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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/ofd/lproc_ofd.c
34 * This file provides functions of procfs interface for OBD Filter Device (OFD).
36 * Author: Andreas Dilger <andreas.dilger@intel.com>
37 * Author: Mikhail Pershin <mike.pershin@intel.com>
38 * Author: Johann Lombardi <johann.lombardi@intel.com>
39 * Author: Fan Yong <fan.yong@intel.com>
42 #define DEBUG_SUBSYSTEM S_CLASS
45 #include <lprocfs_status.h>
46 #include <linux/seq_file.h>
47 #include <lustre_lfsck.h>
49 #include "ofd_internal.h"
54 * Show number of FID allocation sequences.
56 * \param[in] m seq_file handle
57 * \param[in] data unused for single entry
59 * \retval 0 on success
60 * \retval negative value on error
62 static ssize_t seqs_allocated_show(struct kobject *kobj, struct attribute *attr,
65 struct obd_device *obd = container_of(kobj, struct obd_device,
67 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
69 return sprintf(buf, "%u\n", ofd->ofd_seq_count);
71 LUSTRE_RO_ATTR(seqs_allocated);
74 * Show total number of grants for precreate.
76 * \param[in] m seq_file handle
77 * \param[in] data unused for single entry
79 * \retval 0 on success
80 * \retval negative value on error
82 static ssize_t grant_precreate_show(struct kobject *kobj,
83 struct attribute *attr,
86 struct obd_device *obd = container_of(kobj, struct obd_device,
89 return sprintf(buf, "%ld\n",
90 obd->obd_self_export->exp_target_data.ted_grant);
92 LUSTRE_RO_ATTR(grant_precreate);
95 * Show number of precreates allowed in a single transaction.
97 * \param[in] m seq_file handle
98 * \param[in] data unused for single entry
100 * \retval 0 on success
101 * \retval negative value on error
103 static ssize_t precreate_batch_show(struct kobject *kobj,
104 struct attribute *attr,
107 struct obd_device *obd = container_of(kobj, struct obd_device,
109 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
111 return sprintf(buf, "%d\n", ofd->ofd_precreate_batch);
115 * Change number of precreates allowed in a single transaction.
117 * \param[in] file proc file
118 * \param[in] buffer string which represents maximum number
119 * \param[in] count \a buffer length
120 * \param[in] off unused for single entry
122 * \retval \a count on success
123 * \retval negative number on error
125 static ssize_t precreate_batch_store(struct kobject *kobj,
126 struct attribute *attr,
127 const char *buffer, size_t count)
129 struct obd_device *obd = container_of(kobj, struct obd_device,
131 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
135 rc = kstrtouint(buffer, 0, &val);
139 if (val < 1 || val > 65536)
142 spin_lock(&ofd->ofd_batch_lock);
143 ofd->ofd_precreate_batch = val;
144 spin_unlock(&ofd->ofd_batch_lock);
147 LUSTRE_RW_ATTR(precreate_batch);
150 * Show the last used ID for each FID sequence used by OFD.
152 * \param[in] m seq_file handle
153 * \param[in] data unused for single entry
155 * \retval 0 on success
156 * \retval negative value on error
158 static int ofd_last_id_seq_show(struct seq_file *m, void *data)
160 struct obd_device *obd = m->private;
161 struct ofd_device *ofd;
162 struct ofd_seq *oseq = NULL;
167 ofd = ofd_dev(obd->obd_lu_dev);
169 read_lock(&ofd->ofd_seq_list_lock);
170 list_for_each_entry(oseq, &ofd->ofd_seq_list, os_list) {
173 seq = ostid_seq(&oseq->os_oi) == 0 ?
174 fid_idif_seq(ostid_id(&oseq->os_oi),
175 ofd->ofd_lut.lut_lsd.lsd_osd_index) :
176 ostid_seq(&oseq->os_oi);
177 seq_printf(m, DOSTID"\n", seq, ostid_id(&oseq->os_oi));
179 read_unlock(&ofd->ofd_seq_list_lock);
183 LPROC_SEQ_FOPS_RO(ofd_last_id);
186 * Show if the OFD is in degraded mode.
188 * Degraded means OFD has a failed drive or is undergoing RAID rebuild.
189 * The MDS will try to avoid using this OST for new object allocations
190 * to reduce the impact to global IO performance when clients writing to
191 * this OST are slowed down. It also reduces the contention on the OST
192 * RAID device, allowing it to rebuild more quickly.
