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);
65 static void lov_finish_set(struct lov_request_set *set)
67 struct list_head *pos, *n;
71 list_for_each_safe(pos, n, &set->set_list) {
72 struct lov_request *req = list_entry(pos, struct lov_request,
74 list_del_init(&req->rq_link);
77 OBDO_FREE(req->rq_oi.oi_oa);
79 OBD_FREE(req->rq_oi.oi_md, req->rq_buflen);
80 if (req->rq_oi.oi_osfs)
81 OBD_FREE(req->rq_oi.oi_osfs,
82 sizeof(*req->rq_oi.oi_osfs));
83 OBD_FREE(req, sizeof(*req));
87 int len = set->set_oabufs * sizeof(*set->set_pga);
88 OBD_FREE(set->set_pga, len);
91 lov_llh_put(set->set_lockh);
93 OBD_FREE(set, sizeof(*set));
97 int lov_finished_set(struct lov_request_set *set)
99 CDEBUG(D_INFO, "check set %d/%d\n", set->set_completes,
101 return set->set_completes == set->set_count;
105 void lov_update_set(struct lov_request_set *set,
106 struct lov_request *req, int rc)
108 req->rq_complete = 1;
111 set->set_completes++;
115 cfs_waitq_signal(&set->set_waitq);
118 int lov_update_common_set(struct lov_request_set *set,
119 struct lov_request *req, int rc)
121 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
124 lov_update_set(set, req, rc);
126 /* grace error on inactive ost */
127 if (rc && !(lov->lov_tgts[req->rq_idx] &&
128 lov->lov_tgts[req->rq_idx]->ltd_active))
131 /* FIXME in raid1 regime, should return 0 */
135 void lov_set_add_req(struct lov_request *req, struct lov_request_set *set)
137 list_add_tail(&req->rq_link, &set->set_list);
142 extern void osc_update_enqueue(struct lustre_handle *lov_lockhp,
143 struct lov_oinfo *loi, int flags,
144 struct ost_lvb *lvb, __u32 mode, int rc);
146 static int lov_update_enqueue_lov(struct obd_export *exp,
147 struct lustre_handle *lov_lockhp,
148 struct lov_oinfo *loi, int flags, int idx,
151 struct lov_obd *lov = &exp->exp_obd->u.lov;
153 if (rc != ELDLM_OK &&
154 !(rc == ELDLM_LOCK_ABORTED && (flags & LDLM_FL_HAS_INTENT))) {
155 memset(lov_lockhp, 0, sizeof(*lov_lockhp));
156 if (lov->lov_tgts[idx] && lov->lov_tgts[idx]->ltd_active) {
157 /* -EUSERS used by OST to report file contention */
158 if (rc != -EINTR && rc != -EUSERS)
159 CERROR("enqueue objid "LPX64" subobj "
160 LPX64" on OST idx %d: rc %d\n",
161 oid, loi->loi_id, loi->loi_ost_idx, rc);
168 int lov_update_enqueue_set(struct lov_request *req, __u32 mode, int rc)
170 struct lov_request_set *set = req->rq_rqset;
171 struct lustre_handle *lov_lockhp;
172 struct obd_info *oi = set->set_oi;
173 struct lov_oinfo *loi;
178 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
179 loi = oi->oi_md->lsm_oinfo[req->rq_stripe];
181 /* XXX LOV STACKING: OSC gets a copy, created in lov_prep_enqueue_set
182 * and that copy can be arbitrarily out of date.
184 * The LOV API is due for a serious rewriting anyways, and this
185 * can be addressed then. */
187 lov_stripe_lock(oi->oi_md);
188 osc_update_enqueue(lov_lockhp, loi, oi->oi_flags,
189 &req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb, mode, rc);
190 if (rc == ELDLM_LOCK_ABORTED && (oi->oi_flags & LDLM_FL_HAS_INTENT))
191 memset(lov_lockhp, 0, sizeof *lov_lockhp);
192 rc = lov_update_enqueue_lov(set->set_exp, lov_lockhp, loi, oi->oi_flags,
193 req->rq_idx, oi->oi_md->lsm_object_id, rc);
194 lov_stripe_unlock(oi->oi_md);
195 lov_update_set(set, req, rc);
199 /* The callback for osc_enqueue that updates lov info for every OSC request. */
200 static int cb_update_enqueue(void *cookie, int rc)
202 struct obd_info *oinfo = cookie;
203 struct ldlm_enqueue_info *einfo;
204 struct lov_request *lovreq;
206 lovreq = container_of(oinfo, struct lov_request, rq_oi);
207 einfo = lovreq->rq_rqset->set_ei;
208 return lov_update_enqueue_set(lovreq, einfo->ei_mode, rc);
211 static int enqueue_done(struct lov_request_set *set, __u32 mode)
213 struct lov_request *req;
214 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
218 /* enqueue/match success, just return */
219 if (set->set_completes && set->set_completes == set->set_success)
222 /* cancel enqueued/matched locks */
223 list_for_each_entry(req, &set->set_list, rq_link) {
224 struct lustre_handle *lov_lockhp;
226 if (!req->rq_complete || req->rq_rc)
229 lov_lockhp = set->set_lockh->llh_handles + req->rq_stripe;
231 if (!lustre_handle_is_used(lov_lockhp))
234 rc = obd_cancel(lov->lov_tgts[req->rq_idx]->ltd_exp,
235 req->rq_oi.oi_md, mode, lov_lockhp);
236 if (rc && lov->lov_tgts[req->rq_idx] &&
237 lov->lov_tgts[req->rq_idx]->ltd_active)
238 CERROR("cancelling obdjid "LPX64" on OST "
239 "idx %d error: rc = %d\n",
240 req->rq_oi.oi_md->lsm_object_id,
244 lov_llh_put(set->set_lockh);
248 int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
249 struct ptlrpc_request_set *rqset)
