fs/nfs/nfstrace.h

   1 /*
   2  * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
   3  */
   4 #undef TRACE_SYSTEM
   5 #define TRACE_SYSTEM nfs
   6
   7 #if !defined(_TRACE_NFS_H) || defined(TRACE_HEADER_MULTI_READ)
   8 #define _TRACE_NFS_H
   9
  10 #include <linux/tracepoint.h>
  11
  12 #define nfs_show_file_type(ftype) \
  13         __print_symbolic(ftype, \
  14                         { DT_UNKNOWN, "UNKNOWN" }, \
  15                         { DT_FIFO, "FIFO" }, \
  16                         { DT_CHR, "CHR" }, \
  17                         { DT_DIR, "DIR" }, \
  18                         { DT_BLK, "BLK" }, \
  19                         { DT_REG, "REG" }, \
  20                         { DT_LNK, "LNK" }, \
  21                         { DT_SOCK, "SOCK" }, \
  22                         { DT_WHT, "WHT" })
  23
  24 #define nfs_show_cache_validity(v) \
  25         __print_flags(v, "|", \
  26                         { NFS_INO_INVALID_ATTR, "INVALID_ATTR" }, \
  27                         { NFS_INO_INVALID_DATA, "INVALID_DATA" }, \
  28                         { NFS_INO_INVALID_ATIME, "INVALID_ATIME" }, \
  29                         { NFS_INO_INVALID_ACCESS, "INVALID_ACCESS" }, \
  30                         { NFS_INO_INVALID_ACL, "INVALID_ACL" }, \
  31                         { NFS_INO_REVAL_PAGECACHE, "REVAL_PAGECACHE" }, \
  32                         { NFS_INO_REVAL_FORCED, "REVAL_FORCED" }, \
  33                         { NFS_INO_INVALID_LABEL, "INVALID_LABEL" })
  34
  35 #define nfs_show_nfsi_flags(v) \
  36         __print_flags(v, "|", \
  37                         { 1 << NFS_INO_ADVISE_RDPLUS, "ADVISE_RDPLUS" }, \
  38                         { 1 << NFS_INO_STALE, "STALE" }, \
  39                         { 1 << NFS_INO_INVALIDATING, "INVALIDATING" }, \
  40                         { 1 << NFS_INO_FLUSHING, "FLUSHING" }, \
  41                         { 1 << NFS_INO_FSCACHE, "FSCACHE" }, \
  42                         { 1 << NFS_INO_COMMIT, "COMMIT" }, \
  43                         { 1 << NFS_INO_LAYOUTCOMMIT, "NEED_LAYOUTCOMMIT" }, \
  44                         { 1 << NFS_INO_LAYOUTCOMMITTING, "LAYOUTCOMMIT" })
  45
  46 DECLARE_EVENT_CLASS(nfs_inode_event,
  47                 TP_PROTO(
  48                         const struct inode *inode
  49                 ),
  50
  51                 TP_ARGS(inode),
  52
  53                 TP_STRUCT__entry(
  54                         __field(dev_t, dev)
  55                         __field(u32, fhandle)
  56                         __field(u64, fileid)
  57                         __field(u64, version)
  58                 ),
  59
  60                 TP_fast_assign(
  61                         const struct nfs_inode *nfsi = NFS_I(inode);
  62                         __entry->dev = inode->i_sb->s_dev;
  63                         __entry->fileid = nfsi->fileid;
  64                         __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
  65                         __entry->version = inode->i_version;
  66                 ),
  67
  68                 TP_printk(
  69                         "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu ",
  70                         MAJOR(__entry->dev), MINOR(__entry->dev),
  71                         (unsigned long long)__entry->fileid,
  72                         __entry->fhandle,
  73                         (unsigned long long)__entry->version
  74                 )
  75 );
  76
  77 DECLARE_EVENT_CLASS(nfs_inode_event_done,
  78                 TP_PROTO(
  79                         const struct inode *inode,
  80                         int error
  81                 ),
  82
  83                 TP_ARGS(inode, error),
  84
  85                 TP_STRUCT__entry(
  86                         __field(int, error)
  87                         __field(dev_t, dev)
  88                         __field(u32, fhandle)
  89                         __field(unsigned char, type)
  90                         __field(u64, fileid)
  91                         __field(u64, version)
  92                         __field(loff_t, size)
  93                         __field(unsigned long, nfsi_flags)
  94                         __field(unsigned long, cache_validity)
  95                 ),
  96
  97                 TP_fast_assign(
  98                         const struct nfs_inode *nfsi = NFS_I(inode);
  99                         __entry->error = error;
 100                         __entry->dev = inode->i_sb->s_dev;
 101                         __entry->fileid = nfsi->fileid;
 102                         __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
