tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
[linux-2.6-microblaze.git] / 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 <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_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, u32 flags),
356
357         TP_ARGS(sdp, start, flags),
358
359         TP_STRUCT__entry(
360                 __field(        dev_t,  dev                     )
361                 __field(        int,    start                   )
362                 __field(        u64,    log_seq                 )
363                 __field(        u32,    flags                   )
364         ),
365
366         TP_fast_assign(
367                 __entry->dev            = sdp->sd_vfs->s_dev;
368                 __entry->start          = start;
369                 __entry->log_seq        = sdp->sd_log_sequence;
370                 __entry->flags          = flags;
371         ),
372
373         TP_printk("%u,%u log flush %s %llu %llx",
374                   MAJOR(__entry->dev), MINOR(__entry->dev),
375                   __entry->start ? "start" : "end",
376                   (unsigned long long)__entry->log_seq,
377                   (unsigned long long)__entry->flags)
378 );
379
380 /* Reserving/releasing blocks in the log */
381 TRACE_EVENT(gfs2_log_blocks,
382
383         TP_PROTO(const struct gfs2_sbd *sdp, int blocks),
384
385         TP_ARGS(sdp, blocks),
386
387         TP_STRUCT__entry(
388                 __field(        dev_t,  dev                     )
389                 __field(        int,    blocks                  )
390                 __field(        int,    blks_free               )
391         ),
392
393         TP_fast_assign(
394                 __entry->dev            = sdp->sd_vfs->s_dev;
395                 __entry->blocks         = blocks;
396                 __entry->blks_free      = atomic_read(&sdp->sd_log_blks_free);
397         ),
398
399         TP_printk("%u,%u log reserve %d %d", MAJOR(__entry->dev),
400                   MINOR(__entry->dev), __entry->blocks, __entry->blks_free)
401 );
402
403 /* Writing back the AIL */
404 TRACE_EVENT(gfs2_ail_flush,
405
406         TP_PROTO(const struct gfs2_sbd *sdp, const struct writeback_control *wbc, int start),
407
408         TP_ARGS(sdp, wbc, start),
409
410         TP_STRUCT__entry(
411                 __field(        dev_t,  dev                     )
412                 __field(        int, start                      )
413                 __field(        int, sync_mode                  )
414                 __field(        long, nr_to_write               )
415         ),
416
417         TP_fast_assign(
418                 __entry->dev            = sdp->sd_vfs->s_dev;
419                 __entry->start          = start;
420                 __entry->sync_mode      = wbc->sync_mode;
421                 __entry->nr_to_write    = wbc->nr_to_write;
422         ),
423
424         TP_printk("%u,%u ail flush %s %s %ld", MAJOR(__entry->dev),
425                   MINOR(__entry->dev), __entry->start ? "start" : "end",
426                   __entry->sync_mode == WB_SYNC_ALL ? "all" : "none",
427                   __entry->nr_to_write)
428 );
429
430 /* Section 3 - bmap
431  *
432  * Objectives:
433  * Latency: Bmap request time
434  * Performance: Block allocator tracing
435  * Correctness: Test of disard generation vs. blocks allocated
436  */
437
438 /* Map an extent of blocks, possibly a new allocation */
439 TRACE_EVENT(gfs2_bmap,
440
441         TP_PROTO(const struct gfs2_inode *ip, const struct buffer_head *bh,
442                 sector_t lblock, int create, int errno),
443
444         TP_ARGS(ip, bh, lblock, create, errno),
445
446         TP_STRUCT__entry(
447                 __field(        dev_t,  dev                     )
448                 __field(        sector_t, lblock                )
449                 __field(        sector_t, pblock                )
450                 __field(        u64,    inum                    )
451                 __field(        unsigned long, state            )
452                 __field(        u32,    len                     )
453                 __field(        int,    create                  )
454                 __field(        int,    errno                   )
