4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ofd/ofd_obd.c
38 * Author: Andreas Dilger <adilger@whamcloud.com>
39 * Author: Alex Zhuravlev <bzzz@whamcloud.com>
40 * Author: Mike Pershin <tappro@whamcloud.com>
43 #define DEBUG_SUBSYSTEM S_FILTER
45 #include "ofd_internal.h"
46 #include <obd_cksum.h>
47 #include <lustre_quota.h>
49 static int ofd_export_stats_init(struct ofd_device *ofd,
50 struct obd_export *exp, void *client_nid)
52 struct obd_device *obd = ofd_obd(ofd);
53 struct nid_stat *stats;
59 if (obd_uuid_equals(&exp->exp_client_uuid, &obd->obd_uuid))
60 /* Self-export gets no proc entry */
63 rc = lprocfs_exp_setup(exp, client_nid, &newnid);
65 /* Mask error for already created
75 stats = exp->exp_nid_stats;
76 LASSERT(stats != NULL);
78 OBD_ALLOC(stats->nid_brw_stats, sizeof(struct brw_stats));
79 if (stats->nid_brw_stats == NULL)
80 GOTO(clean, rc = -ENOMEM);
82 for (i = 0; i < BRW_LAST; i++)
83 spin_lock_init(&stats->nid_brw_stats->hist[i].oh_lock);
85 rc = lprocfs_seq_create(stats->nid_proc, "brw_stats", 0644,
86 &ofd_per_nid_stats_fops, stats);
88 CWARN("Error adding the brw_stats file\n");
90 num_stats = (sizeof(*obd->obd_type->typ_dt_ops) / sizeof(void *)) +
93 stats->nid_stats = lprocfs_alloc_stats(num_stats,
94 LPROCFS_STATS_FLAG_NOPERCPU);
95 if (stats->nid_stats == NULL)
98 lprocfs_init_ops_stats(LPROC_OFD_LAST, stats->nid_stats);
99 lprocfs_counter_init(stats->nid_stats, LPROC_OFD_READ_BYTES,
100 LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
101 lprocfs_counter_init(stats->nid_stats, LPROC_OFD_WRITE_BYTES,
102 LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes");
104 rc = lprocfs_register_stats(stats->nid_proc, "stats",
109 rc = lprocfs_nid_ldlm_stats_init(stats);
111 lprocfs_free_stats(&stats->nid_stats);
120 static int ofd_parse_connect_data(const struct lu_env *env,
121 struct obd_export *exp,
122 struct obd_connect_data *data)
124 struct ofd_device *ofd = ofd_exp(exp);
125 struct filter_export_data *fed = &exp->exp_filter_data;
130 CDEBUG(D_RPCTRACE, "%s: cli %s/%p ocd_connect_flags: "LPX64
131 " ocd_version: %x ocd_grant: %d ocd_index: %u"
133 exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
134 data->ocd_connect_flags, data->ocd_version,
135 data->ocd_grant, data->ocd_index, data->ocd_group);
137 if (fed->fed_group != 0 && fed->fed_group != data->ocd_group) {
138 CWARN("!!! This export (nid %s) used object group %d "
139 "earlier; now it's trying to use group %d! This could "
140 "be a bug in the MDS. Please report to "
141 "http://bugs.whamcloud.com/\n",
142 obd_export_nid2str(exp), fed->fed_group,
146 fed->fed_group = data->ocd_group;
148 data->ocd_connect_flags &= OST_CONNECT_SUPPORTED;
149 exp->exp_connect_flags = data->ocd_connect_flags;
150 data->ocd_version = LUSTRE_VERSION_CODE;
152 /* Kindly make sure the SKIP_ORPHAN flag is from MDS. */
153 if (data->ocd_connect_flags & OBD_CONNECT_MDS)
154 CDEBUG(D_HA, "%s: Received MDS connection for group %u\n",
155 exp->exp_obd->obd_name, data->ocd_group);
156 else if (data->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN)
159 if (ofd_grant_param_supp(exp)) {
160 exp->exp_filter_data.fed_pagesize = data->ocd_blocksize;
161 /* ocd_{blocksize,inodespace} are log2 values */
162 data->ocd_blocksize = ofd->ofd_blockbits;
163 data->ocd_inodespace = ofd->ofd_dt_conf.ddp_inodespace;
164 /* ocd_grant_extent is in 1K blocks */
165 data->ocd_grant_extent = ofd->ofd_dt_conf.ddp_grant_frag >> 10;
168 if (exp->exp_connect_flags & OBD_CONNECT_GRANT)
169 data->ocd_grant = ofd_grant_connect(env, exp, data->ocd_grant);
171 if (data->ocd_connect_flags & OBD_CONNECT_INDEX) {
172 struct lr_server_data *lsd = &ofd->ofd_lut.lut_lsd;
173 int index = lsd->lsd_osd_index;
175 if (index != data->ocd_index) {
176 LCONSOLE_ERROR_MSG(0x136, "Connection from %s to index"
177 " %u doesn't match actual OST index"
178 " %u in last_rcvd file, bad "
180 obd_export_nid2str(exp), index,
184 if (!(lsd->lsd_feature_compat & OBD_COMPAT_OST)) {
185 /* this will only happen on the first connect */
186 lsd->lsd_feature_compat |= OBD_COMPAT_OST;
187 /* sync is not needed here as lut_client_add will
188 * set exp_need_sync flag */
189 tgt_server_data_update(env, &ofd->ofd_lut, 0);
192 if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_SIZE)) {
193 data->ocd_brw_size = 65536;
194 } else if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
195 data->ocd_brw_size = min(data->ocd_brw_size,
196 (__u32)(PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT));
197 if (data->ocd_brw_size == 0) {
198 CERROR("%s: cli %s/%p ocd_connect_flags: "LPX64
199 " ocd_version: %x ocd_grant: %d ocd_index: %u "
200 "ocd_brw_size is unexpectedly zero, "
201 "network data corruption?"
