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44
45#define DEBUG_SUBSYSTEM S_RPC
46
47#include "../../include/linux/libcfs/libcfs.h"
48
49#include "../include/obd_support.h"
50#include "../include/obd_class.h"
51#include "../include/lustre_net.h"
52#include "../include/obd_cksum.h"
53#include "../include/lustre/ll_fiemap.h"
54
55#include "ptlrpc_internal.h"
56
57static inline int lustre_msg_hdr_size_v2(int count)
58{
59 return cfs_size_round(offsetof(struct lustre_msg_v2,
60 lm_buflens[count]));
61}
62
63int lustre_msg_hdr_size(__u32 magic, int count)
64{
65 switch (magic) {
66 case LUSTRE_MSG_MAGIC_V2:
67 return lustre_msg_hdr_size_v2(count);
68 default:
69 LASSERTF(0, "incorrect message magic: %08x\n", magic);
70 return -EINVAL;
71 }
72}
73EXPORT_SYMBOL(lustre_msg_hdr_size);
74
75void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
76 int index)
77{
78 if (inout)
79 lustre_set_req_swabbed(req, index);
80 else
81 lustre_set_rep_swabbed(req, index);
82}
83EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
84
85int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
86 int index)
87{
88 if (inout)
89 return (ptlrpc_req_need_swab(req) &&
90 !lustre_req_swabbed(req, index));
91 else
92 return (ptlrpc_rep_need_swab(req) &&
93 !lustre_rep_swabbed(req, index));
94}
95EXPORT_SYMBOL(ptlrpc_buf_need_swab);
96
97static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
98 __u32 version)
99{
100 __u32 ver = lustre_msg_get_version(msg);
101 return (ver & LUSTRE_VERSION_MASK) != version;
102}
103
104int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
105{
106 switch (msg->lm_magic) {
107 case LUSTRE_MSG_MAGIC_V1:
108 CERROR("msg v1 not supported - please upgrade you system\n");
109 return -EINVAL;
110 case LUSTRE_MSG_MAGIC_V2:
111 return lustre_msg_check_version_v2(msg, version);
112 default:
113 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
114 return 0;
115 }
116}
117EXPORT_SYMBOL(lustre_msg_check_version);
118
119
120int lustre_msg_early_size(void)
121{
122 static int size;
123 if (!size) {
124
125
126
127
128
129
130
131 __u32 pblen = sizeof(struct ptlrpc_body_v2);
132 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, &pblen);
133 }
134 return size;
135}
136EXPORT_SYMBOL(lustre_msg_early_size);
137
138int lustre_msg_size_v2(int count, __u32 *lengths)
139{
140 int size;
141 int i;
142
143 size = lustre_msg_hdr_size_v2(count);
144 for (i = 0; i < count; i++)
145 size += cfs_size_round(lengths[i]);
146
147 return size;
148}
149EXPORT_SYMBOL(lustre_msg_size_v2);
150
151
152
153
154
155
156
157int lustre_msg_size(__u32 magic, int count, __u32 *lens)
158{
159 __u32 size[] = { sizeof(struct ptlrpc_body) };
160
161 if (!lens) {
162 LASSERT(count == 1);
163 lens = size;
164 }
165
166 LASSERT(count > 0);
167 LASSERT(lens[MSG_PTLRPC_BODY_OFF] >= sizeof(struct ptlrpc_body_v2));
168
169 switch (magic) {
170 case LUSTRE_MSG_MAGIC_V2:
171 return lustre_msg_size_v2(count, lens);
172 default:
173 LASSERTF(0, "incorrect message magic: %08x\n", magic);
174 return -EINVAL;
175 }
176}
177EXPORT_SYMBOL(lustre_msg_size);
178
179
180
181int lustre_packed_msg_size(struct lustre_msg *msg)
182{
183 switch (msg->lm_magic) {
184 case LUSTRE_MSG_MAGIC_V2:
185 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
186 default:
187 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
188 return 0;
189 }
190}
191EXPORT_SYMBOL(lustre_packed_msg_size);
192
193void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
194 char **bufs)
195{
196 char *ptr;
197 int i;
198
199 msg->lm_bufcount = count;
200
201 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
202
203 for (i = 0; i < count; i++)
204 msg->lm_buflens[i] = lens[i];
205
206 if (bufs == NULL)
207 return;
208
209 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
210 for (i = 0; i < count; i++) {
211 char *tmp = bufs[i];
212 LOGL(tmp, lens[i], ptr);
213 }
214}
215EXPORT_SYMBOL(lustre_init_msg_v2);
216
217static int lustre_pack_request_v2(struct ptlrpc_request *req,
218 int count, __u32 *lens, char **bufs)
219{
220 int reqlen, rc;
221
222 reqlen = lustre_msg_size_v2(count, lens);
223
224 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
225 if (rc)
226 return rc;
227
228 req->rq_reqlen = reqlen;
229
230 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
231 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
232 return 0;
233}
234
235int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
236 __u32 *lens, char **bufs)
237{
238 __u32 size[] = { sizeof(struct ptlrpc_body) };
239
240 if (!lens) {
241 LASSERT(count == 1);
242 lens = size;
243 }
244
245 LASSERT(count > 0);
246 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
247
248
249 return lustre_pack_request_v2(req, count, lens, bufs);
250}
251EXPORT_SYMBOL(lustre_pack_request);
252
253#if RS_DEBUG
254LIST_HEAD(ptlrpc_rs_debug_lru);
255spinlock_t ptlrpc_rs_debug_lock;
256
257#define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
258do { \
259 spin_lock(&ptlrpc_rs_debug_lock); \
260 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
261 spin_unlock(&ptlrpc_rs_debug_lock); \
262} while (0)
263
264#define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
265do { \
266 spin_lock(&ptlrpc_rs_debug_lock); \
267 list_del(&(rs)->rs_debug_list); \
268 spin_unlock(&ptlrpc_rs_debug_lock); \
269} while (0)
270#else
271# define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while (0)
272# define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while (0)
273#endif
274
275struct ptlrpc_reply_state *
276lustre_get_emerg_rs(struct ptlrpc_service_part *svcpt)
277{
278 struct ptlrpc_reply_state *rs = NULL;
279
280 spin_lock(&svcpt->scp_rep_lock);
281
282
283 while (list_empty(&svcpt->scp_rep_idle)) {
284 struct l_wait_info lwi;
285 int rc;
286
287 spin_unlock(&svcpt->scp_rep_lock);
288
289
290 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
291 rc = l_wait_event(svcpt->scp_rep_waitq,
292 !list_empty(&svcpt->scp_rep_idle), &lwi);
293 if (rc != 0)
294 goto out;
295 spin_lock(&svcpt->scp_rep_lock);
296 }
297
298 rs = list_entry(svcpt->scp_rep_idle.next,
299 struct ptlrpc_reply_state, rs_list);
300 list_del(&rs->rs_list);
301
302 spin_unlock(&svcpt->scp_rep_lock);
303
304 memset(rs, 0, svcpt->scp_service->srv_max_reply_size);
305 rs->rs_size = svcpt->scp_service->srv_max_reply_size;
306 rs->rs_svcpt = svcpt;
307 rs->rs_prealloc = 1;
308out:
309 return rs;
310}
311
312void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
313{
314 struct ptlrpc_service_part *svcpt = rs->rs_svcpt;
315
316 spin_lock(&svcpt->scp_rep_lock);
317 list_add(&rs->rs_list, &svcpt->scp_rep_idle);
318 spin_unlock(&svcpt->scp_rep_lock);
319 wake_up(&svcpt->scp_rep_waitq);
320}
321
322int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
323 __u32 *lens, char **bufs, int flags)
324{
325 struct ptlrpc_reply_state *rs;
326 int msg_len, rc;
327
328 LASSERT(req->rq_reply_state == NULL);
329
330 if ((flags & LPRFL_EARLY_REPLY) == 0) {
331 spin_lock(&req->rq_lock);
332 req->rq_packed_final = 1;
333 spin_unlock(&req->rq_lock);
334 }
335
336 msg_len = lustre_msg_size_v2(count, lens);
337 rc = sptlrpc_svc_alloc_rs(req, msg_len);
338 if (rc)
339 return rc;
340
341 rs = req->rq_reply_state;
342 atomic_set(&rs->rs_refcount, 1);
343 rs->rs_cb_id.cbid_fn = reply_out_callback;
344 rs->rs_cb_id.cbid_arg = rs;
345 rs->rs_svcpt = req->rq_rqbd->rqbd_svcpt;
346 INIT_LIST_HEAD(&rs->rs_exp_list);
347 INIT_LIST_HEAD(&rs->rs_obd_list);
348 INIT_LIST_HEAD(&rs->rs_list);
349 spin_lock_init(&rs->rs_lock);
350
351 req->rq_replen = msg_len;
352 req->rq_reply_state = rs;
353 req->rq_repmsg = rs->rs_msg;
354
355 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
356 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
357
358 PTLRPC_RS_DEBUG_LRU_ADD(rs);
359
360 return 0;
361}
362EXPORT_SYMBOL(lustre_pack_reply_v2);
363
364int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
365 char **bufs, int flags)
366{
367 int rc = 0;
368 __u32 size[] = { sizeof(struct ptlrpc_body) };
369
370 if (!lens) {
371 LASSERT(count == 1);
372 lens = size;
373 }
374
375 LASSERT(count > 0);
376 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
377
378 switch (req->rq_reqmsg->lm_magic) {
379 case LUSTRE_MSG_MAGIC_V2:
380 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
381 break;
382 default:
383 LASSERTF(0, "incorrect message magic: %08x\n",
384 req->rq_reqmsg->lm_magic);
385 rc = -EINVAL;
386 }
387 if (rc != 0)
388 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
389 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
