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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
32 #define DEBUG_SUBSYSTEM S_MDC
33 #include <linux/user_namespace.h>
34 #include <linux/uidgid.h>
36 #include <lustre_net.h>
37 #include <obd_class.h>
39 #include <cl_object.h>
40 #include "mdc_internal.h"
42 static void set_mrc_cr_flags(struct mdt_rec_create *mrc, __u64 flags)
44 mrc->cr_flags_l = (__u32)(flags & 0xFFFFFFFFUll);
45 mrc->cr_flags_h = (__u32)(flags >> 32);
48 static void __mdc_pack_body(struct mdt_body *b, __u32 suppgid)
52 b->mbo_suppgid = suppgid;
53 b->mbo_uid = from_kuid(&init_user_ns, current_uid());
54 b->mbo_gid = from_kgid(&init_user_ns, current_gid());
55 b->mbo_fsuid = from_kuid(&init_user_ns, current_fsuid());
56 b->mbo_fsgid = from_kgid(&init_user_ns, current_fsgid());
57 b->mbo_capability = ll_capability_u32(current_cap());
60 void mdc_swap_layouts_pack(struct req_capsule *pill,
61 struct md_op_data *op_data)
63 struct mdt_body *b = req_capsule_client_get(pill, &RMF_MDT_BODY);
65 __mdc_pack_body(b, op_data->op_suppgids[0]);
66 b->mbo_fid1 = op_data->op_fid1;
67 b->mbo_fid2 = op_data->op_fid2;
68 b->mbo_valid |= OBD_MD_FLID;
71 void mdc_pack_body(struct req_capsule *pill, const struct lu_fid *fid,
72 u64 valid, size_t ea_size, u32 suppgid, u32 flags)
74 struct mdt_body *b = req_capsule_client_get(pill, &RMF_MDT_BODY);
77 b->mbo_eadatasize = ea_size;
79 __mdc_pack_body(b, suppgid);
82 b->mbo_valid |= OBD_MD_FLID;
87 * Pack a name (path component) into a request
89 * \param[in] pill request pill
90 * \param[in] field request field (usually RMF_NAME)
91 * \param[in] name path component
92 * \param[in] name_len length of path component
94 * \a field must be present in \a req and of size \a name_len + 1.
96 * \a name must be '\0' terminated of length \a name_len and represent
97 * a single path component (not contain '/').
99 static void mdc_pack_name(struct req_capsule *pill,
100 const struct req_msg_field *field,
101 const char *name, size_t name_len)
107 buf = req_capsule_client_get(pill, field);
108 buf_size = req_capsule_get_size(pill, field, RCL_CLIENT);
110 LASSERT(buf != NULL && buf_size == name_len + 1);
113 buf[name_len] = '\0';
116 cpy_len = strlcpy(buf, name, buf_size);
118 LASSERT(lu_name_is_valid_2(buf, cpy_len));
119 if (cpy_len != name_len)
120 CDEBUG(D_DENTRY, "%s len %zd != %zd, concurrent rename?\n",
121 buf, name_len, cpy_len);
124 void mdc_file_secctx_pack(struct req_capsule *pill, const char *secctx_name,
125 const void *secctx, size_t secctx_size)
130 if (secctx_name == NULL)
133 buf = req_capsule_client_get(pill, &RMF_FILE_SECCTX_NAME);
134 buf_size = req_capsule_get_size(pill, &RMF_FILE_SECCTX_NAME,
137 LASSERT(buf_size == strlen(secctx_name) + 1);
138 memcpy(buf, secctx_name, buf_size);
140 buf = req_capsule_client_get(pill, &RMF_FILE_SECCTX);
141 buf_size = req_capsule_get_size(pill, &RMF_FILE_SECCTX,
144 LASSERT(buf_size == secctx_size);
145 memcpy(buf, secctx, buf_size);
148 void mdc_file_encctx_pack(struct req_capsule *pill,
