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 * \retval count of bytes written
196 static ssize_t degraded_show(struct kobject *kobj, struct attribute *attr,
199 struct obd_device *obd = container_of(kobj, struct obd_device,
201 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
203 return sprintf(buf, "%u\n", ofd->ofd_raid_degraded);
207 * Set OFD to degraded mode.
209 * This is used to interface to userspace administrative tools for
210 * the underlying RAID storage, so that they can mark an OST
211 * as having degraded performance.
213 * \param[in] count \a buffer length
214 * \param[in] off unused for single entry
216 * \retval \a count on success
217 * \retval negative number on error
219 static ssize_t degraded_store(struct kobject *kobj, struct attribute *attr,
220 const char *buffer, size_t count)
222 struct obd_device *obd = container_of(kobj, struct obd_device,
224 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
228 rc = kstrtobool(buffer, &val);
232 spin_lock(&ofd->ofd_flags_lock);
233 ofd->ofd_raid_degraded = val;
234 spin_unlock(&ofd->ofd_flags_lock);
237 LUSTRE_RW_ATTR(degraded);
240 * Show if the OFD is in no precreate mode.
242 * This means OFD has been adminstratively disabled at the OST to prevent
243 * the MDS from creating any new files on the OST, though existing files
244 * can still be read, written, and unlinked.
246 * \retval number of bytes written
248 static ssize_t no_precreate_show(struct kobject *kobj, struct attribute *attr,
251 struct obd_device *obd = container_of(kobj, struct obd_device,
253 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
255 return snprintf(buf, PAGE_SIZE, "%u\n", ofd->ofd_no_precreate);
259 * Set OFD to no precreate mode.
261 * This is used to interface to userspace administrative tools to
262 * disable new object creation on the OST.
264 * \param[in] count \a buffer length
266 * \retval \a count on success
267 * \retval negative number on error
269 static ssize_t no_precreate_store(struct kobject *kobj, struct attribute *attr,
270 const char *buffer, size_t count)
272 struct obd_device *obd = container_of(kobj, struct obd_device,
274 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
278 rc = kstrtobool(buffer, &val);
282 spin_lock(&ofd->ofd_flags_lock);
283 ofd->ofd_no_precreate = val;
284 spin_unlock(&ofd->ofd_flags_lock);
288 LUSTRE_RW_ATTR(no_precreate);
291 * Show OFD filesystem type.
293 * \param[in] m seq_file handle
294 * \param[in] data unused for single entry
296 * \retval 0 on success
297 * \retval negative value on error
299 static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
302 struct obd_device *obd = container_of(kobj, struct obd_device,
304 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
307 LASSERT(ofd->ofd_osd);
308 d = &ofd->ofd_osd->dd_lu_dev;
310 return sprintf(buf, "%s\n", d->ld_type->ldt_name);
312 LUSTRE_RO_ATTR(fstype);
315 * Show journal handling mode: synchronous or asynchronous.
317 * When running in asynchronous mode the journal transactions are not
318 * committed to disk before the RPC is replied back to the client.
319 * This will typically improve client performance when only a small number
320 * of clients are writing, since the client(s) can have more write RPCs
321 * in flight. However, it also means that the client has to handle recovery
322 * on bulk RPCs, and will have to keep more dirty pages in cache before they
323 * are committed on the OST.
325 * \param[in] m seq_file handle
326 * \param[in] data unused for single entry
328 * \retval 0 on success
329 * \retval negative value on error
331 static ssize_t sync_journal_show(struct kobject *kobj, struct attribute *attr,
334 struct obd_device *obd = container_of(kobj, struct obd_device,
336 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
338 return sprintf(buf, "%u\n", ofd->ofd_sync_journal);
342 * Set journal mode to synchronous or asynchronous.
