENTLIST_MESSAGES | |
29 | #define JFFS2_DBG_NODEREF_MESSAGES | |
30 | #define JFFS2_DBG_INOCACHE_MESSAGES | |
e631ddba | 31 | #define JFFS2_DBG_SUMMARY_MESSAGES |
e0c8e42f AB |
32 | #endif |
33 | ||
34 | #if CONFIG_JFFS2_FS_DEBUG == 2 | |
35 | #define JFFS2_DBG_FRAGTREE2_MESSAGES | |
36 | #endif | |
37 | ||
45ca1b50 | 38 | /* Sanity checks are supposed to be light-weight and enabled by default */ |
e0c8e42f AB |
39 | #define JFFS2_DBG_SANITY_CHECKS |
40 | ||
41 | /* | |
42 | * Dx() are mainly used for debugging messages, they must go away and be | |
43 | * superseded by nicer JFFS2_DBG_XXX() macros... | |
44 | */ | |
45 | #if CONFIG_JFFS2_FS_DEBUG > 0 | |
730554d9 AB |
46 | #define D1(x) x |
47 | #else | |
48 | #define D1(x) | |
49 | #endif | |
50 | ||
51 | #if CONFIG_JFFS2_FS_DEBUG > 1 | |
52 | #define D2(x) x | |
53 | #else | |
54 | #define D2(x) | |
55 | #endif | |
56 | ||
e0c8e42f AB |
57 | /* The prefixes of JFFS2 messages */ |
58 | #define JFFS2_DBG_MSG_PREFIX "[JFFS2 DBG]" | |
45ca1b50 AB |
59 | #define JFFS2_ERR_MSG_PREFIX "JFFS2 error:" |
60 | #define JFFS2_WARN_MSG_PREFIX "JFFS2 warning:" | |
61 | #define JFFS2_NOTICE_MSG_PREFIX "JFFS2 notice:" | |
730554d9 | 62 | |
e0c8e42f AB |
63 | #define JFFS2_ERR_LVL KERN_ERR |
64 | #define JFFS2_WARN_LVL KERN_WARNING | |
65 | #define JFFS2_NOTICE_LVL KERN_NOTICE | |
66 | #define JFFS2_DBG_LVL KERN_DEBUG | |
730554d9 | 67 | |
e0c8e42f AB |
68 | /* JFFS2 message macros */ |
69 | #define JFFS2_ERROR(fmt, ...) \ | |
70 | do { \ | |
45ca1b50 | 71 | printk(JFFS2_ERR_LVL JFFS2_ERR_MSG_PREFIX \ |
8d5df409 | 72 | " (%d) %s: " fmt, current->pid, \ |
45ca1b50 | 73 | __FUNCTION__, ##__VA_ARGS__); \ |
e0c8e42f | 74 | } while(0) |
730554d9 | 75 | |
e0c8e42f AB |
76 | #define JFFS2_WARNING(fmt, ...) \ |
77 | do { \ | |
45ca1b50 | 78 | printk(JFFS2_WARN_LVL JFFS2_WARN_MSG_PREFIX \ |
8d5df409 | 79 | " (%d) %s: " fmt, current->pid, \ |
45ca1b50 | 80 | __FUNCTION__, ##__VA_ARGS__); \ |
e0c8e42f AB |
81 | } while(0) |
82 | ||
83 | #define JFFS2_NOTICE(fmt, ...) \ | |
84 | do { \ | |
45ca1b50 | 85 | printk(JFFS2_NOTICE_LVL JFFS2_NOTICE_MSG_PREFIX \ |
8d5df409 | 86 | " (%d) %s: " fmt, current->pid, \ |
45ca1b50 | 87 | __FUNCTION__, ##__VA_ARGS__); \ |
e0c8e42f | 88 | } while(0) |
730554d9 | 89 | |
e0c8e42f AB |
90 | #define JFFS2_DEBUG(fmt, ...) \ |
91 | do { \ | |
45ca1b50 | 92 | printk(JFFS2_DBG_LVL JFFS2_DBG_MSG_PREFIX \ |
8d5df409 | 93 | " (%d) %s: " fmt, current->pid, \ |
45ca1b50 | 94 | __FUNCTION__, ##__VA_ARGS__); \ |
e0c8e42f AB |
95 | } while(0) |
96 | ||
97 | /* | |
98 | * We split our debugging messages on several parts, depending on the JFFS2 | |
99 | * subsystem the message belongs to. | |
100 | */ | |
101 | /* Read inode debugging messages */ | |
102 | #ifdef JFFS2_DBG_READINODE_MESSAGES | |
103 | #define JFFS2_DBG_READINODE(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) | |
104 | #else | |
105 | #define JFFS2_DBG_READINODE(fmt, ...) | |
730554d9 AB |
106 | #endif |
107 | ||
e0c8e42f AB |
108 | /* Fragtree build debugging messages */ |
109 | #ifdef JFFS2_DBG_FRAGTREE_MESSAGES | |
110 | #define JFFS2_DBG_FRAGTREE(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) | |
111 | #else | |
112 | #define JFFS2_DBG_FRAGTREE(fmt, ...) | |
113 | #endif | |
e0e3006f AB |
