1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
38 # define EXPORT_SYMTAB
40 #define DEBUG_SUBSYSTEM S_LOV
43 #include <libcfs/libcfs.h>
45 #include <liblustre.h>
48 #include <obd_class.h>
50 #include <lustre/lustre_idl.h>
52 #include "lov_internal.h"
54 static void lov_init_set(struct lov_request_set *set)
57 set->set_completes = 0;
60 CFS_INIT_LIST_HEAD(&set->set_list);
61 atomic_set(&set->set_refcount, 1);
64 static void lov_finish_set(struct lov_request_set *set)
66 struct list_head *pos, *n;
70 list_for_each_safe(pos, n, &set->set_list) {
71 struct lov_request *req = list_entry(pos, struct lov_request,
73 list_del_init(&req->rq_link);
76 OBDO_FREE(req->rq_oi.oi_oa);
78 OBD_FREE(req->rq_oi.oi_md, req->rq_buflen);
79 if (req->rq_oi.oi_osfs)
80 OBD_FREE(req->rq_oi.oi_osfs,
81 sizeof(*req->rq_oi.oi_osfs));
82 OBD_FREE(req, sizeof(*req));
86 int len = set->set_oabufs * sizeof(*set->set_pga);
87 OBD_FREE(set->set_pga, len);
90 lov_llh_put(set->set_lockh);
92 OBD_FREE(set, sizeof(*set));
96 void lov_update_set(struct lov_request_set *set,
97 struct lov_request *req, int rc)
102 set->set_completes++;
107 int lov_update_common_set(struct lov_request_set *set,
108 struct lov_request *req, int rc)
110 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
113 lov_update_set(set, req, rc);
115 /* grace error on inactive ost */
116 if (rc && !(lov->lov_tgts[req->rq_idx] &&
117 lov->lov_tgts[req->rq_idx]->ltd_active))
120 /* FIXME in raid1 regime, should return 0 */
124 void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
126 list_add_tail(&req->rq_link, &set->set_list);
130 extern void osc_update_enqueue(struct lustre_handle *lov_lockhp,
131 struct lov_oinfo *loi, int flags,
132 struct ost_lvb *lvb, __u32 mode, int rc);
134 static int lov_update_enqueue_lov(struct obd_export *exp,
135 struct lustre_handle *lov_lockhp,
136 struct lov_oinfo *loi, int flags, int idx,
139 struct lov_obd *lov = &exp->exp_obd->u.lov;
141 if (rc != ELDLM_OK &&
142 !(rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT))) {
143 memset(lov_lockhp, 0, sizeof(*lov_lockhp));
144 if (lov->lov_tgts[idx] && lov->lov_tgts[idx]->ltd_active) {
145 /* -EUSERS used by OST to report file contention */
146 if (rc != -EINTR && rc != -EUSERS)
147 CERROR("enqueue objid "LPX64" subobj "
148 LPX64" on OST idx %d: rc %d\n",
149 oid, loi->loi_id, loi->loi_ost_idx, rc);
156 int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
158 struct lov_request_set *set = req->rq_rqset;
159 struct lustre_handle *lov_lockhp;
160 struct obd_info *oi = set->set_oi;
161 struct lov_oinfo *loi;
166 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
167 loi = oi->oi_md->lsm_oinfo[req->rq_stripe];
169 /* XXX LOV STACKING: OSC gets a copy, created in lov_prep_enqueue_set
170 * and that copy can be arbitrarily out of date.
172 * The LOV API is due for a serious rewriting anyways, and this
173 * can be addressed then. */
175 lov_stripe_lock(oi->oi_md);
176 osc_update_enqueue(lov_lockhp, loi, oi->oi_flags,
177 &req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb, mode, rc);
178 if (rc == ELDLM_LOCK_ABORTED && (oi->oi_flags & LDLM_FL_HAS_INTENT))
179 memset(lov_lockhp, 0, sizeof *lov_lockhp);
180 rc = lov_update_enqueue_lov(set->set_exp, lov_lockhp, loi, oi->oi_flags,
181 req->rq_idx, oi->oi_md->lsm_object_id, rc);
182 lov_stripe_unlock(oi->oi_md);
183 lov_update_set(set, req, rc);
187 /* The callback for osc_enqueue that updates lov info for every OSC request. */
188 static int cb_update_enqueue(void *cookie, int rc)
190 struct obd_info *oinfo = cookie;
191 struct ldlm_enqueue_info *einfo;
192 struct lov_request *lovreq;
194 lovreq = container_of(oinfo, struct lov_request, rq_oi);
195 einfo = lovreq->rq_rqset->set_ei;
196 return lov_update_enqueue_set(lovreq, einfo->ei_mode, rc);
199 static int enqueue_done(struct lov_request_set *set, __u32 mode)
201 struct lov_request *req;
202 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
206 /* enqueue/match success, just return */
207 if (set->set_completes && set->set_completes == set->set_success)
210 /* cancel enqueued/matched locks */
211 list_for_each_entry(req, &set->set_list, rq_link) {
212 struct lustre_handle *lov_lockhp;
214 if (!req->rq_complete || req->rq_rc)
217 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
219 if (!lustre_handle_is_used(lov_lockhp))
222 rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
