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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / fs / gfs2 / trace_gfs2.h
blobb9318b49ff8f55bb43c5196b7e299a120e7fa9b2
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 <linux/iomap.h>
17 #include "incore.h"
18 #include "glock.h"
19 #include "rgrp.h"
20
21 #define dlm_state_name(nn) { DLM_LOCK_##nn, #nn }
22 #define glock_trace_name(x) __print_symbolic(x, \
23 dlm_state_name(IV), \
24 dlm_state_name(NL), \
25 dlm_state_name(CR), \
26 dlm_state_name(CW), \
27 dlm_state_name(PR), \
28 dlm_state_name(PW), \
29 dlm_state_name(EX))
30
31 #define block_state_name(x) __print_symbolic(x, \
32 { GFS2_BLKST_FREE, "free" }, \
33 { GFS2_BLKST_USED, "used" }, \
34 { GFS2_BLKST_DINODE, "dinode" }, \
35 { GFS2_BLKST_UNLINKED, "unlinked" })
36
37 #define TRACE_RS_DELETE 0
38 #define TRACE_RS_TREEDEL 1
39 #define TRACE_RS_INSERT 2
40 #define TRACE_RS_CLAIM 3
41
42 #define rs_func_name(x) __print_symbolic(x, \
43 { 0, "del " }, \
44 { 1, "tdel" }, \
45 { 2, "ins " }, \
46 { 3, "clm " })
47
48 #define show_glock_flags(flags) __print_flags(flags, "", \
49 {(1UL << GLF_LOCK), "l" }, \
50 {(1UL << GLF_DEMOTE), "D" }, \
51 {(1UL << GLF_PENDING_DEMOTE), "d" }, \
52 {(1UL << GLF_DEMOTE_IN_PROGRESS), "p" }, \
53 {(1UL << GLF_DIRTY), "y" }, \
54 {(1UL << GLF_LFLUSH), "f" }, \
55 {(1UL << GLF_INVALIDATE_IN_PROGRESS), "i" }, \
56 {(1UL << GLF_REPLY_PENDING), "r" }, \
57 {(1UL << GLF_INITIAL), "I" }, \
58 {(1UL << GLF_FROZEN), "F" }, \
59 {(1UL << GLF_QUEUED), "q" }, \
60 {(1UL << GLF_LRU), "L" }, \
61 {(1UL << GLF_OBJECT), "o" }, \
62 {(1UL << GLF_BLOCKING), "b" })
63
64 #ifndef NUMPTY
65 #define NUMPTY
66 static inline u8 glock_trace_state(unsigned int state)
67 {
68 switch(state) {
69 case LM_ST_SHARED:
70 return DLM_LOCK_PR;
71 case LM_ST_DEFERRED:
72 return DLM_LOCK_CW;
73 case LM_ST_EXCLUSIVE:
74 return DLM_LOCK_EX;
75 }
76 return DLM_LOCK_NL;
77 }
78 #endif
79
80 /* Section 1 - Locking
81 *
82 * Objectives:
83 * Latency: Remote demote request to state change
84 * Latency: Local lock request to state change
85 * Latency: State change to lock grant
86 * Correctness: Ordering of local lock state vs. I/O requests
87 * Correctness: Responses to remote demote requests
88 */
89
90 /* General glock state change (DLM lock request completes) */
91 TRACE_EVENT(gfs2_glock_state_change,
92
93 TP_PROTO(const struct gfs2_glock *gl, unsigned int new_state),
94
95 TP_ARGS(gl, new_state),
96
97 TP_STRUCT__entry(
98 __field( dev_t, dev )
99 __field( u64, glnum )
100 __field( u32, gltype )
101 __field( u8, cur_state )
102 __field( u8, new_state )
103 __field( u8, dmt_state )
104 __field( u8, tgt_state )
105 __field( unsigned long, flags )
106 ),
107
108 TP_fast_assign(
109 __entry->dev = gl->gl_name.ln_sbd->sd_vfs->s_dev;
110 __entry->glnum = gl->gl_name.ln_number;
111 __entry->gltype = gl->gl_name.ln_type;
112 __entry->cur_state = glock_trace_state(gl->gl_state);
113 __entry->new_state = glock_trace_state(new_state);
