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);
62 cfs_waitq_init(&set->set_waitq);
63 spin_lock_init(&set->set_lock);
66 static void lov_finish_set(struct lov_request_set *set)
68 struct list_head *pos, *n;
72 list_for_each_safe(pos, n, &set->set_list) {
73 struct lov_request *req = list_entry(pos, struct lov_request,
75 list_del_init(&req->rq_link);
78 OBDO_FREE(req->rq_oi.oi_oa);
80 OBD_FREE(req->rq_oi.oi_md, req->rq_buflen);
81 if (req->rq_oi.oi_osfs)
82 OBD_FREE(req->rq_oi.oi_osfs,
83 sizeof(*req->rq_oi.oi_osfs));
84 OBD_FREE(req, sizeof(*req));
88 int len = set->set_oabufs * sizeof(*set->set_pga);
89 OBD_FREE(set->set_pga, len);
92 lov_llh_put(set->set_lockh);
94 OBD_FREE(set, sizeof(*set));
98 int lov_finished_set(struct lov_request_set *set)
100 CDEBUG(D_INFO, "check set %d/%d\n", set->set_completes,
102 return set->set_completes == set->set_count;
106 void lov_update_set(struct lov_request_set *set,
107 struct lov_request *req, int rc)
109 req->rq_complete = 1;
112 set->set_completes++;
116 cfs_waitq_signal(&set->set_waitq);
119 int lov_update_common_set(struct lov_request_set *set,
120 struct lov_request *req, int rc)
122 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
125 lov_update_set(set, req, rc);
127 /* grace error on inactive ost */
128 if (rc && !(lov->lov_tgts[req->rq_idx] &&
129 lov->lov_tgts[req->rq_idx]->ltd_active))
132 /* FIXME in raid1 regime, should return 0 */
136 void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
138 list_add_tail(&req->rq_link, &set->set_list);
143 extern void osc_update_enqueue(struct lustre_handle *lov_lockhp,
144 struct lov_oinfo *loi, int flags,
145 struct ost_lvb *lvb, __u32 mode, int rc);
147 static int lov_update_enqueue_lov(struct obd_export *exp,
148 struct lustre_handle *lov_lockhp,
149 struct lov_oinfo *loi, int flags, int idx,
152 struct lov_obd *lov = &exp->exp_obd->u.lov;
154 if (rc != ELDLM_OK &&
155 !(rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT))) {
156 memset(lov_lockhp, 0, sizeof(*lov_lockhp));
157 if (lov->lov_tgts[idx] && lov->lov_tgts[idx]->ltd_active) {
158 /* -EUSERS used by OST to report file contention */
159 if (rc != -EINTR && rc != -EUSERS)
160 CERROR("enqueue objid "LPX64" subobj "
161 LPX64" on OST idx %d: rc %d\n",
162 oid, loi->loi_id, loi->loi_ost_idx, rc);
169 int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
171 struct lov_request_set *set = req->rq_rqset;
172 struct lustre_handle *lov_lockhp;
173 struct obd_info *oi = set->set_oi;
174 struct lov_oinfo *loi;
179 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
180 loi = oi->oi_md->lsm_oinfo[req->rq_stripe];
182 /* XXX LOV STACKING: OSC gets a copy, created in lov_prep_enqueue_set
183 * and that copy can be arbitrarily out of date.
185 * The LOV API is due for a serious rewriting anyways, and this
186 * can be addressed then. */
188 lov_stripe_lock(oi->oi_md);
189 osc_update_enqueue(lov_lockhp, loi, oi->oi_flags,
190 &req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb, mode, rc);
191 if (rc == ELDLM_LOCK_ABORTED && (oi->oi_flags & LDLM_FL_HAS_INTENT))
192 memset(lov_lockhp, 0, sizeof *lov_lockhp);
193 rc = lov_update_enqueue_lov(set->set_exp, lov_lockhp, loi, oi->oi_flags,
194 req->rq_idx, oi->oi_md->lsm_object_id, rc);
195 lov_stripe_unlock(oi->oi_md);
196 lov_update_set(set, req, rc);
200 /* The callback for osc_enqueue that updates lov info for every OSC request. */
201 static int cb_update_enqueue(void *cookie, int rc)
203 struct obd_info *oinfo = cookie;
204 struct ldlm_enqueue_info *einfo;
205 struct lov_request *lovreq;
207 lovreq = container_of(oinfo, struct lov_request, rq_oi);
208 einfo = lovreq->rq_rqset->set_ei;
209 return lov_update_enqueue_set(lovreq, einfo->ei_mode, rc);
212 static int enqueue_done(struct lov_request_set *set, __u32 mode)
214 struct lov_request *req;
215 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
219 /* enqueue/match success, just return */
220 if (set->set_completes && set->set_completes == set->set_success)
223 /* cancel enqueued/matched locks */
224 list_for_each_entry(req, &set->set_list, rq_link) {
225 struct lustre_handle *lov_lockhp;
227 if (!req->rq_complete || req->rq_rc)
230 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
232 if (!lustre_handle_is_used(lov_lockhp))
235 rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
236 req->rq_oi.oi_md, mode, lov_lockhp);
237 if (rc && lov->lov_tgts[req->rq_idx] &&
238 lov->lov_tgts[req->rq_idx]->ltd_active)
239 CERROR("cancelling obdjid "LPX64" on OST "
240 "idx %d error: rc = %d\n",
241 req->rq_oi.oi_md->lsm_object_id,
245 lov_llh_put(set->set_lockh);
249 int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