223 req->rq_oi.oi_md, mode, lov_lockhp);
224 if (rc && lov->lov_tgts[req->rq_idx] &&
225 lov->lov_tgts[req->rq_idx]->ltd_active)
226 CERROR("cancelling obdjid "LPX64" on OST "
227 "idx %d error: rc = %d\n",
228 req->rq_oi.oi_md->lsm_object_id,
232 lov_llh_put(set->set_lockh);
236 int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
237 struct ptlrpc_request_set *rqset)
244 LASSERT(set->set_exp);
245 /* Do enqueue_done only for sync requests and if any request
249 set->set_completes = 0;
250 ret = enqueue_done(set, mode);
251 } else if (set->set_lockh)
252 lov_llh_put(set->set_lockh);
254 if (atomic_dec_and_test(&set->set_refcount))
257 RETURN(rc ? rc : ret);
260 int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
261 struct ldlm_enqueue_info *einfo,
262 struct lov_request_set **reqset)
264 struct lov_obd *lov = &exp->exp_obd->u.lov;
265 struct lov_request_set *set;
269 OBD_ALLOC(set, sizeof(*set));
277 set->set_lockh = lov_llh_new(oinfo->oi_md);
278 if (set->set_lockh == NULL)
279 GOTO(out_set, rc = -ENOMEM);
280 oinfo->oi_lockh->cookie = set->set_lockh->llh_handle.h_cookie;
282 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
283 struct lov_oinfo *loi;
284 struct lov_request *req;
287 loi = oinfo->oi_md->lsm_oinfo[i];
288 if (!lov_stripe_intersects(oinfo->oi_md, i,
289 oinfo->oi_policy.l_extent.start,
290 oinfo->oi_policy.l_extent.end,
294 if (!lov->lov_tgts[loi->loi_ost_idx] ||
295 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
296 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
300 OBD_ALLOC(req, sizeof(*req));
302 GOTO(out_set, rc = -ENOMEM);
304 req->rq_buflen = sizeof(*req->rq_oi.oi_md) +
305 sizeof(struct lov_oinfo *) +
306 sizeof(struct lov_oinfo);
307 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
308 if (req->rq_oi.oi_md == NULL) {
309 OBD_FREE(req, sizeof(*req));
310 GOTO(out_set, rc = -ENOMEM);
312 req->rq_oi.oi_md->lsm_oinfo[0] =
313 ((void *)req->rq_oi.oi_md) + sizeof(*req->rq_oi.oi_md) +
314 sizeof(struct lov_oinfo *);
318 /* Set lov request specific parameters. */
319 req->rq_oi.oi_lockh = set->set_lockh->llh_handles + i;
320 req->rq_oi.oi_cb_up = cb_update_enqueue;
321 req->rq_oi.oi_flags = oinfo->oi_flags;
323 LASSERT(req->rq_oi.oi_lockh);
325 req->rq_oi.oi_policy.l_extent.gid =
326 oinfo->oi_policy.l_extent.gid;
327 req->rq_oi.oi_policy.l_extent.start = start;
328 req->rq_oi.oi_policy.l_extent.end = end;
330 req->rq_idx = loi->loi_ost_idx;
333 /* XXX LOV STACKING: submd should be from the subobj */
334 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
335 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
336 req->rq_oi.oi_md->lsm_stripe_count = 0;
337 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms_valid =
339 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms = loi->loi_kms;
340 req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb = loi->loi_lvb;
342 lov_set_add_req(req, set);
345 GOTO(out_set, rc = -EIO);
349 lov_fini_enqueue_set(set, einfo->ei_mode, rc, NULL);
353 int lov_update_match_set(struct lov_request_set *set, struct lov_request *req,
363 lov_update_set(set, req, ret);
367 int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
374 LASSERT(set->set_exp);
375 rc = enqueue_done(set, mode);
376 if ((set->set_count == set->set_success) &&
377 (flags & LDLM_FL_TEST_LOCK))
378 lov_llh_put(set->set_lockh);
380 if (atomic_dec_and_test(&set->set_refcount))
386 int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
387 struct lov_stripe_md *lsm, ldlm_policy_data_t *policy,
388 __u32 mode, struct lustre_handle *lockh,
389 struct lov_request_set **reqset)
391 struct lov_obd *lov = &exp->exp_obd->u.lov;
392 struct lov_request_set *set;
396 OBD_ALLOC(set, sizeof(*set));
403 set->set_oi->oi_md = lsm;
404 set->set_lockh = lov_llh_new(lsm);
405 if (set->set_lockh == NULL)
406 GOTO(out_set, rc = -ENOMEM);
407 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
409 for (i = 0; i < lsm->lsm_stripe_count; i++){
410 struct lov_oinfo *loi;
411 struct lov_request *req;
414 loi = lsm->lsm_oinfo[i];
415 if (!lov_stripe_intersects(lsm, i, policy->l_extent.start,
416 policy->l_extent.end, &start, &end))
419 /* FIXME raid1 should grace this error */
420 if (!lov->lov_tgts[loi->loi_ost_idx] ||
421 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
422 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
423 GOTO(out_set, rc = -EIO);
