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,
626 CERROR("Failed to uncreate objid "LPX64" subobj "
627 LPX64" on OST idx %d: rc = %d\n",
628 src_oa->o_id, req->rq_oi.oi_oa->o_id,
632 obd_free_memmd(exp, &set->set_oi->oi_md);
634 if (oti && set->set_cookies) {
635 oti->oti_logcookies = set->set_cookies;
636 if (!set->set_cookie_sent) {
637 oti_free_cookies(oti);
638 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
640 src_oa->o_valid |= OBD_MD_FLCOOKIE;
646 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
653 LASSERT(set->set_exp);
654 if (set->set_completes)
655 rc = create_done(set->set_exp, set, lsmp);
657 if (atomic_dec_and_test(&set->set_refcount))
663 int lov_update_create_set(struct lov_request_set *set,
664 struct lov_request *req, int rc)
666 struct obd_trans_info *oti = set->set_oti;
667 struct lov_stripe_md *lsm = set->set_oi->oi_md;
668 struct lov_oinfo *loi;
669 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
672 req->rq_stripe = set->set_success;
673 loi = lsm->lsm_oinfo[req->rq_stripe];
675 if (rc && lov->lov_tgts[req->rq_idx] &&
676 lov->lov_tgts[req->rq_idx]->ltd_active) {
677 CERROR("error creating fid "LPX64" sub-object"
678 " on OST idx %d/%d: rc = %d\n",
679 set->set_oi->oi_oa->o_id, req->rq_idx,
680 lsm->lsm_stripe_count, rc);
682 CERROR("obd_create returned invalid err %d\n", rc);
686 lov_update_set(set, req, rc);
690 loi->loi_id = req->rq_oi.oi_oa->o_id;
691 loi->loi_gr = req->rq_oi.oi_oa->o_gr;
692 loi->loi_ost_idx = req->rq_idx;
693 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
694 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
697 if (oti && set->set_cookies)
698 ++oti->oti_logcookies;
699 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
700 set->set_cookie_sent++;
705 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
706 struct lov_stripe_md **lsmp, struct obdo *src_oa,
707 struct obd_trans_info *oti,
708 struct lov_request_set **reqset)
710 struct lov_request_set *set;
714 OBD_ALLOC(set, sizeof(*set));
721 set->set_oi->oi_md = *lsmp;
722 set->set_oi->oi_oa = src_oa;
725 rc = qos_prep_create(exp, set);
726 /* qos_shrink_lsm() may have allocated a new lsm */
727 *lsmp = oinfo->oi_md;
729 lov_fini_create_set(set, lsmp);
735 static int common_attr_done(struct lov_request_set *set)
737 struct list_head *pos;
738 struct lov_request *req;
740 int rc = 0, attrset = 0;
743 LASSERT(set->set_oi != NULL);
745 if (set->set_oi->oi_oa == NULL)
748 if (!set->set_success)
753 GOTO(out, rc = -ENOMEM);
755 list_for_each (pos, &set->set_list) {
756 req = list_entry(pos, struct lov_request, rq_link);
758 if (!req->rq_complete || req->rq_rc)
760 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
762 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
763 req->rq_oi.oi_oa->o_valid,
764 set->set_oi->oi_md, req->rq_stripe, &attrset);
767 CERROR("No stripes had valid attrs\n");
770 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
771 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
779 static int brw_done(struct lov_request_set *set)
781 struct lov_stripe_md *lsm = set->set_oi->oi_md;
782 struct lov_oinfo *loi = NULL;
783 struct list_head *pos;
784 struct lov_request *req;
787 list_for_each (pos, &set->set_list) {
788 req = list_entry(pos, struct lov_request, rq_link);
790 if (!req->rq_complete || req->rq_rc)
793 loi = lsm->lsm_oinfo[req->rq_stripe];
795 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
796 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
802 int lov_fini_brw_set(struct lov_request_set *set)
809 LASSERT(set->set_exp);
810 if (set->set_completes) {
812 /* FIXME update qos data here */
814 if (atomic_dec_and_test(&set->set_refcount))
820 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
821 obd_count oa_bufs, struct brw_page *pga,
822 struct obd_trans_info *oti,
823 struct lov_request_set **reqset)
830 struct lov_request_set *set;
831 struct lov_obd *lov = &exp->exp_obd->u.lov;