 103                         __entry->type = nfs_umode_to_dtype(inode->i_mode);
 104                         __entry->version = inode->i_version;
 105                         __entry->size = i_size_read(inode);
 106                         __entry->nfsi_flags = nfsi->flags;
 107                         __entry->cache_validity = nfsi->cache_validity;
 108                 ),
 109
 110                 TP_printk(
 111                         "error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
 112                         "type=%u (%s) version=%llu size=%lld "
 113                         "cache_validity=%lu (%s) nfs_flags=%ld (%s)",
 114                         __entry->error,
 115                         MAJOR(__entry->dev), MINOR(__entry->dev),
 116                         (unsigned long long)__entry->fileid,
 117                         __entry->fhandle,
 118                         __entry->type,
 119                         nfs_show_file_type(__entry->type),
 120                         (unsigned long long)__entry->version,
 121                         (long long)__entry->size,
 122                         __entry->cache_validity,
 123                         nfs_show_cache_validity(__entry->cache_validity),
 124                         __entry->nfsi_flags,
 125                         nfs_show_nfsi_flags(__entry->nfsi_flags)
 126                 )
 127 );
 128
 129 #define DEFINE_NFS_INODE_EVENT(name) \
 130         DEFINE_EVENT(nfs_inode_event, name, \
 131                         TP_PROTO( \
 132                                 const struct inode *inode \
 133                         ), \
 134                         TP_ARGS(inode))
 135 #define DEFINE_NFS_INODE_EVENT_DONE(name) \
 136         DEFINE_EVENT(nfs_inode_event_done, name, \
 137                         TP_PROTO( \
 138                                 const struct inode *inode, \
 139                                 int error \
 140                         ), \
 141                         TP_ARGS(inode, error))
 142 DEFINE_NFS_INODE_EVENT(nfs_refresh_inode_enter);
 143 DEFINE_NFS_INODE_EVENT_DONE(nfs_refresh_inode_exit);
 144 DEFINE_NFS_INODE_EVENT(nfs_revalidate_inode_enter);
 145 DEFINE_NFS_INODE_EVENT_DONE(nfs_revalidate_inode_exit);
 146 DEFINE_NFS_INODE_EVENT(nfs_invalidate_mapping_enter);
 147 DEFINE_NFS_INODE_EVENT_DONE(nfs_invalidate_mapping_exit);
 148 DEFINE_NFS_INODE_EVENT(nfs_getattr_enter);
 149 DEFINE_NFS_INODE_EVENT_DONE(nfs_getattr_exit);
 150 DEFINE_NFS_INODE_EVENT(nfs_setattr_enter);
 151 DEFINE_NFS_INODE_EVENT_DONE(nfs_setattr_exit);
 152 DEFINE_NFS_INODE_EVENT(nfs_writeback_page_enter);
 153 DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_page_exit);
 154 DEFINE_NFS_INODE_EVENT(nfs_writeback_inode_enter);
 155 DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_inode_exit);
 156 DEFINE_NFS_INODE_EVENT(nfs_fsync_enter);
 157 DEFINE_NFS_INODE_EVENT_DONE(nfs_fsync_exit);
 158 DEFINE_NFS_INODE_EVENT(nfs_access_enter);
 159 DEFINE_NFS_INODE_EVENT_DONE(nfs_access_exit);
 160
 161 #define show_lookup_flags(flags) \
 162         __print_flags((unsigned long)flags, "|", \
 163                         { LOOKUP_AUTOMOUNT, "AUTOMOUNT" }, \
 164                         { LOOKUP_DIRECTORY, "DIRECTORY" }, \
 165                         { LOOKUP_OPEN, "OPEN" }, \
 166                         { LOOKUP_CREATE, "CREATE" }, \
 167                         { LOOKUP_EXCL, "EXCL" })
 168
 169 DECLARE_EVENT_CLASS(nfs_lookup_event,
 170                 TP_PROTO(
 171                         const struct inode *dir,
 172                         const struct dentry *dentry,
 173                         unsigned int flags
 174                 ),
 175
 176                 TP_ARGS(dir, dentry, flags),
 177
 178                 TP_STRUCT__entry(
 179                         __field(unsigned int, flags)
 180                         __field(dev_t, dev)
 181                         __field(u64, dir)
 182                         __string(name, dentry->d_name.name)
 183                 ),
 184
 185                 TP_fast_assign(
 186                         __entry->dev = dir->i_sb->s_dev;
 187                         __entry->dir = NFS_FILEID(dir);
 188                         __entry->flags = flags;
 189                         __assign_str(name, dentry->d_name.name);
 190                 ),
 191
 192                 TP_printk(
 193                         "flags=%u (%s) name=%02x:%02x:%llu/%s",
 194                         __entry->flags,
 195                         show_lookup_flags(__entry->flags),
 196                         MAJOR(__entry->dev), MINOR(__entry->dev),
 197                         (unsigned long long)__entry->dir,