426 OBD_ALLOC(req, sizeof(*req));
428 GOTO(out_set, rc = -ENOMEM);
430 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
431 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
432 if (req->rq_oi.oi_md == NULL) {
433 OBD_FREE(req, sizeof(*req));
434 GOTO(out_set, rc = -ENOMEM);
437 req->rq_oi.oi_policy.l_extent.start = start;
438 req->rq_oi.oi_policy.l_extent.end = end;
439 req->rq_oi.oi_policy.l_extent.gid = policy->l_extent.gid;
441 req->rq_idx = loi->loi_ost_idx;
444 /* XXX LOV STACKING: submd should be from the subobj */
445 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
446 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
447 req->rq_oi.oi_md->lsm_stripe_count = 0;
449 lov_set_add_req(req, set);
452 GOTO(out_set, rc = -EIO);
456 lov_fini_match_set(set, mode, 0);
460 int lov_fini_cancel_set(struct lov_request_set *set)
468 LASSERT(set->set_exp);
470 lov_llh_put(set->set_lockh);
472 if (atomic_dec_and_test(&set->set_refcount))
478 int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
479 struct lov_stripe_md *lsm, __u32 mode,
480 struct lustre_handle *lockh,
481 struct lov_request_set **reqset)
483 struct lov_request_set *set;
487 OBD_ALLOC(set, sizeof(*set));
494 set->set_oi->oi_md = lsm;
495 set->set_lockh = lov_handle2llh(lockh);
496 if (set->set_lockh == NULL) {
497 CERROR("LOV: invalid lov lock handle %p\n", lockh);
498 GOTO(out_set, rc = -EINVAL);
500 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
502 for (i = 0; i < lsm->lsm_stripe_count; i++){
503 struct lov_request *req;
504 struct lustre_handle *lov_lockhp;
505 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
507 lov_lockhp = set->set_lockh->llh_handles + i;
508 if (!lustre_handle_is_used(lov_lockhp)) {
509 CDEBUG(D_RPCTRACE,"lov idx %d subobj "LPX64" no lock\n",
510 loi->loi_ost_idx, loi->loi_id);
514 OBD_ALLOC(req, sizeof(*req));
516 GOTO(out_set, rc = -ENOMEM);
518 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
519 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
520 if (req->rq_oi.oi_md == NULL) {
521 OBD_FREE(req, sizeof(*req));
522 GOTO(out_set, rc = -ENOMEM);
525 req->rq_idx = loi->loi_ost_idx;
528 /* XXX LOV STACKING: submd should be from the subobj */
529 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
530 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
531 req->rq_oi.oi_md->lsm_stripe_count = 0;
533 lov_set_add_req(req, set);
536 GOTO(out_set, rc = -EIO);
540 lov_fini_cancel_set(set);
544 static int create_done(struct obd_export *exp, struct lov_request_set *set,
545 struct lov_stripe_md **lsmp)
547 struct lov_obd *lov = &exp->exp_obd->u.lov;
548 struct obd_trans_info *oti = set->set_oti;
549 struct obdo *src_oa = set->set_oi->oi_oa;
550 struct lov_request *req;
551 struct obdo *ret_oa = NULL;
552 int attrset = 0, rc = 0;
555 LASSERT(set->set_completes);
557 /* try alloc objects on other osts if osc_create fails for
558 * exceptions: RPC failure, ENOSPC, etc */
559 if (set->set_count != set->set_success) {
560 list_for_each_entry (req, &set->set_list, rq_link) {
564 set->set_completes--;
565 req->rq_complete = 0;
567 rc = qos_remedy_create(set, req);
568 lov_update_create_set(set, req, rc);
575 /* no successful creates */
576 if (set->set_success == 0)
579 /* If there was an explicit stripe set, fail. Otherwise, we
580 * got some objects and that's not bad. */
581 if (set->set_count != set->set_success) {
584 set->set_count = set->set_success;
590 GOTO(cleanup, rc = -ENOMEM);
592 list_for_each_entry(req, &set->set_list, rq_link) {
593 if (!req->rq_complete || req->rq_rc)
595 lov_merge_attrs(ret_oa, req->rq_oi.oi_oa,
596 req->rq_oi.oi_oa->o_valid, set->set_oi->oi_md,
597 req->rq_stripe, &attrset);
599 if (src_oa->o_valid & OBD_MD_FLSIZE &&
600 ret_oa->o_size != src_oa->o_size) {
601 CERROR("original size "LPU64" isn't new object size "LPU64"\n",
602 src_oa->o_size, ret_oa->o_size);
605 ret_oa->o_id = src_oa->o_id;
606 ret_oa->o_gr = src_oa->o_gr;
607 ret_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
608 memcpy(src_oa, ret_oa, sizeof(*src_oa));
611 *lsmp = set->set_oi->oi_md;
615 list_for_each_entry(req, &set->set_list, rq_link) {
616 struct obd_export *sub_exp;
619 if (!req->rq_complete || req->rq_rc)
622 sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
623 err = obd_destroy(sub_exp, req->rq_oi.oi_oa, NULL, oti, NULL);
625 CERROR("Failed to uncreate objid "LPX64" subobj "
