Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 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 | #ifdef CONFIG_UBIFS_FS_DEBUG |
| 27 | |
Artem Bityutskiy | 17c2f9f | 2008-10-17 13:31:39 +0300 | [diff] [blame^] | 28 | /** |
| 29 | * ubifs_debug_info - per-FS debugging information. |
| 30 | * @buf: a buffer of LEB size, used for various purposes |
| 31 | * @old_zroot: old index root - used by 'dbg_check_old_index()' |
| 32 | * @old_zroot_level: old index root level - used by 'dbg_check_old_index()' |
| 33 | * @old_zroot_sqnum: old index root sqnum - used by 'dbg_check_old_index()' |
| 34 | * @failure_mode: failure mode for recovery testing |
| 35 | * @fail_delay: 0=>don't delay, 1=>delay a time, 2=>delay a number of calls |
| 36 | * @fail_timeout: time in jiffies when delay of failure mode expires |
| 37 | * @fail_cnt: current number of calls to failure mode I/O functions |
| 38 | * @fail_cnt_max: number of calls by which to delay failure mode |
| 39 | * @chk_lpt_sz: used by LPT tree size checker |
| 40 | * @chk_lpt_sz2: used by LPT tree size checker |
| 41 | * @chk_lpt_wastage: used by LPT tree size checker |
| 42 | * @chk_lpt_lebs: used by LPT tree size checker |
| 43 | * @new_nhead_offs: used by LPT tree size checker |
| 44 | * @new_ihead_lnum: used by debugging to check ihead_lnum |
| 45 | * @new_ihead_offs: used by debugging to check ihead_offs |
| 46 | */ |
| 47 | struct ubifs_debug_info { |
| 48 | void *buf; |
| 49 | struct ubifs_zbranch old_zroot; |
| 50 | int old_zroot_level; |
| 51 | unsigned long long old_zroot_sqnum; |
| 52 | int failure_mode; |
| 53 | int fail_delay; |
| 54 | unsigned long fail_timeout; |
| 55 | unsigned int fail_cnt; |
| 56 | unsigned int fail_cnt_max; |
| 57 | long long chk_lpt_sz; |
| 58 | long long chk_lpt_sz2; |
| 59 | long long chk_lpt_wastage; |
| 60 | int chk_lpt_lebs; |
| 61 | int new_nhead_offs; |
| 62 | int new_ihead_lnum; |
| 63 | int new_ihead_offs; |
| 64 | }; |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 65 | |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 66 | #define ubifs_assert(expr) do { \ |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 67 | if (unlikely(!(expr))) { \ |
| 68 | printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \ |
| 69 | __func__, __LINE__, current->pid); \ |
| 70 | dbg_dump_stack(); \ |
| 71 | } \ |
| 72 | } while (0) |
| 73 | |
| 74 | #define ubifs_assert_cmt_locked(c) do { \ |
| 75 | if (unlikely(down_write_trylock(&(c)->commit_sem))) { \ |
| 76 | up_write(&(c)->commit_sem); \ |
| 77 | printk(KERN_CRIT "commit lock is not locked!\n"); \ |
| 78 | ubifs_assert(0); \ |
| 79 | } \ |
| 80 | } while (0) |
| 81 | |
| 82 | #define dbg_dump_stack() do { \ |
| 83 | if (!dbg_failure_mode) \ |
| 84 | dump_stack(); \ |
| 85 | } while (0) |
| 86 | |
| 87 | /* Generic debugging messages */ |
| 88 | #define dbg_msg(fmt, ...) do { \ |
| 89 | spin_lock(&dbg_lock); \ |
| 90 | printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", current->pid, \ |
| 91 | __func__, ##__VA_ARGS__); \ |
| 92 | spin_unlock(&dbg_lock); \ |
| 93 | } while (0) |
| 94 | |
| 95 | #define dbg_do_msg(typ, fmt, ...) do { \ |
| 96 | if (ubifs_msg_flags & typ) \ |
| 97 | dbg_msg(fmt, ##__VA_ARGS__); \ |
| 98 | } while (0) |
| 99 | |
| 100 | #define dbg_err(fmt, ...) do { \ |
| 101 | spin_lock(&dbg_lock); \ |
| 102 | ubifs_err(fmt, ##__VA_ARGS__); \ |
| 103 | spin_unlock(&dbg_lock); \ |
| 104 | } while (0) |
| 105 | |
| 106 | const char *dbg_key_str0(const struct ubifs_info *c, |
| 107 | const union ubifs_key *key); |
| 108 | const char *dbg_key_str1(const struct ubifs_info *c, |
| 109 | const union ubifs_key *key); |
| 110 | |
| 111 | /* |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 112 | * DBGKEY macros require @dbg_lock to be held, which it is in the dbg message |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 113 | * macros. |
| 114 | */ |
| 115 | #define DBGKEY(key) dbg_key_str0(c, (key)) |
| 116 | #define DBGKEY1(key) dbg_key_str1(c, (key)) |
| 117 | |
