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,
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10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
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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, 2013, 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 <lustre/lustre_idl.h>
46 #include "ofd_internal.h"
47 #include <obd_cksum.h>
48 #include <lustre_quota.h>
49 #include <lustre_lfsck.h>
51 static int ofd_export_stats_init(struct ofd_device *ofd,
52 struct obd_export *exp, void *client_nid)
54 struct obd_device *obd = ofd_obd(ofd);
55 struct nid_stat *stats;
61 LASSERT(obd->obd_uses_nid_stats);
63 if (obd_uuid_equals(&exp->exp_client_uuid, &obd->obd_uuid))
64 /* Self-export gets no proc entry */
67 rc = lprocfs_exp_setup(exp, client_nid, &newnid);
69 /* Mask error for already created
79 stats = exp->exp_nid_stats;
80 LASSERT(stats != NULL);
82 num_stats = NUM_OBD_STATS + LPROC_OFD_STATS_LAST;
84 stats->nid_stats = lprocfs_alloc_stats(num_stats,
85 LPROCFS_STATS_FLAG_NOPERCPU);
86 if (stats->nid_stats == NULL)
89 lprocfs_init_ops_stats(LPROC_OFD_STATS_LAST, stats->nid_stats);
90 ofd_stats_counter_init(stats->nid_stats);
91 rc = lprocfs_register_stats(stats->nid_proc, "stats",
96 rc = lprocfs_nid_ldlm_stats_init(stats);
98 lprocfs_free_stats(&stats->nid_stats);
107 static int ofd_parse_connect_data(const struct lu_env *env,
108 struct obd_export *exp,
109 struct obd_connect_data *data,
112 struct ofd_device *ofd = ofd_exp(exp);
113 struct filter_export_data *fed = &exp->exp_filter_data;
118 CDEBUG(D_RPCTRACE, "%s: cli %s/%p ocd_connect_flags: "LPX64
119 " ocd_version: %x ocd_grant: %d ocd_index: %u"
121 exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
122 data->ocd_connect_flags, data->ocd_version,
123 data->ocd_grant, data->ocd_index, data->ocd_group);
125 if (fed->fed_group != 0 && fed->fed_group != data->ocd_group) {
126 CWARN("!!! This export (nid %s) used object group %d "
127 "earlier; now it's trying to use group %d! This could "
128 "be a bug in the MDS. Please report to "
129 "http://bugs.whamcloud.com/\n",
130 obd_export_nid2str(exp), fed->fed_group,
134 fed->fed_group = data->ocd_group;
136 data->ocd_connect_flags &= OST_CONNECT_SUPPORTED;
137 data->ocd_version = LUSTRE_VERSION_CODE;
139 /* Kindly make sure the SKIP_ORPHAN flag is from MDS. */
140 if (data->ocd_connect_flags & OBD_CONNECT_MDS)
141 CDEBUG(D_HA, "%s: Received MDS connection for group %u\n",
142 exp->exp_obd->obd_name, data->ocd_group);
143 else if (data->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN)
146 if (ofd_grant_param_supp(exp)) {
147 exp->exp_filter_data.fed_pagesize = data->ocd_blocksize;
148 /* ocd_{blocksize,inodespace} are log2 values */
149 data->ocd_blocksize = ofd->ofd_blockbits;
150 data->ocd_inodespace = ofd->ofd_dt_conf.ddp_inodespace;
151 /* ocd_grant_extent is in 1K blocks */
152 data->ocd_grant_extent = ofd->ofd_dt_conf.ddp_grant_frag >> 10;
155 if (data->ocd_connect_flags & OBD_CONNECT_GRANT)
156 data->ocd_grant = ofd_grant_connect(env, exp, data->ocd_grant,
159 if (data->ocd_connect_flags & OBD_CONNECT_INDEX) {
160 struct lr_server_data *lsd = &ofd->ofd_lut.lut_lsd;
161 int index = lsd->lsd_osd_index;
163 if (index != data->ocd_index) {
164 LCONSOLE_ERROR_MSG(0x136, "Connection from %s to index"
165 " %u doesn't match actual OST index"
166 " %u in last_rcvd file, bad "
168 obd_export_nid2str(exp), index,
172 if (!(lsd->lsd_feature_compat & OBD_COMPAT_OST)) {
173 /* this will only happen on the first connect */
174 lsd->lsd_feature_compat |= OBD_COMPAT_OST;
175 /* sync is not needed here as lut_client_add will
176 * set exp_need_sync flag */
177 tgt_server_data_update(env, &ofd->ofd_lut, 0);
180 if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_SIZE)) {
181 data->ocd_brw_size = 65536;
182 } else if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
183 data->ocd_brw_size = min(data->ocd_brw_size,
184 (__u32)DT_MAX_BRW_SIZE);
185 if (data->ocd_brw_size == 0) {
186 CERROR("%s: cli %s/%p ocd_connect_flags: "LPX64
187 " ocd_version: %x ocd_grant: %d ocd_index: %u "
188 "ocd_brw_size is unexpectedly zero, "
189 "network data corruption?"
