1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ptlrpc/pack_generic.c
38 * (Un)packing of OST requests
40 * Author: Peter J. Braam <braam@clusterfs.com>
41 * Author: Phil Schwan <phil@clusterfs.com>
42 * Author: Eric Barton <eeb@clusterfs.com>
45 #define DEBUG_SUBSYSTEM S_RPC
47 # include <liblustre.h>
50 #include <libcfs/libcfs.h>
52 #include <obd_support.h>
53 #include <obd_class.h>
54 #include <lustre_net.h>
55 #include <obd_cksum.h>
56 #include <lustre/ll_fiemap.h>
58 static inline int lustre_msg_hdr_size_v2(int count)
60 return size_round(offsetof(struct lustre_msg_v2, lm_buflens[count]));
63 int lustre_msg_hdr_size(__u32 magic, int count)
66 case LUSTRE_MSG_MAGIC_V2:
67 return lustre_msg_hdr_size_v2(count);
69 LASSERTF(0, "incorrect message magic: %08x\n", magic);
73 EXPORT_SYMBOL(lustre_msg_hdr_size);
75 void ptlrpc_buf_set_swabbed(struct ptlrpc_request *req, const int inout,
79 lustre_set_req_swabbed(req, index);
81 lustre_set_rep_swabbed(req, index);
84 int ptlrpc_buf_need_swab(struct ptlrpc_request *req, const int inout,
88 return (ptlrpc_req_need_swab(req) &&
89 !lustre_req_swabbed(req, index));
91 return (ptlrpc_rep_need_swab(req) &&
92 !lustre_rep_swabbed(req, index));
95 static inline int lustre_msg_check_version_v2(struct lustre_msg_v2 *msg,
98 __u32 ver = lustre_msg_get_version(msg);
99 return (ver & LUSTRE_VERSION_MASK) != version;
102 int lustre_msg_check_version(struct lustre_msg *msg, __u32 version)
104 switch (msg->lm_magic) {
105 case LUSTRE_MSG_MAGIC_V1:
106 CERROR("msg v1 not supported - please upgrade you system\n");
108 case LUSTRE_MSG_MAGIC_V2:
109 return lustre_msg_check_version_v2(msg, version);
111 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
116 /* early reply size */
117 int lustre_msg_early_size()
121 size = lustre_msg_size(LUSTRE_MSG_MAGIC_V2, 1, NULL);
124 EXPORT_SYMBOL(lustre_msg_early_size);
126 int lustre_msg_size_v2(int count, __u32 *lengths)
131 size = lustre_msg_hdr_size_v2(count);
132 for (i = 0; i < count; i++)
133 size += size_round(lengths[i]);
137 EXPORT_SYMBOL(lustre_msg_size_v2);
139 /* This returns the size of the buffer that is required to hold a lustre_msg
140 * with the given sub-buffer lengths.
141 * NOTE: this should only be used for NEW requests, and should always be
142 * in the form of a v2 request. If this is a connection to a v1
143 * target then the first buffer will be stripped because the ptlrpc
144 * data is part of the lustre_msg_v1 header. b=14043 */
145 int lustre_msg_size(__u32 magic, int count, __u32 *lens)
147 __u32 size[] = { sizeof(struct ptlrpc_body) };
155 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
158 case LUSTRE_MSG_MAGIC_V2:
159 return lustre_msg_size_v2(count, lens);
161 LASSERTF(0, "incorrect message magic: %08x\n", magic);
166 /* This is used to determine the size of a buffer that was already packed
167 * and will correctly handle the different message formats. */
168 int lustre_packed_msg_size(struct lustre_msg *msg)
170 switch (msg->lm_magic) {
171 case LUSTRE_MSG_MAGIC_V2:
172 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
174 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
179 void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
185 msg->lm_bufcount = count;
186 /* XXX: lm_secflvr uninitialized here */
187 msg->lm_magic = LUSTRE_MSG_MAGIC_V2;
189 for (i = 0; i < count; i++)
190 msg->lm_buflens[i] = lens[i];
195 ptr = (char *)msg + lustre_msg_hdr_size_v2(count);
196 for (i = 0; i < count; i++) {
198 LOGL(tmp, lens[i], ptr);
201 EXPORT_SYMBOL(lustre_init_msg_v2);
203 static int lustre_pack_request_v2(struct ptlrpc_request *req,
204 int count, __u32 *lens, char **bufs)
208 reqlen = lustre_msg_size_v2(count, lens);
210 rc = sptlrpc_cli_alloc_reqbuf(req, reqlen);
214 req->rq_reqlen = reqlen;
216 lustre_init_msg_v2(req->rq_reqmsg, count, lens, bufs);
217 lustre_msg_add_version(req->rq_reqmsg, PTLRPC_MSG_VERSION);
221 int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
222 __u32 *lens, char **bufs)
224 __u32 size[] = { sizeof(struct ptlrpc_body) };
232 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
234 /* only use new format, we don't need to be compatible with 1.4 */
235 magic = LUSTRE_MSG_MAGIC_V2;
238 case LUSTRE_MSG_MAGIC_V2:
239 return lustre_pack_request_v2(req, count, lens, bufs);
241 LASSERTF(0, "incorrect message magic: %08x\n", magic);
247 CFS_LIST_HEAD(ptlrpc_rs_debug_lru);
248 spinlock_t ptlrpc_rs_debug_lock;
250 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
252 spin_lock(&ptlrpc_rs_debug_lock); \
253 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
254 spin_unlock(&ptlrpc_rs_debug_lock); \
257 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
259 spin_lock(&ptlrpc_rs_debug_lock); \
260 list_del(&(rs)->rs_debug_list); \
261 spin_unlock(&ptlrpc_rs_debug_lock); \
264 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while(0)
265 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while(0)
268 struct ptlrpc_reply_state *lustre_get_emerg_rs(struct ptlrpc_service *svc)
270 struct ptlrpc_reply_state *rs = NULL;
272 spin_lock(&svc->srv_lock);
273 /* See if we have anything in a pool, and wait if nothing */
274 while (list_empty(&svc->srv_free_rs_list)) {
275 struct l_wait_info lwi;
277 spin_unlock(&svc->srv_lock);
278 /* If we cannot get anything for some long time, we better
279 bail out instead of waiting infinitely */
280 lwi = LWI_TIMEOUT(cfs_time_seconds(10), NULL, NULL);
281 rc = l_wait_event(svc->srv_free_rs_waitq,
282 !list_empty(&svc->srv_free_rs_list), &lwi);
285 spin_lock(&svc->srv_lock);
288 rs = list_entry(svc->srv_free_rs_list.next, struct ptlrpc_reply_state,
290 list_del(&rs->rs_list);
291 spin_unlock(&svc->srv_lock);
293 memset(rs, 0, svc->srv_max_reply_size);
294 rs->rs_service = svc;
300 void lustre_put_emerg_rs(struct ptlrpc_reply_state *rs)
302 struct ptlrpc_service *svc = rs->rs_service;
306 spin_lock(&svc->srv_lock);
307 list_add(&rs->rs_list, &svc->srv_free_rs_list);
308 spin_unlock(&svc->srv_lock);
309 cfs_waitq_signal(&svc->srv_free_rs_waitq);
312 int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