256 LASSERT(set->set_exp);
257 /* Do enqueue_done only for sync requests and if any request
261 set->set_completes = 0;
262 ret = enqueue_done(set, mode);
263 } else if (set->set_lockh)
264 lov_llh_put(set->set_lockh);
266 if (atomic_dec_and_test(&set->set_refcount))
269 RETURN(rc ? rc : ret);
272 int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
273 struct ldlm_enqueue_info *einfo,
274 struct lov_request_set **reqset)
276 struct lov_obd *lov = &exp->exp_obd->u.lov;
277 struct lov_request_set *set;
281 OBD_ALLOC(set, sizeof(*set));
289 set->set_lockh = lov_llh_new(oinfo->oi_md);
290 if (set->set_lockh == NULL)
291 GOTO(out_set, rc = -ENOMEM);
292 oinfo->oi_lockh->cookie = set->set_lockh->llh_handle.h_cookie;
294 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
295 struct lov_oinfo *loi;
296 struct lov_request *req;
299 loi = oinfo->oi_md->lsm_oinfo[i];
300 if (!lov_stripe_intersects(oinfo->oi_md, i,
301 oinfo->oi_policy.l_extent.start,
302 oinfo->oi_policy.l_extent.end,
306 if (!lov->lov_tgts[loi->loi_ost_idx] ||
307 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
308 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
312 OBD_ALLOC(req, sizeof(*req));
314 GOTO(out_set, rc = -ENOMEM);
316 req->rq_buflen = sizeof(*req->rq_oi.oi_md) +
317 sizeof(struct lov_oinfo *) +
318 sizeof(struct lov_oinfo);
319 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
320 if (req->rq_oi.oi_md == NULL) {
321 OBD_FREE(req, sizeof(*req));
322 GOTO(out_set, rc = -ENOMEM);
324 req->rq_oi.oi_md->lsm_oinfo[0] =
325 ((void *)req->rq_oi.oi_md) + sizeof(*req->rq_oi.oi_md) +
326 sizeof(struct lov_oinfo *);
328 /* Set lov request specific parameters. */
329 req->rq_oi.oi_lockh = set->set_lockh->llh_handles + i;
330 req->rq_oi.oi_cb_up = cb_update_enqueue;
331 req->rq_oi.oi_flags = oinfo->oi_flags;
333 LASSERT(req->rq_oi.oi_lockh);
335 req->rq_oi.oi_policy.l_extent.gid =
336 oinfo->oi_policy.l_extent.gid;
337 req->rq_oi.oi_policy.l_extent.start = start;
338 req->rq_oi.oi_policy.l_extent.end = end;
340 req->rq_idx = loi->loi_ost_idx;
343 /* XXX LOV STACKING: submd should be from the subobj */
344 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
345 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
346 req->rq_oi.oi_md->lsm_stripe_count = 0;
347 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms_valid =
349 req->rq_oi.oi_md->lsm_oinfo[0]->loi_kms = loi->loi_kms;
350 req->rq_oi.oi_md->lsm_oinfo[0]->loi_lvb = loi->loi_lvb;
352 lov_set_add_req(req, set);
355 GOTO(out_set, rc = -EIO);
359 lov_fini_enqueue_set(set, einfo->ei_mode, rc, NULL);
363 int lov_update_match_set(struct lov_request_set *set, struct lov_request *req,
373 lov_update_set(set, req, ret);
377 int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags)
384 LASSERT(set->set_exp);
385 rc = enqueue_done(set, mode);
386 if ((set->set_count == set->set_success) &&
387 (flags & LDLM_FL_TEST_LOCK))
388 lov_llh_put(set->set_lockh);
390 if (atomic_dec_and_test(&set->set_refcount))
396 int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
397 struct lov_stripe_md *lsm, ldlm_policy_data_t *policy,
398 __u32 mode, struct lustre_handle *lockh,
399 struct lov_request_set **reqset)
401 struct lov_obd *lov = &exp->exp_obd->u.lov;
402 struct lov_request_set *set;
406 OBD_ALLOC(set, sizeof(*set));
413 set->set_oi->oi_md = lsm;
414 set->set_lockh = lov_llh_new(lsm);
415 if (set->set_lockh == NULL)
416 GOTO(out_set, rc = -ENOMEM);
417 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
419 for (i = 0; i < lsm->lsm_stripe_count; i++){
420 struct lov_oinfo *loi;
421 struct lov_request *req;
424 loi = lsm->lsm_oinfo[i];
425 if (!lov_stripe_intersects(lsm, i, policy->l_extent.start,
426 policy->l_extent.end, &start, &end))
429 /* FIXME raid1 should grace this error */
430 if (!lov->lov_tgts[loi->loi_ost_idx] ||
431 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
432 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
433 GOTO(out_set, rc = -EIO);
436 OBD_ALLOC(req, sizeof(*req));
438 GOTO(out_set, rc = -ENOMEM);
440 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
441 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
442 if (req->rq_oi.oi_md == NULL) {
443 OBD_FREE(req, sizeof(*req));
444 GOTO(out_set, rc = -ENOMEM);
447 req->rq_oi.oi_policy.l_extent.start = start;
448 req->rq_oi.oi_policy.l_extent.end = end;
449 req->rq_oi.oi_policy.l_extent.gid = policy->l_extent.gid;
451 req->rq_idx = loi->loi_ost_idx;
454 /* XXX LOV STACKING: submd should be from the subobj */
455 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
456 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
457 req->rq_oi.oi_md->lsm_stripe_count = 0;