626 LPX64" on OST idx %d: rc = %d\n",
627 src_oa->o_id, req->rq_oi.oi_oa->o_id,
631 obd_free_memmd(exp, &set->set_oi->oi_md);
633 if (oti && set->set_cookies) {
634 oti->oti_logcookies = set->set_cookies;
635 if (!set->set_cookie_sent) {
636 oti_free_cookies(oti);
637 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
639 src_oa->o_valid |= OBD_MD_FLCOOKIE;
645 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
652 LASSERT(set->set_exp);
653 if (set->set_completes)
654 rc = create_done(set->set_exp, set, lsmp);
656 if (atomic_dec_and_test(&set->set_refcount))
662 int lov_update_create_set(struct lov_request_set *set,
663 struct lov_request *req, int rc)
665 struct obd_trans_info *oti = set->set_oti;
666 struct lov_stripe_md *lsm = set->set_oi->oi_md;
667 struct lov_oinfo *loi;
668 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
671 req->rq_stripe = set->set_success;
672 loi = lsm->lsm_oinfo[req->rq_stripe];
674 if (rc && lov->lov_tgts[req->rq_idx] &&
675 lov->lov_tgts[req->rq_idx]->ltd_active) {
676 CERROR("error creating fid "LPX64" sub-object"
677 " on OST idx %d/%d: rc = %d\n",
678 set->set_oi->oi_oa->o_id, req->rq_idx,
679 lsm->lsm_stripe_count, rc);
681 CERROR("obd_create returned invalid err %d\n", rc);
685 lov_update_set(set, req, rc);
689 loi->loi_id = req->rq_oi.oi_oa->o_id;
690 loi->loi_gr = req->rq_oi.oi_oa->o_gr;
691 loi->loi_ost_idx = req->rq_idx;
692 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
693 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
696 if (oti && set->set_cookies)
697 ++oti->oti_logcookies;
698 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
699 set->set_cookie_sent++;
704 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
705 struct lov_stripe_md **lsmp, struct obdo *src_oa,
706 struct obd_trans_info *oti,
707 struct lov_request_set **reqset)
709 struct lov_request_set *set;
713 OBD_ALLOC(set, sizeof(*set));
720 set->set_oi->oi_md = *lsmp;
721 set->set_oi->oi_oa = src_oa;
724 rc = qos_prep_create(exp, set);
726 lov_fini_create_set(set, lsmp);
732 static int common_attr_done(struct lov_request_set *set)
734 struct list_head *pos;
735 struct lov_request *req;
737 int rc = 0, attrset = 0;
740 LASSERT(set->set_oi != NULL);
742 if (set->set_oi->oi_oa == NULL)
745 if (!set->set_success)
750 GOTO(out, rc = -ENOMEM);
752 list_for_each (pos, &set->set_list) {
753 req = list_entry(pos, struct lov_request, rq_link);
755 if (!req->rq_complete || req->rq_rc)
757 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
759 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
760 req->rq_oi.oi_oa->o_valid,
761 set->set_oi->oi_md, req->rq_stripe, &attrset);
764 CERROR("No stripes had valid attrs\n");
767 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
768 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
776 static int brw_done(struct lov_request_set *set)
778 struct lov_stripe_md *lsm = set->set_oi->oi_md;
779 struct lov_oinfo *loi = NULL;
780 struct list_head *pos;
781 struct lov_request *req;
784 list_for_each (pos, &set->set_list) {
785 req = list_entry(pos, struct lov_request, rq_link);
787 if (!req->rq_complete || req->rq_rc)
790 loi = lsm->lsm_oinfo[req->rq_stripe];
792 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
793 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
799 int lov_fini_brw_set(struct lov_request_set *set)
806 LASSERT(set->set_exp);
807 if (set->set_completes) {
809 /* FIXME update qos data here */
811 if (atomic_dec_and_test(&set->set_refcount))
817 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
818 obd_count oa_bufs, struct brw_page *pga,
819 struct obd_trans_info *oti,
820 struct lov_request_set **reqset)
827 struct lov_request_set *set;
828 struct lov_obd *lov = &exp->exp_obd->u.lov;
829 int rc = 0, i, shift;
832 OBD_ALLOC(set, sizeof(*set));
840 set->set_oabufs = oa_bufs;
841 OBD_ALLOC(set->set_pga, oa_bufs * sizeof(*set->set_pga));
843 GOTO(out, rc = -ENOMEM);
845 OBD_ALLOC(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
847 GOTO(out, rc = -ENOMEM);
849 /* calculate the page count for each stripe */
850 for (i = 0; i < oa_bufs; i++) {
851 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
852 info[stripe].count++;
855 /* alloc and initialize lov request */
857 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
858 struct lov_oinfo *loi = NULL;
859 struct lov_request *req;
861 if (info[i].count == 0)