313 __u32 *lens, char **bufs, int flags)
315 struct ptlrpc_reply_state *rs;
319 LASSERT(req->rq_reply_state == NULL);
321 if ((flags & LPRFL_EARLY_REPLY) == 0)
322 req->rq_packed_final = 1;
324 msg_len = lustre_msg_size_v2(count, lens);
325 rc = sptlrpc_svc_alloc_rs(req, msg_len);
329 rs = req->rq_reply_state;
330 atomic_set(&rs->rs_refcount, 1); /* 1 ref for rq_reply_state */
331 rs->rs_cb_id.cbid_fn = reply_out_callback;
332 rs->rs_cb_id.cbid_arg = rs;
333 rs->rs_service = req->rq_rqbd->rqbd_service;
334 CFS_INIT_LIST_HEAD(&rs->rs_exp_list);
335 CFS_INIT_LIST_HEAD(&rs->rs_obd_list);
336 CFS_INIT_LIST_HEAD(&rs->rs_list);
337 spin_lock_init(&rs->rs_lock);
339 req->rq_replen = msg_len;
340 req->rq_reply_state = rs;
341 req->rq_repmsg = rs->rs_msg;
343 lustre_init_msg_v2(rs->rs_msg, count, lens, bufs);
344 lustre_msg_add_version(rs->rs_msg, PTLRPC_MSG_VERSION);
346 PTLRPC_RS_DEBUG_LRU_ADD(rs);
350 EXPORT_SYMBOL(lustre_pack_reply_v2);
352 int lustre_pack_reply_flags(struct ptlrpc_request *req, int count, __u32 *lens,
353 char **bufs, int flags)
356 __u32 size[] = { sizeof(struct ptlrpc_body) };
364 LASSERT(lens[MSG_PTLRPC_BODY_OFF] == sizeof(struct ptlrpc_body));
366 switch (req->rq_reqmsg->lm_magic) {
367 case LUSTRE_MSG_MAGIC_V2:
368 rc = lustre_pack_reply_v2(req, count, lens, bufs, flags);
371 LASSERTF(0, "incorrect message magic: %08x\n",
372 req->rq_reqmsg->lm_magic);
376 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc,
377 lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens));
381 int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
384 return lustre_pack_reply_flags(req, count, lens, bufs, 0);
387 void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size)
389 int i, offset, buflen, bufcount;
394 bufcount = m->lm_bufcount;
395 if (unlikely(n >= bufcount)) {
396 CDEBUG(D_INFO, "msg %p buffer[%d] not present (count %d)\n",
401 buflen = m->lm_buflens[n];
402 if (unlikely(buflen < min_size)) {
403 CERROR("msg %p buffer[%d] size %d too small "
404 "(required %d, opc=%d)\n", m, n, buflen, min_size,
405 n == MSG_PTLRPC_BODY_OFF ? -1 : lustre_msg_get_opc(m));
409 offset = lustre_msg_hdr_size_v2(bufcount);
410 for (i = 0; i < n; i++)
411 offset += size_round(m->lm_buflens[i]);
413 return (char *)m + offset;
416 void *lustre_msg_buf(struct lustre_msg *m, int n, int min_size)
418 switch (m->lm_magic) {
419 case LUSTRE_MSG_MAGIC_V2:
420 return lustre_msg_buf_v2(m, n, min_size);
422 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m->lm_magic, m);
427 int lustre_shrink_msg_v2(struct lustre_msg_v2 *msg, int segment,
428 unsigned int newlen, int move_data)
430 char *tail = NULL, *newpos;
434 LASSERT(msg->lm_bufcount > segment);
435 LASSERT(msg->lm_buflens[segment] >= newlen);
437 if (msg->lm_buflens[segment] == newlen)
440 if (move_data && msg->lm_bufcount > segment + 1) {
441 tail = lustre_msg_buf_v2(msg, segment + 1, 0);
442 for (n = segment + 1; n < msg->lm_bufcount; n++)
443 tail_len += size_round(msg->lm_buflens[n]);
446 msg->lm_buflens[segment] = newlen;
448 if (tail && tail_len) {
449 newpos = lustre_msg_buf_v2(msg, segment + 1, 0);
450 LASSERT(newpos <= tail);
452 memmove(newpos, tail, tail_len);
455 return lustre_msg_size_v2(msg->lm_bufcount, msg->lm_buflens);
459 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
460 * we also move data forward from @segment + 1.
462 * if @newlen == 0, we remove the segment completely, but we still keep the
463 * totally bufcount the same to save possible data moving. this will leave a
464 * unused segment with size 0 at the tail, but that's ok.
466 * return new msg size after shrinking.
469 * + if any buffers higher than @segment has been filled in, must call shrink
470 * with non-zero @move_data.
471 * + caller should NOT keep pointers to msg buffers which higher than @segment
474 int lustre_shrink_msg(struct lustre_msg *msg, int segment,
475 unsigned int newlen, int move_data)
477 switch (msg->lm_magic) {
478 case LUSTRE_MSG_MAGIC_V2:
479 return lustre_shrink_msg_v2(msg, segment, newlen, move_data);
481 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
485 void lustre_free_reply_state(struct ptlrpc_reply_state *rs)
487 PTLRPC_RS_DEBUG_LRU_DEL(rs);
489 LASSERT (atomic_read(&rs->rs_refcount) == 0);
490 LASSERT (!rs->rs_difficult || rs->rs_handled);
491 LASSERT (!rs->rs_on_net);
492 LASSERT (!rs->rs_scheduled);
493 LASSERT (rs->rs_export == NULL);
494 LASSERT (rs->rs_nlocks == 0);
495 LASSERT (list_empty(&rs->rs_exp_list));
496 LASSERT (list_empty(&rs->rs_obd_list));
498 sptlrpc_svc_free_rs(rs);
501 static int lustre_unpack_msg_v2(struct lustre_msg_v2 *m, int len)
503 int swabbed, required_len, i;
505 /* Now we know the sender speaks my language. */
506 required_len = lustre_msg_hdr_size_v2(0);
507 if (len < required_len) {
508 /* can't even look inside the message */
509 CERROR("message length %d too small for lustre_msg\n", len);
513 swabbed = (m->lm_magic == LUSTRE_MSG_MAGIC_V2_SWABBED);
516 __swab32s(&m->lm_magic);
517 __swab32s(&m->lm_bufcount);
518 __swab32s(&m->lm_secflvr);
519 __swab32s(&m->lm_repsize);
520 __swab32s(&m->lm_cksum);
521 __swab32s(&m->lm_flags);
522 CLASSERT(offsetof(typeof(*m), lm_padding_2) != 0);
523 CLASSERT(offsetof(typeof(*m), lm_padding_3) != 0);
526 required_len = lustre_msg_hdr_size_v2(m->lm_bufcount);
527 if (len < required_len) {
528 /* didn't receive all the buffer lengths */
529 CERROR ("message length %d too small for %d buflens\n",
530 len, m->lm_bufcount);
534 for (i = 0; i < m->lm_bufcount; i++) {
536 __swab32s(&m->lm_buflens[i]);
537 required_len += size_round(m->lm_buflens[i]);
540 if (len < required_len) {
541 CERROR("len: %d, required_len %d\n", len, required_len);
542 CERROR("bufcount: %d\n", m->lm_bufcount);
543 for (i = 0; i < m->lm_bufcount; i++)
544 CERROR("buffer %d length %d\n", i, m->lm_buflens[i]);
551 int __lustre_unpack_msg(struct lustre_msg *m, int len)
553 int required_len, rc;
556 /* We can provide a slightly better error log, if we check the
557 * message magic and version first. In the future, struct
558 * lustre_msg may grow, and we'd like to log a version mismatch,
559 * rather than a short message.