344 * \param[in] file proc file
345 * \param[in] buffer string which represents mode
346 * 1: synchronous mode
347 * 0: asynchronous mode
348 * \param[in] count \a buffer length
349 * \param[in] off unused for single entry
351 * \retval \a count on success
352 * \retval negative number on error
354 static ssize_t sync_journal_store(struct kobject *kobj, struct attribute *attr,
355 const char *buffer, size_t count)
357 struct obd_device *obd = container_of(kobj, struct obd_device,
359 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
363 rc = kstrtobool(buffer, &val);
367 spin_lock(&ofd->ofd_flags_lock);
368 ofd->ofd_sync_journal = val;
370 spin_unlock(&ofd->ofd_flags_lock);
374 LUSTRE_RW_ATTR(sync_journal);
376 static int ofd_brw_size_seq_show(struct seq_file *m, void *data)
378 struct obd_device *obd = m->private;
379 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
381 seq_printf(m, "%u\n", ofd->ofd_brw_size / ONE_MB_BRW_SIZE);
386 ofd_brw_size_seq_write(struct file *file, const char __user *buffer,
387 size_t count, loff_t *off)
389 struct seq_file *m = file->private_data;
390 struct obd_device *obd = m->private;
391 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
395 rc = lprocfs_str_with_units_to_s64(buffer, count, &val, 'M');
402 if (val > DT_MAX_BRW_SIZE ||
403 val < (1 << ofd->ofd_lut.lut_tgd.tgd_blockbits))
406 spin_lock(&ofd->ofd_flags_lock);
407 ofd->ofd_brw_size = val;
408 spin_unlock(&ofd->ofd_flags_lock);
413 LPROC_SEQ_FOPS(ofd_brw_size);
416 * Show the limit of soft sync RPCs.
418 * This value defines how many IO RPCs with OBD_BRW_SOFT_SYNC flag
419 * are allowed before sync update will be triggered.
421 * \param[in] m seq_file handle
422 * \param[in] data unused for single entry
424 * \retval 0 on success
425 * \retval negative value on error
427 static ssize_t soft_sync_limit_show(struct kobject *kobj,
428 struct attribute *attr, char *buf)
430 struct obd_device *obd = container_of(kobj, struct obd_device,
432 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
434 return sprintf(buf, "%u\n", ofd->ofd_soft_sync_limit);
438 * Change the limit of soft sync RPCs.
440 * Define how many IO RPCs with OBD_BRW_SOFT_SYNC flag
441 * allowed before sync update will be done.
443 * This limit is global across all exports.
445 * \param[in] file proc file
446 * \param[in] buffer string which represents limit
447 * \param[in] count \a buffer length
448 * \param[in] off unused for single entry
450 * \retval \a count on success
451 * \retval negative number on error
453 static ssize_t soft_sync_limit_store(struct kobject *kobj,
454 struct attribute *attr,
455 const char *buffer, size_t count)
457 struct obd_device *obd = container_of(kobj, struct obd_device,
459 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
463 rc = kstrtouint(buffer, 0, &val);
467 ofd->ofd_soft_sync_limit = val;
470 LUSTRE_RW_ATTR(soft_sync_limit);
473 * Show the LFSCK speed limit.
475 * The maximum number of items scanned per second.
477 * \param[in] m seq_file handle
478 * \param[in] data unused for single entry
480 * \retval 0 on success
481 * \retval negative value on error
483 static ssize_t lfsck_speed_limit_show(struct kobject *kobj,
484 struct attribute *attr, char *buf)
486 struct obd_device *obd = container_of(kobj, struct obd_device,
488 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
490 return lfsck_get_speed(buf, ofd->ofd_osd);
494 * Change the LFSCK speed limit.
496 * Limit number of items that may be scanned per second.
498 * \param[in] file proc file
499 * \param[in] buffer string which represents limit
500 * \param[in] count \a buffer length
501 * \param[in] off unused for single entry
503 * \retval \a count on success
504 * \retval negative number on error
506 static ssize_t lfsck_speed_limit_store(struct kobject *kobj,
507 struct attribute *attr,
508 const char *buffer, size_t count)
510 struct obd_device *obd = container_of(kobj, struct obd_device,
512 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
516 rc = kstrtouint(buffer, 0, &val);
520 rc = lfsck_set_speed(ofd->ofd_osd, val);
522 return rc != 0 ? rc : count;
524 LUSTRE_RW_ATTR(lfsck_speed_limit);
527 * Show LFSCK layout verification stats from the most recent LFSCK run.
529 * \param[in] m seq_file handle
530 * \param[in] data unused for single entry
532 * \retval 0 on success
533 * \retval negative value on error
535 static int ofd_lfsck_layout_seq_show(struct seq_file *m, void *data)
537 struct obd_device *obd = m->private;
538 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
540 return lfsck_dump(m, ofd->ofd_osd, LFSCK_TYPE_LAYOUT);
543 LPROC_SEQ_FOPS_RO(ofd_lfsck_layout);
546 * Show if LFSCK performed parent FID verification.