459 lov_set_add_req(req, set);
462 GOTO(out_set, rc = -EIO);
466 lov_fini_match_set(set, mode, 0);
470 int lov_fini_cancel_set(struct lov_request_set *set)
478 LASSERT(set->set_exp);
480 lov_llh_put(set->set_lockh);
482 if (atomic_dec_and_test(&set->set_refcount))
488 int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
489 struct lov_stripe_md *lsm, __u32 mode,
490 struct lustre_handle *lockh,
491 struct lov_request_set **reqset)
493 struct lov_request_set *set;
497 OBD_ALLOC(set, sizeof(*set));
504 set->set_oi->oi_md = lsm;
505 set->set_lockh = lov_handle2llh(lockh);
506 if (set->set_lockh == NULL) {
507 CERROR("LOV: invalid lov lock handle %p\n", lockh);
508 GOTO(out_set, rc = -EINVAL);
510 lockh->cookie = set->set_lockh->llh_handle.h_cookie;
512 for (i = 0; i < lsm->lsm_stripe_count; i++){
513 struct lov_request *req;
514 struct lustre_handle *lov_lockhp;
515 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
517 lov_lockhp = set->set_lockh->llh_handles + i;
518 if (!lustre_handle_is_used(lov_lockhp)) {
519 CDEBUG(D_RPCTRACE,"lov idx %d subobj "LPX64" no lock\n",
520 loi->loi_ost_idx, loi->loi_id);
524 OBD_ALLOC(req, sizeof(*req));
526 GOTO(out_set, rc = -ENOMEM);
528 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
529 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
530 if (req->rq_oi.oi_md == NULL) {
531 OBD_FREE(req, sizeof(*req));
532 GOTO(out_set, rc = -ENOMEM);
535 req->rq_idx = loi->loi_ost_idx;
538 /* XXX LOV STACKING: submd should be from the subobj */
539 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
540 req->rq_oi.oi_md->lsm_object_gr = lsm->lsm_object_gr;
541 req->rq_oi.oi_md->lsm_stripe_count = 0;
543 lov_set_add_req(req, set);
546 GOTO(out_set, rc = -EIO);
550 lov_fini_cancel_set(set);
554 static int create_done(struct obd_export *exp, struct lov_request_set *set,
555 struct lov_stripe_md **lsmp)
557 struct lov_obd *lov = &exp->exp_obd->u.lov;
558 struct obd_trans_info *oti = set->set_oti;
559 struct obdo *src_oa = set->set_oi->oi_oa;
560 struct lov_request *req;
561 struct obdo *ret_oa = NULL;
562 int attrset = 0, rc = 0;
565 LASSERT(set->set_completes);
567 /* try alloc objects on other osts if osc_create fails for
568 * exceptions: RPC failure, ENOSPC, etc */
569 if (set->set_count != set->set_success) {
570 list_for_each_entry (req, &set->set_list, rq_link) {
574 set->set_completes--;
575 req->rq_complete = 0;
577 rc = qos_remedy_create(set, req);
578 lov_update_create_set(set, req, rc);
582 /* no successful creates */
583 if (set->set_success == 0)
586 if (set->set_count != set->set_success) {
587 set->set_count = set->set_success;
593 GOTO(cleanup, rc = -ENOMEM);
595 list_for_each_entry(req, &set->set_list, rq_link) {
596 if (!req->rq_complete || req->rq_rc)
598 lov_merge_attrs(ret_oa, req->rq_oi.oi_oa,
599 req->rq_oi.oi_oa->o_valid, set->set_oi->oi_md,
600 req->rq_stripe, &attrset);
602 if (src_oa->o_valid & OBD_MD_FLSIZE &&
603 ret_oa->o_size != src_oa->o_size) {
604 CERROR("original size "LPU64" isn't new object size "LPU64"\n",
605 src_oa->o_size, ret_oa->o_size);
608 ret_oa->o_id = src_oa->o_id;
609 ret_oa->o_gr = src_oa->o_gr;
610 ret_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
611 memcpy(src_oa, ret_oa, sizeof(*src_oa));
614 *lsmp = set->set_oi->oi_md;
618 list_for_each_entry(req, &set->set_list, rq_link) {
619 struct obd_export *sub_exp;
622 if (!req->rq_complete || req->rq_rc)
625 sub_exp = lov->lov_tgts[req->rq_idx]->ltd_exp;
626 err = obd_destroy(sub_exp, req->rq_oi.oi_oa, NULL, oti, NULL,
629 CERROR("Failed to uncreate objid "LPX64" subobj "
630 LPX64" on OST idx %d: rc = %d\n",
631 src_oa->o_id, req->rq_oi.oi_oa->o_id,
635 obd_free_memmd(exp, &set->set_oi->oi_md);
637 if (oti && set->set_cookies) {
638 oti->oti_logcookies = set->set_cookies;
639 if (!set->set_cookie_sent) {
640 oti_free_cookies(oti);
641 src_oa->o_valid &= ~OBD_MD_FLCOOKIE;
643 src_oa->o_valid |= OBD_MD_FLCOOKIE;
649 int lov_fini_create_set(struct lov_request_set *set,struct lov_stripe_md **lsmp)
656 LASSERT(set->set_exp);
657 if (set->set_completes)
658 rc = create_done(set->set_exp, set, lsmp);
660 if (atomic_dec_and_test(&set->set_refcount))
666 int lov_update_create_set(struct lov_request_set *set,
667 struct lov_request *req, int rc)
669 struct obd_trans_info *oti = set->set_oti;
670 struct lov_stripe_md *lsm = set->set_oi->oi_md;
671 struct lov_oinfo *loi;
672 struct lov_obd *lov = &set->set_exp->exp_obd->u.lov;
675 req->rq_stripe = set->set_success;
676 loi = lsm->lsm_oinfo[req->rq_stripe];
678 if (rc && lov->lov_tgts[req->rq_idx] &&
679 lov->lov_tgts[req->rq_idx]->ltd_active) {
680 CERROR("error creating fid "LPX64" sub-object"
681 " on OST idx %d/%d: rc = %d\n",