562 required_len = offsetof(struct lustre_msg, lm_magic) +
564 if (len < required_len) {
565 /* can't even look inside the message */
566 CERROR("message length %d too small for magic/version check\n",
571 rc = lustre_unpack_msg_v2(m, len);
575 EXPORT_SYMBOL(__lustre_unpack_msg);
577 int ptlrpc_unpack_req_msg(struct ptlrpc_request *req, int len)
580 rc = __lustre_unpack_msg(req->rq_reqmsg, len);
582 lustre_set_req_swabbed(req, MSG_PTLRPC_HEADER_OFF);
588 int ptlrpc_unpack_rep_msg(struct ptlrpc_request *req, int len)
591 rc = __lustre_unpack_msg(req->rq_repmsg, len);
593 lustre_set_rep_swabbed(req, MSG_PTLRPC_HEADER_OFF);
599 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request *req,
600 const int inout, int offset)
602 struct ptlrpc_body *pb;
603 struct lustre_msg_v2 *m = inout ? req->rq_reqmsg : req->rq_repmsg;
605 pb = lustre_msg_buf_v2(m, offset, sizeof(*pb));
607 CERROR("error unpacking ptlrpc body\n");
610 if (ptlrpc_buf_need_swab(req, inout, offset)) {
611 lustre_swab_ptlrpc_body(pb);
612 ptlrpc_buf_set_swabbed(req, inout, offset);
615 if ((pb->pb_version & ~LUSTRE_VERSION_MASK) != PTLRPC_MSG_VERSION) {
616 CERROR("wrong lustre_msg version %08x\n", pb->pb_version);
623 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request *req, int offset)
625 switch (req->rq_reqmsg->lm_magic) {
626 case LUSTRE_MSG_MAGIC_V2:
627 return lustre_unpack_ptlrpc_body_v2(req, 1, offset);
629 CERROR("bad lustre msg magic: %08x\n",
630 req->rq_reqmsg->lm_magic);
635 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request *req, int offset)
637 switch (req->rq_repmsg->lm_magic) {
638 case LUSTRE_MSG_MAGIC_V2:
639 return lustre_unpack_ptlrpc_body_v2(req, 0, offset);
641 CERROR("bad lustre msg magic: %08x\n",
642 req->rq_repmsg->lm_magic);
647 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2 *m, int n)
649 if (n >= m->lm_bufcount)
652 return m->lm_buflens[n];
656 * lustre_msg_buflen - return the length of buffer \a n in message \a m
657 * \param m lustre_msg (request or reply) to look at
658 * \param n message index (base 0)
660 * returns zero for non-existent message indices
662 int lustre_msg_buflen(struct lustre_msg *m, int n)
664 switch (m->lm_magic) {
665 case LUSTRE_MSG_MAGIC_V2:
666 return lustre_msg_buflen_v2(m, n);
668 CERROR("incorrect message magic: %08x\n", m->lm_magic);
672 EXPORT_SYMBOL(lustre_msg_buflen);
675 lustre_msg_set_buflen_v2(struct lustre_msg_v2 *m, int n, int len)
677 if (n >= m->lm_bufcount)
680 m->lm_buflens[n] = len;
683 void lustre_msg_set_buflen(struct lustre_msg *m, int n, int len)
685 switch (m->lm_magic) {
686 case LUSTRE_MSG_MAGIC_V2:
687 lustre_msg_set_buflen_v2(m, n, len);
690 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
694 EXPORT_SYMBOL(lustre_msg_set_buflen);
696 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
697 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
698 int lustre_msg_bufcount(struct lustre_msg *m)
700 switch (m->lm_magic) {
701 case LUSTRE_MSG_MAGIC_V2:
702 return m->lm_bufcount;
704 CERROR("incorrect message magic: %08x\n", m->lm_magic);
708 EXPORT_SYMBOL(lustre_msg_bufcount);
710 char *lustre_msg_string(struct lustre_msg *m, int index, int max_len)
712 /* max_len == 0 means the string should fill the buffer */
716 switch (m->lm_magic) {
717 case LUSTRE_MSG_MAGIC_V2:
718 str = lustre_msg_buf_v2(m, index, 0);
719 blen = lustre_msg_buflen_v2(m, index);
722 LASSERTF(0, "incorrect message magic: %08x\n", m->lm_magic);
726 CERROR ("can't unpack string in msg %p buffer[%d]\n", m, index);
730 slen = strnlen(str, blen);
732 if (slen == blen) { /* not NULL terminated */
733 CERROR("can't unpack non-NULL terminated string in "
734 "msg %p buffer[%d] len %d\n", m, index, blen);
739 if (slen != blen - 1) {
740 CERROR("can't unpack short string in msg %p "
741 "buffer[%d] len %d: strlen %d\n",
742 m, index, blen, slen);
745 } else if (slen > max_len) {
746 CERROR("can't unpack oversized string in msg %p "
747 "buffer[%d] len %d strlen %d: max %d expected\n",
748 m, index, blen, slen, max_len);
755 /* Wrap up the normal fixed length cases */
756 static inline void *__lustre_swab_buf(struct lustre_msg *msg, int index,
757 int min_size, void *swabber)
761 LASSERT(msg != NULL);
762 switch (msg->lm_magic) {
763 case LUSTRE_MSG_MAGIC_V2:
764 ptr = lustre_msg_buf_v2(msg, index, min_size);
767 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
771 ((void (*)(void *))swabber)(ptr);
776 static inline struct ptlrpc_body *lustre_msg_ptlrpc_body(struct lustre_msg *msg)
778 return lustre_msg_buf_v2(msg, MSG_PTLRPC_BODY_OFF,
779 sizeof(struct ptlrpc_body));
782 __u32 lustre_msghdr_get_flags(struct lustre_msg *msg)
784 switch (msg->lm_magic) {
785 case LUSTRE_MSG_MAGIC_V1:
786 case LUSTRE_MSG_MAGIC_V1_SWABBED:
788 case LUSTRE_MSG_MAGIC_V2:
789 /* already in host endian */
790 return msg->lm_flags;
792 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
796 EXPORT_SYMBOL(lustre_msghdr_get_flags);
798 void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags)
800 switch (msg->lm_magic) {
801 case LUSTRE_MSG_MAGIC_V1:
803 case LUSTRE_MSG_MAGIC_V2:
804 msg->lm_flags = flags;
807 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
811 __u32 lustre_msg_get_flags(struct lustre_msg *msg)
813 switch (msg->lm_magic) {
814 case LUSTRE_MSG_MAGIC_V2: {
815 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
817 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
823 /* flags might be printed in debug code while message
829 void lustre_msg_add_flags(struct lustre_msg *msg, int flags)
831 switch (msg->lm_magic) {
832 case LUSTRE_MSG_MAGIC_V2: {
833 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
834 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
835 pb->pb_flags |= flags;
839 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
843 void lustre_msg_set_flags(struct lustre_msg *msg, int flags)
845 switch (msg->lm_magic) {
846 case LUSTRE_MSG_MAGIC_V2: {
847 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
848 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
849 pb->pb_flags = flags;
853 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
857 void lustre_msg_clear_flags(struct lustre_msg *msg, int flags)
859 switch (msg->lm_magic) {
860 case LUSTRE_MSG_MAGIC_V2: {
861 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
862 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
863 pb->pb_flags &= ~(MSG_GEN_FLAG_MASK & flags);
867 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
871 __u32 lustre_msg_get_op_flags(struct lustre_msg *msg)
873 switch (msg->lm_magic) {
874 case LUSTRE_MSG_MAGIC_V2: {
875 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
877 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
880 return pb->pb_op_flags;
887 void lustre_msg_add_op_flags(struct lustre_msg *msg, int flags)
889 switch (msg->lm_magic) {
890 case LUSTRE_MSG_MAGIC_V2: {
891 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
892 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
893 pb->pb_op_flags |= flags;
897 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
901 void lustre_msg_set_op_flags(struct lustre_msg *msg, int flags)
903 switch (msg->lm_magic) {
904 case LUSTRE_MSG_MAGIC_V2: {
905 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
906 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
907 pb->pb_op_flags |= flags;
911 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
915 struct lustre_handle *lustre_msg_get_handle(struct lustre_msg *msg)
917 switch (msg->lm_magic) {
918 case LUSTRE_MSG_MAGIC_V2: {
919 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
921 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
924 return &pb->pb_handle;
927 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
932 __u32 lustre_msg_get_type(struct lustre_msg *msg)
934 switch (msg->lm_magic) {
935 case LUSTRE_MSG_MAGIC_V2: {
936 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
938 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
939 return PTL_RPC_MSG_ERR;
944 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
945 return PTL_RPC_MSG_ERR;
949 __u32 lustre_msg_get_version(struct lustre_msg *msg)
951 switch (msg->lm_magic) {
952 case LUSTRE_MSG_MAGIC_V2: {
953 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
955 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
958 return pb->pb_version;
961 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
966 void lustre_msg_add_version(struct lustre_msg *msg, int version)
968 switch (msg->lm_magic) {
969 case LUSTRE_MSG_MAGIC_V2: {
970 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
971 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
972 pb->pb_version |= version;
976 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
980 __u32 lustre_msg_get_opc(struct lustre_msg *msg)
982 switch (msg->lm_magic) {
983 case LUSTRE_MSG_MAGIC_V2: {
984 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
986 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
992 CERROR("incorrect message magic: %08x(msg:%p)\n", msg->lm_magic, msg);
998 __u64 lustre_msg_get_last_xid(struct lustre_msg *msg)
1000 switch (msg->lm_magic) {
1001 case LUSTRE_MSG_MAGIC_V2: {
1002 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1004 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1007 return pb->pb_last_xid;
1010 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1015 __u64 lustre_msg_get_last_committed(struct lustre_msg *msg)
1017 switch (msg->lm_magic) {