390 return rc;
391}
392EXPORT_SYMBOL(lustre_pack_reply_flags);
393
394int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
395 char **bufs)
396{
397 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
398}
399EXPORT_SYMBOL(lustre_pack_reply);
400
401void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
402{
403 int i, offset, buflen, bufcount;
404
405 LASSERT(m != NULL);
406 LASSERT(n >= 0);
407
408 bufcount = m->lm_bufcount;
409 if (unlikely(n >= bufcount)) {
410 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
411 m, n, bufcount);
412 return NULL;
413 }
414
415 buflen = m->lm_buflens[n];
416 if (unlikely(buflen < min_size)) {
417 CERROR("msg %p buffer[%d] size %d too small (required %d, opc=%d)\n",
418 m, n, buflen, min_size,
419 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
420 return NULL;
421 }
422
423 offset = lustre_msg_hdr_size_v2(bufcount);
424 for (i = 0; i < n; i++)
425 offset += cfs_size_round(m->lm_buflens[i]);
426
427 return (char *)m + offset;
428}
429
430void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
431{
432 switch (m->lm_magic) {
433 case LUSTRE_MSG_MAGIC_V2:
434 return lustre_msg_buf_v2(m, n, min_size);
435 default:
436 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
437 return NULL;
438 }
439}
440EXPORT_SYMBOL(lustre_msg_buf);
441
442int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
443 unsigned int newlen, int move_data)
444{
445 char *tail = NULL, *newpos;
446 int tail_len = 0, n;
447
448 LASSERT(msg);
449 LASSERT(msg->lm_bufcount > segment);
450 LASSERT(msg->lm_buflens[segment] >= newlen);
451
452 if (msg->lm_buflens[segment] == newlen)
453 goto out;
454
455 if (move_data && msg->lm_bufcount > segment + 1) {
456 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
457 for (n = segment + 1; n < msg->lm_bufcount; n++)
458 tail_len += cfs_size_round(msg->lm_buflens[n]);
459 }
460
461 msg->lm_buflens[segment] = newlen;
462
463 if (tail && tail_len) {
464 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
465 LASSERT(newpos <= tail);
466 if (newpos != tail)
467 memmove(newpos, tail, tail_len);
468 }
469out:
470 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
471}
472
473
474
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476
477
478
479
480
481
482
483
484
485
486
487
488
489int lustre_shrink_msg(struct lustre_msg *msg, int segment,
490 unsigned int newlen, int move_data)
491{
492 switch (msg->lm_magic) {
493 case LUSTRE_MSG_MAGIC_V2:
494 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
495 default:
496 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
497 }
498}
499EXPORT_SYMBOL(lustre_shrink_msg);
500
501void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
502{
503 PTLRPC_RS_DEBUG_LRU_DEL(rs);
504
505 LASSERT(atomic_read(&rs->rs_refcount) == 0);
506 LASSERT(!rs->rs_difficult || rs->rs_handled);
507 LASSERT(!rs->rs_on_net);
508 LASSERT(!rs->rs_scheduled);
509 LASSERT(rs->rs_export == NULL);
510 LASSERT(rs->rs_nlocks == 0);
511 LASSERT(list_empty(&rs->rs_exp_list));
512 LASSERT(list_empty(&rs->rs_obd_list));
513
514 sptlrpc_svc_free_rs(rs);
515}
516EXPORT_SYMBOL(lustre_free_reply_state);
517
518static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
519{
520 int swabbed, required_len, i;
521
522
523 required_len = lustre_msg_hdr_size_v2(0);
524 if (len < required_len) {
525
526 CERROR("message length %d too small for lustre_msg\n", len);
527 return -EINVAL;
528 }
529
530 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
531
532 if (swabbed) {
533 __swab32s(&m->lm_magic);
534 __swab32s(&m->lm_bufcount);
535 __swab32s(&m->lm_secflvr);
536 __swab32s(&m->lm_repsize);
537 __swab32s(&m->lm_cksum);
538 __swab32s(&m->lm_flags);
539 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
540 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
541 }
542
543 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
544 if (len < required_len) {
545
546 CERROR("message length %d too small for %d buflens\n",
547 len, m->lm_bufcount);
548 return -EINVAL;
549 }
550
551 for (i = 0; i < m->lm_bufcount; i++) {
552 if (swabbed)
553 __swab32s(&m->lm_buflens[i]);
554 required_len += cfs_size_round(m->lm_buflens[i]);
555 }
556
557 if (len < required_len) {
558 CERROR("len: %d, required_len %d\n", len, required_len);
559 CERROR("bufcount: %d\n", m->lm_bufcount);
560 for (i = 0; i < m->lm_bufcount; i++)
561 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
562 return -EINVAL;
563 }
564
565 return swabbed;
566}
567
568int __lustre_unpack_msg(struct lustre_msg *m, int len)
569{
570 int required_len, rc;
571
572
573
574
575
576
577
578 required_len = offsetof(struct lustre_msg, lm_magic) +
579 sizeof(m->lm_magic);
580 if (len < required_len) {
581
582 CERROR("message length %d too small for magic/version check\n",
583 len);
584 return -EINVAL;
585 }
586
587 rc = lustre_unpack_msg_v2(m, len);
588
589 return rc;
590}
591EXPORT_SYMBOL(__lustre_unpack_msg);
592
593int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
594{
595 int rc;
596 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
597 if (rc == 1) {
598 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
599 rc = 0;
600 }
601 return rc;
602}
603EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
604
605int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
606{
607 int rc;
608 rc = __lustre_unpack_msg(req->rq_repmsg, len);
609 if (rc == 1) {
610 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
611 rc = 0;
612 }
613 return rc;
614}
615EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
616
617static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
618 const int inout, int offset)
619{
620 struct ptlrpc_body *pb;
621 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
622
623 pb = lustre_msg_buf_v2(m, offset, sizeof(struct ptlrpc_body_v2));
624 if (!pb) {
625 CERROR("error unpacking ptlrpc body\n");
626 return -EFAULT;
627 }
628 if (ptlrpc_buf_need_swab(req, inout, offset)) {
629 lustre_swab_ptlrpc_body(pb);
630 ptlrpc_buf_set_swabbed(req, inout, offset);
631 }
632
633 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
634 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
635 return -EINVAL;
636 }
637
638 if (!inout)
639 pb->pb_status = ptlrpc_status_ntoh(pb->pb_status);
640
641 return 0;
642}
643
644int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
645{
646 switch (req->rq_reqmsg->lm_magic) {
647 case LUSTRE_MSG_MAGIC_V2:
648 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
649 default:
650 CERROR("bad lustre msg magic: %08x\n",
651 req->rq_reqmsg->lm_magic);
652 return -EINVAL;
653 }
654}
655
656int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
657{
658 switch (req->rq_repmsg->lm_magic) {
659 case LUSTRE_MSG_MAGIC_V2:
660 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
661 default:
662 CERROR("bad lustre msg magic: %08x\n",
663 req->rq_repmsg->lm_magic);
664 return -EINVAL;
665 }
666}
667
668static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
669{
670 if (n >= m->lm_bufcount)
671 return 0;
672
673 return m->lm_buflens[n];
674}
675
676
677
678
679
680
681
682
683int lustre_msg_buflen(struct lustre_msg *m, int n)
684{
685 switch (m->lm_magic) {
686 case LUSTRE_MSG_MAGIC_V2:
687 return lustre_msg_buflen_v2(m, n);
688 default:
689 CERROR("incorrect message magic: %08x\n", m->lm_magic);
690 return -EINVAL;
691 }
692}
693EXPORT_SYMBOL(lustre_msg_buflen);
694
695static inline void
696lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
697{
698 if (n >= m->lm_bufcount)
699 LBUG();
700
701 m->lm_buflens[n] = len;
702}
703
704void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
705{
706 switch (m->lm_magic) {
707 case LUSTRE_MSG_MAGIC_V2:
708 lustre_msg_set_buflen_v2(m, n, len);
709 return;
710 default:
711 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
712 }
713}
714
715EXPORT_SYMBOL(lustre_msg_set_buflen);
716
717
718
719int lustre_msg_bufcount(struct lustre_msg *m)
720{
721 switch (m->lm_magic) {
722 case LUSTRE_MSG_MAGIC_V2:
723 return m->lm_bufcount;
724 default:
725 CERROR("incorrect message magic: %08x\n", m->lm_magic);
726 return -EINVAL;
727 }
728}
729EXPORT_SYMBOL(lustre_msg_bufcount);
730
731char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
732{
733
734 char *str;
735 int slen, blen;
736
737 switch (m->lm_magic) {
738 case LUSTRE_MSG_MAGIC_V2:
739 str = lustre_msg_buf_v2(m, index, 0);
740 blen = lustre_msg_buflen_v2(m, index);
741 break;
742 default:
743 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
744 }
745
