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 (c) 2003, 2010, Oracle and/or its affiliates. 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.
37 #define DEBUG_SUBSYSTEM S_MDC
40 # include <liblustre.h>
42 #include <lustre_net.h>
43 #include <lustre/lustre_idl.h>
44 #include "mdc_internal.h"
47 /* some liblustre hackings here */
53 static void mdc_readdir_pack_18(struct ptlrpc_request *req, int offset,
54 __u64 pg_off, __u32 size, struct ll_fid *fid)
59 CLASSERT(sizeof(struct ll_fid) == sizeof(struct lu_fid));
60 CLASSERT(sizeof(struct mds_body) <= sizeof(struct mdt_body));
61 CLASSERT((int)offsetof(struct mds_body, max_cookiesize) ==
62 (int)offsetof(struct mdt_body, max_cookiesize));
65 b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*b));
66 b->fsuid = cfs_curproc_fsuid();
67 b->fsgid = cfs_curproc_fsgid();
68 b->capability = cfs_curproc_cap_pack();
70 b->size = pg_off; /* !! */
72 b->nlink = size; /* !! */
76 static void mdc_readdir_pack_20(struct ptlrpc_request *req, int offset,
77 __u64 pg_off, __u32 size, struct ll_fid *fid)
82 b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*b));
83 b->fsuid = cfs_curproc_fsuid();
84 b->fsgid = cfs_curproc_fsgid();
85 b->capability = cfs_curproc_cap_pack();
88 b->fid1 = *((struct lu_fid*)fid);
89 b->valid |= OBD_MD_FLID;
91 b->size = pg_off; /* !! */
93 b->nlink = size; /* !! */
94 b->mode = LUDA_FID | LUDA_TYPE;
98 void mdc_readdir_pack(struct ptlrpc_request *req, int offset,
99 __u64 pg_off, __u32 size, struct ll_fid *fid)
101 if (mdc_req_is_2_0_server(req))
102 mdc_readdir_pack_20(req, offset, pg_off, size, fid);
104 mdc_readdir_pack_18(req, offset, pg_off, size, fid);
107 static void mdc_pack_req_body_18(struct ptlrpc_request *req, int offset,
108 __u64 valid, struct ll_fid *fid, int ea_size,
111 struct mds_body *b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*b));
118 b->eadatasize = ea_size;
120 b->fsuid = cfs_curproc_fsuid();
121 b->fsgid = cfs_curproc_fsgid();
122 b->capability = cfs_curproc_cap_pack();
126 static void mdc_pack_req_body_20(struct ptlrpc_request *req, int offset,
127 __u64 valid, struct ll_fid *fid, int ea_size,
130 struct mdt_body *b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*b));
135 b->eadatasize = ea_size;
138 b->fid1 = *((struct lu_fid*)fid);
139 b->valid |= OBD_MD_FLID;
142 b->fsuid = cfs_curproc_fsuid();
143 b->fsgid = cfs_curproc_fsgid();
144 b->capability = cfs_curproc_cap_pack();
148 void mdc_pack_req_body(struct ptlrpc_request *req, int offset,
149 __u64 valid, struct ll_fid *fid, int ea_size,
152 if (mdc_req_is_2_0_server(req))
153 mdc_pack_req_body_20(req, offset, valid, fid, ea_size, flags);
155 mdc_pack_req_body_18(req, offset, valid, fid, ea_size, flags);
158 /* packing of MDS records */
159 static void mdc_create_pack_18(struct ptlrpc_request *req, int offset,
160 struct mdc_op_data *op_data, const void *data,
161 int datalen, __u32 mode, __u32 uid, __u32 gid,
162 cfs_cap_t cap_effective, __u64 rdev)
164 struct mds_rec_create *rec;
168 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
170 rec->cr_opcode = REINT_CREATE;
173 rec->cr_cap = cap_effective;
174 rec->cr_fid = op_data->fid1;
175 memset(&rec->cr_replayfid, 0, sizeof(rec->cr_replayfid));