149 const void *encctx, size_t encctx_size)
157 buf = req_capsule_client_get(pill, &RMF_FILE_ENCCTX);
158 buf_size = req_capsule_get_size(pill, &RMF_FILE_ENCCTX,
161 LASSERT(buf_size == encctx_size);
162 memcpy(buf, encctx, buf_size);
165 void mdc_file_sepol_pack(struct req_capsule *pill)
169 struct ptlrpc_request *req = pill->rc_req;
171 if (strlen(req->rq_sepol) == 0)
174 buf = req_capsule_client_get(pill, &RMF_SELINUX_POL);
175 buf_size = req_capsule_get_size(pill, &RMF_SELINUX_POL,
178 LASSERT(buf_size == strlen(req->rq_sepol) + 1);
179 snprintf(buf, strlen(req->rq_sepol) + 1, "%s", req->rq_sepol);
182 void mdc_readdir_pack(struct req_capsule *pill, __u64 pgoff, size_t size,
183 const struct lu_fid *fid)
185 struct mdt_body *b = req_capsule_client_get(pill, &RMF_MDT_BODY);
188 b->mbo_valid |= OBD_MD_FLID;
189 b->mbo_size = pgoff; /* !! */
190 b->mbo_nlink = size; /* !! */
191 __mdc_pack_body(b, -1);
192 b->mbo_mode = LUDA_FID | LUDA_TYPE;
195 /* packing of MDS records */
196 void mdc_create_pack(struct req_capsule *pill, struct md_op_data *op_data,
197 const void *data, size_t datalen, umode_t mode,
198 uid_t uid, gid_t gid, kernel_cap_t cap_effective, u64 rdev)
200 struct mdt_rec_create *rec;
204 BUILD_BUG_ON(sizeof(struct mdt_rec_reint) !=
205 sizeof(struct mdt_rec_create));
206 rec = req_capsule_client_get(pill, &RMF_REC_REINT);
208 rec->cr_opcode = REINT_CREATE;
211 rec->cr_cap = ll_capability_u32(cap_effective);
212 rec->cr_fid1 = op_data->op_fid1;
213 rec->cr_fid2 = op_data->op_fid2;
216 rec->cr_time = op_data->op_mod_time;
217 rec->cr_suppgid1 = op_data->op_suppgids[0];
218 rec->cr_suppgid2 = op_data->op_suppgids[1];
220 if (op_data->op_bias & MDS_CREATE_VOLATILE)
221 flags |= MDS_OPEN_VOLATILE;
222 if (op_data->op_bias & MDS_SETSTRIPE_CREATE)
223 /* borrow MDS_OPEN_CREATE flag to indicate current setstripe
224 * create only, and don't restripe if object exists.
226 flags |= MDS_OPEN_CREAT;
227 if (op_data->op_bias & MDS_CREATE_DEFAULT_LMV) {
228 /* borrow MDS_OPEN_DEFAULT_LMV flag to indicate parent default
229 * LMV is packed in create request.
231 flags |= MDS_OPEN_DEFAULT_LMV;
234 set_mrc_cr_flags(rec, flags);
235 rec->cr_bias = op_data->op_bias;
236 rec->cr_umask = current_umask();
238 mdc_pack_name(pill, &RMF_NAME, op_data->op_name, op_data->op_namelen);
240 tmp = req_capsule_client_get(pill, &RMF_EADATA);
241 memcpy(tmp, data, datalen);
244 mdc_file_secctx_pack(pill, op_data->op_file_secctx_name,
245 op_data->op_file_secctx,
246 op_data->op_file_secctx_size);
248 mdc_file_encctx_pack(pill, op_data->op_file_encctx,
249 op_data->op_file_encctx_size);
251 /* pack SELinux policy info if any */
252 mdc_file_sepol_pack(pill);
255 static inline __u64 mds_pack_open_flags(__u64 flags)
257 __u64 cr_flags = (flags & MDS_OPEN_FL_INTERNAL);
259 if (flags & FMODE_READ)
260 cr_flags |= MDS_FMODE_READ;
261 if (flags & FMODE_WRITE)
262 cr_flags |= MDS_FMODE_WRITE;
264 cr_flags |= MDS_OPEN_CREAT;
266 cr_flags |= MDS_OPEN_EXCL;
268 cr_flags |= MDS_OPEN_TRUNC;
269 if (flags & O_APPEND)
270 cr_flags |= MDS_OPEN_APPEND;