 198                         __get_str(name)
 199                 )
 200 );
 201
 202 #define DEFINE_NFS_LOOKUP_EVENT(name) \
 203         DEFINE_EVENT(nfs_lookup_event, name, \
 204                         TP_PROTO( \
 205                                 const struct inode *dir, \
 206                                 const struct dentry *dentry, \
 207                                 unsigned int flags \
 208                         ), \
 209                         TP_ARGS(dir, dentry, flags))
 210
 211 DECLARE_EVENT_CLASS(nfs_lookup_event_done,
 212                 TP_PROTO(
 213                         const struct inode *dir,
 214                         const struct dentry *dentry,
 215                         unsigned int flags,
 216                         int error
 217                 ),
 218
 219                 TP_ARGS(dir, dentry, flags, error),
 220
 221                 TP_STRUCT__entry(
 222                         __field(int, error)
 223                         __field(unsigned int, flags)
 224                         __field(dev_t, dev)
 225                         __field(u64, dir)
 226                         __string(name, dentry->d_name.name)
 227                 ),
 228
 229                 TP_fast_assign(
 230                         __entry->dev = dir->i_sb->s_dev;
 231                         __entry->dir = NFS_FILEID(dir);
 232                         __entry->error = error;
 233                         __entry->flags = flags;
 234                         __assign_str(name, dentry->d_name.name);
 235                 ),
 236
 237                 TP_printk(
 238                         "error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
 239                         __entry->error,
 240                         __entry->flags,
 241                         show_lookup_flags(__entry->flags),
 242                         MAJOR(__entry->dev), MINOR(__entry->dev),
 243                         (unsigned long long)__entry->dir,
 244                         __get_str(name)
 245                 )
 246 );
 247
 248 #define DEFINE_NFS_LOOKUP_EVENT_DONE(name) \
 249         DEFINE_EVENT(nfs_lookup_event_done, name, \
 250                         TP_PROTO( \
 251                                 const struct inode *dir, \
 252                                 const struct dentry *dentry, \
 253                                 unsigned int flags, \
 254                                 int error \
 255                         ), \
 256                         TP_ARGS(dir, dentry, flags, error))
 257
 258 DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_enter);
 259 DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit);
 260 DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter);
 261 DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit);
 262
 263 #define show_open_flags(flags) \
 264         __print_flags((unsigned long)flags, "|", \
 265                 { O_CREAT, "O_CREAT" }, \
 266                 { O_EXCL, "O_EXCL" }, \
 267                 { O_TRUNC, "O_TRUNC" }, \
 268                 { O_APPEND, "O_APPEND" }, \
 269                 { O_DSYNC, "O_DSYNC" }, \
 270                 { O_DIRECT, "O_DIRECT" }, \
 271                 { O_DIRECTORY, "O_DIRECTORY" })
 272
 273 #define show_fmode_flags(mode) \
 274         __print_flags(mode, "|", \
 275                 { ((__force unsigned long)FMODE_READ), "READ" }, \
 276                 { ((__force unsigned long)FMODE_WRITE), "WRITE" }, \
 277                 { ((__force unsigned long)FMODE_EXEC), "EXEC" })
 278
 279 TRACE_EVENT(nfs_atomic_open_enter,
 280                 TP_PROTO(
 281                         const struct inode *dir,
 282                         const struct nfs_open_context *ctx,
 283                         unsigned int flags
 284                 ),
 285
 286                 TP_ARGS(dir, ctx, flags),
 287
 288                 TP_STRUCT__entry(
 289                         __field(unsigned int, flags)
 290                         __field(unsigned int, fmode)
 291                         __field(dev_t, dev)
 292                         __field(u64, dir)
 293                         __string(name, ctx->dentry->d_name.name)
 294                 ),
 295
 296                 TP_fast_assign(
 297                         __entry->dev = dir->i_sb->s_dev;
 298                         __entry->dir = NFS_FILEID(dir);
 299                         __entry->flags = flags;
 300                         __entry->fmode = (__force unsigned int)ctx->mode;
 301                         __assign_str(name, ctx->dentry->d_name.name);
 302                 ),
 303
 304                 TP_printk(