114 | #ifdef JFFS2_DBG_FRAGTREE2_MESSAGES |
115 | #define JFFS2_DBG_FRAGTREE2(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) | |
116 | #else | |
117 | #define JFFS2_DBG_FRAGTREE2(fmt, ...) | |
118 | #endif | |
e0c8e42f AB |
119 | |
120 | /* Directory entry list manilulation debugging messages */ | |
121 | #ifdef JFFS2_DBG_DENTLIST_MESSAGES | |
122 | #define JFFS2_DBG_DENTLIST(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) | |
123 | #else | |
124 | #define JFFS2_DBG_DENTLIST(fmt, ...) | |
125 | #endif | |
e0c8e42f | 126 | |
f538c96b | 127 | /* Print the messages about manipulating node_refs */ |
e0c8e42f AB |
128 | #ifdef JFFS2_DBG_NODEREF_MESSAGES |
129 | #define JFFS2_DBG_NODEREF(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) | |
130 | #else | |
131 | #define JFFS2_DBG_NODEREF(fmt, ...) | |
132 | #endif | |
730554d9 | 133 | |
f538c96b | 134 | /* Manipulations with the list of inodes (JFFS2 inocache) */ |
e0c8e42f AB |
135 | #ifdef JFFS2_DBG_INOCACHE_MESSAGES |
136 | #define JFFS2_DBG_INOCACHE(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) | |
137 | #else | |
138 | #define JFFS2_DBG_INOCACHE(fmt, ...) | |
139 | #endif | |
140 | ||
e631ddba FH |
141 | /* Summary debugging messages */ |
142 | #ifdef JFFS2_DBG_SUMMARY_MESSAGES | |
143 | #define JFFS2_DBG_SUMMARY(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) | |
144 | #else | |
145 | #define JFFS2_DBG_SUMMARY(fmt, ...) | |
146 | #endif | |
147 | ||
f538c96b AB |
148 | /* Watch the object allocations */ |
149 | #ifdef JFFS2_DBG_MEMALLOC_MESSAGES | |
150 | #define JFFS2_DBG_MEMALLOC(fmt, ...) JFFS2_DEBUG(fmt, ##__VA_ARGS__) | |
151 | #else | |
152 | #define JFFS2_DBG_MEMALLOC(fmt, ...) | |
153 | #endif | |
154 | ||
155 | ||
45ca1b50 AB |
156 | /* "Sanity" checks */ |
157 | void | |
158 | __jffs2_dbg_acct_sanity_check_nolock(struct jffs2_sb_info *c, | |
159 | struct jffs2_eraseblock *jeb); | |
160 | void | |
161 | __jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c, | |
162 | struct jffs2_eraseblock *jeb); | |
163 | ||
e0c8e42f AB |
164 | /* "Paranoia" checks */ |
165 | void | |
166 | __jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f); | |
730554d9 | 167 | void |
e0c8e42f AB |
168 | __jffs2_dbg_fragtree_paranoia_check_nolock(struct jffs2_inode_info *f); |
169 | void | |
170 | __jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c, | |
171 | struct jffs2_eraseblock *jeb); | |
172 | void | |
173 | __jffs2_dbg_acct_paranoia_check_nolock(struct jffs2_sb_info *c, | |
174 | struct jffs2_eraseblock *jeb); | |
175 | void | |
176 | __jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, | |
177 | uint32_t ofs, int len); | |
730554d9 | 178 | |
e0c8e42f AB |
179 | /* "Dump" functions */ |
180 | void | |
181 | __jffs2_dbg_dump_jeb(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb); | |
182 | void | |
183 | __jffs2_dbg_dump_jeb_nolock(struct jffs2_eraseblock *jeb); | |
184 | void | |
185 | __jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c); | |
186 | void | |
187 | __jffs2_dbg_dump_block_lists_nolock(struct jffs2_sb_info *c); | |
188 | void | |
189 | __jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, | |
190 | struct jffs2_eraseblock *jeb); | |
191 | void | |
192 | __jffs2_dbg_dump_node_refs_nolock(struct jffs2_sb_info *c, | |