746 if (str == NULL) {
747 CERROR("can't unpack string in msg %p buffer[%d]\n", m, index);
748 return NULL;
749 }
750
751 slen = strnlen(str, blen);
752
753 if (slen == blen) {
754 CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
755 m, index, blen);
756 return NULL;
757 }
758
759 if (max_len == 0) {
760 if (slen != blen - 1) {
761 CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
762 m, index, blen, slen);
763 return NULL;
764 }
765 } else if (slen > max_len) {
766 CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
767 m, index, blen, slen, max_len);
768 return NULL;
769 }
770
771 return str;
772}
773EXPORT_SYMBOL(lustre_msg_string);
774
775
776static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
777 int min_size, void *swabber)
778{
779 void *ptr = NULL;
780
781 LASSERT(msg != NULL);
782 switch (msg->lm_magic) {
783 case LUSTRE_MSG_MAGIC_V2:
784 ptr = lustre_msg_buf_v2(msg, index, min_size);
785 break;
786 default:
787 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
788 }
789
790 if (ptr && swabber)
791 ((void (*)(void *))swabber)(ptr);
792
793 return ptr;
794}
795
796static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
797{
798 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
799 sizeof(struct ptlrpc_body_v2));
800}
801
802__u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
803{
804 switch (msg->lm_magic) {
805 case LUSTRE_MSG_MAGIC_V1:
806 case LUSTRE_MSG_MAGIC_V1_SWABBED:
807 return 0;
808 case LUSTRE_MSG_MAGIC_V2:
809
810 return msg->lm_flags;
811 default:
812 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
813 return 0;
814 }
815}
816EXPORT_SYMBOL(lustre_msghdr_get_flags);
817
818void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
819{
820 switch (msg->lm_magic) {
821 case LUSTRE_MSG_MAGIC_V1:
822 return;
823 case LUSTRE_MSG_MAGIC_V2:
824 msg->lm_flags = flags;
825 return;
826 default:
827 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
828 }
829}
830
831__u32 lustre_msg_get_flags(struct lustre_msg *msg)
832{
833 switch (msg->lm_magic) {
834 case LUSTRE_MSG_MAGIC_V2: {
835 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
836 if (!pb) {
837 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
838 return 0;
839 }
840 return pb->pb_flags;
841 }
842 default:
843
844
845 return 0;
846 }
847}
848EXPORT_SYMBOL(lustre_msg_get_flags);
849
850void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
851{
852 switch (msg->lm_magic) {
853 case LUSTRE_MSG_MAGIC_V2: {
854 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
855 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
856 pb->pb_flags |= flags;
857 return;
858 }
859 default:
860 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
861 }
862}
863EXPORT_SYMBOL(lustre_msg_add_flags);
864
865void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
866{
867 switch (msg->lm_magic) {
868 case LUSTRE_MSG_MAGIC_V2: {
869 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
870 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
871 pb->pb_flags = flags;
872 return;
873 }
874 default:
875 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
876 }
877}
878EXPORT_SYMBOL(lustre_msg_set_flags);
879
880void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
881{
882 switch (msg->lm_magic) {
883 case LUSTRE_MSG_MAGIC_V2: {
884 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
885 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
886 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
887 return;
888 }
889 default:
890 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
891 }
892}
893EXPORT_SYMBOL(lustre_msg_clear_flags);
894
895__u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
896{
897 switch (msg->lm_magic) {
898 case LUSTRE_MSG_MAGIC_V2: {
899 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
900 if (!pb) {
901 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
902 return 0;
903 }
904 return pb->pb_op_flags;
905 }
906 default:
907 return 0;
908 }
909}
910EXPORT_SYMBOL(lustre_msg_get_op_flags);
911
912void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
913{
914 switch (msg->lm_magic) {
915 case LUSTRE_MSG_MAGIC_V2: {
916 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
917 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
918 pb->pb_op_flags |= flags;
919 return;
920 }
921 default:
922 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
923 }
924}
925EXPORT_SYMBOL(lustre_msg_add_op_flags);
926
927void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
928{
929 switch (msg->lm_magic) {
930 case LUSTRE_MSG_MAGIC_V2: {
931 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
932 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
933 pb->pb_op_flags |= flags;
934 return;
935 }
936 default:
937 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
938 }
939}
940EXPORT_SYMBOL(lustre_msg_set_op_flags);
941
942struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
943{
944 switch (msg->lm_magic) {
945 case LUSTRE_MSG_MAGIC_V2: {
946 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
947 if (!pb) {
948 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
949 return NULL;
950 }
951 return &pb->pb_handle;
952 }
953 default:
954 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
955 return NULL;
956 }
957}
958EXPORT_SYMBOL(lustre_msg_get_handle);
959
960__u32 lustre_msg_get_type(struct lustre_msg *msg)
961{
962 switch (msg->lm_magic) {
963 case LUSTRE_MSG_MAGIC_V2: {
964 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
965 if (!pb) {
966 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
967 return PTL_RPC_MSG_ERR;
968 }
969 return pb->pb_type;
970 }
971 default:
972 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
973 return PTL_RPC_MSG_ERR;
974 }
975}
976EXPORT_SYMBOL(lustre_msg_get_type);
977
978__u32 lustre_msg_get_version(struct lustre_msg *msg)
979{
980 switch (msg->lm_magic) {
981 case LUSTRE_MSG_MAGIC_V2: {
982 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
983 if (!pb) {
984 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
985 return 0;
986 }
987 return pb->pb_version;
988 }
989 default:
990 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
991 return 0;
992 }
993}
994EXPORT_SYMBOL(lustre_msg_get_version);
995
996void lustre_msg_add_version(struct lustre_msg *msg, int version)
997{
998 switch (msg->lm_magic) {
999 case LUSTRE_MSG_MAGIC_V2: {
1000 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1001 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1002 pb->pb_version |= version;
1003 return;
1004 }
1005 default:
1006 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1007 }
1008}
1009EXPORT_SYMBOL(lustre_msg_add_version);
1010
1011__u32 lustre_msg_get_opc(struct lustre_msg *msg)
1012{
1013 switch (msg->lm_magic) {
1014 case LUSTRE_MSG_MAGIC_V2: {
1015 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1016 if (!pb) {
1017 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1018 return 0;
1019 }
1020 return pb->pb_opc;
1021 }
1022 default:
1023 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
1024 LBUG();
1025 return 0;
1026 }
1027}
1028EXPORT_SYMBOL(lustre_msg_get_opc);
1029
1030__u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1031{
1032 switch (msg->lm_magic) {
1033 case LUSTRE_MSG_MAGIC_V2: {
1034 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1035 if (!pb) {
1036 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1037 return 0;
1038 }
1039 return pb->pb_last_xid;
1040 }
1041 default:
1042 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1043 return 0;
1044 }
1045}
1046EXPORT_SYMBOL(lustre_msg_get_last_xid);
1047
1048__u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1049{
1050 switch (msg->lm_magic) {
1051 case LUSTRE_MSG_MAGIC_V2: {
1052 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1053 if (!pb) {
1054 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1055 return 0;
1056 }
1057 return pb->pb_last_committed;
1058 }
1059 default:
1060 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1061 return 0;
1062 }
1063}
1064EXPORT_SYMBOL(lustre_msg_get_last_committed);
1065
1066__u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1067{
1068 switch (msg->lm_magic) {
1069 case LUSTRE_MSG_MAGIC_V1:
1070 return NULL;
1071 case LUSTRE_MSG_MAGIC_V2: {
1072 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1073 if (!pb) {
1074 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1075 return NULL;
1076 }
1077 return pb->pb_pre_versions;
1078 }
1079 default:
1080 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1081 return NULL;
