4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Intel Corporation.
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 "../../include/linux/libcfs/libcfs.h"
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"
55 static inline int lustre_msg_hdr_size_v2(int count
)
57 return cfs_size_round(offsetof(struct lustre_msg_v2
,
61 int lustre_msg_hdr_size(__u32 magic
, int count
)
64 case LUSTRE_MSG_MAGIC_V2
:
65 return lustre_msg_hdr_size_v2(count
);
67 LASSERTF(0, "incorrect message magic: %08x\n", magic
);
71 EXPORT_SYMBOL(lustre_msg_hdr_size
);
73 void ptlrpc_buf_set_swabbed(struct ptlrpc_request
*req
, const int inout
,
77 lustre_set_req_swabbed(req
, index
);
79 lustre_set_rep_swabbed(req
, index
);
81 EXPORT_SYMBOL(ptlrpc_buf_set_swabbed
);
83 int ptlrpc_buf_need_swab(struct ptlrpc_request
*req
, const int inout
,
87 return (ptlrpc_req_need_swab(req
) &&
88 !lustre_req_swabbed(req
, index
));
90 return (ptlrpc_rep_need_swab(req
) &&
91 !lustre_rep_swabbed(req
, index
));
93 EXPORT_SYMBOL(ptlrpc_buf_need_swab
);
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
);
115 EXPORT_SYMBOL(lustre_msg_check_version
);
117 /* early reply size */
118 int lustre_msg_early_size(void)
122 /* Always reply old ptlrpc_body_v2 to keep interoperability
123 * with the old client (< 2.3) which doesn't have pb_jobid
124 * in the ptlrpc_body.
126 * XXX Remove this whenever we drop interoperability with such
129 __u32 pblen
= sizeof(struct ptlrpc_body_v2
);
130 size
= lustre_msg_size(LUSTRE_MSG_MAGIC_V2
, 1, &pblen
);
134 EXPORT_SYMBOL(lustre_msg_early_size
);
136 int lustre_msg_size_v2(int count
, __u32
*lengths
)
141 size
= lustre_msg_hdr_size_v2(count
);
142 for (i
= 0; i
< count
; i
++)
143 size
+= cfs_size_round(lengths
[i
]);
147 EXPORT_SYMBOL(lustre_msg_size_v2
);
149 /* This returns the size of the buffer that is required to hold a lustre_msg
150 * with the given sub-buffer lengths.
151 * NOTE: this should only be used for NEW requests, and should always be
152 * in the form of a v2 request. If this is a connection to a v1
153 * target then the first buffer will be stripped because the ptlrpc
154 * data is part of the lustre_msg_v1 header. b=14043 */
155 int lustre_msg_size(__u32 magic
, int count
, __u32
*lens
)
157 __u32 size
[] = { sizeof(struct ptlrpc_body
) };
165 LASSERT(lens
[MSG_PTLRPC_BODY_OFF
] >= sizeof(struct ptlrpc_body_v2
));
168 case LUSTRE_MSG_MAGIC_V2
:
169 return lustre_msg_size_v2(count
, lens
);
171 LASSERTF(0, "incorrect message magic: %08x\n", magic
);
175 EXPORT_SYMBOL(lustre_msg_size
);
177 /* This is used to determine the size of a buffer that was already packed
178 * and will correctly handle the different message formats. */
179 int lustre_packed_msg_size(struct lustre_msg
*msg
)
181 switch (msg
->lm_magic
) {
182 case LUSTRE_MSG_MAGIC_V2
:
183 return lustre_msg_size_v2(msg
->lm_bufcount
, msg
->lm_buflens
);
185 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
189 EXPORT_SYMBOL(lustre_packed_msg_size
);
191 void lustre_init_msg_v2(struct lustre_msg_v2
*msg
, int count
, __u32
*lens
,
197 msg
->lm_bufcount
= count
;
198 /* XXX: lm_secflvr uninitialized here */
199 msg
->lm_magic
= LUSTRE_MSG_MAGIC_V2
;
201 for (i
= 0; i
< count
; i
++)
202 msg
->lm_buflens
[i
] = lens
[i
];
207 ptr
= (char *)msg
+ lustre_msg_hdr_size_v2(count
);
208 for (i
= 0; i
< count
; i
++) {
210 LOGL(tmp
, lens
[i
], ptr
);
213 EXPORT_SYMBOL(lustre_init_msg_v2
);
215 static int lustre_pack_request_v2(struct ptlrpc_request
*req
,
216 int count
, __u32
*lens
, char **bufs
)
220 reqlen
= lustre_msg_size_v2(count
, lens
);
222 rc
= sptlrpc_cli_alloc_reqbuf(req
, reqlen
);
226 req
->rq_reqlen
= reqlen
;
228 lustre_init_msg_v2(req
->rq_reqmsg
, count
, lens
, bufs
);
229 lustre_msg_add_version(req
->rq_reqmsg
, PTLRPC_MSG_VERSION
);
233 int lustre_pack_request(struct ptlrpc_request
*req
, __u32 magic
, int count
,
234 __u32
*lens
, char **bufs
)
236 __u32 size
[] = { sizeof(struct ptlrpc_body
) };
244 LASSERT(lens
[MSG_PTLRPC_BODY_OFF
] == sizeof(struct ptlrpc_body
));
246 /* only use new format, we don't need to be compatible with 1.4 */
247 return lustre_pack_request_v2(req
, count
, lens
, bufs
);
249 EXPORT_SYMBOL(lustre_pack_request
);
252 LIST_HEAD(ptlrpc_rs_debug_lru
);
253 spinlock_t ptlrpc_rs_debug_lock
;
255 #define PTLRPC_RS_DEBUG_LRU_ADD(rs) \
257 spin_lock(&ptlrpc_rs_debug_lock); \
258 list_add_tail(&(rs)->rs_debug_list, &ptlrpc_rs_debug_lru); \
259 spin_unlock(&ptlrpc_rs_debug_lock); \
262 #define PTLRPC_RS_DEBUG_LRU_DEL(rs) \
264 spin_lock(&ptlrpc_rs_debug_lock); \
265 list_del(&(rs)->rs_debug_list); \
266 spin_unlock(&ptlrpc_rs_debug_lock); \
269 # define PTLRPC_RS_DEBUG_LRU_ADD(rs) do {} while (0)
270 # define PTLRPC_RS_DEBUG_LRU_DEL(rs) do {} while (0)
273 struct ptlrpc_reply_state
*
274 lustre_get_emerg_rs(struct ptlrpc_service_part
*svcpt
)
276 struct ptlrpc_reply_state
*rs
= NULL
;
278 spin_lock(&svcpt
->scp_rep_lock
);
280 /* See if we have anything in a pool, and wait if nothing */
281 while (list_empty(&svcpt
->scp_rep_idle
)) {
282 struct l_wait_info lwi
;
285 spin_unlock(&svcpt
->scp_rep_lock
);
286 /* If we cannot get anything for some long time, we better
287 * bail out instead of waiting infinitely */
288 lwi
= LWI_TIMEOUT(cfs_time_seconds(10), NULL
, NULL
);
289 rc
= l_wait_event(svcpt
->scp_rep_waitq
,
290 !list_empty(&svcpt
->scp_rep_idle
), &lwi
);
293 spin_lock(&svcpt
->scp_rep_lock
);
296 rs
= list_entry(svcpt
->scp_rep_idle
.next
,
297 struct ptlrpc_reply_state
, rs_list
);
298 list_del(&rs
->rs_list
);
300 spin_unlock(&svcpt
->scp_rep_lock
);
302 memset(rs
, 0, svcpt
->scp_service
->srv_max_reply_size
);
303 rs
->rs_size
= svcpt
->scp_service
->srv_max_reply_size
;
304 rs
->rs_svcpt
= svcpt
;
310 void lustre_put_emerg_rs(struct ptlrpc_reply_state
*rs
)
312 struct ptlrpc_service_part
*svcpt
= rs
->rs_svcpt
;
314 spin_lock(&svcpt
->scp_rep_lock
);
315 list_add(&rs
->rs_list
, &svcpt
->scp_rep_idle
);
316 spin_unlock(&svcpt
->scp_rep_lock
);
317 wake_up(&svcpt
->scp_rep_waitq
);
320 int lustre_pack_reply_v2(struct ptlrpc_request
*req
, int count
,
321 __u32
*lens
, char **bufs
, int flags
)
323 struct ptlrpc_reply_state
*rs
;
326 LASSERT(req
->rq_reply_state
== NULL
);
328 if ((flags
& LPRFL_EARLY_REPLY
) == 0) {
329 spin_lock(&req
->rq_lock
);
330 req
->rq_packed_final
= 1;
331 spin_unlock(&req
->rq_lock
);
334 msg_len
= lustre_msg_size_v2(count
, lens
);
335 rc
= sptlrpc_svc_alloc_rs(req
, msg_len
);
339 rs
= req
->rq_reply_state
;
340 atomic_set(&rs
->rs_refcount
, 1); /* 1 ref for rq_reply_state */
341 rs
->rs_cb_id
.cbid_fn
= reply_out_callback
;
342 rs
->rs_cb_id
.cbid_arg
= rs
;
343 rs
->rs_svcpt
= req
->rq_rqbd
->rqbd_svcpt
;
344 INIT_LIST_HEAD(&rs
->rs_exp_list
);
345 INIT_LIST_HEAD(&rs
->rs_obd_list
);
346 INIT_LIST_HEAD(&rs
->rs_list
);
347 spin_lock_init(&rs
->rs_lock
);
349 req
->rq_replen
= msg_len
;
350 req
->rq_reply_state
= rs
;
351 req
->rq_repmsg
= rs
->rs_msg
;
353 lustre_init_msg_v2(rs
->rs_msg
, count
, lens
, bufs
);
354 lustre_msg_add_version(rs
->rs_msg
, PTLRPC_MSG_VERSION
);
356 PTLRPC_RS_DEBUG_LRU_ADD(rs
);
360 EXPORT_SYMBOL(lustre_pack_reply_v2
);
362 int lustre_pack_reply_flags(struct ptlrpc_request
*req
, int count
, __u32
*lens
,
363 char **bufs
, int flags
)
366 __u32 size
[] = { sizeof(struct ptlrpc_body
) };
374 LASSERT(lens
[MSG_PTLRPC_BODY_OFF
] == sizeof(struct ptlrpc_body
));
376 switch (req
->rq_reqmsg
->lm_magic
) {
377 case LUSTRE_MSG_MAGIC_V2
:
378 rc
= lustre_pack_reply_v2(req
, count
, lens
, bufs
, flags
);
381 LASSERTF(0, "incorrect message magic: %08x\n",
382 req
->rq_reqmsg
->lm_magic
);
386 CERROR("lustre_pack_reply failed: rc=%d size=%d\n", rc
,
387 lustre_msg_size(req
->rq_reqmsg
->lm_magic
, count
, lens
));
390 EXPORT_SYMBOL(lustre_pack_reply_flags
);
392 int lustre_pack_reply(struct ptlrpc_request
*req
, int count
, __u32
*lens
,
395 return lustre_pack_reply_flags(req
, count
, lens
, bufs
, 0);
397 EXPORT_SYMBOL(lustre_pack_reply
);
399 void *lustre_msg_buf_v2(struct lustre_msg_v2
*m
, int n
, int min_size
)
401 int i
, offset
, buflen
, bufcount
;
406 bufcount
= m
->lm_bufcount
;
407 if (unlikely(n
>= bufcount
)) {
408 CDEBUG(D_INFO
, "msg %p buffer[%d] not present (count %d)\n",
413 buflen
= m
->lm_buflens
[n
];
414 if (unlikely(buflen
< min_size
)) {
415 CERROR("msg %p buffer[%d] size %d too small (required %d, opc=%d)\n",
416 m
, n
, buflen
, min_size
,
417 n
== MSG_PTLRPC_BODY_OFF
? -1 : lustre_msg_get_opc(m
));
421 offset
= lustre_msg_hdr_size_v2(bufcount
);
422 for (i
= 0; i
< n
; i
++)
423 offset
+= cfs_size_round(m
->lm_buflens
[i
]);
425 return (char *)m
+ offset
;
428 void *lustre_msg_buf(struct lustre_msg
*m
, int n
, int min_size
)
430 switch (m
->lm_magic
) {
431 case LUSTRE_MSG_MAGIC_V2
:
432 return lustre_msg_buf_v2(m
, n
, min_size
);
434 LASSERTF(0, "incorrect message magic: %08x(msg:%p)\n", m
->lm_magic
, m
);
438 EXPORT_SYMBOL(lustre_msg_buf
);
440 int lustre_shrink_msg_v2(struct lustre_msg_v2
*msg
, int segment
,
441 unsigned int newlen
, int move_data
)
443 char *tail
= NULL
, *newpos
;
447 LASSERT(msg
->lm_bufcount
> segment
);
448 LASSERT(msg
->lm_buflens
[segment
] >= newlen
);
450 if (msg
->lm_buflens
[segment
] == newlen
)
453 if (move_data
&& msg
->lm_bufcount
> segment
+ 1) {
454 tail
= lustre_msg_buf_v2(msg
, segment
+ 1, 0);
455 for (n
= segment
+ 1; n
< msg
->lm_bufcount
; n
++)
456 tail_len
+= cfs_size_round(msg
->lm_buflens
[n
]);
459 msg
->lm_buflens
[segment
] = newlen
;
461 if (tail
&& tail_len
) {
462 newpos
= lustre_msg_buf_v2(msg
, segment
+ 1, 0);
463 LASSERT(newpos
<= tail
);
465 memmove(newpos
, tail
, tail_len
);
468 return lustre_msg_size_v2(msg
->lm_bufcount
, msg
->lm_buflens
);
472 * for @msg, shrink @segment to size @newlen. if @move_data is non-zero,
473 * we also move data forward from @segment + 1.