272 cr_flags |= MDS_OPEN_SYNC;
273 if (flags & O_DIRECTORY)
274 cr_flags |= MDS_OPEN_DIRECTORY;
276 if (flags & FMODE_EXEC)
277 cr_flags |= MDS_FMODE_EXEC;
279 if (cl_is_lov_delay_create(flags))
280 cr_flags |= MDS_OPEN_DELAY_CREATE;
282 if (flags & O_NONBLOCK)
283 cr_flags |= MDS_OPEN_NORESTORE;
288 /* packing of MDS records */
289 void mdc_open_pack(struct req_capsule *pill, struct md_op_data *op_data,
290 umode_t mode, __u64 rdev, __u64 flags, const void *lmm,
293 struct mdt_rec_create *rec;
297 BUILD_BUG_ON(sizeof(struct mdt_rec_reint) !=
298 sizeof(struct mdt_rec_create));
299 rec = req_capsule_client_get(pill, &RMF_REC_REINT);
301 /* XXX do something about time, uid, gid */
302 rec->cr_opcode = REINT_OPEN;
303 rec->cr_fsuid = from_kuid(&init_user_ns, current_fsuid());
304 rec->cr_fsgid = from_kgid(&init_user_ns, current_fsgid());
305 rec->cr_cap = ll_capability_u32(current_cap());
307 cr_flags = mds_pack_open_flags(flags);
309 rec->cr_umask = current_umask();
310 if (op_data != NULL) {
311 rec->cr_fid1 = op_data->op_fid1;
312 rec->cr_fid2 = op_data->op_fid2;
313 rec->cr_time = op_data->op_mod_time;
314 rec->cr_suppgid1 = op_data->op_suppgids[0];
315 rec->cr_suppgid2 = op_data->op_suppgids[1];
316 rec->cr_bias = op_data->op_bias;
317 rec->cr_open_handle_old = op_data->op_open_handle;
319 if (op_data->op_name) {
320 mdc_pack_name(pill, &RMF_NAME, op_data->op_name,
321 op_data->op_namelen);
323 if (op_data->op_bias & MDS_CREATE_VOLATILE)
324 cr_flags |= MDS_OPEN_VOLATILE;
327 mdc_file_secctx_pack(pill, op_data->op_file_secctx_name,
328 op_data->op_file_secctx,
329 op_data->op_file_secctx_size);
331 mdc_file_encctx_pack(pill, op_data->op_file_encctx,
332 op_data->op_file_encctx_size);
334 /* pack SELinux policy info if any */
335 mdc_file_sepol_pack(pill);
339 cr_flags |= MDS_OPEN_HAS_EA;
340 tmp = req_capsule_client_get(pill, &RMF_EADATA);
341 memcpy(tmp, lmm, lmmlen);
342 if (cr_flags & MDS_OPEN_PCC) {
343 LASSERT(op_data != NULL);
344 rec->cr_archive_id = op_data->op_archive_id;
347 cr_flags |= MDS_OPEN_DEFAULT_LMV;
348 set_mrc_cr_flags(rec, cr_flags);
351 static inline enum mds_attr_flags mdc_attr_pack(unsigned int ia_valid,
352 enum op_xvalid ia_xvalid)
354 enum mds_attr_flags sa_valid = 0;
356 if (ia_valid & ATTR_MODE)
357 sa_valid |= MDS_ATTR_MODE;
358 if (ia_valid & ATTR_UID)
359 sa_valid |= MDS_ATTR_UID;
360 if (ia_valid & ATTR_GID)
361 sa_valid |= MDS_ATTR_GID;
362 if (ia_valid & ATTR_SIZE)
363 sa_valid |= MDS_ATTR_SIZE;
364 if (ia_valid & ATTR_ATIME)
365 sa_valid |= MDS_ATTR_ATIME;
366 if (ia_valid & ATTR_MTIME)
367 sa_valid |= MDS_ATTR_MTIME;
368 if (ia_valid & ATTR_CTIME)
369 sa_valid |= MDS_ATTR_CTIME;
370 if (ia_valid & ATTR_ATIME_SET)
371 sa_valid |= MDS_ATTR_ATIME_SET;
372 if (ia_valid & ATTR_MTIME_SET)
373 sa_valid |= MDS_ATTR_MTIME_SET;
374 if (ia_valid & ATTR_FORCE)
375 sa_valid |= MDS_ATTR_FORCE;
376 if (ia_xvalid & OP_XVALID_FLAGS)
377 sa_valid |= MDS_ATTR_ATTR_FLAG;
378 if (ia_valid & ATTR_KILL_SUID)
379 sa_valid |= MDS_ATTR_KILL_SUID;