1082 }
1083}
1084EXPORT_SYMBOL(lustre_msg_get_versions);
1085
1086__u64 lustre_msg_get_transno(struct lustre_msg *msg)
1087{
1088 switch (msg->lm_magic) {
1089 case LUSTRE_MSG_MAGIC_V2: {
1090 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1091 if (!pb) {
1092 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1093 return 0;
1094 }
1095 return pb->pb_transno;
1096 }
1097 default:
1098 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1099 return 0;
1100 }
1101}
1102EXPORT_SYMBOL(lustre_msg_get_transno);
1103
1104int lustre_msg_get_status(struct lustre_msg *msg)
1105{
1106 switch (msg->lm_magic) {
1107 case LUSTRE_MSG_MAGIC_V2: {
1108 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1109 if (!pb) {
1110 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1111 return -EINVAL;
1112 }
1113 return pb->pb_status;
1114 }
1115 default:
1116
1117
1118 return -EINVAL;
1119 }
1120}
1121EXPORT_SYMBOL(lustre_msg_get_status);
1122
1123__u64 lustre_msg_get_slv(struct lustre_msg *msg)
1124{
1125 switch (msg->lm_magic) {
1126 case LUSTRE_MSG_MAGIC_V2: {
1127 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1128 if (!pb) {
1129 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1130 return -EINVAL;
1131 }
1132 return pb->pb_slv;
1133 }
1134 default:
1135 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1136 return -EINVAL;
1137 }
1138}
1139EXPORT_SYMBOL(lustre_msg_get_slv);
1140
1141
1142void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1143{
1144 switch (msg->lm_magic) {
1145 case LUSTRE_MSG_MAGIC_V2: {
1146 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1147 if (!pb) {
1148 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1149 return;
1150 }
1151 pb->pb_slv = slv;
1152 return;
1153 }
1154 default:
1155 CERROR("invalid msg magic %x\n", msg->lm_magic);
1156 return;
1157 }
1158}
1159EXPORT_SYMBOL(lustre_msg_set_slv);
1160
1161__u32 lustre_msg_get_limit(struct lustre_msg *msg)
1162{
1163 switch (msg->lm_magic) {
1164 case LUSTRE_MSG_MAGIC_V2: {
1165 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1166 if (!pb) {
1167 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1168 return -EINVAL;
1169 }
1170 return pb->pb_limit;
1171 }
1172 default:
1173 CERROR("invalid msg magic %x\n", msg->lm_magic);
1174 return -EINVAL;
1175 }
1176}
1177EXPORT_SYMBOL(lustre_msg_get_limit);
1178
1179
1180void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1181{
1182 switch (msg->lm_magic) {
1183 case LUSTRE_MSG_MAGIC_V2: {
1184 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1185 if (!pb) {
1186 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1187 return;
1188 }
1189 pb->pb_limit = limit;
1190 return;
1191 }
1192 default:
1193 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1194 return;
1195 }
1196}
1197EXPORT_SYMBOL(lustre_msg_set_limit);
1198
1199__u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1200{
1201 switch (msg->lm_magic) {
1202 case LUSTRE_MSG_MAGIC_V2: {
1203 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1204 if (!pb) {
1205 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1206 return 0;
1207 }
1208 return pb->pb_conn_cnt;
1209 }
1210 default:
1211 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1212 return 0;
1213 }
1214}
1215EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
1216
1217int lustre_msg_is_v1(struct lustre_msg *msg)
1218{
1219 switch (msg->lm_magic) {
1220 case LUSTRE_MSG_MAGIC_V1:
1221 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1222 return 1;
1223 default:
1224 return 0;
1225 }
1226}
1227EXPORT_SYMBOL(lustre_msg_is_v1);
1228
1229__u32 lustre_msg_get_magic(struct lustre_msg *msg)
1230{
1231 switch (msg->lm_magic) {
1232 case LUSTRE_MSG_MAGIC_V2:
1233 return msg->lm_magic;
1234 default:
1235 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1236 return 0;
1237 }
1238}
1239EXPORT_SYMBOL(lustre_msg_get_magic);
1240
1241__u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1242{
1243 switch (msg->lm_magic) {
1244 case LUSTRE_MSG_MAGIC_V1:
1245 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1246 return 0;
1247 case LUSTRE_MSG_MAGIC_V2: {
1248 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1249 if (!pb) {
1250 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1251 return 0;
1252
1253 }
1254 return pb->pb_timeout;
1255 }
1256 default:
1257 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1258 return 0;
1259 }
1260}
1261
1262__u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1263{
1264 switch (msg->lm_magic) {
1265 case LUSTRE_MSG_MAGIC_V1:
1266 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1267 return 0;
1268 case LUSTRE_MSG_MAGIC_V2: {
1269 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1270 if (!pb) {
1271 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1272 return 0;
1273
1274 }
1275 return pb->pb_service_time;
1276 }
1277 default:
1278 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1279 return 0;
1280 }
1281}
1282
1283char *lustre_msg_get_jobid(struct lustre_msg *msg)
1284{
1285 switch (msg->lm_magic) {
1286 case LUSTRE_MSG_MAGIC_V1:
1287 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1288 return NULL;
1289 case LUSTRE_MSG_MAGIC_V2: {
1290 struct ptlrpc_body *pb =
1291 lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1292 sizeof(struct ptlrpc_body));
1293 if (!pb)
1294 return NULL;
1295
1296 return pb->pb_jobid;
1297 }
1298 default:
1299 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1300 return NULL;
1301 }
1302}
1303EXPORT_SYMBOL(lustre_msg_get_jobid);
1304
1305__u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1306{
1307 switch (msg->lm_magic) {
1308 case LUSTRE_MSG_MAGIC_V2:
1309 return msg->lm_cksum;
1310 default:
1311 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1312 return 0;
1313 }
1314}
1315
1316__u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1317{
1318 switch (msg->lm_magic) {
1319 case LUSTRE_MSG_MAGIC_V2: {
1320 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1321 __u32 crc;
1322 unsigned int hsize = 4;
1323 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32, (unsigned char *)pb,
1324 lustre_msg_buflen(msg, MSG_PTLRPC_BODY_OFF),
1325 NULL, 0, (unsigned char *)&crc, &hsize);
1326 return crc;
1327 }
1328 default:
1329 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1330 return 0;
1331 }
1332}
1333
1334void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1335{
1336 switch (msg->lm_magic) {
1337 case LUSTRE_MSG_MAGIC_V2: {
1338 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1339 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1340 pb->pb_handle = *handle;
1341 return;
1342 }
1343 default:
1344 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1345 }
1346}
1347EXPORT_SYMBOL(lustre_msg_set_handle);
1348
1349void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1350{
1351 switch (msg->lm_magic) {
1352 case LUSTRE_MSG_MAGIC_V2: {
1353 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1354 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1355 pb->pb_type = type;
1356 return;
1357 }
1358 default:
1359 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1360 }
1361}
1362EXPORT_SYMBOL(lustre_msg_set_type);
1363
1364void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1365{
1366 switch (msg->lm_magic) {
1367 case LUSTRE_MSG_MAGIC_V2: {
1368 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1369 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1370 pb->pb_opc = opc;
1371 return;
1372 }
1373 default:
1374 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1375 }
1376}
1377EXPORT_SYMBOL(lustre_msg_set_opc);
1378
1379void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1380{
1381 switch (msg->lm_magic) {
1382 case LUSTRE_MSG_MAGIC_V2: {
1383 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1384 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1385 pb->pb_last_xid = last_xid;
1386 return;
1387 }
1388 default:
1389 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1390 }
1391}
1392EXPORT_SYMBOL(lustre_msg_set_last_xid);
1393
1394void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1395{
1396 switch (msg->lm_magic) {
1397 case LUSTRE_MSG_MAGIC_V2: {
1398 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1399 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1400 pb->pb_last_committed = last_committed;
1401 return;
1402 }
1403 default:
1404 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1405 }
1406}
1407EXPORT_SYMBOL(lustre_msg_set_last_committed);
1408
1409void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1410{
