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, 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_LAST;
83 stats->nid_stats = lprocfs_alloc_stats(num_stats,
84 LPROCFS_STATS_FLAG_NOPERCPU);
85 if (stats->nid_stats == NULL)
88 lprocfs_init_ops_stats(LPROC_OFD_LAST, stats->nid_stats);
89 lprocfs_counter_init(stats->nid_stats, LPROC_OFD_READ_BYTES,
90 LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
91 lprocfs_counter_init(stats->nid_stats, LPROC_OFD_WRITE_BYTES,
92 LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes");
94 rc = lprocfs_register_stats(stats->nid_proc, "stats",
99 rc = lprocfs_nid_ldlm_stats_init(stats);
101 lprocfs_free_stats(&stats->nid_stats);
110 static int ofd_parse_connect_data(const struct lu_env *env,
111 struct obd_export *exp,
112 struct obd_connect_data *data,
115 struct ofd_device *ofd = ofd_exp(exp);
116 struct filter_export_data *fed = &exp->exp_filter_data;
121 CDEBUG(D_RPCTRACE, "%s: cli %s/%p ocd_connect_flags: "LPX64
122 " ocd_version: %x ocd_grant: %d ocd_index: %u"
124 exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
125 data->ocd_connect_flags, data->ocd_version,
126 data->ocd_grant, data->ocd_index, data->ocd_group);
128 if (fed->fed_group != 0 && fed->fed_group != data->ocd_group) {
129 CWARN("!!! This export (nid %s) used object group %d "
130 "earlier; now it's trying to use group %d! This could "
131 "be a bug in the MDS. Please report to "
132 "http://bugs.whamcloud.com/\n",
133 obd_export_nid2str(exp), fed->fed_group,
137 fed->fed_group = data->ocd_group;
139 data->ocd_connect_flags &= OST_CONNECT_SUPPORTED;
140 exp->exp_connect_data = *data;
141 data->ocd_version = LUSTRE_VERSION_CODE;
143 /* Kindly make sure the SKIP_ORPHAN flag is from MDS. */
144 if (data->ocd_connect_flags & OBD_CONNECT_MDS)
145 CDEBUG(D_HA, "%s: Received MDS connection for group %u\n",
146 exp->exp_obd->obd_name, data->ocd_group);
147 else if (data->ocd_connect_flags & OBD_CONNECT_SKIP_ORPHAN)
150 if (ofd_grant_param_supp(exp)) {
151 exp->exp_filter_data.fed_pagesize = data->ocd_blocksize;
152 /* ocd_{blocksize,inodespace} are log2 values */
153 data->ocd_blocksize = ofd->ofd_blockbits;
154 data->ocd_inodespace = ofd->ofd_dt_conf.ddp_inodespace;
155 /* ocd_grant_extent is in 1K blocks */
156 data->ocd_grant_extent = ofd->ofd_dt_conf.ddp_grant_frag >> 10;
159 if (exp_connect_flags(exp) & OBD_CONNECT_GRANT)
160 data->ocd_grant = ofd_grant_connect(env, exp, data->ocd_grant,
163 if (data->ocd_connect_flags & OBD_CONNECT_INDEX) {
164 struct lr_server_data *lsd = &ofd->ofd_lut.lut_lsd;
165 int index = lsd->lsd_osd_index;
167 if (index != data->ocd_index) {
168 LCONSOLE_ERROR_MSG(0x136, "Connection from %s to index"
169 " %u doesn't match actual OST index"
170 " %u in last_rcvd file, bad "
172 obd_export_nid2str(exp), index,
176 if (!(lsd->lsd_feature_compat & OBD_COMPAT_OST)) {
177 /* this will only happen on the first connect */
178 lsd->lsd_feature_compat |= OBD_COMPAT_OST;
179 /* sync is not needed here as lut_client_add will
180 * set exp_need_sync flag */
181 tgt_server_data_update(env, &ofd->ofd_lut, 0);
184 if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_SIZE)) {
185 data->ocd_brw_size = 65536;
186 } else if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
187 data->ocd_brw_size = min(data->ocd_brw_size,
188 (__u32)DT_MAX_BRW_SIZE);
189 if (data->ocd_brw_size == 0) {
190 CERROR("%s: cli %s/%p ocd_connect_flags: "LPX64
191 " ocd_version: %x ocd_grant: %d ocd_index: %u "
192 "ocd_brw_size is unexpectedly zero, "
193 "network data corruption?"