202 "Refusing connection of this client\n",
203 exp->exp_obd->obd_name,
204 exp->exp_client_uuid.uuid,
205 exp, data->ocd_connect_flags, data->ocd_version,
206 data->ocd_grant, data->ocd_index);
211 if (data->ocd_connect_flags & OBD_CONNECT_CKSUM) {
212 __u32 cksum_types = data->ocd_cksum_types;
214 /* The client set in ocd_cksum_types the checksum types it
215 * supports. We have to mask off the algorithms that we don't
217 data->ocd_cksum_types &= cksum_types_supported_server();
219 if (unlikely(data->ocd_cksum_types == 0)) {
220 CERROR("%s: Connect with checksum support but no "
221 "ocd_cksum_types is set\n",
222 exp->exp_obd->obd_name);
226 CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return "
227 "%x\n", exp->exp_obd->obd_name, obd_export_nid2str(exp),
228 cksum_types, data->ocd_cksum_types);
230 /* This client does not support OBD_CONNECT_CKSUM
231 * fall back to CRC32 */
232 CDEBUG(D_RPCTRACE, "%s: cli %s does not support "
233 "OBD_CONNECT_CKSUM, CRC32 will be used\n",
234 exp->exp_obd->obd_name, obd_export_nid2str(exp));
237 if (data->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
238 data->ocd_maxbytes = ofd->ofd_dt_conf.ddp_maxbytes;
243 static int ofd_obd_reconnect(const struct lu_env *env, struct obd_export *exp,
244 struct obd_device *obd, struct obd_uuid *cluuid,
245 struct obd_connect_data *data, void *localdata)
247 struct ofd_device *ofd;
252 if (exp == NULL || obd == NULL || cluuid == NULL)
255 ofd = ofd_dev(obd->obd_lu_dev);
257 rc = lu_env_refill((struct lu_env *)env);
259 CERROR("Failure to refill session: '%d'\n", rc);
263 ofd_info_init(env, exp);
264 rc = ofd_parse_connect_data(env, exp, data);
266 ofd_export_stats_init(ofd, exp, localdata);
271 static int ofd_obd_connect(const struct lu_env *env, struct obd_export **_exp,
272 struct obd_device *obd, struct obd_uuid *cluuid,
273 struct obd_connect_data *data, void *localdata)
275 struct obd_export *exp;
276 struct ofd_device *ofd;
277 struct lustre_handle conn = { 0 };
281 if (_exp == NULL || obd == NULL || cluuid == NULL)
284 ofd = ofd_dev(obd->obd_lu_dev);
286 rc = class_connect(&conn, obd, cluuid);
290 exp = class_conn2export(&conn);
291 LASSERT(exp != NULL);
293 rc = lu_env_refill((struct lu_env *)env);
295 CERROR("Failure to refill session: '%d'\n", rc);
299 ofd_info_init(env, exp);
301 rc = ofd_parse_connect_data(env, exp, data);
305 if (obd->obd_replayable) {
306 struct tg_export_data *ted = &exp->exp_target_data;
308 memcpy(ted->ted_lcd->lcd_uuid, cluuid,
309 sizeof(ted->ted_lcd->lcd_uuid));
310 rc = tgt_client_new(env, exp);
313 ofd_export_stats_init(ofd, exp, localdata);
316 CDEBUG(D_HA, "%s: get connection from MDS %d\n", obd->obd_name,
321 class_disconnect(exp);
329 static int ofd_obd_disconnect(struct obd_export *exp)
331 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
338 class_export_get(exp);
340 if (!(exp->exp_flags & OBD_OPT_FORCE))
341 ofd_grant_sanity_check(ofd_obd(ofd), __FUNCTION__);
343 rc = server_disconnect_export(exp);
345 ofd_grant_discard(exp);
347 rc = lu_env_init(&env, LCT_DT_THREAD);
351 /* Do not erase record for recoverable client. */
352 if (exp->exp_obd->obd_replayable &&
353 (!exp->exp_obd->obd_fail || exp->exp_failed))
354 tgt_client_del(&env, exp);
357 class_export_put(exp);
361 static int ofd_init_export(struct obd_export *exp)
365 spin_lock_init(&exp->exp_filter_data.fed_lock);
366 CFS_INIT_LIST_HEAD(&exp->exp_filter_data.fed_mod_list);
367 spin_lock(&exp->exp_lock);
368 exp->exp_connecting = 1;
369 spin_unlock(&exp->exp_lock);
371 /* self-export doesn't need client data and ldlm initialization */
372 if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
373 &exp->exp_client_uuid)))
376 rc = tgt_client_alloc(exp);
378 ldlm_init_export(exp);
380 CERROR("%s: Can't initialize export: rc %d\n",
381 exp->exp_obd->obd_name, rc);
385 static int ofd_destroy_export(struct obd_export *exp)
387 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
389 if (exp->exp_filter_data.fed_pending)
390 CERROR("%s: cli %s/%p has %lu pending on destroyed export"
391 "\n", exp->exp_obd->obd_name, exp->exp_client_uuid.uuid,
392 exp, exp->exp_filter_data.fed_pending);
394 target_destroy_export(exp);
396 if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
397 &exp->exp_client_uuid)))
400 ldlm_destroy_export(exp);
401 tgt_client_free(exp);
403 ofd_fmd_cleanup(exp);
406 * discard grants once we're sure no more
407 * interaction with the client is possible
409 ofd_grant_discard(exp);
410 ofd_fmd_cleanup(exp);
412 if (exp->exp_connect_flags & OBD_CONNECT_GRANT_SHRINK) {
413 if (ofd->ofd_tot_granted_clients > 0)
414 ofd->ofd_tot_granted_clients --;
417 if (!(exp->exp_flags & OBD_OPT_FORCE))
418 ofd_grant_sanity_check(exp->exp_obd, __FUNCTION__);
420 LASSERT(cfs_list_empty(&exp->exp_filter_data.fed_mod_list));
424 int ofd_postrecov(const struct lu_env *env, struct ofd_device *ofd)
426 struct lu_device *ldev = &ofd->ofd_dt_dev.dd_lu_dev;
428 CDEBUG(D_HA, "%s: recovery is over\n", ofd_obd(ofd)->obd_name);