190 "Refusing connection of this client\n",
191 exp->exp_obd->obd_name,
192 exp->exp_client_uuid.uuid,
193 exp, data->ocd_connect_flags, data->ocd_version,
194 data->ocd_grant, data->ocd_index);
199 if (data->ocd_connect_flags & OBD_CONNECT_CKSUM) {
200 __u32 cksum_types = data->ocd_cksum_types;
202 /* The client set in ocd_cksum_types the checksum types it
203 * supports. We have to mask off the algorithms that we don't
205 data->ocd_cksum_types &= cksum_types_supported_server();
207 if (unlikely(data->ocd_cksum_types == 0)) {
208 CERROR("%s: Connect with checksum support but no "
209 "ocd_cksum_types is set\n",
210 exp->exp_obd->obd_name);
214 CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return "
215 "%x\n", exp->exp_obd->obd_name, obd_export_nid2str(exp),
216 cksum_types, data->ocd_cksum_types);
218 /* This client does not support OBD_CONNECT_CKSUM
219 * fall back to CRC32 */
220 CDEBUG(D_RPCTRACE, "%s: cli %s does not support "
221 "OBD_CONNECT_CKSUM, CRC32 will be used\n",
222 exp->exp_obd->obd_name, obd_export_nid2str(exp));
225 if (data->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
226 data->ocd_maxbytes = ofd->ofd_dt_conf.ddp_maxbytes;
228 if (OCD_HAS_FLAG(data, PINGLESS)) {
229 if (ptlrpc_pinger_suppress_pings()) {
230 spin_lock(&exp->exp_obd->obd_dev_lock);
231 list_del_init(&exp->exp_obd_chain_timed);
232 spin_unlock(&exp->exp_obd->obd_dev_lock);
234 data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS;
241 static int ofd_obd_reconnect(const struct lu_env *env, struct obd_export *exp,
242 struct obd_device *obd, struct obd_uuid *cluuid,
243 struct obd_connect_data *data, void *localdata)
245 struct ofd_device *ofd;
250 if (exp == NULL || obd == NULL || cluuid == NULL)
253 ofd = ofd_dev(obd->obd_lu_dev);
255 rc = ofd_parse_connect_data(env, exp, data, false);
257 ofd_export_stats_init(ofd, exp, localdata);
262 static int ofd_obd_connect(const struct lu_env *env, struct obd_export **_exp,
263 struct obd_device *obd, struct obd_uuid *cluuid,
264 struct obd_connect_data *data, void *localdata)
266 struct obd_export *exp;
267 struct ofd_device *ofd;
268 struct lustre_handle conn = { 0 };
272 if (_exp == NULL || obd == NULL || cluuid == NULL)
275 ofd = ofd_dev(obd->obd_lu_dev);
277 rc = class_connect(&conn, obd, cluuid);
281 exp = class_conn2export(&conn);
282 LASSERT(exp != NULL);
284 rc = ofd_parse_connect_data(env, exp, data, true);
288 if (obd->obd_replayable) {
289 struct tg_export_data *ted = &exp->exp_target_data;
291 memcpy(ted->ted_lcd->lcd_uuid, cluuid,
292 sizeof(ted->ted_lcd->lcd_uuid));
293 rc = tgt_client_new(env, exp);
296 ofd_export_stats_init(ofd, exp, localdata);
299 CDEBUG(D_HA, "%s: get connection from MDS %d\n", obd->obd_name,
300 data ? data->ocd_group : -1);
304 class_disconnect(exp);
312 static int ofd_obd_disconnect(struct obd_export *exp)
314 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
321 class_export_get(exp);
323 if (!(exp->exp_flags & OBD_OPT_FORCE))
324 ofd_grant_sanity_check(ofd_obd(ofd), __FUNCTION__);
326 rc = server_disconnect_export(exp);
328 ofd_grant_discard(exp);
330 /* Do not erase record for recoverable client. */
331 if (exp->exp_obd->obd_replayable &&
332 (!exp->exp_obd->obd_fail || exp->exp_failed)) {
333 rc = lu_env_init(&env, LCT_DT_THREAD);
337 tgt_client_del(&env, exp);
341 class_export_put(exp);
345 static int ofd_init_export(struct obd_export *exp)
349 spin_lock_init(&exp->exp_filter_data.fed_lock);
350 CFS_INIT_LIST_HEAD(&exp->exp_filter_data.fed_mod_list);
351 spin_lock(&exp->exp_lock);
352 exp->exp_connecting = 1;
353 spin_unlock(&exp->exp_lock);
355 /* self-export doesn't need client data and ldlm initialization */
356 if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
357 &exp->exp_client_uuid)))
360 rc = tgt_client_alloc(exp);
362 ldlm_init_export(exp);
364 CERROR("%s: Can't initialize export: rc %d\n",
365 exp->exp_obd->obd_name, rc);
369 static int ofd_destroy_export(struct obd_export *exp)
371 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
373 if (exp->exp_filter_data.fed_pending)
374 CERROR("%s: cli %s/%p has %lu pending on destroyed export"
375 "\n", exp->exp_obd->obd_name, exp->exp_client_uuid.uuid,
376 exp, exp->exp_filter_data.fed_pending);
378 target_destroy_export(exp);
380 if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
381 &exp->exp_client_uuid)))
384 ldlm_destroy_export(exp);
385 tgt_client_free(exp);
387 ofd_fmd_cleanup(exp);
390 * discard grants once we're sure no more
391 * interaction with the client is possible
393 ofd_grant_discard(exp);
394 ofd_fmd_cleanup(exp);
396 if (exp_connect_flags(exp) & OBD_CONNECT_GRANT_SHRINK) {
397 if (ofd->ofd_tot_granted_clients > 0)
398 ofd->ofd_tot_granted_clients --;
401 if (!(exp->exp_flags & OBD_OPT_FORCE))
402 ofd_grant_sanity_check(exp->exp_obd, __FUNCTION__);
404 LASSERT(cfs_list_empty(&exp->exp_filter_data.fed_mod_list));
408 int ofd_postrecov(const struct lu_env *env, struct ofd_device *ofd)
410 struct lu_device *ldev = &ofd->ofd_dt_dev.dd_lu_dev;
412 CDEBUG(D_HA, "%s: recovery is over\n", ofd_obd(ofd)->obd_name);
413 return ldev->ld_ops->ldo_recovery_complete(env, ldev);
416 int ofd_obd_postrecov(struct obd_device *obd)
419 struct lu_device *ldev = obd->obd_lu_dev;
424 rc = lu_env_init(&env, LCT_DT_THREAD);
427 ofd_info_init(&env, obd->obd_self_export);
429 rc = ofd_postrecov(&env, ofd_dev(ldev));
435 static int ofd_adapt_sptlrpc_conf(const struct lu_env *env,
436 struct obd_device *obd, int initial)
438 struct filter_obd *fo = &obd->u.filter;
439 struct sptlrpc_rule_set tmp_rset;
442 sptlrpc_rule_set_init(&tmp_rset);
443 rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial);
445 CERROR("%s: failed get sptlrpc rules: rc = %d\n",
450 sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
452 write_lock(&fo->fo_sptlrpc_lock);
453 sptlrpc_rule_set_free(&fo->fo_sptlrpc_rset);
454 fo->fo_sptlrpc_rset = tmp_rset;