194 "Refusing connection of this client\n",
195 exp->exp_obd->obd_name,
196 exp->exp_client_uuid.uuid,
197 exp, data->ocd_connect_flags, data->ocd_version,
198 data->ocd_grant, data->ocd_index);
203 if (data->ocd_connect_flags & OBD_CONNECT_CKSUM) {
204 __u32 cksum_types = data->ocd_cksum_types;
206 /* The client set in ocd_cksum_types the checksum types it
207 * supports. We have to mask off the algorithms that we don't
209 data->ocd_cksum_types &= cksum_types_supported_server();
211 if (unlikely(data->ocd_cksum_types == 0)) {
212 CERROR("%s: Connect with checksum support but no "
213 "ocd_cksum_types is set\n",
214 exp->exp_obd->obd_name);
218 CDEBUG(D_RPCTRACE, "%s: cli %s supports cksum type %x, return "
219 "%x\n", exp->exp_obd->obd_name, obd_export_nid2str(exp),
220 cksum_types, data->ocd_cksum_types);
222 /* This client does not support OBD_CONNECT_CKSUM
223 * fall back to CRC32 */
224 CDEBUG(D_RPCTRACE, "%s: cli %s does not support "
225 "OBD_CONNECT_CKSUM, CRC32 will be used\n",
226 exp->exp_obd->obd_name, obd_export_nid2str(exp));
229 if (data->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
230 data->ocd_maxbytes = ofd->ofd_dt_conf.ddp_maxbytes;
232 if (OCD_HAS_FLAG(data, PINGLESS)) {
233 if (ptlrpc_pinger_suppress_pings()) {
234 spin_lock(&exp->exp_obd->obd_dev_lock);
235 list_del_init(&exp->exp_obd_chain_timed);
236 spin_unlock(&exp->exp_obd->obd_dev_lock);
238 data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS;
245 static int ofd_obd_reconnect(const struct lu_env *env, struct obd_export *exp,
246 struct obd_device *obd, struct obd_uuid *cluuid,
247 struct obd_connect_data *data, void *localdata)
249 struct ofd_device *ofd;
254 if (exp == NULL || obd == NULL || cluuid == NULL)
257 ofd = ofd_dev(obd->obd_lu_dev);
259 rc = lu_env_refill((struct lu_env *)env);
261 CERROR("Failure to refill session: '%d'\n", rc);
265 ofd_info_init(env, exp);
266 rc = ofd_parse_connect_data(env, exp, data, false);
268 ofd_export_stats_init(ofd, exp, localdata);
273 static int ofd_obd_connect(const struct lu_env *env, struct obd_export **_exp,
274 struct obd_device *obd, struct obd_uuid *cluuid,
275 struct obd_connect_data *data, void *localdata)
277 struct obd_export *exp;
278 struct ofd_device *ofd;
279 struct lustre_handle conn = { 0 };
283 if (_exp == NULL || obd == NULL || cluuid == NULL)
286 ofd = ofd_dev(obd->obd_lu_dev);
288 rc = class_connect(&conn, obd, cluuid);
292 exp = class_conn2export(&conn);
293 LASSERT(exp != NULL);
295 rc = lu_env_refill((struct lu_env *)env);
297 CERROR("Failure to refill session: '%d'\n", rc);
301 ofd_info_init(env, exp);
303 rc = ofd_parse_connect_data(env, exp, data, true);
307 if (obd->obd_replayable) {
308 struct tg_export_data *ted = &exp->exp_target_data;
310 memcpy(ted->ted_lcd->lcd_uuid, cluuid,
311 sizeof(ted->ted_lcd->lcd_uuid));
312 rc = tgt_client_new(env, exp);
315 ofd_export_stats_init(ofd, exp, localdata);
318 CDEBUG(D_HA, "%s: get connection from MDS %d\n", obd->obd_name,
319 data ? data->ocd_group : -1);
323 class_disconnect(exp);
331 static int ofd_obd_disconnect(struct obd_export *exp)
333 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
340 class_export_get(exp);
342 if (!(exp->exp_flags & OBD_OPT_FORCE))
343 ofd_grant_sanity_check(ofd_obd(ofd), __FUNCTION__);
345 rc = server_disconnect_export(exp);
347 ofd_grant_discard(exp);
349 rc = lu_env_init(&env, LCT_DT_THREAD);
353 /* Do not erase record for recoverable client. */
354 if (exp->exp_obd->obd_replayable &&
355 (!exp->exp_obd->obd_fail || exp->exp_failed))
356 tgt_client_del(&env, exp);
359 class_export_put(exp);
363 static int ofd_init_export(struct obd_export *exp)
367 spin_lock_init(&exp->exp_filter_data.fed_lock);
368 CFS_INIT_LIST_HEAD(&exp->exp_filter_data.fed_mod_list);
369 spin_lock(&exp->exp_lock);
370 exp->exp_connecting = 1;
371 spin_unlock(&exp->exp_lock);
373 /* self-export doesn't need client data and ldlm initialization */
374 if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
375 &exp->exp_client_uuid)))
378 rc = tgt_client_alloc(exp);
380 ldlm_init_export(exp);