178 rec->cr_time = op_data->mod_time;
179 rec->cr_suppgid = op_data->suppgids[0];
181 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, op_data->namelen + 1);
182 LOGL0(op_data->name, op_data->namelen, tmp);
185 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 2, datalen);
186 memcpy (tmp, data, datalen);
191 static void mdc_create_pack_20(struct ptlrpc_request *req, int offset,
192 struct mdc_op_data *op_data, const void *data,
193 int datalen, __u32 mode, __u32 uid, __u32 gid,
194 cfs_cap_t cap_effective, __u64 rdev)
196 struct mdt_rec_create *rec;
200 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
202 rec->cr_opcode = REINT_CREATE;
205 rec->cr_cap = cap_effective;
206 memcpy(&rec->cr_fid1, &op_data->fid1, sizeof(op_data->fid1));
207 memcpy(&rec->cr_fid2, &op_data->fid2, sizeof(op_data->fid2));
210 rec->cr_time = op_data->mod_time;
211 rec->cr_suppgid1 = op_data->suppgids[0];
213 /* offset + 1 == capa */
214 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 2, op_data->namelen + 1);
215 LOGL0(op_data->name, op_data->namelen, tmp);
218 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 3, datalen);
219 memcpy(tmp, data, datalen);
224 void mdc_create_pack(struct ptlrpc_request *req, int offset,
225 struct mdc_op_data *op_data, const void *data,
226 int datalen, __u32 mode, __u32 uid, __u32 gid,
227 cfs_cap_t cap_effective, __u64 rdev)
229 if (mdc_req_is_2_0_server(req))
230 mdc_create_pack_20(req, offset, op_data, data, datalen,
231 mode, uid, gid, cap_effective, rdev);
233 mdc_create_pack_18(req, offset, op_data, data, datalen,
234 mode, uid, gid, cap_effective, rdev);
237 static __u32 mds_pack_open_flags(__u32 flags, __u32 mode)
239 __u32 cr_flags = (flags & (FMODE_READ | FMODE_WRITE |
240 MDS_OPEN_DELAY_CREATE | MDS_OPEN_HAS_OBJS |
241 MDS_OPEN_OWNEROVERRIDE | MDS_OPEN_LOCK));
243 cr_flags |= MDS_OPEN_CREAT;
245 cr_flags |= MDS_OPEN_EXCL;
247 cr_flags |= MDS_OPEN_TRUNC;
248 if (flags & O_APPEND)
249 cr_flags |= MDS_OPEN_APPEND;
251 cr_flags |= MDS_OPEN_SYNC;
252 if (flags & O_DIRECTORY)
253 cr_flags |= MDS_OPEN_DIRECTORY;
254 if (mode & M_JOIN_FILE)
255 cr_flags |= MDS_OPEN_JOIN_FILE;
257 if (flags & FMODE_EXEC)
258 cr_flags |= MDS_FMODE_EXEC;
263 /* packing of MDS records */
264 static void mdc_join_pack_18(struct ptlrpc_request *req, int offset,
265 struct mdc_op_data *op_data, __u64 head_size)
267 struct mds_rec_join *rec;
270 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*rec));
271 LASSERT(rec != NULL);
272 rec->jr_fid = op_data->fid2;
273 rec->jr_headsize = head_size;
277 static void mdc_join_pack_20(struct ptlrpc_request *req, int offset,
278 struct mdc_op_data *op_data, __u64 head_size)
280 struct mdt_rec_join *rec;
283 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*rec));
284 LASSERT(rec != NULL);
285 memcpy(&rec->jr_fid, &op_data->fid2, sizeof(op_data->fid2));
286 rec->jr_headsize = head_size;
290 void mdc_join_pack(struct ptlrpc_request *req, int offset,
291 struct mdc_op_data *op_data, __u64 head_size)
293 if (mdc_req_is_2_0_server(req))
294 mdc_join_pack_20(req, offset, op_data, head_size);
296 mdc_join_pack_18(req, offset, op_data, head_size);
299 static void mdc_open_pack_18(struct ptlrpc_request *req, int offset,
300 struct mdc_op_data *op_data, __u32 mode, __u64 rdev,