1018 case LUSTRE_MSG_MAGIC_V2: {
1019 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1021 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1024 return pb->pb_last_committed;
1027 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1032 __u64 *lustre_msg_get_versions(struct lustre_msg *msg)
1034 switch (msg->lm_magic) {
1035 case LUSTRE_MSG_MAGIC_V1:
1037 case LUSTRE_MSG_MAGIC_V2: {
1038 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1040 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1043 return pb->pb_pre_versions;
1046 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1051 __u64 lustre_msg_get_transno(struct lustre_msg *msg)
1053 switch (msg->lm_magic) {
1054 case LUSTRE_MSG_MAGIC_V2: {
1055 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1057 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1060 return pb->pb_transno;
1063 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1068 int lustre_msg_get_status(struct lustre_msg *msg)
1070 switch (msg->lm_magic) {
1071 case LUSTRE_MSG_MAGIC_V2: {
1072 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1074 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1077 return pb->pb_status;
1080 /* status might be printed in debug code while message
1086 __u64 lustre_msg_get_slv(struct lustre_msg *msg)
1088 switch (msg->lm_magic) {
1089 case LUSTRE_MSG_MAGIC_V2: {
1090 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1092 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1098 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1104 void lustre_msg_set_slv(struct lustre_msg *msg, __u64 slv)
1106 switch (msg->lm_magic) {
1107 case LUSTRE_MSG_MAGIC_V2: {
1108 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1110 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1117 CERROR("invalid msg magic %x\n", msg->lm_magic);
1122 __u32 lustre_msg_get_limit(struct lustre_msg *msg)
1124 switch (msg->lm_magic) {
1125 case LUSTRE_MSG_MAGIC_V2: {
1126 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1128 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1131 return pb->pb_limit;
1134 CERROR("invalid msg magic %x\n", msg->lm_magic);
1140 void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit)
1142 switch (msg->lm_magic) {
1143 case LUSTRE_MSG_MAGIC_V2: {
1144 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1146 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1149 pb->pb_limit = limit;
1153 CERROR("invalid msg magic %08x\n", msg->lm_magic);
1158 __u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg)
1160 switch (msg->lm_magic) {
1161 case LUSTRE_MSG_MAGIC_V2: {
1162 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1164 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1167 return pb->pb_conn_cnt;
1170 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1175 int lustre_msg_is_v1(struct lustre_msg *msg)
1177 switch (msg->lm_magic) {
1178 case LUSTRE_MSG_MAGIC_V1:
1179 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1186 __u32 lustre_msg_get_magic(struct lustre_msg *msg)
1188 switch (msg->lm_magic) {
1189 case LUSTRE_MSG_MAGIC_V2:
1190 return msg->lm_magic;
1192 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1197 __u32 lustre_msg_get_timeout(struct lustre_msg *msg)
1199 switch (msg->lm_magic) {
1200 case LUSTRE_MSG_MAGIC_V1:
1201 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1203 case LUSTRE_MSG_MAGIC_V2: {
1204 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1206 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1210 return pb->pb_timeout;
1213 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1218 __u32 lustre_msg_get_service_time(struct lustre_msg *msg)
1220 switch (msg->lm_magic) {
1221 case LUSTRE_MSG_MAGIC_V1:
1222 case LUSTRE_MSG_MAGIC_V1_SWABBED:
1224 case LUSTRE_MSG_MAGIC_V2: {
1225 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1227 CERROR("invalid msg %p: no ptlrpc body!\n", msg);
1231 return pb->pb_service_time;
1234 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1239 __u32 lustre_msg_get_cksum(struct lustre_msg *msg)
1241 switch (msg->lm_magic) {
1242 case LUSTRE_MSG_MAGIC_V2:
1243 return msg->lm_cksum;
1245 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1250 __u32 lustre_msg_calc_cksum(struct lustre_msg *msg)
1252 switch (msg->lm_magic) {
1253 case LUSTRE_MSG_MAGIC_V2: {
1254 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1255 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1256 return crc32_le(~(__u32)0, (unsigned char *)pb, sizeof(*pb));
1259 CERROR("incorrect message magic: %08x\n", msg->lm_magic);
1264 void lustre_msg_set_handle(struct lustre_msg *msg, struct lustre_handle *handle)
1266 switch (msg->lm_magic) {
1267 case LUSTRE_MSG_MAGIC_V2: {
1268 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1269 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1270 pb->pb_handle = *handle;
1274 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1278 void lustre_msg_set_type(struct lustre_msg *msg, __u32 type)
1280 switch (msg->lm_magic) {
1281 case LUSTRE_MSG_MAGIC_V2: {
1282 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1283 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1288 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1292 void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc)
1294 switch (msg->lm_magic) {
1295 case LUSTRE_MSG_MAGIC_V2: {
1296 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1297 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1302 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1306 void lustre_msg_set_last_xid(struct lustre_msg *msg, __u64 last_xid)
1308 switch (msg->lm_magic) {
1309 case LUSTRE_MSG_MAGIC_V2: {
1310 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1311 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1312 pb->pb_last_xid = last_xid;
1316 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1320 void lustre_msg_set_last_committed(struct lustre_msg *msg, __u64 last_committed)
1322 switch (msg->lm_magic) {
1323 case LUSTRE_MSG_MAGIC_V2: {
1324 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1325 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1326 pb->pb_last_committed = last_committed;
1330 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1334 void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions)
1336 switch (msg->lm_magic) {
1337 case LUSTRE_MSG_MAGIC_V1:
1339 case LUSTRE_MSG_MAGIC_V2: {
1340 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1341 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1342 pb->pb_pre_versions[0] = versions[0];
1343 pb->pb_pre_versions[1] = versions[1];
1344 pb->pb_pre_versions[2] = versions[2];
1345 pb->pb_pre_versions[3] = versions[3];
1349 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1353 void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno)
1355 switch (msg->lm_magic) {
1356 case LUSTRE_MSG_MAGIC_V2: {
1357 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1358 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1359 pb->pb_transno = transno;
1363 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1367 void lustre_msg_set_status(struct lustre_msg *msg, __u32 status)
1369 switch (msg->lm_magic) {
1370 case LUSTRE_MSG_MAGIC_V2: {
1371 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1372 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1373 pb->pb_status = status;
1377 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1381 void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt)
1383 switch (msg->lm_magic) {
1384 case LUSTRE_MSG_MAGIC_V2: {
1385 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1386 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1387 pb->pb_conn_cnt = conn_cnt;
1391 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1395 void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout)
1397 switch (msg->lm_magic) {
1398 case LUSTRE_MSG_MAGIC_V1:
1400 case LUSTRE_MSG_MAGIC_V2: {
1401 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1402 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1403 pb->pb_timeout = timeout;
1407 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1411 void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time)
1413 switch (msg->lm_magic) {
1414 case LUSTRE_MSG_MAGIC_V1:
1416 case LUSTRE_MSG_MAGIC_V2: {
1417 struct ptlrpc_body *pb = lustre_msg_ptlrpc_body(msg);
1418 LASSERTF(pb, "invalid msg %p: no ptlrpc body!\n", msg);
1419 pb->pb_service_time = service_time;
1423 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1427 void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum)
1429 switch (msg->lm_magic) {
1430 case LUSTRE_MSG_MAGIC_V1:
1432 case LUSTRE_MSG_MAGIC_V2:
1433 msg->lm_cksum = cksum;
1436 LASSERTF(0, "incorrect message magic: %08x\n", msg->lm_magic);
1441 void ptlrpc_request_set_replen(struct ptlrpc_request *req)
1443 int count = req_capsule_filled_sizes(&req->rq_pill, RCL_SERVER);
1445 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count,
1446 req->rq_pill.rc_area[RCL_SERVER]);
1447 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1448 req->rq_reqmsg->lm_repsize = req->rq_replen;
1451 void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *lens)
1453 req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
1454 if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
1455 req->rq_reqmsg->lm_repsize = req->rq_replen;
1458 /* byte flipping routines for all wire types declared in
1459 * lustre_idl.h implemented here.