1411 switch (msg->lm_magic) {
1412 case LUSTRE_MSG_MAGIC_V1:
1413 return;
1414 case LUSTRE_MSG_MAGIC_V2: {
1415 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1416 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1417 pb->pb_pre_versions[0] = versions[0];
1418 pb->pb_pre_versions[1] = versions[1];
1419 pb->pb_pre_versions[2] = versions[2];
1420 pb->pb_pre_versions[3] = versions[3];
1421 return;
1422 }
1423 default:
1424 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1425 }
1426}
1427EXPORT_SYMBOL(lustre_msg_set_versions);
1428
1429void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1430{
1431 switch (msg->lm_magic) {
1432 case LUSTRE_MSG_MAGIC_V2: {
1433 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1434 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1435 pb->pb_transno = transno;
1436 return;
1437 }
1438 default:
1439 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1440 }
1441}
1442EXPORT_SYMBOL(lustre_msg_set_transno);
1443
1444void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1445{
1446 switch (msg->lm_magic) {
1447 case LUSTRE_MSG_MAGIC_V2: {
1448 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1449 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1450 pb->pb_status = status;
1451 return;
1452 }
1453 default:
1454 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1455 }
1456}
1457EXPORT_SYMBOL(lustre_msg_set_status);
1458
1459void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1460{
1461 switch (msg->lm_magic) {
1462 case LUSTRE_MSG_MAGIC_V2: {
1463 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1464 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1465 pb->pb_conn_cnt = conn_cnt;
1466 return;
1467 }
1468 default:
1469 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1470 }
1471}
1472EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
1473
1474void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1475{
1476 switch (msg->lm_magic) {
1477 case LUSTRE_MSG_MAGIC_V1:
1478 return;
1479 case LUSTRE_MSG_MAGIC_V2: {
1480 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1481 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1482 pb->pb_timeout = timeout;
1483 return;
1484 }
1485 default:
1486 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1487 }
1488}
1489
1490void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1491{
1492 switch (msg->lm_magic) {
1493 case LUSTRE_MSG_MAGIC_V1:
1494 return;
1495 case LUSTRE_MSG_MAGIC_V2: {
1496 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1497 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1498 pb->pb_service_time = service_time;
1499 return;
1500 }
1501 default:
1502 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1503 }
1504}
1505
1506void lustre_msg_set_jobid(struct lustre_msg *msg, char *jobid)
1507{
1508 switch (msg->lm_magic) {
1509 case LUSTRE_MSG_MAGIC_V1:
1510 return;
1511 case LUSTRE_MSG_MAGIC_V2: {
1512 __u32 opc = lustre_msg_get_opc(msg);
1513 struct ptlrpc_body *pb;
1514
1515
1516
1517 if (!opc || opc == LDLM_BL_CALLBACK ||
1518 opc == LDLM_CP_CALLBACK || opc == LDLM_GL_CALLBACK)
1519 return;
1520
1521 pb = lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
1522 sizeof(struct ptlrpc_body));
1523 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1524
1525 if (jobid != NULL)
1526 memcpy(pb->pb_jobid, jobid, JOBSTATS_JOBID_SIZE);
1527 else if (pb->pb_jobid[0] == '\0')
1528 lustre_get_jobid(pb->pb_jobid);
1529 return;
1530 }
1531 default:
1532 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1533 }
1534}
1535EXPORT_SYMBOL(lustre_msg_set_jobid);
1536
1537void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1538{
1539 switch (msg->lm_magic) {
1540 case LUSTRE_MSG_MAGIC_V1:
1541 return;
1542 case LUSTRE_MSG_MAGIC_V2:
1543 msg->lm_cksum = cksum;
1544 return;
1545 default:
1546 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1547 }
1548}
1549
1550
1551void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1552{
1553 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1554
1555 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1556 req->rq_pill.rc_area[RCL_SERVER]);
1557 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1558 req->rq_reqmsg->lm_repsize = req->rq_replen;
1559}
1560EXPORT_SYMBOL(ptlrpc_request_set_replen);
1561
1562void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1563{
1564 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1565 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1566 req->rq_reqmsg->lm_repsize = req->rq_replen;
1567}
1568EXPORT_SYMBOL(ptlrpc_req_set_repsize);
1569
1570
1571
1572
1573
1574
1575int do_set_info_async(struct obd_import *imp,
1576 int opcode, int version,
1577 u32 keylen, void *key,
1578 u32 vallen, void *val,
1579 struct ptlrpc_request_set *set)
1580{
1581 struct ptlrpc_request *req;
1582 char *tmp;
1583 int rc;
1584
1585 req = ptlrpc_request_alloc(imp, &RQF_OBD_SET_INFO);
1586 if (req == NULL)
1587 return -ENOMEM;
1588
1589 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY,
1590 RCL_CLIENT, keylen);
1591 req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL,
1592 RCL_CLIENT, vallen);
1593 rc = ptlrpc_request_pack(req, version, opcode);
1594 if (rc) {
1595 ptlrpc_request_free(req);
1596 return rc;
1597 }
1598
1599 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY);
1600 memcpy(tmp, key, keylen);
1601 tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL);
1602 memcpy(tmp, val, vallen);
1603
1604 ptlrpc_request_set_replen(req);
1605
1606 if (set) {
1607 ptlrpc_set_add_req(set, req);
1608 ptlrpc_check_set(NULL, set);
1609 } else {
1610 rc = ptlrpc_queue_wait(req);
1611 ptlrpc_req_finished(req);
1612 }
1613
1614 return rc;
1615}
1616EXPORT_SYMBOL(do_set_info_async);
1617
1618
1619
1620
1621void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1622{
1623 __swab32s(&b->pb_type);
1624 __swab32s(&b->pb_version);
1625 __swab32s(&b->pb_opc);
1626 __swab32s(&b->pb_status);
1627 __swab64s(&b->pb_last_xid);
1628 __swab64s(&b->pb_last_seen);
1629 __swab64s(&b->pb_last_committed);
1630 __swab64s(&b->pb_transno);
1631 __swab32s(&b->pb_flags);
1632 __swab32s(&b->pb_op_flags);
1633 __swab32s(&b->pb_conn_cnt);
1634 __swab32s(&b->pb_timeout);
1635 __swab32s(&b->pb_service_time);
1636 __swab32s(&b->pb_limit);
1637 __swab64s(&b->pb_slv);
1638 __swab64s(&b->pb_pre_versions[0]);
1639 __swab64s(&b->pb_pre_versions[1]);
1640 __swab64s(&b->pb_pre_versions[2]);
1641 __swab64s(&b->pb_pre_versions[3]);
1642 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1643
1644
1645
1646
1647
1648 CLASSERT(offsetof(typeof(*b), pb_jobid) != 0);
1649}
1650EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
1651
1652void lustre_swab_connect(struct obd_connect_data *ocd)
1653{
1654 __swab64s(&ocd->ocd_connect_flags);
1655 __swab32s(&ocd->ocd_version);
1656 __swab32s(&ocd->ocd_grant);
1657 __swab64s(&ocd->ocd_ibits_known);
1658 __swab32s(&ocd->ocd_index);
1659 __swab32s(&ocd->ocd_brw_size);
1660
1661
1662 __swab16s(&ocd->ocd_grant_extent);
1663 __swab32s(&ocd->ocd_unused);
1664 __swab64s(&ocd->ocd_transno);
1665 __swab32s(&ocd->ocd_group);
1666 __swab32s(&ocd->ocd_cksum_types);
1667 __swab32s(&ocd->ocd_instance);
1668
1669
1670
1671
1672 if (ocd->ocd_connect_flags & OBD_CONNECT_MAX_EASIZE)
1673 __swab32s(&ocd->ocd_max_easize);
1674 if (ocd->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
1675 __swab64s(&ocd->ocd_maxbytes);
1676 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1677 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1678 CLASSERT(offsetof(typeof(*ocd), padding3) != 0);
1679 CLASSERT(offsetof(typeof(*ocd), padding4) != 0);
1680 CLASSERT(offsetof(typeof(*ocd), padding5) != 0);
1681 CLASSERT(offsetof(typeof(*ocd), padding6) != 0);
1682 CLASSERT(offsetof(typeof(*ocd), padding7) != 0);
1683 CLASSERT(offsetof(typeof(*ocd), padding8) != 0);
1684 CLASSERT(offsetof(typeof(*ocd), padding9) != 0);
1685 CLASSERT(offsetof(typeof(*ocd), paddingA) != 0);
1686 CLASSERT(offsetof(typeof(*ocd), paddingB) != 0);
1687 CLASSERT(offsetof(typeof(*ocd), paddingC) != 0);
1688 CLASSERT(offsetof(typeof(*ocd), paddingD) != 0);
1689 CLASSERT(offsetof(typeof(*ocd), paddingE) != 0);
1690 CLASSERT(offsetof(typeof(*ocd), paddingF) != 0);
1691}
1692
1693void lustre_swab_obdo(struct obdo *o)
1694{
1695 __swab64s(&o->o_valid);
1696 lustre_swab_ost_id(&o->o_oi);
1697 __swab64s(&o->o_parent_seq);
1698 __swab64s(&o->o_size);
1699 __swab64s(&o->o_mtime);
1700 __swab64s(&o->o_atime);
1701 __swab64s(&o->o_ctime);
1702 __swab64s(&o->o_blocks);
1703 __swab64s(&o->o_grant);
