fs/gfs2/trace_gfs2.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM gfs2
   4
   5 #if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_GFS2_H
   7
   8 #include <linux/tracepoint.h>
   9
  10 #include <linux/fs.h>
  11 #include <linux/buffer_head.h>
  12 #include <linux/dlmconstants.h>
  13 #include <linux/gfs2_ondisk.h>
  14 #include <linux/writeback.h>
  15 #include <linux/ktime.h>
  16 #include "incore.h"
  17 #include "glock.h"
  18 #include "rgrp.h"
  19
  20 #define dlm_state_name(nn) { DLM_LOCK_##nn, #nn }
  21 #define glock_trace_name(x) __print_symbolic(x,         \
  22                             dlm_state_name(IV),         \
  23                             dlm_state_name(NL),         \
  24                             dlm_state_name(CR),         \
  25                             dlm_state_name(CW),         \
  26                             dlm_state_name(PR),         \
  27                             dlm_state_name(PW),         \
  28                             dlm_state_name(EX))
  29
  30 #define block_state_name(x) __print_symbolic(x,                 \
  31                             { GFS2_BLKST_FREE, "free" },        \
  32                             { GFS2_BLKST_USED, "used" },        \
  33                             { GFS2_BLKST_DINODE, "dinode" },    \
  34                             { GFS2_BLKST_UNLINKED, "unlinked" })
  35
  36 #define TRACE_RS_DELETE  0
  37 #define TRACE_RS_TREEDEL 1
  38 #define TRACE_RS_INSERT  2
  39 #define TRACE_RS_CLAIM   3
  40
  41 #define rs_func_name(x) __print_symbolic(x,     \
  42                                          { 0, "del " }, \
  43                                          { 1, "tdel" }, \
  44                                          { 2, "ins " }, \
  45                                          { 3, "clm " })
  46
  47 #define show_glock_flags(flags) __print_flags(flags, "",        \
  48         {(1UL << GLF_LOCK),                     "l" },          \
  49         {(1UL << GLF_DEMOTE),                   "D" },          \
  50         {(1UL << GLF_PENDING_DEMOTE),           "d" },          \
  51         {(1UL << GLF_DEMOTE_IN_PROGRESS),       "p" },          \
  52         {(1UL << GLF_DIRTY),                    "y" },          \
  53         {(1UL << GLF_LFLUSH),                   "f" },          \
  54         {(1UL << GLF_INVALIDATE_IN_PROGRESS),   "i" },          \
  55         {(1UL << GLF_REPLY_PENDING),            "r" },          \
  56         {(1UL << GLF_INITIAL),                  "I" },          \
  57         {(1UL << GLF_FROZEN),                   "F" },          \
  58         {(1UL << GLF_QUEUED),                   "q" },          \
  59         {(1UL << GLF_LRU),                      "L" },          \
  60         {(1UL << GLF_OBJECT),                   "o" },          \
  61         {(1UL << GLF_BLOCKING),                 "b" })
  62
  63 #ifndef NUMPTY
  64 #define NUMPTY
  65 static inline u8 glock_trace_state(unsigned int state)
  66 {
  67         switch(state) {
  68         case LM_ST_SHARED:
  69                 return DLM_LOCK_PR;
  70         case LM_ST_DEFERRED:
  71                 return DLM_LOCK_CW;
  72         case LM_ST_EXCLUSIVE:
  73                 return DLM_LOCK_EX;
  74         }
  75         return DLM_LOCK_NL;
  76 }
  77 #endif
  78
  79 /* Section 1 - Locking
  80  *
  81  * Objectives:
  82  * Latency: Remote demote request to state change
  83  * Latency: Local lock request to state change
  84  * Latency: State change to lock grant
  85  * Correctness: Ordering of local lock state vs. I/O requests
  86  * Correctness: Responses to remote demote requests
  87  */
  88
  89 /* General glock state change (DLM lock request completes) */
  90 TRACE_EVENT(gfs2_glock_state_change,
  91
  92         TP_PROTO(const struct gfs2_glock *gl, unsigned int new_state),
  93
  94         TP_ARGS(gl, new_state),
  95
  96         TP_STRUCT__entry(
  97                 __field(        dev_t,  dev                     )
  98                 __field(        u64,    glnum                   )
  99                 __field(        u32,    gltype                  )
 100                 __field(        u8,     cur_state               )