429 return ldev->ld_ops->ldo_recovery_complete(env, ldev);
432 int ofd_obd_postrecov(struct obd_device *obd)
435 struct lu_device *ldev = obd->obd_lu_dev;
440 rc = lu_env_init(&env, LCT_DT_THREAD);
443 ofd_info_init(&env, obd->obd_self_export);
445 rc = ofd_postrecov(&env, ofd_dev(ldev));
451 static int ofd_adapt_sptlrpc_conf(const struct lu_env *env,
452 struct obd_device *obd, int initial)
454 struct filter_obd *fo = &obd->u.filter;
455 struct sptlrpc_rule_set tmp_rset;
458 sptlrpc_rule_set_init(&tmp_rset);
459 rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial);
461 CERROR("%s: failed get sptlrpc rules: rc = %d\n",
466 sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
468 write_lock(&fo->fo_sptlrpc_lock);
469 sptlrpc_rule_set_free(&fo->fo_sptlrpc_rset);
470 fo->fo_sptlrpc_rset = tmp_rset;
471 write_unlock(&fo->fo_sptlrpc_lock);
476 static int ofd_set_mds_conn(struct obd_export *exp, void *val)
482 LCONSOLE_WARN("%s: received MDS connection from %s\n",
483 exp->exp_obd->obd_name, obd_export_nid2str(exp));
487 static int ofd_set_info_async(const struct lu_env *env, struct obd_export *exp,
488 __u32 keylen, void *key, __u32 vallen, void *val,
489 struct ptlrpc_request_set *set)
491 struct ofd_device *ofd;
496 if (exp->exp_obd == NULL) {
497 CDEBUG(D_IOCTL, "invalid export %p\n", exp);
503 if (KEY_IS(KEY_CAPA_KEY)) {
504 rc = ofd_update_capa_key(ofd, val);
506 CERROR("%s: update capability key failed: rc = %d\n",
507 exp->exp_obd->obd_name, rc);
508 } else if (KEY_IS(KEY_SPTLRPC_CONF)) {
509 ofd_adapt_sptlrpc_conf(env, exp->exp_obd, 0);
510 } else if (KEY_IS(KEY_MDS_CONN)) {
511 rc = ofd_set_mds_conn(exp, val);
512 } else if (KEY_IS(KEY_GRANT_SHRINK)) {
513 struct ost_body *body = val;
515 ofd_info_init(env, exp);
516 /** handle grant shrink, similar to a read request */
517 ofd_grant_prepare_read(env, exp, &body->oa);
519 CERROR("%s: Unsupported key %s\n",
520 exp->exp_obd->obd_name, (char*)key);
527 static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
528 __u32 keylen, void *key, __u32 *vallen, void *val,
529 struct lov_stripe_md *lsm)
531 struct ofd_device *ofd;
536 if (exp->exp_obd == NULL) {
537 CDEBUG(D_IOCTL, "invalid client export %p\n", exp);
543 if (KEY_IS(KEY_BLOCKSIZE)) {
544 __u32 *blocksize = val;
546 if (*vallen < sizeof(*blocksize))
548 *blocksize = 1 << ofd->ofd_dt_conf.ddp_block_shift;
550 *vallen = sizeof(*blocksize);
551 } else if (KEY_IS(KEY_BLOCKSIZE_BITS)) {
552 __u32 *blocksize_bits = val;
553 if (blocksize_bits) {
554 if (*vallen < sizeof(*blocksize_bits))
556 *blocksize_bits = ofd->ofd_dt_conf.ddp_block_shift;
558 *vallen = sizeof(*blocksize_bits);
559 } else if (KEY_IS(KEY_LAST_ID)) {
560 obd_id *last_id = val;
561 struct ofd_seq *oseq;
564 *vallen = sizeof(obd_id);
567 ofd_info_init(env, exp);
568 oseq = ofd_seq_load(env, ofd,
569 (obd_seq)exp->exp_filter_data.fed_group);
570 LASSERT(oseq != NULL);
572 if (*vallen < sizeof(*last_id)) {
573 ofd_seq_put(env, oseq);
576 *last_id = ofd_seq_last_oid(oseq);
578 ofd_seq_put(env, oseq);
579 *vallen = sizeof(*last_id);
580 } else if (KEY_IS(KEY_FIEMAP)) {
581 struct ofd_thread_info *info;
582 struct ofd_device *ofd = ofd_exp(exp);
583 struct ofd_object *fo;
584 struct ll_fiemap_info_key *fm_key = key;
587 *vallen = fiemap_count_to_size(
588 fm_key->fiemap.fm_extent_count);
592 info = ofd_info_init(env, exp);
594 fid_ostid_unpack(&info->fti_fid, &fm_key->oa.o_oi, 0);
596 CDEBUG(D_INODE, "get FIEMAP of object "DFID"\n",
597 PFID(&info->fti_fid));
599 fo = ofd_object_find(env, ofd, &info->fti_fid);
601 CERROR("%s: error finding object "DFID"\n",
602 exp->exp_obd->obd_name, PFID(&info->fti_fid));
605 struct ll_user_fiemap *fiemap = val;
607 ofd_read_lock(env, fo);
608 if (ofd_object_exists(fo)) {
609 *fiemap = fm_key->fiemap;
610 rc = dt_fiemap_get(env,
611 ofd_object_child(fo),
616 ofd_read_unlock(env, fo);
617 ofd_object_put(env, fo);
619 } else if (KEY_IS(KEY_SYNC_LOCK_CANCEL)) {
620 *((__u32 *) val) = ofd->ofd_sync_lock_cancel;
621 *vallen = sizeof(__u32);
622 } else if (KEY_IS(KEY_LAST_FID)) {
624 struct ofd_device *ofd = ofd_exp(exp);
625 struct ofd_seq *oseq;
626 struct lu_fid *last_fid = val;
629 if (last_fid == NULL) {
630 *vallen = sizeof(struct lu_fid);
634 if (*vallen < sizeof(*last_fid))
637 rc = lu_env_init(&env, LCT_DT_THREAD);
640 ofd_info_init(&env, exp);
641 fid_le_to_cpu(last_fid, last_fid);
642 oseq = ofd_seq_load(&env, ofd, fid_seq(last_fid));
644 GOTO(out_fid, rc = PTR_ERR(oseq));
646 last_fid->f_seq = oseq->os_seq;
647 last_fid->f_oid = oseq->os_last_oid;
648 fid_cpu_to_le(last_fid, last_fid);
650 *vallen = sizeof(*last_fid);
651 ofd_seq_put(&env, oseq);
655 CERROR("Not supported key %s\n", (char*)key);
662 /** helper function for statfs, also used by grant code */
663 int ofd_statfs_internal(const struct lu_env *env, struct ofd_device *ofd,
664 struct obd_statfs *osfs, __u64 max_age, int *from_cache)
668 spin_lock(&ofd->ofd_osfs_lock);
669 if (cfs_time_before_64(ofd->ofd_osfs_age, max_age) || max_age == 0) {
672 /* statfs data are too old, get up-to-date one.