832 int rc = 0, i, shift;
835 OBD_ALLOC(set, sizeof(*set));
843 set->set_oabufs = oa_bufs;
844 OBD_ALLOC(set->set_pga, oa_bufs * sizeof(*set->set_pga));
846 GOTO(out, rc = -ENOMEM);
848 OBD_ALLOC(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
850 GOTO(out, rc = -ENOMEM);
852 /* calculate the page count for each stripe */
853 for (i = 0; i < oa_bufs; i++) {
854 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
855 info[stripe].count++;
858 /* alloc and initialize lov request */
860 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
861 struct lov_oinfo *loi = NULL;
862 struct lov_request *req;
864 if (info[i].count == 0)
867 loi = oinfo->oi_md->lsm_oinfo[i];
868 if (!lov->lov_tgts[loi->loi_ost_idx] ||
869 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
870 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
871 GOTO(out, rc = -EIO);
874 OBD_ALLOC(req, sizeof(*req));
876 GOTO(out, rc = -ENOMEM);
878 OBDO_ALLOC(req->rq_oi.oi_oa);
879 if (req->rq_oi.oi_oa == NULL) {
880 OBD_FREE(req, sizeof(*req));
881 GOTO(out, rc = -ENOMEM);
885 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
886 sizeof(*req->rq_oi.oi_oa));
888 req->rq_oi.oi_oa->o_id = loi->loi_id;
889 req->rq_oi.oi_oa->o_stripe_idx = i;
891 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
892 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
893 if (req->rq_oi.oi_md == NULL) {
894 OBDO_FREE(req->rq_oi.oi_oa);
895 OBD_FREE(req, sizeof(*req));
896 GOTO(out, rc = -ENOMEM);
899 req->rq_idx = loi->loi_ost_idx;
902 /* XXX LOV STACKING */
903 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
904 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
905 req->rq_oabufs = info[i].count;
906 req->rq_pgaidx = shift;
907 shift += req->rq_oabufs;
909 /* remember the index for sort brw_page array */
910 info[i].index = req->rq_pgaidx;
912 req->rq_oi.oi_capa = oinfo->oi_capa;
914 lov_set_add_req(req, set);
917 GOTO(out, rc = -EIO);
919 /* rotate & sort the brw_page array */
920 for (i = 0; i < oa_bufs; i++) {
921 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
923 shift = info[stripe].index + info[stripe].off;
924 LASSERT(shift < oa_bufs);
925 set->set_pga[shift] = pga[i];
926 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
927 &set->set_pga[shift].off);
932 OBD_FREE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
937 lov_fini_brw_set(set);
942 int lov_fini_getattr_set(struct lov_request_set *set)
949 LASSERT(set->set_exp);
950 if (set->set_completes)
951 rc = common_attr_done(set);
953 if (atomic_dec_and_test(&set->set_refcount))
959 /* The callback for osc_getattr_async that finilizes a request info when a
960 * response is received. */
961 static int cb_getattr_update(void *cookie, int rc)
963 struct obd_info *oinfo = cookie;
964 struct lov_request *lovreq;
965 lovreq = container_of(oinfo, struct lov_request, rq_oi);
966 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
969 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
970 struct lov_request_set **reqset)
972 struct lov_request_set *set;
973 struct lov_obd *lov = &exp->exp_obd->u.lov;
977 OBD_ALLOC(set, sizeof(*set));
985 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
986 struct lov_oinfo *loi;
987 struct lov_request *req;
989 loi = oinfo->oi_md->lsm_oinfo[i];
990 if (!lov->lov_tgts[loi->loi_ost_idx] ||
991 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
992 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
996 OBD_ALLOC(req, sizeof(*req));
998 GOTO(out_set, rc = -ENOMEM);
1001 req->rq_idx = loi->loi_ost_idx;
1003 OBDO_ALLOC(req->rq_oi.oi_oa);
1004 if (req->rq_oi.oi_oa == NULL) {
1005 OBD_FREE(req, sizeof(*req));
1006 GOTO(out_set, rc = -ENOMEM);
1008 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1009 sizeof(*req->rq_oi.oi_oa));
1010 req->rq_oi.oi_oa->o_id = loi->loi_id;
1011 req->rq_oi.oi_cb_up = cb_getattr_update;
1012 req->rq_oi.oi_capa = oinfo->oi_capa;