 101                 __field(        u8,     new_state               )
 102                 __field(        u8,     dmt_state               )
 103                 __field(        u8,     tgt_state               )
 104                 __field(        unsigned long,  flags           )
 105         ),
 106
 107         TP_fast_assign(
 108                 __entry->dev            = gl->gl_name.ln_sbd->sd_vfs->s_dev;
 109                 __entry->glnum          = gl->gl_name.ln_number;
 110                 __entry->gltype         = gl->gl_name.ln_type;
 111                 __entry->cur_state      = glock_trace_state(gl->gl_state);
 112                 __entry->new_state      = glock_trace_state(new_state);
 113                 __entry->tgt_state      = glock_trace_state(gl->gl_target);
 114                 __entry->dmt_state      = glock_trace_state(gl->gl_demote_state);
 115                 __entry->flags          = gl->gl_flags | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
 116         ),
 117
 118         TP_printk("%u,%u glock %d:%lld state %s to %s tgt:%s dmt:%s flags:%s",
 119                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
 120                  (unsigned long long)__entry->glnum,
 121                   glock_trace_name(__entry->cur_state),
 122                   glock_trace_name(__entry->new_state),
 123                   glock_trace_name(__entry->tgt_state),
 124                   glock_trace_name(__entry->dmt_state),
 125                   show_glock_flags(__entry->flags))
 126 );
 127
 128 /* State change -> unlocked, glock is being deallocated */
 129 TRACE_EVENT(gfs2_glock_put,
 130
 131         TP_PROTO(const struct gfs2_glock *gl),
 132
 133         TP_ARGS(gl),
 134
 135         TP_STRUCT__entry(
 136                 __field(        dev_t,  dev                     )
 137                 __field(        u64,    glnum                   )
 138                 __field(        u32,    gltype                  )
 139                 __field(        u8,     cur_state               )
 140                 __field(        unsigned long,  flags           )
 141         ),
 142
 143         TP_fast_assign(
 144                 __entry->dev            = gl->gl_name.ln_sbd->sd_vfs->s_dev;
 145                 __entry->gltype         = gl->gl_name.ln_type;
 146                 __entry->glnum          = gl->gl_name.ln_number;
 147                 __entry->cur_state      = glock_trace_state(gl->gl_state);
 148                 __entry->flags          = gl->gl_flags  | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
 149         ),
 150
 151         TP_printk("%u,%u glock %d:%lld state %s => %s flags:%s",
 152                   MAJOR(__entry->dev), MINOR(__entry->dev),
 153                   __entry->gltype, (unsigned long long)__entry->glnum,
 154                   glock_trace_name(__entry->cur_state),
 155                   glock_trace_name(DLM_LOCK_IV),
 156                   show_glock_flags(__entry->flags))
 157
 158 );
 159
 160 /* Callback (local or remote) requesting lock demotion */
 161 TRACE_EVENT(gfs2_demote_rq,
 162
 163         TP_PROTO(const struct gfs2_glock *gl, bool remote),
 164
 165         TP_ARGS(gl, remote),
 166
 167         TP_STRUCT__entry(
 168                 __field(        dev_t,  dev                     )
 169                 __field(        u64,    glnum                   )
 170                 __field(        u32,    gltype                  )
 171                 __field(        u8,     cur_state               )
 172                 __field(        u8,     dmt_state               )
 173                 __field(        unsigned long,  flags           )
 174                 __field(        bool,   remote                  )
 175         ),
 176
 177         TP_fast_assign(
 178                 __entry->dev            = gl->gl_name.ln_sbd->sd_vfs->s_dev;
 179                 __entry->gltype         = gl->gl_name.ln_type;
 180                 __entry->glnum          = gl->gl_name.ln_number;
 181                 __entry->cur_state      = glock_trace_state(gl->gl_state);
 182                 __entry->dmt_state      = glock_trace_state(gl->gl_demote_state);
 183                 __entry->flags          = gl->gl_flags  | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