673 * we must be cautious here since multiple threads might be
674 * willing to update statfs data concurrently and we must
675 * grant that cached statfs data are always consistent */
677 if (ofd->ofd_statfs_inflight == 0)
678 /* clear inflight counter if no users, although it would
679 * take a while to overflow this 64-bit counter ... */
680 ofd->ofd_osfs_inflight = 0;
681 /* notify ofd_grant_commit() that we want to track writes
682 * completed as of now */
683 ofd->ofd_statfs_inflight++;
684 /* record value of inflight counter before running statfs to
685 * compute the diff once statfs is completed */
686 unstable = ofd->ofd_osfs_inflight;
687 spin_unlock(&ofd->ofd_osfs_lock);
689 /* statfs can sleep ... hopefully not for too long since we can
690 * call it fairly often as space fills up */
691 rc = dt_statfs(env, ofd->ofd_osd, osfs);
695 spin_lock(&ofd->ofd_grant_lock);
696 spin_lock(&ofd->ofd_osfs_lock);
697 /* calculate how much space was written while we released the
699 unstable = ofd->ofd_osfs_inflight - unstable;
700 ofd->ofd_osfs_unstable = 0;
702 /* some writes completed while we were running statfs
703 * w/o the ofd_osfs_lock. Those ones got added to
704 * the cached statfs data that we are about to crunch.
705 * Take them into account in the new statfs data */
706 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
707 unstable >> ofd->ofd_blockbits);
708 /* However, we don't really know if those writes got
709 * accounted in the statfs call, so tell
710 * ofd_grant_space_left() there is some uncertainty
711 * on the accounting of those writes.
712 * The purpose is to prevent spurious error messages in
713 * ofd_grant_space_left() since those writes might be
714 * accounted twice. */
715 ofd->ofd_osfs_unstable += unstable;
717 /* similarly, there is some uncertainty on write requests
718 * between prepare & commit */
719 ofd->ofd_osfs_unstable += ofd->ofd_tot_pending;
720 spin_unlock(&ofd->ofd_grant_lock);
722 /* finally udpate cached statfs data */
723 ofd->ofd_osfs = *osfs;
724 ofd->ofd_osfs_age = cfs_time_current_64();
726 ofd->ofd_statfs_inflight--; /* stop tracking */
727 if (ofd->ofd_statfs_inflight == 0)
728 ofd->ofd_osfs_inflight = 0;
729 spin_unlock(&ofd->ofd_osfs_lock);
734 /* use cached statfs data */
735 *osfs = ofd->ofd_osfs;
736 spin_unlock(&ofd->ofd_osfs_lock);
743 static int ofd_statfs(const struct lu_env *env, struct obd_export *exp,
744 struct obd_statfs *osfs, __u64 max_age, __u32 flags)
746 struct obd_device *obd = class_exp2obd(exp);
747 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
752 rc = ofd_statfs_internal(env, ofd, osfs, max_age, NULL);
756 /* at least try to account for cached pages. its still racy and
757 * might be under-reporting if clients haven't announced their
758 * caches with brw recently */
760 CDEBUG(D_SUPER | D_CACHE, "blocks cached "LPU64" granted "LPU64
761 " pending "LPU64" free "LPU64" avail "LPU64"\n",
762 ofd->ofd_tot_dirty, ofd->ofd_tot_granted, ofd->ofd_tot_pending,
763 osfs->os_bfree << ofd->ofd_blockbits,
764 osfs->os_bavail << ofd->ofd_blockbits);
766 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
767 ((ofd->ofd_tot_dirty + ofd->ofd_tot_pending +
768 osfs->os_bsize - 1) >> ofd->ofd_blockbits));
770 /* The QoS code on the MDS does not care about space reserved for
771 * precreate, so take it out. */
772 if (exp->exp_connect_flags & OBD_CONNECT_MDS) {
773 struct filter_export_data *fed;
775 fed = &obd->obd_self_export->exp_filter_data;
776 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
777 fed->fed_grant >> ofd->ofd_blockbits);
780 ofd_grant_sanity_check(obd, __FUNCTION__);
781 CDEBUG(D_CACHE, LPU64" blocks: "LPU64" free, "LPU64" avail; "
782 LPU64" objects: "LPU64" free; state %x\n",
783 osfs->os_blocks, osfs->os_bfree, osfs->os_bavail,
784 osfs->os_files, osfs->os_ffree, osfs->os_state);
786 if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOINO,
787 ofd->ofd_lut.lut_lsd.lsd_osd_index))
790 /* OS_STATE_READONLY can be set by OSD already */
791 if (ofd->ofd_raid_degraded)
792 osfs->os_state |= OS_STATE_DEGRADED;
794 if (obd->obd_self_export != exp && ofd_grant_compat(exp, ofd)) {
795 /* clients which don't support OBD_CONNECT_GRANT_PARAM
796 * should not see a block size > page size, otherwise
797 * cl_lost_grant goes mad. Therefore, we emulate a 4KB (=2^12)
798 * block size which is the biggest block size known to work
799 * with all client's page size. */
800 osfs->os_blocks <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
801 osfs->os_bfree <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
802 osfs->os_bavail <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
803 osfs->os_bsize = 1 << COMPAT_BSIZE_SHIFT;
806 if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOSPC,
807 ofd->ofd_lut.lut_lsd.lsd_osd_index))
808 osfs->os_bfree = osfs->os_bavail = 2;
815 int ofd_setattr(const struct lu_env *env, struct obd_export *exp,