864 loi = oinfo->oi_md->lsm_oinfo[i];
865 if (!lov->lov_tgts[loi->loi_ost_idx] ||
866 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
867 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
868 GOTO(out, rc = -EIO);
871 OBD_ALLOC(req, sizeof(*req));
873 GOTO(out, rc = -ENOMEM);
875 OBDO_ALLOC(req->rq_oi.oi_oa);
876 if (req->rq_oi.oi_oa == NULL) {
877 OBD_FREE(req, sizeof(*req));
878 GOTO(out, rc = -ENOMEM);
882 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
883 sizeof(*req->rq_oi.oi_oa));
885 req->rq_oi.oi_oa->o_id = loi->loi_id;
886 req->rq_oi.oi_oa->o_stripe_idx = i;
888 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
889 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
890 if (req->rq_oi.oi_md == NULL) {
891 OBDO_FREE(req->rq_oi.oi_oa);
892 OBD_FREE(req, sizeof(*req));
893 GOTO(out, rc = -ENOMEM);
896 req->rq_idx = loi->loi_ost_idx;
899 /* XXX LOV STACKING */
900 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
901 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
902 req->rq_oabufs = info[i].count;
903 req->rq_pgaidx = shift;
904 shift += req->rq_oabufs;
906 /* remember the index for sort brw_page array */
907 info[i].index = req->rq_pgaidx;
909 req->rq_oi.oi_capa = oinfo->oi_capa;
911 lov_set_add_req(req, set);
914 GOTO(out, rc = -EIO);
916 /* rotate & sort the brw_page array */
917 for (i = 0; i < oa_bufs; i++) {
918 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
920 shift = info[stripe].index + info[stripe].off;
921 LASSERT(shift < oa_bufs);
922 set->set_pga[shift] = pga[i];
923 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
924 &set->set_pga[shift].off);
929 OBD_FREE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
934 lov_fini_brw_set(set);
939 int lov_fini_getattr_set(struct lov_request_set *set)
946 LASSERT(set->set_exp);
947 if (set->set_completes)
948 rc = common_attr_done(set);
950 if (atomic_dec_and_test(&set->set_refcount))
956 /* The callback for osc_getattr_async that finilizes a request info when a
957 * response is recieved. */
958 static int cb_getattr_update(void *cookie, int rc)
960 struct obd_info *oinfo = cookie;
961 struct lov_request *lovreq;
962 lovreq = container_of(oinfo, struct lov_request, rq_oi);
963 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
966 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
967 struct lov_request_set **reqset)
969 struct lov_request_set *set;
970 struct lov_obd *lov = &exp->exp_obd->u.lov;
974 OBD_ALLOC(set, sizeof(*set));
982 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
983 struct lov_oinfo *loi;
984 struct lov_request *req;
986 loi = oinfo->oi_md->lsm_oinfo[i];
987 if (!lov->lov_tgts[loi->loi_ost_idx] ||
988 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
989 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
993 OBD_ALLOC(req, sizeof(*req));
995 GOTO(out_set, rc = -ENOMEM);
998 req->rq_idx = loi->loi_ost_idx;
1000 OBDO_ALLOC(req->rq_oi.oi_oa);
1001 if (req->rq_oi.oi_oa == NULL) {
1002 OBD_FREE(req, sizeof(*req));
1003 GOTO(out_set, rc = -ENOMEM);
1005 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1006 sizeof(*req->rq_oi.oi_oa));
1007 req->rq_oi.oi_oa->o_id = loi->loi_id;
1008 req->rq_oi.oi_cb_up = cb_getattr_update;
1009 req->rq_oi.oi_capa = oinfo->oi_capa;
1010 req->rq_rqset = set;
1012 lov_set_add_req(req, set);
1014 if (!set->set_count)
1015 GOTO(out_set, rc = -EIO);
1019 lov_fini_getattr_set(set);
1023 int lov_fini_destroy_set(struct lov_request_set *set)
1029 LASSERT(set->set_exp);
1030 if (set->set_completes) {
1031 /* FIXME update qos data here */
1034 if (atomic_dec_and_test(&set->set_refcount))
1035 lov_finish_set(set);
1040 int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
1041 struct obdo *src_oa, struct lov_stripe_md *lsm,
1042 struct obd_trans_info *oti,
1043 struct lov_request_set **reqset)
1045 struct lov_request_set *set;
1046 struct lov_obd *lov = &exp->exp_obd->u.lov;
1050 OBD_ALLOC(set, sizeof(*set));
1056 set->set_oi = oinfo;
1057 set->set_oi->oi_md = lsm;
1058 set->set_oi->oi_oa = src_oa;
1060 if (oti != NULL && src_oa->o_valid & OBD_MD_FLCOOKIE)
1061 set->set_cookies = oti->oti_logcookies;
1063 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1064 struct lov_oinfo *loi;
1065 struct lov_request *req;
1067 loi = lsm->lsm_oinfo[i];
1068 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1069 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1070 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1074 OBD_ALLOC(req, sizeof(*req));