 184                 __entry->remote         = remote;
 185         ),
 186
 187         TP_printk("%u,%u glock %d:%lld demote %s to %s flags:%s %s",
 188                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
 189                   (unsigned long long)__entry->glnum,
 190                   glock_trace_name(__entry->cur_state),
 191                   glock_trace_name(__entry->dmt_state),
 192                   show_glock_flags(__entry->flags),
 193                   __entry->remote ? "remote" : "local")
 194
 195 );
 196
 197 /* Promotion/grant of a glock */
 198 TRACE_EVENT(gfs2_promote,
 199
 200         TP_PROTO(const struct gfs2_holder *gh, int first),
 201
 202         TP_ARGS(gh, first),
 203
 204         TP_STRUCT__entry(
 205                 __field(        dev_t,  dev                     )
 206                 __field(        u64,    glnum                   )
 207                 __field(        u32,    gltype                  )
 208                 __field(        int,    first                   )
 209                 __field(        u8,     state                   )
 210         ),
 211
 212         TP_fast_assign(
 213                 __entry->dev    = gh->gh_gl->gl_name.ln_sbd->sd_vfs->s_dev;
 214                 __entry->glnum  = gh->gh_gl->gl_name.ln_number;
 215                 __entry->gltype = gh->gh_gl->gl_name.ln_type;
 216                 __entry->first  = first;
 217                 __entry->state  = glock_trace_state(gh->gh_state);
 218         ),
 219
 220         TP_printk("%u,%u glock %u:%llu promote %s %s",
 221                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
 222                   (unsigned long long)__entry->glnum,
 223                   __entry->first ? "first": "other",
 224                   glock_trace_name(__entry->state))
 225 );
 226
 227 /* Queue/dequeue a lock request */
 228 TRACE_EVENT(gfs2_glock_queue,
 229
 230         TP_PROTO(const struct gfs2_holder *gh, int queue),
 231
 232         TP_ARGS(gh, queue),
 233
 234         TP_STRUCT__entry(
 235                 __field(        dev_t,  dev                     )
 236                 __field(        u64,    glnum                   )
 237                 __field(        u32,    gltype                  )
 238                 __field(        int,    queue                   )
 239                 __field(        u8,     state                   )
 240         ),
 241
 242         TP_fast_assign(
 243                 __entry->dev    = gh->gh_gl->gl_name.ln_sbd->sd_vfs->s_dev;
 244                 __entry->glnum  = gh->gh_gl->gl_name.ln_number;
 245                 __entry->gltype = gh->gh_gl->gl_name.ln_type;
 246                 __entry->queue  = queue;
 247                 __entry->state  = glock_trace_state(gh->gh_state);
 248         ),
 249
 250         TP_printk("%u,%u glock %u:%llu %squeue %s",
 251                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
 252                   (unsigned long long)__entry->glnum,
 253                   __entry->queue ? "" : "de",
 254                   glock_trace_name(__entry->state))
 255 );
 256
 257 /* DLM sends a reply to GFS2 */
 258 TRACE_EVENT(gfs2_glock_lock_time,
 259
 260         TP_PROTO(const struct gfs2_glock *gl, s64 tdiff),
 261
 262         TP_ARGS(gl, tdiff),
 263
 264         TP_STRUCT__entry(
 265                 __field(        dev_t,  dev             )
 266                 __field(        u64,    glnum           )
 267                 __field(        u32,    gltype          )
 268                 __field(        int,    status          )
 269                 __field(        char,   flags           )
 270                 __field(        s64,    tdiff           )
 271                 __field(        u64,    srtt            )
 272                 __field(        u64,    srttvar         )
 273                 __field(        u64,    srttb           )
 274                 __field(        u64,    srttvarb        )
 275                 __field(        u64,    sirt            )
 276                 __field(        u64,    sirtvar         )
 277                 __field(        u64,    dcount          )
 278                 __field(        u64,    qcount          )