250 struct ptlrpc_request_set *rqset)
257 LASSERT(set->set_exp);
258 /* Do enqueue_done only for sync requests and if any request
262 set->set_completes = 0;
263 ret = enqueue_done(set, mode);
264 } else if (set->set_lockh)
265 lov_llh_put(set->set_lockh);
267 if (atomic_dec_and_test(&set->set_refcount))
270 RETURN(rc ? rc : ret);
273 int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
274 struct ldlm_enqueue_info *einfo,
275 struct lov_request_set **reqset)
277 struct lov_obd *lov = &exp->exp_obd->u.lov;
278 struct lov_request_set *set;
282 OBD_ALLOC(set, sizeof(*set));
290 set->set_lockh = lov_llh_new(oinfo->oi_md);
291 if (set->set_lockh == NULL)
292 GOTO(out_set, rc = -ENOMEM);
293 oinfo->oi_lockh->cookie = set->set_lockh->llh_handle.h_cookie;
295 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
296 struct lov_oinfo *loi;
297 struct lov_request *req;
300 loi = oinfo->oi_md->lsm_oinfo[i];
301 if (!lov_stripe_intersects(oinfo->oi_md, i,
302 oinfo->oi_policy.l_extent.start,
303 oinfo->oi_policy.l_extent.end,
307 if (!lov->lov_tgts[loi->loi_ost_idx] ||
308 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
309 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
313 OBD_ALLOC(req, sizeof(*req));
315 GOTO(out_set, rc = -ENOMEM);
317 req->rq_buflen = sizeof(*req->rq_oi.oi_md) +
318 sizeof(struct lov_oinfo *) +
319 sizeof(struct lov_oinfo);
320 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
321 if (req->rq_oi.oi_md == NULL) {
322 OBD_FREE(req, sizeof(*req));
323 GOTO(out_set, rc = -ENOMEM);
325 req->rq_oi.oi_md->lsm_oinfo[0] =
326 ((void *)req->rq_oi.oi_md) + sizeof(*req->rq_oi.oi_md) +
327 sizeof(struct lov_oinfo *);
329 /* Set lov request specific parameters. */
330 req->rq_oi.oi_lockh = set->set_lockh->llh_handles + i;
331 req->rq_oi.oi_cb_up = cb_update_enqueue;
332 req->rq_oi.oi_flags = oinfo->oi_flags;
334 LASSERT(req->rq_oi.oi_lockh);
336 req->rq_oi.oi_policy.l_extent.gid =
337 oinfo->oi_policy.l_extent.gid;
338 req->rq_oi.oi_policy.l_extent.start = start;
339 req->rq_oi.oi_policy.l_extent.end = end;
341 req->rq_idx = loi->loi_ost_idx;
344 /* XXX LOV STACKING: submd should be from the subobj */
345 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
346 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
347 req->rq_oi.oi_md->lsm_stripe_count = 0;
348 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms_valid =
350 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms = loi->loi_kms;
351 req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb = loi->loi_lvb;
353 lov_set_add_req(req, set);
356 GOTO(out_set, rc = -EIO);
360 lov_fini_enqueue_set(set, einfo->ei_mode, rc, NULL);
364 int lov_update_match_set(struct lov_request_set *set, struct lov_request *req,
374 lov_update_set(set, req, ret);
378 int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
385 LASSERT(set->set_exp);
386 rc = enqueue_done(set, mode);
387 if ((set->set_count == set->set_success) &&
388 (flags & LDLM_FL_TEST_LOCK))
389 lov_llh_put(set->set_lockh);
391 if (atomic_dec_and_test(&set->set_refcount))
397 int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
398 struct lov_stripe_md *lsm, ldlm_policy_data_t *policy,
399 __u32 mode, struct lustre_handle *lockh,
400 struct lov_request_set **reqset)
402 struct lov_obd *lov = &exp->exp_obd->u.lov;
403 struct lov_request_set *set;
407 OBD_ALLOC(set, sizeof(*set));
414 set->set_oi->oi_md = lsm;
415 set->set_lockh = lov_llh_new(lsm);
416 if (set->set_lockh == NULL)
417 GOTO(out_set, rc = -ENOMEM);
418 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
420 for (i = 0; i < lsm->lsm_stripe_count; i++){
421 struct lov_oinfo *loi;
422 struct lov_request *req;
425 loi = lsm->lsm_oinfo[i];
426 if (!lov_stripe_intersects(lsm, i, policy->l_extent.start,
427 policy->l_extent.end, &start, &end))
430 /* FIXME raid1 should grace this error */
431 if (!lov->lov_tgts[loi->loi_ost_idx] ||
432 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
433 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
434 GOTO(out_set, rc = -EIO);
437 OBD_ALLOC(req, sizeof(*req));
439 GOTO(out_set, rc = -ENOMEM);
441 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
442 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
443 if (req->rq_oi.oi_md == NULL) {
444 OBD_FREE(req, sizeof(*req));
445 GOTO(out_set, rc = -ENOMEM);
448 req->rq_oi.oi_policy.l_extent.start = start;
449 req->rq_oi.oi_policy.l_extent.end = end;
450 req->rq_oi.oi_policy.l_extent.gid = policy->l_extent.gid;
452 req->rq_idx = loi->loi_ost_idx;
455 /* XXX LOV STACKING: submd should be from the subobj */
456 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