382 CERROR("%s: Can't initialize export: rc %d\n",
383 exp->exp_obd->obd_name, rc);
387 static int ofd_destroy_export(struct obd_export *exp)
389 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
391 if (exp->exp_filter_data.fed_pending)
392 CERROR("%s: cli %s/%p has %lu pending on destroyed export"
393 "\n", exp->exp_obd->obd_name, exp->exp_client_uuid.uuid,
394 exp, exp->exp_filter_data.fed_pending);
396 target_destroy_export(exp);
398 if (unlikely(obd_uuid_equals(&exp->exp_obd->obd_uuid,
399 &exp->exp_client_uuid)))
402 ldlm_destroy_export(exp);
403 tgt_client_free(exp);
405 ofd_fmd_cleanup(exp);
408 * discard grants once we're sure no more
409 * interaction with the client is possible
411 ofd_grant_discard(exp);
412 ofd_fmd_cleanup(exp);
414 if (exp_connect_flags(exp) & OBD_CONNECT_GRANT_SHRINK) {
415 if (ofd->ofd_tot_granted_clients > 0)
416 ofd->ofd_tot_granted_clients --;
419 if (!(exp->exp_flags & OBD_OPT_FORCE))
420 ofd_grant_sanity_check(exp->exp_obd, __FUNCTION__);
422 LASSERT(cfs_list_empty(&exp->exp_filter_data.fed_mod_list));
426 int ofd_postrecov(const struct lu_env *env, struct ofd_device *ofd)
428 struct lu_device *ldev = &ofd->ofd_dt_dev.dd_lu_dev;
430 CDEBUG(D_HA, "%s: recovery is over\n", ofd_obd(ofd)->obd_name);
431 return ldev->ld_ops->ldo_recovery_complete(env, ldev);
434 int ofd_obd_postrecov(struct obd_device *obd)
437 struct lu_device *ldev = obd->obd_lu_dev;
442 rc = lu_env_init(&env, LCT_DT_THREAD);
445 ofd_info_init(&env, obd->obd_self_export);
447 rc = ofd_postrecov(&env, ofd_dev(ldev));
453 static int ofd_adapt_sptlrpc_conf(const struct lu_env *env,
454 struct obd_device *obd, int initial)
456 struct filter_obd *fo = &obd->u.filter;
457 struct sptlrpc_rule_set tmp_rset;
460 sptlrpc_rule_set_init(&tmp_rset);
461 rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial);
463 CERROR("%s: failed get sptlrpc rules: rc = %d\n",
468 sptlrpc_target_update_exp_flavor(obd, &tmp_rset);
470 write_lock(&fo->fo_sptlrpc_lock);
471 sptlrpc_rule_set_free(&fo->fo_sptlrpc_rset);
472 fo->fo_sptlrpc_rset = tmp_rset;
473 write_unlock(&fo->fo_sptlrpc_lock);
478 static int ofd_set_mds_conn(struct obd_export *exp, void *val)
484 LCONSOLE_WARN("%s: received MDS connection from %s\n",
485 exp->exp_obd->obd_name, obd_export_nid2str(exp));
489 static int ofd_set_info_async(const struct lu_env *env, struct obd_export *exp,
490 __u32 keylen, void *key, __u32 vallen, void *val,
491 struct ptlrpc_request_set *set)
493 struct ofd_device *ofd;
498 if (exp->exp_obd == NULL) {
499 CDEBUG(D_IOCTL, "invalid export %p\n", exp);
505 if (KEY_IS(KEY_CAPA_KEY)) {
506 rc = ofd_update_capa_key(ofd, val);
508 CERROR("%s: update capability key failed: rc = %d\n",
509 exp->exp_obd->obd_name, rc);
510 } else if (KEY_IS(KEY_SPTLRPC_CONF)) {
511 ofd_adapt_sptlrpc_conf(env, exp->exp_obd, 0);
512 } else if (KEY_IS(KEY_MDS_CONN)) {
513 rc = ofd_set_mds_conn(exp, val);
514 } else if (KEY_IS(KEY_GRANT_SHRINK)) {
515 struct ost_body *body = val;
517 ofd_info_init(env, exp);
518 /** handle grant shrink, similar to a read request */
519 ofd_grant_prepare_read(env, exp, &body->oa);
521 CERROR("%s: Unsupported key %s\n",
522 exp->exp_obd->obd_name, (char*)key);
529 static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
530 __u32 keylen, void *key, __u32 *vallen, void *val,
531 struct lov_stripe_md *lsm)
533 struct ofd_device *ofd;
538 if (exp->exp_obd == NULL) {
539 CDEBUG(D_IOCTL, "invalid client export %p\n", exp);
543 /* Because ofd_get_info might be called from
544 * handle_request_in as well(see LU-3239), where env might
545 * not be initilaized correctly, and le_ses might be in
546 * an un-initialized state, so only refill le_ctx here */
547 rc = lu_env_refill((struct lu_env *)env);
553 if (KEY_IS(KEY_BLOCKSIZE)) {
554 __u32 *blocksize = val;
556 if (*vallen < sizeof(*blocksize))
557 GOTO(out, rc = -EOVERFLOW);
558 *blocksize = 1 << ofd->ofd_dt_conf.ddp_block_shift;
560 *vallen = sizeof(*blocksize);
561 } else if (KEY_IS(KEY_BLOCKSIZE_BITS)) {
562 __u32 *blocksize_bits = val;
563 if (blocksize_bits) {