455 write_unlock(&fo->fo_sptlrpc_lock);
460 static int ofd_set_mds_conn(struct obd_export *exp, void *val)
466 LCONSOLE_WARN("%s: received MDS connection from %s\n",
467 exp->exp_obd->obd_name, obd_export_nid2str(exp));
471 static int ofd_set_info_async(const struct lu_env *env, struct obd_export *exp,
472 __u32 keylen, void *key, __u32 vallen, void *val,
473 struct ptlrpc_request_set *set)
475 struct ofd_device *ofd;
480 if (exp->exp_obd == NULL) {
481 CDEBUG(D_IOCTL, "invalid export %p\n", exp);
487 if (KEY_IS(KEY_CAPA_KEY)) {
488 rc = ofd_update_capa_key(ofd, val);
490 CERROR("%s: update capability key failed: rc = %d\n",
491 exp->exp_obd->obd_name, rc);
492 } else if (KEY_IS(KEY_SPTLRPC_CONF)) {
493 ofd_adapt_sptlrpc_conf(env, exp->exp_obd, 0);
494 } else if (KEY_IS(KEY_MDS_CONN)) {
495 rc = ofd_set_mds_conn(exp, val);
496 } else if (KEY_IS(KEY_GRANT_SHRINK)) {
497 struct ost_body *body = val;
499 ofd_info_init(env, exp);
500 /** handle grant shrink, similar to a read request */
501 ofd_grant_prepare_read(env, exp, &body->oa);
503 CERROR("%s: Unsupported key %s\n",
504 exp->exp_obd->obd_name, (char*)key);
511 static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
512 __u32 keylen, void *key, __u32 *vallen, void *val,
513 struct lov_stripe_md *lsm)
515 struct ofd_device *ofd;
520 if (exp->exp_obd == NULL) {
521 CDEBUG(D_IOCTL, "invalid client export %p\n", exp);
525 /* Because ofd_get_info might be called from
526 * handle_request_in as well(see LU-3239), where env might
527 * not be initilaized correctly, and le_ses might be in
528 * an un-initialized state, so only refill le_ctx here */
529 rc = lu_env_refill((struct lu_env *)env);
535 if (KEY_IS(KEY_BLOCKSIZE)) {
536 __u32 *blocksize = val;
538 if (*vallen < sizeof(*blocksize))
539 GOTO(out, rc = -EOVERFLOW);
540 *blocksize = 1 << ofd->ofd_dt_conf.ddp_block_shift;
542 *vallen = sizeof(*blocksize);
543 } else if (KEY_IS(KEY_BLOCKSIZE_BITS)) {
544 __u32 *blocksize_bits = val;
545 if (blocksize_bits) {
546 if (*vallen < sizeof(*blocksize_bits))
547 GOTO(out, rc = -EOVERFLOW);
548 *blocksize_bits = ofd->ofd_dt_conf.ddp_block_shift;
550 *vallen = sizeof(*blocksize_bits);
551 } else if (KEY_IS(KEY_LAST_ID)) {
552 obd_id *last_id = val;
553 struct ofd_seq *oseq;
556 *vallen = sizeof(obd_id);
559 ofd_info_init(env, exp);
560 oseq = ofd_seq_load(env, ofd,
561 (obd_seq)exp->exp_filter_data.fed_group);
562 LASSERT(!IS_ERR(oseq));
564 if (*vallen < sizeof(*last_id)) {
565 ofd_seq_put(env, oseq);
566 GOTO(out, rc = -EOVERFLOW);
568 *last_id = ofd_seq_last_oid(oseq);
570 ofd_seq_put(env, oseq);
571 *vallen = sizeof(*last_id);
572 } else if (KEY_IS(KEY_FIEMAP)) {
573 struct ofd_device *ofd = ofd_exp(exp);
574 struct ofd_object *fo;
575 struct ll_fiemap_info_key *fm_key = key;
579 *vallen = fiemap_count_to_size(
580 fm_key->fiemap.fm_extent_count);
584 rc = ostid_to_fid(&fid, &fm_key->oa.o_oi, 0);
587 CDEBUG(D_INODE, "get FIEMAP of object "DFID"\n",
590 fo = ofd_object_find(env, ofd, &fid);
592 CERROR("%s: error finding object "DFID"\n",
593 exp->exp_obd->obd_name, PFID(&fid));
596 struct ll_user_fiemap *fiemap = val;
598 ofd_read_lock(env, fo);
599 if (ofd_object_exists(fo)) {
600 *fiemap = fm_key->fiemap;
601 rc = dt_fiemap_get(env,
602 ofd_object_child(fo),
607 ofd_read_unlock(env, fo);
608 ofd_object_put(env, fo);
610 } else if (KEY_IS(KEY_LAST_FID)) {
611 struct ofd_device *ofd = ofd_exp(exp);
612 struct ofd_seq *oseq;
613 struct lu_fid *fid = val;
617 *vallen = sizeof(struct lu_fid);
621 if (*vallen < sizeof(*fid))
622 GOTO(out, rc = -EOVERFLOW);
624 ofd_info_init(env, exp);
626 fid_le_to_cpu(fid, fid);
628 oseq = ofd_seq_load(env, ofd,
629 ostid_seq((struct ost_id *)fid));
631 GOTO(out, rc = PTR_ERR(oseq));
633 rc = ostid_to_fid(fid, &oseq->os_oi,
634 ofd->ofd_lut.lut_lsd.lsd_osd_index);
638 CDEBUG(D_HA, "%s: LAST FID is "DFID"\n", ofd_name(ofd),
640 *vallen = sizeof(*fid);
642 ofd_seq_put(env, oseq);
644 CERROR("Not supported key %s\n", (char*)key);
651 /** helper function for statfs, also used by grant code */
652 int ofd_statfs_internal(const struct lu_env *env, struct ofd_device *ofd,
653 struct obd_statfs *osfs, __u64 max_age, int *from_cache)
657 spin_lock(&ofd->ofd_osfs_lock);
658 if (cfs_time_before_64(ofd->ofd_osfs_age, max_age) || max_age == 0) {
661 /* statfs data are too old, get up-to-date one.
662 * we must be cautious here since multiple threads might be
663 * willing to update statfs data concurrently and we must
664 * grant that cached statfs data are always consistent */
666 if (ofd->ofd_statfs_inflight == 0)
667 /* clear inflight counter if no users, although it would
668 * take a while to overflow this 64-bit counter ... */
669 ofd->ofd_osfs_inflight = 0;
670 /* notify ofd_grant_commit() that we want to track writes
671 * completed as of now */
672 ofd->ofd_statfs_inflight++;
673 /* record value of inflight counter before running statfs to
674 * compute the diff once statfs is completed */
675 unstable = ofd->ofd_osfs_inflight;
676 spin_unlock(&ofd->ofd_osfs_lock);
678 /* statfs can sleep ... hopefully not for too long since we can
679 * call it fairly often as space fills up */
680 rc = dt_statfs(env, ofd->ofd_osd, osfs);
684 spin_lock(&ofd->ofd_grant_lock);
685 spin_lock(&ofd->ofd_osfs_lock);
686 /* calculate how much space was written while we released the
688 unstable = ofd->ofd_osfs_inflight - unstable;
689 ofd->ofd_osfs_unstable = 0;
691 /* some writes completed while we were running statfs
692 * w/o the ofd_osfs_lock. Those ones got added to
693 * the cached statfs data that we are about to crunch.
694 * Take them into account in the new statfs data */
695 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
696 unstable >> ofd->ofd_blockbits);
697 /* However, we don't really know if those writes got
698 * accounted in the statfs call, so tell
699 * ofd_grant_space_left() there is some uncertainty
700 * on the accounting of those writes.