1076 GOTO(out_set, rc = -ENOMEM);
1079 req->rq_idx = loi->loi_ost_idx;
1081 OBDO_ALLOC(req->rq_oi.oi_oa);
1082 if (req->rq_oi.oi_oa == NULL) {
1083 OBD_FREE(req, sizeof(*req));
1084 GOTO(out_set, rc = -ENOMEM);
1086 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1087 req->rq_oi.oi_oa->o_id = loi->loi_id;
1088 lov_set_add_req(req, set);
1090 if (!set->set_count)
1091 GOTO(out_set, rc = -EIO);
1095 lov_fini_destroy_set(set);
1099 int lov_fini_setattr_set(struct lov_request_set *set)
1106 LASSERT(set->set_exp);
1107 if (set->set_completes) {
1108 rc = common_attr_done(set);
1109 /* FIXME update qos data here */
1112 if (atomic_dec_and_test(&set->set_refcount))
1113 lov_finish_set(set);
1117 int lov_update_setattr_set(struct lov_request_set *set,
1118 struct lov_request *req, int rc)
1120 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1121 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1124 lov_update_set(set, req, rc);
1126 /* grace error on inactive ost */
1127 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1128 lov->lov_tgts[req->rq_idx]->ltd_active))
1132 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1133 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1134 req->rq_oi.oi_oa->o_ctime;
1135 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1136 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1137 req->rq_oi.oi_oa->o_mtime;
1138 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1139 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1140 req->rq_oi.oi_oa->o_atime;
1146 /* The callback for osc_setattr_async that finilizes a request info when a
1147 * response is recieved. */
1148 static int cb_setattr_update(void *cookie, int rc)
1150 struct obd_info *oinfo = cookie;
1151 struct lov_request *lovreq;
1152 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1153 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1156 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1157 struct obd_trans_info *oti,
1158 struct lov_request_set **reqset)
1160 struct lov_request_set *set;
1161 struct lov_obd *lov = &exp->exp_obd->u.lov;
1165 OBD_ALLOC(set, sizeof(*set));
1172 set->set_oi = oinfo;
1173 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1174 set->set_cookies = oti->oti_logcookies;
1176 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1177 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1178 struct lov_request *req;
1180 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1181 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1182 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1186 OBD_ALLOC(req, sizeof(*req));
1188 GOTO(out_set, rc = -ENOMEM);
1190 req->rq_idx = loi->loi_ost_idx;
1192 OBDO_ALLOC(req->rq_oi.oi_oa);
1193 if (req->rq_oi.oi_oa == NULL) {
1194 OBD_FREE(req, sizeof(*req));
1195 GOTO(out_set, rc = -ENOMEM);
1197 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1198 sizeof(*req->rq_oi.oi_oa));
1199 req->rq_oi.oi_oa->o_id = loi->loi_id;
1200 LASSERT(!(req->rq_oi.oi_oa->o_valid & OBD_MD_FLGROUP)
1201 || req->rq_oi.oi_oa->o_gr>0);
1202 req->rq_oi.oi_oa->o_stripe_idx = i;
1203 req->rq_oi.oi_cb_up = cb_setattr_update;
1204 req->rq_oi.oi_capa = oinfo->oi_capa;
1205 req->rq_rqset = set;
1207 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1208 int off = lov_stripe_offset(oinfo->oi_md,
1209 oinfo->oi_oa->o_size, i,
1210 &req->rq_oi.oi_oa->o_size);
1212 if (off < 0 && req->rq_oi.oi_oa->o_size)
1213 req->rq_oi.oi_oa->o_size--;
1215 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1216 i, req->rq_oi.oi_oa->o_size,
1217 oinfo->oi_oa->o_size);
1219 lov_set_add_req(req, set);
1221 if (!set->set_count)
1222 GOTO(out_set, rc = -EIO);
1226 lov_fini_setattr_set(set);
1230 int lov_fini_punch_set(struct lov_request_set *set)
1237 LASSERT(set->set_exp);
1238 if (set->set_completes) {
1240 /* FIXME update qos data here */
1241 if (set->set_success)
1242 rc = common_attr_done(set);
1245 if (atomic_dec_and_test(&set->set_refcount))
1246 lov_finish_set(set);
1251 int lov_update_punch_set(struct lov_request_set *set,
1252 struct lov_request *req, int rc)
1254 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1255 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1258 lov_update_set(set, req, rc);
1260 /* grace error on inactive ost */