457 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
458 req->rq_oi.oi_md->lsm_stripe_count = 0;
460 lov_set_add_req(req, set);
463 GOTO(out_set, rc = -EIO);
467 lov_fini_match_set(set, mode, 0);
471 int lov_fini_cancel_set(struct lov_request_set *set)
479 LASSERT(set->set_exp);
481 lov_llh_put(set->set_lockh);
483 if (atomic_dec_and_test(&set->set_refcount))
489 int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
490 struct lov_stripe_md *lsm, __u32 mode,
491 struct lustre_handle *lockh,
492 struct lov_request_set **reqset)
494 struct lov_request_set *set;
498 OBD_ALLOC(set, sizeof(*set));
505 set->set_oi->oi_md = lsm;
506 set->set_lockh = lov_handle2llh(lockh);
507 if (set->set_lockh == NULL) {
508 CERROR("LOV: invalid lov lock handle %p\n", lockh);
509 GOTO(out_set, rc = -EINVAL);
511 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
513 for (i = 0; i < lsm->lsm_stripe_count; i++){
514 struct lov_request *req;
515 struct lustre_handle *lov_lockhp;
516 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
518 lov_lockhp = set->set_lockh->llh_handles + i;
519 if (!lustre_handle_is_used(lov_lockhp)) {
520 CDEBUG(D_RPCTRACE,"lov idx %d subobj "LPX64" no lock\n",
521 loi->loi_ost_idx, loi->loi_id);
525 OBD_ALLOC(req, sizeof(*req));
527 GOTO(out_set, rc = -ENOMEM);
529 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
530 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
531 if (req->rq_oi.oi_md == NULL) {
532 OBD_FREE(req, sizeof(*req));
533 GOTO(out_set, rc = -ENOMEM);
536 req->rq_idx = loi->loi_ost_idx;
539 /* XXX LOV STACKING: submd should be from the subobj */
540 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
541 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
542 req->rq_oi.oi_md->lsm_stripe_count = 0;
544 lov_set_add_req(req, set);
547 GOTO(out_set, rc = -EIO);
551 lov_fini_cancel_set(set);
555 static int create_done(struct obd_export *exp, struct lov_request_set *set,
556 struct lov_stripe_md **lsmp)
558 struct lov_obd *lov = &exp->exp_obd->u.lov;
559 struct obd_trans_info *oti = set->set_oti;
560 struct obdo *src_oa = set->set_oi->oi_oa;
561 struct lov_request *req;
562 struct obdo *ret_oa = NULL;
563 int attrset = 0, rc = 0;
566 LASSERT(set->set_completes);
568 /* try alloc objects on other osts if osc_create fails for
569 * exceptions: RPC failure, ENOSPC, etc */
570 if (set->set_count != set->set_success) {
571 list_for_each_entry (req, &set->set_list, rq_link) {
575 set->set_completes--;
576 req->rq_complete = 0;
578 rc = qos_remedy_create(set, req);
579 lov_update_create_set(set, req, rc);
583 /* no successful creates */
584 if (set->set_success == 0)
587 if (set->set_count != set->set_success) {
588 set->set_count = set->set_success;
594 GOTO(cleanup, rc = -ENOMEM);
596 list_for_each_entry(req, &set->set_list, rq_link) {
597 if (!req->rq_complete || req->rq_rc)
599 lov_merge_attrs(ret_oa, req->rq_oi.oi_oa,
600 req->rq_oi.oi_oa->o_valid, set->set_oi->oi_md,
601 req->rq_stripe, &attrset);
603 if (src_oa->o_valid & OBD_MD_FLSIZE &&
604 ret_oa->o_size != src_oa->o_size) {
605 CERROR("original size "LPU64" isn't new object size "LPU64"\n",
606 src_oa->o_size, ret_oa->o_size);
609 ret_oa->o_id = src_oa->o_id;
610 ret_oa->o_gr = src_oa->o_gr;
611 ret_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
612 memcpy(src_oa, ret_oa, sizeof(*src_oa));
615 *lsmp = set->set_oi->oi_md;
619 list_for_each_entry(req, &set->set_list, rq_link) {
620 struct obd_export *sub_exp;
623 if (!req->rq_complete || req->rq_rc)
626 sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
627 err = obd_destroy(sub_exp, req->rq_oi.oi_oa, NULL, oti, NULL,
630 CERROR("Failed to uncreate objid "LPX64" subobj "
631 LPX64" on OST idx %d: rc = %d\n",
632 src_oa->o_id, req->rq_oi.oi_oa->o_id,
636 obd_free_memmd(exp, &set->set_oi->oi_md);
638 if (oti && set->set_cookies) {
639 oti->oti_logcookies = set->set_cookies;
640 if (!set->set_cookie_sent) {
641 oti_free_cookies(oti);
642 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
644 src_oa->o_valid |= OBD_MD_FLCOOKIE;
650 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
657 LASSERT(set->set_exp);
658 if (set->set_completes)
659 rc = create_done(set->set_exp, set, lsmp);
661 if (atomic_dec_and_test(&set->set_refcount))
667 int lov_update_create_set(struct lov_request_set *set,
668 struct lov_request *req, int rc)
670 struct obd_trans_info *oti = set->set_oti;
671 struct lov_stripe_md *lsm = set->set_oi->oi_md;
672 struct lov_oinfo *loi;
673 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
676 if (rc && lov->lov_tgts[req->rq_idx] &&
677 lov->lov_tgts[req->rq_idx]->ltd_active) {
678 CERROR("error creating fid "LPX64" sub-object"