194 * \param[in] m seq_file handle
195 * \param[in] data unused for single entry
197 * \retval 0 on success
198 * \retval negative value on error
200 static ssize_t degraded_show(struct kobject *kobj, struct attribute *attr,
203 struct obd_device *obd = container_of(kobj, struct obd_device,
205 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
207 return sprintf(buf, "%u\n", ofd->ofd_raid_degraded);
211 * Set OFD to degraded mode.
213 * This is used to interface to userspace administrative tools for
214 * the underlying RAID storage, so that they can mark an OST
215 * as having degraded performance.
217 * \param[in] file proc file
218 * \param[in] buffer string which represents mode
219 * 1: set degraded mode
220 * 0: unset degraded mode
221 * \param[in] count \a buffer length
222 * \param[in] off unused for single entry
224 * \retval \a count on success
225 * \retval negative number on error
227 static ssize_t degraded_store(struct kobject *kobj, struct attribute *attr,
228 const char *buffer, size_t count)
230 struct obd_device *obd = container_of(kobj, struct obd_device,
232 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
236 rc = kstrtobool(buffer, &val);
240 spin_lock(&ofd->ofd_flags_lock);
241 ofd->ofd_raid_degraded = val;
242 spin_unlock(&ofd->ofd_flags_lock);
245 LUSTRE_RW_ATTR(degraded);
248 * Show OFD filesystem type.
250 * \param[in] m seq_file handle
251 * \param[in] data unused for single entry
253 * \retval 0 on success
254 * \retval negative value on error
256 static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
259 struct obd_device *obd = container_of(kobj, struct obd_device,
261 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
264 LASSERT(ofd->ofd_osd);
265 d = &ofd->ofd_osd->dd_lu_dev;
267 return sprintf(buf, "%s\n", d->ld_type->ldt_name);
269 LUSTRE_RO_ATTR(fstype);
272 * Show journal handling mode: synchronous or asynchronous.
274 * When running in asynchronous mode the journal transactions are not
275 * committed to disk before the RPC is replied back to the client.
276 * This will typically improve client performance when only a small number
277 * of clients are writing, since the client(s) can have more write RPCs
278 * in flight. However, it also means that the client has to handle recovery
279 * on bulk RPCs, and will have to keep more dirty pages in cache before they
280 * are committed on the OST.
282 * \param[in] m seq_file handle
283 * \param[in] data unused for single entry
285 * \retval 0 on success
286 * \retval negative value on error
288 static ssize_t sync_journal_show(struct kobject *kobj, struct attribute *attr,
291 struct obd_device *obd = container_of(kobj, struct obd_device,
293 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
295 return sprintf(buf, "%u\n", ofd->ofd_sync_journal);
299 * Set journal mode to synchronous or asynchronous.
301 * \param[in] file proc file
302 * \param[in] buffer string which represents mode
303 * 1: synchronous mode
304 * 0: asynchronous mode
305 * \param[in] count \a buffer length
306 * \param[in] off unused for single entry
308 * \retval \a count on success
309 * \retval negative number on error
311 static ssize_t sync_journal_store(struct kobject *kobj, struct attribute *attr,
312 const char *buffer, size_t count)
314 struct obd_device *obd = container_of(kobj, struct obd_device,
316 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
320 rc = kstrtobool(buffer, &val);
324 spin_lock(&ofd->ofd_flags_lock);
325 ofd->ofd_sync_journal = val;
327 spin_unlock(&ofd->ofd_flags_lock);
331 LUSTRE_RW_ATTR(sync_journal);
333 static int ofd_brw_size_seq_show(struct seq_file *m, void *data)
335 struct obd_device *obd = m->private;
336 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
338 seq_printf(m, "%u\n", ofd->ofd_brw_size / ONE_MB_BRW_SIZE);
343 ofd_brw_size_seq_write(struct file *file, const char __user *buffer,
344 size_t count, loff_t *off)
346 struct seq_file *m = file->private_data;
347 struct obd_device *obd = m->private;
348 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
352 rc = lprocfs_str_with_units_to_s64(buffer, count, &val, 'M');
359 if (val > DT_MAX_BRW_SIZE ||
360 val < (1 << ofd->ofd_lut.lut_tgd.tgd_blockbits))
363 spin_lock(&ofd->ofd_flags_lock);
364 ofd->ofd_brw_size = val;
365 spin_unlock(&ofd->ofd_flags_lock);
370 LPROC_SEQ_FOPS(ofd_brw_size);
373 * Show the limit of soft sync RPCs.
375 * This value defines how many IO RPCs with OBD_BRW_SOFT_SYNC flag
376 * are allowed before sync update will be triggered.