475 * if @newlen == 0, we remove the segment completely, but we still keep the
476 * totally bufcount the same to save possible data moving. this will leave a
477 * unused segment with size 0 at the tail, but that's ok.
479 * return new msg size after shrinking.
482 * + if any buffers higher than @segment has been filled in, must call shrink
483 * with non-zero @move_data.
484 * + caller should NOT keep pointers to msg buffers which higher than @segment
487 int lustre_shrink_msg(struct lustre_msg
*msg
, int segment
,
488 unsigned int newlen
, int move_data
)
490 switch (msg
->lm_magic
) {
491 case LUSTRE_MSG_MAGIC_V2
:
492 return lustre_shrink_msg_v2(msg
, segment
, newlen
, move_data
);
494 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
497 EXPORT_SYMBOL(lustre_shrink_msg
);
499 void lustre_free_reply_state(struct ptlrpc_reply_state
*rs
)
501 PTLRPC_RS_DEBUG_LRU_DEL(rs
);
503 LASSERT(atomic_read(&rs
->rs_refcount
) == 0);
504 LASSERT(!rs
->rs_difficult
|| rs
->rs_handled
);
505 LASSERT(!rs
->rs_on_net
);
506 LASSERT(!rs
->rs_scheduled
);
507 LASSERT(rs
->rs_export
== NULL
);
508 LASSERT(rs
->rs_nlocks
== 0);
509 LASSERT(list_empty(&rs
->rs_exp_list
));
510 LASSERT(list_empty(&rs
->rs_obd_list
));
512 sptlrpc_svc_free_rs(rs
);
514 EXPORT_SYMBOL(lustre_free_reply_state
);
516 static int lustre_unpack_msg_v2(struct lustre_msg_v2
*m
, int len
)
518 int swabbed
, required_len
, i
;
520 /* Now we know the sender speaks my language. */
521 required_len
= lustre_msg_hdr_size_v2(0);
522 if (len
< required_len
) {
523 /* can't even look inside the message */
524 CERROR("message length %d too small for lustre_msg\n", len
);
528 swabbed
= (m
->lm_magic
== LUSTRE_MSG_MAGIC_V2_SWABBED
);
531 __swab32s(&m
->lm_magic
);
532 __swab32s(&m
->lm_bufcount
);
533 __swab32s(&m
->lm_secflvr
);
534 __swab32s(&m
->lm_repsize
);
535 __swab32s(&m
->lm_cksum
);
536 __swab32s(&m
->lm_flags
);
537 CLASSERT(offsetof(typeof(*m
), lm_padding_2
) != 0);
538 CLASSERT(offsetof(typeof(*m
), lm_padding_3
) != 0);
541 required_len
= lustre_msg_hdr_size_v2(m
->lm_bufcount
);
542 if (len
< required_len
) {
543 /* didn't receive all the buffer lengths */
544 CERROR("message length %d too small for %d buflens\n",
545 len
, m
->lm_bufcount
);
549 for (i
= 0; i
< m
->lm_bufcount
; i
++) {
551 __swab32s(&m
->lm_buflens
[i
]);
552 required_len
+= cfs_size_round(m
->lm_buflens
[i
]);
555 if (len
< required_len
) {
556 CERROR("len: %d, required_len %d\n", len
, required_len
);
557 CERROR("bufcount: %d\n", m
->lm_bufcount
);
558 for (i
= 0; i
< m
->lm_bufcount
; i
++)
559 CERROR("buffer %d length %d\n", i
, m
->lm_buflens
[i
]);
566 int __lustre_unpack_msg(struct lustre_msg
*m
, int len
)
568 int required_len
, rc
;
570 /* We can provide a slightly better error log, if we check the
571 * message magic and version first. In the future, struct
572 * lustre_msg may grow, and we'd like to log a version mismatch,
573 * rather than a short message.
576 required_len
= offsetof(struct lustre_msg
, lm_magic
) +
578 if (len
< required_len
) {
579 /* can't even look inside the message */
580 CERROR("message length %d too small for magic/version check\n",
585 rc
= lustre_unpack_msg_v2(m
, len
);
589 EXPORT_SYMBOL(__lustre_unpack_msg
);
591 int ptlrpc_unpack_req_msg(struct ptlrpc_request
*req
, int len
)
594 rc
= __lustre_unpack_msg(req
->rq_reqmsg
, len
);
596 lustre_set_req_swabbed(req
, MSG_PTLRPC_HEADER_OFF
);
601 EXPORT_SYMBOL(ptlrpc_unpack_req_msg
);
603 int ptlrpc_unpack_rep_msg(struct ptlrpc_request
*req
, int len
)
606 rc
= __lustre_unpack_msg(req
->rq_repmsg
, len
);
608 lustre_set_rep_swabbed(req
, MSG_PTLRPC_HEADER_OFF
);
613 EXPORT_SYMBOL(ptlrpc_unpack_rep_msg
);
615 static inline int lustre_unpack_ptlrpc_body_v2(struct ptlrpc_request
*req
,
616 const int inout
, int offset
)
618 struct ptlrpc_body
*pb
;
619 struct lustre_msg_v2
*m
= inout
? req
->rq_reqmsg
: req
->rq_repmsg
;
621 pb
= lustre_msg_buf_v2(m
, offset
, sizeof(struct ptlrpc_body_v2
));
623 CERROR("error unpacking ptlrpc body\n");
626 if (ptlrpc_buf_need_swab(req
, inout
, offset
)) {
627 lustre_swab_ptlrpc_body(pb
);
628 ptlrpc_buf_set_swabbed(req
, inout
, offset
);
631 if ((pb
->pb_version
& ~LUSTRE_VERSION_MASK
) != PTLRPC_MSG_VERSION
) {
632 CERROR("wrong lustre_msg version %08x\n", pb
->pb_version
);
637 pb
->pb_status
= ptlrpc_status_ntoh(pb
->pb_status
);
642 int lustre_unpack_req_ptlrpc_body(struct ptlrpc_request
*req
, int offset
)
644 switch (req
->rq_reqmsg
->lm_magic
) {
645 case LUSTRE_MSG_MAGIC_V2
:
646 return lustre_unpack_ptlrpc_body_v2(req
, 1, offset
);
648 CERROR("bad lustre msg magic: %08x\n",
649 req
->rq_reqmsg
->lm_magic
);
654 int lustre_unpack_rep_ptlrpc_body(struct ptlrpc_request
*req
, int offset
)
656 switch (req
->rq_repmsg
->lm_magic
) {
657 case LUSTRE_MSG_MAGIC_V2
:
658 return lustre_unpack_ptlrpc_body_v2(req
, 0, offset
);
660 CERROR("bad lustre msg magic: %08x\n",
661 req
->rq_repmsg
->lm_magic
);
666 static inline int lustre_msg_buflen_v2(struct lustre_msg_v2
*m
, int n
)
668 if (n
>= m
->lm_bufcount
)
671 return m
->lm_buflens
[n
];
675 * lustre_msg_buflen - return the length of buffer \a n in message \a m
676 * \param m lustre_msg (request or reply) to look at
677 * \param n message index (base 0)
679 * returns zero for non-existent message indices
681 int lustre_msg_buflen(struct lustre_msg
*m
, int n
)
683 switch (m
->lm_magic
) {
684 case LUSTRE_MSG_MAGIC_V2
:
685 return lustre_msg_buflen_v2(m
, n
);
687 CERROR("incorrect message magic: %08x\n", m
->lm_magic
);
691 EXPORT_SYMBOL(lustre_msg_buflen
);
694 lustre_msg_set_buflen_v2(struct lustre_msg_v2
*m
, int n
, int len
)
696 if (n
>= m
->lm_bufcount
)
699 m
->lm_buflens
[n
] = len
;
702 void lustre_msg_set_buflen(struct lustre_msg
*m
, int n
, int len
)
704 switch (m
->lm_magic
) {
705 case LUSTRE_MSG_MAGIC_V2
:
706 lustre_msg_set_buflen_v2(m
, n
, len
);
709 LASSERTF(0, "incorrect message magic: %08x\n", m
->lm_magic
);
713 EXPORT_SYMBOL(lustre_msg_set_buflen
);
715 /* NB return the bufcount for lustre_msg_v2 format, so if message is packed
716 * in V1 format, the result is one bigger. (add struct ptlrpc_body). */
717 int lustre_msg_bufcount(struct lustre_msg
*m
)
719 switch (m
->lm_magic
) {
720 case LUSTRE_MSG_MAGIC_V2
:
721 return m
->lm_bufcount
;
723 CERROR("incorrect message magic: %08x\n", m
->lm_magic
);
727 EXPORT_SYMBOL(lustre_msg_bufcount
);
729 char *lustre_msg_string(struct lustre_msg
*m
, int index
, int max_len
)
731 /* max_len == 0 means the string should fill the buffer */
735 switch (m
->lm_magic
) {
736 case LUSTRE_MSG_MAGIC_V2
:
737 str
= lustre_msg_buf_v2(m
, index
, 0);
738 blen
= lustre_msg_buflen_v2(m
, index
);
741 LASSERTF(0, "incorrect message magic: %08x\n", m
->lm_magic
);
745 CERROR("can't unpack string in msg %p buffer[%d]\n", m
, index
);
749 slen
= strnlen(str
, blen
);
751 if (slen
== blen
) { /* not NULL terminated */
752 CERROR("can't unpack non-NULL terminated string in msg %p buffer[%d] len %d\n",
758 if (slen
!= blen
- 1) {
759 CERROR("can't unpack short string in msg %p buffer[%d] len %d: strlen %d\n",
760 m
, index
, blen
, slen
);
763 } else if (slen
> max_len
) {
764 CERROR("can't unpack oversized string in msg %p buffer[%d] len %d strlen %d: max %d expected\n",
765 m
, index
, blen
, slen
, max_len
);
771 EXPORT_SYMBOL(lustre_msg_string
);
773 /* Wrap up the normal fixed length cases */
774 static inline void *__lustre_swab_buf(struct lustre_msg
*msg
, int index
,
775 int min_size
, void *swabber
)
779 LASSERT(msg
!= NULL
);
780 switch (msg
->lm_magic
) {
781 case LUSTRE_MSG_MAGIC_V2
:
782 ptr
= lustre_msg_buf_v2(msg
, index
, min_size
);
785 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
789 ((void (*)(void *))swabber
)(ptr
);
794 static inline struct ptlrpc_body
*lustre_msg_ptlrpc_body(struct lustre_msg
*msg
)
796 return lustre_msg_buf_v2(msg
, MSG_PTLRPC_BODY_OFF
,
797 sizeof(struct ptlrpc_body_v2
));
800 __u32
lustre_msghdr_get_flags(struct lustre_msg
*msg
)
802 switch (msg
->lm_magic
) {
803 case LUSTRE_MSG_MAGIC_V1
:
804 case LUSTRE_MSG_MAGIC_V1_SWABBED
:
806 case LUSTRE_MSG_MAGIC_V2
:
807 /* already in host endian */
808 return msg
->lm_flags
;
810 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
814 EXPORT_SYMBOL(lustre_msghdr_get_flags
);
816 void lustre_msghdr_set_flags(struct lustre_msg
*msg
, __u32 flags
)
818 switch (msg
->lm_magic
) {
819 case LUSTRE_MSG_MAGIC_V1
:
821 case LUSTRE_MSG_MAGIC_V2
:
822 msg
->lm_flags
= flags
;
825 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
829 __u32
lustre_msg_get_flags(struct lustre_msg
*msg
)
831 switch (msg
->lm_magic
) {
832 case LUSTRE_MSG_MAGIC_V2
: {
833 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
835 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
841 /* flags might be printed in debug code while message