 305                         "flags=%u (%s) fmode=%s name=%02x:%02x:%llu/%s",
 306                         __entry->flags,
 307                         show_open_flags(__entry->flags),
 308                         show_fmode_flags(__entry->fmode),
 309                         MAJOR(__entry->dev), MINOR(__entry->dev),
 310                         (unsigned long long)__entry->dir,
 311                         __get_str(name)
 312                 )
 313 );
 314
 315 TRACE_EVENT(nfs_atomic_open_exit,
 316                 TP_PROTO(
 317                         const struct inode *dir,
 318                         const struct nfs_open_context *ctx,
 319                         unsigned int flags,
 320                         int error
 321                 ),
 322
 323                 TP_ARGS(dir, ctx, flags, error),
 324
 325                 TP_STRUCT__entry(
 326                         __field(int, error)
 327                         __field(unsigned int, flags)
 328                         __field(unsigned int, fmode)
 329                         __field(dev_t, dev)
 330                         __field(u64, dir)
 331                         __string(name, ctx->dentry->d_name.name)
 332                 ),
 333
 334                 TP_fast_assign(
 335                         __entry->error = error;
 336                         __entry->dev = dir->i_sb->s_dev;
 337                         __entry->dir = NFS_FILEID(dir);
 338                         __entry->flags = flags;
 339                         __entry->fmode = (__force unsigned int)ctx->mode;
 340                         __assign_str(name, ctx->dentry->d_name.name);
 341                 ),
 342
 343                 TP_printk(
 344                         "error=%d flags=%u (%s) fmode=%s "
 345                         "name=%02x:%02x:%llu/%s",
 346                         __entry->error,
 347                         __entry->flags,
 348                         show_open_flags(__entry->flags),
 349                         show_fmode_flags(__entry->fmode),
 350                         MAJOR(__entry->dev), MINOR(__entry->dev),
 351                         (unsigned long long)__entry->dir,
 352                         __get_str(name)
 353                 )
 354 );
 355
 356 TRACE_EVENT(nfs_create_enter,
 357                 TP_PROTO(
 358                         const struct inode *dir,
 359                         const struct dentry *dentry,
 360                         unsigned int flags
 361                 ),
 362
 363                 TP_ARGS(dir, dentry, flags),
 364
 365                 TP_STRUCT__entry(
 366                         __field(unsigned int, flags)
 367                         __field(dev_t, dev)
 368                         __field(u64, dir)
 369                         __string(name, dentry->d_name.name)
 370                 ),
 371
 372                 TP_fast_assign(
 373                         __entry->dev = dir->i_sb->s_dev;
 374                         __entry->dir = NFS_FILEID(dir);
 375                         __entry->flags = flags;
 376                         __assign_str(name, dentry->d_name.name);
 377                 ),
 378
 379                 TP_printk(
 380                         "flags=%u (%s) name=%02x:%02x:%llu/%s",
 381                         __entry->flags,
 382                         show_open_flags(__entry->flags),
 383                         MAJOR(__entry->dev), MINOR(__entry->dev),
 384                         (unsigned long long)__entry->dir,
 385                         __get_str(name)
 386                 )
 387 );
 388
 389 TRACE_EVENT(nfs_create_exit,
 390                 TP_PROTO(
 391                         const struct inode *dir,
 392                         const struct dentry *dentry,
 393                         unsigned int flags,
 394                         int error
 395                 ),
 396
 397                 TP_ARGS(dir, dentry, flags, error),
 398
 399                 TP_STRUCT__entry(
 400                         __field(int, error)
 401                         __field(unsigned int, flags)
 402                         __field(dev_t, dev)
 403                         __field(u64, dir)
 404                         __string(name, dentry->d_name.name)
 405                 ),
 406
 407                 TP_fast_assign(
 408                         __entry->error = error;
 409                         __entry->dev = dir->i_sb->s_dev;
 410                         __entry->dir = NFS_FILEID(dir);
 411                         __entry->flags = flags;
 412                         __assign_str(name, dentry->d_name.name);
 413                 ),
 414
 415                 TP_printk(