816 struct obd_info *oinfo, struct obd_trans_info *oti)
818 struct ofd_thread_info *info;
819 struct ofd_device *ofd = ofd_exp(exp);
820 struct ldlm_namespace *ns = ofd->ofd_namespace;
821 struct ldlm_resource *res;
822 struct ofd_object *fo;
823 struct obdo *oa = oinfo->oi_oa;
824 struct filter_fid *ff = NULL;
829 info = ofd_info_init(env, exp);
830 ofd_oti2info(info, oti);
832 fid_ostid_unpack(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
833 ofd_build_resid(&info->fti_fid, &info->fti_resid);
835 rc = ofd_auth_capa(exp, &info->fti_fid, oa->o_seq,
836 oinfo_capa(oinfo), CAPA_OPC_META_WRITE);
840 /* This would be very bad - accidentally truncating a file when
841 * changing the time or similar - bug 12203. */
842 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE &&
843 oinfo->oi_policy.l_extent.end != OBD_OBJECT_EOF) {
844 static char mdsinum[48];
846 if (oinfo->oi_oa->o_valid & OBD_MD_FLFID)
847 snprintf(mdsinum, sizeof(mdsinum) - 1,
848 "of parent "DFID, oinfo->oi_oa->o_parent_seq,
849 oinfo->oi_oa->o_parent_oid, 0);
853 CERROR("%s: setattr from %s trying to truncate object "DFID
854 " %s\n", exp->exp_obd->obd_name,
855 obd_export_nid2str(exp), PFID(&info->fti_fid), mdsinum);
856 GOTO(out, rc = -EPERM);
859 fo = ofd_object_find(env, ofd, &info->fti_fid);
861 CERROR("%s: can't find object "DFID"\n",
862 exp->exp_obd->obd_name, PFID(&info->fti_fid));
863 GOTO(out, rc = PTR_ERR(fo));
866 la_from_obdo(&info->fti_attr, oinfo->oi_oa, oinfo->oi_oa->o_valid);
867 info->fti_attr.la_valid &= ~LA_TYPE;
869 if (oa->o_valid & OBD_MD_FLFID) {
870 ff = &info->fti_mds_fid;
871 ofd_prepare_fidea(ff, oa);
874 /* setting objects attributes (including owner/group) */
875 rc = ofd_attr_set(env, fo, &info->fti_attr, ff);
877 GOTO(out_unlock, rc);
879 res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
881 ldlm_res_lvbo_update(res, NULL, 0);
882 ldlm_resource_putref(res);
885 oinfo->oi_oa->o_valid = OBD_MD_FLID;
887 /* Quota release needs uid/gid info */
888 rc = ofd_attr_get(env, fo, &info->fti_attr);
889 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
890 OFD_VALID_FLAGS | LA_UID | LA_GID);
891 ofd_info2oti(info, oti);
893 ofd_counter_incr(exp, LPROC_OFD_STATS_SETATTR, oti->oti_jobid, 1);
896 ofd_object_put(env, fo);
901 static int ofd_punch(const struct lu_env *env, struct obd_export *exp,
902 struct obd_info *oinfo, struct obd_trans_info *oti,
903 struct ptlrpc_request_set *rqset)
905 struct ofd_thread_info *info;
906 struct ofd_device *ofd = ofd_exp(exp);
907 struct ldlm_namespace *ns = ofd->ofd_namespace;
908 struct ldlm_resource *res;
909 struct ofd_object *fo;
910 struct filter_fid *ff = NULL;
915 info = ofd_info_init(env, exp);
916 ofd_oti2info(info, oti);
918 fid_ostid_unpack(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
919 ofd_build_resid(&info->fti_fid, &info->fti_resid);
921 CDEBUG(D_INODE, "calling punch for object "DFID", valid = "LPX64
922 ", start = "LPD64", end = "LPD64"\n", PFID(&info->fti_fid),
923 oinfo->oi_oa->o_valid, oinfo->oi_policy.l_extent.start,
924 oinfo->oi_policy.l_extent.end);
926 rc = ofd_auth_capa(exp, &info->fti_fid, oinfo->oi_oa->o_seq,
927 oinfo_capa(oinfo), CAPA_OPC_OSS_TRUNC);
931 fo = ofd_object_find(env, ofd, &info->fti_fid);
933 CERROR("%s: error finding object "DFID": rc = %ld\n",
934 exp->exp_obd->obd_name, PFID(&info->fti_fid),
936 GOTO(out_env, rc = PTR_ERR(fo));
939 LASSERT(oinfo->oi_policy.l_extent.end == OBD_OBJECT_EOF);
940 if (oinfo->oi_policy.l_extent.end == OBD_OBJECT_EOF) {
942 oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.start;
943 } else if (oinfo->oi_policy.l_extent.end >= oinfo->oi_oa->o_size) {
944 oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.end;
947 la_from_obdo(&info->fti_attr, oinfo->oi_oa,
948 OBD_MD_FLMTIME | OBD_MD_FLATIME | OBD_MD_FLCTIME);
949 info->fti_attr.la_valid &= ~LA_TYPE;
950 info->fti_attr.la_size = oinfo->oi_policy.l_extent.start;
951 info->fti_attr.la_valid |= LA_SIZE;
953 if (oinfo->oi_oa->o_valid & OBD_MD_FLFID) {
954 ff = &info->fti_mds_fid;
955 ofd_prepare_fidea(ff, oinfo->oi_oa);
958 rc = ofd_object_punch(env, fo, oinfo->oi_policy.l_extent.start,
959 oinfo->oi_policy.l_extent.end, &info->fti_attr,
964 res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
966 ldlm_res_lvbo_update(res, NULL, 0);
967 ldlm_resource_putref(res);
970 oinfo->oi_oa->o_valid = OBD_MD_FLID;
971 /* Quota release needs uid/gid info */
972 rc = ofd_attr_get(env, fo, &info->fti_attr);
973 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
974 OFD_VALID_FLAGS | LA_UID | LA_GID);
975 ofd_info2oti(info, oti);
977 ofd_counter_incr(exp, LPROC_OFD_STATS_PUNCH, oti->oti_jobid, 1);
980 ofd_object_put(env, fo);
985 static int ofd_destroy_by_fid(const struct lu_env *env,
986 struct ofd_device *ofd,
987 const struct lu_fid *fid, int orphan)
989 struct ofd_thread_info *info = ofd_info(env);
990 struct lustre_handle lockh;