1461 void lustre_swab_ptlrpc_body(struct ptlrpc_body *b)
1463 __swab32s (&b->pb_type);
1464 __swab32s (&b->pb_version);
1465 __swab32s (&b->pb_opc);
1466 __swab32s (&b->pb_status);
1467 __swab64s (&b->pb_last_xid);
1468 __swab64s (&b->pb_last_seen);
1469 __swab64s (&b->pb_last_committed);
1470 __swab64s (&b->pb_transno);
1471 __swab32s (&b->pb_flags);
1472 __swab32s (&b->pb_op_flags);
1473 __swab32s (&b->pb_conn_cnt);
1474 __swab32s (&b->pb_timeout);
1475 __swab32s (&b->pb_service_time);
1476 __swab32s (&b->pb_limit);
1477 __swab64s (&b->pb_slv);
1478 __swab64s (&b->pb_pre_versions[0]);
1479 __swab64s (&b->pb_pre_versions[1]);
1480 __swab64s (&b->pb_pre_versions[2]);
1481 __swab64s (&b->pb_pre_versions[3]);
1482 CLASSERT(offsetof(typeof(*b), pb_padding) != 0);
1485 void lustre_swab_connect(struct obd_connect_data *ocd)
1487 __swab64s(&ocd->ocd_connect_flags);
1488 __swab32s(&ocd->ocd_version);
1489 __swab32s(&ocd->ocd_grant);
1490 __swab64s(&ocd->ocd_ibits_known);
1491 __swab32s(&ocd->ocd_index);
1492 __swab32s(&ocd->ocd_brw_size);
1493 __swab32s(&ocd->ocd_nllu);
1494 __swab32s(&ocd->ocd_nllg);
1495 __swab64s(&ocd->ocd_transno);
1496 __swab32s(&ocd->ocd_group);
1497 __swab32s(&ocd->ocd_cksum_types);
1498 CLASSERT(offsetof(typeof(*ocd), padding1) != 0);
1499 CLASSERT(offsetof(typeof(*ocd), padding2) != 0);
1502 void lustre_swab_obdo (struct obdo *o)
1504 __swab64s (&o->o_valid);
1505 __swab64s (&o->o_id);
1506 __swab64s (&o->o_gr);
1507 __swab64s (&o->o_fid);
1508 __swab64s (&o->o_size);
1509 __swab64s (&o->o_mtime);
1510 __swab64s (&o->o_atime);
1511 __swab64s (&o->o_ctime);
1512 __swab64s (&o->o_blocks);
1513 __swab64s (&o->o_grant);
1514 __swab32s (&o->o_blksize);
1515 __swab32s (&o->o_mode);
1516 __swab32s (&o->o_uid);
1517 __swab32s (&o->o_gid);
1518 __swab32s (&o->o_flags);
1519 __swab32s (&o->o_nlink);
1520 __swab32s (&o->o_generation);
1521 __swab32s (&o->o_misc);
1522 __swab32s (&o->o_easize);
1523 __swab32s (&o->o_mds);
1524 __swab32s (&o->o_stripe_idx);
1525 __swab32s (&o->o_padding_1);
1526 /* o_inline is opaque */
1529 void lustre_swab_obd_statfs (struct obd_statfs *os)
1531 __swab64s (&os->os_type);
1532 __swab64s (&os->os_blocks);
1533 __swab64s (&os->os_bfree);
1534 __swab64s (&os->os_bavail);
1535 __swab64s (&os->os_files);
1536 __swab64s (&os->os_ffree);
1537 /* no need to swab os_fsid */
1538 __swab32s (&os->os_bsize);
1539 __swab32s (&os->os_namelen);
1540 __swab64s (&os->os_maxbytes);
1541 __swab32s (&os->os_state);
1542 /* no need to swap os_spare */
1545 void lustre_swab_obd_ioobj (struct obd_ioobj *ioo)
1547 __swab64s (&ioo->ioo_id);
1548 __swab64s (&ioo->ioo_gr);
1549 __swab32s (&ioo->ioo_type);
1550 __swab32s (&ioo->ioo_bufcnt);
1553 void lustre_swab_niobuf_remote (struct niobuf_remote *nbr)
1555 __swab64s (&nbr->offset);
1556 __swab32s (&nbr->len);
1557 __swab32s (&nbr->flags);
1560 void lustre_swab_ost_body (struct ost_body *b)
1562 lustre_swab_obdo (&b->oa);
1565 void lustre_swab_ost_last_id(obd_id *id)
1570 void lustre_swab_generic_32s(__u32 *val)
1575 void lustre_swab_ost_lvb(struct ost_lvb *lvb)
1577 __swab64s(&lvb->lvb_size);
1578 __swab64s(&lvb->lvb_mtime);
1579 __swab64s(&lvb->lvb_atime);
1580 __swab64s(&lvb->lvb_ctime);
1581 __swab64s(&lvb->lvb_blocks);
1584 void lustre_swab_mds_status_req (struct mds_status_req *r)
1586 __swab32s (&r->flags);
1587 __swab32s (&r->repbuf);
1590 void lustre_swab_mds_body (struct mds_body *b)
1592 lustre_swab_ll_fid (&b->fid1);
1593 lustre_swab_ll_fid (&b->fid2);
1594 /* handle is opaque */
1595 __swab64s (&b->valid);
1596 __swab64s (&b->size);
1597 __swab64s (&b->mtime);
1598 __swab64s (&b->atime);
1599 __swab64s (&b->ctime);
1600 __swab64s (&b->blocks);
1601 __swab64s (&b->io_epoch);
1602 __swab64s (&b->ino);
1603 __swab32s (&b->fsuid);
1604 __swab32s (&b->fsgid);
1605 __swab32s (&b->capability);
1606 __swab32s (&b->mode);
1607 __swab32s (&b->uid);
1608 __swab32s (&b->gid);
1609 __swab32s (&b->flags);
1610 __swab32s (&b->rdev);
1611 __swab32s (&b->nlink);
1612 __swab32s (&b->generation);
1613 __swab32s (&b->suppgid);
1614 __swab32s (&b->eadatasize);
1615 __swab32s (&b->aclsize);
1616 __swab32s (&b->max_mdsize);
1617 __swab32s (&b->max_cookiesize);
1618 __swab32s (&b->padding_4);
1621 void lustre_swab_mdt_body (struct mdt_body *b)
1623 lustre_swab_lu_fid (&b->fid1);
1624 lustre_swab_lu_fid (&b->fid2);
1625 /* handle is opaque */
1626 __swab64s (&b->valid);
1627 __swab64s (&b->size);
1628 __swab64s (&b->mtime);
1629 __swab64s (&b->atime);
1630 __swab64s (&b->ctime);
1631 __swab64s (&b->blocks);
1632 __swab64s (&b->ioepoch);
1633 __swab64s (&b->ino);
1634 __swab32s (&b->fsuid);
1635 __swab32s (&b->fsgid);
1636 __swab32s (&b->capability);
1637 __swab32s (&b->mode);
1638 __swab32s (&b->uid);
1639 __swab32s (&b->gid);
1640 __swab32s (&b->flags);
1641 __swab32s (&b->rdev);
1642 __swab32s (&b->nlink);
1643 __swab32s (&b->generation);
1644 __swab32s (&b->suppgid);
1645 __swab32s (&b->eadatasize);
1646 __swab32s (&b->aclsize);
1647 __swab32s (&b->max_mdsize);
1648 __swab32s (&b->max_cookiesize);
1649 __swab32s (&b->padding_4);
1652 void lustre_swab_mdt_epoch (struct mdt_epoch *b)
1654 /* handle is opaque */
1655 __swab64s (&b->ioepoch);
1656 __swab32s (&b->flags);
1657 CLASSERT(offsetof(typeof(*b), padding) != 0);