682 set->set_oi->oi_oa->o_id, req->rq_idx,
683 lsm->lsm_stripe_count, rc);
685 CERROR("obd_create returned invalid err %d\n", rc);
692 loi->loi_id = req->rq_oi.oi_oa->o_id;
693 loi->loi_gr = req->rq_oi.oi_oa->o_gr;
694 loi->loi_ost_idx = req->rq_idx;
695 CDEBUG(D_INODE, "objid "LPX64" has subobj "LPX64"/"LPU64" at idx %d\n",
696 lsm->lsm_object_id, loi->loi_id, loi->loi_id, req->rq_idx);
699 if (oti && set->set_cookies)
700 ++oti->oti_logcookies;
701 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCOOKIE)
702 set->set_cookie_sent++;
705 lov_update_set(set, req, rc);
709 int cb_create_update(void *cookie, int rc)
711 struct obd_info *oinfo = cookie;
712 struct lov_request *lovreq;
714 lovreq = container_of(oinfo, struct lov_request, rq_oi);
715 return lov_update_create_set(lovreq->rq_rqset, lovreq, rc);
719 int lov_prep_create_set(struct obd_export *exp, struct obd_info *oinfo,
720 struct lov_stripe_md **lsmp, struct obdo *src_oa,
721 struct obd_trans_info *oti,
722 struct lov_request_set **reqset)
724 struct lov_request_set *set;
728 OBD_ALLOC(set, sizeof(*set));
735 set->set_oi->oi_md = *lsmp;
736 set->set_oi->oi_oa = src_oa;
739 rc = qos_prep_create(exp, set);
740 /* qos_shrink_lsm() may have allocated a new lsm */
741 *lsmp = oinfo->oi_md;
743 lov_fini_create_set(set, lsmp);
749 static int common_attr_done(struct lov_request_set *set)
751 struct list_head *pos;
752 struct lov_request *req;
754 int rc = 0, attrset = 0;
757 LASSERT(set->set_oi != NULL);
759 if (set->set_oi->oi_oa == NULL)
762 if (!set->set_success)
767 GOTO(out, rc = -ENOMEM);
769 list_for_each (pos, &set->set_list) {
770 req = list_entry(pos, struct lov_request, rq_link);
772 if (!req->rq_complete || req->rq_rc)
774 if (req->rq_oi.oi_oa->o_valid == 0) /* inactive stripe */
776 lov_merge_attrs(tmp_oa, req->rq_oi.oi_oa,
777 req->rq_oi.oi_oa->o_valid,
778 set->set_oi->oi_md, req->rq_stripe, &attrset);
781 CERROR("No stripes had valid attrs\n");
784 tmp_oa->o_id = set->set_oi->oi_oa->o_id;
785 memcpy(set->set_oi->oi_oa, tmp_oa, sizeof(*set->set_oi->oi_oa));
793 static int brw_done(struct lov_request_set *set)
795 struct lov_stripe_md *lsm = set->set_oi->oi_md;
796 struct lov_oinfo *loi = NULL;
797 struct list_head *pos;
798 struct lov_request *req;
801 list_for_each (pos, &set->set_list) {
802 req = list_entry(pos, struct lov_request, rq_link);
804 if (!req->rq_complete || req->rq_rc)
807 loi = lsm->lsm_oinfo[req->rq_stripe];
809 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS)
810 loi->loi_lvb.lvb_blocks = req->rq_oi.oi_oa->o_blocks;
816 int lov_fini_brw_set(struct lov_request_set *set)
823 LASSERT(set->set_exp);
824 if (set->set_completes) {
826 /* FIXME update qos data here */
828 if (atomic_dec_and_test(&set->set_refcount))
834 int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
835 obd_count oa_bufs, struct brw_page *pga,
836 struct obd_trans_info *oti,
837 struct lov_request_set **reqset)
844 struct lov_request_set *set;
845 struct lov_obd *lov = &exp->exp_obd->u.lov;
846 int rc = 0, i, shift;
849 OBD_ALLOC(set, sizeof(*set));
857 set->set_oabufs = oa_bufs;
858 OBD_ALLOC(set->set_pga, oa_bufs * sizeof(*set->set_pga));
860 GOTO(out, rc = -ENOMEM);
862 OBD_ALLOC(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
864 GOTO(out, rc = -ENOMEM);
866 /* calculate the page count for each stripe */
867 for (i = 0; i < oa_bufs; i++) {
868 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
869 info[stripe].count++;
872 /* alloc and initialize lov request */
874 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++){
875 struct lov_oinfo *loi = NULL;
876 struct lov_request *req;
878 if (info[i].count == 0)
881 loi = oinfo->oi_md->lsm_oinfo[i];
882 if (!lov->lov_tgts[loi->loi_ost_idx] ||
883 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
884 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
885 GOTO(out, rc = -EIO);
888 OBD_ALLOC(req, sizeof(*req));
890 GOTO(out, rc = -ENOMEM);
892 OBDO_ALLOC(req->rq_oi.oi_oa);
893 if (req->rq_oi.oi_oa == NULL) {
894 OBD_FREE(req, sizeof(*req));
895 GOTO(out, rc = -ENOMEM);
899 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
900 sizeof(*req->rq_oi.oi_oa));
902 req->rq_oi.oi_oa->o_id = loi->loi_id;
903 req->rq_oi.oi_oa->o_stripe_idx = i;
905 req->rq_buflen = sizeof(*req->rq_oi.oi_md);
906 OBD_ALLOC(req->rq_oi.oi_md, req->rq_buflen);
907 if (req->rq_oi.oi_md == NULL) {
908 OBDO_FREE(req->rq_oi.oi_oa);
909 OBD_FREE(req, sizeof(*req));
910 GOTO(out, rc = -ENOMEM);
913 req->rq_idx = loi->loi_ost_idx;
916 /* XXX LOV STACKING */
917 req->rq_oi.oi_md->lsm_object_id = loi->loi_id;
918 req->rq_oi.oi_md->lsm_object_gr = oinfo->oi_md->lsm_object_gr;
919 req->rq_oabufs = info[i].count;