1261 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1265 lov_stripe_lock(lsm);
1266 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1267 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1268 req->rq_oi.oi_oa->o_blocks;
1271 /* Do we need to update lvb_size here? It needn't because
1272 * it have been done in ll_truncate(). -jay */
1273 lov_stripe_unlock(lsm);
1279 /* The callback for osc_punch that finilizes a request info when a response
1281 static int cb_update_punch(void *cookie, int rc)
1283 struct obd_info *oinfo = cookie;
1284 struct lov_request *lovreq;
1285 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1286 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1289 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1290 struct obd_trans_info *oti,
1291 struct lov_request_set **reqset)
1293 struct lov_request_set *set;
1294 struct lov_obd *lov = &exp->exp_obd->u.lov;
1298 OBD_ALLOC(set, sizeof(*set));
1303 set->set_oi = oinfo;
1306 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1307 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1308 struct lov_request *req;
1311 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1312 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1313 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1317 if (!lov_stripe_intersects(oinfo->oi_md, i,
1318 oinfo->oi_policy.l_extent.start,
1319 oinfo->oi_policy.l_extent.end,
1323 OBD_ALLOC(req, sizeof(*req));
1325 GOTO(out_set, rc = -ENOMEM);
1327 req->rq_idx = loi->loi_ost_idx;
1329 OBDO_ALLOC(req->rq_oi.oi_oa);
1330 if (req->rq_oi.oi_oa == NULL) {
1331 OBD_FREE(req, sizeof(*req));
1332 GOTO(out_set, rc = -ENOMEM);
1334 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1335 sizeof(*req->rq_oi.oi_oa));
1336 req->rq_oi.oi_oa->o_id = loi->loi_id;
1337 req->rq_oi.oi_oa->o_gr = loi->loi_gr;
1338 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1340 req->rq_oi.oi_oa->o_stripe_idx = i;
1341 req->rq_oi.oi_cb_up = cb_update_punch;
1342 req->rq_rqset = set;
1344 req->rq_oi.oi_policy.l_extent.start = rs;
1345 req->rq_oi.oi_policy.l_extent.end = re;
1346 req->rq_oi.oi_policy.l_extent.gid = -1;
1348 req->rq_oi.oi_capa = oinfo->oi_capa;
1350 lov_set_add_req(req, set);
1352 if (!set->set_count)
1353 GOTO(out_set, rc = -EIO);
1357 lov_fini_punch_set(set);
1361 int lov_fini_sync_set(struct lov_request_set *set)
1368 LASSERT(set->set_exp);
1369 if (set->set_completes) {
1370 if (!set->set_success)
1372 /* FIXME update qos data here */
1375 if (atomic_dec_and_test(&set->set_refcount))
1376 lov_finish_set(set);
1381 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1382 struct obdo *src_oa, struct lov_stripe_md *lsm,
1383 obd_off start, obd_off end,
1384 struct lov_request_set **reqset)
1386 struct lov_request_set *set;
1387 struct lov_obd *lov = &exp->exp_obd->u.lov;
1391 OBD_ALLOC(set, sizeof(*set));
1397 set->set_oi = oinfo;
1398 set->set_oi->oi_md = lsm;
1399 set->set_oi->oi_oa = src_oa;
1401 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1402 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
1403 struct lov_request *req;
1406 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1407 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1408 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1412 if (!lov_stripe_intersects(lsm, i, start, end, &rs, &re))
1415 OBD_ALLOC(req, sizeof(*req));
1417 GOTO(out_set, rc = -ENOMEM);
1419 req->rq_idx = loi->loi_ost_idx;
1421 OBDO_ALLOC(req->rq_oi.oi_oa);
1422 if (req->rq_oi.oi_oa == NULL) {
1423 OBD_FREE(req, sizeof(*req));
1424 GOTO(out_set, rc = -ENOMEM);
1426 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1427 req->rq_oi.oi_oa->o_id = loi->loi_id;
1428 req->rq_oi.oi_oa->o_stripe_idx = i;
1430 req->rq_oi.oi_policy.l_extent.start = rs;
1431 req->rq_oi.oi_policy.l_extent.end = re;
1432 req->rq_oi.oi_policy.l_extent.gid = -1;
1434 lov_set_add_req(req, set);
1436 if (!set->set_count)
1437 GOTO(out_set, rc = -EIO);
1441 lov_fini_sync_set(set);
1445 #define LOV_U64_MAX ((__u64)~0ULL)
1446 #define LOV_SUM_MAX(tot, add) \
1448 if ((tot) + (add) < (tot)) \
1449 (tot) = LOV_U64_MAX; \
1454 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1459 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov, 0);
1461 if (osfs->os_files != LOV_U64_MAX)
1462 do_div(osfs->os_files, expected_stripes);
1463 if (osfs->os_ffree != LOV_U64_MAX)
1464 do_div(osfs->os_ffree, expected_stripes);