455         ),
456
457         TP_fast_assign(
458                 __entry->dev            = ip->i_gl->gl_name.ln_sbd->sd_vfs->s_dev;
459                 __entry->lblock         = lblock;
460                 __entry->pblock         = buffer_mapped(bh) ?  bh->b_blocknr : 0;
461                 __entry->inum           = ip->i_no_addr;
462                 __entry->state          = bh->b_state;
463                 __entry->len            = bh->b_size;
464                 __entry->create         = create;
465                 __entry->errno          = errno;
466         ),
467
468         TP_printk("%u,%u bmap %llu map %llu/%lu to %llu flags:%08lx %s %d",
469                   MAJOR(__entry->dev), MINOR(__entry->dev),
470                   (unsigned long long)__entry->inum,
471                   (unsigned long long)__entry->lblock,
472                   (unsigned long)__entry->len,
473                   (unsigned long long)__entry->pblock,
474                   __entry->state, __entry->create ? "create " : "nocreate",
475                   __entry->errno)
476 );
477
478 TRACE_EVENT(gfs2_iomap_start,
479
480         TP_PROTO(const struct gfs2_inode *ip, loff_t pos, ssize_t length,
481                  u16 flags),
482
483         TP_ARGS(ip, pos, length, flags),
484
485         TP_STRUCT__entry(
486                 __field(        dev_t,  dev                     )
487                 __field(        u64,    inum                    )
488                 __field(        loff_t, pos                     )
489                 __field(        ssize_t, length                 )
490                 __field(        u16,    flags                   )
491         ),
492
493         TP_fast_assign(
494                 __entry->dev            = ip->i_gl->gl_name.ln_sbd->sd_vfs->s_dev;
495                 __entry->inum           = ip->i_no_addr;
496                 __entry->pos            = pos;
497                 __entry->length         = length;
498                 __entry->flags          = flags;
499         ),
500
501         TP_printk("%u,%u bmap %llu iomap start %llu/%lu flags:%08x",
502                   MAJOR(__entry->dev), MINOR(__entry->dev),
503                   (unsigned long long)__entry->inum,
504                   (unsigned long long)__entry->pos,
505                   (unsigned long)__entry->length, (u16)__entry->flags)
506 );
507
508 TRACE_EVENT(gfs2_iomap_end,
509
510         TP_PROTO(const struct gfs2_inode *ip, struct iomap *iomap, int ret),
511
512         TP_ARGS(ip, iomap, ret),
513
514         TP_STRUCT__entry(
515                 __field(        dev_t,  dev                     )
516                 __field(        u64,    inum                    )
517                 __field(        loff_t, offset                  )
518                 __field(        ssize_t, length                 )
519                 __field(        sector_t, pblock                )
520                 __field(        u16,    flags                   )
521                 __field(        u16,    type                    )
522                 __field(        int,    ret                     )
523         ),
524
525         TP_fast_assign(
526                 __entry->dev            = ip->i_gl->gl_name.ln_sbd->sd_vfs->s_dev;
527                 __entry->inum           = ip->i_no_addr;
528                 __entry->offset         = iomap->offset;
529                 __entry->length         = iomap->length;
530                 __entry->pblock         = iomap->addr == IOMAP_NULL_ADDR ? 0 :
531                                          (iomap->addr >> ip->i_inode.i_blkbits);
532                 __entry->flags          = iomap->flags;
533                 __entry->type           = iomap->type;
534                 __entry->ret            = ret;
535         ),
536
537         TP_printk("%u,%u bmap %llu iomap end %llu/%lu to %llu ty:%d flags:%08x rc:%d",
538                   MAJOR(__entry->dev), MINOR(__entry->dev),
539                   (unsigned long long)__entry->inum,
540                   (unsigned long long)__entry->offset,
541                   (unsigned long)__entry->length,
542                   (long long)__entry->pblock,
543                   (u16)__entry->type,
544                   (u16)__entry->flags, __entry->ret)
