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>
48 #include <uapi/linux/lustre/lustre_access_log.h>
50 #include "ofd_internal.h"
55 * Show number of FID allocation sequences.
57 * \param[in] m seq_file handle
58 * \param[in] data unused for single entry
60 * \retval 0 on success
61 * \retval negative value on error
63 static ssize_t seqs_allocated_show(struct kobject *kobj, struct attribute *attr,
66 struct obd_device *obd = container_of(kobj, struct obd_device,
68 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
70 return sprintf(buf, "%u\n", ofd->ofd_seq_count);
72 LUSTRE_RO_ATTR(seqs_allocated);
75 * Show total number of grants for precreate.
77 * \param[in] m seq_file handle
78 * \param[in] data unused for single entry
80 * \retval 0 on success
81 * \retval negative value on error
83 static ssize_t grant_precreate_show(struct kobject *kobj,
84 struct attribute *attr,
87 struct obd_device *obd = container_of(kobj, struct obd_device,
90 return sprintf(buf, "%ld\n",
91 obd->obd_self_export->exp_target_data.ted_grant);
93 LUSTRE_RO_ATTR(grant_precreate);
96 * Show number of precreates allowed in a single transaction.
98 * \param[in] m seq_file handle
99 * \param[in] data unused for single entry
101 * \retval 0 on success
102 * \retval negative value on error
104 static ssize_t precreate_batch_show(struct kobject *kobj,
105 struct attribute *attr,
108 struct obd_device *obd = container_of(kobj, struct obd_device,
110 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
112 return sprintf(buf, "%d\n", ofd->ofd_precreate_batch);
116 * Change number of precreates allowed in a single transaction.
118 * \param[in] file proc file
119 * \param[in] buffer string which represents maximum number
120 * \param[in] count \a buffer length
121 * \param[in] off unused for single entry
123 * \retval \a count on success
124 * \retval negative number on error
126 static ssize_t precreate_batch_store(struct kobject *kobj,
127 struct attribute *attr,
128 const char *buffer, size_t count)
130 struct obd_device *obd = container_of(kobj, struct obd_device,
132 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
136 rc = kstrtouint(buffer, 0, &val);
140 if (val < 1 || val > 65536)
143 spin_lock(&ofd->ofd_batch_lock);
144 ofd->ofd_precreate_batch = val;
145 spin_unlock(&ofd->ofd_batch_lock);
148 LUSTRE_RW_ATTR(precreate_batch);
151 * Show number of seconds to delay atime
153 * \param[in] m seq_file handle
154 * \param[in] data unused for single entry
156 * \retval 0 on success
157 * \retval negative value on error
159 static ssize_t atime_diff_show(struct kobject *kobj, struct attribute *attr,
162 struct obd_device *obd = container_of(kobj, struct obd_device,
164 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
166 return snprintf(buf, PAGE_SIZE, "%lld\n", ofd->ofd_atime_diff);
170 * Change number of seconds to delay atime
172 * \param[in] file proc file
173 * \param[in] buffer string which represents maximum number
174 * \param[in] count \a buffer length
175 * \param[in] off unused for single entry
177 * \retval \a count on success
178 * \retval negative number on error
180 static ssize_t atime_diff_store(struct kobject *kobj, struct attribute *attr,
181 const char *buffer, size_t count)
183 struct obd_device *obd = container_of(kobj, struct obd_device,
185 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
189 rc = kstrtouint(buffer, 0, &val);
196 ofd->ofd_atime_diff = val;
199 LUSTRE_RW_ATTR(atime_diff);
202 * Show the last used ID for each FID sequence used by OFD.