| 118 | /* General messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 119 | #define dbg_gen(fmt, ...) dbg_do_msg(UBIFS_MSG_GEN, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 120 | |
| 121 | /* Additional journal messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 122 | #define dbg_jnl(fmt, ...) dbg_do_msg(UBIFS_MSG_JNL, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 123 | |
| 124 | /* Additional TNC messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 125 | #define dbg_tnc(fmt, ...) dbg_do_msg(UBIFS_MSG_TNC, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 126 | |
| 127 | /* Additional lprops messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 128 | #define dbg_lp(fmt, ...) dbg_do_msg(UBIFS_MSG_LP, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 129 | |
| 130 | /* Additional LEB find messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 131 | #define dbg_find(fmt, ...) dbg_do_msg(UBIFS_MSG_FIND, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 132 | |
| 133 | /* Additional mount messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 134 | #define dbg_mnt(fmt, ...) dbg_do_msg(UBIFS_MSG_MNT, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 135 | |
| 136 | /* Additional I/O messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 137 | #define dbg_io(fmt, ...) dbg_do_msg(UBIFS_MSG_IO, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 138 | |
| 139 | /* Additional commit messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 140 | #define dbg_cmt(fmt, ...) dbg_do_msg(UBIFS_MSG_CMT, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 141 | |
| 142 | /* Additional budgeting messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 143 | #define dbg_budg(fmt, ...) dbg_do_msg(UBIFS_MSG_BUDG, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 144 | |
| 145 | /* Additional log messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 146 | #define dbg_log(fmt, ...) dbg_do_msg(UBIFS_MSG_LOG, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 147 | |
| 148 | /* Additional gc messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 149 | #define dbg_gc(fmt, ...) dbg_do_msg(UBIFS_MSG_GC, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 150 | |
| 151 | /* Additional scan messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 152 | #define dbg_scan(fmt, ...) dbg_do_msg(UBIFS_MSG_SCAN, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 153 | |
| 154 | /* Additional recovery messages */ |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 155 | #define dbg_rcvry(fmt, ...) dbg_do_msg(UBIFS_MSG_RCVRY, fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 156 | |
| 157 | /* |
| 158 | * Debugging message type flags (must match msg_type_names in debug.c). |
| 159 | * |
| 160 | * UBIFS_MSG_GEN: general messages |
| 161 | * UBIFS_MSG_JNL: journal messages |
| 162 | * UBIFS_MSG_MNT: mount messages |
| 163 | * UBIFS_MSG_CMT: commit messages |
| 164 | * UBIFS_MSG_FIND: LEB find messages |
| 165 | * UBIFS_MSG_BUDG: budgeting messages |
| 166 | * UBIFS_MSG_GC: garbage collection messages |
| 167 | * UBIFS_MSG_TNC: TNC messages |
| 168 | * UBIFS_MSG_LP: lprops messages |
| 169 | * UBIFS_MSG_IO: I/O messages |
| 170 | * UBIFS_MSG_LOG: log messages |
| 171 | * UBIFS_MSG_SCAN: scan messages |
| 172 | * UBIFS_MSG_RCVRY: recovery messages |
| 173 | */ |
| 174 | enum { |
| 175 | UBIFS_MSG_GEN = 0x1, |
| 176 | UBIFS_MSG_JNL = 0x2, |
| 177 | UBIFS_MSG_MNT = 0x4, |
| 178 | UBIFS_MSG_CMT = 0x8, |
| 179 | UBIFS_MSG_FIND = 0x10, |
| 180 | UBIFS_MSG_BUDG = 0x20, |
| 181 | UBIFS_MSG_GC = 0x40, |
| 182 | UBIFS_MSG_TNC = 0x80, |
| 183 | UBIFS_MSG_LP = 0x100, |
| 184 | UBIFS_MSG_IO = 0x200, |
| 185 | UBIFS_MSG_LOG = 0x400, |
| 186 | UBIFS_MSG_SCAN = 0x800, |
| 187 | UBIFS_MSG_RCVRY = 0x1000, |
| 188 | }; |
| 189 | |
| 190 | /* Debugging message type flags for each default debug message level */ |
| 191 | #define UBIFS_MSG_LVL_0 0 |
| 192 | #define UBIFS_MSG_LVL_1 0x1 |
| 193 | #define UBIFS_MSG_LVL_2 0x7f |
| 194 | #define UBIFS_MSG_LVL_3 0xffff |
| 195 | |
| 196 | /* |
| 197 | * Debugging check flags (must match chk_names in debug.c). |
| 198 | * |