 416                         "error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
 417                         __entry->error,
 418                         __entry->flags,
 419                         show_open_flags(__entry->flags),
 420                         MAJOR(__entry->dev), MINOR(__entry->dev),
 421                         (unsigned long long)__entry->dir,
 422                         __get_str(name)
 423                 )
 424 );
 425
 426 DECLARE_EVENT_CLASS(nfs_directory_event,
 427                 TP_PROTO(
 428                         const struct inode *dir,
 429                         const struct dentry *dentry
 430                 ),
 431
 432                 TP_ARGS(dir, dentry),
 433
 434                 TP_STRUCT__entry(
 435                         __field(dev_t, dev)
 436                         __field(u64, dir)
 437                         __string(name, dentry->d_name.name)
 438                 ),
 439
 440                 TP_fast_assign(
 441                         __entry->dev = dir->i_sb->s_dev;
 442                         __entry->dir = NFS_FILEID(dir);
 443                         __assign_str(name, dentry->d_name.name);
 444                 ),
 445
 446                 TP_printk(
 447                         "name=%02x:%02x:%llu/%s",
 448                         MAJOR(__entry->dev), MINOR(__entry->dev),
 449                         (unsigned long long)__entry->dir,
 450                         __get_str(name)
 451                 )
 452 );
 453
 454 #define DEFINE_NFS_DIRECTORY_EVENT(name) \
 455         DEFINE_EVENT(nfs_directory_event, name, \
 456                         TP_PROTO( \
 457                                 const struct inode *dir, \
 458                                 const struct dentry *dentry \
 459                         ), \
 460                         TP_ARGS(dir, dentry))
 461
 462 DECLARE_EVENT_CLASS(nfs_directory_event_done,
 463                 TP_PROTO(
 464                         const struct inode *dir,
 465                         const struct dentry *dentry,
 466                         int error
 467                 ),
 468
 469                 TP_ARGS(dir, dentry, error),
 470
 471                 TP_STRUCT__entry(
 472                         __field(int, error)
 473                         __field(dev_t, dev)
 474                         __field(u64, dir)
 475                         __string(name, dentry->d_name.name)
 476                 ),
 477
 478                 TP_fast_assign(
 479                         __entry->dev = dir->i_sb->s_dev;
 480                         __entry->dir = NFS_FILEID(dir);
 481                         __entry->error = error;
 482                         __assign_str(name, dentry->d_name.name);
 483                 ),
 484
 485                 TP_printk(
 486                         "error=%d name=%02x:%02x:%llu/%s",
 487                         __entry->error,
 488                         MAJOR(__entry->dev), MINOR(__entry->dev),
 489                         (unsigned long long)__entry->dir,
 490                         __get_str(name)
 491                 )
 492 );
 493
 494 #define DEFINE_NFS_DIRECTORY_EVENT_DONE(name) \
 495         DEFINE_EVENT(nfs_directory_event_done, name, \
 496                         TP_PROTO( \
 497                                 const struct inode *dir, \
 498                                 const struct dentry *dentry, \
 499                                 int error \
 500                         ), \
 501                         TP_ARGS(dir, dentry, error))
 502
 503 DEFINE_NFS_DIRECTORY_EVENT(nfs_mknod_enter);
 504 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mknod_exit);
 505 DEFINE_NFS_DIRECTORY_EVENT(nfs_mkdir_enter);
 506 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mkdir_exit);
 507 DEFINE_NFS_DIRECTORY_EVENT(nfs_rmdir_enter);
 508 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_rmdir_exit);
 509 DEFINE_NFS_DIRECTORY_EVENT(nfs_remove_enter);
 510 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_remove_exit);
 511 DEFINE_NFS_DIRECTORY_EVENT(nfs_unlink_enter);
 512 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_unlink_exit);
 513 DEFINE_NFS_DIRECTORY_EVENT(nfs_symlink_enter);
 514 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_symlink_exit);
 515
 516 TRACE_EVENT(nfs_link_enter,
 517                 TP_PROTO(
 518                         const struct inode *inode,
 519                         const struct inode *dir,
 520                         const struct dentry *dentry
 521                 ),
 522
 523                 TP_ARGS(inode, dir, dentry),
 524
 525                 TP_STRUCT__entry(