920 req->rq_pgaidx = shift;
921 shift += req->rq_oabufs;
923 /* remember the index for sort brw_page array */
924 info[i].index = req->rq_pgaidx;
926 req->rq_oi.oi_capa = oinfo->oi_capa;
928 lov_set_add_req(req, set);
931 GOTO(out, rc = -EIO);
933 /* rotate & sort the brw_page array */
934 for (i = 0; i < oa_bufs; i++) {
935 int stripe = lov_stripe_number(oinfo->oi_md, pga[i].off);
937 shift = info[stripe].index + info[stripe].off;
938 LASSERT(shift < oa_bufs);
939 set->set_pga[shift] = pga[i];
940 lov_stripe_offset(oinfo->oi_md, pga[i].off, stripe,
941 &set->set_pga[shift].off);
946 OBD_FREE(info, sizeof(*info) * oinfo->oi_md->lsm_stripe_count);
951 lov_fini_brw_set(set);
956 int lov_fini_getattr_set(struct lov_request_set *set)
963 LASSERT(set->set_exp);
964 if (set->set_completes)
965 rc = common_attr_done(set);
967 if (atomic_dec_and_test(&set->set_refcount))
973 /* The callback for osc_getattr_async that finilizes a request info when a
974 * response is received. */
975 static int cb_getattr_update(void *cookie, int rc)
977 struct obd_info *oinfo = cookie;
978 struct lov_request *lovreq;
979 lovreq = container_of(oinfo, struct lov_request, rq_oi);
980 return lov_update_common_set(lovreq->rq_rqset, lovreq, rc);
983 int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
984 struct lov_request_set **reqset)
986 struct lov_request_set *set;
987 struct lov_obd *lov = &exp->exp_obd->u.lov;
991 OBD_ALLOC(set, sizeof(*set));
999 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1000 struct lov_oinfo *loi;
1001 struct lov_request *req;
1003 loi = oinfo->oi_md->lsm_oinfo[i];
1004 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1005 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1006 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1010 OBD_ALLOC(req, sizeof(*req));
1012 GOTO(out_set, rc = -ENOMEM);
1015 req->rq_idx = loi->loi_ost_idx;
1017 OBDO_ALLOC(req->rq_oi.oi_oa);
1018 if (req->rq_oi.oi_oa == NULL) {
1019 OBD_FREE(req, sizeof(*req));
1020 GOTO(out_set, rc = -ENOMEM);
1022 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1023 sizeof(*req->rq_oi.oi_oa));
1024 req->rq_oi.oi_oa->o_id = loi->loi_id;
1025 req->rq_oi.oi_cb_up = cb_getattr_update;
1026 req->rq_oi.oi_capa = oinfo->oi_capa;
1028 lov_set_add_req(req, set);
1030 if (!set->set_count)
1031 GOTO(out_set, rc = -EIO);
1035 lov_fini_getattr_set(set);
1039 int lov_fini_destroy_set(struct lov_request_set *set)
1045 LASSERT(set->set_exp);
1046 if (set->set_completes) {
1047 /* FIXME update qos data here */
1050 if (atomic_dec_and_test(&set->set_refcount))
1051 lov_finish_set(set);
1056 int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
1057 struct obdo *src_oa, struct lov_stripe_md *lsm,
1058 struct obd_trans_info *oti,
1059 struct lov_request_set **reqset)
1061 struct lov_request_set *set;
1062 struct lov_obd *lov = &exp->exp_obd->u.lov;
1066 OBD_ALLOC(set, sizeof(*set));
1072 set->set_oi = oinfo;
1073 set->set_oi->oi_md = lsm;
1074 set->set_oi->oi_oa = src_oa;
1076 if (oti != NULL && src_oa->o_valid & OBD_MD_FLCOOKIE)
1077 set->set_cookies = oti->oti_logcookies;
1079 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1080 struct lov_oinfo *loi;
1081 struct lov_request *req;
1083 loi = lsm->lsm_oinfo[i];
1084 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1085 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1086 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1090 OBD_ALLOC(req, sizeof(*req));
1092 GOTO(out_set, rc = -ENOMEM);
1095 req->rq_idx = loi->loi_ost_idx;
1097 OBDO_ALLOC(req->rq_oi.oi_oa);
1098 if (req->rq_oi.oi_oa == NULL) {
1099 OBD_FREE(req, sizeof(*req));
1100 GOTO(out_set, rc = -ENOMEM);
1102 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1103 req->rq_oi.oi_oa->o_id = loi->loi_id;
1104 lov_set_add_req(req, set);
1106 if (!set->set_count)
1107 GOTO(out_set, rc = -EIO);
1111 lov_fini_destroy_set(set);
1115 int lov_fini_setattr_set(struct lov_request_set *set)
1122 LASSERT(set->set_exp);
1123 if (set->set_completes) {
1124 rc = common_attr_done(set);
1125 /* FIXME update qos data here */
1128 if (atomic_dec_and_test(&set->set_refcount))
1129 lov_finish_set(set);
1133 int lov_update_setattr_set(struct lov_request_set *set,
1134 struct lov_request *req, int rc)
1136 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1137 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1140 lov_update_set(set, req, rc);
1142 /* grace error on inactive ost */
1143 if (rc && !(lov->lov_tgts[req->rq_idx] &&
1144 lov->lov_tgts[req->rq_idx]->ltd_active))
1148 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLCTIME)
1149 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_ctime =