 279         ),
 280
 281         TP_fast_assign(
 282                 __entry->dev            = gl->gl_name.ln_sbd->sd_vfs->s_dev;
 283                 __entry->glnum          = gl->gl_name.ln_number;
 284                 __entry->gltype         = gl->gl_name.ln_type;
 285                 __entry->status         = gl->gl_lksb.sb_status;
 286                 __entry->flags          = gl->gl_lksb.sb_flags;
 287                 __entry->tdiff          = tdiff;
 288                 __entry->srtt           = gl->gl_stats.stats[GFS2_LKS_SRTT];
 289                 __entry->srttvar        = gl->gl_stats.stats[GFS2_LKS_SRTTVAR];
 290                 __entry->srttb          = gl->gl_stats.stats[GFS2_LKS_SRTTB];
 291                 __entry->srttvarb       = gl->gl_stats.stats[GFS2_LKS_SRTTVARB];
 292                 __entry->sirt           = gl->gl_stats.stats[GFS2_LKS_SIRT];
 293                 __entry->sirtvar        = gl->gl_stats.stats[GFS2_LKS_SIRTVAR];
 294                 __entry->dcount         = gl->gl_stats.stats[GFS2_LKS_DCOUNT];
 295                 __entry->qcount         = gl->gl_stats.stats[GFS2_LKS_QCOUNT];
 296         ),
 297
 298         TP_printk("%u,%u glock %d:%lld status:%d flags:%02x tdiff:%lld srtt:%lld/%lld srttb:%lld/%lld sirt:%lld/%lld dcnt:%lld qcnt:%lld",
 299                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
 300                   (unsigned long long)__entry->glnum,
 301                   __entry->status, __entry->flags,
 302                   (long long)__entry->tdiff,
 303                   (long long)__entry->srtt,
 304                   (long long)__entry->srttvar,
 305                   (long long)__entry->srttb,
 306                   (long long)__entry->srttvarb,
 307                   (long long)__entry->sirt,
 308                   (long long)__entry->sirtvar,
 309                   (long long)__entry->dcount,
 310                   (long long)__entry->qcount)
 311 );
 312
 313 /* Section 2 - Log/journal
 314  *
 315  * Objectives:
 316  * Latency: Log flush time
 317  * Correctness: pin/unpin vs. disk I/O ordering
 318  * Performance: Log usage stats
 319  */
 320
 321 /* Pin/unpin a block in the log */
 322 TRACE_EVENT(gfs2_pin,
 323
 324         TP_PROTO(const struct gfs2_bufdata *bd, int pin),
 325
 326         TP_ARGS(bd, pin),
 327
 328         TP_STRUCT__entry(
 329                 __field(        dev_t,  dev                     )
 330                 __field(        int,    pin                     )
 331                 __field(        u32,    len                     )
 332                 __field(        sector_t,       block           )
 333                 __field(        u64,    ino                     )
 334         ),
 335
 336         TP_fast_assign(
 337                 __entry->dev            = bd->bd_gl->gl_name.ln_sbd->sd_vfs->s_dev;
 338                 __entry->pin            = pin;
 339                 __entry->len            = bd->bd_bh->b_size;
 340                 __entry->block          = bd->bd_bh->b_blocknr;
 341                 __entry->ino            = bd->bd_gl->gl_name.ln_number;
 342         ),
 343
 344         TP_printk("%u,%u log %s %llu/%lu inode %llu",
 345                   MAJOR(__entry->dev), MINOR(__entry->dev),
 346                   __entry->pin ? "pin" : "unpin",
 347                   (unsigned long long)__entry->block,
 348                   (unsigned long)__entry->len,
 349                   (unsigned long long)__entry->ino)
 350 );
 351
 352 /* Flushing the log */
 353 TRACE_EVENT(gfs2_log_flush,
 354
 355         TP_PROTO(const struct gfs2_sbd *sdp, int start),
 356
 357         TP_ARGS(sdp, start),
 358
 359         TP_STRUCT__entry(
 360                 __field(        dev_t,  dev                     )
 361                 __field(        int,    start                   )
 362                 __field(        u64,    log_seq                 )
 363         ),
 364
 365         TP_fast_assign(
 366                 __entry->dev            = sdp->sd_vfs->s_dev;
 367                 __entry->start          = start;
 368                 __entry->log_seq        = sdp->sd_log_sequence;
 369         ),
 370
 371         TP_printk("%u,%u log flush %s %llu",