991 __u64 flags = LDLM_AST_DISCARD_DATA, rc = 0;
992 ldlm_policy_data_t policy = {
993 .l_extent = { 0, OBD_OBJECT_EOF }
995 struct ofd_object *fo;
999 fo = ofd_object_find(env, ofd, fid);
1001 RETURN(PTR_ERR(fo));
1003 /* Tell the clients that the object is gone now and that they should
1004 * throw away any cached pages. */
1005 ofd_build_resid(fid, &info->fti_resid);
1006 rc = ldlm_cli_enqueue_local(ofd->ofd_namespace, &info->fti_resid,
1007 LDLM_EXTENT, &policy, LCK_PW, &flags,
1008 ldlm_blocking_ast, ldlm_completion_ast,
1009 NULL, NULL, 0, LVB_T_NONE, NULL, &lockh);
1011 /* We only care about the side-effects, just drop the lock. */
1013 ldlm_lock_decref(&lockh, LCK_PW);
1015 LASSERT(fo != NULL);
1017 rc = ofd_object_destroy(env, fo, orphan);
1019 ofd_object_put(env, fo);
1023 int ofd_destroy(const struct lu_env *env, struct obd_export *exp,
1024 struct obdo *oa, struct lov_stripe_md *md,
1025 struct obd_trans_info *oti, struct obd_export *md_exp,
1028 struct ofd_device *ofd = ofd_exp(exp);
1029 struct ofd_thread_info *info;
1035 info = ofd_info_init(env, exp);
1036 ofd_oti2info(info, oti);
1038 if (!(oa->o_valid & OBD_MD_FLGROUP))
1041 /* check that o_misc makes sense */
1042 if (oa->o_valid & OBD_MD_FLOBJCOUNT)
1045 count = 1; /* default case - single destroy */
1048 * There can be sequence of objects to destroy. Therefore this request
1049 * may have multiple transaction involved in. It is OK, we need only
1050 * the highest used transno to be reported back in reply but not for
1051 * replays, they must report their transno
1053 if (info->fti_transno == 0) /* not replay */
1054 info->fti_mult_trans = 1;
1058 fid_ostid_unpack(&info->fti_fid, &oa->o_oi, 0);
1059 lrc = ofd_destroy_by_fid(env, ofd, &info->fti_fid, 0);
1060 if (lrc == -ENOENT) {
1062 "%s: destroying non-existent object "DFID"\n",
1063 ofd_obd(ofd)->obd_name, PFID(&info->fti_fid));
1064 /* rewrite rc with -ENOENT only if it is 0 */
1067 } else if (lrc != 0) {
1068 CERROR("%s: error destroying object "DFID": %d\n",
1069 ofd_obd(ofd)->obd_name, PFID(&info->fti_fid),
1077 /* if we have transaction then there were some deletions, we don't
1078 * need to return ENOENT in that case because it will not wait
1079 * for commit of these deletions. The ENOENT must be returned only
1080 * if there were no transations.
1082 if (rc == -ENOENT) {
1083 if (info->fti_transno != 0)
1085 } else if (rc != 0) {
1087 * If we have at least one transaction then llog record
1088 * on server will be removed upon commit, so for rc != 0
1089 * we return no transno and llog record will be reprocessed.
1091 info->fti_transno = 0;
1093 ofd_info2oti(info, oti);
1097 static int ofd_orphans_destroy(const struct lu_env *env,
1098 struct obd_export *exp, struct ofd_device *ofd,
1101 struct ofd_thread_info *info = ofd_info(env);
1105 struct ost_id oi = oa->o_oi;
1106 struct ofd_seq *oseq;
1110 oseq = ofd_seq_get(ofd, oa->o_seq);
1112 CERROR("%s: Can not find seq for "LPU64":"LPU64"\n",
1113 ofd_name(ofd), oa->o_seq, oa->o_id);
1117 LASSERT(exp != NULL);
1118 skip_orphan = !!(exp->exp_connect_flags & OBD_CONNECT_SKIP_ORPHAN);
1120 last = ofd_seq_last_oid(oseq);
1121 LCONSOLE_INFO("%s: deleting orphan objects from "LPX64":"LPU64
1122 " to "LPU64"\n", ofd_name(ofd), oa->o_seq,
1123 oa->o_id + 1, last);
1125 for (oi.oi_id = last; oi.oi_id > oa->o_id; oi.oi_id--) {
1126 fid_ostid_unpack(&info->fti_fid, &oi, 0);
1127 rc = ofd_destroy_by_fid(env, ofd, &info->fti_fid, 1);
1128 if (rc && rc != -ENOENT) /* this is pretty fatal... */
1129 CEMERG("error destroying precreated id "LPU64": %d\n",
1132 ofd_seq_last_oid_set(oseq, oi.oi_id - 1);
1133 /* update last_id on disk periodically so that if we
1134 * restart * we don't need to re-scan all of the just
1135 * deleted objects. */
1136 if ((oi.oi_id & 511) == 0)
1137 ofd_seq_last_oid_write(env, ofd, oseq);
1140 CDEBUG(D_HA, "%s: after destroy: set last_objids["LPU64"] = "LPU64"\n",
1141 ofd_obd(ofd)->obd_name, oa->o_seq, oa->o_id);
1143 rc = ofd_seq_last_oid_write(env, ofd, oseq);
1145 /* don't reuse orphan object, return last used objid */
1149 ofd_seq_put(env, oseq);
1153 int ofd_create(const struct lu_env *env, struct obd_export *exp,
1154 struct obdo *oa, struct lov_stripe_md **ea,
1155 struct obd_trans_info *oti)
1157 struct ofd_device *ofd = ofd_exp(exp);
1158 struct ofd_thread_info *info;
1159 obd_seq seq = oa->o_seq;
1160 struct ofd_seq *oseq;
1166 info = ofd_info_init(env, exp);
1167 ofd_oti2info(info, oti);
1169 LASSERT(oa->o_seq >= FID_SEQ_OST_MDT0);
1170 LASSERT(oa->o_valid & OBD_MD_FLGROUP);
1172 CDEBUG(D_INFO, "ofd_create(oa->o_seq="LPU64",oa->o_id="LPU64")\n",
1175 oseq = ofd_seq_load(env, ofd, seq);
1177 CERROR("%s: Can't find oseq "LPX64"\n", ofd_name(ofd), seq);
1181 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
1182 (oa->o_flags & OBD_FL_RECREATE_OBJS)) {
1183 if (!ofd_obd(ofd)->obd_recovering ||