548 * \param[in] m seq_file handle
549 * \param[in] data unused for single entry
551 * \retval 0 on success
552 * \retval negative value on error
554 static int ofd_lfsck_verify_pfid_seq_show(struct seq_file *m, void *data)
556 struct obd_device *obd = m->private;
557 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
559 seq_printf(m, "switch: %s\ndetected: %llu\nrepaired: %llu\n",
560 ofd->ofd_lfsck_verify_pfid ? "on" : "off",
561 ofd->ofd_inconsistency_self_detected,
562 ofd->ofd_inconsistency_self_repaired);
567 * Set the LFSCK behavior to verify parent FID correctness.
569 * If flag ofd_lfsck_verify_pfid is set then LFSCK does parent FID
570 * verification during read/write operations.
572 * \param[in] file proc file
573 * \param[in] buffer string which represents behavior
574 * 1: verify parent FID
575 * 0: don't verify parent FID
576 * \param[in] count \a buffer length
577 * \param[in] off unused for single entry
579 * \retval \a count on success
580 * \retval negative number on error
583 ofd_lfsck_verify_pfid_seq_write(struct file *file, const char __user *buffer,
584 size_t count, loff_t *off)
586 struct seq_file *m = file->private_data;
587 struct obd_device *obd = m->private;
588 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
592 rc = kstrtobool_from_user(buffer, count, &val);
596 ofd->ofd_lfsck_verify_pfid = val;
597 if (!ofd->ofd_lfsck_verify_pfid) {
598 ofd->ofd_inconsistency_self_detected = 0;
599 ofd->ofd_inconsistency_self_repaired = 0;
605 LPROC_SEQ_FOPS(ofd_lfsck_verify_pfid);
607 static int ofd_site_stats_seq_show(struct seq_file *m, void *data)
609 struct obd_device *obd = m->private;
611 return lu_site_stats_seq_print(obd->obd_lu_dev->ld_site, m);
614 LPROC_SEQ_FOPS_RO(ofd_site_stats);
617 * Show if the OFD enforces T10PI checksum.
619 * \param[in] m seq_file handle
620 * \param[in] data unused for single entry
622 * \retval 0 on success
623 * \retval negative value on error
625 static ssize_t checksum_t10pi_enforce_show(struct kobject *kobj,
626 struct attribute *attr,
629 struct obd_device *obd = container_of(kobj, struct obd_device,
631 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
633 return sprintf(buf, "%u\n", ofd->ofd_checksum_t10pi_enforce);
637 * Force specific T10PI checksum modes to be enabled
639 * If T10PI *is* supported in hardware, allow only the supported T10PI type
640 * to be used. If T10PI is *not* supported by the OSD, setting the enforce
641 * parameter forces all T10PI types to be enabled (even if slower) for
644 * The final determination of which algorithm to be used depends whether
645 * the client supports T10PI or not, and is handled at client connect time.
647 * \param[in] file proc file
648 * \param[in] buffer string which represents mode
649 * 1: set T10PI checksums enforced
650 * 0: unset T10PI checksums enforced
651 * \param[in] count \a buffer length
652 * \param[in] off unused for single entry
654 * \retval \a count on success
655 * \retval negative number on error
657 static ssize_t checksum_t10pi_enforce_store(struct kobject *kobj,
658 struct attribute *attr,
659 const char *buffer, size_t count)
661 struct obd_device *obd = container_of(kobj, struct obd_device,
663 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
667 rc = kstrtobool(buffer, &enforce);
671 spin_lock(&ofd->ofd_flags_lock);
672 ofd->ofd_checksum_t10pi_enforce = enforce;
673 spin_unlock(&ofd->ofd_flags_lock);
676 LUSTRE_RW_ATTR(checksum_t10pi_enforce);
678 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
679 static bool max_file_warned;
680 static bool rd_cache_warned;
681 static bool wr_cache_warned;
683 static ssize_t read_cache_enable_show(struct kobject *kobj,
684 struct attribute *attr,
687 struct obd_device *obd = container_of(kobj, struct obd_device,
689 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
691 if (!rd_cache_warned) {
692 rd_cache_warned = true;