380 if (ia_valid & ATTR_KILL_SGID)
381 sa_valid |= MDS_ATTR_KILL_SGID;
382 if (ia_xvalid & OP_XVALID_CTIME_SET)
383 sa_valid |= MDS_ATTR_CTIME_SET;
384 if (ia_valid & ATTR_OPEN)
385 sa_valid |= MDS_ATTR_FROM_OPEN;
386 if (ia_xvalid & OP_XVALID_BLOCKS)
387 sa_valid |= MDS_ATTR_BLOCKS;
388 if (ia_xvalid & OP_XVALID_OWNEROVERRIDE)
389 /* NFSD hack (see bug 5781) */
390 sa_valid |= MDS_OPEN_OWNEROVERRIDE;
391 if (ia_xvalid & OP_XVALID_PROJID)
392 sa_valid |= MDS_ATTR_PROJID;
393 if (ia_xvalid & OP_XVALID_LAZYSIZE)
394 sa_valid |= MDS_ATTR_LSIZE;
395 if (ia_xvalid & OP_XVALID_LAZYBLOCKS)
396 sa_valid |= MDS_ATTR_LBLOCKS;
401 static void mdc_setattr_pack_rec(struct mdt_rec_setattr *rec,
402 struct md_op_data *op_data)
404 rec->sa_opcode = REINT_SETATTR;
405 rec->sa_fsuid = from_kuid(&init_user_ns, current_fsuid());
406 rec->sa_fsgid = from_kgid(&init_user_ns, current_fsgid());
407 rec->sa_cap = ll_capability_u32(current_cap());
408 rec->sa_suppgid = -1;
410 rec->sa_fid = op_data->op_fid1;
411 rec->sa_valid = mdc_attr_pack(op_data->op_attr.ia_valid,
413 rec->sa_mode = op_data->op_attr.ia_mode;
414 rec->sa_uid = from_kuid(&init_user_ns, op_data->op_attr.ia_uid);
415 rec->sa_gid = from_kgid(&init_user_ns, op_data->op_attr.ia_gid);
416 rec->sa_projid = op_data->op_projid;
417 rec->sa_size = op_data->op_attr.ia_size;
418 rec->sa_blocks = op_data->op_attr_blocks;
419 rec->sa_atime = op_data->op_attr.ia_atime.tv_sec;
420 rec->sa_mtime = op_data->op_attr.ia_mtime.tv_sec;
421 rec->sa_ctime = op_data->op_attr.ia_ctime.tv_sec;
422 rec->sa_attr_flags = op_data->op_attr_flags;
423 if ((op_data->op_attr.ia_valid & ATTR_GID) &&
424 in_group_p(op_data->op_attr.ia_gid))
426 from_kgid(&init_user_ns, op_data->op_attr.ia_gid);
428 rec->sa_suppgid = op_data->op_suppgids[0];
430 rec->sa_bias = op_data->op_bias;
433 static void mdc_ioepoch_pack(struct mdt_ioepoch *epoch,
434 struct md_op_data *op_data)
436 epoch->mio_open_handle = op_data->op_open_handle;
437 epoch->mio_unused1 = 0;
438 epoch->mio_unused2 = 0;
439 epoch->mio_padding = 0;
442 void mdc_setattr_pack(struct req_capsule *pill, struct md_op_data *op_data,
443 void *ea, size_t ealen)
445 struct mdt_rec_setattr *rec;
446 struct lov_user_md *lum = NULL;
448 BUILD_BUG_ON(sizeof(struct mdt_rec_reint) !=
449 sizeof(struct mdt_rec_setattr));
450 rec = req_capsule_client_get(pill, &RMF_REC_REINT);
451 mdc_setattr_pack_rec(rec, op_data);
456 lum = req_capsule_client_get(pill, &RMF_EADATA);
457 if (ea == NULL) { /* Remove LOV EA */
458 lum->lmm_magic = cpu_to_le32(LOV_USER_MAGIC_V1);
459 lum->lmm_stripe_size = 0;
460 lum->lmm_stripe_count = 0;
461 lum->lmm_stripe_offset =
462 (typeof(lum->lmm_stripe_offset))LOV_OFFSET_DEFAULT;
464 memcpy(lum, ea, ealen);
468 void mdc_unlink_pack(struct req_capsule *pill, struct md_op_data *op_data)
470 struct mdt_rec_unlink *rec;
472 BUILD_BUG_ON(sizeof(struct mdt_rec_reint) !=
473 sizeof(struct mdt_rec_unlink));
474 rec = req_capsule_client_get(pill, &RMF_REC_REINT);
475 LASSERT(rec != NULL);
477 rec->ul_opcode = op_data->op_cli_flags & CLI_RM_ENTRY ?