301 __u32 flags, const void *lmm, int lmmlen)
303 struct mds_rec_create *rec;
307 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
309 /* XXX do something about time, uid, gid */
310 rec->cr_opcode = REINT_OPEN;
311 rec->cr_fsuid = cfs_curproc_fsuid();
312 rec->cr_fsgid = cfs_curproc_fsgid();
313 rec->cr_cap = cfs_curproc_cap_pack();
314 rec->cr_fid = op_data->fid1;
315 memset(&rec->cr_replayfid, 0, sizeof(rec->cr_replayfid));
317 rec->cr_flags = mds_pack_open_flags(flags, mode);
319 rec->cr_time = op_data->mod_time;
320 rec->cr_suppgid = op_data->suppgids[0];
323 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1,
324 op_data->namelen + 1);
325 LOGL0(op_data->name, op_data->namelen, tmp);
329 rec->cr_flags |= MDS_OPEN_HAS_EA;
331 /*XXX a hack for liblustre to set EA (LL_IOC_LOV_SETSTRIPE) */
332 rec->cr_replayfid = op_data->fid2;
334 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 2, lmmlen);
335 memcpy (tmp, lmm, lmmlen);
340 static void mdc_open_pack_20(struct ptlrpc_request *req, int offset,
341 struct mdc_op_data *op_data, __u32 mode, __u64 rdev,
342 __u32 flags, const void *lmm, int lmmlen)
344 struct mdt_rec_create *rec;
348 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
350 /* XXX do something about time, uid, gid */
351 rec->cr_opcode = REINT_OPEN;
352 rec->cr_fsuid = cfs_curproc_fsuid();
353 rec->cr_fsgid = cfs_curproc_fsgid();
354 rec->cr_cap = cfs_curproc_cap_pack();
355 memcpy(&rec->cr_fid1, &op_data->fid1, sizeof(op_data->fid1));
356 memcpy(&rec->cr_fid2, &op_data->fid2, sizeof(op_data->fid2));
358 rec->cr_flags = mds_pack_open_flags(flags, mode);
360 rec->cr_time = op_data->mod_time;
361 rec->cr_suppgid1 = op_data->suppgids[0];
362 rec->cr_suppgid2 = op_data->suppgids[1];
365 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 3,
366 op_data->namelen + 1);
367 CDEBUG(D_INFO, "offset=%d, src=%p(%d):%s, dst=%p\n",
368 offset, op_data->name, op_data->namelen,
371 LOGL0(op_data->name, op_data->namelen, tmp);
375 rec->cr_flags |= MDS_OPEN_HAS_EA;
377 /*XXX a hack for liblustre to set EA (LL_IOC_LOV_SETSTRIPE) */
378 memcpy(&rec->cr_fid2, &op_data->fid2, sizeof(op_data->fid2));
380 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 4, lmmlen);
381 memcpy(tmp, lmm, lmmlen);
386 void mdc_open_pack(struct ptlrpc_request *req, int offset,
387 struct mdc_op_data *op_data, __u32 mode, __u64 rdev,
388 __u32 flags, const void *lmm, int lmmlen)
390 if (mdc_req_is_2_0_server(req))
391 mdc_open_pack_20(req, offset, op_data, mode, rdev,
394 mdc_open_pack_18(req, offset, op_data, mode, rdev,
399 static inline __u64 attr_pack(unsigned int ia_valid) {
402 if (ia_valid & ATTR_MODE)
403 sa_valid |= MDS_ATTR_MODE;
404 if (ia_valid & ATTR_UID)
405 sa_valid |= MDS_ATTR_UID;
406 if (ia_valid & ATTR_GID)
407 sa_valid |= MDS_ATTR_GID;
408 if (ia_valid & ATTR_SIZE)
409 sa_valid |= MDS_ATTR_SIZE;
410 if (ia_valid & ATTR_ATIME)
411 sa_valid |= MDS_ATTR_ATIME;
412 if (ia_valid & ATTR_MTIME)
413 sa_valid |= MDS_ATTR_MTIME;
414 if (ia_valid & ATTR_CTIME)
415 sa_valid |= MDS_ATTR_CTIME;
416 if (ia_valid & ATTR_ATIME_SET)
417 sa_valid |= MDS_ATTR_ATIME_SET;
418 if (ia_valid & ATTR_MTIME_SET)
419 sa_valid |= MDS_ATTR_MTIME_SET;
420 if (ia_valid & ATTR_FORCE)