204 * \param[in] m seq_file handle
205 * \param[in] data unused for single entry
207 * \retval 0 on success
208 * \retval negative value on error
210 static int ofd_last_id_seq_show(struct seq_file *m, void *data)
212 struct obd_device *obd = m->private;
213 struct ofd_device *ofd;
214 struct ofd_seq *oseq = NULL;
219 ofd = ofd_dev(obd->obd_lu_dev);
221 read_lock(&ofd->ofd_seq_list_lock);
222 list_for_each_entry(oseq, &ofd->ofd_seq_list, os_list) {
225 seq = ostid_seq(&oseq->os_oi) == 0 ?
226 fid_idif_seq(ostid_id(&oseq->os_oi),
227 ofd->ofd_lut.lut_lsd.lsd_osd_index) & ~0xFFFF :
228 ostid_seq(&oseq->os_oi);
229 seq_printf(m, DOSTID"\n", seq, ostid_id(&oseq->os_oi));
231 read_unlock(&ofd->ofd_seq_list_lock);
235 LPROC_SEQ_FOPS_RO(ofd_last_id);
238 * Show if the OFD is in degraded mode.
240 * Degraded means OFD has a failed drive or is undergoing RAID rebuild.
241 * The MDS will try to avoid using this OST for new object allocations
242 * to reduce the impact to global IO performance when clients writing to
243 * this OST are slowed down. It also reduces the contention on the OST
244 * RAID device, allowing it to rebuild more quickly.
246 * \retval count of bytes written
248 static ssize_t degraded_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 sprintf(buf, "%u\n", ofd->ofd_raid_degraded);
259 * Set OFD to degraded mode.
261 * This is used to interface to userspace administrative tools for
262 * the underlying RAID storage, so that they can mark an OST
263 * as having degraded performance.
265 * \param[in] count \a buffer length
266 * \param[in] off unused for single entry
268 * \retval \a count on success
269 * \retval negative number on error
271 static ssize_t degraded_store(struct kobject *kobj, struct attribute *attr,
272 const char *buffer, size_t count)
274 struct obd_device *obd = container_of(kobj, struct obd_device,
276 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
280 rc = kstrtobool(buffer, &val);
284 spin_lock(&ofd->ofd_flags_lock);
285 ofd->ofd_raid_degraded = val;
286 spin_unlock(&ofd->ofd_flags_lock);
289 LUSTRE_RW_ATTR(degraded);
292 * Show if the OFD is in no precreate mode.
294 * This means OFD has been adminstratively disabled at the OST to prevent
295 * the MDS from creating any new files on the OST, though existing files
296 * can still be read, written, and unlinked.
298 * \retval number of bytes written
300 static ssize_t no_precreate_show(struct kobject *kobj, struct attribute *attr,
303 struct obd_device *obd = container_of(kobj, struct obd_device,
305 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
307 return snprintf(buf, PAGE_SIZE, "%u\n", ofd->ofd_no_precreate);
311 * Set OFD to no precreate mode.
313 * This is used to interface to userspace administrative tools to
314 * disable new object creation on the OST.
316 * \param[in] count \a buffer length
318 * \retval \a count on success
319 * \retval negative number on error
321 static ssize_t no_precreate_store(struct kobject *kobj, struct attribute *attr,
322 const char *buffer, size_t count)
324 struct obd_device *obd = container_of(kobj, struct obd_device,
326 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
330 rc = kstrtobool(buffer, &val);
334 spin_lock(&ofd->ofd_flags_lock);
335 ofd->ofd_no_precreate = val;
336 spin_unlock(&ofd->ofd_flags_lock);
340 LUSTRE_RW_ATTR(no_precreate);
343 * Show OFD filesystem type.
345 * \param[in] m seq_file handle
346 * \param[in] data unused for single entry
348 * \retval 0 on success
349 * \retval negative value on error
351 static ssize_t fstype_show(struct kobject *kobj, struct attribute *attr,
354 struct obd_device *obd = container_of(kobj, struct obd_device,
356 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
359 LASSERT(ofd->ofd_osd);
360 d = &ofd->ofd_osd->dd_lu_dev;
362 return sprintf(buf, "%s\n", d->ld_type->ldt_name);
364 LUSTRE_RO_ATTR(fstype);
367 * Show journal handling mode: synchronous or asynchronous.