478 REINT_RMENTRY : REINT_UNLINK;
479 rec->ul_fsuid = op_data->op_fsuid;
480 rec->ul_fsgid = op_data->op_fsgid;
481 rec->ul_cap = ll_capability_u32(op_data->op_cap);
482 rec->ul_mode = op_data->op_mode;
483 rec->ul_suppgid1 = op_data->op_suppgids[0];
484 rec->ul_suppgid2 = -1;
485 rec->ul_fid1 = op_data->op_fid1;
486 rec->ul_fid2 = op_data->op_fid2;
487 rec->ul_time = op_data->op_mod_time;
488 rec->ul_bias = op_data->op_bias;
490 mdc_pack_name(pill, &RMF_NAME, op_data->op_name, op_data->op_namelen);
492 /* pack SELinux policy info if any */
493 mdc_file_sepol_pack(pill);
496 void mdc_link_pack(struct req_capsule *pill, struct md_op_data *op_data)
498 struct mdt_rec_link *rec;
500 BUILD_BUG_ON(sizeof(struct mdt_rec_reint) !=
501 sizeof(struct mdt_rec_link));
502 rec = req_capsule_client_get(pill, &RMF_REC_REINT);
503 LASSERT(rec != NULL);
505 rec->lk_opcode = REINT_LINK;
506 rec->lk_fsuid = op_data->op_fsuid; /* current->fsuid; */
507 rec->lk_fsgid = op_data->op_fsgid; /* current->fsgid; */
508 rec->lk_cap = ll_capability_u32(op_data->op_cap);
509 rec->lk_suppgid1 = op_data->op_suppgids[0];
510 rec->lk_suppgid2 = op_data->op_suppgids[1];
511 rec->lk_fid1 = op_data->op_fid1;
512 rec->lk_fid2 = op_data->op_fid2;
513 rec->lk_time = op_data->op_mod_time;
514 rec->lk_bias = op_data->op_bias;
516 mdc_pack_name(pill, &RMF_NAME, op_data->op_name, op_data->op_namelen);
518 /* pack SELinux policy info if any */
519 mdc_file_sepol_pack(pill);
522 static void mdc_close_intent_pack(struct req_capsule *pill,
523 struct md_op_data *op_data)
525 struct close_data *data;
526 struct ldlm_lock *lock;
527 enum mds_op_bias bias = op_data->op_bias;
529 if (!(bias & (MDS_CLOSE_INTENT | MDS_CLOSE_MIGRATE)))
532 data = req_capsule_client_get(pill, &RMF_CLOSE_DATA);
533 LASSERT(data != NULL);
535 lock = ldlm_handle2lock(&op_data->op_lease_handle);
537 data->cd_handle = lock->l_remote_handle;
540 ldlm_cli_cancel(&op_data->op_lease_handle, LCF_LOCAL);
542 data->cd_data_version = op_data->op_data_version;
543 data->cd_fid = op_data->op_fid2;
545 if (bias & MDS_CLOSE_LAYOUT_SPLIT) {
546 data->cd_mirror_id = op_data->op_mirror_id;
547 } else if (bias & MDS_CLOSE_RESYNC_DONE) {
548 struct close_data_resync_done *sync = &data->cd_resync;
550 BUILD_BUG_ON(sizeof(data->cd_resync) >
551 sizeof(data->cd_reserved));
552 sync->resync_count = op_data->op_data_size / sizeof(__u32);
553 if (sync->resync_count <= INLINE_RESYNC_ARRAY_SIZE) {
554 memcpy(sync->resync_ids_inline, op_data->op_data,
555 op_data->op_data_size);
557 size_t count = sync->resync_count;
559 memcpy(req_capsule_client_get(pill, &RMF_U32),
560 op_data->op_data, count * sizeof(__u32));
562 } else if (bias & MDS_PCC_ATTACH) {
563 data->cd_archive_id = op_data->op_archive_id;
567 void mdc_rename_pack(struct req_capsule *pill, struct md_op_data *op_data,
568 const char *old, size_t oldlen,
569 const char *new, size_t newlen)
571 struct mdt_rec_rename *rec;
573 BUILD_BUG_ON(sizeof(struct mdt_rec_reint) !=
574 sizeof(struct mdt_rec_rename));
575 rec = req_capsule_client_get(pill, &RMF_REC_REINT);
577 /* XXX do something about time, uid, gid */
578 rec->rn_opcode = REINT_RENAME;
579 rec->rn_fsuid = op_data->op_fsuid;
580 rec->rn_fsgid = op_data->op_fsgid;