1013 req->rq_rqset = set;
1015 lov_set_add_req(req, set);
1017 if (!set->set_count)
1018 GOTO(out_set, rc = -EIO);
1022 lov_fini_getattr_set(set);
1026 int lov_fini_destroy_set(struct lov_request_set *set)
1032 LASSERT(set->set_exp);
1033 if (set->set_completes) {
1034 /* FIXME update qos data here */
1037 if (atomic_dec_and_test(&set->set_refcount))
1038 lov_finish_set(set);
1043 int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
1044 struct obdo *src_oa, struct lov_stripe_md *lsm,
1045 struct obd_trans_info *oti,
1046 struct lov_request_set **reqset)
1048 struct lov_request_set *set;
1049 struct lov_obd *lov = &exp->exp_obd->u.lov;
1053 OBD_ALLOC(set, sizeof(*set));
1059 set->set_oi = oinfo;
1060 set->set_oi->oi_md = lsm;
1061 set->set_oi->oi_oa = src_oa;
1063 if (oti != NULL && src_oa->o_valid & OBD_MD_FLCOOKIE)
1064 set->set_cookies = oti->oti_logcookies;
1066 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1067 struct lov_oinfo *loi;
1068 struct lov_request *req;
1070 loi = lsm->lsm_oinfo[i];
1071 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1072 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1073 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1077 OBD_ALLOC(req, sizeof(*req));
1079 GOTO(out_set, rc = -ENOMEM);
1082 req->rq_idx = loi->loi_ost_idx;
1084 OBDO_ALLOC(req->rq_oi.oi_oa);
1085 if (req->rq_oi.oi_oa == NULL) {
1086 OBD_FREE(req, sizeof(*req));
1087 GOTO(out_set, rc = -ENOMEM);
1089 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1090 req->rq_oi.oi_oa->o_id = loi->loi_id;
1091 lov_set_add_req(req, set);
1093 if (!set->set_count)
1094 GOTO(out_set, rc = -EIO);
1098 lov_fini_destroy_set(set);
1102 int lov_fini_setattr_set(struct lov_request_set *set)
1109 LASSERT(set->set_exp);
1110 if (set->set_completes) {
1111 rc = common_attr_done(set);
1112 /* FIXME update qos data here */
1115 if (atomic_dec_and_test(&set->set_refcount))
1116 lov_finish_set(set);
1120 int lov_update_setattr_set(struct lov_request_set *set,
1121 struct lov_request *req, int rc)
1123 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1124 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1127 lov_update_set(set, req, rc);
1129 /* grace error on inactive ost */
1130 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1131 lov->lov_tgts[req->rq_idx]->ltd_active))
1135 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1136 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1137 req->rq_oi.oi_oa->o_ctime;
1138 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1139 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1140 req->rq_oi.oi_oa->o_mtime;
1141 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1142 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1143 req->rq_oi.oi_oa->o_atime;
1149 /* The callback for osc_setattr_async that finilizes a request info when a
1150 * response is received. */
1151 static int cb_setattr_update(void *cookie, int rc)
1153 struct obd_info *oinfo = cookie;
1154 struct lov_request *lovreq;
1155 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1156 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1159 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1160 struct obd_trans_info *oti,
1161 struct lov_request_set **reqset)
1163 struct lov_request_set *set;
1164 struct lov_obd *lov = &exp->exp_obd->u.lov;
1168 OBD_ALLOC(set, sizeof(*set));
1175 set->set_oi = oinfo;
1176 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1177 set->set_cookies = oti->oti_logcookies;
1179 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1180 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1181 struct lov_request *req;
1183 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1184 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1185 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1189 OBD_ALLOC(req, sizeof(*req));
1191 GOTO(out_set, rc = -ENOMEM);
1193 req->rq_idx = loi->loi_ost_idx;
1195 OBDO_ALLOC(req->rq_oi.oi_oa);