564 if (*vallen < sizeof(*blocksize_bits))
565 GOTO(out, rc = -EOVERFLOW);
566 *blocksize_bits = ofd->ofd_dt_conf.ddp_block_shift;
568 *vallen = sizeof(*blocksize_bits);
569 } else if (KEY_IS(KEY_LAST_ID)) {
570 obd_id *last_id = val;
571 struct ofd_seq *oseq;
574 *vallen = sizeof(obd_id);
577 ofd_info_init(env, exp);
578 oseq = ofd_seq_load(env, ofd,
579 (obd_seq)exp->exp_filter_data.fed_group);
580 LASSERT(!IS_ERR(oseq));
582 if (*vallen < sizeof(*last_id)) {
583 ofd_seq_put(env, oseq);
584 GOTO(out, rc = -EOVERFLOW);
586 *last_id = ofd_seq_last_oid(oseq);
588 ofd_seq_put(env, oseq);
589 *vallen = sizeof(*last_id);
590 } else if (KEY_IS(KEY_FIEMAP)) {
591 struct ofd_device *ofd = ofd_exp(exp);
592 struct ofd_object *fo;
593 struct ll_fiemap_info_key *fm_key = key;
597 *vallen = fiemap_count_to_size(
598 fm_key->fiemap.fm_extent_count);
602 rc = ostid_to_fid(&fid, &fm_key->oa.o_oi, 0);
605 CDEBUG(D_INODE, "get FIEMAP of object "DFID"\n",
608 fo = ofd_object_find(env, ofd, &fid);
610 CERROR("%s: error finding object "DFID"\n",
611 exp->exp_obd->obd_name, PFID(&fid));
614 struct ll_user_fiemap *fiemap = val;
616 ofd_read_lock(env, fo);
617 if (ofd_object_exists(fo)) {
618 *fiemap = fm_key->fiemap;
619 rc = dt_fiemap_get(env,
620 ofd_object_child(fo),
625 ofd_read_unlock(env, fo);
626 ofd_object_put(env, fo);
628 } else if (KEY_IS(KEY_SYNC_LOCK_CANCEL)) {
629 *((__u32 *) val) = ofd->ofd_sync_lock_cancel;
630 *vallen = sizeof(__u32);
631 } else if (KEY_IS(KEY_LAST_FID)) {
632 struct ofd_device *ofd = ofd_exp(exp);
633 struct ofd_seq *oseq;
634 struct lu_fid *fid = val;
638 *vallen = sizeof(struct lu_fid);
642 if (*vallen < sizeof(*fid))
643 GOTO(out, rc = -EOVERFLOW);
645 ofd_info_init(env, exp);
647 fid_le_to_cpu(fid, fid);
649 oseq = ofd_seq_load(env, ofd,
650 ostid_seq((struct ost_id *)fid));
652 GOTO(out, rc = PTR_ERR(oseq));
654 rc = ostid_to_fid(fid, &oseq->os_oi,
655 ofd->ofd_lut.lut_lsd.lsd_osd_index);
659 CDEBUG(D_HA, "%s: LAST FID is "DFID"\n", ofd_name(ofd),
661 *vallen = sizeof(*fid);
663 ofd_seq_put(env, oseq);
665 CERROR("Not supported key %s\n", (char*)key);
672 /** helper function for statfs, also used by grant code */
673 int ofd_statfs_internal(const struct lu_env *env, struct ofd_device *ofd,
674 struct obd_statfs *osfs, __u64 max_age, int *from_cache)
678 spin_lock(&ofd->ofd_osfs_lock);
679 if (cfs_time_before_64(ofd->ofd_osfs_age, max_age) || max_age == 0) {
682 /* statfs data are too old, get up-to-date one.
683 * we must be cautious here since multiple threads might be
684 * willing to update statfs data concurrently and we must
685 * grant that cached statfs data are always consistent */
687 if (ofd->ofd_statfs_inflight == 0)
688 /* clear inflight counter if no users, although it would
689 * take a while to overflow this 64-bit counter ... */
690 ofd->ofd_osfs_inflight = 0;
691 /* notify ofd_grant_commit() that we want to track writes
692 * completed as of now */
693 ofd->ofd_statfs_inflight++;
694 /* record value of inflight counter before running statfs to
695 * compute the diff once statfs is completed */
696 unstable = ofd->ofd_osfs_inflight;
697 spin_unlock(&ofd->ofd_osfs_lock);
699 /* statfs can sleep ... hopefully not for too long since we can
700 * call it fairly often as space fills up */
701 rc = dt_statfs(env, ofd->ofd_osd, osfs);
705 spin_lock(&ofd->ofd_grant_lock);
706 spin_lock(&ofd->ofd_osfs_lock);
707 /* calculate how much space was written while we released the
709 unstable = ofd->ofd_osfs_inflight - unstable;
710 ofd->ofd_osfs_unstable = 0;
712 /* some writes completed while we were running statfs
713 * w/o the ofd_osfs_lock. Those ones got added to
714 * the cached statfs data that we are about to crunch.
715 * Take them into account in the new statfs data */
716 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
717 unstable >> ofd->ofd_blockbits);
718 /* However, we don't really know if those writes got
719 * accounted in the statfs call, so tell
720 * ofd_grant_space_left() there is some uncertainty
721 * on the accounting of those writes.