545 );
546
547 /* Keep track of blocks as they are allocated/freed */
548 TRACE_EVENT(gfs2_block_alloc,
549
550         TP_PROTO(const struct gfs2_inode *ip, struct gfs2_rgrpd *rgd,
551                  u64 block, unsigned len, u8 block_state),
552
553         TP_ARGS(ip, rgd, block, len, block_state),
554
555         TP_STRUCT__entry(
556                 __field(        dev_t,  dev                     )
557                 __field(        u64,    start                   )
558                 __field(        u64,    inum                    )
559                 __field(        u32,    len                     )
560                 __field(        u8,     block_state             )
561                 __field(        u64,    rd_addr                 )
562                 __field(        u32,    rd_free_clone           )
563                 __field(        u32,    rd_reserved             )
564         ),
565
566         TP_fast_assign(
567                 __entry->dev            = rgd->rd_gl->gl_name.ln_sbd->sd_vfs->s_dev;
568                 __entry->start          = block;
569                 __entry->inum           = ip->i_no_addr;
570                 __entry->len            = len;
571                 __entry->block_state    = block_state;
572                 __entry->rd_addr        = rgd->rd_addr;
573                 __entry->rd_free_clone  = rgd->rd_free_clone;
574                 __entry->rd_reserved    = rgd->rd_reserved;
575         ),
576
577         TP_printk("%u,%u bmap %llu alloc %llu/%lu %s rg:%llu rf:%u rr:%lu",
578                   MAJOR(__entry->dev), MINOR(__entry->dev),
579                   (unsigned long long)__entry->inum,
580                   (unsigned long long)__entry->start,
581                   (unsigned long)__entry->len,
582                   block_state_name(__entry->block_state),
583                   (unsigned long long)__entry->rd_addr,
584                   __entry->rd_free_clone, (unsigned long)__entry->rd_reserved)
585 );
586
587 /* Keep track of multi-block reservations as they are allocated/freed */
588 TRACE_EVENT(gfs2_rs,
589
590         TP_PROTO(const struct gfs2_blkreserv *rs, u8 func),
591
592         TP_ARGS(rs, func),
593
594         TP_STRUCT__entry(
595                 __field(        dev_t,  dev                     )
596                 __field(        u64,    rd_addr                 )
597                 __field(        u32,    rd_free_clone           )
598                 __field(        u32,    rd_reserved             )
599                 __field(        u64,    inum                    )
600                 __field(        u64,    start                   )
601                 __field(        u32,    free                    )
602                 __field(        u8,     func                    )
603         ),
604
605         TP_fast_assign(
606                 __entry->dev            = rs->rs_rbm.rgd->rd_sbd->sd_vfs->s_dev;
607                 __entry->rd_addr        = rs->rs_rbm.rgd->rd_addr;
608                 __entry->rd_free_clone  = rs->rs_rbm.rgd->rd_free_clone;
609                 __entry->rd_reserved    = rs->rs_rbm.rgd->rd_reserved;
610                 __entry->inum           = container_of(rs, struct gfs2_inode,
611                                                        i_res)->i_no_addr;
612                 __entry->start          = gfs2_rbm_to_block(&rs->rs_rbm);
613                 __entry->free           = rs->rs_free;
614                 __entry->func           = func;
615         ),
616
617         TP_printk("%u,%u bmap %llu resrv %llu rg:%llu rf:%lu rr:%lu %s f:%lu",
618                   MAJOR(__entry->dev), MINOR(__entry->dev),
619                   (unsigned long long)__entry->inum,
620                   (unsigned long long)__entry->start,
621                   (unsigned long long)__entry->rd_addr,
622                   (unsigned long)__entry->rd_free_clone,
623                   (unsigned long)__entry->rd_reserved,
624                   rs_func_name(__entry->func), (unsigned long)__entry->free)
625 );
626
627 #endif /* _TRACE_GFS2_H */
628
629 /* This part must be outside protection */
630 #undef TRACE_INCLUDE_PATH
631 #define TRACE_INCLUDE_PATH .
632 #define TRACE_INCLUDE_FILE trace_gfs2
633 #include <trace/define_trace.h>
634