378 * \param[in] m seq_file handle
379 * \param[in] data unused for single entry
381 * \retval 0 on success
382 * \retval negative value on error
384 static ssize_t soft_sync_limit_show(struct kobject *kobj,
385 struct attribute *attr, char *buf)
387 struct obd_device *obd = container_of(kobj, struct obd_device,
389 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
391 return sprintf(buf, "%u\n", ofd->ofd_soft_sync_limit);
395 * Change the limit of soft sync RPCs.
397 * Define how many IO RPCs with OBD_BRW_SOFT_SYNC flag
398 * allowed before sync update will be done.
400 * This limit is global across all exports.
402 * \param[in] file proc file
403 * \param[in] buffer string which represents limit
404 * \param[in] count \a buffer length
405 * \param[in] off unused for single entry
407 * \retval \a count on success
408 * \retval negative number on error
410 static ssize_t soft_sync_limit_store(struct kobject *kobj,
411 struct attribute *attr,
412 const char *buffer, size_t count)
414 struct obd_device *obd = container_of(kobj, struct obd_device,
416 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
420 rc = kstrtouint(buffer, 0, &val);
424 ofd->ofd_soft_sync_limit = val;
427 LUSTRE_RW_ATTR(soft_sync_limit);
430 * Show the LFSCK speed limit.
432 * The maximum number of items scanned per second.
434 * \param[in] m seq_file handle
435 * \param[in] data unused for single entry
437 * \retval 0 on success
438 * \retval negative value on error
440 static ssize_t lfsck_speed_limit_show(struct kobject *kobj,
441 struct attribute *attr, char *buf)
443 struct obd_device *obd = container_of(kobj, struct obd_device,
445 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
447 return lfsck_get_speed(NULL, buf, ofd->ofd_osd);
451 * Change the LFSCK speed limit.
453 * Limit number of items that may be scanned per second.
455 * \param[in] file proc file
456 * \param[in] buffer string which represents limit
457 * \param[in] count \a buffer length
458 * \param[in] off unused for single entry
460 * \retval \a count on success
461 * \retval negative number on error
463 static ssize_t lfsck_speed_limit_store(struct kobject *kobj,
464 struct attribute *attr,
465 const char *buffer, size_t count)
467 struct obd_device *obd = container_of(kobj, struct obd_device,
469 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
473 rc = kstrtouint(buffer, 0, &val);
477 rc = lfsck_set_speed(ofd->ofd_osd, val);
479 return rc != 0 ? rc : count;
481 LUSTRE_RW_ATTR(lfsck_speed_limit);
484 * Show LFSCK layout verification stats from the most recent LFSCK run.
486 * \param[in] m seq_file handle
487 * \param[in] data unused for single entry
489 * \retval 0 on success
490 * \retval negative value on error
492 static int ofd_lfsck_layout_seq_show(struct seq_file *m, void *data)
494 struct obd_device *obd = m->private;
495 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
497 return lfsck_dump(m, ofd->ofd_osd, LFSCK_TYPE_LAYOUT);
500 LPROC_SEQ_FOPS_RO(ofd_lfsck_layout);
503 * Show if LFSCK performed parent FID verification.
505 * \param[in] m seq_file handle
506 * \param[in] data unused for single entry
508 * \retval 0 on success
509 * \retval negative value on error
511 static int ofd_lfsck_verify_pfid_seq_show(struct seq_file *m, void *data)
513 struct obd_device *obd = m->private;
514 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
516 seq_printf(m, "switch: %s\ndetected: %llu\nrepaired: %llu\n",
517 ofd->ofd_lfsck_verify_pfid ? "on" : "off",
518 ofd->ofd_inconsistency_self_detected,
519 ofd->ofd_inconsistency_self_repaired);
524 * Set the LFSCK behavior to verify parent FID correctness.
526 * If flag ofd_lfsck_verify_pfid is set then LFSCK does parent FID
527 * verification during read/write operations.
529 * \param[in] file proc file
530 * \param[in] buffer string which represents behavior
531 * 1: verify parent FID
532 * 0: don't verify parent FID
533 * \param[in] count \a buffer length
534 * \param[in] off unused for single entry
536 * \retval \a count on success
537 * \retval negative number on error
540 ofd_lfsck_verify_pfid_seq_write(struct file *file, const char __user *buffer,
541 size_t count, loff_t *off)
543 struct seq_file *m = file->private_data;
544 struct obd_device *obd = m->private;
545 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
549 rc = kstrtobool_from_user(buffer, count, &val);
553 ofd->ofd_lfsck_verify_pfid = val;
554 if (!ofd->ofd_lfsck_verify_pfid) {
555 ofd->ofd_inconsistency_self_detected = 0;
556 ofd->ofd_inconsistency_self_repaired = 0;
562 LPROC_SEQ_FOPS(ofd_lfsck_verify_pfid);
564 static int ofd_site_stats_seq_show(struct seq_file *m, void *data)
566 struct obd_device *obd = m->private;
568 return lu_site_stats_seq_print(obd->obd_lu_dev->ld_site, m);
571 LPROC_SEQ_FOPS_RO(ofd_site_stats);
574 * Show if the OFD enforces T10PI checksum.