 372                   MAJOR(__entry->dev), MINOR(__entry->dev),
 373                   __entry->start ? "start" : "end",
 374                   (unsigned long long)__entry->log_seq)
 375 );
 376
 377 /* Reserving/releasing blocks in the log */
 378 TRACE_EVENT(gfs2_log_blocks,
 379
 380         TP_PROTO(const struct gfs2_sbd *sdp, int blocks),
 381
 382         TP_ARGS(sdp, blocks),
 383
 384         TP_STRUCT__entry(
 385                 __field(        dev_t,  dev                     )
 386                 __field(        int,    blocks                  )
 387         ),
 388
 389         TP_fast_assign(
 390                 __entry->dev            = sdp->sd_vfs->s_dev;
 391                 __entry->blocks         = blocks;
 392         ),
 393
 394         TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev),
 395                   MINOR(__entry->dev), __entry->blocks)
 396 );
 397
 398 /* Writing back the AIL */
 399 TRACE_EVENT(gfs2_ail_flush,
 400
 401         TP_PROTO(const struct gfs2_sbd *sdp, const struct writeback_control *wbc, int start),
 402
 403         TP_ARGS(sdp, wbc, start),
 404
 405         TP_STRUCT__entry(
 406                 __field(        dev_t,  dev                     )
 407                 __field(        int, start                      )
 408                 __field(        int, sync_mode                  )
 409                 __field(        long, nr_to_write               )
 410         ),
 411
 412         TP_fast_assign(
 413                 __entry->dev            = sdp->sd_vfs->s_dev;
 414                 __entry->start          = start;
 415                 __entry->sync_mode      = wbc->sync_mode;
 416                 __entry->nr_to_write    = wbc->nr_to_write;
 417         ),
 418
 419         TP_printk("%u,%u ail flush %s %s %ld", MAJOR(__entry->dev),
 420                   MINOR(__entry->dev), __entry->start ? "start" : "end",
 421                   __entry->sync_mode == WB_SYNC_ALL ? "all" : "none",
 422                   __entry->nr_to_write)
 423 );
 424
 425 /* Section 3 - bmap
 426  *
 427  * Objectives:
 428  * Latency: Bmap request time
 429  * Performance: Block allocator tracing
 430  * Correctness: Test of disard generation vs. blocks allocated
 431  */
 432
 433 /* Map an extent of blocks, possibly a new allocation */
 434 TRACE_EVENT(gfs2_bmap,
 435
 436         TP_PROTO(const struct gfs2_inode *ip, const struct buffer_head *bh,
 437                 sector_t lblock, int create, int errno),
 438
 439         TP_ARGS(ip, bh, lblock, create, errno),
 440
 441         TP_STRUCT__entry(
 442                 __field(        dev_t,  dev                     )
 443                 __field(        sector_t, lblock                )
 444                 __field(        sector_t, pblock                )
 445                 __field(        u64,    inum                    )
 446                 __field(        unsigned long, state            )
 447                 __field(        u32,    len                     )
 448                 __field(        int,    create                  )
 449                 __field(        int,    errno                   )
 450         ),
 451
 452         TP_fast_assign(
 453                 __entry->dev            = ip->i_gl->gl_name.ln_sbd->sd_vfs->s_dev;
 454                 __entry->lblock         = lblock;
 455                 __entry->pblock         = buffer_mapped(bh) ?  bh->b_blocknr : 0;
 456                 __entry->inum           = ip->i_no_addr;
 457                 __entry->state          = bh->b_state;
 458                 __entry->len            = bh->b_size;
 459                 __entry->create         = create;
 460                 __entry->errno          = errno;
 461         ),
 462
 463         TP_printk("%u,%u bmap %llu map %llu/%lu to %llu flags:%08lx %s %d",
 464                   MAJOR(__entry->dev), MINOR(__entry->dev),
 465                   (unsigned long long)__entry->inum,
 466                   (unsigned long long)__entry->lblock,
 467                   (unsigned long)__entry->len,
 468                   (unsigned long long)__entry->pblock,
 469                   __entry->state, __entry->create ? "create " : "nocreate",
 470                   __entry->errno)
 471 );
 472