1150 req->rq_oi.oi_oa->o_ctime;
1151 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLMTIME)
1152 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_mtime =
1153 req->rq_oi.oi_oa->o_mtime;
1154 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLATIME)
1155 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_atime =
1156 req->rq_oi.oi_oa->o_atime;
1162 /* The callback for osc_setattr_async that finilizes a request info when a
1163 * response is received. */
1164 static int cb_setattr_update(void *cookie, int rc)
1166 struct obd_info *oinfo = cookie;
1167 struct lov_request *lovreq;
1168 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1169 return lov_update_setattr_set(lovreq->rq_rqset, lovreq, rc);
1172 int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
1173 struct obd_trans_info *oti,
1174 struct lov_request_set **reqset)
1176 struct lov_request_set *set;
1177 struct lov_obd *lov = &exp->exp_obd->u.lov;
1181 OBD_ALLOC(set, sizeof(*set));
1188 set->set_oi = oinfo;
1189 if (oti != NULL && oinfo->oi_oa->o_valid & OBD_MD_FLCOOKIE)
1190 set->set_cookies = oti->oti_logcookies;
1192 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1193 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1194 struct lov_request *req;
1196 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1197 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1198 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1202 OBD_ALLOC(req, sizeof(*req));
1204 GOTO(out_set, rc = -ENOMEM);
1206 req->rq_idx = loi->loi_ost_idx;
1208 OBDO_ALLOC(req->rq_oi.oi_oa);
1209 if (req->rq_oi.oi_oa == NULL) {
1210 OBD_FREE(req, sizeof(*req));
1211 GOTO(out_set, rc = -ENOMEM);
1213 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1214 sizeof(*req->rq_oi.oi_oa));
1215 req->rq_oi.oi_oa->o_id = loi->loi_id;
1216 LASSERTF(!(req->rq_oi.oi_oa->o_valid & OBD_MD_FLGROUP) ||
1217 CHECK_MDS_GROUP(req->rq_oi.oi_oa->o_gr),
1218 "req->rq_oi.oi_oa->o_valid="LPX64" "
1219 "req->rq_oi.oi_oa->o_gr="LPU64"\n",
1220 req->rq_oi.oi_oa->o_valid, req->rq_oi.oi_oa->o_gr);
1221 req->rq_oi.oi_oa->o_stripe_idx = i;
1222 req->rq_oi.oi_cb_up = cb_setattr_update;
1223 req->rq_oi.oi_capa = oinfo->oi_capa;
1225 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE) {
1226 int off = lov_stripe_offset(oinfo->oi_md,
1227 oinfo->oi_oa->o_size, i,
1228 &req->rq_oi.oi_oa->o_size);
1230 if (off < 0 && req->rq_oi.oi_oa->o_size)
1231 req->rq_oi.oi_oa->o_size--;
1233 CDEBUG(D_INODE, "stripe %d has size "LPU64"/"LPU64"\n",
1234 i, req->rq_oi.oi_oa->o_size,
1235 oinfo->oi_oa->o_size);
1237 lov_set_add_req(req, set);
1239 if (!set->set_count)
1240 GOTO(out_set, rc = -EIO);
1244 lov_fini_setattr_set(set);
1248 int lov_fini_punch_set(struct lov_request_set *set)
1255 LASSERT(set->set_exp);
1256 if (set->set_completes) {
1258 /* FIXME update qos data here */
1259 if (set->set_success)
1260 rc = common_attr_done(set);
1263 if (atomic_dec_and_test(&set->set_refcount))
1264 lov_finish_set(set);
1269 int lov_update_punch_set(struct lov_request_set *set,
1270 struct lov_request *req, int rc)
1272 struct lov_obd *lov = &req->rq_rqset->set_exp->exp_obd->u.lov;
1273 struct lov_stripe_md *lsm = req->rq_rqset->set_oi->oi_md;
1276 lov_update_set(set, req, rc);
1278 /* grace error on inactive ost */
1279 if (rc && !lov->lov_tgts[req->rq_idx]->ltd_active)
1283 lov_stripe_lock(lsm);
1284 if (req->rq_oi.oi_oa->o_valid & OBD_MD_FLBLOCKS) {
1285 lsm->lsm_oinfo[req->rq_stripe]->loi_lvb.lvb_blocks =
1286 req->rq_oi.oi_oa->o_blocks;
1289 /* Do we need to update lvb_size here? It needn't because
1290 * it have been done in ll_truncate(). -jay */
1291 lov_stripe_unlock(lsm);
1297 /* The callback for osc_punch that finilizes a request info when a response
1299 static int cb_update_punch(void *cookie, int rc)
1301 struct obd_info *oinfo = cookie;
1302 struct lov_request *lovreq;
1303 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1304 return lov_update_punch_set(lovreq->rq_rqset, lovreq, rc);
1307 int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
1308 struct obd_trans_info *oti,
1309 struct lov_request_set **reqset)
1311 struct lov_request_set *set;
1312 struct lov_obd *lov = &exp->exp_obd->u.lov;
1316 OBD_ALLOC(set, sizeof(*set));
1321 set->set_oi = oinfo;
1324 for (i = 0; i < oinfo->oi_md->lsm_stripe_count; i++) {
1325 struct lov_oinfo *loi = oinfo->oi_md->lsm_oinfo[i];
1326 struct lov_request *req;
1329 if (!lov_stripe_intersects(oinfo->oi_md, i,
1330 oinfo->oi_policy.l_extent.start,
1331 oinfo->oi_policy.l_extent.end,
1335 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1336 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1337 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1338 GOTO(out_set, rc = -EIO);