| 199 | * UBIFS_CHK_GEN: general checks |
| 200 | * UBIFS_CHK_TNC: check TNC |
| 201 | * UBIFS_CHK_IDX_SZ: check index size |
| 202 | * UBIFS_CHK_ORPH: check orphans |
| 203 | * UBIFS_CHK_OLD_IDX: check the old index |
| 204 | * UBIFS_CHK_LPROPS: check lprops |
| 205 | * UBIFS_CHK_FS: check the file-system |
| 206 | */ |
| 207 | enum { |
| 208 | UBIFS_CHK_GEN = 0x1, |
| 209 | UBIFS_CHK_TNC = 0x2, |
| 210 | UBIFS_CHK_IDX_SZ = 0x4, |
| 211 | UBIFS_CHK_ORPH = 0x8, |
| 212 | UBIFS_CHK_OLD_IDX = 0x10, |
| 213 | UBIFS_CHK_LPROPS = 0x20, |
| 214 | UBIFS_CHK_FS = 0x40, |
| 215 | }; |
| 216 | |
| 217 | /* |
| 218 | * Special testing flags (must match tst_names in debug.c). |
| 219 | * |
| 220 | * UBIFS_TST_FORCE_IN_THE_GAPS: force the use of in-the-gaps method |
| 221 | * UBIFS_TST_RCVRY: failure mode for recovery testing |
| 222 | */ |
| 223 | enum { |
| 224 | UBIFS_TST_FORCE_IN_THE_GAPS = 0x2, |
| 225 | UBIFS_TST_RCVRY = 0x4, |
| 226 | }; |
| 227 | |
| 228 | #if CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 1 |
| 229 | #define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_1 |
| 230 | #elif CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 2 |
| 231 | #define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_2 |
| 232 | #elif CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 3 |
| 233 | #define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_3 |
| 234 | #else |
| 235 | #define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_0 |
| 236 | #endif |
| 237 | |
| 238 | #ifdef CONFIG_UBIFS_FS_DEBUG_CHKS |
| 239 | #define UBIFS_CHK_FLAGS_DEFAULT 0xffffffff |
| 240 | #else |
| 241 | #define UBIFS_CHK_FLAGS_DEFAULT 0 |
| 242 | #endif |
| 243 | |
| 244 | extern spinlock_t dbg_lock; |
| 245 | |
| 246 | extern unsigned int ubifs_msg_flags; |
| 247 | extern unsigned int ubifs_chk_flags; |
| 248 | extern unsigned int ubifs_tst_flags; |
| 249 | |
Artem Bityutskiy | 17c2f9f | 2008-10-17 13:31:39 +0300 | [diff] [blame^] | 250 | int ubifs_debugging_init(struct ubifs_info *c); |
| 251 | void ubifs_debugging_exit(struct ubifs_info *c); |
| 252 | |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 253 | /* Dump functions */ |
| 254 | |
| 255 | const char *dbg_ntype(int type); |
| 256 | const char *dbg_cstate(int cmt_state); |
| 257 | const char *dbg_get_key_dump(const struct ubifs_info *c, |
| 258 | const union ubifs_key *key); |
| 259 | void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode); |
| 260 | void dbg_dump_node(const struct ubifs_info *c, const void *node); |
| 261 | void dbg_dump_budget_req(const struct ubifs_budget_req *req); |
| 262 | void dbg_dump_lstats(const struct ubifs_lp_stats *lst); |
| 263 | void dbg_dump_budg(struct ubifs_info *c); |
| 264 | void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp); |
| 265 | void dbg_dump_lprops(struct ubifs_info *c); |
Adrian Hunter | 73944a6 | 2008-09-12 18:13:31 +0300 | [diff] [blame] | 266 | void dbg_dump_lpt_info(struct ubifs_info *c); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 267 | void dbg_dump_leb(const struct ubifs_info *c, int lnum); |
| 268 | void dbg_dump_znode(const struct ubifs_info *c, |
| 269 | const struct ubifs_znode *znode); |
| 270 | void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat); |
| 271 | void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode, |
| 272 | struct ubifs_nnode *parent, int iip); |
| 273 | void dbg_dump_tnc(struct ubifs_info *c); |
| 274 | void dbg_dump_index(struct ubifs_info *c); |
| 275 | |
| 276 | /* Checking helper functions */ |
| 277 | |
| 278 | typedef int (*dbg_leaf_callback)(struct ubifs_info *c, |
| 279 | struct ubifs_zbranch *zbr, void *priv); |
| 280 | typedef int (*dbg_znode_callback)(struct ubifs_info *c, |
| 281 | struct ubifs_znode *znode, void *priv); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 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 | |
| 287 | int dbg_check_lprops(struct ubifs_info *c); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 288 | int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot); |