1184 oa->o_id > ofd_seq_last_oid(oseq)) {
1185 CERROR("recreate objid "LPU64" > last id "LPU64"\n",
1186 oa->o_id, ofd_seq_last_oid(oseq));
1187 GOTO(out_nolock, rc = -EINVAL);
1189 /* do nothing because we create objects during first write */
1190 GOTO(out_nolock, rc = 0);
1192 /* former ofd_handle_precreate */
1193 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
1194 (oa->o_flags & OBD_FL_DELORPHAN)) {
1195 /* destroy orphans */
1196 if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
1197 CERROR("%s: dropping old orphan cleanup request\n",
1199 GOTO(out_nolock, rc = 0);
1201 /* This causes inflight precreates to abort and drop lock */
1202 oseq->os_destroys_in_progress = 1;
1203 mutex_lock(&oseq->os_create_lock);
1204 if (!oseq->os_destroys_in_progress) {
1205 CERROR("%s:["LPU64"] destroys_in_progress already cleared\n",
1206 exp->exp_obd->obd_name, oa->o_seq);
1209 diff = oa->o_id - ofd_seq_last_oid(oseq);
1210 CDEBUG(D_HA, "ofd_last_id() = "LPU64" -> diff = %d\n",
1211 ofd_seq_last_oid(oseq), diff);
1212 if (-diff > OST_MAX_PRECREATE) {
1213 /* FIXME: should reset precreate_next_id on MDS */
1215 } else if (diff < 0) {
1216 rc = ofd_orphans_destroy(env, exp, ofd, oa);
1217 oseq->os_destroys_in_progress = 0;
1219 /* XXX: Used by MDS for the first time! */
1220 oseq->os_destroys_in_progress = 0;
1223 mutex_lock(&oseq->os_create_lock);
1224 if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
1225 CERROR("%s: dropping old precreate request\n",
1226 ofd_obd(ofd)->obd_name);
1229 /* only precreate if seq is 0, IDIF or normal and also o_id
1230 * must be specfied */
1231 if ((!fid_seq_is_mdt(oa->o_seq) &&
1232 !fid_seq_is_norm(oa->o_seq) &&
1233 !fid_seq_is_idif(oa->o_seq)) || oa->o_id == 0) {
1234 diff = 1; /* shouldn't we create this right now? */
1236 diff = oa->o_id - ofd_seq_last_oid(oseq);
1237 /* Do sync create if the seq is about to used up */
1238 if (fid_seq_is_idif(oa->o_seq) ||
1239 fid_seq_is_mdt0(oa->o_seq)) {
1240 if (unlikely(oa->o_id >= IDIF_MAX_OID - 1))
1242 } else if (fid_seq_is_norm(oa->o_seq)) {
1243 if (unlikely(oa->o_id >=
1244 LUSTRE_DATA_SEQ_MAX_WIDTH - 1))
1247 CERROR("%s : invalid o_seq "LPX64": rc = %d\n",
1248 ofd_name(ofd), oa->o_seq, -EINVAL);
1249 GOTO(out, rc = -EINVAL);
1254 cfs_time_t enough_time = cfs_time_shift(DISK_TIMEOUT);
1259 if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
1260 !(oa->o_flags & OBD_FL_DELORPHAN)) {
1261 /* don't enforce grant during orphan recovery */
1262 rc = ofd_grant_create(env,
1263 ofd_obd(ofd)->obd_self_export,
1266 CDEBUG(D_HA, "%s: failed to acquire grant space"
1267 "for precreate (%d)\n",
1268 ofd_name(ofd), diff);
1274 next_id = ofd_seq_last_oid(oseq) + 1;
1275 count = ofd_precreate_batch(ofd, diff);
1277 CDEBUG(D_HA, "%s: reserve %d objects in group "LPU64
1278 " at "LPU64"\n", ofd_obd(ofd)->obd_name,
1279 count, oa->o_seq, next_id);
1281 if (cfs_time_after(jiffies, enough_time)) {
1282 LCONSOLE_WARN("%s: Slow creates, %d/%d objects"
1283 " created at a rate of %d/s\n",
1284 ofd_obd(ofd)->obd_name,
1285 created, diff + created,
1286 created / DISK_TIMEOUT);
1290 rc = ofd_precreate_objects(env, ofd, next_id,
1291 oseq, count, sync_trans);
1295 } else if (rc < 0) {
1300 /* some objects got created, we can return
1301 * them, even if last creation failed */
1304 CERROR("unable to precreate: %d\n", rc);
1306 oa->o_id = ofd_seq_last_oid(oseq);
1307 oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
1309 if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
1310 !(oa->o_flags & OBD_FL_DELORPHAN))
1311 ofd_grant_commit(env, ofd_obd(ofd)->obd_self_export,
1315 ofd_info2oti(info, oti);
1317 mutex_unlock(&oseq->os_create_lock);
1319 if (rc == 0 && ea != NULL) {
1320 struct lov_stripe_md *lsm = *ea;
1322 lsm->lsm_object_id = oa->o_id;
1324 ofd_seq_put(env, oseq);
1328 int ofd_getattr(const struct lu_env *env, struct obd_export *exp,
1329 struct obd_info *oinfo)
1331 struct ofd_device *ofd = ofd_exp(exp);
1332 struct ofd_thread_info *info;
1333 struct ofd_object *fo;
1339 info = ofd_info_init(env, exp);
1341 fid_ostid_unpack(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
1342 rc = ofd_auth_capa(exp, &info->fti_fid, oinfo->oi_oa->o_seq,
1343 oinfo_capa(oinfo), CAPA_OPC_META_READ);
1347 fo = ofd_object_find(env, ofd, &info->fti_fid);
1349 GOTO(out, rc = PTR_ERR(fo));
1350 LASSERT(fo != NULL);
1351 rc = ofd_attr_get(env, fo, &info->fti_attr);
1352 oinfo->oi_oa->o_valid = OBD_MD_FLID;
1354 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
1355 OFD_VALID_FLAGS | LA_UID | LA_GID);
1357 /* Store object version in reply */
1358 curr_version = dt_version_get(env, ofd_object_child(fo));
1359 if ((__s64)curr_version != -EOPNOTSUPP) {
1360 oinfo->oi_oa->o_valid |= OBD_MD_FLDATAVERSION;
1361 oinfo->oi_oa->o_data_version = curr_version;
1363 ofd_object_put(env, fo);
1368 static int ofd_sync(const struct lu_env *env, struct obd_export *exp,