722 * The purpose is to prevent spurious error messages in
723 * ofd_grant_space_left() since those writes might be
724 * accounted twice. */
725 ofd->ofd_osfs_unstable += unstable;
727 /* similarly, there is some uncertainty on write requests
728 * between prepare & commit */
729 ofd->ofd_osfs_unstable += ofd->ofd_tot_pending;
730 spin_unlock(&ofd->ofd_grant_lock);
732 /* finally udpate cached statfs data */
733 ofd->ofd_osfs = *osfs;
734 ofd->ofd_osfs_age = cfs_time_current_64();
736 ofd->ofd_statfs_inflight--; /* stop tracking */
737 if (ofd->ofd_statfs_inflight == 0)
738 ofd->ofd_osfs_inflight = 0;
739 spin_unlock(&ofd->ofd_osfs_lock);
744 /* use cached statfs data */
745 *osfs = ofd->ofd_osfs;
746 spin_unlock(&ofd->ofd_osfs_lock);
753 static int ofd_statfs(const struct lu_env *env, struct obd_export *exp,
754 struct obd_statfs *osfs, __u64 max_age, __u32 flags)
756 struct obd_device *obd = class_exp2obd(exp);
757 struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev);
762 rc = ofd_statfs_internal(env, ofd, osfs, max_age, NULL);
766 /* at least try to account for cached pages. its still racy and
767 * might be under-reporting if clients haven't announced their
768 * caches with brw recently */
770 CDEBUG(D_SUPER | D_CACHE, "blocks cached "LPU64" granted "LPU64
771 " pending "LPU64" free "LPU64" avail "LPU64"\n",
772 ofd->ofd_tot_dirty, ofd->ofd_tot_granted, ofd->ofd_tot_pending,
773 osfs->os_bfree << ofd->ofd_blockbits,
774 osfs->os_bavail << ofd->ofd_blockbits);
776 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
777 ((ofd->ofd_tot_dirty + ofd->ofd_tot_pending +
778 osfs->os_bsize - 1) >> ofd->ofd_blockbits));
780 /* The QoS code on the MDS does not care about space reserved for
781 * precreate, so take it out. */
782 if (exp_connect_flags(exp) & OBD_CONNECT_MDS) {
783 struct filter_export_data *fed;
785 fed = &obd->obd_self_export->exp_filter_data;
786 osfs->os_bavail -= min_t(obd_size, osfs->os_bavail,
787 fed->fed_grant >> ofd->ofd_blockbits);
790 ofd_grant_sanity_check(obd, __FUNCTION__);
791 CDEBUG(D_CACHE, LPU64" blocks: "LPU64" free, "LPU64" avail; "
792 LPU64" objects: "LPU64" free; state %x\n",
793 osfs->os_blocks, osfs->os_bfree, osfs->os_bavail,
794 osfs->os_files, osfs->os_ffree, osfs->os_state);
796 if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOINO,
797 ofd->ofd_lut.lut_lsd.lsd_osd_index))
800 /* OS_STATE_READONLY can be set by OSD already */
801 if (ofd->ofd_raid_degraded)
802 osfs->os_state |= OS_STATE_DEGRADED;
804 if (obd->obd_self_export != exp && ofd_grant_compat(exp, ofd)) {
805 /* clients which don't support OBD_CONNECT_GRANT_PARAM
806 * should not see a block size > page size, otherwise
807 * cl_lost_grant goes mad. Therefore, we emulate a 4KB (=2^12)
808 * block size which is the biggest block size known to work
809 * with all client's page size. */
810 osfs->os_blocks <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
811 osfs->os_bfree <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
812 osfs->os_bavail <<= ofd->ofd_blockbits - COMPAT_BSIZE_SHIFT;
813 osfs->os_bsize = 1 << COMPAT_BSIZE_SHIFT;
816 if (OBD_FAIL_CHECK_VALUE(OBD_FAIL_OST_ENOSPC,
817 ofd->ofd_lut.lut_lsd.lsd_osd_index))
818 osfs->os_bfree = osfs->os_bavail = 2;
825 int ofd_setattr(const struct lu_env *env, struct obd_export *exp,
826 struct obd_info *oinfo, struct obd_trans_info *oti)
828 struct ofd_thread_info *info;
829 struct ofd_device *ofd = ofd_exp(exp);
830 struct ldlm_namespace *ns = ofd->ofd_namespace;
831 struct ldlm_resource *res;
832 struct ofd_object *fo;
833 struct obdo *oa = oinfo->oi_oa;
834 struct filter_fid *ff = NULL;
839 info = ofd_info_init(env, exp);
840 ofd_oti2info(info, oti);
842 rc = ostid_to_fid(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
846 ost_fid_build_resid(&info->fti_fid, &info->fti_resid);
847 rc = ofd_auth_capa(exp, &info->fti_fid, ostid_seq(&oa->o_oi),
848 oinfo_capa(oinfo), CAPA_OPC_META_WRITE);
852 /* This would be very bad - accidentally truncating a file when
853 * changing the time or similar - bug 12203. */