581 rec->rn_cap = ll_capability_u32(op_data->op_cap);
582 rec->rn_suppgid1 = op_data->op_suppgids[0];
583 rec->rn_suppgid2 = op_data->op_suppgids[1];
584 rec->rn_fid1 = op_data->op_fid1;
585 rec->rn_fid2 = op_data->op_fid2;
586 rec->rn_time = op_data->op_mod_time;
587 rec->rn_mode = op_data->op_mode;
588 rec->rn_bias = op_data->op_bias;
590 mdc_pack_name(pill, &RMF_NAME, old, oldlen);
593 mdc_pack_name(pill, &RMF_SYMTGT, new, newlen);
595 /* pack SELinux policy info if any */
596 mdc_file_sepol_pack(pill);
599 void mdc_migrate_pack(struct req_capsule *pill, struct md_op_data *op_data,
600 const char *name, size_t namelen)
602 struct mdt_rec_rename *rec;
605 BUILD_BUG_ON(sizeof(struct mdt_rec_reint) !=
606 sizeof(struct mdt_rec_rename));
607 rec = req_capsule_client_get(pill, &RMF_REC_REINT);
609 rec->rn_opcode = REINT_MIGRATE;
610 rec->rn_fsuid = op_data->op_fsuid;
611 rec->rn_fsgid = op_data->op_fsgid;
612 rec->rn_cap = ll_capability_u32(op_data->op_cap);
613 rec->rn_suppgid1 = op_data->op_suppgids[0];
614 rec->rn_suppgid2 = op_data->op_suppgids[1];
615 rec->rn_fid1 = op_data->op_fid1;
616 rec->rn_fid2 = op_data->op_fid4;
617 rec->rn_time = op_data->op_mod_time;
618 rec->rn_mode = op_data->op_mode;
619 rec->rn_bias = op_data->op_bias;
621 mdc_pack_name(pill, &RMF_NAME, name, namelen);
623 if (op_data->op_bias & MDS_CLOSE_MIGRATE) {
624 struct mdt_ioepoch *epoch;
626 mdc_close_intent_pack(pill, op_data);
627 epoch = req_capsule_client_get(pill, &RMF_MDT_EPOCH);
628 mdc_ioepoch_pack(epoch, op_data);
631 ea = req_capsule_client_get(pill, &RMF_EADATA);
632 memcpy(ea, op_data->op_data, op_data->op_data_size);
635 void mdc_getattr_pack(struct req_capsule *pill, __u64 valid, __u32 flags,
636 struct md_op_data *op_data, size_t ea_size)
638 struct mdt_body *b = req_capsule_client_get(pill, &RMF_MDT_BODY);
640 b->mbo_valid = valid;
641 if (op_data->op_bias & MDS_CROSS_REF)
642 b->mbo_valid |= OBD_MD_FLCROSSREF;
643 if (op_data->op_bias & MDS_FID_OP)
644 b->mbo_valid |= OBD_MD_NAMEHASH;
645 b->mbo_eadatasize = ea_size;
646 b->mbo_flags = flags;
647 __mdc_pack_body(b, op_data->op_suppgids[0]);
649 b->mbo_fid1 = op_data->op_fid1;
650 b->mbo_fid2 = op_data->op_fid2;
651 b->mbo_valid |= OBD_MD_FLID;
653 if (op_data->op_name != NULL)
654 mdc_pack_name(pill, &RMF_NAME, op_data->op_name,
655 op_data->op_namelen);
658 void mdc_close_pack(struct req_capsule *pill, struct md_op_data *op_data)
660 struct mdt_ioepoch *epoch;
661 struct mdt_rec_setattr *rec;
663 epoch = req_capsule_client_get(pill, &RMF_MDT_EPOCH);
664 rec = req_capsule_client_get(pill, &RMF_REC_REINT);
666 mdc_setattr_pack_rec(rec, op_data);
668 * The client will zero out local timestamps when losing the IBITS lock
669 * so any new RPC timestamps will update the client inode's timestamps.
670 * There was a defect on the server side which allowed the atime to be
671 * overwritten by a zeroed-out atime packed into the close RPC.
673 * Proactively clear the MDS_ATTR_ATIME flag in the RPC in this case
674 * to avoid zeroing the atime on old unpatched servers. See LU-8041.
676 if (rec->sa_atime == 0)
677 rec->sa_valid &= ~MDS_ATTR_ATIME;
679 mdc_ioepoch_pack(epoch, op_data);
680 mdc_close_intent_pack(pill, op_data);