701 * The purpose is to prevent spurious error messages in
702 * ofd_grant_space_left() since those writes might be
703 * accounted twice. */
704 ofd->ofd_osfs_unstable += unstable;
706 /* similarly, there is some uncertainty on write requests
707 * between prepare & commit */
708 ofd->ofd_osfs_unstable += ofd->ofd_tot_pending;
709 spin_unlock(&ofd->ofd_grant_lock);
711 /* finally udpate cached statfs data */
712 ofd->ofd_osfs = *osfs;
713 ofd->ofd_osfs_age = cfs_time_current_64();
715 ofd->ofd_statfs_inflight--; /* stop tracking */
716 if (ofd->ofd_statfs_inflight == 0)
717 ofd->ofd_osfs_inflight = 0;
718 spin_unlock(&ofd->ofd_osfs_lock);
723 /* use cached statfs data */
724 *osfs = ofd->ofd_osfs;
725 spin_unlock(&ofd->ofd_osfs_lock);
732 int ofd_statfs(const struct lu_env *env, struct obd_export *exp,
733 struct obd_statfs *osfs, __u64 max_age, __u32 flags)
735 struct obd_device *obd = class_exp2obd(exp);
736 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
741 rc = ofd_statfs_internal(env, ofd, osfs, max_age, NULL);
745 /* at least try to account for cached pages. its still racy and
746 * might be under-reporting if clients haven't announced their
747 * caches with brw recently */
749 CDEBUG(D_SUPER | D_CACHE, "blocks cached "LPU64" granted "LPU64
750 " pending "LPU64" free "LPU64" avail "LPU64"\n",
751 ofd->ofd_tot_dirty, ofd->ofd_tot_granted, ofd->ofd_tot_pending,
752 osfs->os_bfree << ofd->ofd_blockbits,
753 osfs->os_bavail << ofd->ofd_blockbits);
755 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
756 ((ofd->ofd_tot_dirty + ofd->ofd_tot_pending +
757 osfs->os_bsize - 1) >> ofd->ofd_blockbits));
759 /* The QoS code on the MDS does not care about space reserved for
760 * precreate, so take it out. */
761 if (exp_connect_flags(exp) & OBD_CONNECT_MDS) {
762 struct filter_export_data *fed;
764 fed = &obd->obd_self_export->exp_filter_data;
765 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
766 fed->fed_grant >> ofd->ofd_blockbits);
769 ofd_grant_sanity_check(obd, __FUNCTION__);
770 CDEBUG(D_CACHE, LPU64" blocks: "LPU64" free, "LPU64" avail; "
771 LPU64" objects: "LPU64" free; state %x\n",
772 osfs->os_blocks, osfs->os_bfree, osfs->os_bavail,
773 osfs->os_files, osfs->os_ffree, osfs->os_state);
775 if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOINO,
776 ofd->ofd_lut.lut_lsd.lsd_osd_index))
779 /* OS_STATE_READONLY can be set by OSD already */
780 if (ofd->ofd_raid_degraded)
781 osfs->os_state |= OS_STATE_DEGRADED;
783 if (obd->obd_self_export != exp && ofd_grant_compat(exp, ofd)) {
784 /* clients which don't support OBD_CONNECT_GRANT_PARAM
785 * should not see a block size > page size, otherwise
786 * cl_lost_grant goes mad. Therefore, we emulate a 4KB (=2^12)
787 * block size which is the biggest block size known to work
788 * with all client's page size. */
789 osfs->os_blocks <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
790 osfs->os_bfree <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
791 osfs->os_bavail <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
792 osfs->os_bsize = 1 << COMPAT_BSIZE_SHIFT;
795 if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOSPC,
796 ofd->ofd_lut.lut_lsd.lsd_osd_index))
797 osfs->os_bfree = osfs->os_bavail = 2;
804 int ofd_setattr(const struct lu_env *env, struct obd_export *exp,
805 struct obd_info *oinfo, struct obd_trans_info *oti)
807 struct ofd_thread_info *info;
808 struct ofd_device *ofd = ofd_exp(exp);
809 struct ldlm_namespace *ns = ofd->ofd_namespace;
810 struct ldlm_resource *res;
811 struct ofd_object *fo;
812 struct obdo *oa = oinfo->oi_oa;
813 struct filter_fid *ff = NULL;
818 info = ofd_info_init(env, exp);
819 ofd_oti2info(info, oti);
821 rc = ostid_to_fid(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
825 ost_fid_build_resid(&info->fti_fid, &info->fti_resid);
826 rc = ofd_auth_capa(exp, &info->fti_fid, ostid_seq(&oa->o_oi),
827 oinfo_capa(oinfo), CAPA_OPC_META_WRITE);
831 /* This would be very bad - accidentally truncating a file when
832 * changing the time or similar - bug 12203. */
833 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE &&
834 oinfo->oi_policy.l_extent.end != OBD_OBJECT_EOF) {
835 static char mdsinum[48];
837 if (oinfo->oi_oa->o_valid & OBD_MD_FLFID)
838 snprintf(mdsinum, sizeof(mdsinum) - 1,
839 "of parent "DFID, oinfo->oi_oa->o_parent_seq,
840 oinfo->oi_oa->o_parent_oid, 0);
844 CERROR("%s: setattr from %s trying to truncate object "DFID
845 " %s\n", exp->exp_obd->obd_name,
846 obd_export_nid2str(exp), PFID(&info->fti_fid), mdsinum);
847 GOTO(out, rc = -EPERM);
850 fo = ofd_object_find(env, ofd, &info->fti_fid);
852 CERROR("%s: can't find object "DFID"\n",
853 exp->exp_obd->obd_name, PFID(&info->fti_fid));
854 GOTO(out, rc = PTR_ERR(fo));
857 la_from_obdo(&info->fti_attr, oinfo->oi_oa, oinfo->oi_oa->o_valid);
858 info->fti_attr.la_valid &= ~LA_TYPE;
860 if (oa->o_valid & OBD_MD_FLFID) {
861 ff = &info->fti_mds_fid;
862 ofd_prepare_fidea(ff, oa);
865 /* setting objects attributes (including owner/group) */
866 rc = ofd_attr_set(env, fo, &info->fti_attr, ff);
868 GOTO(out_unlock, rc);
870 ofd_info2oti(info, oti);
872 ofd_counter_incr(exp, LPROC_OFD_STATS_SETATTR, oti->oti_jobid, 1);
875 ofd_object_put(env, fo);
878 /* we do not call this before to avoid lu_object_find() in
879 * ->lvbo_update() holding another reference on the object.