369 * When running in asynchronous mode the journal transactions are not
370 * committed to disk before the RPC is replied back to the client.
371 * This will typically improve client performance when only a small number
372 * of clients are writing, since the client(s) can have more write RPCs
373 * in flight. However, it also means that the client has to handle recovery
374 * on bulk RPCs, and will have to keep more dirty pages in cache before they
375 * are committed on the OST.
377 * \param[in] m seq_file handle
378 * \param[in] data unused for single entry
380 * \retval 0 on success
381 * \retval negative value on error
383 static ssize_t sync_journal_show(struct kobject *kobj, struct attribute *attr,
386 struct obd_device *obd = container_of(kobj, struct obd_device,
388 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
390 return sprintf(buf, "%u\n", ofd->ofd_sync_journal);
394 * Set journal mode to synchronous or asynchronous.
396 * \param[in] file proc file
397 * \param[in] buffer string which represents mode
398 * 1: synchronous mode
399 * 0: asynchronous mode
400 * \param[in] count \a buffer length
401 * \param[in] off unused for single entry
403 * \retval \a count on success
404 * \retval negative number on error
406 static ssize_t sync_journal_store(struct kobject *kobj, struct attribute *attr,
407 const char *buffer, size_t count)
409 struct obd_device *obd = container_of(kobj, struct obd_device,
411 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
415 rc = kstrtobool(buffer, &val);
419 spin_lock(&ofd->ofd_flags_lock);
420 ofd->ofd_sync_journal = val;
422 spin_unlock(&ofd->ofd_flags_lock);
426 LUSTRE_RW_ATTR(sync_journal);
428 static int ofd_brw_size_seq_show(struct seq_file *m, void *data)
430 struct obd_device *obd = m->private;
431 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
433 seq_printf(m, "%u\n", ofd->ofd_brw_size / ONE_MB_BRW_SIZE);
438 ofd_brw_size_seq_write(struct file *file, const char __user *buffer,
439 size_t count, loff_t *off)
441 struct seq_file *m = file->private_data;
442 struct obd_device *obd = m->private;
443 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
444 char kernbuf[22] = "";
448 if (count >= sizeof(kernbuf))
451 if (copy_from_user(kernbuf, buffer, count))
455 rc = sysfs_memparse(kernbuf, count, &val, "MiB");
462 if (val > DT_MAX_BRW_SIZE ||
463 val < (1 << ofd->ofd_lut.lut_tgd.tgd_blockbits))
466 spin_lock(&ofd->ofd_flags_lock);
467 ofd->ofd_brw_size = val;
468 spin_unlock(&ofd->ofd_flags_lock);
472 LPROC_SEQ_FOPS(ofd_brw_size);
474 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
475 static bool sync_on_lock_cancel_warned;
476 static ssize_t sync_on_lock_cancel_show(struct kobject *kobj,
477 struct attribute *attr, char *buf)
479 if (!sync_on_lock_cancel_warned) {
480 sync_on_lock_cancel_warned = true;
481 pr_info("ofd: 'obdfilter.*.sync_on_lock_cancel' is deprecated, use 'obdfilter.*.sync_lock_cancel' instead\n");
483 return sync_lock_cancel_show(kobj, attr, buf);
486 static ssize_t sync_on_lock_cancel_store(struct kobject *kobj,
487 struct attribute *attr,
488 const char *buffer, size_t count)
490 if (!sync_on_lock_cancel_warned) {
491 sync_on_lock_cancel_warned = true;
492 pr_info("ofd: 'obdfilter.*.sync_on_lock_cancel' is deprecated, use 'obdfilter.*.sync_lock_cancel' instead\n");
494 return sync_lock_cancel_store(kobj, attr, buffer, count);
496 LUSTRE_RW_ATTR(sync_on_lock_cancel);
500 * Show the limit of soft sync RPCs.