421 sa_valid |= MDS_ATTR_FORCE;
422 if (ia_valid & ATTR_ATTR_FLAG)
423 sa_valid |= MDS_ATTR_ATTR_FLAG;
424 if (ia_valid & ATTR_KILL_SUID)
425 sa_valid |= MDS_ATTR_KILL_SUID;
426 if (ia_valid & ATTR_KILL_SGID)
427 sa_valid |= MDS_ATTR_KILL_SGID;
428 if (ia_valid & ATTR_CTIME_SET)
429 sa_valid |= MDS_ATTR_CTIME_SET;
430 if (ia_valid & ATTR_FROM_OPEN)
431 sa_valid |= MDS_ATTR_FROM_OPEN;
432 if (ia_valid & MDS_OPEN_OWNEROVERRIDE)
433 /* NFSD hack (see bug 5781) */
434 sa_valid |= MDS_OPEN_OWNEROVERRIDE;
438 void mdc_setattr_pack_18(struct ptlrpc_request *req, int offset,
439 struct mdc_op_data *data, struct iattr *iattr, void *ea,
440 int ealen, void *ea2, int ea2len)
442 struct lov_user_md *lum = NULL;
443 struct mds_rec_setattr *rec = lustre_msg_buf(req->rq_reqmsg, offset,
447 rec->sa_opcode = REINT_SETATTR;
448 rec->sa_fsuid = cfs_curproc_fsuid();
449 rec->sa_fsgid = cfs_curproc_fsgid();
450 rec->sa_cap = cfs_curproc_cap_pack();
451 rec->sa_fid = data->fid1;
452 rec->sa_suppgid = -1;
455 rec->sa_valid = attr_pack(iattr->ia_valid);
456 rec->sa_mode = iattr->ia_mode;
457 rec->sa_uid = iattr->ia_uid;
458 rec->sa_gid = iattr->ia_gid;
459 rec->sa_size = iattr->ia_size;
460 rec->sa_atime = LTIME_S(iattr->ia_atime);
461 rec->sa_mtime = LTIME_S(iattr->ia_mtime);
462 rec->sa_ctime = LTIME_S(iattr->ia_ctime);
464 ((struct ll_iattr_struct *)iattr)->ia_attr_flags;
465 if ((iattr->ia_valid & ATTR_GID) && in_group_p(iattr->ia_gid))
466 rec->sa_suppgid = iattr->ia_gid;
468 rec->sa_suppgid = data->suppgids[0];
476 lum = lustre_msg_buf(req->rq_reqmsg, offset + 1, ealen);
477 if (ea == NULL) { /* Remove LOV EA */
478 lum->lmm_magic = LOV_USER_MAGIC_V1;
479 lum->lmm_stripe_size = 0;
480 lum->lmm_stripe_count = 0;
481 lum->lmm_stripe_offset = (typeof(lum->lmm_stripe_offset))(-1);
483 memcpy(lum, ea, ealen);
490 memcpy(lustre_msg_buf(req->rq_reqmsg, offset + 2, ea2len), ea2, ea2len);
495 static void mdc_setattr_pack_20(struct ptlrpc_request *req, int offset,
496 struct mdc_op_data *data, struct iattr *iattr,
497 void *ea, int ealen, void *ea2, int ea2len)
499 struct mdt_rec_setattr *rec = lustre_msg_buf(req->rq_reqmsg, offset,
501 struct lov_user_md *lum = NULL;
504 rec->sa_opcode = REINT_SETATTR;
505 rec->sa_fsuid = cfs_curproc_fsuid();
506 rec->sa_fsgid = cfs_curproc_fsgid();
507 rec->sa_cap = cfs_curproc_cap_pack();
508 memcpy(&rec->sa_fid, &data->fid1, sizeof(data->fid1));
509 rec->sa_suppgid = -1;
512 rec->sa_valid = attr_pack(iattr->ia_valid);
513 rec->sa_mode = iattr->ia_mode;
514 rec->sa_uid = iattr->ia_uid;
515 rec->sa_gid = iattr->ia_gid;
516 rec->sa_size = iattr->ia_size;
517 // rec->sa_blocks = iattr->ia_blocks;
518 rec->sa_atime = LTIME_S(iattr->ia_atime);
519 rec->sa_mtime = LTIME_S(iattr->ia_mtime);
520 rec->sa_ctime = LTIME_S(iattr->ia_ctime);
522 ((struct ll_iattr_struct *)iattr)->ia_attr_flags;
523 if ((iattr->ia_valid & ATTR_GID) && in_group_p(iattr->ia_gid))
524 rec->sa_suppgid = iattr->ia_gid;
526 rec->sa_suppgid = data->suppgids[0];
532 lum = lustre_msg_buf(req->rq_reqmsg, offset + 3, ealen);
533 if (ea == NULL) { /* Remove LOV EA */
534 lum->lmm_magic = LOV_USER_MAGIC_V1;
535 lum->lmm_stripe_size = 0;
536 lum->lmm_stripe_count = 0;
537 lum->lmm_stripe_offset = (typeof(lum->lmm_stripe_offset))(-1);