846 EXPORT_SYMBOL(lustre_msg_get_flags
);
848 void lustre_msg_add_flags(struct lustre_msg
*msg
, int flags
)
850 switch (msg
->lm_magic
) {
851 case LUSTRE_MSG_MAGIC_V2
: {
852 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
853 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
854 pb
->pb_flags
|= flags
;
858 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
861 EXPORT_SYMBOL(lustre_msg_add_flags
);
863 void lustre_msg_set_flags(struct lustre_msg
*msg
, int flags
)
865 switch (msg
->lm_magic
) {
866 case LUSTRE_MSG_MAGIC_V2
: {
867 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
868 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
869 pb
->pb_flags
= flags
;
873 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
876 EXPORT_SYMBOL(lustre_msg_set_flags
);
878 void lustre_msg_clear_flags(struct lustre_msg
*msg
, int flags
)
880 switch (msg
->lm_magic
) {
881 case LUSTRE_MSG_MAGIC_V2
: {
882 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
883 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
884 pb
->pb_flags
&= ~(MSG_GEN_FLAG_MASK
& flags
);
888 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
891 EXPORT_SYMBOL(lustre_msg_clear_flags
);
893 __u32
lustre_msg_get_op_flags(struct lustre_msg
*msg
)
895 switch (msg
->lm_magic
) {
896 case LUSTRE_MSG_MAGIC_V2
: {
897 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
899 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
902 return pb
->pb_op_flags
;
908 EXPORT_SYMBOL(lustre_msg_get_op_flags
);
910 void lustre_msg_add_op_flags(struct lustre_msg
*msg
, int flags
)
912 switch (msg
->lm_magic
) {
913 case LUSTRE_MSG_MAGIC_V2
: {
914 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
915 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
916 pb
->pb_op_flags
|= flags
;
920 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
923 EXPORT_SYMBOL(lustre_msg_add_op_flags
);
925 void lustre_msg_set_op_flags(struct lustre_msg
*msg
, int flags
)
927 switch (msg
->lm_magic
) {
928 case LUSTRE_MSG_MAGIC_V2
: {
929 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
930 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
931 pb
->pb_op_flags
|= flags
;
935 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
938 EXPORT_SYMBOL(lustre_msg_set_op_flags
);
940 struct lustre_handle
*lustre_msg_get_handle(struct lustre_msg
*msg
)
942 switch (msg
->lm_magic
) {
943 case LUSTRE_MSG_MAGIC_V2
: {
944 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
946 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
949 return &pb
->pb_handle
;
952 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
956 EXPORT_SYMBOL(lustre_msg_get_handle
);
958 __u32
lustre_msg_get_type(struct lustre_msg
*msg
)
960 switch (msg
->lm_magic
) {
961 case LUSTRE_MSG_MAGIC_V2
: {
962 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
964 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
965 return PTL_RPC_MSG_ERR
;
970 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
971 return PTL_RPC_MSG_ERR
;
974 EXPORT_SYMBOL(lustre_msg_get_type
);
976 __u32
lustre_msg_get_version(struct lustre_msg
*msg
)
978 switch (msg
->lm_magic
) {
979 case LUSTRE_MSG_MAGIC_V2
: {
980 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
982 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
985 return pb
->pb_version
;
988 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
992 EXPORT_SYMBOL(lustre_msg_get_version
);
994 void lustre_msg_add_version(struct lustre_msg
*msg
, int version
)
996 switch (msg
->lm_magic
) {
997 case LUSTRE_MSG_MAGIC_V2
: {
998 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
999 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1000 pb
->pb_version
|= version
;
1004 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1007 EXPORT_SYMBOL(lustre_msg_add_version
);
1009 __u32
lustre_msg_get_opc(struct lustre_msg
*msg
)
1011 switch (msg
->lm_magic
) {
1012 case LUSTRE_MSG_MAGIC_V2
: {
1013 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1015 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1021 CERROR("incorrect message magic: %08x(msg:%p)\n", msg
->lm_magic
, msg
);
1026 EXPORT_SYMBOL(lustre_msg_get_opc
);
1028 __u64
lustre_msg_get_last_xid(struct lustre_msg
*msg
)
1030 switch (msg
->lm_magic
) {
1031 case LUSTRE_MSG_MAGIC_V2
: {
1032 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1034 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1037 return pb
->pb_last_xid
;
1040 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1044 EXPORT_SYMBOL(lustre_msg_get_last_xid
);
1046 __u64
lustre_msg_get_last_committed(struct lustre_msg
*msg
)
1048 switch (msg
->lm_magic
) {
1049 case LUSTRE_MSG_MAGIC_V2
: {
1050 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1052 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1055 return pb
->pb_last_committed
;
1058 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1062 EXPORT_SYMBOL(lustre_msg_get_last_committed
);
1064 __u64
*lustre_msg_get_versions(struct lustre_msg
*msg
)
1066 switch (msg
->lm_magic
) {
1067 case LUSTRE_MSG_MAGIC_V1
:
1069 case LUSTRE_MSG_MAGIC_V2
: {
1070 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1072 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1075 return pb
->pb_pre_versions
;
1078 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1082 EXPORT_SYMBOL(lustre_msg_get_versions
);
1084 __u64
lustre_msg_get_transno(struct lustre_msg
*msg
)
1086 switch (msg
->lm_magic
) {
1087 case LUSTRE_MSG_MAGIC_V2
: {
1088 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1090 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1093 return pb
->pb_transno
;
1096 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1100 EXPORT_SYMBOL(lustre_msg_get_transno
);
1102 int lustre_msg_get_status(struct lustre_msg
*msg
)
1104 switch (msg
->lm_magic
) {
1105 case LUSTRE_MSG_MAGIC_V2
: {
1106 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1108 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1111 return pb
->pb_status
;
1114 /* status might be printed in debug code while message
1119 EXPORT_SYMBOL(lustre_msg_get_status
);
1121 __u64
lustre_msg_get_slv(struct lustre_msg
*msg
)
1123 switch (msg
->lm_magic
) {
1124 case LUSTRE_MSG_MAGIC_V2
: {
1125 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1127 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1133 CERROR("invalid msg magic %08x\n", msg
->lm_magic
);
1137 EXPORT_SYMBOL(lustre_msg_get_slv
);
1140 void lustre_msg_set_slv(struct lustre_msg
*msg
, __u64 slv
)
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
);
1153 CERROR("invalid msg magic %x\n", msg
->lm_magic
);
1157 EXPORT_SYMBOL(lustre_msg_set_slv
);
1159 __u32
lustre_msg_get_limit(struct lustre_msg
*msg
)
1161 switch (msg
->lm_magic
) {
1162 case LUSTRE_MSG_MAGIC_V2
: {
1163 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1165 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1168 return pb
->pb_limit
;
1171 CERROR("invalid msg magic %x\n", msg
->lm_magic
);
1175 EXPORT_SYMBOL(lustre_msg_get_limit
);
1178 void lustre_msg_set_limit(struct lustre_msg
*msg
, __u64 limit
)
1180 switch (msg
->lm_magic
) {
1181 case LUSTRE_MSG_MAGIC_V2
: {
1182 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1184 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1187 pb
->pb_limit
= limit
;
1191 CERROR("invalid msg magic %08x\n", msg
->lm_magic
);
1195 EXPORT_SYMBOL(lustre_msg_set_limit
);
1197 __u32
lustre_msg_get_conn_cnt(struct lustre_msg
*msg
)
1199 switch (msg
->lm_magic
) {
1200 case LUSTRE_MSG_MAGIC_V2
: {
1201 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1203 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1206 return pb
->pb_conn_cnt
;
1209 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1213 EXPORT_SYMBOL(lustre_msg_get_conn_cnt
);
1215 int lustre_msg_is_v1(struct lustre_msg
*msg
)
1217 switch (msg
->lm_magic
) {
1218 case LUSTRE_MSG_MAGIC_V1
:
1219 case LUSTRE_MSG_MAGIC_V1_SWABBED
:
1225 EXPORT_SYMBOL(lustre_msg_is_v1
);
1227 __u32
lustre_msg_get_magic(struct lustre_msg
*msg
)
1229 switch (msg
->lm_magic
) {
1230 case LUSTRE_MSG_MAGIC_V2
:
1231 return msg
->lm_magic
;
1233 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1237 EXPORT_SYMBOL(lustre_msg_get_magic
);
1239 __u32
lustre_msg_get_timeout(struct lustre_msg
*msg
)
1241 switch (msg
->lm_magic
) {
1242 case LUSTRE_MSG_MAGIC_V1
:
1243 case LUSTRE_MSG_MAGIC_V1_SWABBED
:
1245 case LUSTRE_MSG_MAGIC_V2
: {
1246 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1248 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1252 return pb
->pb_timeout
;
1255 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1260 __u32
lustre_msg_get_service_time(struct lustre_msg
*msg
)
1262 switch (msg
->lm_magic
) {
1263 case LUSTRE_MSG_MAGIC_V1
:
1264 case LUSTRE_MSG_MAGIC_V1_SWABBED
:
1266 case LUSTRE_MSG_MAGIC_V2