679 " on OST idx %d/%d: rc = %d\n",
680 set->set_oi->oi_oa->o_id, req->rq_idx,
681 lsm->lsm_stripe_count, rc);
683 CERROR("obd_create returned invalid err %d\n", rc);
688 spin_lock(&set->set_lock);
689 req->rq_stripe = set->set_success;
690 loi = lsm->lsm_oinfo[req->rq_stripe];
692 lov_update_set(set, req, rc);
693 spin_unlock(&set->set_lock);
697 loi->loi_id = req->rq_oi.oi_oa->o_id;
698 loi->loi_gr = req->rq_oi.oi_oa->o_gr;
699 loi->loi_ost_idx = req->rq_idx;
702 if (oti && set->set_cookies)
703 ++oti->oti_logcookies;
704 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
705 set->set_cookie_sent++;
707 lov_update_set(set, req, rc);
708 spin_unlock(&set->set_lock);
710 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
711 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
715 int cb_create_update(void *cookie, int rc)
717 struct obd_info *oinfo = cookie;
718 struct lov_request *lovreq;
720 lovreq = container_of(oinfo, struct lov_request, rq_oi);
721 return lov_update_create_set(lovreq->rq_rqset, lovreq, rc);
725 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
726 struct lov_stripe_md **lsmp, struct obdo *src_oa,
727 struct obd_trans_info *oti,
728 struct lov_request_set **reqset)
730 struct lov_request_set *set;
734 OBD_ALLOC(set, sizeof(*set));
741 set->set_oi->oi_md = *lsmp;
742 set->set_oi->oi_oa = src_oa;
745 rc = qos_prep_create(exp, set);
746 /* qos_shrink_lsm() may have allocated a new lsm */
747 *lsmp = oinfo->oi_md;
749 lov_fini_create_set(set, lsmp);
755 static int common_attr_done(struct lov_request_set *set)
757 struct list_head *pos;
758 struct lov_request *req;
760 int rc = 0, attrset = 0;
763 LASSERT(set->set_oi != NULL);
765 if (set->set_oi->oi_oa == NULL)
768 if (!set->set_success)
773 GOTO(out, rc = -ENOMEM);
775 list_for_each (pos, &set->set_list) {
776 req = list_entry(pos, struct lov_request, rq_link);
778 if (!req->rq_complete || req->rq_rc)
780 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
782 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
783 req->rq_oi.oi_oa->o_valid,
784 set->set_oi->oi_md, req->rq_stripe, &attrset);
787 CERROR("No stripes had valid attrs\n");
790 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
791 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
799 static int brw_done(struct lov_request_set *set)
801 struct lov_stripe_md *lsm = set->set_oi->oi_md;
802 struct lov_oinfo *loi = NULL;
803 struct list_head *pos;
804 struct lov_request *req;
807 list_for_each (pos, &set->set_list) {
808 req = list_entry(pos, struct lov_request, rq_link);
810 if (!req->rq_complete || req->rq_rc)
813 loi = lsm->lsm_oinfo[req->rq_stripe];
815 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
816 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
822 int lov_fini_brw_set(struct lov_request_set *set)
829 LASSERT(set->set_exp);
830 if (set->set_completes) {
832 /* FIXME update qos data here */
834 if (atomic_dec_and_test(&set->set_refcount))
840 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
841 obd_count oa_bufs, struct brw_page *pga,
842 struct obd_trans_info *oti,
843 struct lov_request_set **reqset)
850 struct lov_request_set *set;
851 struct lov_obd *lov = &exp->exp_obd->u.lov;
852 int rc = 0, i, shift;
855 OBD_ALLOC(set, sizeof(*set));
863 set->set_oabufs = oa_bufs;
864 OBD_ALLOC(set->set_pga, oa_bufs * sizeof(*set->set_pga));
866 GOTO(out, rc = -ENOMEM);
868 OBD_ALLOC(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
870 GOTO(out, rc = -ENOMEM);
872 /* calculate the page count for each stripe */
873 for (i = 0; i < oa_bufs; i++) {
874 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
875 info[stripe].count++;
878 /* alloc and initialize lov request */
880 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
881 struct lov_oinfo *loi = NULL;
882 struct lov_request *req;
884 if (info[i].count == 0)
887 loi = oinfo->oi_md->lsm_oinfo[i];
888 if (!lov->lov_tgts[loi->loi_ost_idx] ||
889 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
890 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
891 GOTO(out, rc = -EIO);
894 OBD_ALLOC(req, sizeof(*req));
896 GOTO(out, rc = -ENOMEM);
898 OBDO_ALLOC(req->rq_oi.oi_oa);
899 if (req->rq_oi.oi_oa == NULL) {
900 OBD_FREE(req, sizeof(*req));
901 GOTO(out, rc = -ENOMEM);
905 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
906 sizeof(*req->rq_oi.oi_oa));
908 req->rq_oi.oi_oa->o_id = loi->loi_id;
909 req->rq_oi.oi_oa->o_stripe_idx = i;
911 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
912 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
913 if (req->rq_oi.oi_md == NULL) {
914 OBDO_FREE(req->rq_oi.oi_oa);
915 OBD_FREE(req, sizeof(*req));