539 memcpy(lum, ea, ealen);
546 memcpy(lustre_msg_buf(req->rq_reqmsg, offset + 4, ea2len), ea2, ea2len);
550 void mdc_setattr_pack(struct ptlrpc_request *req, int offset,
551 struct mdc_op_data *data, struct iattr *iattr,
552 void *ea, int ealen, void *ea2, int ea2len)
554 if (mdc_req_is_2_0_server(req))
555 mdc_setattr_pack_20(req, offset, data, iattr,
556 ea, ealen, ea2, ea2len);
558 mdc_setattr_pack_18(req, offset, data, iattr,
559 ea, ealen, ea2, ea2len);
562 static void mdc_unlink_pack_18(struct ptlrpc_request *req, int offset,
563 struct mdc_op_data *data)
565 struct mds_rec_unlink *rec;
569 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
570 LASSERT (rec != NULL);
572 rec->ul_opcode = REINT_UNLINK;
573 rec->ul_fsuid = cfs_curproc_fsuid();
574 rec->ul_fsgid = cfs_curproc_fsgid();
575 rec->ul_cap = cfs_curproc_cap_pack();
576 rec->ul_mode = data->create_mode;
577 rec->ul_suppgid = data->suppgids[0];
578 rec->ul_fid1 = data->fid1;
579 rec->ul_fid2 = data->fid2;
580 rec->ul_time = data->mod_time;
582 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, data->namelen + 1);
583 LASSERT (tmp != NULL);
584 LOGL0(data->name, data->namelen, tmp);
588 static void mdc_unlink_pack_20(struct ptlrpc_request *req, int offset,
589 struct mdc_op_data *data)
591 struct mdt_rec_unlink *rec;
595 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
596 LASSERT (rec != NULL);
598 rec->ul_opcode = REINT_UNLINK;
599 rec->ul_fsuid = cfs_curproc_fsuid();
600 rec->ul_fsgid = cfs_curproc_fsgid();
601 rec->ul_cap = cfs_curproc_cap_pack();
602 rec->ul_mode = data->create_mode;
603 rec->ul_suppgid1= data->suppgids[0];
604 memcpy(&rec->ul_fid1, &data->fid1, sizeof(data->fid1));
605 memcpy(&rec->ul_fid2, &data->fid2, sizeof(data->fid2));
606 rec->ul_time = data->mod_time;
608 /* NULL capa is skipped. */
610 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 2, data->namelen + 1);
611 LASSERT (tmp != NULL);
612 LOGL0(data->name, data->namelen, tmp);
616 void mdc_unlink_pack(struct ptlrpc_request *req, int offset,
617 struct mdc_op_data *data)
619 if (mdc_req_is_2_0_server(req))
620 mdc_unlink_pack_20(req, offset, data);
622 mdc_unlink_pack_18(req, offset, data);
624 static void mdc_link_pack_18(struct ptlrpc_request *req, int offset,
625 struct mdc_op_data *data)
627 struct mds_rec_link *rec;
631 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
633 rec->lk_opcode = REINT_LINK;
634 rec->lk_fsuid = cfs_curproc_fsuid();
635 rec->lk_fsgid = cfs_curproc_fsgid();
636 rec->lk_cap = cfs_curproc_cap_pack();
637 rec->lk_suppgid1 = data->suppgids[0];
638 rec->lk_suppgid2 = data->suppgids[1];
639 rec->lk_fid1 = data->fid1;
640 rec->lk_fid2 = data->fid2;
641 rec->lk_time = data->mod_time;
643 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, data->namelen + 1);
644 LOGL0(data->name, data->namelen, tmp);
648 static void mdc_link_pack_20(struct ptlrpc_request *req, int offset,
649 struct mdc_op_data *data)
651 struct mdt_rec_link *rec;
655 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
657 rec->lk_opcode = REINT_LINK;
658 rec->lk_fsuid = cfs_curproc_fsuid();
659 rec->lk_fsgid = cfs_curproc_fsgid();
660 rec->lk_cap = cfs_curproc_cap_pack();
661 rec->lk_suppgid1 = data->suppgids[0];