502 * This value defines how many IO RPCs with OBD_BRW_SOFT_SYNC flag
503 * are allowed before sync update will be triggered.
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 ssize_t soft_sync_limit_show(struct kobject *kobj,
512 struct attribute *attr, char *buf)
514 struct obd_device *obd = container_of(kobj, struct obd_device,
516 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
518 return sprintf(buf, "%u\n", ofd->ofd_soft_sync_limit);
522 * Change the limit of soft sync RPCs.
524 * Define how many IO RPCs with OBD_BRW_SOFT_SYNC flag
525 * allowed before sync update will be done.
527 * This limit is global across all exports.
529 * \param[in] file proc file
530 * \param[in] buffer string which represents limit
531 * \param[in] count \a buffer length
532 * \param[in] off unused for single entry
534 * \retval \a count on success
535 * \retval negative number on error
537 static ssize_t soft_sync_limit_store(struct kobject *kobj,
538 struct attribute *attr,
539 const char *buffer, size_t count)
541 struct obd_device *obd = container_of(kobj, struct obd_device,
543 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
547 rc = kstrtouint(buffer, 0, &val);
551 ofd->ofd_soft_sync_limit = val;
554 LUSTRE_RW_ATTR(soft_sync_limit);
557 * Show the LFSCK speed limit.
559 * The maximum number of items scanned per second.
561 * \param[in] m seq_file handle
562 * \param[in] data unused for single entry
564 * \retval 0 on success
565 * \retval negative value on error
567 static ssize_t lfsck_speed_limit_show(struct kobject *kobj,
568 struct attribute *attr, char *buf)
570 struct obd_device *obd = container_of(kobj, struct obd_device,
572 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
574 return lfsck_get_speed(buf, ofd->ofd_osd);
578 * Change the LFSCK speed limit.
580 * Limit number of items that may be scanned per second.
582 * \param[in] file proc file
583 * \param[in] buffer string which represents limit
584 * \param[in] count \a buffer length
585 * \param[in] off unused for single entry
587 * \retval \a count on success
588 * \retval negative number on error
590 static ssize_t lfsck_speed_limit_store(struct kobject *kobj,
591 struct attribute *attr,
592 const char *buffer, size_t count)
594 struct obd_device *obd = container_of(kobj, struct obd_device,
596 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
600 rc = kstrtouint(buffer, 0, &val);
604 rc = lfsck_set_speed(ofd->ofd_osd, val);
606 return rc != 0 ? rc : count;
608 LUSTRE_RW_ATTR(lfsck_speed_limit);
611 * Show LFSCK layout verification stats from the most recent LFSCK run.
613 * \param[in] m seq_file handle
614 * \param[in] data unused for single entry
616 * \retval 0 on success
617 * \retval negative value on error
619 static int ofd_lfsck_layout_seq_show(struct seq_file *m, void *data)
621 struct obd_device *obd = m->private;
622 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
624 return lfsck_dump(m, ofd->ofd_osd, LFSCK_TYPE_LAYOUT);
627 LPROC_SEQ_FOPS_RO(ofd_lfsck_layout);
630 * Show if LFSCK performed parent FID verification.
632 * \param[in] m seq_file handle
633 * \param[in] data unused for single entry
635 * \retval 0 on success
636 * \retval negative value on error
638 static int ofd_lfsck_verify_pfid_seq_show(struct seq_file *m, void *data)
640 struct obd_device *obd = m->private;
641 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
643 seq_printf(m, "switch: %s\ndetected: %llu\nrepaired: %llu\n",
644 ofd->ofd_lfsck_verify_pfid ? "on" : "off",
645 ofd->ofd_inconsistency_self_detected,
646 ofd->ofd_inconsistency_self_repaired);
651 * Set the LFSCK behavior to verify parent FID correctness.