916 GOTO(out, rc = -ENOMEM);
919 req->rq_idx = loi->loi_ost_idx;
922 /* XXX LOV STACKING */
923 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
924 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
925 req->rq_oabufs = info[i].count;
926 req->rq_pgaidx = shift;
927 shift += req->rq_oabufs;
929 /* remember the index for sort brw_page array */
930 info[i].index = req->rq_pgaidx;
932 req->rq_oi.oi_capa = oinfo->oi_capa;
934 lov_set_add_req(req, set);
937 GOTO(out, rc = -EIO);
939 /* rotate & sort the brw_page array */
940 for (i = 0; i < oa_bufs; i++) {
941 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
943 shift = info[stripe].index + info[stripe].off;
944 LASSERT(shift < oa_bufs);
945 set->set_pga[shift] = pga[i];
946 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
947 &set->set_pga[shift].off);
952 OBD_FREE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
957 lov_fini_brw_set(set);
962 int lov_fini_getattr_set(struct lov_request_set *set)
969 LASSERT(set->set_exp);
970 if (set->set_completes)
971 rc = common_attr_done(set);
973 if (atomic_dec_and_test(&set->set_refcount))
979 /* The callback for osc_getattr_async that finilizes a request info when a
980 * response is received. */
981 static int cb_getattr_update(void *cookie, int rc)
983 struct obd_info *oinfo = cookie;
984 struct lov_request *lovreq;
985 lovreq = container_of(oinfo, struct lov_request, rq_oi);
986 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
989 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
990 struct lov_request_set **reqset)
992 struct lov_request_set *set;
993 struct lov_obd *lov = &exp->exp_obd->u.lov;
997 OBD_ALLOC(set, sizeof(*set));
1003 set->set_oi = oinfo;
1005 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1006 struct lov_oinfo *loi;
1007 struct lov_request *req;
1009 loi = oinfo->oi_md->lsm_oinfo[i];
1010 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1011 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1012 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1016 OBD_ALLOC(req, sizeof(*req));
1018 GOTO(out_set, rc = -ENOMEM);
1021 req->rq_idx = loi->loi_ost_idx;
1023 OBDO_ALLOC(req->rq_oi.oi_oa);
1024 if (req->rq_oi.oi_oa == NULL) {
1025 OBD_FREE(req, sizeof(*req));
1026 GOTO(out_set, rc = -ENOMEM);
1028 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1029 sizeof(*req->rq_oi.oi_oa));
1030 req->rq_oi.oi_oa->o_id = loi->loi_id;
1031 req->rq_oi.oi_cb_up = cb_getattr_update;
1032 req->rq_oi.oi_capa = oinfo->oi_capa;
1034 lov_set_add_req(req, set);
1036 if (!set->set_count)
1037 GOTO(out_set, rc = -EIO);
1041 lov_fini_getattr_set(set);
1045 int lov_fini_destroy_set(struct lov_request_set *set)
1051 LASSERT(set->set_exp);
1052 if (set->set_completes) {
1053 /* FIXME update qos data here */
1056 if (atomic_dec_and_test(&set->set_refcount))
1057 lov_finish_set(set);
1062 int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
1063 struct obdo *src_oa, struct lov_stripe_md *lsm,
1064 struct obd_trans_info *oti,
1065 struct lov_request_set **reqset)
1067 struct lov_request_set *set;
1068 struct lov_obd *lov = &exp->exp_obd->u.lov;
1072 OBD_ALLOC(set, sizeof(*set));
1078 set->set_oi = oinfo;
1079 set->set_oi->oi_md = lsm;
1080 set->set_oi->oi_oa = src_oa;
1082 if (oti != NULL && src_oa->o_valid & OBD_MD_FLCOOKIE)
1083 set->set_cookies = oti->oti_logcookies;
1085 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1086 struct lov_oinfo *loi;
1087 struct lov_request *req;
1089 loi = lsm->lsm_oinfo[i];
1090 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1091 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1092 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1096 OBD_ALLOC(req, sizeof(*req));
1098 GOTO(out_set, rc = -ENOMEM);
1101 req->rq_idx = loi->loi_ost_idx;
1103 OBDO_ALLOC(req->rq_oi.oi_oa);
1104 if (req->rq_oi.oi_oa == NULL) {
1105 OBD_FREE(req, sizeof(*req));
1106 GOTO(out_set, rc = -ENOMEM);
1108 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1109 req->rq_oi.oi_oa->o_id = loi->loi_id;
1110 lov_set_add_req(req, set);
1112 if (!set->set_count)
1113 GOTO(out_set, rc = -EIO);
1117 lov_fini_destroy_set(set);
1121 int lov_fini_setattr_set(struct lov_request_set *set)
1128 LASSERT(set->set_exp);
1129 if (set->set_completes) {
1130 rc = common_attr_done(set);
1131 /* FIXME update qos data here */
1134 if (atomic_dec_and_test(&set->set_refcount))
1135 lov_finish_set(set);
1139 int lov_update_setattr_set(struct lov_request_set *set,
1140 struct lov_request *req, int rc)
1142 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1143 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1146 lov_update_set(set, req, rc);