114 __entry->tgt_state = glock_trace_state(gl->gl_target);
115 __entry->dmt_state = glock_trace_state(gl->gl_demote_state);
116 __entry->flags = gl->gl_flags | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
117 ),
118
119 TP_printk("%u,%u glock %d:%lld state %s to %s tgt:%s dmt:%s flags:%s",
120 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
121 (unsigned long long)__entry->glnum,
122 glock_trace_name(__entry->cur_state),
123 glock_trace_name(__entry->new_state),
124 glock_trace_name(__entry->tgt_state),
125 glock_trace_name(__entry->dmt_state),
126 show_glock_flags(__entry->flags))
127 );
128
129 /* State change -> unlocked, glock is being deallocated */
130 TRACE_EVENT(gfs2_glock_put,
131
132 TP_PROTO(const struct gfs2_glock *gl),
133
134 TP_ARGS(gl),
135
136 TP_STRUCT__entry(
137 __field( dev_t, dev )
138 __field( u64, glnum )
139 __field( u32, gltype )
140 __field( u8, cur_state )
141 __field( unsigned long, flags )
142 ),
143
144 TP_fast_assign(
145 __entry->dev = gl->gl_name.ln_sbd->sd_vfs->s_dev;
146 __entry->gltype = gl->gl_name.ln_type;
147 __entry->glnum = gl->gl_name.ln_number;
148 __entry->cur_state = glock_trace_state(gl->gl_state);
149 __entry->flags = gl->gl_flags | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
150 ),
151
152 TP_printk("%u,%u glock %d:%lld state %s => %s flags:%s",
153 MAJOR(__entry->dev), MINOR(__entry->dev),
154 __entry->gltype, (unsigned long long)__entry->glnum,
155 glock_trace_name(__entry->cur_state),
156 glock_trace_name(DLM_LOCK_IV),
157 show_glock_flags(__entry->flags))
158
159 );
160
161 /* Callback (local or remote) requesting lock demotion */
162 TRACE_EVENT(gfs2_demote_rq,
163
164 TP_PROTO(const struct gfs2_glock *gl, bool remote),
165
166 TP_ARGS(gl, remote),
167
168 TP_STRUCT__entry(
169 __field( dev_t, dev )
170 __field( u64, glnum )
171 __field( u32, gltype )
172 __field( u8, cur_state )
173 __field( u8, dmt_state )
174 __field( unsigned long, flags )
175 __field( bool, remote )
176 ),
177
178 TP_fast_assign(
179 __entry->dev = gl->gl_name.ln_sbd->sd_vfs->s_dev;
180 __entry->gltype = gl->gl_name.ln_type;
181 __entry->glnum = gl->gl_name.ln_number;
182 __entry->cur_state = glock_trace_state(gl->gl_state);
183 __entry->dmt_state = glock_trace_state(gl->gl_demote_state);
184 __entry->flags = gl->gl_flags | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
185 __entry->remote = remote;
186 ),
187
188 TP_printk("%u,%u glock %d:%lld demote %s to %s flags:%s %s",
189 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
190 (unsigned long long)__entry->glnum,
191 glock_trace_name(__entry->cur_state),
192 glock_trace_name(__entry->dmt_state),
193 show_glock_flags(__entry->flags),
194 __entry->remote ? "remote" : "local")
195
196 );
197
198 /* Promotion/grant of a glock */
199 TRACE_EVENT(gfs2_promote,
200
201 TP_PROTO(const struct gfs2_holder *gh, int first),
202
203 TP_ARGS(gh, first),
204
205 TP_STRUCT__entry(
206 __field( dev_t, dev )
207 __field( u64, glnum )
208 __field( u32, gltype )
209 __field( int, first )