1196 if (req->rq_oi.oi_oa == NULL) {
1197 OBD_FREE(req, sizeof(*req));
1198 GOTO(out_set, rc = -ENOMEM);
1200 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1201 sizeof(*req->rq_oi.oi_oa));
1202 req->rq_oi.oi_oa->o_id = loi->loi_id;
1203 LASSERTF(!(req->rq_oi.oi_oa->o_valid & OBD_MD_FLGROUP) ||
1204 CHECK_MDS_GROUP(req->rq_oi.oi_oa->o_gr),
1205 "req->rq_oi.oi_oa->o_valid="LPX64" "
1206 "req->rq_oi.oi_oa->o_gr="LPU64"\n",
1207 req->rq_oi.oi_oa->o_valid, req->rq_oi.oi_oa->o_gr);
1208 req->rq_oi.oi_oa->o_stripe_idx = i;
1209 req->rq_oi.oi_cb_up = cb_setattr_update;
1210 req->rq_oi.oi_capa = oinfo->oi_capa;
1211 req->rq_rqset = set;
1213 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1214 int off = lov_stripe_offset(oinfo->oi_md,
1215 oinfo->oi_oa->o_size, i,
1216 &req->rq_oi.oi_oa->o_size);
1218 if (off < 0 && req->rq_oi.oi_oa->o_size)
1219 req->rq_oi.oi_oa->o_size--;
1221 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1222 i, req->rq_oi.oi_oa->o_size,
1223 oinfo->oi_oa->o_size);
1225 lov_set_add_req(req, set);
1227 if (!set->set_count)
1228 GOTO(out_set, rc = -EIO);
1232 lov_fini_setattr_set(set);
1236 int lov_fini_punch_set(struct lov_request_set *set)
1243 LASSERT(set->set_exp);
1244 if (set->set_completes) {
1246 /* FIXME update qos data here */
1247 if (set->set_success)
1248 rc = common_attr_done(set);
1251 if (atomic_dec_and_test(&set->set_refcount))
1252 lov_finish_set(set);
1257 int lov_update_punch_set(struct lov_request_set *set,
1258 struct lov_request *req, int rc)
1260 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1261 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1264 lov_update_set(set, req, rc);
1266 /* grace error on inactive ost */
1267 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1271 lov_stripe_lock(lsm);
1272 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1273 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1274 req->rq_oi.oi_oa->o_blocks;
1277 /* Do we need to update lvb_size here? It needn't because
1278 * it have been done in ll_truncate(). -jay */
1279 lov_stripe_unlock(lsm);
1285 /* The callback for osc_punch that finilizes a request info when a response
1287 static int cb_update_punch(void *cookie, int rc)
1289 struct obd_info *oinfo = cookie;
1290 struct lov_request *lovreq;
1291 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1292 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1295 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1296 struct obd_trans_info *oti,
1297 struct lov_request_set **reqset)
1299 struct lov_request_set *set;
1300 struct lov_obd *lov = &exp->exp_obd->u.lov;
1304 OBD_ALLOC(set, sizeof(*set));
1309 set->set_oi = oinfo;
1312 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1313 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1314 struct lov_request *req;
1317 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1318 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1319 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1323 if (!lov_stripe_intersects(oinfo->oi_md, i,
1324 oinfo->oi_policy.l_extent.start,
1325 oinfo->oi_policy.l_extent.end,
1329 OBD_ALLOC(req, sizeof(*req));
1331 GOTO(out_set, rc = -ENOMEM);
1333 req->rq_idx = loi->loi_ost_idx;
1335 OBDO_ALLOC(req->rq_oi.oi_oa);
1336 if (req->rq_oi.oi_oa == NULL) {
1337 OBD_FREE(req, sizeof(*req));
1338 GOTO(out_set, rc = -ENOMEM);
1340 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1341 sizeof(*req->rq_oi.oi_oa));
1342 req->rq_oi.oi_oa->o_id = loi->loi_id;
1343 req->rq_oi.oi_oa->o_gr = loi->loi_gr;
1344 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1346 req->rq_oi.oi_oa->o_stripe_idx = i;
1347 req->rq_oi.oi_cb_up = cb_update_punch;
1348 req->rq_rqset = set;
1350 req->rq_oi.oi_policy.l_extent.start = rs;
1351 req->rq_oi.oi_policy.l_extent.end = re;
1352 req->rq_oi.oi_policy.l_extent.gid = -1;
1354 req->rq_oi.oi_capa = oinfo->oi_capa;
1356 lov_set_add_req(req, set);