576 * \param[in] m seq_file handle
577 * \param[in] data unused for single entry
579 * \retval 0 on success
580 * \retval negative value on error
582 static ssize_t checksum_t10pi_enforce_show(struct kobject *kobj,
583 struct attribute *attr,
586 struct obd_device *obd = container_of(kobj, struct obd_device,
588 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
590 return sprintf(buf, "%u\n", ofd->ofd_checksum_t10pi_enforce);
594 * Force specific T10PI checksum modes to be enabled
596 * If T10PI *is* supported in hardware, allow only the supported T10PI type
597 * to be used. If T10PI is *not* supported by the OSD, setting the enforce
598 * parameter forces all T10PI types to be enabled (even if slower) for
601 * The final determination of which algorithm to be used depends whether
602 * the client supports T10PI or not, and is handled at client connect time.
604 * \param[in] file proc file
605 * \param[in] buffer string which represents mode
606 * 1: set T10PI checksums enforced
607 * 0: unset T10PI checksums enforced
608 * \param[in] count \a buffer length
609 * \param[in] off unused for single entry
611 * \retval \a count on success
612 * \retval negative number on error
614 static ssize_t checksum_t10pi_enforce_store(struct kobject *kobj,
615 struct attribute *attr,
616 const char *buffer, size_t count)
618 struct obd_device *obd = container_of(kobj, struct obd_device,
620 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
624 rc = kstrtobool(buffer, &enforce);
628 spin_lock(&ofd->ofd_flags_lock);
629 ofd->ofd_checksum_t10pi_enforce = enforce;
630 spin_unlock(&ofd->ofd_flags_lock);
633 LUSTRE_RW_ATTR(checksum_t10pi_enforce);
635 LPROC_SEQ_FOPS_RO_TYPE(ofd, recovery_status);
636 LPROC_SEQ_FOPS_RW_TYPE(ofd, recovery_time_soft);
637 LPROC_SEQ_FOPS_RW_TYPE(ofd, recovery_time_hard);
638 LPROC_SEQ_FOPS_WR_ONLY(ofd, evict_client);
639 LPROC_SEQ_FOPS_RO_TYPE(ofd, num_exports);
640 LPROC_SEQ_FOPS_RO_TYPE(ofd, target_instance);
641 LPROC_SEQ_FOPS_RW_TYPE(ofd, ir_factor);
642 LPROC_SEQ_FOPS_RW_TYPE(ofd, checksum_dump);
643 LPROC_SEQ_FOPS_RW_TYPE(ofd, job_interval);
645 LPROC_SEQ_FOPS_RO(tgt_tot_dirty);
646 LPROC_SEQ_FOPS_RO(tgt_tot_granted);
647 LPROC_SEQ_FOPS_RO(tgt_tot_pending);
648 LPROC_SEQ_FOPS(tgt_grant_compat_disable);
650 struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
652 .fops = &ofd_last_id_fops },
653 { .name = "tot_dirty",
654 .fops = &tgt_tot_dirty_fops },
655 { .name = "tot_pending",
656 .fops = &tgt_tot_pending_fops },
657 { .name = "tot_granted",
658 .fops = &tgt_tot_granted_fops },
659 { .name = "recovery_status",
660 .fops = &ofd_recovery_status_fops },
661 { .name = "recovery_time_soft",
662 .fops = &ofd_recovery_time_soft_fops },
663 { .name = "recovery_time_hard",
664 .fops = &ofd_recovery_time_hard_fops },
665 { .name = "evict_client",
666 .fops = &ofd_evict_client_fops },
667 { .name = "num_exports",
668 .fops = &ofd_num_exports_fops },
669 { .name = "brw_size",
670 .fops = &ofd_brw_size_fops },
671 { .name = "instance",
672 .fops = &ofd_target_instance_fops },
673 { .name = "ir_factor",
674 .fops = &ofd_ir_factor_fops },
675 { .name = "checksum_dump",
676 .fops = &ofd_checksum_dump_fops },
677 { .name = "grant_compat_disable",
678 .fops = &tgt_grant_compat_disable_fops },
679 { .name = "job_cleanup_interval",
680 .fops = &ofd_job_interval_fops },
681 { .name = "lfsck_layout",
682 .fops = &ofd_lfsck_layout_fops },