210 __field( u8, state )
211 ),
212
213 TP_fast_assign(
214 __entry->dev = gh->gh_gl->gl_name.ln_sbd->sd_vfs->s_dev;
215 __entry->glnum = gh->gh_gl->gl_name.ln_number;
216 __entry->gltype = gh->gh_gl->gl_name.ln_type;
217 __entry->first = first;
218 __entry->state = glock_trace_state(gh->gh_state);
219 ),
220
221 TP_printk("%u,%u glock %u:%llu promote %s %s",
222 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
223 (unsigned long long)__entry->glnum,
224 __entry->first ? "first": "other",
225 glock_trace_name(__entry->state))
226 );
227
228 /* Queue/dequeue a lock request */
229 TRACE_EVENT(gfs2_glock_queue,
230
231 TP_PROTO(const struct gfs2_holder *gh, int queue),
232
233 TP_ARGS(gh, queue),
234
235 TP_STRUCT__entry(
236 __field( dev_t, dev )
237 __field( u64, glnum )
238 __field( u32, gltype )
239 __field( int, queue )
240 __field( u8, state )
241 ),
242
243 TP_fast_assign(
244 __entry->dev = gh->gh_gl->gl_name.ln_sbd->sd_vfs->s_dev;
245 __entry->glnum = gh->gh_gl->gl_name.ln_number;
246 __entry->gltype = gh->gh_gl->gl_name.ln_type;
247 __entry->queue = queue;
248 __entry->state = glock_trace_state(gh->gh_state);
249 ),
250
251 TP_printk("%u,%u glock %u:%llu %squeue %s",
252 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
253 (unsigned long long)__entry->glnum,
254 __entry->queue ? "" : "de",
255 glock_trace_name(__entry->state))
256 );
257
258 /* DLM sends a reply to GFS2 */
259 TRACE_EVENT(gfs2_glock_lock_time,
260
261 TP_PROTO(const struct gfs2_glock *gl, s64 tdiff),
262
263 TP_ARGS(gl, tdiff),
264
265 TP_STRUCT__entry(
266 __field( dev_t, dev )
267 __field( u64, glnum )
268 __field( u32, gltype )
269 __field( int, status )
270 __field( char, flags )
271 __field( s64, tdiff )
272 __field( u64, srtt )
273 __field( u64, srttvar )
274 __field( u64, srttb )
275 __field( u64, srttvarb )
276 __field( u64, sirt )
277 __field( u64, sirtvar )
278 __field( u64, dcount )
279 __field( u64, qcount )
280 ),
281
282 TP_fast_assign(
283 __entry->dev = gl->gl_name.ln_sbd->sd_vfs->s_dev;
284 __entry->glnum = gl->gl_name.ln_number;
285 __entry->gltype = gl->gl_name.ln_type;
286 __entry->status = gl->gl_lksb.sb_status;
287 __entry->flags = gl->gl_lksb.sb_flags;
288 __entry->tdiff = tdiff;
289 __entry->srtt = gl->gl_stats.stats[GFS2_LKS_SRTT];
290 __entry->srttvar = gl->gl_stats.stats[GFS2_LKS_SRTTVAR];
291 __entry->srttb = gl->gl_stats.stats[GFS2_LKS_SRTTB];
292 __entry->srttvarb = gl->gl_stats.stats[GFS2_LKS_SRTTVARB];
293 __entry->sirt = gl->gl_stats.stats[GFS2_LKS_SIRT];
294 __entry->sirtvar = gl->gl_stats.stats[GFS2_LKS_SIRTVAR];
295 __entry->dcount = gl->gl_stats.stats[GFS2_LKS_DCOUNT];
296 __entry->qcount = gl->gl_stats.stats[GFS2_LKS_QCOUNT];
297 ),
298
299 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",
300 MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
301 (unsigned long long)__entry->glnum,
302 __entry->status, __entry->flags,
303 (long long)__entry->tdiff,
304 (long long)__entry->srtt,
305 (long long)__entry->srttvar,
306 (long long)__entry->srttb,