| 289 | int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 290 | int dbg_check_cats(struct ubifs_info *c); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 291 | int dbg_check_ltab(struct ubifs_info *c); |
Adrian Hunter | 73944a6 | 2008-09-12 18:13:31 +0300 | [diff] [blame] | 292 | int dbg_chk_lpt_free_spc(struct ubifs_info *c); |
| 293 | int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 294 | int dbg_check_synced_i_size(struct inode *inode); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 295 | int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 296 | int dbg_check_tnc(struct ubifs_info *c, int extra); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 297 | int dbg_check_idx_size(struct ubifs_info *c, long long idx_size); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 298 | int dbg_check_filesystem(struct ubifs_info *c); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 299 | void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat, |
| 300 | int add_pos); |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 301 | int dbg_check_lprops(struct ubifs_info *c); |
| 302 | int dbg_check_lpt_nodes(struct ubifs_info *c, struct ubifs_cnode *cnode, |
| 303 | int row, int col); |
| 304 | |
| 305 | /* Force the use of in-the-gaps method for testing */ |
| 306 | |
| 307 | #define dbg_force_in_the_gaps_enabled \ |
| 308 | (ubifs_tst_flags & UBIFS_TST_FORCE_IN_THE_GAPS) |
| 309 | |
| 310 | int dbg_force_in_the_gaps(void); |
| 311 | |
| 312 | /* Failure mode for recovery testing */ |
| 313 | |
| 314 | #define dbg_failure_mode (ubifs_tst_flags & UBIFS_TST_RCVRY) |
| 315 | |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 316 | #ifndef UBIFS_DBG_PRESERVE_UBI |
| 317 | |
| 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 |
| 325 | |
| 326 | #endif |
| 327 | |
| 328 | int dbg_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset, |
| 329 | int len, int check); |
| 330 | int dbg_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf, |
| 331 | int offset, int len, int dtype); |
| 332 | int dbg_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf, |
| 333 | int len, int dtype); |
| 334 | int dbg_leb_erase(struct ubi_volume_desc *desc, int lnum); |
| 335 | int dbg_leb_unmap(struct ubi_volume_desc *desc, int lnum); |
| 336 | int dbg_is_mapped(struct ubi_volume_desc *desc, int lnum); |
| 337 | int dbg_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype); |
| 338 | |
| 339 | static inline int dbg_read(struct ubi_volume_desc *desc, int lnum, char *buf, |
| 340 | int offset, int len) |
| 341 | { |
| 342 | return dbg_leb_read(desc, lnum, buf, offset, len, 0); |
| 343 | } |
| 344 | |
| 345 | static inline int dbg_write(struct ubi_volume_desc *desc, int lnum, |
| 346 | const void *buf, int offset, int len) |
| 347 | { |
| 348 | return dbg_leb_write(desc, lnum, buf, offset, len, UBI_UNKNOWN); |
| 349 | } |
| 350 | |
| 351 | static inline int dbg_change(struct ubi_volume_desc *desc, int lnum, |
| 352 | const void *buf, int len) |
| 353 | { |
| 354 | return dbg_leb_change(desc, lnum, buf, len, UBI_UNKNOWN); |
| 355 | } |
| 356 | |
| 357 | #else /* !CONFIG_UBIFS_FS_DEBUG */ |
| 358 | |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 359 | /* Use "if (0)" to make compiler check arguments even if debugging is off */ |
| 360 | #define ubifs_assert(expr) do { \ |
| 361 | if (0 && (expr)) \ |
| 362 | printk(KERN_CRIT "UBIFS assert failed in %s at %u (pid %d)\n", \ |
| 363 | __func__, __LINE__, current->pid); \ |
| 364 | } while (0) |
| 365 | |
| 366 | #define dbg_err(fmt, ...) do { \ |
| 367 | if (0) \ |
| 368 | ubifs_err(fmt, ##__VA_ARGS__); \ |
| 369 | } while (0) |
| 370 | |
| 371 | #define dbg_msg(fmt, ...) do { \ |
| 372 | if (0) \ |
| 373 | printk(KERN_DEBUG "UBIFS DBG (pid %d): %s: " fmt "\n", \ |
| 374 | current->pid, __func__, ##__VA_ARGS__); \ |
| 375 | } while (0) |