1660 void lustre_swab_mgs_target_info(struct mgs_target_info *mti)
1663 __swab32s(&mti->mti_lustre_ver);
1664 __swab32s(&mti->mti_stripe_index);
1665 __swab32s(&mti->mti_config_ver);
1666 __swab32s(&mti->mti_flags);
1667 __swab32s(&mti->mti_nid_count);
1668 CLASSERT(sizeof(lnet_nid_t) == sizeof(__u64));
1669 for (i = 0; i < MTI_NIDS_MAX; i++)
1670 __swab64s(&mti->mti_nids[i]);
1673 static void lustre_swab_obd_dqinfo (struct obd_dqinfo *i)
1675 __swab64s (&i->dqi_bgrace);
1676 __swab64s (&i->dqi_igrace);
1677 __swab32s (&i->dqi_flags);
1678 __swab32s (&i->dqi_valid);
1681 static void lustre_swab_obd_dqblk (struct obd_dqblk *b)
1683 __swab64s (&b->dqb_ihardlimit);
1684 __swab64s (&b->dqb_isoftlimit);
1685 __swab64s (&b->dqb_curinodes);
1686 __swab64s (&b->dqb_bhardlimit);
1687 __swab64s (&b->dqb_bsoftlimit);
1688 __swab64s (&b->dqb_curspace);
1689 __swab64s (&b->dqb_btime);
1690 __swab64s (&b->dqb_itime);
1691 __swab32s (&b->dqb_valid);
1692 CLASSERT(offsetof(typeof(*b), padding) != 0);
1695 void lustre_swab_obd_quotactl (struct obd_quotactl *q)
1697 __swab32s (&q->qc_cmd);
1698 __swab32s (&q->qc_type);
1699 __swab32s (&q->qc_id);
1700 __swab32s (&q->qc_stat);
1701 lustre_swab_obd_dqinfo (&q->qc_dqinfo);
1702 lustre_swab_obd_dqblk (&q->qc_dqblk);
1705 void lustre_swab_quota_adjust_qunit (struct quota_adjust_qunit *q)
1707 __swab32s (&q->qaq_flags);
1708 __swab32s (&q->qaq_id);
1709 __swab64s (&q->qaq_bunit_sz);
1710 __swab64s (&q->qaq_iunit_sz);
1711 __swab64s (&q->padding1);
1714 void lustre_swab_mds_remote_perm (struct mds_remote_perm *p)
1716 __swab32s (&p->rp_uid);
1717 __swab32s (&p->rp_gid);
1718 __swab32s (&p->rp_fsuid);
1719 __swab32s (&p->rp_fsgid);
1720 __swab32s (&p->rp_access_perm);
1723 void lustre_swab_mdt_remote_perm (struct mdt_remote_perm *p)
1725 __swab32s (&p->rp_uid);
1726 __swab32s (&p->rp_gid);
1727 __swab32s (&p->rp_fsuid);
1728 __swab32s (&p->rp_fsgid);
1729 __swab32s (&p->rp_access_perm);
1732 void lustre_swab_fid2path(struct getinfo_fid2path *gf)
1734 lustre_swab_lu_fid(&gf->gf_fid);
1735 __swab64s(&gf->gf_recno);
1736 __swab32s(&gf->gf_linkno);
1737 __swab32s(&gf->gf_pathlen);
1739 EXPORT_SYMBOL(lustre_swab_fid2path);
1741 void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent)
1743 __swab64s(&fm_extent->fe_logical);
1744 __swab64s(&fm_extent->fe_physical);
1745 __swab64s(&fm_extent->fe_length);
1746 __swab32s(&fm_extent->fe_flags);
1747 __swab32s(&fm_extent->fe_device);
1750 void lustre_swab_fiemap(struct ll_user_fiemap *fiemap)
1754 __swab64s(&fiemap->fm_start);
1755 __swab64s(&fiemap->fm_length);
1756 __swab32s(&fiemap->fm_flags);
1757 __swab32s(&fiemap->fm_mapped_extents);
1758 __swab32s(&fiemap->fm_extent_count);
1759 __swab32s(&fiemap->fm_reserved);
1761 for (i = 0; i < fiemap->fm_mapped_extents; i++)
1762 lustre_swab_fiemap_extent(&fiemap->fm_extents[i]);
1765 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr)
1767 __swab32s (&rr->rr_opcode);
1768 __swab32s (&rr->rr_cap);
1769 __swab32s (&rr->rr_fsuid);
1770 /* rr_fsuid_h is unused */
1771 __swab32s (&rr->rr_fsgid);
1772 /* rr_fsgid_h is unused */
1773 __swab32s (&rr->rr_suppgid1);
1774 /* rr_suppgid1_h is unused */
1775 __swab32s (&rr->rr_suppgid2);
1776 /* rr_suppgid2_h is unused */
1777 lustre_swab_lu_fid (&rr->rr_fid1);
1778 lustre_swab_lu_fid (&rr->rr_fid2);
1779 __swab64s (&rr->rr_mtime);
1780 __swab64s (&rr->rr_atime);
1781 __swab64s (&rr->rr_ctime);
1782 __swab64s (&rr->rr_size);
1783 __swab64s (&rr->rr_blocks);
1784 __swab32s (&rr->rr_bias);
1785 __swab32s (&rr->rr_mode);
1786 __swab32s (&rr->rr_padding_1);
1787 __swab32s (&rr->rr_padding_2);
1788 __swab32s (&rr->rr_padding_3);
1789 __swab32s (&rr->rr_padding_4);
1791 CLASSERT(offsetof(typeof(*rr), rr_padding_1) != 0);
1792 CLASSERT(offsetof(typeof(*rr), rr_padding_2) != 0);
1793 CLASSERT(offsetof(typeof(*rr), rr_padding_3) != 0);
1794 CLASSERT(offsetof(typeof(*rr), rr_padding_4) != 0);
1797 void lustre_swab_lov_desc (struct lov_desc *ld)
1799 __swab32s (&ld->ld_tgt_count);
1800 __swab32s (&ld->ld_active_tgt_count);
1801 __swab32s (&ld->ld_default_stripe_count);
1802 __swab32s (&ld->ld_pattern);
1803 __swab64s (&ld->ld_default_stripe_size);
1804 __swab64s (&ld->ld_default_stripe_offset);
1805 __swab32s (&ld->ld_qos_maxage);
1806 /* uuid endian insensitive */
1809 void lustre_swab_lmv_desc (struct lmv_desc *ld)
1811 __swab32s (&ld->ld_tgt_count);
1812 __swab32s (&ld->ld_active_tgt_count);
1813 __swab32s (&ld->ld_default_stripe_count);
1814 __swab32s (&ld->ld_pattern);
1815 __swab64s (&ld->ld_default_hash_size);
1816 __swab32s (&ld->ld_qos_maxage);
1817 /* uuid endian insensitive */
1820 void lustre_swab_lmv_stripe_md (struct lmv_stripe_md *mea)
1822 __swab32s(&mea->mea_magic);
1823 __swab32s(&mea->mea_count);
1824 __swab32s(&mea->mea_master);
1825 CLASSERT(offsetof(typeof(*mea), mea_padding) != 0);
1829 static void print_lum (struct lov_user_md *lum)
1831 CDEBUG(D_OTHER, "lov_user_md %p:\n", lum);
1832 CDEBUG(D_OTHER, "\tlmm_magic: %#x\n", lum->lmm_magic);
1833 CDEBUG(D_OTHER, "\tlmm_pattern: %#x\n", lum->lmm_pattern);
1834 CDEBUG(D_OTHER, "\tlmm_object_id: "LPU64"\n", lum->lmm_object_id);
1835 CDEBUG(D_OTHER, "\tlmm_object_gr: "LPU64"\n", lum->lmm_object_gr);