307 (long long)__entry->srttvarb,
308 (long long)__entry->sirt,
309 (long long)__entry->sirtvar,
310 (long long)__entry->dcount,
311 (long long)__entry->qcount)
312 );
313
314 /* Section 2 - Log/journal
315 *
316 * Objectives:
317 * Latency: Log flush time
318 * Correctness: pin/unpin vs. disk I/O ordering
319 * Performance: Log usage stats
320 */
321
322 /* Pin/unpin a block in the log */
323 TRACE_EVENT(gfs2_pin,
324
325 TP_PROTO(const struct gfs2_bufdata *bd, int pin),
326
327 TP_ARGS(bd, pin),
328
329 TP_STRUCT__entry(
330 __field( dev_t, dev )
331 __field( int, pin )
332 __field( u32, len )
333 __field( sector_t, block )
334 __field( u64, ino )
335 ),
336
337 TP_fast_assign(
338 __entry->dev = bd->bd_gl->gl_name.ln_sbd->sd_vfs->s_dev;
339 __entry->pin = pin;
340 __entry->len = bd->bd_bh->b_size;
341 __entry->block = bd->bd_bh->b_blocknr;
342 __entry->ino = bd->bd_gl->gl_name.ln_number;
343 ),
344
345 TP_printk("%u,%u log %s %llu/%lu inode %llu",
346 MAJOR(__entry->dev), MINOR(__entry->dev),
347 __entry->pin ? "pin" : "unpin",
348 (unsigned long long)__entry->block,
349 (unsigned long)__entry->len,
350 (unsigned long long)__entry->ino)
351 );
352
353 /* Flushing the log */
354 TRACE_EVENT(gfs2_log_flush,
355
356 TP_PROTO(const struct gfs2_sbd *sdp, int start, u32 flags),
357
358 TP_ARGS(sdp, start, flags),
359
360 TP_STRUCT__entry(
361 __field( dev_t, dev )
362 __field( int, start )
363 __field( u64, log_seq )
364 __field( u32, flags )
365 ),
366
367 TP_fast_assign(
368 __entry->dev = sdp->sd_vfs->s_dev;
369 __entry->start = start;
370 __entry->log_seq = sdp->sd_log_sequence;
371 __entry->flags = flags;
372 ),
373
374 TP_printk("%u,%u log flush %s %llu %llx",
375 MAJOR(__entry->dev), MINOR(__entry->dev),
376 __entry->start ? "start" : "end",
377 (unsigned long long)__entry->log_seq,
378 (unsigned long long)__entry->flags)
379 );
380
381 /* Reserving/releasing blocks in the log */
382 TRACE_EVENT(gfs2_log_blocks,
383
384 TP_PROTO(const struct gfs2_sbd *sdp, int blocks),
385
386 TP_ARGS(sdp, blocks),
387
388 TP_STRUCT__entry(
389 __field( dev_t, dev )
390 __field( int, blocks )
391 ),
392
393 TP_fast_assign(
394 __entry->dev = sdp->sd_vfs->s_dev;
395 __entry->blocks = blocks;
396 ),
397
398 TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev),
399 MINOR(__entry->dev), __entry->blocks)
400 );
401
402 /* Writing back the AIL */
403 TRACE_EVENT(gfs2_ail_flush,
404
405 TP_PROTO(const struct gfs2_sbd *sdp, const struct writeback_control *wbc, int start),
406
407 TP_ARGS(sdp, wbc, start),
408
409 TP_STRUCT__entry(
410 __field( dev_t, dev )
411 __field( int, start )
412 __field( int, sync_mode )
413 __field( long, nr_to_write )
414 ),
415
416 TP_fast_assign(
417 __entry->dev = sdp->sd_vfs->s_dev;
418 __entry->start = start;
419 __entry->sync_mode = wbc->sync_mode;
420 __entry->nr_to_write = wbc->nr_to_write;
421 ),
422
423 TP_printk("%u,%u ail flush %s %s %ld", MAJOR(__entry->dev),
424 MINOR(__entry->dev), __entry->start ? "start" : "end",