1466 spin_lock(&obd->obd_osfs_lock);
1467 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1468 obd->obd_osfs_age = cfs_time_current_64();
1469 spin_unlock(&obd->obd_osfs_lock);
1476 int lov_fini_statfs_set(struct lov_request_set *set)
1484 if (set->set_completes) {
1485 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1489 if (atomic_dec_and_test(&set->set_refcount))
1490 lov_finish_set(set);
1495 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1498 int shift = 0, quit = 0;
1502 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1504 if (osfs->os_bsize != lov_sfs->os_bsize) {
1505 /* assume all block sizes are always powers of 2 */
1506 /* get the bits difference */
1507 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1508 for (shift = 0; shift <= 64; ++shift) {
1520 if (osfs->os_bsize < lov_sfs->os_bsize) {
1521 osfs->os_bsize = lov_sfs->os_bsize;
1523 osfs->os_bfree >>= shift;
1524 osfs->os_bavail >>= shift;
1525 osfs->os_blocks >>= shift;
1526 } else if (shift != 0) {
1527 lov_sfs->os_bfree >>= shift;
1528 lov_sfs->os_bavail >>= shift;
1529 lov_sfs->os_blocks >>= shift;
1532 /* Sandia requested that df (and so, statfs) only
1533 returned minimal available space on
1534 a single OST, so people would be able to
1535 write this much data guaranteed. */
1536 if (osfs->os_bavail > lov_sfs->os_bavail) {
1537 /* Presumably if new bavail is smaller,
1538 new bfree is bigger as well */
1539 osfs->os_bfree = lov_sfs->os_bfree;
1540 osfs->os_bavail = lov_sfs->os_bavail;
1543 osfs->os_bfree += lov_sfs->os_bfree;
1544 osfs->os_bavail += lov_sfs->os_bavail;
1546 osfs->os_blocks += lov_sfs->os_blocks;
1547 /* XXX not sure about this one - depends on policy.
1548 * - could be minimum if we always stripe on all OBDs
1549 * (but that would be wrong for any other policy,
1550 * if one of the OBDs has no more objects left)
1551 * - could be sum if we stripe whole objects
1552 * - could be average, just to give a nice number
1554 * To give a "reasonable" (if not wholly accurate)
1555 * number, we divide the total number of free objects
1556 * by expected stripe count (watch out for overflow).
1558 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1559 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1563 /* The callback for osc_statfs_async that finilizes a request info when a
1564 * response is recieved. */
1565 static int cb_statfs_update(void *cookie, int rc)
1567 struct obd_info *oinfo = cookie;
1568 struct lov_request *lovreq;
1569 struct obd_statfs *osfs, *lov_sfs;
1570 struct obd_device *obd;
1571 struct lov_obd *lov;
1575 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1576 lov = &lovreq->rq_rqset->set_obd->u.lov;
1577 obd = class_exp2obd(lov->lov_tgts[lovreq->rq_idx]->ltd_exp);
1579 osfs = lovreq->rq_rqset->set_oi->oi_osfs;
1580 lov_sfs = oinfo->oi_osfs;
1582 success = lovreq->rq_rqset->set_success;
1584 /* XXX: the same is done in lov_update_common_set, however
1585 lovset->set_exp is not initialized. */
1586 lov_update_set(lovreq->rq_rqset, lovreq, rc);
1588 if (rc && !(lov->lov_tgts[lovreq->rq_idx] &&
1589 lov->lov_tgts[lovreq->rq_idx]->ltd_active))
1594 spin_lock(&obd->obd_osfs_lock);
1595 memcpy(&obd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1596 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1597 obd->obd_osfs_age = cfs_time_current_64();
1598 spin_unlock(&obd->obd_osfs_lock);
1600 lov_update_statfs(osfs, lov_sfs, success);
1606 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1607 struct lov_request_set **reqset)
1609 struct lov_request_set *set;
1610 struct lov_obd *lov = &obd->u.lov;
1614 OBD_ALLOC(set, sizeof(*set));
1620 set->set_oi = oinfo;
1622 /* We only get block data from the OBD */
1623 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1624 struct lov_request *req;
1626 if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active) {
1627 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1631 OBD_ALLOC(req, sizeof(*req));
1633 GOTO(out_set, rc = -ENOMEM);
1635 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1636 if (req->rq_oi.oi_osfs == NULL) {
1637 OBD_FREE(req, sizeof(*req));
1638 GOTO(out_set, rc = -ENOMEM);
1642 req->rq_oi.oi_cb_up = cb_statfs_update;
1643 req->rq_oi.oi_flags = oinfo->oi_flags;
1644 req->rq_rqset = set;
1646 lov_set_add_req(req, set);
1648 if (!set->set_count)
1649 GOTO(out_set, rc = -EIO);
1653 lov_fini_statfs_set(set);