1704 __swab32s(&o->o_blksize);
1705 __swab32s(&o->o_mode);
1706 __swab32s(&o->o_uid);
1707 __swab32s(&o->o_gid);
1708 __swab32s(&o->o_flags);
1709 __swab32s(&o->o_nlink);
1710 __swab32s(&o->o_parent_oid);
1711 __swab32s(&o->o_misc);
1712 __swab64s(&o->o_ioepoch);
1713 __swab32s(&o->o_stripe_idx);
1714 __swab32s(&o->o_parent_ver);
1715
1716
1717 __swab32s(&o->o_uid_h);
1718 __swab32s(&o->o_gid_h);
1719 __swab64s(&o->o_data_version);
1720 CLASSERT(offsetof(typeof(*o), o_padding_4) != 0);
1721 CLASSERT(offsetof(typeof(*o), o_padding_5) != 0);
1722 CLASSERT(offsetof(typeof(*o), o_padding_6) != 0);
1723
1724}
1725EXPORT_SYMBOL(lustre_swab_obdo);
1726
1727void lustre_swab_obd_statfs(struct obd_statfs *os)
1728{
1729 __swab64s(&os->os_type);
1730 __swab64s(&os->os_blocks);
1731 __swab64s(&os->os_bfree);
1732 __swab64s(&os->os_bavail);
1733 __swab64s(&os->os_files);
1734 __swab64s(&os->os_ffree);
1735
1736 __swab32s(&os->os_bsize);
1737 __swab32s(&os->os_namelen);
1738 __swab64s(&os->os_maxbytes);
1739 __swab32s(&os->os_state);
1740 CLASSERT(offsetof(typeof(*os), os_fprecreated) != 0);
1741 CLASSERT(offsetof(typeof(*os), os_spare2) != 0);
1742 CLASSERT(offsetof(typeof(*os), os_spare3) != 0);
1743 CLASSERT(offsetof(typeof(*os), os_spare4) != 0);
1744 CLASSERT(offsetof(typeof(*os), os_spare5) != 0);
1745 CLASSERT(offsetof(typeof(*os), os_spare6) != 0);
1746 CLASSERT(offsetof(typeof(*os), os_spare7) != 0);
1747 CLASSERT(offsetof(typeof(*os), os_spare8) != 0);
1748 CLASSERT(offsetof(typeof(*os), os_spare9) != 0);
1749}
1750EXPORT_SYMBOL(lustre_swab_obd_statfs);
1751
1752void lustre_swab_obd_ioobj(struct obd_ioobj *ioo)
1753{
1754 lustre_swab_ost_id(&ioo->ioo_oid);
1755 __swab32s(&ioo->ioo_max_brw);
1756 __swab32s(&ioo->ioo_bufcnt);
1757}
1758EXPORT_SYMBOL(lustre_swab_obd_ioobj);
1759
1760void lustre_swab_niobuf_remote(struct niobuf_remote *nbr)
1761{
1762 __swab64s(&nbr->offset);
1763 __swab32s(&nbr->len);
1764 __swab32s(&nbr->flags);
1765}
1766EXPORT_SYMBOL(lustre_swab_niobuf_remote);
1767
1768void lustre_swab_ost_body(struct ost_body *b)
1769{
1770 lustre_swab_obdo(&b->oa);
1771}
1772EXPORT_SYMBOL(lustre_swab_ost_body);
1773
1774void lustre_swab_ost_last_id(u64 *id)
1775{
1776 __swab64s(id);
1777}
1778EXPORT_SYMBOL(lustre_swab_ost_last_id);
1779
1780void lustre_swab_generic_32s(__u32 *val)
1781{
1782 __swab32s(val);
1783}
1784EXPORT_SYMBOL(lustre_swab_generic_32s);
1785
1786void lustre_swab_gl_desc(union ldlm_gl_desc *desc)
1787{
1788 lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid);
1789 __swab64s(&desc->lquota_desc.gl_flags);
1790 __swab64s(&desc->lquota_desc.gl_ver);
1791 __swab64s(&desc->lquota_desc.gl_hardlimit);
1792 __swab64s(&desc->lquota_desc.gl_softlimit);
1793 __swab64s(&desc->lquota_desc.gl_time);
1794 CLASSERT(offsetof(typeof(desc->lquota_desc), gl_pad2) != 0);
1795}
1796
1797void lustre_swab_ost_lvb_v1(struct ost_lvb_v1 *lvb)
1798{
1799 __swab64s(&lvb->lvb_size);
1800 __swab64s(&lvb->lvb_mtime);
1801 __swab64s(&lvb->lvb_atime);
1802 __swab64s(&lvb->lvb_ctime);
1803 __swab64s(&lvb->lvb_blocks);
1804}
1805EXPORT_SYMBOL(lustre_swab_ost_lvb_v1);
1806
1807void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1808{
1809 __swab64s(&lvb->lvb_size);
1810 __swab64s(&lvb->lvb_mtime);
1811 __swab64s(&lvb->lvb_atime);
1812 __swab64s(&lvb->lvb_ctime);
1813 __swab64s(&lvb->lvb_blocks);
1814 __swab32s(&lvb->lvb_mtime_ns);
1815 __swab32s(&lvb->lvb_atime_ns);
1816 __swab32s(&lvb->lvb_ctime_ns);
1817 __swab32s(&lvb->lvb_padding);
1818}
1819EXPORT_SYMBOL(lustre_swab_ost_lvb);
1820
1821void lustre_swab_lquota_lvb(struct lquota_lvb *lvb)
1822{
1823 __swab64s(&lvb->lvb_flags);
1824 __swab64s(&lvb->lvb_id_may_rel);
1825 __swab64s(&lvb->lvb_id_rel);
1826 __swab64s(&lvb->lvb_id_qunit);
1827 __swab64s(&lvb->lvb_pad1);
1828}
1829EXPORT_SYMBOL(lustre_swab_lquota_lvb);
1830
1831void lustre_swab_mdt_body(struct mdt_body *b)
1832{
1833 lustre_swab_lu_fid(&b->fid1);
1834 lustre_swab_lu_fid(&b->fid2);
1835
1836 __swab64s(&b->valid);
1837 __swab64s(&b->size);
1838 __swab64s(&b->mtime);
1839 __swab64s(&b->atime);
1840 __swab64s(&b->ctime);
1841 __swab64s(&b->blocks);
1842 __swab64s(&b->ioepoch);
1843 __swab64s(&b->t_state);
1844 __swab32s(&b->fsuid);
1845 __swab32s(&b->fsgid);
1846 __swab32s(&b->capability);
1847 __swab32s(&b->mode);
1848 __swab32s(&b->uid);
1849 __swab32s(&b->gid);
1850 __swab32s(&b->flags);
1851 __swab32s(&b->rdev);
1852 __swab32s(&b->nlink);
1853 CLASSERT(offsetof(typeof(*b), unused2) != 0);
1854 __swab32s(&b->suppgid);
1855 __swab32s(&b->eadatasize);
1856 __swab32s(&b->aclsize);
1857 __swab32s(&b->max_mdsize);
1858 __swab32s(&b->max_cookiesize);
1859 __swab32s(&b->uid_h);
1860 __swab32s(&b->gid_h);
1861 CLASSERT(offsetof(typeof(*b), padding_5) != 0);
1862}
1863EXPORT_SYMBOL(lustre_swab_mdt_body);
1864
1865void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b)
1866{
1867
1868 __swab64s(&b->ioepoch);
1869 __swab32s(&b->flags);
1870 CLASSERT(offsetof(typeof(*b), padding) != 0);
1871}
1872EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
1873
1874void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1875{
1876 int i;
1877 __swab32s(&mti->mti_lustre_ver);
1878 __swab32s(&mti->mti_stripe_index);
1879 __swab32s(&mti->mti_config_ver);
1880 __swab32s(&mti->mti_flags);
1881 __swab32s(&mti->mti_instance);
1882 __swab32s(&mti->mti_nid_count);
1883 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1884 for (i = 0; i < MTI_NIDS_MAX; i++)
1885 __swab64s(&mti->mti_nids[i]);
1886}
1887EXPORT_SYMBOL(lustre_swab_mgs_target_info);
1888
1889void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry)
1890{
1891 int i;
1892
1893 __swab64s(&entry->mne_version);
1894 __swab32s(&entry->mne_instance);
1895 __swab32s(&entry->mne_index);
1896 __swab32s(&entry->mne_length);
1897
1898
1899
1900 CLASSERT(sizeof(entry->mne_nid_count) == sizeof(__u8));
1901 CLASSERT(sizeof(entry->mne_nid_type) == sizeof(__u8));
1902
1903
1904 LASSERT(entry->mne_nid_type == 0);
1905 for (i = 0; i < entry->mne_nid_count; i++) {
1906 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1907 __swab64s(&entry->u.nids[i]);
1908 }
1909}
1910EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry);
1911
1912void lustre_swab_mgs_config_body(struct mgs_config_body *body)
1913{
1914 __swab64s(&body->mcb_offset);
1915 __swab32s(&body->mcb_units);
1916 __swab16s(&body->mcb_type);
1917}
1918EXPORT_SYMBOL(lustre_swab_mgs_config_body);
1919
1920void lustre_swab_mgs_config_res(struct mgs_config_res *body)
1921{
1922 __swab64s(&body->mcr_offset);
1923 __swab64s(&body->mcr_size);
1924}
1925EXPORT_SYMBOL(lustre_swab_mgs_config_res);
1926
1927static void lustre_swab_obd_dqinfo(struct obd_dqinfo *i)
1928{
1929 __swab64s(&i->dqi_bgrace);
1930 __swab64s(&i->dqi_igrace);
1931 __swab32s(&i->dqi_flags);
1932 __swab32s(&i->dqi_valid);
1933}
1934
1935static void lustre_swab_obd_dqblk(struct obd_dqblk *b)
1936{
1937 __swab64s(&b->dqb_ihardlimit);
1938 __swab64s(&b->dqb_isoftlimit);
1939 __swab64s(&b->dqb_curinodes);
1940 __swab64s(&b->dqb_bhardlimit);
1941 __swab64s(&b->dqb_bsoftlimit);
1942 __swab64s(&b->dqb_curspace);
1943 __swab64s(&b->dqb_btime);
1944 __swab64s(&b->dqb_itime);
1945 __swab32s(&b->dqb_valid);
1946 CLASSERT(offsetof(typeof(*b), dqb_padding) != 0);
1947}
1948
1949void lustre_swab_obd_quotactl(struct obd_quotactl *q)
1950{
1951 __swab32s(&q->qc_cmd);
1952 __swab32s(&q->qc_type);
1953 __swab32s(&q->qc_id);
1954 __swab32s(&q->qc_stat);
1955 lustre_swab_obd_dqinfo(&q->qc_dqinfo);
1956 lustre_swab_obd_dqblk(&q->qc_dqblk);
1957}
1958EXPORT_SYMBOL(lustre_swab_obd_quotactl);
1959
1960void lustre_swab_mdt_remote_perm(struct mdt_remote_perm *p)
1961{
1962 __swab32s(&p->rp_uid);
1963 __swab32s(&p->rp_gid);
1964 __swab32s(&p->rp_fsuid);
1965 __swab32s(&p->rp_fsuid_h);
1966 __swab32s(&p->rp_fsgid);
1967 __swab32s(&p->rp_fsgid_h);
1968 __swab32s(&p->rp_access_perm);
1969 __swab32s(&p->rp_padding);
1970};
1971EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
1972
1973void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1974{
1975 lustre_swab_lu_fid(&gf->gf_fid);
1976 __swab64s(&gf->gf_recno);
1977 __swab32s(&gf->gf_linkno);
1978 __swab32s(&gf->gf_pathlen);
1979}
1980EXPORT_SYMBOL(lustre_swab_fid2path);
1981
1982void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1983{
1984 __swab64s(&fm_extent->fe_logical);
1985 __swab64s(&fm_extent->fe_physical);
1986 __swab64s(&fm_extent->fe_length);
1987 __swab32s(&fm_extent->fe_flags);
1988 __swab32s(&fm_extent->fe_device);
1989}
1990