683 { .name = "lfsck_verify_pfid",
684 .fops = &ofd_lfsck_verify_pfid_fops },
685 { .name = "site_stats",
686 .fops = &ofd_site_stats_fops },
691 * Initialize OFD statistics counters
693 * param[in] stats statistics counters
695 void ofd_stats_counter_init(struct lprocfs_stats *stats)
697 LASSERT(stats && stats->ls_num >= LPROC_OFD_STATS_LAST);
699 lprocfs_counter_init(stats, LPROC_OFD_STATS_READ,
700 LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
701 lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE,
702 LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes");
703 lprocfs_counter_init(stats, LPROC_OFD_STATS_GETATTR,
704 0, "getattr", "reqs");
705 lprocfs_counter_init(stats, LPROC_OFD_STATS_SETATTR,
706 0, "setattr", "reqs");
707 lprocfs_counter_init(stats, LPROC_OFD_STATS_PUNCH,
709 lprocfs_counter_init(stats, LPROC_OFD_STATS_SYNC,
711 lprocfs_counter_init(stats, LPROC_OFD_STATS_DESTROY,
712 0, "destroy", "reqs");
713 lprocfs_counter_init(stats, LPROC_OFD_STATS_CREATE,
714 0, "create", "reqs");
715 lprocfs_counter_init(stats, LPROC_OFD_STATS_STATFS,
716 0, "statfs", "reqs");
717 lprocfs_counter_init(stats, LPROC_OFD_STATS_GET_INFO,
718 0, "get_info", "reqs");
719 lprocfs_counter_init(stats, LPROC_OFD_STATS_SET_INFO,
720 0, "set_info", "reqs");
721 lprocfs_counter_init(stats, LPROC_OFD_STATS_QUOTACTL,
722 0, "quotactl", "reqs");
725 LPROC_SEQ_FOPS(lprocfs_nid_stats_clear);
727 static struct attribute *ofd_attrs[] = {
728 &lustre_attr_seqs_allocated.attr,
729 &lustre_attr_grant_precreate.attr,
730 &lustre_attr_precreate_batch.attr,
731 &lustre_attr_degraded.attr,
732 &lustre_attr_fstype.attr,
733 &lustre_attr_sync_journal.attr,
734 &lustre_attr_soft_sync_limit.attr,
735 &lustre_attr_lfsck_speed_limit.attr,
736 &lustre_attr_checksum_t10pi_enforce.attr,
741 * Initialize all needed procfs entries for OFD device.
743 * \param[in] ofd OFD device
745 * \retval 0 if successful
746 * \retval negative value on error
748 int ofd_tunables_init(struct ofd_device *ofd)
750 struct obd_device *obd = ofd_obd(ofd);
751 struct proc_dir_entry *entry;
755 /* lprocfs must be setup before the ofd so state can be safely added
756 * to /proc incrementally as the ofd is setup
758 obd->obd_ktype.default_attrs = ofd_attrs;
759 obd->obd_vars = lprocfs_ofd_obd_vars;
760 rc = lprocfs_obd_setup(obd, false);
762 CERROR("%s: lprocfs_obd_setup failed: %d.\n",
767 rc = tgt_tunables_init(&ofd->ofd_lut);
769 CERROR("%s: tgt_tunables_init failed: rc = %d\n",
771 GOTO(obd_cleanup, rc);
774 rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_STATS_LAST);
776 CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n",
778 GOTO(tgt_cleanup, rc);
781 entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
784 CERROR("%s: error %d setting up lprocfs for %s\n",
785 obd->obd_name, rc, "exports");
786 GOTO(obd_free_stats, rc);
788 obd->obd_proc_exports_entry = entry;
790 entry = lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
791 obd, &lprocfs_nid_stats_clear_fops);
794 CERROR("%s: add proc entry 'clear' failed: %d.\n",
796 GOTO(obd_free_stats, rc);
799 ofd_stats_counter_init(obd->obd_stats);
801 rc = lprocfs_job_stats_init(obd, LPROC_OFD_STATS_LAST,
802 ofd_stats_counter_init);
804 GOTO(obd_free_stats, rc);
809 lprocfs_free_obd_stats(obd);
811 tgt_tunables_fini(&ofd->ofd_lut);
813 lprocfs_obd_cleanup(obd);
817 #endif /* CONFIG_PROC_FS */