662 rec->lk_suppgid2 = data->suppgids[1];
663 memcpy(&rec->lk_fid1, &data->fid1, sizeof(data->fid1));
664 memcpy(&rec->lk_fid2, &data->fid2, sizeof(data->fid2));
665 rec->lk_time = data->mod_time;
668 /* capa @ offset + 1; */
669 /* capa @ offset + 2; */
671 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 3, data->namelen + 1);
672 LOGL0(data->name, data->namelen, tmp);
676 void mdc_link_pack(struct ptlrpc_request *req, int offset,
677 struct mdc_op_data *data)
679 if (mdc_req_is_2_0_server(req))
680 mdc_link_pack_20(req, offset, data);
682 mdc_link_pack_18(req, offset, data);
685 static void mdc_rename_pack_18(struct ptlrpc_request *req, int offset,
686 struct mdc_op_data *data, const char *old,
687 int oldlen, const char *new, int newlen)
689 struct mds_rec_rename *rec;
693 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
695 /* XXX do something about time, uid, gid */
696 rec->rn_opcode = REINT_RENAME;
697 rec->rn_fsuid = cfs_curproc_fsuid();
698 rec->rn_fsgid = cfs_curproc_fsgid();
699 rec->rn_cap = cfs_curproc_cap_pack();
700 rec->rn_suppgid1 = data->suppgids[0];
701 rec->rn_suppgid2 = data->suppgids[1];
702 rec->rn_fid1 = data->fid1;
703 rec->rn_fid2 = data->fid2;
704 rec->rn_time = data->mod_time;
706 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1, oldlen + 1);
707 LOGL0(old, oldlen, tmp);
710 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 2, newlen + 1);
711 LOGL0(new, newlen, tmp);
716 static void mdc_rename_pack_20(struct ptlrpc_request *req, int offset,
717 struct mdc_op_data *data, const char *old,
718 int oldlen, const char *new, int newlen)
720 struct mdt_rec_rename *rec;
724 rec = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*rec));
726 /* XXX do something about time, uid, gid */
727 rec->rn_opcode = REINT_RENAME;
728 rec->rn_fsuid = cfs_curproc_fsuid();
729 rec->rn_fsgid = cfs_curproc_fsgid();
730 rec->rn_cap = cfs_curproc_cap_pack();
731 rec->rn_suppgid1 = data->suppgids[0];
732 rec->rn_suppgid2 = data->suppgids[1];
733 memcpy(&rec->rn_fid1, &data->fid1, sizeof(data->fid1));
734 memcpy(&rec->rn_fid2, &data->fid2, sizeof(data->fid2));
735 rec->rn_time = data->mod_time;
736 rec->rn_mode = data->create_mode;
739 /* skip capa @ offset + 1 */
740 /* skip capa @ offset + 2 */
742 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 3, oldlen + 1);
743 LOGL0(old, oldlen, tmp);
746 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 4, newlen + 1);
747 LOGL0(new, newlen, tmp);
752 void mdc_rename_pack(struct ptlrpc_request *req, int offset,
753 struct mdc_op_data *data, const char *old,
754 int oldlen, const char *new, int newlen)
756 if (mdc_req_is_2_0_server(req))
757 mdc_rename_pack_20(req, offset, data, old, oldlen, new, newlen);
759 mdc_rename_pack_18(req, offset, data, old, oldlen, new, newlen);
762 static void mdc_getattr_pack_18(struct ptlrpc_request *req, int offset,
763 __u64 valid, int flags,
764 struct mdc_op_data *data)
769 b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*b));
771 b->fsuid = cfs_curproc_fsuid();
772 b->fsgid = cfs_curproc_fsgid();
773 b->capability = cfs_curproc_cap_pack();
775 b->flags = flags | MDS_BFLAG_EXT_FLAGS;
776 /* skip MDS_BFLAG_EXT_FLAGS to verify the "client < 1.4.7" case
777 * refer to bug 12848.