693 pr_info("ofd: 'obdfilter.*.read_cache_enabled' is deprecated, use 'osd-*.read_cache_enabled' instead\n");
696 if (!ofd->ofd_read_cache_enable)
699 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
700 ofd->ofd_read_cache_enable, buf);
703 static ssize_t read_cache_enable_store(struct kobject *kobj,
704 struct attribute *attr,
705 const char *buffer, size_t count)
707 struct obd_device *obd = container_of(kobj, struct obd_device,
709 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
711 if (!rd_cache_warned) {
712 rd_cache_warned = true;
713 pr_info("ofd: 'obdfilter.*.read_cache_enabled' is deprecated, use 'osd-*.read_cache_enabled' instead\n");
716 if (!ofd->ofd_read_cache_enable)
719 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
720 ofd->ofd_read_cache_enable, buffer, count);
722 LUSTRE_RW_ATTR(read_cache_enable);
724 static ssize_t readcache_max_filesize_show(struct kobject *kobj,
725 struct attribute *attr,
728 struct obd_device *obd = container_of(kobj, struct obd_device,
730 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
732 if (!max_file_warned) {
733 max_file_warned = true;
734 pr_info("ofd: 'obdfilter.*.readcache_max_filesize' is deprecated, use 'osd-*.readcache_max_filesize' instead\n");
737 if (!ofd->ofd_read_cache_max_filesize)
740 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
741 ofd->ofd_read_cache_max_filesize, buf);
744 static ssize_t readcache_max_filesize_store(struct kobject *kobj,
745 struct attribute *attr,
746 const char *buffer, size_t count)
748 struct obd_device *obd = container_of(kobj, struct obd_device,
750 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
752 if (!max_file_warned) {
753 max_file_warned = true;
754 pr_info("ofd: 'obdfilter.*.readcache_max_filesize' is deprecated, use 'osd-*.readcache_max_filesize' instead\n");
757 if (!ofd->ofd_read_cache_max_filesize)
760 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
761 ofd->ofd_read_cache_max_filesize,
764 LUSTRE_RW_ATTR(readcache_max_filesize);
766 static ssize_t writethrough_cache_enable_show(struct kobject *kobj,
767 struct attribute *attr,
770 struct obd_device *obd = container_of(kobj, struct obd_device,
772 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
774 if (!wr_cache_warned) {
775 wr_cache_warned = true;
776 pr_info("ofd: 'obdfilter.*.writethrough_cache_enabled' is deprecated, use 'osd-*.writethrough_cache_enabled' instead\n");
779 if (!ofd->ofd_write_cache_enable)
782 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
783 ofd->ofd_write_cache_enable, buf);
786 static ssize_t writethrough_cache_enable_store(struct kobject *kobj,
787 struct attribute *attr,
788 const char *buffer, size_t count)
790 struct obd_device *obd = container_of(kobj, struct obd_device,
792 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
794 if (!ofd->ofd_write_cache_enable)
797 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
798 ofd->ofd_write_cache_enable,
801 LUSTRE_RW_ATTR(writethrough_cache_enable);
804 LPROC_SEQ_FOPS_RO_TYPE(ofd, recovery_status);
805 LUSTRE_RW_ATTR(recovery_time_hard);
806 LUSTRE_RW_ATTR(recovery_time_soft);
807 LUSTRE_RW_ATTR(ir_factor);
809 LPROC_SEQ_FOPS_WR_ONLY(ofd, evict_client);
810 LPROC_SEQ_FOPS_RW_TYPE(ofd, checksum_dump);
811 LUSTRE_RW_ATTR(job_cleanup_interval);
813 LUSTRE_RO_ATTR(tot_dirty);
814 LUSTRE_RO_ATTR(tot_granted);
815 LUSTRE_RO_ATTR(tot_pending);
816 LUSTRE_RW_ATTR(grant_compat_disable);
817 LUSTRE_RO_ATTR(instance);
819 LUSTRE_RO_ATTR(num_exports);
821 struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
823 .fops = &ofd_last_id_fops },
824 { .name = "recovery_status",
825 .fops = &ofd_recovery_status_fops },
826 { .name = "evict_client",
827 .fops = &ofd_evict_client_fops },
828 { .name = "brw_size",
829 .fops = &ofd_brw_size_fops },
830 { .name = "checksum_dump",
831 .fops = &ofd_checksum_dump_fops },
832 { .name = "lfsck_layout",
833 .fops = &ofd_lfsck_layout_fops },
834 { .name = "lfsck_verify_pfid",