1358 if (!set->set_count)
1359 GOTO(out_set, rc = -EIO);
1363 lov_fini_punch_set(set);
1367 int lov_fini_sync_set(struct lov_request_set *set)
1374 LASSERT(set->set_exp);
1375 if (set->set_completes) {
1376 if (!set->set_success)
1378 /* FIXME update qos data here */
1381 if (atomic_dec_and_test(&set->set_refcount))
1382 lov_finish_set(set);
1387 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1388 struct obdo *src_oa, struct lov_stripe_md *lsm,
1389 obd_off start, obd_off end,
1390 struct lov_request_set **reqset)
1392 struct lov_request_set *set;
1393 struct lov_obd *lov = &exp->exp_obd->u.lov;
1397 OBD_ALLOC(set, sizeof(*set));
1403 set->set_oi = oinfo;
1404 set->set_oi->oi_md = lsm;
1405 set->set_oi->oi_oa = src_oa;
1407 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1408 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
1409 struct lov_request *req;
1412 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1413 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1414 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1418 if (!lov_stripe_intersects(lsm, i, start, end, &rs, &re))
1421 OBD_ALLOC(req, sizeof(*req));
1423 GOTO(out_set, rc = -ENOMEM);
1425 req->rq_idx = loi->loi_ost_idx;
1427 OBDO_ALLOC(req->rq_oi.oi_oa);
1428 if (req->rq_oi.oi_oa == NULL) {
1429 OBD_FREE(req, sizeof(*req));
1430 GOTO(out_set, rc = -ENOMEM);
1432 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1433 req->rq_oi.oi_oa->o_id = loi->loi_id;
1434 req->rq_oi.oi_oa->o_stripe_idx = i;
1436 req->rq_oi.oi_policy.l_extent.start = rs;
1437 req->rq_oi.oi_policy.l_extent.end = re;
1438 req->rq_oi.oi_policy.l_extent.gid = -1;
1439 req->rq_rqset = set;
1441 lov_set_add_req(req, set);
1443 if (!set->set_count)
1444 GOTO(out_set, rc = -EIO);
1448 lov_fini_sync_set(set);
1452 #define LOV_U64_MAX ((__u64)~0ULL)
1453 #define LOV_SUM_MAX(tot, add) \
1455 if ((tot) + (add) < (tot)) \
1456 (tot) = LOV_U64_MAX; \
1461 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1466 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov, 0);
1468 if (osfs->os_files != LOV_U64_MAX)
1469 do_div(osfs->os_files, expected_stripes);
1470 if (osfs->os_ffree != LOV_U64_MAX)
1471 do_div(osfs->os_ffree, expected_stripes);
1473 spin_lock(&obd->obd_osfs_lock);
1474 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1475 obd->obd_osfs_age = cfs_time_current_64();
1476 spin_unlock(&obd->obd_osfs_lock);
1483 int lov_fini_statfs_set(struct lov_request_set *set)
1491 if (set->set_completes) {
1492 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1496 if (atomic_dec_and_test(&set->set_refcount))
1497 lov_finish_set(set);
1502 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1505 int shift = 0, quit = 0;
1509 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1511 if (osfs->os_bsize != lov_sfs->os_bsize) {
1512 /* assume all block sizes are always powers of 2 */
1513 /* get the bits difference */
1514 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1515 for (shift = 0; shift <= 64; ++shift) {
1527 if (osfs->os_bsize < lov_sfs->os_bsize) {
1528 osfs->os_bsize = lov_sfs->os_bsize;
1530 osfs->os_bfree >>= shift;
1531 osfs->os_bavail >>= shift;
1532 osfs->os_blocks >>= shift;
1533 } else if (shift != 0) {
1534 lov_sfs->os_bfree >>= shift;
1535 lov_sfs->os_bavail >>= shift;
1536 lov_sfs->os_blocks >>= shift;
1539 /* Sandia requested that df (and so, statfs) only
1540 returned minimal available space on
1541 a single OST, so people would be able to
1542 write this much data guaranteed. */
1543 if (osfs->os_bavail > lov_sfs->os_bavail) {
1544 /* Presumably if new bavail is smaller,
1545 new bfree is bigger as well */
1546 osfs->os_bfree = lov_sfs->os_bfree;
1547 osfs->os_bavail = lov_sfs->os_bavail;
1550 osfs->os_bfree += lov_sfs->os_bfree;
1551 osfs->os_bavail += lov_sfs->os_bavail;
1553 osfs->os_blocks += lov_sfs->os_blocks;
1554 /* XXX not sure about this one - depends on policy.