854 if (oinfo->oi_oa->o_valid & OBD_MD_FLSIZE &&
855 oinfo->oi_policy.l_extent.end != OBD_OBJECT_EOF) {
856 static char mdsinum[48];
858 if (oinfo->oi_oa->o_valid & OBD_MD_FLFID)
859 snprintf(mdsinum, sizeof(mdsinum) - 1,
860 "of parent "DFID, oinfo->oi_oa->o_parent_seq,
861 oinfo->oi_oa->o_parent_oid, 0);
865 CERROR("%s: setattr from %s trying to truncate object "DFID
866 " %s\n", exp->exp_obd->obd_name,
867 obd_export_nid2str(exp), PFID(&info->fti_fid), mdsinum);
868 GOTO(out, rc = -EPERM);
871 fo = ofd_object_find(env, ofd, &info->fti_fid);
873 CERROR("%s: can't find object "DFID"\n",
874 exp->exp_obd->obd_name, PFID(&info->fti_fid));
875 GOTO(out, rc = PTR_ERR(fo));
878 la_from_obdo(&info->fti_attr, oinfo->oi_oa, oinfo->oi_oa->o_valid);
879 info->fti_attr.la_valid &= ~LA_TYPE;
881 if (oa->o_valid & OBD_MD_FLFID) {
882 ff = &info->fti_mds_fid;
883 ofd_prepare_fidea(ff, oa);
886 /* setting objects attributes (including owner/group) */
887 rc = ofd_attr_set(env, fo, &info->fti_attr, ff);
889 GOTO(out_unlock, rc);
891 res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
893 ldlm_res_lvbo_update(res, NULL, 0);
894 ldlm_resource_putref(res);
897 ofd_info2oti(info, oti);
899 ofd_counter_incr(exp, LPROC_OFD_STATS_SETATTR, oti->oti_jobid, 1);
902 ofd_object_put(env, fo);
907 static int ofd_punch(const struct lu_env *env, struct obd_export *exp,
908 struct obd_info *oinfo, struct obd_trans_info *oti,
909 struct ptlrpc_request_set *rqset)
911 struct ofd_thread_info *info;
912 struct ofd_device *ofd = ofd_exp(exp);
913 struct ldlm_namespace *ns = ofd->ofd_namespace;
914 struct ldlm_resource *res;
915 struct ofd_object *fo;
916 struct filter_fid *ff = NULL;
921 info = ofd_info_init(env, exp);
922 ofd_oti2info(info, oti);
924 rc = ostid_to_fid(&info->fti_fid, &oinfo->oi_oa->o_oi, 0);
927 ost_fid_build_resid(&info->fti_fid, &info->fti_resid);
929 CDEBUG(D_INODE, "calling punch for object "DFID", valid = "LPX64
930 ", start = "LPD64", end = "LPD64"\n", PFID(&info->fti_fid),
931 oinfo->oi_oa->o_valid, oinfo->oi_policy.l_extent.start,
932 oinfo->oi_policy.l_extent.end);
934 rc = ofd_auth_capa(exp, &info->fti_fid, ostid_seq(&oinfo->oi_oa->o_oi),
935 oinfo_capa(oinfo), CAPA_OPC_OSS_TRUNC);
939 fo = ofd_object_find(env, ofd, &info->fti_fid);
941 CERROR("%s: error finding object "DFID": rc = %ld\n",
942 exp->exp_obd->obd_name, PFID(&info->fti_fid),
944 GOTO(out_env, rc = PTR_ERR(fo));
947 LASSERT(oinfo->oi_policy.l_extent.end == OBD_OBJECT_EOF);
948 if (oinfo->oi_policy.l_extent.end == OBD_OBJECT_EOF) {
950 oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.start;
951 } else if (oinfo->oi_policy.l_extent.end >= oinfo->oi_oa->o_size) {
952 oinfo->oi_oa->o_size = oinfo->oi_policy.l_extent.end;
955 la_from_obdo(&info->fti_attr, oinfo->oi_oa,
956 OBD_MD_FLMTIME | OBD_MD_FLATIME | OBD_MD_FLCTIME);
957 info->fti_attr.la_valid &= ~LA_TYPE;
958 info->fti_attr.la_size = oinfo->oi_policy.l_extent.start;
959 info->fti_attr.la_valid |= LA_SIZE;
961 if (oinfo->oi_oa->o_valid & OBD_MD_FLFID) {
962 ff = &info->fti_mds_fid;
963 ofd_prepare_fidea(ff, oinfo->oi_oa);
966 rc = ofd_object_punch(env, fo, oinfo->oi_policy.l_extent.start,
967 oinfo->oi_policy.l_extent.end, &info->fti_attr,
972 res = ldlm_resource_get(ns, NULL, &info->fti_resid, LDLM_EXTENT, 0);
974 ldlm_res_lvbo_update(res, NULL, 0);
975 ldlm_resource_putref(res);
978 oinfo->oi_oa->o_valid = OBD_MD_FLID;
979 /* Quota release needs uid/gid info */
980 rc = ofd_attr_get(env, fo, &info->fti_attr);
981 obdo_from_la(oinfo->oi_oa, &info->fti_attr,
982 OFD_VALID_FLAGS | LA_UID | LA_GID);
983 ofd_info2oti(info, oti);
985 ofd_counter_incr(exp, LPROC_OFD_STATS_PUNCH, oti->oti_jobid, 1);
988 ofd_object_put(env, fo);
993 static int ofd_destroy_by_fid(const struct lu_env *env,
994 struct ofd_device *ofd,
995 const struct lu_fid *fid, int orphan)
997 struct ofd_thread_info *info = ofd_info(env);
998 struct lustre_handle lockh;
999 __u64 flags = LDLM_FL_AST_DISCARD_DATA;
1001 ldlm_policy_data_t policy = {
1002 .l_extent = { 0, OBD_OBJECT_EOF }
1004 struct ofd_object *fo;