835 .fops = &ofd_lfsck_verify_pfid_fops },
836 { .name = "site_stats",
837 .fops = &ofd_site_stats_fops },
842 * Initialize OFD statistics counters
844 * param[in] stats statistics counters
846 void ofd_stats_counter_init(struct lprocfs_stats *stats)
848 LASSERT(stats && stats->ls_num >= LPROC_OFD_STATS_LAST);
850 lprocfs_counter_init(stats, LPROC_OFD_STATS_READ,
851 LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes");
852 lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE,
853 LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes");
854 lprocfs_counter_init(stats, LPROC_OFD_STATS_GETATTR,
855 0, "getattr", "reqs");
856 lprocfs_counter_init(stats, LPROC_OFD_STATS_SETATTR,
857 0, "setattr", "reqs");
858 lprocfs_counter_init(stats, LPROC_OFD_STATS_PUNCH,
860 lprocfs_counter_init(stats, LPROC_OFD_STATS_SYNC,
862 lprocfs_counter_init(stats, LPROC_OFD_STATS_DESTROY,
863 0, "destroy", "reqs");
864 lprocfs_counter_init(stats, LPROC_OFD_STATS_CREATE,
865 0, "create", "reqs");
866 lprocfs_counter_init(stats, LPROC_OFD_STATS_STATFS,
867 0, "statfs", "reqs");
868 lprocfs_counter_init(stats, LPROC_OFD_STATS_GET_INFO,
869 0, "get_info", "reqs");
870 lprocfs_counter_init(stats, LPROC_OFD_STATS_SET_INFO,
871 0, "set_info", "reqs");
872 lprocfs_counter_init(stats, LPROC_OFD_STATS_QUOTACTL,
873 0, "quotactl", "reqs");
876 LPROC_SEQ_FOPS(lprocfs_nid_stats_clear);
878 static struct attribute *ofd_attrs[] = {
879 &lustre_attr_tot_dirty.attr,
880 &lustre_attr_tot_granted.attr,
881 &lustre_attr_tot_pending.attr,
882 &lustre_attr_grant_compat_disable.attr,
883 &lustre_attr_instance.attr,
884 &lustre_attr_recovery_time_hard.attr,
885 &lustre_attr_recovery_time_soft.attr,
886 &lustre_attr_ir_factor.attr,
887 &lustre_attr_num_exports.attr,
888 &lustre_attr_seqs_allocated.attr,
889 &lustre_attr_grant_precreate.attr,
890 &lustre_attr_precreate_batch.attr,
891 &lustre_attr_degraded.attr,
892 &lustre_attr_fstype.attr,
893 &lustre_attr_no_precreate.attr,
894 &lustre_attr_sync_journal.attr,
895 &lustre_attr_soft_sync_limit.attr,
896 &lustre_attr_lfsck_speed_limit.attr,
897 &lustre_attr_job_cleanup_interval.attr,
898 &lustre_attr_checksum_t10pi_enforce.attr,
899 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
900 &lustre_attr_read_cache_enable.attr,
901 &lustre_attr_readcache_max_filesize.attr,
902 &lustre_attr_writethrough_cache_enable.attr,
908 * Initialize all needed procfs entries for OFD device.
910 * \param[in] ofd OFD device
912 * \retval 0 if successful
913 * \retval negative value on error
915 int ofd_tunables_init(struct ofd_device *ofd)
917 struct obd_device *obd = ofd_obd(ofd);
918 struct proc_dir_entry *entry;
922 /* lprocfs must be setup before the ofd so state can be safely added
923 * to /proc incrementally as the ofd is setup
925 obd->obd_ktype.default_attrs = ofd_attrs;
926 obd->obd_vars = lprocfs_ofd_obd_vars;
927 rc = lprocfs_obd_setup(obd, false);
929 CERROR("%s: lprocfs_obd_setup failed: %d.\n",
934 rc = tgt_tunables_init(&ofd->ofd_lut);
936 CERROR("%s: tgt_tunables_init failed: rc = %d\n",
938 GOTO(obd_cleanup, rc);
941 rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_STATS_LAST);
943 CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n",
945 GOTO(tgt_cleanup, rc);
948 entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
951 CERROR("%s: error %d setting up lprocfs for %s\n",
952 obd->obd_name, rc, "exports");
953 GOTO(obd_free_stats, rc);
955 obd->obd_proc_exports_entry = entry;
957 entry = lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
958 obd, &lprocfs_nid_stats_clear_fops);
961 CERROR("%s: add proc entry 'clear' failed: %d.\n",
963 GOTO(obd_free_stats, rc);
966 ofd_stats_counter_init(obd->obd_stats);
968 rc = lprocfs_job_stats_init(obd, LPROC_OFD_STATS_LAST,
969 ofd_stats_counter_init);
971 GOTO(obd_free_stats, rc);
976 lprocfs_free_obd_stats(obd);
978 tgt_tunables_fini(&ofd->ofd_lut);
980 lprocfs_obd_cleanup(obd);
984 #endif /* CONFIG_PROC_FS */