1836 CDEBUG(D_OTHER, "\tlmm_stripe_size: %#x\n", lum->lmm_stripe_size);
1837 CDEBUG(D_OTHER, "\tlmm_stripe_count: %#x\n", lum->lmm_stripe_count);
1838 CDEBUG(D_OTHER, "\tlmm_stripe_offset: %#x\n", lum->lmm_stripe_offset);
1841 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1 *lum)
1844 __swab32s(&lum->lmm_magic);
1845 __swab32s(&lum->lmm_pattern);
1846 __swab64s(&lum->lmm_object_id);
1847 __swab64s(&lum->lmm_object_gr);
1848 __swab32s(&lum->lmm_stripe_size);
1849 __swab16s(&lum->lmm_stripe_count);
1850 __swab16s(&lum->lmm_stripe_offset);
1855 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum)
1858 CDEBUG(D_IOCTL, "swabbing lov_user_md v1\n");
1859 lustre_swab_lov_user_md_common(lum);
1863 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum)
1866 CDEBUG(D_IOCTL, "swabbing lov_user_md v3\n");
1867 lustre_swab_lov_user_md_common((struct lov_user_md_v1 *)lum);
1868 /* lmm_pool_name nothing to do with char */
1872 void lustre_swab_lov_mds_md(struct lov_mds_md *lmm)
1875 CDEBUG(D_IOCTL, "swabbing lov_mds_md\n");
1876 __swab32s(&lmm->lmm_magic);
1877 __swab32s(&lmm->lmm_pattern);
1878 __swab64s(&lmm->lmm_object_id);
1879 __swab64s(&lmm->lmm_object_gr);
1880 __swab32s(&lmm->lmm_stripe_size);
1881 __swab32s(&lmm->lmm_stripe_count);
1885 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod,
1890 for (i = 0; i < stripe_count; i++) {
1891 __swab64s(&(lod[i].l_object_id));
1892 __swab64s(&(lod[i].l_object_gr));
1893 __swab32s(&(lod[i].l_ost_gen));
1894 __swab32s(&(lod[i].l_ost_idx));
1900 void lustre_swab_ldlm_res_id (struct ldlm_res_id *id)
1904 for (i = 0; i < RES_NAME_SIZE; i++)
1905 __swab64s (&id->name[i]);
1908 void lustre_swab_ldlm_policy_data (ldlm_policy_data_t *d)
1910 /* the lock data is a union and the first two fields are always an
1911 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
1912 * data the same way. */
1913 __swab64s(&d->l_extent.start);
1914 __swab64s(&d->l_extent.end);
1915 __swab64s(&d->l_extent.gid);
1916 __swab32s(&d->l_flock.pid);
1919 void lustre_swab_ldlm_intent (struct ldlm_intent *i)
1921 __swab64s (&i->opc);
1924 void lustre_swab_ldlm_resource_desc (struct ldlm_resource_desc *r)
1926 __swab32s (&r->lr_type);
1927 CLASSERT(offsetof(typeof(*r), lr_padding) != 0);
1928 lustre_swab_ldlm_res_id (&r->lr_name);
1931 void lustre_swab_ldlm_lock_desc (struct ldlm_lock_desc *l)
1933 lustre_swab_ldlm_resource_desc (&l->l_resource);
1934 __swab32s (&l->l_req_mode);
1935 __swab32s (&l->l_granted_mode);
1936 lustre_swab_ldlm_policy_data (&l->l_policy_data);
1939 void lustre_swab_ldlm_request (struct ldlm_request *rq)
1941 __swab32s (&rq->lock_flags);
1942 lustre_swab_ldlm_lock_desc (&rq->lock_desc);
1943 __swab32s (&rq->lock_count);
1944 /* lock_handle[] opaque */
1947 void lustre_swab_ldlm_reply (struct ldlm_reply *r)
1949 __swab32s (&r->lock_flags);
1950 CLASSERT(offsetof(typeof(*r), lock_padding) != 0);
1951 lustre_swab_ldlm_lock_desc (&r->lock_desc);
1952 /* lock_handle opaque */
1953 __swab64s (&r->lock_policy_res1);
1954 __swab64s (&r->lock_policy_res2);
1957 /* no one calls this */
1958 int llog_log_swabbed(struct llog_log_hdr *hdr)
1960 if (hdr->llh_hdr.lrh_type == __swab32(LLOG_HDR_MAGIC))
1962 if (hdr->llh_hdr.lrh_type == LLOG_HDR_MAGIC)
1967 void lustre_swab_qdata(struct qunit_data *d)
1969 __swab32s (&d->qd_id);
1970 __swab32s (&d->qd_flags);
1971 __swab64s (&d->qd_count);
1972 __swab64s (&d->qd_qunit);
1973 __swab64s (&d->padding);
1976 /* Dump functions */
1977 void dump_ioo(struct obd_ioobj *ioo)
1980 "obd_ioobj: ioo_id="LPD64", ioo_gr="LPD64", ioo_type=%d, "
1981 "ioo_bufct=%d\n", ioo->ioo_id, ioo->ioo_gr, ioo->ioo_type,
1985 void dump_rniobuf(struct niobuf_remote *nb)
1987 CDEBUG(D_RPCTRACE, "niobuf_remote: offset="LPU64", len=%d, flags=%x\n",
1988 nb->offset, nb->len, nb->flags);
1991 void dump_obdo(struct obdo *oa)
1993 __u32 valid = oa->o_valid;
1995 CDEBUG(D_RPCTRACE, "obdo: o_valid = %08x\n", valid);
1996 if (valid & OBD_MD_FLID)
1997 CDEBUG(D_RPCTRACE, "obdo: o_id = "LPD64"\n", oa->o_id);
1998 if (valid & OBD_MD_FLGROUP)
1999 CDEBUG(D_RPCTRACE, "obdo: o_gr = "LPD64"\n", oa->o_gr);
2000 if (valid & OBD_MD_FLFID)
2001 CDEBUG(D_RPCTRACE, "obdo: o_fid = "LPD64"\n", oa->o_fid);
2002 if (valid & OBD_MD_FLSIZE)
2003 CDEBUG(D_RPCTRACE, "obdo: o_size = "LPD64"\n", oa->o_size);
2004 if (valid & OBD_MD_FLMTIME)
2005 CDEBUG(D_RPCTRACE, "obdo: o_mtime = "LPD64"\n", oa->o_mtime);
2006 if (valid & OBD_MD_FLATIME)
2007 CDEBUG(D_RPCTRACE, "obdo: o_atime = "LPD64"\n", oa->o_atime);
2008 if (valid & OBD_MD_FLCTIME)
2009 CDEBUG(D_RPCTRACE, "obdo: o_ctime = "LPD64"\n", oa->o_ctime);
2010 if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
2011 CDEBUG(D_RPCTRACE, "obdo: o_blocks = "LPD64"\n", oa->o_blocks);
2012 if (valid & OBD_MD_FLGRANT)
2013 CDEBUG(D_RPCTRACE, "obdo: o_grant = "LPD64"\n", oa->o_grant);
2014 if (valid & OBD_MD_FLBLKSZ)
2015 CDEBUG(D_RPCTRACE, "obdo: o_blksize = %d\n", oa->o_blksize);
2016 if (valid & (OBD_MD_FLTYPE | OBD_MD_FLMODE))
2017 CDEBUG(D_RPCTRACE, "obdo: o_mode = %o\n",
2018 oa->o_mode & ((valid & OBD_MD_FLTYPE ? S_IFMT : 0) |
2019 (valid & OBD_MD_FLMODE ? ~S_IFMT : 0)));
2020 if (valid & OBD_MD_FLUID)
2021 CDEBUG(D_RPCTRACE, "obdo: o_uid = %u\n", oa->o_uid);
2022 if (valid & OBD_MD_FLGID)
2023 CDEBUG(D_RPCTRACE, "obdo: o_gid = %u\n", oa->o_gid);