1008 fo = ofd_object_find(env, ofd, fid);
1010 RETURN(PTR_ERR(fo));
1011 if (!ofd_object_exists(fo))
1012 GOTO(out, rc = -ENOENT);
1014 /* Tell the clients that the object is gone now and that they should
1015 * throw away any cached pages. */
1016 ost_fid_build_resid(fid, &info->fti_resid);
1017 rc = ldlm_cli_enqueue_local(ofd->ofd_namespace, &info->fti_resid,
1018 LDLM_EXTENT, &policy, LCK_PW, &flags,
1019 ldlm_blocking_ast, ldlm_completion_ast,
1020 NULL, NULL, 0, LVB_T_NONE, NULL, &lockh);
1022 /* We only care about the side-effects, just drop the lock. */
1024 ldlm_lock_decref(&lockh, LCK_PW);
1026 LASSERT(fo != NULL);
1028 rc = ofd_object_destroy(env, fo, orphan);
1031 ofd_object_put(env, fo);
1035 int ofd_destroy(const struct lu_env *env, struct obd_export *exp,
1036 struct obdo *oa, struct lov_stripe_md *md,
1037 struct obd_trans_info *oti, struct obd_export *md_exp,
1040 struct ofd_device *ofd = ofd_exp(exp);
1041 struct ofd_thread_info *info;
1047 info = ofd_info_init(env, exp);
1048 ofd_oti2info(info, oti);
1050 if (!(oa->o_valid & OBD_MD_FLGROUP))
1051 ostid_set_seq_mdt0(&oa->o_oi);
1053 /* check that o_misc makes sense */
1054 if (oa->o_valid & OBD_MD_FLOBJCOUNT)
1057 count = 1; /* default case - single destroy */
1060 * There can be sequence of objects to destroy. Therefore this request
1061 * may have multiple transaction involved in. It is OK, we need only
1062 * the highest used transno to be reported back in reply but not for
1063 * replays, they must report their transno
1065 if (info->fti_transno == 0) /* not replay */
1066 info->fti_mult_trans = 1;
1068 CDEBUG(D_HA, "%s: Destroy object "DOSTID" count %d\n", ofd_name(ofd),
1069 POSTID(&oa->o_oi), count);
1073 lrc = ostid_to_fid(&info->fti_fid, &oa->o_oi, 0);
1079 lrc = ofd_destroy_by_fid(env, ofd, &info->fti_fid, 0);
1080 if (lrc == -ENOENT) {
1082 "%s: destroying non-existent object "DFID"\n",
1083 ofd_obd(ofd)->obd_name, PFID(&info->fti_fid));
1084 /* rewrite rc with -ENOENT only if it is 0 */
1087 } else if (lrc != 0) {
1088 CERROR("%s: error destroying object "DFID": %d\n",
1089 ofd_obd(ofd)->obd_name, PFID(&info->fti_fid),
1094 ostid_inc_id(&oa->o_oi);
1097 /* if we have transaction then there were some deletions, we don't
1098 * need to return ENOENT in that case because it will not wait
1099 * for commit of these deletions. The ENOENT must be returned only
1100 * if there were no transations.
1102 if (rc == -ENOENT) {
1103 if (info->fti_transno != 0)
1105 } else if (rc != 0) {
1107 * If we have at least one transaction then llog record
1108 * on server will be removed upon commit, so for rc != 0
1109 * we return no transno and llog record will be reprocessed.
1111 info->fti_transno = 0;
1113 ofd_info2oti(info, oti);
1118 static int ofd_orphans_destroy(const struct lu_env *env,
1119 struct obd_export *exp, struct ofd_device *ofd,
1122 struct ofd_thread_info *info = ofd_info(env);
1126 struct ost_id oi = oa->o_oi;
1127 __u64 end_id = ostid_id(&oa->o_oi);
1128 struct ofd_seq *oseq;
1132 oseq = ofd_seq_get(ofd, ostid_seq(&oa->o_oi));
1134 CERROR("%s: Can not find seq for "DOSTID"\n",
1135 ofd_name(ofd), POSTID(&oa->o_oi));
1139 LASSERT(exp != NULL);
1140 skip_orphan = !!(exp_connect_flags(exp) & OBD_CONNECT_SKIP_ORPHAN);
1142 last = ofd_seq_last_oid(oseq);
1143 LCONSOLE(D_INFO, "%s: deleting orphan objects from "DOSTID
1144 " to "DOSTID"\n", ofd_name(ofd), ostid_seq(&oa->o_oi),
1145 end_id + 1, ostid_seq(&oa->o_oi), last);
1147 for (ostid_set_id(&oi, last); ostid_id(&oi) > end_id;
1148 ostid_dec_id(&oi)) {
1149 rc = ostid_to_fid(&info->fti_fid, &oi, 0);
1152 rc = ofd_destroy_by_fid(env, ofd, &info->fti_fid, 1);
1153 if (rc && rc != -ENOENT) /* this is pretty fatal... */
1154 CEMERG("%s: error destroying precreated id "DOSTID
1155 ": rc = %d\n", ofd_name(ofd), POSTID(&oi), rc);
1157 ofd_seq_last_oid_set(oseq, ostid_id(&oi) - 1);
1158 /* update last_id on disk periodically so that if we
1159 * restart * we don't need to re-scan all of the just
1160 * deleted objects. */
1161 if ((ostid_id(&oi) & 511) == 0)