: {
1267 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1269 CERROR("invalid msg %p: no ptlrpc body!\n", msg
);
1273 return pb
->pb_service_time
;
1276 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1281 char *lustre_msg_get_jobid(struct lustre_msg
*msg
)
1283 switch (msg
->lm_magic
) {
1284 case LUSTRE_MSG_MAGIC_V1
:
1285 case LUSTRE_MSG_MAGIC_V1_SWABBED
:
1287 case LUSTRE_MSG_MAGIC_V2
: {
1288 struct ptlrpc_body
*pb
=
1289 lustre_msg_buf_v2(msg
, MSG_PTLRPC_BODY_OFF
,
1290 sizeof(struct ptlrpc_body
));
1294 return pb
->pb_jobid
;
1297 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1301 EXPORT_SYMBOL(lustre_msg_get_jobid
);
1303 __u32
lustre_msg_get_cksum(struct lustre_msg
*msg
)
1305 switch (msg
->lm_magic
) {
1306 case LUSTRE_MSG_MAGIC_V2
:
1307 return msg
->lm_cksum
;
1309 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1314 __u32
lustre_msg_calc_cksum(struct lustre_msg
*msg
)
1316 switch (msg
->lm_magic
) {
1317 case LUSTRE_MSG_MAGIC_V2
: {
1318 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1320 unsigned int hsize
= 4;
1321 cfs_crypto_hash_digest(CFS_HASH_ALG_CRC32
, (unsigned char *)pb
,
1322 lustre_msg_buflen(msg
, MSG_PTLRPC_BODY_OFF
),
1323 NULL
, 0, (unsigned char *)&crc
, &hsize
);
1327 CERROR("incorrect message magic: %08x\n", msg
->lm_magic
);
1332 void lustre_msg_set_handle(struct lustre_msg
*msg
, struct lustre_handle
*handle
)
1334 switch (msg
->lm_magic
) {
1335 case LUSTRE_MSG_MAGIC_V2
: {
1336 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1337 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1338 pb
->pb_handle
= *handle
;
1342 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1345 EXPORT_SYMBOL(lustre_msg_set_handle
);
1347 void lustre_msg_set_type(struct lustre_msg
*msg
, __u32 type
)
1349 switch (msg
->lm_magic
) {
1350 case LUSTRE_MSG_MAGIC_V2
: {
1351 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1352 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1357 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1360 EXPORT_SYMBOL(lustre_msg_set_type
);
1362 void lustre_msg_set_opc(struct lustre_msg
*msg
, __u32 opc
)
1364 switch (msg
->lm_magic
) {
1365 case LUSTRE_MSG_MAGIC_V2
: {
1366 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1367 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1372 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1375 EXPORT_SYMBOL(lustre_msg_set_opc
);
1377 void lustre_msg_set_last_xid(struct lustre_msg
*msg
, __u64 last_xid
)
1379 switch (msg
->lm_magic
) {
1380 case LUSTRE_MSG_MAGIC_V2
: {
1381 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1382 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1383 pb
->pb_last_xid
= last_xid
;
1387 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1390 EXPORT_SYMBOL(lustre_msg_set_last_xid
);
1392 void lustre_msg_set_last_committed(struct lustre_msg
*msg
, __u64 last_committed
)
1394 switch (msg
->lm_magic
) {
1395 case LUSTRE_MSG_MAGIC_V2
: {
1396 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1397 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1398 pb
->pb_last_committed
= last_committed
;
1402 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1405 EXPORT_SYMBOL(lustre_msg_set_last_committed
);
1407 void lustre_msg_set_versions(struct lustre_msg
*msg
, __u64
*versions
)
1409 switch (msg
->lm_magic
) {
1410 case LUSTRE_MSG_MAGIC_V1
:
1412 case LUSTRE_MSG_MAGIC_V2
: {
1413 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1414 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1415 pb
->pb_pre_versions
[0] = versions
[0];
1416 pb
->pb_pre_versions
[1] = versions
[1];
1417 pb
->pb_pre_versions
[2] = versions
[2];
1418 pb
->pb_pre_versions
[3] = versions
[3];
1422 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1425 EXPORT_SYMBOL(lustre_msg_set_versions
);
1427 void lustre_msg_set_transno(struct lustre_msg
*msg
, __u64 transno
)
1429 switch (msg
->lm_magic
) {
1430 case LUSTRE_MSG_MAGIC_V2
: {
1431 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1432 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1433 pb
->pb_transno
= transno
;
1437 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1440 EXPORT_SYMBOL(lustre_msg_set_transno
);
1442 void lustre_msg_set_status(struct lustre_msg
*msg
, __u32 status
)
1444 switch (msg
->lm_magic
) {
1445 case LUSTRE_MSG_MAGIC_V2
: {
1446 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1447 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1448 pb
->pb_status
= status
;
1452 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1455 EXPORT_SYMBOL(lustre_msg_set_status
);
1457 void lustre_msg_set_conn_cnt(struct lustre_msg
*msg
, __u32 conn_cnt
)
1459 switch (msg
->lm_magic
) {
1460 case LUSTRE_MSG_MAGIC_V2
: {
1461 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1462 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1463 pb
->pb_conn_cnt
= conn_cnt
;
1467 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1470 EXPORT_SYMBOL(lustre_msg_set_conn_cnt
);
1472 void lustre_msg_set_timeout(struct lustre_msg
*msg
, __u32 timeout
)
1474 switch (msg
->lm_magic
) {
1475 case LUSTRE_MSG_MAGIC_V1
:
1477 case LUSTRE_MSG_MAGIC_V2
: {
1478 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1479 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1480 pb
->pb_timeout
= timeout
;
1484 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1488 void lustre_msg_set_service_time(struct lustre_msg
*msg
, __u32 service_time
)
1490 switch (msg
->lm_magic
) {
1491 case LUSTRE_MSG_MAGIC_V1
:
1493 case LUSTRE_MSG_MAGIC_V2
: {
1494 struct ptlrpc_body
*pb
= lustre_msg_ptlrpc_body(msg
);
1495 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1496 pb
->pb_service_time
= service_time
;
1500 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1504 void lustre_msg_set_jobid(struct lustre_msg
*msg
, char *jobid
)
1506 switch (msg
->lm_magic
) {
1507 case LUSTRE_MSG_MAGIC_V1
:
1509 case LUSTRE_MSG_MAGIC_V2
: {
1510 __u32 opc
= lustre_msg_get_opc(msg
);
1511 struct ptlrpc_body
*pb
;
1513 /* Don't set jobid for ldlm ast RPCs, they've been shrunk.
1514 * See the comment in ptlrpc_request_pack(). */
1515 if (!opc
|| opc
== LDLM_BL_CALLBACK
||
1516 opc
== LDLM_CP_CALLBACK
|| opc
== LDLM_GL_CALLBACK
)
1519 pb
= lustre_msg_buf_v2(msg
, MSG_PTLRPC_BODY_OFF
,
1520 sizeof(struct ptlrpc_body
));
1521 LASSERTF(pb
, "invalid msg %p: no ptlrpc body!\n", msg
);
1524 memcpy(pb
->pb_jobid
, jobid
, JOBSTATS_JOBID_SIZE
);
1525 else if (pb
->pb_jobid
[0] == '\0')
1526 lustre_get_jobid(pb
->pb_jobid
);
1530 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1533 EXPORT_SYMBOL(lustre_msg_set_jobid
);
1535 void lustre_msg_set_cksum(struct lustre_msg
*msg
, __u32 cksum
)
1537 switch (msg
->lm_magic
) {
1538 case LUSTRE_MSG_MAGIC_V1
:
1540 case LUSTRE_MSG_MAGIC_V2
:
1541 msg
->lm_cksum
= cksum
;
1544 LASSERTF(0, "incorrect message magic: %08x\n", msg
->lm_magic
);
1549 void ptlrpc_request_set_replen(struct ptlrpc_request
*req
)
1551 int count
= req_capsule_filled_sizes(&req
->rq_pill
, RCL_SERVER
);
1553 req
->rq_replen
= lustre_msg_size(req
->rq_reqmsg
->lm_magic
, count
,
1554 req
->rq_pill
.rc_area
[RCL_SERVER
]);
1555 if (req
->rq_reqmsg
->lm_magic
== LUSTRE_MSG_MAGIC_V2
)
1556 req
->rq_reqmsg
->lm_repsize
= req
->rq_replen
;
1558 EXPORT_SYMBOL(ptlrpc_request_set_replen
);
1560 void ptlrpc_req_set_repsize(struct ptlrpc_request
*req
, int count
, __u32
*lens
)
1562 req
->rq_replen
= lustre_msg_size(req
->rq_reqmsg
->lm_magic
, count
, lens
);
1563 if (req
->rq_reqmsg
->lm_magic
== LUSTRE_MSG_MAGIC_V2
)
1564 req
->rq_reqmsg
->lm_repsize
= req
->rq_replen
;
1566 EXPORT_SYMBOL(ptlrpc_req_set_repsize
);
1569 * Send a remote set_info_async.
1571 * This may go from client to server or server to client.
1573 int do_set_info_async(struct obd_import
*imp
,
1574 int opcode
, int version
,
1575 u32 keylen
, void *key
,
1576 u32 vallen
, void *val
,
1577 struct ptlrpc_request_set
*set
)
1579 struct ptlrpc_request
*req
;
1583 req
= ptlrpc_request_alloc(imp
, &RQF_OBD_SET_INFO
);
1587 req_capsule_set_size(&req
->rq_pill
, &RMF_SETINFO_KEY
,
1588 RCL_CLIENT
, keylen
);
1589 req_capsule_set_size(&req
->rq_pill
, &RMF_SETINFO_VAL
,
1590 RCL_CLIENT
, vallen
);
1591 rc
= ptlrpc_request_pack(req
, version
, opcode
);
1593 ptlrpc_request_free(req
);
1597 tmp
= req_capsule_client_get(&req
->rq_pill
, &RMF_SETINFO_KEY
);
1598 memcpy(tmp
, key
, keylen
);
1599 tmp
= req_capsule_client_get(&req
->rq_pill
, &RMF_SETINFO_VAL
);
1600 memcpy(tmp
, val
, vallen
);
1602 ptlrpc_request_set_replen(req
);
1605 ptlrpc_set_add_req(set
, req
);
1606 ptlrpc_check_set(NULL
, set
);
1608 rc
= ptlrpc_queue_wait(req
);
1609 ptlrpc_req_finished(req
);
1614 EXPORT_SYMBOL(do_set_info_async
);
1616 /* byte flipping routines for all wire types declared in
1617 * lustre_idl.h implemented here.