1148 /* grace error on inactive ost */
1149 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1150 lov->lov_tgts[req->rq_idx]->ltd_active))
1154 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1155 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1156 req->rq_oi.oi_oa->o_ctime;
1157 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1158 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1159 req->rq_oi.oi_oa->o_mtime;
1160 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1161 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1162 req->rq_oi.oi_oa->o_atime;
1168 /* The callback for osc_setattr_async that finilizes a request info when a
1169 * response is received. */
1170 static int cb_setattr_update(void *cookie, int rc)
1172 struct obd_info *oinfo = cookie;
1173 struct lov_request *lovreq;
1174 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1175 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1178 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1179 struct obd_trans_info *oti,
1180 struct lov_request_set **reqset)
1182 struct lov_request_set *set;
1183 struct lov_obd *lov = &exp->exp_obd->u.lov;
1187 OBD_ALLOC(set, sizeof(*set));
1194 set->set_oi = oinfo;
1195 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1196 set->set_cookies = oti->oti_logcookies;
1198 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1199 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1200 struct lov_request *req;
1202 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1203 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1204 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1208 OBD_ALLOC(req, sizeof(*req));
1210 GOTO(out_set, rc = -ENOMEM);
1212 req->rq_idx = loi->loi_ost_idx;
1214 OBDO_ALLOC(req->rq_oi.oi_oa);
1215 if (req->rq_oi.oi_oa == NULL) {
1216 OBD_FREE(req, sizeof(*req));
1217 GOTO(out_set, rc = -ENOMEM);
1219 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1220 sizeof(*req->rq_oi.oi_oa));
1221 req->rq_oi.oi_oa->o_id = loi->loi_id;
1222 req->rq_oi.oi_oa->o_stripe_idx = i;
1223 req->rq_oi.oi_cb_up = cb_setattr_update;
1224 req->rq_oi.oi_capa = oinfo->oi_capa;
1226 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1227 int off = lov_stripe_offset(oinfo->oi_md,
1228 oinfo->oi_oa->o_size, i,
1229 &req->rq_oi.oi_oa->o_size);
1231 if (off < 0 && req->rq_oi.oi_oa->o_size)
1232 req->rq_oi.oi_oa->o_size--;
1234 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1235 i, req->rq_oi.oi_oa->o_size,
1236 oinfo->oi_oa->o_size);
1238 lov_set_add_req(req, set);
1240 if (!set->set_count)
1241 GOTO(out_set, rc = -EIO);
1245 lov_fini_setattr_set(set);
1249 int lov_fini_punch_set(struct lov_request_set *set)
1256 LASSERT(set->set_exp);
1257 if (set->set_completes) {
1259 /* FIXME update qos data here */
1260 if (set->set_success)
1261 rc = common_attr_done(set);
1264 if (atomic_dec_and_test(&set->set_refcount))
1265 lov_finish_set(set);
1270 int lov_update_punch_set(struct lov_request_set *set,
1271 struct lov_request *req, int rc)
1273 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1274 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1277 lov_update_set(set, req, rc);
1279 /* grace error on inactive ost */
1280 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1284 lov_stripe_lock(lsm);
1285 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1286 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1287 req->rq_oi.oi_oa->o_blocks;
1290 /* Do we need to update lvb_size here? It needn't because
1291 * it have been done in ll_truncate(). -jay */
1292 lov_stripe_unlock(lsm);
1298 /* The callback for osc_punch that finilizes a request info when a response
1300 static int cb_update_punch(void *cookie, int rc)
1302 struct obd_info *oinfo = cookie;
1303 struct lov_request *lovreq;
1304 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1305 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1308 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1309 struct obd_trans_info *oti,
1310 struct lov_request_set **reqset)
1312 struct lov_request_set *set;
1313 struct lov_obd *lov = &exp->exp_obd->u.lov;
1317 OBD_ALLOC(set, sizeof(*set));
1322 set->set_oi = oinfo;
1325 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1326 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1327 struct lov_request *req;
1330 if (!lov_stripe_intersects(oinfo->oi_md, i,
1331 oinfo->oi_policy.l_extent.start,
1332 oinfo->oi_policy.l_extent.end,
1336 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1337 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1338 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1339 GOTO(out_set, rc = -EIO);