2024 if (valid & OBD_MD_FLFLAGS)
2025 CDEBUG(D_RPCTRACE, "obdo: o_flags = %x\n", oa->o_flags);
2026 if (valid & OBD_MD_FLNLINK)
2027 CDEBUG(D_RPCTRACE, "obdo: o_nlink = %u\n", oa->o_nlink);
2028 else if (valid & OBD_MD_FLCKSUM)
2029 CDEBUG(D_RPCTRACE, "obdo: o_checksum (o_nlink) = %u\n", oa->o_nlink);
2030 if (valid & OBD_MD_FLGENER)
2031 CDEBUG(D_RPCTRACE, "obdo: o_generation = %u\n",
2033 if (valid & OBD_MD_FLEASIZE)
2034 CDEBUG(D_RPCTRACE, "obdo: o_easize = %u\n", oa->o_easize);
2035 else if (valid & OBD_MD_FLEPOCH)
2036 CDEBUG(D_RPCTRACE, "obdo: o_epoc (o_easize) = %u\n", oa->o_easize);
2037 if (valid & OBD_MD_FLID)
2038 CDEBUG(D_RPCTRACE, "obdo: o_stripe_idx = %u\n", oa->o_stripe_idx);
2039 if (valid & OBD_MD_FLHANDLE)
2040 CDEBUG(D_RPCTRACE, "obdo: o_handle = "LPD64"\n", oa->o_handle.cookie);
2041 if (valid & OBD_MD_FLCOOKIE)
2042 CDEBUG(D_RPCTRACE, "obdo: o_lcookie = "
2043 "(llog_cookie dumping not yet implemented)\n");
2046 void dump_ost_body(struct ost_body *ob)
2051 void dump_rcs(__u32 *rc)
2053 CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc);
2059 * got qdata from request(req/rep)
2061 struct qunit_data *quota_get_qdata(void *r, int is_req, int is_exp)
2063 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2064 struct qunit_data *qdata;
2065 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2066 req->rq_import->imp_connect_data.ocd_connect_flags;
2069 /* support for quota64 */
2070 LASSERT(flags & OBD_CONNECT_QUOTA64);
2071 /* support for change_qs */
2072 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2074 if (is_req == QUOTA_REQUEST)
2075 qdata = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2077 qdata = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2079 return ERR_PTR(-EPROTO);
2081 QDATA_SET_CHANGE_QS(qdata);
2084 EXPORT_SYMBOL(quota_get_qdata);
2087 * copy qdata to request(req/rep)
2089 int quota_copy_qdata(void *r, struct qunit_data *qdata, int is_req,
2092 struct ptlrpc_request *req = (struct ptlrpc_request *)r;
2094 __u64 flags = is_exp ? req->rq_export->exp_connect_flags :
2095 req->rq_import->imp_connect_data.ocd_connect_flags;
2099 /* support for quota64 */
2100 LASSERT(flags & OBD_CONNECT_QUOTA64);
2101 /* support for change_qs */
2102 LASSERT(flags & OBD_CONNECT_CHANGE_QS);
2104 if (is_req == QUOTA_REQUEST)
2105 target = req_capsule_client_get(&req->rq_pill, &RMF_QUNIT_DATA);
2107 target = req_capsule_server_get(&req->rq_pill, &RMF_QUNIT_DATA);
2111 LASSERT(target != qdata);
2112 memcpy(target, qdata, sizeof(*qdata));
2115 EXPORT_SYMBOL(quota_copy_qdata);
2116 #endif /* __KERNEL__ */
2118 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2120 LASSERT(req->rq_reqmsg);
2122 switch (req->rq_reqmsg->lm_magic) {
2123 case LUSTRE_MSG_MAGIC_V2:
2124 return lustre_req_swabbed(req, MSG_PTLRPC_BODY_OFF);
2126 CERROR("bad lustre msg magic: %#08X\n",
2127 req->rq_reqmsg->lm_magic);
2132 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request *req)
2134 LASSERT(req->rq_repmsg);
2136 switch (req->rq_repmsg->lm_magic) {
2137 case LUSTRE_MSG_MAGIC_V2:
2138 return lustre_rep_swabbed(req, MSG_PTLRPC_BODY_OFF);
2140 /* uninitialized yet */
2145 void _debug_req(struct ptlrpc_request *req, __u32 mask,
2146 struct libcfs_debug_msg_data *data, const char *fmt, ... )
2149 va_start(args, fmt);
2150 libcfs_debug_vmsg2(data->msg_cdls, data->msg_subsys, mask, data->msg_file,
2151 data->msg_fn, data->msg_line, fmt, args,
2152 " req@%p x"LPU64"/t"LPD64"("LPD64") o%d->%s@%s:%d/%d"
2153 " lens %d/%d e %d to %d dl "CFS_TIME_T" ref %d "
2154 "fl "REQ_FLAGS_FMT"/%x/%x rc %d/%d\n",
2155 req, req->rq_xid, req->rq_transno,
2156 req->rq_reqmsg ? lustre_msg_get_transno(req->rq_reqmsg) : 0,
2157 req->rq_reqmsg ? lustre_msg_get_opc(req->rq_reqmsg) : -1,
2158 req->rq_import ? obd2cli_tgt(req->rq_import->imp_obd) :
2160 (char*)req->rq_export->exp_client_uuid.uuid : "<?>",
2162 (char *)req->rq_import->imp_connection->c_remote_uuid.uuid :
2164 (char *)req->rq_export->exp_connection->c_remote_uuid.uuid : "<?>",
2165 req->rq_request_portal, req->rq_reply_portal,
2166 req->rq_reqlen, req->rq_replen,
2167 req->rq_early_count, req->rq_timedout, req->rq_deadline,
2168 atomic_read(&req->rq_refcount), DEBUG_REQ_FLAGS(req),
2169 req->rq_reqmsg && req_ptlrpc_body_swabbed(req) ?
2170 lustre_msg_get_flags(req->rq_reqmsg) : -1,
2171 req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
2172 lustre_msg_get_flags(req->rq_repmsg) : -1,
2174 req->rq_repmsg && rep_ptlrpc_body_swabbed(req) ?
2175 lustre_msg_get_status(req->rq_repmsg) : -1);
2177 EXPORT_SYMBOL(_debug_req);
2179 void lustre_swab_lustre_capa(struct lustre_capa *c)
2181 lustre_swab_lu_fid(&c->lc_fid);
2182 __swab64s (&c->lc_opc);
2183 __swab64s (&c->lc_uid);
2184 __swab64s (&c->lc_gid);
2185 __swab32s (&c->lc_flags);
2186 __swab32s (&c->lc_keyid);
2187 __swab32s (&c->lc_timeout);
2188 __swab32s (&c->lc_expiry);
2191 void lustre_swab_lustre_capa_key(struct lustre_capa_key *k)
2193 __swab64s (&k->lk_mdsid);
2194 __swab32s (&k->lk_keyid);
2195 __swab32s (&k->lk_padding);
2198 void lustre_swab_lnlh(struct lnl_hdr *l)
2200 __swab16s(&l->lnl_magic);
2201 /* __u8 l->lnl_transport */
2202 __swab16s(&l->lnl_msgtype);
2203 __swab16s(&l->lnl_msglen);
2205 EXPORT_SYMBOL(lustre_swab_lnlh);