1619 void lustre_swab_ptlrpc_body(struct ptlrpc_body
*b
)
1621 __swab32s(&b
->pb_type
);
1622 __swab32s(&b
->pb_version
);
1623 __swab32s(&b
->pb_opc
);
1624 __swab32s(&b
->pb_status
);
1625 __swab64s(&b
->pb_last_xid
);
1626 __swab64s(&b
->pb_last_seen
);
1627 __swab64s(&b
->pb_last_committed
);
1628 __swab64s(&b
->pb_transno
);
1629 __swab32s(&b
->pb_flags
);
1630 __swab32s(&b
->pb_op_flags
);
1631 __swab32s(&b
->pb_conn_cnt
);
1632 __swab32s(&b
->pb_timeout
);
1633 __swab32s(&b
->pb_service_time
);
1634 __swab32s(&b
->pb_limit
);
1635 __swab64s(&b
->pb_slv
);
1636 __swab64s(&b
->pb_pre_versions
[0]);
1637 __swab64s(&b
->pb_pre_versions
[1]);
1638 __swab64s(&b
->pb_pre_versions
[2]);
1639 __swab64s(&b
->pb_pre_versions
[3]);
1640 CLASSERT(offsetof(typeof(*b
), pb_padding
) != 0);
1641 /* While we need to maintain compatibility between
1642 * clients and servers without ptlrpc_body_v2 (< 2.3)
1643 * do not swab any fields beyond pb_jobid, as we are
1644 * using this swab function for both ptlrpc_body
1645 * and ptlrpc_body_v2. */
1646 CLASSERT(offsetof(typeof(*b
), pb_jobid
) != 0);
1648 EXPORT_SYMBOL(lustre_swab_ptlrpc_body
);
1650 void lustre_swab_connect(struct obd_connect_data
*ocd
)
1652 __swab64s(&ocd
->ocd_connect_flags
);
1653 __swab32s(&ocd
->ocd_version
);
1654 __swab32s(&ocd
->ocd_grant
);
1655 __swab64s(&ocd
->ocd_ibits_known
);
1656 __swab32s(&ocd
->ocd_index
);
1657 __swab32s(&ocd
->ocd_brw_size
);
1658 /* ocd_blocksize and ocd_inodespace don't need to be swabbed because
1659 * they are 8-byte values */
1660 __swab16s(&ocd
->ocd_grant_extent
);
1661 __swab32s(&ocd
->ocd_unused
);
1662 __swab64s(&ocd
->ocd_transno
);
1663 __swab32s(&ocd
->ocd_group
);
1664 __swab32s(&ocd
->ocd_cksum_types
);
1665 __swab32s(&ocd
->ocd_instance
);
1666 /* Fields after ocd_cksum_types are only accessible by the receiver
1667 * if the corresponding flag in ocd_connect_flags is set. Accessing
1668 * any field after ocd_maxbytes on the receiver without a valid flag
1669 * may result in out-of-bound memory access and kernel oops. */
1670 if (ocd
->ocd_connect_flags
& OBD_CONNECT_MAX_EASIZE
)
1671 __swab32s(&ocd
->ocd_max_easize
);
1672 if (ocd
->ocd_connect_flags
& OBD_CONNECT_MAXBYTES
)
1673 __swab64s(&ocd
->ocd_maxbytes
);
1674 CLASSERT(offsetof(typeof(*ocd
), padding1
) != 0);
1675 CLASSERT(offsetof(typeof(*ocd
), padding2
) != 0);
1676 CLASSERT(offsetof(typeof(*ocd
), padding3
) != 0);
1677 CLASSERT(offsetof(typeof(*ocd
), padding4
) != 0);
1678 CLASSERT(offsetof(typeof(*ocd
), padding5
) != 0);
1679 CLASSERT(offsetof(typeof(*ocd
), padding6
) != 0);
1680 CLASSERT(offsetof(typeof(*ocd
), padding7
) != 0);
1681 CLASSERT(offsetof(typeof(*ocd
), padding8
) != 0);
1682 CLASSERT(offsetof(typeof(*ocd
), padding9
) != 0);
1683 CLASSERT(offsetof(typeof(*ocd
), paddingA
) != 0);
1684 CLASSERT(offsetof(typeof(*ocd
), paddingB
) != 0);
1685 CLASSERT(offsetof(typeof(*ocd
), paddingC
) != 0);
1686 CLASSERT(offsetof(typeof(*ocd
), paddingD
) != 0);
1687 CLASSERT(offsetof(typeof(*ocd
), paddingE
) != 0);
1688 CLASSERT(offsetof(typeof(*ocd
), paddingF
) != 0);
1691 void lustre_swab_obdo(struct obdo
*o
)
1693 __swab64s(&o
->o_valid
);
1694 lustre_swab_ost_id(&o
->o_oi
);
1695 __swab64s(&o
->o_parent_seq
);
1696 __swab64s(&o
->o_size
);
1697 __swab64s(&o
->o_mtime
);
1698 __swab64s(&o
->o_atime
);
1699 __swab64s(&o
->o_ctime
);
1700 __swab64s(&o
->o_blocks
);
1701 __swab64s(&o
->o_grant
);
1702 __swab32s(&o
->o_blksize
);
1703 __swab32s(&o
->o_mode
);
1704 __swab32s(&o
->o_uid
);
1705 __swab32s(&o
->o_gid
);
1706 __swab32s(&o
->o_flags
);
1707 __swab32s(&o
->o_nlink
);
1708 __swab32s(&o
->o_parent_oid
);
1709 __swab32s(&o
->o_misc
);
1710 __swab64s(&o
->o_ioepoch
);
1711 __swab32s(&o
->o_stripe_idx
);
1712 __swab32s(&o
->o_parent_ver
);
1713 /* o_handle is opaque */
1714 /* o_lcookie is swabbed elsewhere */
1715 __swab32s(&o
->o_uid_h
);
1716 __swab32s(&o
->o_gid_h
);
1717 __swab64s(&o
->o_data_version
);
1718 CLASSERT(offsetof(typeof(*o
), o_padding_4
) != 0);
1719 CLASSERT(offsetof(typeof(*o
), o_padding_5
) != 0);
1720 CLASSERT(offsetof(typeof(*o
), o_padding_6
) != 0);
1723 EXPORT_SYMBOL(lustre_swab_obdo
);
1725 void lustre_swab_obd_statfs(struct obd_statfs
*os
)
1727 __swab64s(&os
->os_type
);
1728 __swab64s(&os
->os_blocks
);
1729 __swab64s(&os
->os_bfree
);
1730 __swab64s(&os
->os_bavail
);
1731 __swab64s(&os
->os_files
);
1732 __swab64s(&os
->os_ffree
);
1733 /* no need to swab os_fsid */
1734 __swab32s(&os
->os_bsize
);
1735 __swab32s(&os
->os_namelen
);
1736 __swab64s(&os
->os_maxbytes
);
1737 __swab32s(&os
->os_state
);
1738 CLASSERT(offsetof(typeof(*os
), os_fprecreated
) != 0);
1739 CLASSERT(offsetof(typeof(*os
), os_spare2
) != 0);
1740 CLASSERT(offsetof(typeof(*os
), os_spare3
) != 0);
1741 CLASSERT(offsetof(typeof(*os
), os_spare4
) != 0);
1742 CLASSERT(offsetof(typeof(*os
), os_spare5
) != 0);
1743 CLASSERT(offsetof(typeof(*os
), os_spare6
) != 0);
1744 CLASSERT(offsetof(typeof(*os
), os_spare7
) != 0);
1745 CLASSERT(offsetof(typeof(*os
), os_spare8
) != 0);
1746 CLASSERT(offsetof(typeof(*os
), os_spare9
) != 0);
1748 EXPORT_SYMBOL(lustre_swab_obd_statfs
);
1750 void lustre_swab_obd_ioobj(struct obd_ioobj
*ioo
)
1752 lustre_swab_ost_id(&ioo
->ioo_oid
);
1753 __swab32s(&ioo
->ioo_max_brw
);
1754 __swab32s(&ioo
->ioo_bufcnt
);
1756 EXPORT_SYMBOL(lustre_swab_obd_ioobj
);
1758 void lustre_swab_niobuf_remote(struct niobuf_remote
*nbr
)
1760 __swab64s(&nbr
->offset
);
1761 __swab32s(&nbr
->len
);
1762 __swab32s(&nbr
->flags
);
1764 EXPORT_SYMBOL(lustre_swab_niobuf_remote
);
1766 void lustre_swab_ost_body(struct ost_body
*b
)
1768 lustre_swab_obdo(&b
->oa
);
1770 EXPORT_SYMBOL(lustre_swab_ost_body
);
1772 void lustre_swab_ost_last_id(u64
*id
)
1776 EXPORT_SYMBOL(lustre_swab_ost_last_id
);
1778 void lustre_swab_generic_32s(__u32
*val
)
1782 EXPORT_SYMBOL(lustre_swab_generic_32s
);
1784 void lustre_swab_gl_desc(union ldlm_gl_desc
*desc
)
1786 lustre_swab_lu_fid(&desc
->lquota_desc
.gl_id
.qid_fid
);
1787 __swab64s(&desc
->lquota_desc
.gl_flags
);
1788 __swab64s(&desc
->lquota_desc
.gl_ver
);
1789 __swab64s(&desc
->lquota_desc
.gl_hardlimit
);
1790 __swab64s(&desc
->lquota_desc
.gl_softlimit
);
1791 __swab64s(&desc
->lquota_desc
.gl_time
);
1792 CLASSERT(offsetof(typeof(desc
->lquota_desc
), gl_pad2
) != 0);
1795 void lustre_swab_ost_lvb_v1(struct ost_lvb_v1
*lvb
)
1797 __swab64s(&lvb
->lvb_size
);
1798 __swab64s(&lvb
->lvb_mtime
);
1799 __swab64s(&lvb
->lvb_atime
);
1800 __swab64s(&lvb
->lvb_ctime
);
1801 __swab64s(&lvb
->lvb_blocks
);
1803 EXPORT_SYMBOL(lustre_swab_ost_lvb_v1
);
1805 void lustre_swab_ost_lvb(struct ost_lvb
*lvb
)
1807 __swab64s(&lvb
->lvb_size
);
1808 __swab64s(&lvb
->lvb_mtime
);
1809 __swab64s(&lvb
->lvb_atime
);
1810 __swab64s(&lvb
->lvb_ctime
);
1811 __swab64s(&lvb
->lvb_blocks
);
1812 __swab32s(&lvb
->lvb_mtime_ns
);
1813 __swab32s(&lvb
->lvb_atime_ns
);
1814 __swab32s(&lvb
->lvb_ctime_ns
);
1815 __swab32s(&lvb
->lvb_padding
);
1817 EXPORT_SYMBOL(lustre_swab_ost_lvb
);
1819 void lustre_swab_lquota_lvb(struct lquota_lvb
*lvb
)
1821 __swab64s(&lvb
->lvb_flags
);
1822 __swab64s(&lvb
->lvb_id_may_rel
);
1823 __swab64s(&lvb
->lvb_id_rel
);
1824 __swab64s(&lvb