1342 OBD_ALLOC(req, sizeof(*req));
1344 GOTO(out_set, rc = -ENOMEM);
1346 req->rq_idx = loi->loi_ost_idx;
1348 OBDO_ALLOC(req->rq_oi.oi_oa);
1349 if (req->rq_oi.oi_oa == NULL) {
1350 OBD_FREE(req, sizeof(*req));
1351 GOTO(out_set, rc = -ENOMEM);
1353 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1354 sizeof(*req->rq_oi.oi_oa));
1355 req->rq_oi.oi_oa->o_id = loi->loi_id;
1356 req->rq_oi.oi_oa->o_gr = loi->loi_gr;
1357 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1359 req->rq_oi.oi_oa->o_stripe_idx = i;
1360 req->rq_oi.oi_cb_up = cb_update_punch;
1362 req->rq_oi.oi_policy.l_extent.start = rs;
1363 req->rq_oi.oi_policy.l_extent.end = re;
1364 req->rq_oi.oi_policy.l_extent.gid = -1;
1366 req->rq_oi.oi_capa = oinfo->oi_capa;
1368 lov_set_add_req(req, set);
1370 if (!set->set_count)
1371 GOTO(out_set, rc = -EIO);
1375 lov_fini_punch_set(set);
1379 int lov_fini_sync_set(struct lov_request_set *set)
1386 LASSERT(set->set_exp);
1387 if (set->set_completes) {
1388 if (!set->set_success)
1390 /* FIXME update qos data here */
1393 if (atomic_dec_and_test(&set->set_refcount))
1394 lov_finish_set(set);
1399 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1400 struct obdo *src_oa, struct lov_stripe_md *lsm,
1401 obd_off start, obd_off end,
1402 struct lov_request_set **reqset)
1404 struct lov_request_set *set;
1405 struct lov_obd *lov = &exp->exp_obd->u.lov;
1409 OBD_ALLOC(set, sizeof(*set));
1415 set->set_oi = oinfo;
1416 set->set_oi->oi_md = lsm;
1417 set->set_oi->oi_oa = src_oa;
1419 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1420 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
1421 struct lov_request *req;
1424 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1425 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1426 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1430 if (!lov_stripe_intersects(lsm, i, start, end, &rs, &re))
1433 OBD_ALLOC(req, sizeof(*req));
1435 GOTO(out_set, rc = -ENOMEM);
1437 req->rq_idx = loi->loi_ost_idx;
1439 OBDO_ALLOC(req->rq_oi.oi_oa);
1440 if (req->rq_oi.oi_oa == NULL) {
1441 OBD_FREE(req, sizeof(*req));
1442 GOTO(out_set, rc = -ENOMEM);
1444 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1445 req->rq_oi.oi_oa->o_id = loi->loi_id;
1446 req->rq_oi.oi_oa->o_stripe_idx = i;
1448 req->rq_oi.oi_policy.l_extent.start = rs;
1449 req->rq_oi.oi_policy.l_extent.end = re;
1450 req->rq_oi.oi_policy.l_extent.gid = -1;
1452 lov_set_add_req(req, set);
1454 if (!set->set_count)
1455 GOTO(out_set, rc = -EIO);
1459 lov_fini_sync_set(set);
1463 #define LOV_U64_MAX ((__u64)~0ULL)
1464 #define LOV_SUM_MAX(tot, add) \
1466 if ((tot) + (add) < (tot)) \
1467 (tot) = LOV_U64_MAX; \
1472 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1477 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov, 0);
1479 if (osfs->os_files != LOV_U64_MAX)
1480 do_div(osfs->os_files, expected_stripes);
1481 if (osfs->os_ffree != LOV_U64_MAX)
1482 do_div(osfs->os_ffree, expected_stripes);
1484 spin_lock(&obd->obd_osfs_lock);
1485 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1486 obd->obd_osfs_age = cfs_time_current_64();
1487 spin_unlock(&obd->obd_osfs_lock);
1494 int lov_fini_statfs_set(struct lov_request_set *set)
1502 if (set->set_completes) {
1503 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1507 if (atomic_dec_and_test(&set->set_refcount))
1508 lov_finish_set(set);
1513 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1516 int shift = 0, quit = 0;
1520 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1522 if (osfs->os_bsize != lov_sfs->os_bsize) {
1523 /* assume all block sizes are always powers of 2 */
1524 /* get the bits difference */
1525 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1526 for (shift = 0; shift <= 64; ++shift) {
1538 if (osfs->os_bsize < lov_sfs->os_bsize) {
1539 osfs->os_bsize = lov_sfs->os_bsize;
1541 osfs->os_bfree >>= shift;
1542 osfs->os_bavail >>= shift;
1543 osfs->os_blocks >>= shift;
1544 } else if (shift != 0) {
1545 lov_sfs->os_bfree >>= shift;
1546 lov_sfs->os_bavail >>= shift;
1547 lov_sfs->os_blocks >>= shift;
1550 /* Sandia requested that df (and so, statfs) only
1551 returned minimal available space on
1552 a single OST, so people would be able to
1553 write this much data guaranteed. */
1554 if (osfs->os_bavail > lov_sfs->os_bavail) {
1555 /* Presumably if new bavail is smaller,
1556 new bfree is bigger as well */
1557 osfs->os_bfree = lov_sfs->os_bfree;
1558 osfs->os_bavail = lov_sfs->os_bavail;
1561 osfs->os_bfree += lov_sfs->os_bfree;
1562 osfs->os_bavail += lov_sfs->os_bavail;
1564 osfs->os_blocks += lov_sfs->os_blocks;
1565 /* XXX not sure about this one - depends on policy.