880 * otherwise concurrent destroy can make the object unavailable
881 * for 2nd lu_object_find() waiting for the first reference
882 * to go... deadlock! */
883 res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
885 ldlm_res_lvbo_update(res, NULL, 0);
886 ldlm_resource_putref(res);
893 static int ofd_punch(const struct lu_env *env, struct obd_export *exp,
894 struct obd_info *oinfo, struct obd_trans_info *oti,
895 struct ptlrpc_request_set *rqset)
897 struct ofd_thread_info *info;
898 struct ofd_device *ofd = ofd_exp(exp);
899 struct ldlm_namespace *ns = ofd->ofd_namespace;
900 struct ldlm_resource *res;
901 struct ofd_object *fo;
902 struct filter_fid *ff = NULL;
907 info = ofd_info_init(env, exp);
908 ofd_oti2info(info, oti);
910 rc = ostid_to_fid(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
913 ost_fid_build_resid(&info->fti_fid, &info->fti_resid);
915 CDEBUG(D_INODE, "calling punch for object "DFID", valid = "LPX64
916 ", start = "LPD64", end = "LPD64"\n", PFID(&info->fti_fid),
917 oinfo->oi_oa->o_valid, oinfo->oi_policy.l_extent.start,
918 oinfo->oi_policy.l_extent.end);
920 rc = ofd_auth_capa(exp, &info->fti_fid, ostid_seq(&oinfo->oi_oa->o_oi),
921 oinfo_capa(oinfo), CAPA_OPC_OSS_TRUNC);
925 fo = ofd_object_find(env, ofd, &info->fti_fid);
927 CERROR("%s: error finding object "DFID": rc = %ld\n",
928 exp->exp_obd->obd_name, PFID(&info->fti_fid),
930 GOTO(out_env, rc = PTR_ERR(fo));
933 LASSERT(oinfo->oi_policy.l_extent.end == OBD_OBJECT_EOF);
934 if (oinfo->oi_policy.l_extent.end == OBD_OBJECT_EOF) {
936 oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.start;
937 } else if (oinfo->oi_policy.l_extent.end >= oinfo->oi_oa->o_size) {
938 oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.end;
941 la_from_obdo(&info->fti_attr, oinfo->oi_oa,
942 OBD_MD_FLMTIME | OBD_MD_FLATIME | OBD_MD_FLCTIME);
943 info->fti_attr.la_valid &= ~LA_TYPE;
944 info->fti_attr.la_size = oinfo->oi_policy.l_extent.start;
945 info->fti_attr.la_valid |= LA_SIZE;
947 if (oinfo->oi_oa->o_valid & OBD_MD_FLFID) {
948 ff = &info->fti_mds_fid;
949 ofd_prepare_fidea(ff, oinfo->oi_oa);
952 rc = ofd_object_punch(env, fo, oinfo->oi_policy.l_extent.start,
953 oinfo->oi_policy.l_extent.end, &info->fti_attr,
958 res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
960 ldlm_res_lvbo_update(res, NULL, 0);
961 ldlm_resource_putref(res);
964 oinfo->oi_oa->o_valid = OBD_MD_FLID;
965 /* Quota release needs uid/gid info */
966 rc = ofd_attr_get(env, fo, &info->fti_attr);
967 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
968 OFD_VALID_FLAGS | LA_UID | LA_GID);
969 ofd_info2oti(info, oti);
971 ofd_counter_incr(exp, LPROC_OFD_STATS_PUNCH, oti->oti_jobid, 1);
974 ofd_object_put(env, fo);
979 int ofd_destroy_by_fid(const struct lu_env *env, struct ofd_device *ofd,
980 const struct lu_fid *fid, int orphan)
982 struct ofd_thread_info *info = ofd_info(env);
983 struct lustre_handle lockh;
984 __u64 flags = LDLM_FL_AST_DISCARD_DATA;
986 ldlm_policy_data_t policy = {
987 .l_extent = { 0, OBD_OBJECT_EOF }
989 struct ofd_object *fo;
993 fo = ofd_object_find(env, ofd, fid);
996 if (!ofd_object_exists(fo))
997 GOTO(out, rc = -ENOENT);
999 /* Tell the clients that the object is gone now and that they should
1000 * throw away any cached pages. */
1001 ost_fid_build_resid(fid, &info->fti_resid);
1002 rc = ldlm_cli_enqueue_local(ofd->ofd_namespace, &info->fti_resid,
1003 LDLM_EXTENT, &policy, LCK_PW, &flags,
1004 ldlm_blocking_ast, ldlm_completion_ast,
1005 NULL, NULL, 0, LVB_T_NONE, NULL, &lockh);
1007 /* We only care about the side-effects, just drop the lock. */
1009 ldlm_lock_decref(&lockh, LCK_PW);
1011 LASSERT(fo != NULL);
1013 rc = ofd_object_destroy(env, fo, orphan);
1016 ofd_object_put(env, fo);
1020 int ofd_destroy(const struct lu_env *env, struct obd_export *exp,
1021 struct obdo *oa, struct lov_stripe_md *md,
1022 struct obd_trans_info *oti, struct obd_export *md_exp,
1025 struct ofd_device *ofd = ofd_exp(exp);
1026 struct ofd_thread_info *info;
1032 info = ofd_info_init(env, exp);
1033 ofd_oti2info(info, oti);
1035 if (!(oa->o_valid & OBD_MD_FLGROUP))
1036 ostid_set_seq_mdt0(&oa->o_oi);
1038 /* check that o_misc makes sense */
1039 if (oa->o_valid & OBD_MD_FLOBJCOUNT)
1042 count = 1; /* default case - single destroy */
1045 * There can be sequence of objects to destroy. Therefore this request
1046 * may have multiple transaction involved in. It is OK, we need only
1047 * the highest used transno to be reported back in reply but not for
1048 * replays, they must report their transno
1050 if (info->fti_transno == 0) /* not replay */
1051 info->fti_mult_trans = 1;
1053 CDEBUG(D_HA, "%s: Destroy object "DOSTID" count %d\n", ofd_name(ofd),
1054 POSTID(&oa->o_oi), count);
1058 lrc = ostid_to_fid(&info->fti_fid, &oa->o_oi, 0);
1064 lrc = ofd_destroy_by_fid(env, ofd, &info->fti_fid, 0);
1065 if (lrc == -ENOENT) {
1067 "%s: destroying non-existent object "DFID"\n",
1068 ofd_obd(ofd)->obd_name, PFID(&info->fti_fid));
1069 /* rewrite rc with -ENOENT only if it is 0 */
1072 } else if (lrc != 0) {
1073 CERROR("%s: error destroying object "DFID": %d\n",
1074 ofd_obd(ofd)->obd_name, PFID(&info->fti_fid),
1079 ostid_inc_id(&oa->o_oi);
1082 /* if we have transaction then there were some deletions, we don't
1083 * need to return ENOENT in that case because it will not wait
1084 * for commit of these deletions. The ENOENT must be returned only
1085 * if there were no transations.
1087 if (rc == -ENOENT) {
1088 if (info->fti_transno != 0)
1090 } else if (rc != 0) {
1092 * If we have at least one transaction then llog record
1093 * on server will be removed upon commit, so for rc != 0
1094 * we return no transno and llog record will be reprocessed.