->lvb_id_qunit
);
1825 __swab64s(&lvb
->lvb_pad1
);
1827 EXPORT_SYMBOL(lustre_swab_lquota_lvb
);
1829 void lustre_swab_mdt_body(struct mdt_body
*b
)
1831 lustre_swab_lu_fid(&b
->fid1
);
1832 lustre_swab_lu_fid(&b
->fid2
);
1833 /* handle is opaque */
1834 __swab64s(&b
->valid
);
1835 __swab64s(&b
->size
);
1836 __swab64s(&b
->mtime
);
1837 __swab64s(&b
->atime
);
1838 __swab64s(&b
->ctime
);
1839 __swab64s(&b
->blocks
);
1840 __swab64s(&b
->ioepoch
);
1841 __swab64s(&b
->t_state
);
1842 __swab32s(&b
->fsuid
);
1843 __swab32s(&b
->fsgid
);
1844 __swab32s(&b
->capability
);
1845 __swab32s(&b
->mode
);
1848 __swab32s(&b
->flags
);
1849 __swab32s(&b
->rdev
);
1850 __swab32s(&b
->nlink
);
1851 CLASSERT(offsetof(typeof(*b
), unused2
) != 0);
1852 __swab32s(&b
->suppgid
);
1853 __swab32s(&b
->eadatasize
);
1854 __swab32s(&b
->aclsize
);
1855 __swab32s(&b
->max_mdsize
);
1856 __swab32s(&b
->max_cookiesize
);
1857 __swab32s(&b
->uid_h
);
1858 __swab32s(&b
->gid_h
);
1859 CLASSERT(offsetof(typeof(*b
), padding_5
) != 0);
1861 EXPORT_SYMBOL(lustre_swab_mdt_body
);
1863 void lustre_swab_mdt_ioepoch(struct mdt_ioepoch
*b
)
1865 /* handle is opaque */
1866 __swab64s(&b
->ioepoch
);
1867 __swab32s(&b
->flags
);
1868 CLASSERT(offsetof(typeof(*b
), padding
) != 0);
1870 EXPORT_SYMBOL(lustre_swab_mdt_ioepoch
);
1872 void lustre_swab_mgs_target_info(struct mgs_target_info
*mti
)
1875 __swab32s(&mti
->mti_lustre_ver
);
1876 __swab32s(&mti
->mti_stripe_index
);
1877 __swab32s(&mti
->mti_config_ver
);
1878 __swab32s(&mti
->mti_flags
);
1879 __swab32s(&mti
->mti_instance
);
1880 __swab32s(&mti
->mti_nid_count
);
1881 CLASSERT(sizeof(lnet_nid_t
) == sizeof(__u64
));
1882 for (i
= 0; i
< MTI_NIDS_MAX
; i
++)
1883 __swab64s(&mti
->mti_nids
[i
]);
1885 EXPORT_SYMBOL(lustre_swab_mgs_target_info
);
1887 void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry
*entry
)
1891 __swab64s(&entry
->mne_version
);
1892 __swab32s(&entry
->mne_instance
);
1893 __swab32s(&entry
->mne_index
);
1894 __swab32s(&entry
->mne_length
);
1896 /* mne_nid_(count|type) must be one byte size because we're gonna
1897 * access it w/o swapping. */
1898 CLASSERT(sizeof(entry
->mne_nid_count
) == sizeof(__u8
));
1899 CLASSERT(sizeof(entry
->mne_nid_type
) == sizeof(__u8
));
1901 /* remove this assertion if ipv6 is supported. */
1902 LASSERT(entry
->mne_nid_type
== 0);
1903 for (i
= 0; i
< entry
->mne_nid_count
; i
++) {
1904 CLASSERT(sizeof(lnet_nid_t
) == sizeof(__u64
));
1905 __swab64s(&entry
->u
.nids
[i
]);
1908 EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry
);
1910 void lustre_swab_mgs_config_body(struct mgs_config_body
*body
)
1912 __swab64s(&body
->mcb_offset
);
1913 __swab32s(&body
->mcb_units
);
1914 __swab16s(&body
->mcb_type
);
1916 EXPORT_SYMBOL(lustre_swab_mgs_config_body
);
1918 void lustre_swab_mgs_config_res(struct mgs_config_res
*body
)
1920 __swab64s(&body
->mcr_offset
);
1921 __swab64s(&body
->mcr_size
);
1923 EXPORT_SYMBOL(lustre_swab_mgs_config_res
);
1925 static void lustre_swab_obd_dqinfo(struct obd_dqinfo
*i
)
1927 __swab64s(&i
->dqi_bgrace
);
1928 __swab64s(&i
->dqi_igrace
);
1929 __swab32s(&i
->dqi_flags
);
1930 __swab32s(&i
->dqi_valid
);
1933 static void lustre_swab_obd_dqblk(struct obd_dqblk
*b
)
1935 __swab64s(&b
->dqb_ihardlimit
);
1936 __swab64s(&b
->dqb_isoftlimit
);
1937 __swab64s(&b
->dqb_curinodes
);
1938 __swab64s(&b
->dqb_bhardlimit
);
1939 __swab64s(&b
->dqb_bsoftlimit
);
1940 __swab64s(&b
->dqb_curspace
);
1941 __swab64s(&b
->dqb_btime
);
1942 __swab64s(&b
->dqb_itime
);
1943 __swab32s(&b
->dqb_valid
);
1944 CLASSERT(offsetof(typeof(*b
), dqb_padding
) != 0);
1947 void lustre_swab_obd_quotactl(struct obd_quotactl
*q
)
1949 __swab32s(&q
->qc_cmd
);
1950 __swab32s(&q
->qc_type
);
1951 __swab32s(&q
->qc_id
);
1952 __swab32s(&q
->qc_stat
);
1953 lustre_swab_obd_dqinfo(&q
->qc_dqinfo
);
1954 lustre_swab_obd_dqblk(&q
->qc_dqblk
);
1956 EXPORT_SYMBOL(lustre_swab_obd_quotactl
);
1958 void lustre_swab_mdt_remote_perm(struct mdt_remote_perm
*p
)
1960 __swab32s(&p
->rp_uid
);
1961 __swab32s(&p
->rp_gid
);
1962 __swab32s(&p
->rp_fsuid
);
1963 __swab32s(&p
->rp_fsuid_h
);
1964 __swab32s(&p
->rp_fsgid
);
1965 __swab32s(&p
->rp_fsgid_h
);
1966 __swab32s(&p
->rp_access_perm
);
1967 __swab32s(&p
->rp_padding
);
1969 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm
);
1971 void lustre_swab_fid2path(struct getinfo_fid2path
*gf
)
1973 lustre_swab_lu_fid(&gf
->gf_fid
);
1974 __swab64s(&gf
->gf_recno
);
1975 __swab32s(&gf
->gf_linkno
);
1976 __swab32s(&gf
->gf_pathlen
);
1978 EXPORT_SYMBOL(lustre_swab_fid2path
);
1980 void lustre_swab_fiemap_extent(struct ll_fiemap_extent
*fm_extent
)
1982 __swab64s(&fm_extent
->fe_logical
);
1983 __swab64s(&fm_extent
->fe_physical
);
1984 __swab64s(&fm_extent
->fe_length
);
1985 __swab32s(&fm_extent
->fe_flags
);
1986 __swab32s(&fm_extent
->fe_device
);
1989 void lustre_swab_fiemap(struct ll_user_fiemap
*fiemap
)
1993 __swab64s(&fiemap
->fm_start
);
1994 __swab64s(&fiemap
->fm_length
);
1995 __swab32s(&fiemap
->fm_flags
);
1996 __swab32s(&fiemap
->fm_mapped_extents
);
1997 __swab32s(&fiemap
->fm_extent_count
);
1998 __swab32s(&fiemap
->fm_reserved
);
2000 for (i
= 0; i
< fiemap
->fm_mapped_extents
; i
++)
2001 lustre_swab_fiemap_extent(&fiemap
->fm_extents
[i
]);
2003 EXPORT_SYMBOL(lustre_swab_fiemap
);
2005 void lustre_swab_idx_info(struct idx_info
*ii
)
2007 __swab32s(&ii
->ii_magic
);
2008 __swab32s(&ii
->ii_flags
);
2009 __swab16s(&ii
->ii_count
);
2010 __swab32s(&ii
->ii_attrs
);
2011 lustre_swab_lu_fid(&ii
->ii_fid
);
2012 __swab64s(&ii
->ii_version
);
2013 __swab64s(&ii
->ii_hash_start
);
2014 __swab64s(&ii
->ii_hash_end
);
2015 __swab16s(&ii
->ii_keysize
);
2016 __swab16s(&ii
->ii_recsize
);
2019 void lustre_swab_lip_header(struct lu_idxpage
*lip
)
2022 __swab32s(&lip
->lip_magic
);
2023 __swab16s(&lip
->lip_flags
);
2024 __swab16s(&lip
->lip_nr
);
2026 EXPORT_SYMBOL(lustre_swab_lip_header
);
2028 void lustre_swab_mdt_rec_reint (struct mdt_rec_reint
*rr
)
2030 __swab32s(&rr
->rr_opcode
);
2031 __swab32s(&rr
->rr_cap
);
2032 __swab32s(&rr
->rr_fsuid
);
2033 /* rr_fsuid_h is unused */
2034 __swab32s(&rr
->rr_fsgid
);
2035 /* rr_fsgid_h is unused */
2036 __swab32s(&rr
->rr_suppgid1
);
2037 /* rr_suppgid1_h is unused */
2038 __swab32s(&rr
->rr_suppgid2
);
2039 /* rr_suppgid2_h is unused */
2040 lustre_swab_lu_fid(&rr
->rr_fid1
);
2041 lustre_swab_lu_fid(&rr
->rr_fid2
);
2042 __swab64s(&rr
->rr_mtime
);
2043 __swab64s(&rr
->rr_atime
);
2044 __swab64s(&rr
->rr_ctime
);
2045 __swab64s(&rr
->rr_size
);
2046 __swab64s(&rr
->rr_blocks
);
2047 __swab32s(&rr
->rr_bias
);
2048 __swab32s(&rr
->rr_mode
);
2049 __swab32s(&rr
->rr_flags
);
2050 __swab32s(&rr
->rr_flags_h
);
2051 __swab32s(&rr
->rr_umask
);
2053 CLASSERT(offsetof(typeof(*rr
), rr_padding_4
) != 0);
2055 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint
);
2057 void lustre_swab_lov_desc(struct lov_desc
*ld
)
2059 __swab32s(&ld
->ld_tgt_count
);
2060 __swab32s(&ld
->ld_active_tgt_count
);
2061 __swab32s(&ld
->ld_default_stripe_count
);
2062 __swab32s(&ld
->ld_pattern
);
2063 __swab64s(&ld
->ld_default_stripe_size
);
2064 __swab64s(&ld
->ld_default_stripe_offset
);
2065 __swab32s(&ld