1566 * - could be minimum if we always stripe on all OBDs
1567 * (but that would be wrong for any other policy,
1568 * if one of the OBDs has no more objects left)
1569 * - could be sum if we stripe whole objects
1570 * - could be average, just to give a nice number
1572 * To give a "reasonable" (if not wholly accurate)
1573 * number, we divide the total number of free objects
1574 * by expected stripe count (watch out for overflow).
1576 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1577 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1581 /* The callback for osc_statfs_async that finilizes a request info when a
1582 * response is received. */
1583 static int cb_statfs_update(void *cookie, int rc)
1585 struct obd_info *oinfo = cookie;
1586 struct lov_request *lovreq;
1587 struct obd_statfs *osfs, *lov_sfs;
1588 struct obd_device *obd;
1589 struct lov_obd *lov;
1593 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1594 lov = &lovreq->rq_rqset->set_obd->u.lov;
1595 obd = class_exp2obd(lov->lov_tgts[lovreq->rq_idx]->ltd_exp);
1597 osfs = lovreq->rq_rqset->set_oi->oi_osfs;
1598 lov_sfs = oinfo->oi_osfs;
1600 success = lovreq->rq_rqset->set_success;
1601 /* XXX: the same is done in lov_update_common_set, however
1602 lovset->set_exp is not initialized. */
1603 lov_update_set(lovreq->rq_rqset, lovreq, rc);
1605 /* XXX ignore error for disconnected ost ? */
1606 if (rc && !(lov->lov_tgts[lovreq->rq_idx] &&
1607 lov->lov_tgts[lovreq->rq_idx]->ltd_active))
1612 spin_lock(&obd->obd_osfs_lock);
1613 memcpy(&obd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1614 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1615 obd->obd_osfs_age = cfs_time_current_64();
1616 spin_unlock(&obd->obd_osfs_lock);
1618 lov_update_statfs(osfs, lov_sfs, success);
1621 if (lovreq->rq_rqset->set_oi->oi_flags & OBD_STATFS_PTLRPCD &&
1622 lov_finished_set(lovreq->rq_rqset)) {
1623 lov_statfs_interpret(NULL, lovreq->rq_rqset,
1624 lovreq->rq_rqset->set_success !=
1625 lovreq->rq_rqset->set_count);
1626 qos_statfs_done(lov);
1632 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1633 struct lov_request_set **reqset)
1635 struct lov_request_set *set;
1636 struct lov_obd *lov = &obd->u.lov;
1640 OBD_ALLOC(set, sizeof(*set));
1646 set->set_oi = oinfo;
1648 /* We only get block data from the OBD */
1649 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1650 struct lov_request *req;
1652 if (!lov->lov_tgts[i] || (!lov->lov_tgts[i]->ltd_active
1653 && (oinfo->oi_flags & OBD_STATFS_NODELAY))) {
1654 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1658 /* skip targets that have been explicitely disabled by the
1660 if (!lov->lov_tgts[i]->ltd_exp) {
1661 CDEBUG(D_HA, "lov idx %d administratively disabled\n", i);
1665 OBD_ALLOC(req, sizeof(*req));
1667 GOTO(out_set, rc = -ENOMEM);
1669 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1670 if (req->rq_oi.oi_osfs == NULL) {
1671 OBD_FREE(req, sizeof(*req));
1672 GOTO(out_set, rc = -ENOMEM);
1676 req->rq_oi.oi_cb_up = cb_statfs_update;
1677 req->rq_oi.oi_flags = oinfo->oi_flags;
1679 lov_set_add_req(req, set);
1681 if (!set->set_count)
1682 GOTO(out_set, rc = -EIO);
1686 lov_fini_statfs_set(set);