1096 info->fti_transno = 0;
1098 ofd_info2oti(info, oti);
1103 int ofd_orphans_destroy(const struct lu_env *env, struct obd_export *exp,
1104 struct ofd_device *ofd, struct obdo *oa)
1106 struct ofd_thread_info *info = ofd_info(env);
1110 struct ost_id oi = oa->o_oi;
1111 __u64 end_id = ostid_id(&oa->o_oi);
1112 struct ofd_seq *oseq;
1116 oseq = ofd_seq_get(ofd, ostid_seq(&oa->o_oi));
1118 CERROR("%s: Can not find seq for "DOSTID"\n",
1119 ofd_name(ofd), POSTID(&oa->o_oi));
1123 LASSERT(exp != NULL);
1124 skip_orphan = !!(exp_connect_flags(exp) & OBD_CONNECT_SKIP_ORPHAN);
1126 last = ofd_seq_last_oid(oseq);
1127 LCONSOLE(D_INFO, "%s: deleting orphan objects from "DOSTID
1128 " to "DOSTID"\n", ofd_name(ofd), ostid_seq(&oa->o_oi),
1129 end_id + 1, ostid_seq(&oa->o_oi), last);
1131 for (ostid_set_id(&oi, last); ostid_id(&oi) > end_id;
1132 ostid_dec_id(&oi)) {
1133 rc = ostid_to_fid(&info->fti_fid, &oi, 0);
1136 rc = ofd_destroy_by_fid(env, ofd, &info->fti_fid, 1);
1137 if (rc && rc != -ENOENT) /* this is pretty fatal... */
1138 CEMERG("%s: error destroying precreated id "DOSTID
1139 ": rc = %d\n", ofd_name(ofd), POSTID(&oi), rc);
1141 ofd_seq_last_oid_set(oseq, ostid_id(&oi) - 1);
1142 /* update last_id on disk periodically so that if we
1143 * restart * we don't need to re-scan all of the just
1144 * deleted objects. */
1145 if ((ostid_id(&oi) & 511) == 0)
1146 ofd_seq_last_oid_write(env, ofd, oseq);
1149 CDEBUG(D_HA, "%s: after destroy: set last_id to "DOSTID"\n",
1150 ofd_obd(ofd)->obd_name, POSTID(&oa->o_oi));
1152 rc = ofd_seq_last_oid_write(env, ofd, oseq);
1154 /* don't reuse orphan object, return last used objid */
1155 ostid_set_id(&oa->o_oi, last);
1159 ofd_seq_put(env, oseq);
1163 int ofd_create(const struct lu_env *env, struct obd_export *exp,
1164 struct obdo *oa, struct lov_stripe_md **ea,
1165 struct obd_trans_info *oti)
1167 struct ofd_device *ofd = ofd_exp(exp);
1168 struct ofd_thread_info *info;
1169 obd_seq seq = ostid_seq(&oa->o_oi);
1170 struct ofd_seq *oseq;
1176 info = ofd_info_init(env, exp);
1177 ofd_oti2info(info, oti);
1179 LASSERT(ostid_seq(&oa->o_oi) >= FID_SEQ_OST_MDT0);
1180 LASSERT(oa->o_valid & OBD_MD_FLGROUP);
1182 CDEBUG(D_INFO, "ofd_create("DOSTID")\n", POSTID(&oa->o_oi));
1184 oseq = ofd_seq_load(env, ofd, seq);
1186 CERROR("%s: Can't find FID Sequence "LPX64": rc = %ld\n",
1187 ofd_name(ofd), seq, PTR_ERR(oseq));
1191 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
1192 (oa->o_flags & OBD_FL_RECREATE_OBJS)) {
1193 if (!ofd_obd(ofd)->obd_recovering ||
1194 ostid_id(&oa->o_oi) > ofd_seq_last_oid(oseq)) {
1195 CERROR("recreate objid "DOSTID" > last id "LPU64"\n",
1196 POSTID(&oa->o_oi), ofd_seq_last_oid(oseq));
1197 GOTO(out_nolock, rc = -EINVAL);
1199 /* do nothing because we create objects during first write */
1200 GOTO(out_nolock, rc = 0);
1202 /* former ofd_handle_precreate */
1203 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
1204 (oa->o_flags & OBD_FL_DELORPHAN)) {
1205 /* destroy orphans */
1206 if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
1207 CERROR("%s: dropping old orphan cleanup request\n",
1209 GOTO(out_nolock, rc = 0);
1211 /* This causes inflight precreates to abort and drop lock */
1212 oseq->os_destroys_in_progress = 1;
1213 mutex_lock(&oseq->os_create_lock);
1214 if (!oseq->os_destroys_in_progress) {
1215 CERROR("%s:["LPU64"] destroys_in_progress already"
1216 " cleared\n", exp->exp_obd->obd_name,
1217 ostid_seq(&oa->o_oi));
1218 ostid_set_id(&oa->o_oi, ofd_seq_last_oid(oseq));
1221 diff = ostid_id(&oa->o_oi) - ofd_seq_last_oid(oseq);
1222 CDEBUG(D_HA, "ofd_last_id() = "LPU64" -> diff = %d\n",
1223 ofd_seq_last_oid(oseq), diff);
1224 if (-diff > OST_MAX_PRECREATE) {
1225 /* FIXME: should reset precreate_next_id on MDS */
1227 } else if (diff < 0) {
1228 rc = ofd_orphans_destroy(env, exp, ofd, oa);
1229 oseq->os_destroys_in_progress = 0;
1231 /* XXX: Used by MDS for the first time! */
1232 oseq->os_destroys_in_progress = 0;
1235 mutex_lock(&oseq->os_create_lock);
1236 if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
1237 CERROR("%s: dropping old precreate request\n",
1238 ofd_obd(ofd)->obd_name);
1241 /* only precreate if seq is 0, IDIF or normal and also o_id
1242 * must be specfied */
1243 if ((!fid_seq_is_mdt(ostid_seq(&oa->o_oi)) &&
1244 !fid_seq_is_norm(ostid_seq(&oa->o_oi)) &&
1245 !fid_seq_is_idif(ostid_seq(&oa->o_oi))) ||
1246 ostid_id(&oa->o_oi) == 0) {
1247 diff = 1; /* shouldn't we create this right now? */
1249 diff = ostid_id(&oa->o_oi) - ofd_seq_last_oid(oseq);
1250 /* Do sync create if the seq is about to used up */
1251 if (fid_seq_is_idif(ostid_seq(&oa->o_oi)) ||
1252 fid_seq_is_mdt0(ostid_seq(&oa->o_oi))) {
1253 if (unlikely(ostid_id(&oa->o_oi) >= IDIF_MAX_OID - 1))
1255 } else if (fid_seq_is_norm(ostid_seq(&oa->o_oi))) {
1256 if (unlikely(ostid_id(&oa->o_oi) >=
1257 LUSTRE_DATA_SEQ_MAX_WIDTH - 1))
1260 CERROR("%s : invalid o_seq "DOSTID": rc = %d\n",
1261 ofd_name(ofd), POSTID(&oa->o_oi), -EINVAL);
1262 GOTO(out, rc = -EINVAL);
1267 cfs_time_t enough_time = cfs_time_shift(DISK_TIMEOUT);
1272 if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
1273 !(oa->o_flags & OBD_FL_DELORPHAN)) {
1274 /* don't enforce grant during orphan recovery */
1275 rc = ofd_grant_create(env,
1276 ofd_obd(ofd)->obd_self_export,
1279 CDEBUG(D_HA, "%s: failed to acquire grant "
1280 "space for precreate (%d): rc = %d\n",
1281 ofd_name(ofd), diff, rc);
1286 /* This can happen if a new OST is formatted and installed
1287 * in place of an old one at the same index. Instead of
1288 * precreating potentially millions of deleted old objects
1289 * (possibly filling the OST), only precreate the last batch.