1991void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1992{
1993 int i;
1994
1995 __swab64s(&fiemap->fm_start);
1996 __swab64s(&fiemap->fm_length);
1997 __swab32s(&fiemap->fm_flags);
1998 __swab32s(&fiemap->fm_mapped_extents);
1999 __swab32s(&fiemap->fm_extent_count);
2000 __swab32s(&fiemap->fm_reserved);
2001
2002 for (i = 0; i < fiemap->fm_mapped_extents; i++)
2003 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
2004}
2005EXPORT_SYMBOL(lustre_swab_fiemap);
2006
2007void lustre_swab_idx_info(struct idx_info *ii)
2008{
2009 __swab32s(&ii->ii_magic);
2010 __swab32s(&ii->ii_flags);
2011 __swab16s(&ii->ii_count);
2012 __swab32s(&ii->ii_attrs);
2013 lustre_swab_lu_fid(&ii->ii_fid);
2014 __swab64s(&ii->ii_version);
2015 __swab64s(&ii->ii_hash_start);
2016 __swab64s(&ii->ii_hash_end);
2017 __swab16s(&ii->ii_keysize);
2018 __swab16s(&ii->ii_recsize);
2019}
2020
2021void lustre_swab_lip_header(struct lu_idxpage *lip)
2022{
2023
2024 __swab32s(&lip->lip_magic);
2025 __swab16s(&lip->lip_flags);
2026 __swab16s(&lip->lip_nr);
2027}
2028EXPORT_SYMBOL(lustre_swab_lip_header);
2029
2030void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
2031{
2032 __swab32s(&rr->rr_opcode);
2033 __swab32s(&rr->rr_cap);
2034 __swab32s(&rr->rr_fsuid);
2035
2036 __swab32s(&rr->rr_fsgid);
2037
2038 __swab32s(&rr->rr_suppgid1);
2039
2040 __swab32s(&rr->rr_suppgid2);
2041
2042 lustre_swab_lu_fid(&rr->rr_fid1);
2043 lustre_swab_lu_fid(&rr->rr_fid2);
2044 __swab64s(&rr->rr_mtime);
2045 __swab64s(&rr->rr_atime);
2046 __swab64s(&rr->rr_ctime);
2047 __swab64s(&rr->rr_size);
2048 __swab64s(&rr->rr_blocks);
2049 __swab32s(&rr->rr_bias);
2050 __swab32s(&rr->rr_mode);
2051 __swab32s(&rr->rr_flags);
2052 __swab32s(&rr->rr_flags_h);
2053 __swab32s(&rr->rr_umask);
2054
2055 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
2056};
2057EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
2058
2059void lustre_swab_lov_desc(struct lov_desc *ld)
2060{
2061 __swab32s(&ld->ld_tgt_count);
2062 __swab32s(&ld->ld_active_tgt_count);
2063 __swab32s(&ld->ld_default_stripe_count);
2064 __swab32s(&ld->ld_pattern);
2065 __swab64s(&ld->ld_default_stripe_size);
2066 __swab64s(&ld->ld_default_stripe_offset);
2067 __swab32s(&ld->ld_qos_maxage);
2068
2069}
2070EXPORT_SYMBOL(lustre_swab_lov_desc);
2071
2072void lustre_swab_lmv_desc(struct lmv_desc *ld)
2073{
2074 __swab32s(&ld->ld_tgt_count);
2075 __swab32s(&ld->ld_active_tgt_count);
2076 __swab32s(&ld->ld_default_stripe_count);
2077 __swab32s(&ld->ld_pattern);
2078 __swab64s(&ld->ld_default_hash_size);
2079 __swab32s(&ld->ld_qos_maxage);
2080
2081}
2082
2083void lustre_swab_lmv_stripe_md(struct lmv_stripe_md *mea)
2084{
2085 __swab32s(&mea->mea_magic);
2086 __swab32s(&mea->mea_count);
2087 __swab32s(&mea->mea_master);
2088 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
2089}
2090
2091void lustre_swab_lmv_user_md(struct lmv_user_md *lum)
2092{
2093 int i;
2094
2095 __swab32s(&lum->lum_magic);
2096 __swab32s(&lum->lum_stripe_count);
2097 __swab32s(&lum->lum_stripe_offset);
2098 __swab32s(&lum->lum_hash_type);
2099 __swab32s(&lum->lum_type);
2100 CLASSERT(offsetof(typeof(*lum), lum_padding1) != 0);
2101 CLASSERT(offsetof(typeof(*lum), lum_padding2) != 0);
2102 CLASSERT(offsetof(typeof(*lum), lum_padding3) != 0);
2103
2104 for (i = 0; i < lum->lum_stripe_count; i++) {
2105 __swab32s(&lum->lum_objects[i].lum_mds);
2106 lustre_swab_lu_fid(&lum->lum_objects[i].lum_fid);
2107 }
2108
2109}
2110EXPORT_SYMBOL(lustre_swab_lmv_user_md);
2111
2112static void print_lum(struct lov_user_md *lum)
2113{
2114 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
2115 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
2116 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
2117 CDEBUG(D_OTHER, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum->lmm_oi));
2118 CDEBUG(D_OTHER, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum->lmm_oi));
2119 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
2120 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
2121 CDEBUG(D_OTHER, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2122 lum->lmm_stripe_offset);
2123}
2124
2125static void lustre_swab_lmm_oi(struct ost_id *oi)
2126{
2127 __swab64s(&oi->oi.oi_id);
2128 __swab64s(&oi->oi.oi_seq);
2129}
2130
2131static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
2132{
2133 __swab32s(&lum->lmm_magic);
2134 __swab32s(&lum->lmm_pattern);
2135 lustre_swab_lmm_oi(&lum->lmm_oi);
2136 __swab32s(&lum->lmm_stripe_size);
2137 __swab16s(&lum->lmm_stripe_count);
2138 __swab16s(&lum->lmm_stripe_offset);
2139 print_lum(lum);
2140}
2141
2142void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
2143{
2144 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
2145 lustre_swab_lov_user_md_common(lum);
2146}
2147EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
2148
2149void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
2150{
2151 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
2152 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
2153
2154}
2155EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
2156
2157void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
2158{
2159 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
2160 __swab32s(&lmm->lmm_magic);
2161 __swab32s(&lmm->lmm_pattern);
2162 lustre_swab_lmm_oi(&lmm->lmm_oi);
2163 __swab32s(&lmm->lmm_stripe_size);
2164 __swab16s(&lmm->lmm_stripe_count);
2165 __swab16s(&lmm->lmm_layout_gen);
2166}
2167EXPORT_SYMBOL(lustre_swab_lov_mds_md);
2168
2169void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
2170 int stripe_count)
2171{
2172 int i;
2173
2174 for (i = 0; i < stripe_count; i++) {
2175 lustre_swab_ost_id(&(lod[i].l_ost_oi));
2176 __swab32s(&(lod[i].l_ost_gen));
2177 __swab32s(&(lod[i].l_ost_idx));
2178 }
2179}
2180EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
2181
2182void lustre_swab_ldlm_res_id(struct ldlm_res_id *id)
2183{
2184 int i;
2185
2186 for (i = 0; i < RES_NAME_SIZE; i++)
2187 __swab64s(&id->name[i]);
2188}
2189EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
2190
2191void lustre_swab_ldlm_policy_data(ldlm_wire_policy_data_t *d)
2192{
2193
2194
2195
2196 __swab64s(&d->l_extent.start);
2197 __swab64s(&d->l_extent.end);
2198 __swab64s(&d->l_extent.gid);
2199 __swab64s(&d->l_flock.lfw_owner);
2200 __swab32s(&d->l_flock.lfw_pid);
2201}
2202EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
2203
2204void lustre_swab_ldlm_intent(struct ldlm_intent *i)
2205{
2206 __swab64s(&i->opc);
2207}
2208EXPORT_SYMBOL(lustre_swab_ldlm_intent);
2209
2210void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc *r)
2211{
2212 __swab32s(&r->lr_type);
2213 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
2214 lustre_swab_ldlm_res_id(&r->lr_name);
2215}
2216EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
2217
2218void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l)
2219{
2220 lustre_swab_ldlm_resource_desc(&l->l_resource);
2221 __swab32s(&l->l_req_mode);
2222 __swab32s(&l->l_granted_mode);
2223 lustre_swab_ldlm_policy_data(&l->l_policy_data);
2224}
2225EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
2226
2227void lustre_swab_ldlm_request(struct ldlm_request *rq)
2228{
2229 __swab32s(&rq->lock_flags);
2230 lustre_swab_ldlm_lock_desc(&rq->lock_desc);
2231 __swab32s(&rq->lock_count);
2232
2233}
2234EXPORT_SYMBOL(lustre_swab_ldlm_request);
2235
2236void lustre_swab_ldlm_reply(struct ldlm_reply *r)
2237{
2238 __swab32s(&r->lock_flags);
2239 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
2240 lustre_swab_ldlm_lock_desc(&r->lock_desc);
2241
2242 __swab64s(&r->lock_policy_res1);
2243 __swab64s(&r->lock_policy_res2);
2244}
2245EXPORT_SYMBOL(lustre_swab_ldlm_reply);
2246
2247void lustre_swab_quota_body(struct quota_body *b)
2248{
2249 lustre_swab_lu_fid(&b->qb_fid);
2250 lustre_swab_lu_fid((struct lu_fid *)&b->qb_id);
2251 __swab32s(&b->qb_flags);
2252 __swab64s(&b->qb_count);
2253 __swab64s(&b->qb_usage);
2254 __swab64s(&b->qb_slv_ver);
2255}
2256
2257
2258void dump_ioo(struct obd_ioobj *ioo)
2259{
2260 CDEBUG(D_RPCTRACE,
2261 "obd_ioobj: ioo_oid=" DOSTID ", ioo_max_brw=%#x, ioo_bufct=%d\n",
2262 POSTID(&ioo->ioo_oid), ioo->ioo_max_brw,
2263 ioo->ioo_bufcnt);
2264}
2265EXPORT_SYMBOL(dump_ioo);
2266
2267void dump_rniobuf(struct niobuf_remote *nb)
2268{
2269 CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2270 nb->offset, nb->len, nb->flags);
2271}
2272EXPORT_SYMBOL(dump_rniobuf);
2273
2274void dump_obdo(struct obdo *oa)
2275{
2276 __u32 valid = oa->o_valid;
2277