 473 /* Keep track of blocks as they are allocated/freed */
 474 TRACE_EVENT(gfs2_block_alloc,
 475
 476         TP_PROTO(const struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
 477                  u64 block, unsigned len, u8 block_state),
 478
 479         TP_ARGS(ip, rgd, block, len, block_state),
 480
 481         TP_STRUCT__entry(
 482                 __field(        dev_t,  dev                     )
 483                 __field(        u64,    start                   )
 484                 __field(        u64,    inum                    )
 485                 __field(        u32,    len                     )
 486                 __field(        u8,     block_state             )
 487                 __field(        u64,    rd_addr                 )
 488                 __field(        u32,    rd_free_clone           )
 489                 __field(        u32,    rd_reserved             )
 490         ),
 491
 492         TP_fast_assign(
 493                 __entry->dev            = rgd->rd_gl->gl_name.ln_sbd->sd_vfs->s_dev;
 494                 __entry->start          = block;
 495                 __entry->inum           = ip->i_no_addr;
 496                 __entry->len            = len;
 497                 __entry->block_state    = block_state;
 498                 __entry->rd_addr        = rgd->rd_addr;
 499                 __entry->rd_free_clone  = rgd->rd_free_clone;
 500                 __entry->rd_reserved    = rgd->rd_reserved;
 501         ),
 502
 503         TP_printk("%u,%u bmap %llu alloc %llu/%lu %s rg:%llu rf:%u rr:%lu",
 504                   MAJOR(__entry->dev), MINOR(__entry->dev),
 505                   (unsigned long long)__entry->inum,
 506                   (unsigned long long)__entry->start,
 507                   (unsigned long)__entry->len,
 508                   block_state_name(__entry->block_state),
 509                   (unsigned long long)__entry->rd_addr,
 510                   __entry->rd_free_clone, (unsigned long)__entry->rd_reserved)
 511 );
 512
 513 /* Keep track of multi-block reservations as they are allocated/freed */
 514 TRACE_EVENT(gfs2_rs,
 515
 516         TP_PROTO(const struct gfs2_blkreserv *rs, u8 func),
 517
 518         TP_ARGS(rs, func),
 519
 520         TP_STRUCT__entry(
 521                 __field(        dev_t,  dev                     )
 522                 __field(        u64,    rd_addr                 )
 523                 __field(        u32,    rd_free_clone           )
 524                 __field(        u32,    rd_reserved             )
 525                 __field(        u64,    inum                    )
 526                 __field(        u64,    start                   )
 527                 __field(        u32,    free                    )
 528                 __field(        u8,     func                    )
 529         ),
 530
 531         TP_fast_assign(
 532                 __entry->dev            = rs->rs_rbm.rgd->rd_sbd->sd_vfs->s_dev;
 533                 __entry->rd_addr        = rs->rs_rbm.rgd->rd_addr;
 534                 __entry->rd_free_clone  = rs->rs_rbm.rgd->rd_free_clone;
 535                 __entry->rd_reserved    = rs->rs_rbm.rgd->rd_reserved;
 536                 __entry->inum           = rs->rs_inum;
 537                 __entry->start          = gfs2_rbm_to_block(&rs->rs_rbm);
 538                 __entry->free           = rs->rs_free;
 539                 __entry->func           = func;
 540         ),
 541
 542         TP_printk("%u,%u bmap %llu resrv %llu rg:%llu rf:%lu rr:%lu %s f:%lu",
 543                   MAJOR(__entry->dev), MINOR(__entry->dev),
 544                   (unsigned long long)__entry->inum,
 545                   (unsigned long long)__entry->start,
 546                   (unsigned long long)__entry->rd_addr,
 547                   (unsigned long)__entry->rd_free_clone,
 548                   (unsigned long)__entry->rd_reserved,
 549                   rs_func_name(__entry->func), (unsigned long)__entry->free)
 550 );
 551
 552 #endif /* _TRACE_GFS2_H */
 553
 554 /* This part must be outside protection */
 555 #undef TRACE_INCLUDE_PATH
 556 #define TRACE_INCLUDE_PATH .
 557 #define TRACE_INCLUDE_FILE trace_gfs2
 558 #include <trace/define_trace.h>
 559