1290 * LFSCK will eventually clean up any orphans. LU-14 */
1291 if (diff > 5 * OST_MAX_PRECREATE) {
1292 diff = OST_MAX_PRECREATE / 2;
1293 LCONSOLE_WARN("%s: precreate FID "DOSTID" is over %u "
1294 "larger than the LAST_ID "DOSTID", only "
1295 "precreating the last %u objects.\n",
1296 ofd_name(ofd), POSTID(&oa->o_oi),
1297 5 * OST_MAX_PRECREATE,
1298 POSTID(&oseq->os_oi), diff);
1299 ofd_seq_last_oid_set(oseq, ostid_id(&oa->o_oi) - diff);
1303 next_id = ofd_seq_last_oid(oseq) + 1;
1304 count = ofd_precreate_batch(ofd, diff);
1306 CDEBUG(D_HA, "%s: reserve %d objects in group "LPX64
1307 " at "LPU64"\n", ofd_obd(ofd)->obd_name,
1308 count, ostid_seq(&oa->o_oi), next_id);
1310 if (cfs_time_after(jiffies, enough_time)) {
1311 LCONSOLE_WARN("%s: Slow creates, %d/%d objects"
1312 " created at a rate of %d/s\n",
1313 ofd_obd(ofd)->obd_name,
1314 created, diff + created,
1315 created / DISK_TIMEOUT);
1319 rc = ofd_precreate_objects(env, ofd, next_id,
1320 oseq, count, sync_trans);
1324 } else if (rc < 0) {
1329 /* some objects got created, we can return
1330 * them, even if last creation failed */
1333 CERROR("%s: unable to precreate: rc = %d\n",
1336 ostid_set_id(&oa->o_oi, ofd_seq_last_oid(oseq));
1337 oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
1339 if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
1340 !(oa->o_flags & OBD_FL_DELORPHAN))
1341 ofd_grant_commit(env, ofd_obd(ofd)->obd_self_export,
1345 ofd_info2oti(info, oti);
1347 mutex_unlock(&oseq->os_create_lock);
1349 if (rc == 0 && ea != NULL) {
1350 struct lov_stripe_md *lsm = *ea;
1352 lsm->lsm_oi = oa->o_oi;
1354 ofd_seq_put(env, oseq);
1358 int ofd_getattr(const struct lu_env *env, struct obd_export *exp,
1359 struct obd_info *oinfo)
1361 struct ofd_device *ofd = ofd_exp(exp);
1362 struct ofd_thread_info *info;
1363 struct ofd_object *fo;
1368 info = ofd_info_init(env, exp);
1370 rc = ostid_to_fid(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
1373 rc = ofd_auth_capa(exp, &info->fti_fid, ostid_seq(&oinfo->oi_oa->o_oi),
1374 oinfo_capa(oinfo), CAPA_OPC_META_READ);
1378 fo = ofd_object_find(env, ofd, &info->fti_fid);
1380 GOTO(out, rc = PTR_ERR(fo));
1381 if (!ofd_object_exists(fo))
1382 GOTO(out_put, rc = -ENOENT);
1384 LASSERT(fo != NULL);
1385 rc = ofd_attr_get(env, fo, &info->fti_attr);
1386 oinfo->oi_oa->o_valid = OBD_MD_FLID;
1390 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
1391 OFD_VALID_FLAGS | LA_UID | LA_GID);
1393 /* Store object version in reply */
1394 curr_version = dt_version_get(env, ofd_object_child(fo));
1395 if ((__s64)curr_version != -EOPNOTSUPP) {
1396 oinfo->oi_oa->o_valid |= OBD_MD_FLDATAVERSION;
1397 oinfo->oi_oa->o_data_version = curr_version;
1402 ofd_object_put(env, fo);
1407 static int ofd_sync(const struct lu_env *env, struct obd_export *exp,
1408 struct obd_info *oinfo, obd_size start, obd_size end,
1409 struct ptlrpc_request_set *set)
1411 struct ofd_device *ofd = ofd_exp(exp);
1412 struct ofd_thread_info *info;
1413 struct ofd_object *fo;
1418 /* if no objid is specified, it means "sync whole filesystem" */
1419 if (oinfo->oi_oa == NULL || !(oinfo->oi_oa->o_valid & OBD_MD_FLID)) {
1420 rc = dt_sync(env, ofd->ofd_osd);
1424 info = ofd_info_init(env, exp);
1425 rc = ostid_to_fid(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
1429 rc = ofd_auth_capa(exp, &info->fti_fid, ostid_seq(&oinfo->oi_oa->o_oi),
1430 oinfo_capa(oinfo), CAPA_OPC_OSS_TRUNC);
1434 fo = ofd_object_find(env, ofd, &info->fti_fid);
1436 CERROR("%s: error finding object "DFID": rc = %ld\n",
1437 exp->exp_obd->obd_name, PFID(&info->fti_fid),
1439 GOTO(out, rc = PTR_ERR(fo));
1442 if (!ofd_object_exists(fo))
1443 GOTO(put, rc = -ENOENT);
1445 if (dt_version_get(env, ofd_object_child(fo)) >
1446 ofd_obd(ofd)->obd_last_committed) {
1447 rc = dt_object_sync(env, ofd_object_child(fo));
1452 oinfo->oi_oa->o_valid = OBD_MD_FLID;
1453 rc = ofd_attr_get(env, fo, &info->fti_attr);
1454 obdo_from_la(oinfo->oi_oa, &info->fti_attr, OFD_VALID_FLAGS);
1456 ofd_counter_incr(exp, LPROC_OFD_STATS_SYNC, oinfo->oi_jobid, 1);
1459 ofd_object_put(env, fo);
1464 static int ofd_ioc_get_obj_version(const struct lu_env *env,
1465 struct ofd_device *ofd, void *karg)
1467 struct obd_ioctl_data *data = karg;
1469 struct ofd_object *fo;
1470 dt_obj_version_t version;
1475 if (data->ioc_inlbuf2 == NULL || data->ioc_inllen2 != sizeof(version))
1476 GOTO(out, rc = -EINVAL);
1478 if (data->ioc_inlbuf1 != NULL && data->ioc_inllen1 == sizeof(fid)) {
1479 fid = *(struct lu_fid *)data->ioc_inlbuf1;
1480 } else if (data->ioc_inlbuf3 != NULL &&
1481 data->ioc_inllen3 == sizeof(__u64) &&
1482 data->ioc_inlbuf4 != NULL &&
1483 data->ioc_inllen4 == sizeof(__u64)) {
1484 struct ost_id ostid;