1369 struct obd_info *oinfo, obd_size start, obd_size end,
1370 struct ptlrpc_request_set *set)
1372 struct ofd_device *ofd = ofd_exp(exp);
1373 struct ofd_thread_info *info;
1374 struct ofd_object *fo;
1379 /* if no objid is specified, it means "sync whole filesystem" */
1380 if (oinfo->oi_oa == NULL || !(oinfo->oi_oa->o_valid & OBD_MD_FLID)) {
1381 rc = dt_sync(env, ofd->ofd_osd);
1385 info = ofd_info_init(env, exp);
1386 fid_ostid_unpack(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
1388 rc = ofd_auth_capa(exp, &info->fti_fid, oinfo->oi_oa->o_seq,
1389 oinfo_capa(oinfo), CAPA_OPC_OSS_TRUNC);
1393 fo = ofd_object_find(env, ofd, &info->fti_fid);
1395 CERROR("%s: error finding object "DFID": rc = %ld\n",
1396 exp->exp_obd->obd_name, PFID(&info->fti_fid),
1398 GOTO(out, rc = PTR_ERR(fo));
1401 if (!ofd_object_exists(fo))
1402 GOTO(put, rc = -ENOENT);
1404 if (dt_version_get(env, ofd_object_child(fo)) >
1405 ofd_obd(ofd)->obd_last_committed) {
1406 rc = dt_object_sync(env, ofd_object_child(fo));
1411 oinfo->oi_oa->o_valid = OBD_MD_FLID;
1412 rc = ofd_attr_get(env, fo, &info->fti_attr);
1413 obdo_from_la(oinfo->oi_oa, &info->fti_attr, OFD_VALID_FLAGS);
1415 ofd_counter_incr(exp, LPROC_OFD_STATS_SYNC, oinfo->oi_jobid, 1);
1418 ofd_object_put(env, fo);
1423 int ofd_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
1424 void *karg, void *uarg)
1427 struct ofd_device *ofd = ofd_exp(exp);
1428 struct obd_device *obd = ofd_obd(ofd);
1433 CDEBUG(D_IOCTL, "handling ioctl cmd %#x\n", cmd);
1434 rc = lu_env_init(&env, LCT_LOCAL);
1439 case OBD_IOC_ABORT_RECOVERY:
1440 CERROR("%s: aborting recovery\n", obd->obd_name);
1441 target_stop_recovery_thread(obd);
1444 CDEBUG(D_RPCTRACE, "syncing ost %s\n", obd->obd_name);
1445 rc = dt_sync(&env, ofd->ofd_osd);
1447 case OBD_IOC_SET_READONLY:
1448 rc = dt_sync(&env, ofd->ofd_osd);
1450 rc = dt_ro(&env, ofd->ofd_osd);
1453 CERROR("%s: not supported cmd = %d\n", obd->obd_name, cmd);
1461 static int ofd_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
1468 case OBD_CLEANUP_EARLY:
1470 case OBD_CLEANUP_EXPORTS:
1471 target_cleanup_recovery(obd);
1477 static int ofd_ping(const struct lu_env *env, struct obd_export *exp)
1479 ofd_fmd_expire(exp);
1483 static int ofd_health_check(const struct lu_env *nul, struct obd_device *obd)
1485 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
1486 struct ofd_thread_info *info;
1488 #ifdef USE_HEALTH_CHECK_WRITE
1493 /* obd_proc_read_health pass NULL env, we need real one */
1494 rc = lu_env_init(&env, LCT_DT_THREAD);
1498 info = ofd_info_init(&env, NULL);
1499 rc = dt_statfs(&env, ofd->ofd_osd, &info->fti_u.osfs);
1503 if (info->fti_u.osfs.os_state == OS_STATE_READONLY)
1504 GOTO(out, rc = -EROFS);
1506 #ifdef USE_HEALTH_CHECK_WRITE
1507 OBD_ALLOC(info->fti_buf.lb_buf, CFS_PAGE_SIZE);
1508 if (info->fti_buf.lb_buf == NULL)
1509 GOTO(out, rc = -ENOMEM);
1511 info->fti_buf.lb_len = CFS_PAGE_SIZE;
1514 th = dt_trans_create(&env, ofd->ofd_osd);
1516 GOTO(out, rc = PTR_ERR(th));
1518 rc = dt_declare_record_write(&env, ofd->ofd_health_check_file,
1519 info->fti_buf.lb_len, info->fti_off, th);
1521 th->th_sync = 1; /* sync IO is needed */
1522 rc = dt_trans_start_local(&env, ofd->ofd_osd, th);
1524 rc = dt_record_write(&env, ofd->ofd_health_check_file,
1525 &info->fti_buf, &info->fti_off,
1528 dt_trans_stop(&env, ofd->ofd_osd, th);
1530 OBD_FREE(info->fti_buf.lb_buf, CFS_PAGE_SIZE);
1532 CDEBUG(D_INFO, "write 1 page synchronously for checking io rc %d\n",rc);
1540 * Handle quota control requests to consult current usage/limit.
1542 * \param obd - is the obd device associated with the ofd
1543 * \param exp - is the client's export
1544 * \param oqctl - is the obd_quotactl request to be processed
1546 static int ofd_quotactl(struct obd_device *obd, struct obd_export *exp,
1547 struct obd_quotactl *oqctl)
1549 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
1554 /* report success for quota on/off for interoperability with current MDT
1556 if (oqctl->qc_cmd == Q_QUOTAON || oqctl->qc_cmd == Q_QUOTAOFF)
1559 rc = lu_env_init(&env, LCT_DT_THREAD);
1563 rc = lquotactl_slv(&env, ofd->ofd_osd, oqctl);
1569 struct obd_ops ofd_obd_ops = {
1570 .o_owner = THIS_MODULE,
1571 .o_connect = ofd_obd_connect,
1572 .o_reconnect = ofd_obd_reconnect,
1573 .o_disconnect = ofd_obd_disconnect,
1574 .o_set_info_async = ofd_set_info_async,
1575 .o_get_info = ofd_get_info,
1576 .o_create = ofd_create,
1577 .o_statfs = ofd_statfs,
1578 .o_setattr = ofd_setattr,
1579 .o_preprw = ofd_preprw,
1580 .o_commitrw = ofd_commitrw,
1581 .o_destroy = ofd_destroy,
1582 .o_init_export = ofd_init_export,
1583 .o_destroy_export = ofd_destroy_export,
1584 .o_postrecov = ofd_obd_postrecov,
1585 .o_punch = ofd_punch,
1586 .o_getattr = ofd_getattr,
1588 .o_iocontrol = ofd_iocontrol,
1589 .o_precleanup = ofd_precleanup,
1591 .o_health_check = ofd_health_check,
1592 .o_quotactl = ofd_quotactl,