425 __entry->sync_mode == WB_SYNC_ALL ? "all" : "none",
426 __entry->nr_to_write)
427 );
428
429 /* Section 3 - bmap
430 *
431 * Objectives:
432 * Latency: Bmap request time
433 * Performance: Block allocator tracing
434 * Correctness: Test of disard generation vs. blocks allocated
435 */
436
437 /* Map an extent of blocks, possibly a new allocation */
438 TRACE_EVENT(gfs2_bmap,
439
440 TP_PROTO(const struct gfs2_inode *ip, const struct buffer_head *bh,
441 sector_t lblock, int create, int errno),
442
443 TP_ARGS(ip, bh, lblock, create, errno),
444
445 TP_STRUCT__entry(
446 __field( dev_t, dev )
447 __field( sector_t, lblock )
448 __field( sector_t, pblock )
449 __field( u64, inum )
450 __field( unsigned long, state )
451 __field( u32, len )
452 __field( int, create )
453 __field( int, errno )
454 ),
455
456 TP_fast_assign(
457 __entry->dev = ip->i_gl->gl_name.ln_sbd->sd_vfs->s_dev;
458 __entry->lblock = lblock;
459 __entry->pblock = buffer_mapped(bh) ? bh->b_blocknr : 0;
460 __entry->inum = ip->i_no_addr;
461 __entry->state = bh->b_state;
462 __entry->len = bh->b_size;
463 __entry->create = create;
464 __entry->errno = errno;
465 ),
466
467 TP_printk("%u,%u bmap %llu map %llu/%lu to %llu flags:%08lx %s %d",
468 MAJOR(__entry->dev), MINOR(__entry->dev),
469 (unsigned long long)__entry->inum,
470 (unsigned long long)__entry->lblock,
471 (unsigned long)__entry->len,
472 (unsigned long long)__entry->pblock,
473 __entry->state, __entry->create ? "create " : "nocreate",
474 __entry->errno)
475 );
476
477 TRACE_EVENT(gfs2_iomap_start,
478
479 TP_PROTO(const struct gfs2_inode *ip, loff_t pos, ssize_t length,
480 u16 flags),
481
482 TP_ARGS(ip, pos, length, flags),
483
484 TP_STRUCT__entry(
485 __field( dev_t, dev )
486 __field( u64, inum )
487 __field( loff_t, pos )
488 __field( ssize_t, length )
489 __field( u16, flags )
490 ),
491
492 TP_fast_assign(
493 __entry->dev = ip->i_gl->gl_name.ln_sbd->sd_vfs->s_dev;
494 __entry->inum = ip->i_no_addr;
495 __entry->pos = pos;
496 __entry->length = length;
497 __entry->flags = flags;
498 ),
499
500 TP_printk("%u,%u bmap %llu iomap start %llu/%lu flags:%08x",
501 MAJOR(__entry->dev), MINOR(__entry->dev),
502 (unsigned long long)__entry->inum,
503 (unsigned long long)__entry->pos,
504 (unsigned long)__entry->length, (u16)__entry->flags)
505 );
506
507 TRACE_EVENT(gfs2_iomap_end,
508
509 TP_PROTO(const struct gfs2_inode *ip, struct iomap *iomap, int ret),
510
511 TP_ARGS(ip, iomap, ret),
512
513 TP_STRUCT__entry(
514 __field( dev_t, dev )
515 __field( u64, inum )
516 __field( loff_t, offset )
517 __field( ssize_t, length )
518 __field( u16, flags )
519 __field( u16, type )
520 __field( int, ret )
521 ),
522
523 TP_fast_assign(
524 __entry->dev = ip->i_gl->gl_name.ln_sbd->sd_vfs->s_dev;
525 __entry->inum = ip->i_no_addr;
526 __entry->offset = iomap->offset;
527 __entry->length = iomap->length;
528 __entry->flags = iomap->flags;
529 __entry->type = iomap->type;
530 __entry->ret = ret;
531 ),
532
533 TP_printk("%u,%u bmap %llu iomap end %llu/%lu ty:%d flags:%08x rc:%d",