193 | struct jffs2_eraseblock *jeb); | |
194 | void | |
195 | __jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f); | |
196 | void | |
197 | __jffs2_dbg_dump_fragtree_nolock(struct jffs2_inode_info *f); | |
730554d9 | 198 | void |
e0c8e42f AB |
199 | __jffs2_dbg_dump_buffer(unsigned char *buf, int len, uint32_t offs); |
200 | void | |
201 | __jffs2_dbg_dump_node(struct jffs2_sb_info *c, uint32_t ofs); | |
202 | ||
203 | #ifdef JFFS2_DBG_PARANOIA_CHECKS | |
204 | #define jffs2_dbg_fragtree_paranoia_check(f) \ | |
205 | __jffs2_dbg_fragtree_paranoia_check(f) | |
206 | #define jffs2_dbg_fragtree_paranoia_check_nolock(f) \ | |
207 | __jffs2_dbg_fragtree_paranoia_check_nolock(f) | |
208 | #define jffs2_dbg_acct_paranoia_check(c, jeb) \ | |
209 | __jffs2_dbg_acct_paranoia_check(c,jeb) | |
210 | #define jffs2_dbg_acct_paranoia_check_nolock(c, jeb) \ | |
211 | __jffs2_dbg_acct_paranoia_check_nolock(c,jeb) | |
212 | #define jffs2_dbg_prewrite_paranoia_check(c, ofs, len) \ | |
213 | __jffs2_dbg_prewrite_paranoia_check(c, ofs, len) | |
730554d9 AB |
214 | #else |
215 | #define jffs2_dbg_fragtree_paranoia_check(f) | |
e0c8e42f | 216 | #define jffs2_dbg_fragtree_paranoia_check_nolock(f) |
730554d9 | 217 | #define jffs2_dbg_acct_paranoia_check(c, jeb) |
e0c8e42f | 218 | #define jffs2_dbg_acct_paranoia_check_nolock(c, jeb) |
730554d9 AB |
219 | #define jffs2_dbg_prewrite_paranoia_check(c, ofs, len) |
220 | #endif /* !JFFS2_PARANOIA_CHECKS */ | |
221 | ||
e0c8e42f AB |
222 | #ifdef JFFS2_DBG_DUMPS |
223 | #define jffs2_dbg_dump_jeb(c, jeb) \ | |
224 | __jffs2_dbg_dump_jeb(c, jeb); | |
225 | #define jffs2_dbg_dump_jeb_nolock(jeb) \ | |
226 | __jffs2_dbg_dump_jeb_nolock(jeb); | |
227 | #define jffs2_dbg_dump_block_lists(c) \ | |
228 | __jffs2_dbg_dump_block_lists(c) | |
229 | #define jffs2_dbg_dump_block_lists_nolock(c) \ | |
230 | __jffs2_dbg_dump_block_lists_nolock(c) | |
231 | #define jffs2_dbg_dump_fragtree(f) \ | |
232 | __jffs2_dbg_dump_fragtree(f); | |
233 | #define jffs2_dbg_dump_fragtree_nolock(f) \ | |
234 | __jffs2_dbg_dump_fragtree_nolock(f); | |
235 | #define jffs2_dbg_dump_buffer(buf, len, offs) \ | |
236 | __jffs2_dbg_dump_buffer(*buf, len, offs); | |
237 | #define jffs2_dbg_dump_node(c, ofs) \ | |
238 | __jffs2_dbg_dump_node(c, ofs); | |
239 | #else | |
240 | #define jffs2_dbg_dump_jeb(c, jeb) | |
241 | #define jffs2_dbg_dump_jeb_nolock(jeb) | |
242 | #define jffs2_dbg_dump_block_lists(c) | |
243 | #define jffs2_dbg_dump_block_lists_nolock(c) | |
244 | #define jffs2_dbg_dump_fragtree(f) | |
245 | #define jffs2_dbg_dump_fragtree_nolock(f) | |
246 | #define jffs2_dbg_dump_buffer(buf, len, offs) | |
247 | #define jffs2_dbg_dump_node(c, ofs) | |
248 | #endif /* !JFFS2_DBG_DUMPS */ | |
249 | ||
730554d9 | 250 | #ifdef JFFS2_DBG_SANITY_CHECKS |
45ca1b50 AB |
251 | #define jffs2_dbg_acct_sanity_check(c, jeb) \ |
252 | __jffs2_dbg_acct_sanity_check(c, jeb) | |
253 | #define jffs2_dbg_acct_sanity_check_nolock(c, jeb) \ | |
254 | __jffs2_dbg_acct_sanity_check_nolock(c, jeb) | |
e0c8e42f AB |
255 | #else |
256 | #define jffs2_dbg_acct_sanity_check(c, jeb) | |
257 | #define jffs2_dbg_acct_sanity_check_nolock(c, jeb) | |
730554d9 AB |
258 | #endif /* !JFFS2_DBG_SANITY_CHECKS */ |
259 | ||
260 | #endif /* _JFFS2_DEBUG_H_ */ |