->ld_qos_maxage
);
2066 /* uuid endian insensitive */
2068 EXPORT_SYMBOL(lustre_swab_lov_desc
);
2070 void lustre_swab_lmv_desc(struct lmv_desc
*ld
)
2072 __swab32s(&ld
->ld_tgt_count
);
2073 __swab32s(&ld
->ld_active_tgt_count
);
2074 __swab32s(&ld
->ld_default_stripe_count
);
2075 __swab32s(&ld
->ld_pattern
);
2076 __swab64s(&ld
->ld_default_hash_size
);
2077 __swab32s(&ld
->ld_qos_maxage
);
2078 /* uuid endian insensitive */
2081 void lustre_swab_lmv_stripe_md(struct lmv_stripe_md
*mea
)
2083 __swab32s(&mea
->mea_magic
);
2084 __swab32s(&mea
->mea_count
);
2085 __swab32s(&mea
->mea_master
);
2086 CLASSERT(offsetof(typeof(*mea
), mea_padding
) != 0);
2089 void lustre_swab_lmv_user_md(struct lmv_user_md
*lum
)
2093 __swab32s(&lum
->lum_magic
);
2094 __swab32s(&lum
->lum_stripe_count
);
2095 __swab32s(&lum
->lum_stripe_offset
);
2096 __swab32s(&lum
->lum_hash_type
);
2097 __swab32s(&lum
->lum_type
);
2098 CLASSERT(offsetof(typeof(*lum
), lum_padding1
) != 0);
2099 CLASSERT(offsetof(typeof(*lum
), lum_padding2
) != 0);
2100 CLASSERT(offsetof(typeof(*lum
), lum_padding3
) != 0);
2102 for (i
= 0; i
< lum
->lum_stripe_count
; i
++) {
2103 __swab32s(&lum
->lum_objects
[i
].lum_mds
);
2104 lustre_swab_lu_fid(&lum
->lum_objects
[i
].lum_fid
);
2108 EXPORT_SYMBOL(lustre_swab_lmv_user_md
);
2110 static void print_lum(struct lov_user_md
*lum
)
2112 CDEBUG(D_OTHER
, "lov_user_md %p:\n", lum
);
2113 CDEBUG(D_OTHER
, "\tlmm_magic: %#x\n", lum
->lmm_magic
);
2114 CDEBUG(D_OTHER
, "\tlmm_pattern: %#x\n", lum
->lmm_pattern
);
2115 CDEBUG(D_OTHER
, "\tlmm_object_id: %llu\n", lmm_oi_id(&lum
->lmm_oi
));
2116 CDEBUG(D_OTHER
, "\tlmm_object_gr: %llu\n", lmm_oi_seq(&lum
->lmm_oi
));
2117 CDEBUG(D_OTHER
, "\tlmm_stripe_size: %#x\n", lum
->lmm_stripe_size
);
2118 CDEBUG(D_OTHER
, "\tlmm_stripe_count: %#x\n", lum
->lmm_stripe_count
);
2119 CDEBUG(D_OTHER
, "\tlmm_stripe_offset/lmm_layout_gen: %#x\n",
2120 lum
->lmm_stripe_offset
);
2123 static void lustre_swab_lmm_oi(struct ost_id
*oi
)
2125 __swab64s(&oi
->oi
.oi_id
);
2126 __swab64s(&oi
->oi
.oi_seq
);
2129 static void lustre_swab_lov_user_md_common(struct lov_user_md_v1
*lum
)
2131 __swab32s(&lum
->lmm_magic
);
2132 __swab32s(&lum
->lmm_pattern
);
2133 lustre_swab_lmm_oi(&lum
->lmm_oi
);
2134 __swab32s(&lum
->lmm_stripe_size
);
2135 __swab16s(&lum
->lmm_stripe_count
);
2136 __swab16s(&lum
->lmm_stripe_offset
);
2140 void lustre_swab_lov_user_md_v1(struct lov_user_md_v1
*lum
)
2142 CDEBUG(D_IOCTL
, "swabbing lov_user_md v1\n");
2143 lustre_swab_lov_user_md_common(lum
);
2145 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1
);
2147 void lustre_swab_lov_user_md_v3(struct lov_user_md_v3
*lum
)
2149 CDEBUG(D_IOCTL
, "swabbing lov_user_md v3\n");
2150 lustre_swab_lov_user_md_common((struct lov_user_md_v1
*)lum
);
2151 /* lmm_pool_name nothing to do with char */
2153 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3
);
2155 void lustre_swab_lov_mds_md(struct lov_mds_md
*lmm
)
2157 CDEBUG(D_IOCTL
, "swabbing lov_mds_md\n");
2158 __swab32s(&lmm
->lmm_magic
);
2159 __swab32s(&lmm
->lmm_pattern
);
2160 lustre_swab_lmm_oi(&lmm
->lmm_oi
);
2161 __swab32s(&lmm
->lmm_stripe_size
);
2162 __swab16s(&lmm
->lmm_stripe_count
);
2163 __swab16s(&lmm
->lmm_layout_gen
);
2165 EXPORT_SYMBOL(lustre_swab_lov_mds_md
);
2167 void lustre_swab_lov_user_md_objects(struct lov_user_ost_data
*lod
,
2172 for (i
= 0; i
< stripe_count
; i
++) {
2173 lustre_swab_ost_id(&(lod
[i
].l_ost_oi
));
2174 __swab32s(&(lod
[i
].l_ost_gen
));
2175 __swab32s(&(lod
[i
].l_ost_idx
));
2178 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects
);
2180 void lustre_swab_ldlm_res_id(struct ldlm_res_id
*id
)
2184 for (i
= 0; i
< RES_NAME_SIZE
; i
++)
2185 __swab64s(&id
->name
[i
]);
2187 EXPORT_SYMBOL(lustre_swab_ldlm_res_id
);
2189 void lustre_swab_ldlm_policy_data(ldlm_wire_policy_data_t
*d
)
2191 /* the lock data is a union and the first two fields are always an
2192 * extent so it's ok to process an LDLM_EXTENT and LDLM_FLOCK lock
2193 * data the same way. */
2194 __swab64s(&d
->l_extent
.start
);
2195 __swab64s(&d
->l_extent
.end
);
2196 __swab64s(&d
->l_extent
.gid
);
2197 __swab64s(&d
->l_flock
.lfw_owner
);
2198 __swab32s(&d
->l_flock
.lfw_pid
);
2200 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data
);
2202 void lustre_swab_ldlm_intent(struct ldlm_intent
*i
)
2206 EXPORT_SYMBOL(lustre_swab_ldlm_intent
);
2208 void lustre_swab_ldlm_resource_desc(struct ldlm_resource_desc
*r
)
2210 __swab32s(&r
->lr_type
);
2211 CLASSERT(offsetof(typeof(*r
), lr_padding
) != 0);
2212 lustre_swab_ldlm_res_id(&r
->lr_name
);
2214 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc
);
2216 void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc
*l
)
2218 lustre_swab_ldlm_resource_desc(&l
->l_resource
);
2219 __swab32s(&l
->l_req_mode
);
2220 __swab32s(&l
->l_granted_mode
);
2221 lustre_swab_ldlm_policy_data(&l
->l_policy_data
);
2223 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc
);
2225 void lustre_swab_ldlm_request(struct ldlm_request
*rq
)
2227 __swab32s(&rq
->lock_flags
);
2228 lustre_swab_ldlm_lock_desc(&rq
->lock_desc
);
2229 __swab32s(&rq
->lock_count
);
2230 /* lock_handle[] opaque */
2232 EXPORT_SYMBOL(lustre_swab_ldlm_request
);
2234 void lustre_swab_ldlm_reply(struct ldlm_reply
*r
)
2236 __swab32s(&r
->lock_flags
);
2237 CLASSERT(offsetof(typeof(*r
), lock_padding
) != 0);
2238 lustre_swab_ldlm_lock_desc(&r
->lock_desc
);
2239 /* lock_handle opaque */
2240 __swab64s(&r
->lock_policy_res1
);
2241 __swab64s(&r
->lock_policy_res2
);
2243 EXPORT_SYMBOL(lustre_swab_ldlm_reply
);
2245 void lustre_swab_quota_body(struct quota_body
*b
)
2247 lustre_swab_lu_fid(&b
->qb_fid
);
2248 lustre_swab_lu_fid((struct lu_fid
*)&b
->qb_id
);
2249 __swab32s(&b
->qb_flags
);
2250 __swab64s(&b
->qb_count
);
2251 __swab64s(&b
->qb_usage
);
2252 __swab64s(&b
->qb_slv_ver
);
2255 /* Dump functions */
2256 void dump_ioo(struct obd_ioobj
*ioo
)
2259 "obd_ioobj: ioo_oid=" DOSTID
", ioo_max_brw=%#x, ioo_bufct=%d\n",
2260 POSTID(&ioo
->ioo_oid
), ioo
->ioo_max_brw
,
2263 EXPORT_SYMBOL(dump_ioo
);
2265 void dump_rniobuf(struct niobuf_remote
*nb
)
2267 CDEBUG(D_RPCTRACE
, "niobuf_remote: offset=%llu, len=%d, flags=%x\n",
2268 nb
->offset
, nb
->len
, nb
->flags
);
2270 EXPORT_SYMBOL(dump_rniobuf
);
2272 void dump_obdo(struct obdo
*oa
)
2274 __u32 valid
= oa
->o_valid
;
2276 CDEBUG(D_RPCTRACE
, "obdo: o_valid = %08x\n", valid
);
2277 if (valid
& OBD_MD_FLID
)
2278 CDEBUG(D_RPCTRACE
, "obdo: id = "DOSTID
"\n", POSTID(&oa
->o_oi
));
2279 if (valid
& OBD_MD_FLFID
)
2280 CDEBUG(D_RPCTRACE
, "obdo: o_parent_seq = %#llx\n",
2282 if (valid
& OBD_MD_FLSIZE
)
2283 CDEBUG(D_RPCTRACE
, "obdo: o_size = %lld\n", oa
->o_size
);
2284 if (valid
& OBD_MD_FLMTIME
)
2285 CDEBUG(D_RPCTRACE
, "obdo: o_mtime = %lld\n", oa
->o_mtime
);
2286 if (valid
& OBD_MD_FLATIME
)
2287 CDEBUG(D_RPCTRACE
, "obdo: o_atime = %lld\n", oa
->o_atime
);
2288 if (valid
& OBD_MD_FLCTIME
)
2289 CDEBUG(D_RPCTRACE
, "obdo: o_ctime = %lld\n", oa
->o_ctime
);
2290 if (valid
& OBD_MD_FLBLOCKS
) /* allocation of space */
2291 CDEBUG(D_RPCTRACE
, "obdo: o_blocks = %lld\n", oa
->o_blocks
);
2292 if (valid
& OBD_MD_FLGRANT
)
2293 CDEBUG(D_RPCTRACE