| 376 | |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 377 | #define dbg_dump_stack() |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 378 | #define ubifs_assert_cmt_locked(c) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 379 | |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 380 | #define dbg_gen(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 381 | #define dbg_jnl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 382 | #define dbg_tnc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 383 | #define dbg_lp(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 384 | #define dbg_find(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 385 | #define dbg_mnt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 386 | #define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 387 | #define dbg_cmt(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 388 | #define dbg_budg(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 389 | #define dbg_log(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 390 | #define dbg_gc(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 391 | #define dbg_scan(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
| 392 | #define dbg_rcvry(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 393 | |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 394 | #define DBGKEY(key) ((char *)(key)) |
| 395 | #define DBGKEY1(key) ((char *)(key)) |
| 396 | |
Artem Bityutskiy | 17c2f9f | 2008-10-17 13:31:39 +0300 | [diff] [blame^] | 397 | #define ubifs_debugging_init(c) 0 |
| 398 | #define ubifs_debugging_exit(c) ({}) |
| 399 | |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 400 | #define dbg_ntype(type) "" |
| 401 | #define dbg_cstate(cmt_state) "" |
| 402 | #define dbg_get_key_dump(c, key) ({}) |
| 403 | #define dbg_dump_inode(c, inode) ({}) |
| 404 | #define dbg_dump_node(c, node) ({}) |
| 405 | #define dbg_dump_budget_req(req) ({}) |
| 406 | #define dbg_dump_lstats(lst) ({}) |
| 407 | #define dbg_dump_budg(c) ({}) |
| 408 | #define dbg_dump_lprop(c, lp) ({}) |
| 409 | #define dbg_dump_lprops(c) ({}) |
Adrian Hunter | 73944a6 | 2008-09-12 18:13:31 +0300 | [diff] [blame] | 410 | #define dbg_dump_lpt_info(c) ({}) |
Artem Bityutskiy | 840dc6b | 2008-08-01 18:13:37 +0300 | [diff] [blame] | 411 | #define dbg_dump_leb(c, lnum) ({}) |
| 412 | #define dbg_dump_znode(c, znode) ({}) |
| 413 | #define dbg_dump_heap(c, heap, cat) ({}) |
| 414 | #define dbg_dump_pnode(c, pnode, parent, iip) ({}) |
| 415 | #define dbg_dump_tnc(c) ({}) |
| 416 | #define dbg_dump_index(c) ({}) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 417 | |
| 418 | #define dbg_walk_index(c, leaf_cb, znode_cb, priv) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 419 | #define dbg_old_index_check_init(c, zroot) 0 |
| 420 | #define dbg_check_old_index(c, zroot) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 421 | #define dbg_check_cats(c) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 422 | #define dbg_check_ltab(c) 0 |
Adrian Hunter | 73944a6 | 2008-09-12 18:13:31 +0300 | [diff] [blame] | 423 | #define dbg_chk_lpt_free_spc(c) 0 |
| 424 | #define dbg_chk_lpt_sz(c, action, len) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 425 | #define dbg_check_synced_i_size(inode) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 426 | #define dbg_check_dir_size(c, dir) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 427 | #define dbg_check_tnc(c, x) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 428 | #define dbg_check_idx_size(c, idx_size) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 429 | #define dbg_check_filesystem(c) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 430 | #define dbg_check_heap(c, heap, cat, add_pos) ({}) |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 431 | #define dbg_check_lprops(c) 0 |
| 432 | #define dbg_check_lpt_nodes(c, cnode, row, col) 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 433 | #define dbg_force_in_the_gaps_enabled 0 |
| 434 | #define dbg_force_in_the_gaps() 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 435 | #define dbg_failure_mode 0 |
Artem Bityutskiy | 1e51764 | 2008-07-14 19:08:37 +0300 | [diff] [blame] | 436 | |
| 437 | #endif /* !CONFIG_UBIFS_FS_DEBUG */ |
| 438 | |
| 439 | #endif /* !__UBIFS_DEBUG_H__ */ |