779 if (OBD_FAIL_CHECK(OBD_FAIL_MDC_OLD_EXT_FLAGS))
780 b->flags &= ~MDS_BFLAG_EXT_FLAGS;
781 b->suppgid = data->suppgids[0];
783 b->fid1 = data->fid1;
784 b->fid2 = data->fid2;
787 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 1,
789 memcpy(tmp, data->name, data->namelen);
795 static void mdc_getattr_pack_20(struct ptlrpc_request *req, int offset,
796 __u64 valid, int flags,
797 struct mdc_op_data *data, int ea_size)
802 b = lustre_msg_buf(req->rq_reqmsg, offset, sizeof (*b));
804 b->fsuid = cfs_curproc_fsuid();
805 b->fsgid = cfs_curproc_fsgid();
806 b->capability = cfs_curproc_cap_pack();
808 b->eadatasize = ea_size;
809 b->flags = flags | MDS_BFLAG_EXT_FLAGS;
810 b->suppgid = data->suppgids[0];
812 memcpy(&b->fid1, &data->fid1, sizeof(data->fid1));
813 memcpy(&b->fid2, &data->fid2, sizeof(data->fid2));
814 b->valid |= OBD_MD_FLID;
817 tmp = lustre_msg_buf(req->rq_reqmsg, offset + 2,
820 LOGL0(data->name, data->namelen, tmp);
825 void mdc_getattr_pack(struct ptlrpc_request *req, int offset,
826 __u64 valid, int flags,
827 struct mdc_op_data *data, int ea_size)
829 if (mdc_req_is_2_0_server(req))
830 mdc_getattr_pack_20(req, offset, valid, flags, data, ea_size);
832 mdc_getattr_pack_18(req, offset, valid, flags, data);
834 static void mdc_close_pack_18(struct ptlrpc_request *req, int offset,
835 struct mdc_op_data *data,
836 struct obdo *oa, __u64 valid,
837 struct obd_client_handle *och)
839 struct mds_body *body;
842 body = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*body));
844 body->fid1 = data->fid1;
845 memcpy(&body->handle, &och->och_fh, sizeof(body->handle));
846 if (oa->o_valid & OBD_MD_FLATIME) {
847 body->atime = oa->o_atime;
848 body->valid |= OBD_MD_FLATIME;
850 if (oa->o_valid & OBD_MD_FLMTIME) {
851 body->mtime = oa->o_mtime;
852 body->valid |= OBD_MD_FLMTIME;
854 if (oa->o_valid & OBD_MD_FLCTIME) {
855 body->ctime = oa->o_ctime;
856 body->valid |= OBD_MD_FLCTIME;
858 if (oa->o_valid & OBD_MD_FLSIZE) {
859 body->size = oa->o_size;
860 body->valid |= OBD_MD_FLSIZE;
862 if (oa->o_valid & OBD_MD_FLBLOCKS) {
863 body->blocks = oa->o_blocks;
864 body->valid |= OBD_MD_FLBLOCKS;
866 if (oa->o_valid & OBD_MD_FLFLAGS) {
867 body->flags = oa->o_flags;
868 body->valid |= OBD_MD_FLFLAGS;
873 static void mdc_close_pack_20(struct ptlrpc_request *req, int offset,
874 struct mdc_op_data *data,
875 struct obdo *oa, __u64 valid,
876 struct obd_client_handle *och)
878 struct mdt_epoch *epoch;
879 struct mdt_rec_setattr *rec;
882 epoch = lustre_msg_buf(req->rq_reqmsg, offset, sizeof(*epoch));
883 rec = lustre_msg_buf(req->rq_reqmsg, offset + 1, sizeof(*rec));
885 rec->sa_opcode = REINT_SETATTR;
886 rec->sa_fsuid = cfs_curproc_fsuid();
887 rec->sa_fsgid = cfs_curproc_fsgid();
888 rec->sa_cap = cfs_curproc_cap_pack();
889 rec->sa_suppgid = -1;
891 memcpy(&rec->sa_fid, &data->fid1, sizeof(data->fid1));