1341 OBD_ALLOC(req, sizeof(*req));
1343 GOTO(out_set, rc = -ENOMEM);
1345 req->rq_idx = loi->loi_ost_idx;
1347 OBDO_ALLOC(req->rq_oi.oi_oa);
1348 if (req->rq_oi.oi_oa == NULL) {
1349 OBD_FREE(req, sizeof(*req));
1350 GOTO(out_set, rc = -ENOMEM);
1352 memcpy(req->rq_oi.oi_oa, oinfo->oi_oa,
1353 sizeof(*req->rq_oi.oi_oa));
1354 req->rq_oi.oi_oa->o_id = loi->loi_id;
1355 req->rq_oi.oi_oa->o_gr = loi->loi_gr;
1356 req->rq_oi.oi_oa->o_valid |= OBD_MD_FLGROUP;
1358 req->rq_oi.oi_oa->o_stripe_idx = i;
1359 req->rq_oi.oi_cb_up = cb_update_punch;
1361 req->rq_oi.oi_policy.l_extent.start = rs;
1362 req->rq_oi.oi_policy.l_extent.end = re;
1363 req->rq_oi.oi_policy.l_extent.gid = -1;
1365 req->rq_oi.oi_capa = oinfo->oi_capa;
1367 lov_set_add_req(req, set);
1369 if (!set->set_count)
1370 GOTO(out_set, rc = -EIO);
1374 lov_fini_punch_set(set);
1378 int lov_fini_sync_set(struct lov_request_set *set)
1385 LASSERT(set->set_exp);
1386 if (set->set_completes) {
1387 if (!set->set_success)
1389 /* FIXME update qos data here */
1392 if (atomic_dec_and_test(&set->set_refcount))
1393 lov_finish_set(set);
1398 int lov_prep_sync_set(struct obd_export *exp, struct obd_info *oinfo,
1399 struct obdo *src_oa, struct lov_stripe_md *lsm,
1400 obd_off start, obd_off end,
1401 struct lov_request_set **reqset)
1403 struct lov_request_set *set;
1404 struct lov_obd *lov = &exp->exp_obd->u.lov;
1408 OBD_ALLOC(set, sizeof(*set));
1414 set->set_oi = oinfo;
1415 set->set_oi->oi_md = lsm;
1416 set->set_oi->oi_oa = src_oa;
1418 for (i = 0; i < lsm->lsm_stripe_count; i++) {
1419 struct lov_oinfo *loi = lsm->lsm_oinfo[i];
1420 struct lov_request *req;
1423 if (!lov->lov_tgts[loi->loi_ost_idx] ||
1424 !lov->lov_tgts[loi->loi_ost_idx]->ltd_active) {
1425 CDEBUG(D_HA, "lov idx %d inactive\n", loi->loi_ost_idx);
1429 if (!lov_stripe_intersects(lsm, i, start, end, &rs, &re))
1432 OBD_ALLOC(req, sizeof(*req));
1434 GOTO(out_set, rc = -ENOMEM);
1436 req->rq_idx = loi->loi_ost_idx;
1438 OBDO_ALLOC(req->rq_oi.oi_oa);
1439 if (req->rq_oi.oi_oa == NULL) {
1440 OBD_FREE(req, sizeof(*req));
1441 GOTO(out_set, rc = -ENOMEM);
1443 memcpy(req->rq_oi.oi_oa, src_oa, sizeof(*req->rq_oi.oi_oa));
1444 req->rq_oi.oi_oa->o_id = loi->loi_id;
1445 req->rq_oi.oi_oa->o_stripe_idx = i;
1447 req->rq_oi.oi_policy.l_extent.start = rs;
1448 req->rq_oi.oi_policy.l_extent.end = re;
1449 req->rq_oi.oi_policy.l_extent.gid = -1;
1451 lov_set_add_req(req, set);
1453 if (!set->set_count)
1454 GOTO(out_set, rc = -EIO);
1458 lov_fini_sync_set(set);
1462 #define LOV_U64_MAX ((__u64)~0ULL)
1463 #define LOV_SUM_MAX(tot, add) \
1465 if ((tot) + (add) < (tot)) \
1466 (tot) = LOV_U64_MAX; \
1471 int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,int success)
1476 __u32 expected_stripes = lov_get_stripecnt(&obd->u.lov, 0);
1478 if (osfs->os_files != LOV_U64_MAX)
1479 do_div(osfs->os_files, expected_stripes);
1480 if (osfs->os_ffree != LOV_U64_MAX)
1481 do_div(osfs->os_ffree, expected_stripes);
1483 spin_lock(&obd->obd_osfs_lock);
1484 memcpy(&obd->obd_osfs, osfs, sizeof(*osfs));
1485 obd->obd_osfs_age = cfs_time_current_64();
1486 spin_unlock(&obd->obd_osfs_lock);
1493 int lov_fini_statfs_set(struct lov_request_set *set)
1501 if (set->set_completes) {
1502 rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs,
1506 if (atomic_dec_and_test(&set->set_refcount))
1507 lov_finish_set(set);
1512 void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs,
1515 int shift = 0, quit = 0;
1519 memcpy(osfs, lov_sfs, sizeof(*lov_sfs));
1521 if (osfs->os_bsize != lov_sfs->os_bsize) {
1522 /* assume all block sizes are always powers of 2 */
1523 /* get the bits difference */
1524 tmp = osfs->os_bsize | lov_sfs->os_bsize;
1525 for (shift = 0; shift <= 64; ++shift) {
1537 if (osfs->os_bsize < lov_sfs->os_bsize) {
1538 osfs->os_bsize = lov_sfs->os_bsize;
1540 osfs->os_bfree >>= shift;
1541 osfs->os_bavail >>= shift;
1542 osfs->os_blocks >>= shift;
1543 } else if (shift != 0) {
1544 lov_sfs->os_bfree >>= shift;
1545 lov_sfs->os_bavail >>= shift;
1546 lov_sfs->os_blocks >>= shift;
1549 /* Sandia requested that df (and so, statfs) only
1550 returned minimal available space on
1551 a single OST, so people would be able to
1552 write this much data guaranteed. */
1553 if (osfs->os_bavail > lov_sfs->os_bavail) {
1554 /* Presumably if new bavail is smaller,
1555 new bfree is bigger as well */
1556 osfs->os_bfree = lov_sfs->os_bfree;
1557 osfs->os_bavail = lov_sfs->os_bavail;
1560 osfs->os_bfree += lov_sfs->os_bfree;
1561 osfs->os_bavail += lov_sfs->os_bavail;
1563 osfs->os_blocks += lov_sfs->os_blocks;
1564 /* XXX not sure about this one - depends on policy.