1555 * - could be minimum if we always stripe on all OBDs
1556 * (but that would be wrong for any other policy,
1557 * if one of the OBDs has no more objects left)
1558 * - could be sum if we stripe whole objects
1559 * - could be average, just to give a nice number
1561 * To give a "reasonable" (if not wholly accurate)
1562 * number, we divide the total number of free objects
1563 * by expected stripe count (watch out for overflow).
1565 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1566 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1570 /* The callback for osc_statfs_async that finilizes a request info when a
1571 * response is received. */
1572 static int cb_statfs_update(void *cookie, int rc)
1574 struct obd_info *oinfo = cookie;
1575 struct lov_request *lovreq;
1576 struct obd_statfs *osfs, *lov_sfs;
1577 struct obd_device *obd;
1578 struct lov_obd *lov;
1582 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1583 lov = &lovreq->rq_rqset->set_obd->u.lov;
1584 obd = class_exp2obd(lov->lov_tgts[lovreq->rq_idx]->ltd_exp);
1586 osfs = lovreq->rq_rqset->set_oi->oi_osfs;
1587 lov_sfs = oinfo->oi_osfs;
1589 success = lovreq->rq_rqset->set_success;
1591 /* XXX: the same is done in lov_update_common_set, however
1592 lovset->set_exp is not initialized. */
1593 lov_update_set(lovreq->rq_rqset, lovreq, rc);
1595 if (rc && !(lov->lov_tgts[lovreq->rq_idx] &&
1596 lov->lov_tgts[lovreq->rq_idx]->ltd_active))
1601 spin_lock(&obd->obd_osfs_lock);
1602 memcpy(&obd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1603 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1604 obd->obd_osfs_age = cfs_time_current_64();
1605 spin_unlock(&obd->obd_osfs_lock);
1607 lov_update_statfs(osfs, lov_sfs, success);
1610 if (lovreq->rq_rqset->set_oi->oi_flags & OBD_STATFS_PTLRPCD &&
1611 lovreq->rq_rqset->set_count == lovreq->rq_rqset->set_completes) {
1612 lov_statfs_interpret(NULL, lovreq->rq_rqset,
1613 lovreq->rq_rqset->set_success !=
1614 lovreq->rq_rqset->set_count);
1615 qos_statfs_done(lov);
1621 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1622 struct lov_request_set **reqset)
1624 struct lov_request_set *set;
1625 struct lov_obd *lov = &obd->u.lov;
1629 OBD_ALLOC(set, sizeof(*set));
1635 set->set_oi = oinfo;
1637 /* We only get block data from the OBD */
1638 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1639 struct lov_request *req;
1641 if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active) {
1642 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1646 OBD_ALLOC(req, sizeof(*req));
1648 GOTO(out_set, rc = -ENOMEM);
1650 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1651 if (req->rq_oi.oi_osfs == NULL) {
1652 OBD_FREE(req, sizeof(*req));
1653 GOTO(out_set, rc = -ENOMEM);
1657 req->rq_oi.oi_cb_up = cb_statfs_update;
1658 req->rq_oi.oi_flags = oinfo->oi_flags;
1659 req->rq_rqset = set;
1661 lov_set_add_req(req, set);
1663 if (!set->set_count)
1664 GOTO(out_set, rc = -EIO);
1668 lov_fini_statfs_set(set);