 526                         __field(dev_t, dev)
 527                         __field(u64, fileid)
 528                         __field(u64, dir)
 529                         __string(name, dentry->d_name.name)
 530                 ),
 531
 532                 TP_fast_assign(
 533                         __entry->dev = inode->i_sb->s_dev;
 534                         __entry->fileid = NFS_FILEID(inode);
 535                         __entry->dir = NFS_FILEID(dir);
 536                         __assign_str(name, dentry->d_name.name);
 537                 ),
 538
 539                 TP_printk(
 540                         "fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
 541                         MAJOR(__entry->dev), MINOR(__entry->dev),
 542                         __entry->fileid,
 543                         MAJOR(__entry->dev), MINOR(__entry->dev),
 544                         (unsigned long long)__entry->dir,
 545                         __get_str(name)
 546                 )
 547 );
 548
 549 TRACE_EVENT(nfs_link_exit,
 550                 TP_PROTO(
 551                         const struct inode *inode,
 552                         const struct inode *dir,
 553                         const struct dentry *dentry,
 554                         int error
 555                 ),
 556
 557                 TP_ARGS(inode, dir, dentry, error),
 558
 559                 TP_STRUCT__entry(
 560                         __field(int, error)
 561                         __field(dev_t, dev)
 562                         __field(u64, fileid)
 563                         __field(u64, dir)
 564                         __string(name, dentry->d_name.name)
 565                 ),
 566
 567                 TP_fast_assign(
 568                         __entry->dev = inode->i_sb->s_dev;
 569                         __entry->fileid = NFS_FILEID(inode);
 570                         __entry->dir = NFS_FILEID(dir);
 571                         __entry->error = error;
 572                         __assign_str(name, dentry->d_name.name);
 573                 ),
 574
 575                 TP_printk(
 576                         "error=%d fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
 577                         __entry->error,
 578                         MAJOR(__entry->dev), MINOR(__entry->dev),
 579                         __entry->fileid,
 580                         MAJOR(__entry->dev), MINOR(__entry->dev),
 581                         (unsigned long long)__entry->dir,
 582                         __get_str(name)
 583                 )
 584 );
 585
 586 DECLARE_EVENT_CLASS(nfs_rename_event,
 587                 TP_PROTO(
 588                         const struct inode *old_dir,
 589                         const struct dentry *old_dentry,
 590                         const struct inode *new_dir,
 591                         const struct dentry *new_dentry
 592                 ),
 593
 594                 TP_ARGS(old_dir, old_dentry, new_dir, new_dentry),
 595
 596                 TP_STRUCT__entry(
 597                         __field(dev_t, dev)
 598                         __field(u64, old_dir)
 599                         __field(u64, new_dir)
 600                         __string(old_name, old_dentry->d_name.name)
 601                         __string(new_name, new_dentry->d_name.name)
 602                 ),
 603
 604                 TP_fast_assign(
 605                         __entry->dev = old_dir->i_sb->s_dev;
 606                         __entry->old_dir = NFS_FILEID(old_dir);
 607                         __entry->new_dir = NFS_FILEID(new_dir);
 608                         __assign_str(old_name, old_dentry->d_name.name);
 609                         __assign_str(new_name, new_dentry->d_name.name);
 610                 ),
 611
 612                 TP_printk(
 613                         "old_name=%02x:%02x:%llu/%s new_name=%02x:%02x:%llu/%s",
 614                         MAJOR(__entry->dev), MINOR(__entry->dev),
 615                         (unsigned long long)__entry->old_dir,
 616                         __get_str(old_name),
 617                         MAJOR(__entry->dev), MINOR(__entry->dev),
 618                         (unsigned long long)__entry->new_dir,
 619                         __get_str(new_name)
 620                 )
 621 );
 622 #define DEFINE_NFS_RENAME_EVENT(name) \
 623         DEFINE_EVENT(nfs_rename_event, name, \
 624                         TP_PROTO( \
 625                                 const struct inode *old_dir, \
 626                                 const struct dentry *old_dentry, \
 627                                 const struct inode *new_dir, \