2278 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
2279 if (valid & OBD_MD_FLID)
2280 CDEBUG(D_RPCTRACE, "obdo: id = "DOSTID"\n", POSTID(&oa->o_oi));
2281 if (valid & OBD_MD_FLFID)
2282 CDEBUG(D_RPCTRACE, "obdo: o_parent_seq = %#llx\n",
2283 oa->o_parent_seq);
2284 if (valid & OBD_MD_FLSIZE)
2285 CDEBUG(D_RPCTRACE, "obdo: o_size = %lld\n", oa->o_size);
2286 if (valid & OBD_MD_FLMTIME)
2287 CDEBUG(D_RPCTRACE, "obdo: o_mtime = %lld\n", oa->o_mtime);
2288 if (valid & OBD_MD_FLATIME)
2289 CDEBUG(D_RPCTRACE, "obdo: o_atime = %lld\n", oa->o_atime);
2290 if (valid & OBD_MD_FLCTIME)
2291 CDEBUG(D_RPCTRACE, "obdo: o_ctime = %lld\n", oa->o_ctime);
2292 if (valid & OBD_MD_FLBLOCKS)
2293 CDEBUG(D_RPCTRACE, "obdo: o_blocks = %lld\n", oa->o_blocks);
2294 if (valid & OBD_MD_FLGRANT)
2295 CDEBUG(D_RPCTRACE, "obdo: o_grant = %lld\n", oa->o_grant);
2296 if (valid & OBD_MD_FLBLKSZ)
2297 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2298 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2299 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2300 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2301 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2302 if (valid & OBD_MD_FLUID)
2303 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2304 if (valid & OBD_MD_FLUID)
2305 CDEBUG(D_RPCTRACE, "obdo: o_uid_h = %u\n", oa->o_uid_h);
2306 if (valid & OBD_MD_FLGID)
2307 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2308 if (valid & OBD_MD_FLGID)
2309 CDEBUG(D_RPCTRACE, "obdo: o_gid_h = %u\n", oa->o_gid_h);
2310 if (valid & OBD_MD_FLFLAGS)
2311 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2312 if (valid & OBD_MD_FLNLINK)
2313 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2314 else if (valid & OBD_MD_FLCKSUM)
2315 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n",
2316 oa->o_nlink);
2317 if (valid & OBD_MD_FLGENER)
2318 CDEBUG(D_RPCTRACE, "obdo: o_parent_oid = %x\n",
2319 oa->o_parent_oid);
2320 if (valid & OBD_MD_FLEPOCH)
2321 CDEBUG(D_RPCTRACE, "obdo: o_ioepoch = %lld\n",
2322 oa->o_ioepoch);
2323 if (valid & OBD_MD_FLFID) {
2324 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n",
2325 oa->o_stripe_idx);
2326 CDEBUG(D_RPCTRACE, "obdo: o_parent_ver = %x\n",
2327 oa->o_parent_ver);
2328 }
2329 if (valid & OBD_MD_FLHANDLE)
2330 CDEBUG(D_RPCTRACE, "obdo: o_handle = %lld\n",
2331 oa->o_handle.cookie);
2332 if (valid & OBD_MD_FLCOOKIE)
2333 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = (llog_cookie dumping not yet implemented)\n");
2334}
2335EXPORT_SYMBOL(dump_obdo);
2336
2337void dump_ost_body(struct ost_body *ob)
2338{
2339 dump_obdo(&ob->oa);
2340}
2341EXPORT_SYMBOL(dump_ost_body);
2342
2343void dump_rcs(__u32 *rc)
2344{
2345 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2346}
2347EXPORT_SYMBOL(dump_rcs);
2348
2349static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2350{
2351 LASSERT(req->rq_reqmsg);
2352
2353 switch (req->rq_reqmsg->lm_magic) {
2354 case LUSTRE_MSG_MAGIC_V2:
2355 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2356 default:
2357 CERROR("bad lustre msg magic: %#08X\n",
2358 req->rq_reqmsg->lm_magic);
2359 }
2360 return 0;
2361}
2362
2363static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2364{
2365 LASSERT(req->rq_repmsg);
2366
2367 switch (req->rq_repmsg->lm_magic) {
2368 case LUSTRE_MSG_MAGIC_V2:
2369 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2370 default:
2371
2372 return 0;
2373 }
2374}
2375
2376void _debug_req(struct ptlrpc_request *req,
2377 struct libcfs_debug_msg_data *msgdata,
2378 const char *fmt, ...)
2379{
2380 int req_ok = req->rq_reqmsg != NULL;
2381 int rep_ok = req->rq_repmsg != NULL;
2382 lnet_nid_t nid = LNET_NID_ANY;
2383 va_list args;
2384
2385 if (ptlrpc_req_need_swab(req)) {
2386 req_ok = req_ok && req_ptlrpc_body_swabbed(req);
2387 rep_ok = rep_ok && rep_ptlrpc_body_swabbed(req);
2388 }
2389
2390 if (req->rq_import && req->rq_import->imp_connection)
2391 nid = req->rq_import->imp_connection->c_peer.nid;
2392 else if (req->rq_export && req->rq_export->exp_connection)
2393 nid = req->rq_export->exp_connection->c_peer.nid;
2394
2395 va_start(args, fmt);
2396 libcfs_debug_vmsg2(msgdata, fmt, args,
2397 " req@%p x%llu/t%lld(%lld) o%d->%s@%s:%d/%d lens %d/%d e %d to %d dl " CFS_TIME_T " ref %d fl " REQ_FLAGS_FMT "/%x/%x rc %d/%d\n",
2398 req, req->rq_xid, req->rq_transno,
2399 req_ok ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2400 req_ok ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2401 req->rq_import ?
2402 req->rq_import->imp_obd->obd_name :
2403 req->rq_export ?
2404 req->rq_export->exp_client_uuid.uuid :
2405 "<?>",
2406 libcfs_nid2str(nid),
2407 req->rq_request_portal, req->rq_reply_portal,
2408 req->rq_reqlen, req->rq_replen,
2409 req->rq_early_count, req->rq_timedout,
2410 req->rq_deadline,
2411 atomic_read(&req->rq_refcount),
2412 DEBUG_REQ_FLAGS(req),
2413 req_ok ? lustre_msg_get_flags(req->rq_reqmsg) : -1,
2414 rep_ok ? lustre_msg_get_flags(req->rq_repmsg) : -1,
2415 req->rq_status,
2416 rep_ok ? lustre_msg_get_status(req->rq_repmsg) : -1);
2417 va_end(args);
2418}
2419EXPORT_SYMBOL(_debug_req);
2420
2421void lustre_swab_lustre_capa(struct lustre_capa *c)
2422{
2423 lustre_swab_lu_fid(&c->lc_fid);
2424 __swab64s(&c->lc_opc);
2425 __swab64s(&c->lc_uid);
2426 __swab64s(&c->lc_gid);
2427 __swab32s(&c->lc_flags);
2428 __swab32s(&c->lc_keyid);
2429 __swab32s(&c->lc_timeout);
2430 __swab32s(&c->lc_expiry);
2431}
2432EXPORT_SYMBOL(lustre_swab_lustre_capa);
2433
2434void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2435{
2436 __swab64s(&k->lk_seq);
2437 __swab32s(&k->lk_keyid);
2438 CLASSERT(offsetof(typeof(*k), lk_padding) != 0);
2439}
2440EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
2441
2442void lustre_swab_hsm_user_state(struct hsm_user_state *state)
2443{
2444 __swab32s(&state->hus_states);
2445 __swab32s(&state->hus_archive_id);
2446}
2447EXPORT_SYMBOL(lustre_swab_hsm_user_state);
2448
2449void lustre_swab_hsm_state_set(struct hsm_state_set *hss)
2450{
2451 __swab32s(&hss->hss_valid);
2452 __swab64s(&hss->hss_setmask);
2453 __swab64s(&hss->hss_clearmask);
2454 __swab32s(&hss->hss_archive_id);
2455}
2456EXPORT_SYMBOL(lustre_swab_hsm_state_set);
2457
2458void lustre_swab_hsm_extent(struct hsm_extent *extent)
2459{
2460 __swab64s(&extent->offset);
2461 __swab64s(&extent->length);
2462}
2463
2464void lustre_swab_hsm_current_action(struct hsm_current_action *action)
2465{
2466 __swab32s(&action->hca_state);
2467 __swab32s(&action->hca_action);
2468 lustre_swab_hsm_extent(&action->hca_location);
2469}
2470EXPORT_SYMBOL(lustre_swab_hsm_current_action);
2471
2472void lustre_swab_hsm_user_item(struct hsm_user_item *hui)
2473{
2474 lustre_swab_lu_fid(&hui->hui_fid);
2475 lustre_swab_hsm_extent(&hui->hui_extent);
2476}
2477EXPORT_SYMBOL(lustre_swab_hsm_user_item);
2478
2479void lustre_swab_layout_intent(struct layout_intent *li)
2480{
2481 __swab32s(&li->li_opc);
2482 __swab32s(&li->li_flags);
2483 __swab64s(&li->li_start);
2484 __swab64s(&li->li_end);
2485}
2486EXPORT_SYMBOL(lustre_swab_layout_intent);
2487
2488void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk)
2489{
2490 lustre_swab_lu_fid(&hpk->hpk_fid);
2491 __swab64s(&hpk->hpk_cookie);
2492 __swab64s(&hpk->hpk_extent.offset);
2493 __swab64s(&hpk->hpk_extent.length);
2494 __swab16s(&hpk->hpk_flags);
2495 __swab16s(&hpk->hpk_errval);
2496}
2497EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel);
2498
2499void lustre_swab_hsm_request(struct hsm_request *hr)
2500{
2501 __swab32s(&hr->hr_action);
2502 __swab32s(&hr->hr_archive_id);
2503 __swab64s(&hr->hr_flags);
2504 __swab32s(&hr->hr_itemcount);
2505 __swab32s(&hr->hr_data_len);
2506}
2507EXPORT_SYMBOL(lustre_swab_hsm_request);
2508
2509void lustre_swab_update_buf(struct update_buf *ub)
2510{
2511 __swab32s(&ub->ub_magic);
2512 __swab32s(&ub->ub_count);
2513}
2514EXPORT_SYMBOL(lustre_swab_update_buf);
2515
2516void lustre_swab_update_reply_buf(struct update_reply *ur)
2517{
2518 int i;
2519
2520 __swab32s(&ur->ur_version);
2521 __swab32s(&ur->ur_count);
2522 for (i = 0; i < ur->ur_count; i++)
2523 __swab32s(&ur->ur_lens[i]);
2524}
2525EXPORT_SYMBOL(lustre_swab_update_reply_buf);
2526
2527void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl)
2528{
2529 __swab64s(&msl->msl_flags);
2530}
2531EXPORT_SYMBOL(lustre_swab_swap_layouts);
2532
2533void lustre_swab_close_data(struct close_data *cd)
2534{
2535 lustre_swab_lu_fid(&cd->cd_fid);
2536 __swab64s(&cd->cd_data_version);
2537}
2538EXPORT_SYMBOL(lustre_swab_close_data);
2539