1565 * - could be minimum if we always stripe on all OBDs
1566 * (but that would be wrong for any other policy,
1567 * if one of the OBDs has no more objects left)
1568 * - could be sum if we stripe whole objects
1569 * - could be average, just to give a nice number
1571 * To give a "reasonable" (if not wholly accurate)
1572 * number, we divide the total number of free objects
1573 * by expected stripe count (watch out for overflow).
1575 LOV_SUM_MAX(osfs->os_files, lov_sfs->os_files);
1576 LOV_SUM_MAX(osfs->os_ffree, lov_sfs->os_ffree);
1580 /* The callback for osc_statfs_async that finilizes a request info when a
1581 * response is received. */
1582 static int cb_statfs_update(void *cookie, int rc)
1584 struct obd_info *oinfo = cookie;
1585 struct lov_request *lovreq;
1586 struct obd_statfs *osfs, *lov_sfs;
1587 struct obd_device *obd;
1588 struct lov_obd *lov;
1592 lovreq = container_of(oinfo, struct lov_request, rq_oi);
1593 lov = &lovreq->rq_rqset->set_obd->u.lov;
1594 obd = class_exp2obd(lov->lov_tgts[lovreq->rq_idx]->ltd_exp);
1596 osfs = lovreq->rq_rqset->set_oi->oi_osfs;
1597 lov_sfs = oinfo->oi_osfs;
1599 success = lovreq->rq_rqset->set_success;
1600 /* XXX: the same is done in lov_update_common_set, however
1601 lovset->set_exp is not initialized. */
1602 lov_update_set(lovreq->rq_rqset, lovreq, rc);
1604 /* XXX ignore error for disconnected ost ? */
1605 if (rc && !(lov->lov_tgts[lovreq->rq_idx] &&
1606 lov->lov_tgts[lovreq->rq_idx]->ltd_active))
1611 spin_lock(&obd->obd_osfs_lock);
1612 memcpy(&obd->obd_osfs, lov_sfs, sizeof(*lov_sfs));
1613 if ((oinfo->oi_flags & OBD_STATFS_FROM_CACHE) == 0)
1614 obd->obd_osfs_age = cfs_time_current_64();
1615 spin_unlock(&obd->obd_osfs_lock);
1617 lov_update_statfs(osfs, lov_sfs, success);
1620 if (lovreq->rq_rqset->set_oi->oi_flags & OBD_STATFS_PTLRPCD &&
1621 lov_finished_set(lovreq->rq_rqset)) {
1622 lov_statfs_interpret(NULL, lovreq->rq_rqset,
1623 lovreq->rq_rqset->set_success !=
1624 lovreq->rq_rqset->set_count);
1625 qos_statfs_done(lov);
1631 int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
1632 struct lov_request_set **reqset)
1634 struct lov_request_set *set;
1635 struct lov_obd *lov = &obd->u.lov;
1639 OBD_ALLOC(set, sizeof(*set));
1645 set->set_oi = oinfo;
1647 /* We only get block data from the OBD */
1648 for (i = 0; i < lov->desc.ld_tgt_count; i++) {
1649 struct lov_request *req;
1651 if (!lov->lov_tgts[i] || (!lov->lov_tgts[i]->ltd_active
1652 && (oinfo->oi_flags & OBD_STATFS_NODELAY))) {
1653 CDEBUG(D_HA, "lov idx %d inactive\n", i);
1657 OBD_ALLOC(req, sizeof(*req));
1659 GOTO(out_set, rc = -ENOMEM);
1661 OBD_ALLOC(req->rq_oi.oi_osfs, sizeof(*req->rq_oi.oi_osfs));
1662 if (req->rq_oi.oi_osfs == NULL) {
1663 OBD_FREE(req, sizeof(*req));
1664 GOTO(out_set, rc = -ENOMEM);
1668 req->rq_oi.oi_cb_up = cb_statfs_update;
1669 req->rq_oi.oi_flags = oinfo->oi_flags;
1671 lov_set_add_req(req, set);
1673 if (!set->set_count)
1674 GOTO(out_set, rc = -EIO);
1678 lov_fini_statfs_set(set);