893 if (oa->o_valid & OBD_MD_FLATIME) {
894 rec->sa_atime = oa->o_atime;
895 rec->sa_valid |= MDS_ATTR_ATIME;
897 if (oa->o_valid & OBD_MD_FLMTIME) {
898 rec->sa_mtime = oa->o_mtime;
899 rec->sa_valid |= MDS_ATTR_MTIME;
901 if (oa->o_valid & OBD_MD_FLCTIME) {
902 rec->sa_ctime = oa->o_ctime;
903 rec->sa_valid |= MDS_ATTR_CTIME;
905 if (oa->o_valid & OBD_MD_FLSIZE) {
906 rec->sa_size = oa->o_size;
907 rec->sa_valid |= MDS_ATTR_SIZE;
909 if (oa->o_valid & OBD_MD_FLBLOCKS) {
910 rec->sa_blocks = oa->o_blocks;
911 rec->sa_valid |= MDS_ATTR_BLOCKS;
913 if (oa->o_valid & OBD_MD_FLFLAGS) {
914 rec->sa_attr_flags = oa->o_flags;
915 rec->sa_valid |= MDS_ATTR_ATTR_FLAG;
918 epoch->handle = och->och_fh;
926 void mdc_close_pack(struct ptlrpc_request *req, int offset,
927 struct mdc_op_data *data,
928 struct obdo *oa, __u64 valid,
929 struct obd_client_handle *och)
931 if (mdc_req_is_2_0_server(req))
932 mdc_close_pack_20(req, offset, data, oa, valid, och);
934 mdc_close_pack_18(req, offset, data, oa, valid, och);
936 struct mdc_cache_waiter {
937 struct list_head mcw_entry;
938 wait_queue_head_t mcw_waitq;
941 static int mdc_req_avail(struct client_obd *cli, struct mdc_cache_waiter *mcw)
945 spin_lock(&cli->cl_loi_list_lock);
946 rc = list_empty(&mcw->mcw_entry);
947 spin_unlock(&cli->cl_loi_list_lock);
951 /* We record requests in flight in cli->cl_r_in_flight here.
952 * There is only one write rpc possible in mdc anyway. If this to change
953 * in the future - the code may need to be revisited. */
954 int mdc_enter_request(struct client_obd *cli)
957 struct mdc_cache_waiter mcw;
958 struct l_wait_info lwi = LWI_INTR(LWI_ON_SIGNAL_NOOP, NULL);
960 spin_lock(&cli->cl_loi_list_lock);
961 if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) {
962 list_add_tail(&mcw.mcw_entry, &cli->cl_cache_waiters);
963 init_waitqueue_head(&mcw.mcw_waitq);
964 spin_unlock(&cli->cl_loi_list_lock);
965 rc = l_wait_event(mcw.mcw_waitq, mdc_req_avail(cli, &mcw),
968 spin_lock(&cli->cl_loi_list_lock);
969 if (list_empty(&mcw.mcw_entry))
970 cli->cl_r_in_flight--;
971 list_del_init(&mcw.mcw_entry);
972 spin_unlock(&cli->cl_loi_list_lock);
975 cli->cl_r_in_flight++;
976 spin_unlock(&cli->cl_loi_list_lock);
981 void mdc_exit_request(struct client_obd *cli)
983 struct list_head *l, *tmp;
984 struct mdc_cache_waiter *mcw;
986 spin_lock(&cli->cl_loi_list_lock);
987 cli->cl_r_in_flight--;
989 list_for_each_safe(l, tmp, &cli->cl_cache_waiters) {
990 if (cli->cl_r_in_flight >= cli->cl_max_rpcs_in_flight) {
991 /* No free request slots anymore */
995 mcw = list_entry(l, struct mdc_cache_waiter, mcw_entry);
996 list_del_init(&mcw->mcw_entry);
997 cli->cl_r_in_flight++;
998 wake_up(&mcw->mcw_waitq);
1000 /* Empty waiting list? Decrease reqs in-flight number */
1002 spin_unlock(&cli->cl_loi_list_lock);