, "obdo: o_grant = %lld\n", oa
->o_grant
);
2294 if (valid
& OBD_MD_FLBLKSZ
)
2295 CDEBUG(D_RPCTRACE
, "obdo: o_blksize = %d\n", oa
->o_blksize
);
2296 if (valid
& (OBD_MD_FLTYPE
| OBD_MD_FLMODE
))
2297 CDEBUG(D_RPCTRACE
, "obdo: o_mode = %o\n",
2298 oa
->o_mode
& ((valid
& OBD_MD_FLTYPE
? S_IFMT
: 0) |
2299 (valid
& OBD_MD_FLMODE
? ~S_IFMT
: 0)));
2300 if (valid
& OBD_MD_FLUID
)
2301 CDEBUG(D_RPCTRACE
, "obdo: o_uid = %u\n", oa
->o_uid
);
2302 if (valid
& OBD_MD_FLUID
)
2303 CDEBUG(D_RPCTRACE
, "obdo: o_uid_h = %u\n", oa
->o_uid_h
);
2304 if (valid
& OBD_MD_FLGID
)
2305 CDEBUG(D_RPCTRACE
, "obdo: o_gid = %u\n", oa
->o_gid
);
2306 if (valid
& OBD_MD_FLGID
)
2307 CDEBUG(D_RPCTRACE
, "obdo: o_gid_h = %u\n", oa
->o_gid_h
);
2308 if (valid
& OBD_MD_FLFLAGS
)
2309 CDEBUG(D_RPCTRACE
, "obdo: o_flags = %x\n", oa
->o_flags
);
2310 if (valid
& OBD_MD_FLNLINK
)
2311 CDEBUG(D_RPCTRACE
, "obdo: o_nlink = %u\n", oa
->o_nlink
);
2312 else if (valid
& OBD_MD_FLCKSUM
)
2313 CDEBUG(D_RPCTRACE
, "obdo: o_checksum (o_nlink) = %u\n",
2315 if (valid
& OBD_MD_FLGENER
)
2316 CDEBUG(D_RPCTRACE
, "obdo: o_parent_oid = %x\n",
2318 if (valid
& OBD_MD_FLEPOCH
)
2319 CDEBUG(D_RPCTRACE
, "obdo: o_ioepoch = %lld\n",
2321 if (valid
& OBD_MD_FLFID
) {
2322 CDEBUG(D_RPCTRACE
, "obdo: o_stripe_idx = %u\n",
2324 CDEBUG(D_RPCTRACE
, "obdo: o_parent_ver = %x\n",
2327 if (valid
& OBD_MD_FLHANDLE
)
2328 CDEBUG(D_RPCTRACE
, "obdo: o_handle = %lld\n",
2329 oa
->o_handle
.cookie
);
2330 if (valid
& OBD_MD_FLCOOKIE
)
2331 CDEBUG(D_RPCTRACE
, "obdo: o_lcookie = (llog_cookie dumping not yet implemented)\n");
2333 EXPORT_SYMBOL(dump_obdo
);
2335 void dump_ost_body(struct ost_body
*ob
)
2339 EXPORT_SYMBOL(dump_ost_body
);
2341 void dump_rcs(__u32
*rc
)
2343 CDEBUG(D_RPCTRACE
, "rmf_rcs: %d\n", *rc
);
2345 EXPORT_SYMBOL(dump_rcs
);
2347 static inline int req_ptlrpc_body_swabbed(struct ptlrpc_request
*req
)
2349 LASSERT(req
->rq_reqmsg
);
2351 switch (req
->rq_reqmsg
->lm_magic
) {
2352 case LUSTRE_MSG_MAGIC_V2
:
2353 return lustre_req_swabbed(req
, MSG_PTLRPC_BODY_OFF
);
2355 CERROR("bad lustre msg magic: %#08X\n",
2356 req
->rq_reqmsg
->lm_magic
);
2361 static inline int rep_ptlrpc_body_swabbed(struct ptlrpc_request
*req
)
2363 LASSERT(req
->rq_repmsg
);
2365 switch (req
->rq_repmsg
->lm_magic
) {
2366 case LUSTRE_MSG_MAGIC_V2
:
2367 return lustre_rep_swabbed(req
, MSG_PTLRPC_BODY_OFF
);
2369 /* uninitialized yet */
2374 void _debug_req(struct ptlrpc_request
*req
,
2375 struct libcfs_debug_msg_data
*msgdata
,
2376 const char *fmt
, ...)
2378 int req_ok
= req
->rq_reqmsg
!= NULL
;
2379 int rep_ok
= req
->rq_repmsg
!= NULL
;
2380 lnet_nid_t nid
= LNET_NID_ANY
;
2383 if (ptlrpc_req_need_swab(req
)) {
2384 req_ok
= req_ok
&& req_ptlrpc_body_swabbed(req
);
2385 rep_ok
= rep_ok
&& rep_ptlrpc_body_swabbed(req
);
2388 if (req
->rq_import
&& req
->rq_import
->imp_connection
)
2389 nid
= req
->rq_import
->imp_connection
->c_peer
.nid
;
2390 else if (req
->rq_export
&& req
->rq_export
->exp_connection
)
2391 nid
= req
->rq_export
->exp_connection
->c_peer
.nid
;
2393 va_start(args
, fmt
);
2394 libcfs_debug_vmsg2(msgdata
, fmt
, args
,
2395 " 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",
2396 req
, req
->rq_xid
, req
->rq_transno
,
2397 req_ok
? lustre_msg_get_transno(req
->rq_reqmsg
) : 0,
2398 req_ok
? lustre_msg_get_opc(req
->rq_reqmsg
) : -1,
2400 req
->rq_import
->imp_obd
->obd_name
:
2402 req
->rq_export
->exp_client_uuid
.uuid
:
2404 libcfs_nid2str(nid
),
2405 req
->rq_request_portal
, req
->rq_reply_portal
,
2406 req
->rq_reqlen
, req
->rq_replen
,
2407 req
->rq_early_count
, req
->rq_timedout
,
2409 atomic_read(&req
->rq_refcount
),
2410 DEBUG_REQ_FLAGS(req
),
2411 req_ok
? lustre_msg_get_flags(req
->rq_reqmsg
) : -1,
2412 rep_ok
? lustre_msg_get_flags(req
->rq_repmsg
) : -1,
2414 rep_ok
? lustre_msg_get_status(req
->rq_repmsg
) : -1);
2417 EXPORT_SYMBOL(_debug_req
);
2419 void lustre_swab_lustre_capa(struct lustre_capa
*c
)
2421 lustre_swab_lu_fid(&c
->lc_fid
);
2422 __swab64s(&c
->lc_opc
);
2423 __swab64s(&c
->lc_uid
);
2424 __swab64s(&c
->lc_gid
);
2425 __swab32s(&c
->lc_flags
);
2426 __swab32s(&c
->lc_keyid
);
2427 __swab32s(&c
->lc_timeout
);
2428 __swab32s(&c
->lc_expiry
);
2430 EXPORT_SYMBOL(lustre_swab_lustre_capa
);
2432 void lustre_swab_lustre_capa_key(struct lustre_capa_key
*k
)
2434 __swab64s(&k
->lk_seq
);
2435 __swab32s(&k
->lk_keyid
);
2436 CLASSERT(offsetof(typeof(*k
), lk_padding
) != 0);
2438 EXPORT_SYMBOL(lustre_swab_lustre_capa_key
);
2440 void lustre_swab_hsm_user_state(struct hsm_user_state
*state
)
2442 __swab32s(&state
->hus_states
);
2443 __swab32s(&state
->hus_archive_id
);
2445 EXPORT_SYMBOL(lustre_swab_hsm_user_state
);
2447 void lustre_swab_hsm_state_set(struct hsm_state_set
*hss
)
2449 __swab32s(&hss
->hss_valid
);
2450 __swab64s(&hss
->hss_setmask
);
2451 __swab64s(&hss
->hss_clearmask
);
2452 __swab32s(&hss
->hss_archive_id
);
2454 EXPORT_SYMBOL(lustre_swab_hsm_state_set
);
2456 void lustre_swab_hsm_extent(struct hsm_extent
*extent
)
2458 __swab64s(&extent
->offset
);
2459 __swab64s(&extent
->length
);
2462 void lustre_swab_hsm_current_action(struct hsm_current_action
*action
)
2464 __swab32s(&action
->hca_state
);
2465 __swab32s(&action
->hca_action
);
2466 lustre_swab_hsm_extent(&action
->hca_location
);
2468 EXPORT_SYMBOL(lustre_swab_hsm_current_action
);
2470 void lustre_swab_hsm_user_item(struct hsm_user_item
*hui
)
2472 lustre_swab_lu_fid(&hui
->hui_fid
);
2473 lustre_swab_hsm_extent(&hui
->hui_extent
);
2475 EXPORT_SYMBOL(lustre_swab_hsm_user_item
);
2477 void lustre_swab_layout_intent(struct layout_intent
*li
)
2479 __swab32s(&li
->li_opc
);
2480 __swab32s(&li
->li_flags
);
2481 __swab64s(&li
->li_start
);
2482 __swab64s(&li
->li_end
);
2484 EXPORT_SYMBOL(lustre_swab_layout_intent
);
2486 void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel
*hpk
)
2488 lustre_swab_lu_fid(&hpk
->hpk_fid
);
2489 __swab64s(&hpk
->hpk_cookie
);
2490 __swab64s(&hpk
->hpk_extent
.offset
);
2491 __swab64s(&hpk
->hpk_extent
.length
);
2492 __swab16s(&hpk
->hpk_flags
);
2493 __swab16s(&hpk
->hpk_errval
);
2495 EXPORT_SYMBOL(lustre_swab_hsm_progress_kernel
);
2497 void lustre_swab_hsm_request(struct hsm_request
*hr
)
2499 __swab32s(&hr
->hr_action
);
2500 __swab32s(&hr
->hr_archive_id
);
2501 __swab64s(&hr
->hr_flags
);
2502 __swab32s(&hr
->hr_itemcount
);
2503 __swab32s(&hr
->hr_data_len
);
2505 EXPORT_SYMBOL(lustre_swab_hsm_request
);
2507 void lustre_swab_update_buf(struct update_buf
*ub
)
2509 __swab32s(&ub
->ub_magic
);
2510 __swab32s(&ub
->ub_count
);
2512 EXPORT_SYMBOL(lustre_swab_update_buf
);
2514 void lustre_swab_update_reply_buf(struct update_reply
*ur
)
2518 __swab32s(&ur
->ur_version
);
2519 __swab32s(&ur
->ur_count
);
2520 for (i
= 0; i
< ur
->ur_count
; i
++)
2521 __swab32s(&ur
->ur_lens
[i
]);
2523 EXPORT_SYMBOL(lustre_swab_update_reply_buf
);
2525 void lustre_swab_swap_layouts(struct mdc_swap_layouts
*msl
)
2527 __swab64s(&msl
->msl_flags
);
2529 EXPORT_SYMBOL(lustre_swab_swap_layouts
);
2531 void lustre_swab_close_data(struct close_data
*cd
)
2533 lustre_swab_lu_fid(&cd
->cd_fid
);
2534 __swab64s(&cd
->cd_data_version
);
2536 EXPORT_SYMBOL(lustre_swab_close_data
);