1486 ostid_set_seq(&ostid, *(__u64 *)data->ioc_inlbuf4);
1487 ostid_set_id(&ostid, *(__u64 *)data->ioc_inlbuf3);
1488 rc = ostid_to_fid(&fid, &ostid, 0);
1492 GOTO(out, rc = -EINVAL);
1495 if (!fid_is_sane(&fid))
1496 GOTO(out, rc = -EINVAL);
1498 fo = ofd_object_find(env, ofd, &fid);
1500 GOTO(out, rc = PTR_ERR(fo));
1502 if (!ofd_object_exists(fo))
1503 GOTO(out_fo, rc = -ENOENT);
1505 if (lu_object_remote(&fo->ofo_obj.do_lu))
1506 GOTO(out_fo, rc = -EREMOTE);
1508 version = dt_version_get(env, ofd_object_child(fo));
1510 GOTO(out_fo, rc = -EIO);
1512 *(dt_obj_version_t *)data->ioc_inlbuf2 = version;
1516 ofd_object_put(env, fo);
1521 int ofd_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
1522 void *karg, void *uarg)
1525 struct ofd_device *ofd = ofd_exp(exp);
1526 struct obd_device *obd = ofd_obd(ofd);
1531 CDEBUG(D_IOCTL, "handling ioctl cmd %#x\n", cmd);
1532 rc = lu_env_init(&env, LCT_DT_THREAD);
1537 case OBD_IOC_ABORT_RECOVERY:
1538 CERROR("%s: aborting recovery\n", obd->obd_name);
1539 target_stop_recovery_thread(obd);
1542 CDEBUG(D_RPCTRACE, "syncing ost %s\n", obd->obd_name);
1543 rc = dt_sync(&env, ofd->ofd_osd);
1545 case OBD_IOC_SET_READONLY:
1546 rc = dt_sync(&env, ofd->ofd_osd);
1548 rc = dt_ro(&env, ofd->ofd_osd);
1550 case OBD_IOC_START_LFSCK: {
1551 struct obd_ioctl_data *data = karg;
1552 struct lfsck_start_param lsp;
1554 if (unlikely(data == NULL)) {
1559 lsp.lsp_start = (struct lfsck_start *)(data->ioc_inlbuf1);
1560 lsp.lsp_namespace = ofd->ofd_namespace;
1561 rc = lfsck_start(&env, ofd->ofd_osd, &lsp);
1564 case OBD_IOC_STOP_LFSCK: {
1565 rc = lfsck_stop(&env, ofd->ofd_osd, false);
1568 case OBD_IOC_GET_OBJ_VERSION:
1569 rc = ofd_ioc_get_obj_version(&env, ofd, karg);
1572 CERROR("%s: not supported cmd = %d\n", obd->obd_name, cmd);
1580 static int ofd_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
1587 case OBD_CLEANUP_EARLY:
1589 case OBD_CLEANUP_EXPORTS:
1590 target_cleanup_recovery(obd);
1596 static int ofd_ping(const struct lu_env *env, struct obd_export *exp)
1598 ofd_fmd_expire(exp);
1602 static int ofd_health_check(const struct lu_env *nul, struct obd_device *obd)
1604 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
1605 struct ofd_thread_info *info;
1607 #ifdef USE_HEALTH_CHECK_WRITE
1612 /* obd_proc_read_health pass NULL env, we need real one */
1613 rc = lu_env_init(&env, LCT_DT_THREAD);
1617 info = ofd_info_init(&env, NULL);
1618 rc = dt_statfs(&env, ofd->ofd_osd, &info->fti_u.osfs);
1622 if (info->fti_u.osfs.os_state == OS_STATE_READONLY)
1623 GOTO(out, rc = -EROFS);
1625 #ifdef USE_HEALTH_CHECK_WRITE
1626 OBD_ALLOC(info->fti_buf.lb_buf, PAGE_CACHE_SIZE);
1627 if (info->fti_buf.lb_buf == NULL)
1628 GOTO(out, rc = -ENOMEM);
1630 info->fti_buf.lb_len = PAGE_CACHE_SIZE;
1633 th = dt_trans_create(&env, ofd->ofd_osd);
1635 GOTO(out, rc = PTR_ERR(th));
1637 rc = dt_declare_record_write(&env, ofd->ofd_health_check_file,
1638 info->fti_buf.lb_len, info->fti_off, th);
1640 th->th_sync = 1; /* sync IO is needed */
1641 rc = dt_trans_start_local(&env, ofd->ofd_osd, th);
1643 rc = dt_record_write(&env, ofd->ofd_health_check_file,
1644 &info->fti_buf, &info->fti_off,
1647 dt_trans_stop(&env, ofd->ofd_osd, th);
1649 OBD_FREE(info->fti_buf.lb_buf, PAGE_CACHE_SIZE);
1651 CDEBUG(D_INFO, "write 1 page synchronously for checking io rc %d\n",rc);
1659 * Handle quota control requests to consult current usage/limit.
1661 * \param obd - is the obd device associated with the ofd
1662 * \param exp - is the client's export
1663 * \param oqctl - is the obd_quotactl request to be processed
1665 static int ofd_quotactl(struct obd_device *obd, struct obd_export *exp,
1666 struct obd_quotactl *oqctl)
1668 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
1673 /* report success for quota on/off for interoperability with current MDT
1675 if (oqctl->qc_cmd == Q_QUOTAON || oqctl->qc_cmd == Q_QUOTAOFF)
1678 rc = lu_env_init(&env, LCT_DT_THREAD);
1682 rc = lquotactl_slv(&env, ofd->ofd_osd, oqctl);
1688 struct obd_ops ofd_obd_ops = {
1689 .o_owner = THIS_MODULE,
1690 .o_connect = ofd_obd_connect,
1691 .o_reconnect = ofd_obd_reconnect,
1692 .o_disconnect = ofd_obd_disconnect,
1693 .o_set_info_async = ofd_set_info_async,
1694 .o_get_info = ofd_get_info,
1695 .o_create = ofd_create,
1696 .o_statfs = ofd_statfs,
1697 .o_setattr = ofd_setattr,
1698 .o_preprw = ofd_preprw,
1699 .o_commitrw = ofd_commitrw,
1700 .o_destroy = ofd_destroy,
1701 .o_init_export = ofd_init_export,
1702 .o_destroy_export = ofd_destroy_export,
1703 .o_postrecov = ofd_obd_postrecov,
1704 .o_punch = ofd_punch,
1705 .o_getattr = ofd_getattr,
1707 .o_iocontrol = ofd_iocontrol,
1708 .o_precleanup = ofd_precleanup,
1710 .o_health_check = ofd_health_check,
1711 .o_quotactl = ofd_quotactl,