1162 ofd_seq_last_oid_write(env, ofd, oseq);
1165 CDEBUG(D_HA, "%s: after destroy: set last_id to "DOSTID"\n",
1166 ofd_obd(ofd)->obd_name, POSTID(&oa->o_oi));
1168 rc = ofd_seq_last_oid_write(env, ofd, oseq);
1170 /* don't reuse orphan object, return last used objid */
1171 ostid_set_id(&oa->o_oi, last);
1175 ofd_seq_put(env, oseq);
1179 int ofd_create(const struct lu_env *env, struct obd_export *exp,
1180 struct obdo *oa, struct lov_stripe_md **ea,
1181 struct obd_trans_info *oti)
1183 struct ofd_device *ofd = ofd_exp(exp);
1184 struct ofd_thread_info *info;
1185 obd_seq seq = ostid_seq(&oa->o_oi);
1186 struct ofd_seq *oseq;
1192 info = ofd_info_init(env, exp);
1193 ofd_oti2info(info, oti);
1195 LASSERT(ostid_seq(&oa->o_oi) >= FID_SEQ_OST_MDT0);
1196 LASSERT(oa->o_valid & OBD_MD_FLGROUP);
1198 CDEBUG(D_INFO, "ofd_create("DOSTID")\n", POSTID(&oa->o_oi));
1200 oseq = ofd_seq_load(env, ofd, seq);
1202 CERROR("%s: Can't find FID Sequence "LPX64": rc = %ld\n",
1203 ofd_name(ofd), seq, PTR_ERR(oseq));
1207 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
1208 (oa->o_flags & OBD_FL_RECREATE_OBJS)) {
1209 if (!ofd_obd(ofd)->obd_recovering ||
1210 ostid_id(&oa->o_oi) > ofd_seq_last_oid(oseq)) {
1211 CERROR("recreate objid "DOSTID" > last id "LPU64"\n",
1212 POSTID(&oa->o_oi), ofd_seq_last_oid(oseq));
1213 GOTO(out_nolock, rc = -EINVAL);
1215 /* do nothing because we create objects during first write */
1216 GOTO(out_nolock, rc = 0);
1218 /* former ofd_handle_precreate */
1219 if ((oa->o_valid & OBD_MD_FLFLAGS) &&
1220 (oa->o_flags & OBD_FL_DELORPHAN)) {
1221 /* destroy orphans */
1222 if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
1223 CERROR("%s: dropping old orphan cleanup request\n",
1225 GOTO(out_nolock, rc = 0);
1227 /* This causes inflight precreates to abort and drop lock */
1228 oseq->os_destroys_in_progress = 1;
1229 mutex_lock(&oseq->os_create_lock);
1230 if (!oseq->os_destroys_in_progress) {
1231 CERROR("%s:["LPU64"] destroys_in_progress already"
1232 " cleared\n", exp->exp_obd->obd_name,
1233 ostid_seq(&oa->o_oi));
1234 ostid_set_id(&oa->o_oi, ofd_seq_last_oid(oseq));
1237 diff = ostid_id(&oa->o_oi) - ofd_seq_last_oid(oseq);
1238 CDEBUG(D_HA, "ofd_last_id() = "LPU64" -> diff = %d\n",
1239 ofd_seq_last_oid(oseq), diff);
1240 if (-diff > OST_MAX_PRECREATE) {
1241 /* FIXME: should reset precreate_next_id on MDS */
1243 } else if (diff < 0) {
1244 rc = ofd_orphans_destroy(env, exp, ofd, oa);
1245 oseq->os_destroys_in_progress = 0;
1247 /* XXX: Used by MDS for the first time! */
1248 oseq->os_destroys_in_progress = 0;
1251 mutex_lock(&oseq->os_create_lock);
1252 if (oti->oti_conn_cnt < exp->exp_conn_cnt) {
1253 CERROR("%s: dropping old precreate request\n",
1254 ofd_obd(ofd)->obd_name);
1257 /* only precreate if seq is 0, IDIF or normal and also o_id
1258 * must be specfied */
1259 if ((!fid_seq_is_mdt(ostid_seq(&oa->o_oi)) &&
1260 !fid_seq_is_norm(ostid_seq(&oa->o_oi)) &&
1261 !fid_seq_is_idif(ostid_seq(&oa->o_oi))) ||
1262 ostid_id(&oa->o_oi) == 0) {
1263 diff = 1; /* shouldn't we create this right now? */
1265 diff = ostid_id(&oa->o_oi) - ofd_seq_last_oid(oseq);
1266 /* Do sync create if the seq is about to used up */
1267 if (fid_seq_is_idif(ostid_seq(&oa->o_oi)) ||
1268 fid_seq_is_mdt0(ostid_seq(&oa->o_oi))) {
1269 if (unlikely(ostid_id(&oa->o_oi) >= IDIF_MAX_OID - 1))
1271 } else if (fid_seq_is_norm(ostid_seq(&oa->o_oi))) {
1272 if (unlikely(ostid_id(&oa->o_oi) >=
1273 LUSTRE_DATA_SEQ_MAX_WIDTH - 1))
1276 CERROR("%s : invalid o_seq "DOSTID": rc = %d\n",
1277 ofd_name(ofd), POSTID(&oa->o_oi), -EINVAL);
1278 GOTO(out, rc = -EINVAL);
1283 cfs_time_t enough_time = cfs_time_shift(DISK_TIMEOUT);
1288 if (!(oa->o_valid & OBD_MD_FLFLAGS) ||
1289 !(oa->o_flags & OBD_FL_DELORPHAN)) {
1290 /* don't enforce grant during orphan recovery */
1291 rc = ofd_grant_create(env,
1292 ofd_obd(ofd)->obd_self_export,
1295 CDEBUG(D_HA, "%s: failed to acquire grant "
1296 "space for precreate (%d): rc = %d\n",
1297 ofd_name(ofd), diff, rc);
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,