 628                                 const struct dentry *new_dentry \
 629                         ), \
 630                         TP_ARGS(old_dir, old_dentry, new_dir, new_dentry))
 631
 632 DECLARE_EVENT_CLASS(nfs_rename_event_done,
 633                 TP_PROTO(
 634                         const struct inode *old_dir,
 635                         const struct dentry *old_dentry,
 636                         const struct inode *new_dir,
 637                         const struct dentry *new_dentry,
 638                         int error
 639                 ),
 640
 641                 TP_ARGS(old_dir, old_dentry, new_dir, new_dentry, error),
 642
 643                 TP_STRUCT__entry(
 644                         __field(dev_t, dev)
 645                         __field(int, error)
 646                         __field(u64, old_dir)
 647                         __string(old_name, old_dentry->d_name.name)
 648                         __field(u64, new_dir)
 649                         __string(new_name, new_dentry->d_name.name)
 650                 ),
 651
 652                 TP_fast_assign(
 653                         __entry->dev = old_dir->i_sb->s_dev;
 654                         __entry->old_dir = NFS_FILEID(old_dir);
 655                         __entry->new_dir = NFS_FILEID(new_dir);
 656                         __entry->error = error;
 657                         __assign_str(old_name, old_dentry->d_name.name);
 658                         __assign_str(new_name, new_dentry->d_name.name);
 659                 ),
 660
 661                 TP_printk(
 662                         "error=%d old_name=%02x:%02x:%llu/%s "
 663                         "new_name=%02x:%02x:%llu/%s",
 664                         __entry->error,
 665                         MAJOR(__entry->dev), MINOR(__entry->dev),
 666                         (unsigned long long)__entry->old_dir,
 667                         __get_str(old_name),
 668                         MAJOR(__entry->dev), MINOR(__entry->dev),
 669                         (unsigned long long)__entry->new_dir,
 670                         __get_str(new_name)
 671                 )
 672 );
 673 #define DEFINE_NFS_RENAME_EVENT_DONE(name) \
 674         DEFINE_EVENT(nfs_rename_event_done, name, \
 675                         TP_PROTO( \
 676                                 const struct inode *old_dir, \
 677                                 const struct dentry *old_dentry, \
 678                                 const struct inode *new_dir, \
 679                                 const struct dentry *new_dentry, \
 680                                 int error \
 681                         ), \
 682                         TP_ARGS(old_dir, old_dentry, new_dir, \
 683                                 new_dentry, error))
 684
 685 DEFINE_NFS_RENAME_EVENT(nfs_rename_enter);
 686 DEFINE_NFS_RENAME_EVENT_DONE(nfs_rename_exit);
 687
 688 DEFINE_NFS_RENAME_EVENT_DONE(nfs_sillyrename_rename);
 689
 690 TRACE_EVENT(nfs_sillyrename_unlink,
 691                 TP_PROTO(
 692                         const struct nfs_unlinkdata *data,
 693                         int error
 694                 ),
 695
 696                 TP_ARGS(data, error),
 697
 698                 TP_STRUCT__entry(
 699                         __field(dev_t, dev)
 700                         __field(int, error)
 701                         __field(u64, dir)
 702                         __dynamic_array(char, name, data->args.name.len + 1)
 703                 ),
 704
 705                 TP_fast_assign(
 706                         struct inode *dir = data->dir;
 707                         size_t len = data->args.name.len;
 708                         __entry->dev = dir->i_sb->s_dev;
 709                         __entry->dir = NFS_FILEID(dir);
 710                         __entry->error = error;
 711                         memcpy(__get_dynamic_array(name),
 712                                 data->args.name.name, len);
 713                         ((char *)__get_dynamic_array(name))[len] = 0;
 714                 ),
 715
 716                 TP_printk(
 717                         "error=%d name=%02x:%02x:%llu/%s",
 718                         __entry->error,
 719                         MAJOR(__entry->dev), MINOR(__entry->dev),
 720                         (unsigned long long)__entry->dir,
 721                         __get_str(name)
 722                 )
 723 );
 724 #endif /* _TRACE_NFS_H */
 725
 726 #undef TRACE_INCLUDE_PATH
 727 #define TRACE_INCLUDE_PATH .
 728 #define TRACE_INCLUDE_FILE nfstrace
 729 /* This part must be outside protection */
 730 #include <trace/define_trace.h>