534 MAJOR(__entry->dev), MINOR(__entry->dev),
535 (unsigned long long)__entry->inum,
536 (unsigned long long)__entry->offset,
537 (unsigned long)__entry->length, (u16)__entry->type,
538 (u16)__entry->flags, __entry->ret)
539 );
540
541 /* Keep track of blocks as they are allocated/freed */
542 TRACE_EVENT(gfs2_block_alloc,
543
544 TP_PROTO(const struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
545 u64 block, unsigned len, u8 block_state),
546
547 TP_ARGS(ip, rgd, block, len, block_state),
548
549 TP_STRUCT__entry(
550 __field( dev_t, dev )
551 __field( u64, start )
552 __field( u64, inum )
553 __field( u32, len )
554 __field( u8, block_state )
555 __field( u64, rd_addr )
556 __field( u32, rd_free_clone )
557 __field( u32, rd_reserved )
558 ),
559
560 TP_fast_assign(
561 __entry->dev = rgd->rd_gl->gl_name.ln_sbd->sd_vfs->s_dev;
562 __entry->start = block;
563 __entry->inum = ip->i_no_addr;
564 __entry->len = len;
565 __entry->block_state = block_state;
566 __entry->rd_addr = rgd->rd_addr;
567 __entry->rd_free_clone = rgd->rd_free_clone;
568 __entry->rd_reserved = rgd->rd_reserved;
569 ),
570
571 TP_printk("%u,%u bmap %llu alloc %llu/%lu %s rg:%llu rf:%u rr:%lu",
572 MAJOR(__entry->dev), MINOR(__entry->dev),
573 (unsigned long long)__entry->inum,
574 (unsigned long long)__entry->start,
575 (unsigned long)__entry->len,
576 block_state_name(__entry->block_state),
577 (unsigned long long)__entry->rd_addr,
578 __entry->rd_free_clone, (unsigned long)__entry->rd_reserved)
579 );
580
581 /* Keep track of multi-block reservations as they are allocated/freed */
582 TRACE_EVENT(gfs2_rs,
583
584 TP_PROTO(const struct gfs2_blkreserv *rs, u8 func),
585
586 TP_ARGS(rs, func),
587
588 TP_STRUCT__entry(
589 __field( dev_t, dev )
590 __field( u64, rd_addr )
591 __field( u32, rd_free_clone )
592 __field( u32, rd_reserved )
593 __field( u64, inum )
594 __field( u64, start )
595 __field( u32, free )
596 __field( u8, func )
597 ),
598
599 TP_fast_assign(
600 __entry->dev = rs->rs_rbm.rgd->rd_sbd->sd_vfs->s_dev;
601 __entry->rd_addr = rs->rs_rbm.rgd->rd_addr;
602 __entry->rd_free_clone = rs->rs_rbm.rgd->rd_free_clone;
603 __entry->rd_reserved = rs->rs_rbm.rgd->rd_reserved;
604 __entry->inum = rs->rs_inum;
605 __entry->start = gfs2_rbm_to_block(&rs->rs_rbm);
606 __entry->free = rs->rs_free;
607 __entry->func = func;
608 ),
609
610 TP_printk("%u,%u bmap %llu resrv %llu rg:%llu rf:%lu rr:%lu %s f:%lu",
611 MAJOR(__entry->dev), MINOR(__entry->dev),
612 (unsigned long long)__entry->inum,
613 (unsigned long long)__entry->start,
614 (unsigned long long)__entry->rd_addr,
615 (unsigned long)__entry->rd_free_clone,
616 (unsigned long)__entry->rd_reserved,
617 rs_func_name(__entry->func), (unsigned long)__entry->free)
618 );
619
620 #endif /* _TRACE_GFS2_H */
621
622 /* This part must be outside protection */
623 #undef TRACE_INCLUDE_PATH
624 #define TRACE_INCLUDE_PATH .
625 #define TRACE_INCLUDE_FILE trace_gfs2
626 #include <trace/define_trace.h>
627
CRIS linux kernel tree