653 * If flag ofd_lfsck_verify_pfid is set then LFSCK does parent FID
654 * verification during read/write operations.
656 * \param[in] file proc file
657 * \param[in] buffer string which represents behavior
658 * 1: verify parent FID
659 * 0: don't verify parent FID
660 * \param[in] count \a buffer length
661 * \param[in] off unused for single entry
663 * \retval \a count on success
664 * \retval negative number on error
667 ofd_lfsck_verify_pfid_seq_write(struct file *file, const char __user *buffer,
668 size_t count, loff_t *off)
670 struct seq_file *m = file->private_data;
671 struct obd_device *obd = m->private;
672 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
676 rc = kstrtobool_from_user(buffer, count, &val);
680 ofd->ofd_lfsck_verify_pfid = val;
681 if (!ofd->ofd_lfsck_verify_pfid) {
682 ofd->ofd_inconsistency_self_detected = 0;
683 ofd->ofd_inconsistency_self_repaired = 0;
689 LPROC_SEQ_FOPS(ofd_lfsck_verify_pfid);
691 static ssize_t access_log_mask_show(struct kobject *kobj,
692 struct attribute *attr, char *buf)
694 struct obd_device *obd = container_of(kobj, struct obd_device,
696 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
698 return snprintf(buf, PAGE_SIZE, "%s%s%s\n",
699 (ofd->ofd_access_log_mask == 0) ? "0" : "",
700 (ofd->ofd_access_log_mask & OFD_ACCESS_READ) ? "r" : "",
701 (ofd->ofd_access_log_mask & OFD_ACCESS_WRITE) ? "w" : "");
704 static ssize_t access_log_mask_store(struct kobject *kobj,
705 struct attribute *attr,
706 const char *buffer, size_t count)
708 struct obd_device *obd = container_of(kobj, struct obd_device,
710 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
711 unsigned int mask = 0;
714 for (i = 0; i < count; i++) {
715 switch (tolower(buffer[i])) {
719 mask |= OFD_ACCESS_READ;
722 mask |= OFD_ACCESS_WRITE;
729 ofd->ofd_access_log_mask = mask;
733 LUSTRE_RW_ATTR(access_log_mask);
735 static ssize_t access_log_size_show(struct kobject *kobj,
736 struct attribute *attr, char *buf)
738 struct obd_device *obd = container_of(kobj, struct obd_device,
740 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
742 return snprintf(buf, PAGE_SIZE, "%u\n", ofd->ofd_access_log_size);
745 static ssize_t access_log_size_store(struct kobject *kobj,
746 struct attribute *attr,
747 const char *buffer, size_t count)
749 struct obd_device *obd = container_of(kobj, struct obd_device,
751 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
752 struct ofd_access_log *oal;
756 rc = kstrtouint(buffer, 0, &size);
760 if (!ofd_access_log_size_is_valid(size))
763 /* The size of the ofd_access_log cannot be changed after it
766 if (ofd->ofd_access_log_size == size)
769 oal = ofd_access_log_create(obd->obd_name, size);
773 spin_lock(&ofd->ofd_flags_lock);
774 if (ofd->ofd_access_log != NULL) {
777 ofd->ofd_access_log = oal;
778 ofd->ofd_access_log_size = size;
782 spin_unlock(&ofd->ofd_flags_lock);
784 ofd_access_log_delete(oal);
788 LUSTRE_RW_ATTR(access_log_size);
790 static int ofd_site_stats_seq_show(struct seq_file *m, void *data)
792 struct obd_device *obd = m->private;
794 return lu_site_stats_seq_print(obd->obd_lu_dev->ld_site, m);
797 LPROC_SEQ_FOPS_RO(ofd_site_stats);
800 * Show if the OFD enforces T10PI checksum.
802 * \param[in] m seq_file handle
803 * \param[in] data unused for single entry
805 * \retval 0 on success
806 * \retval negative value on error
808 static ssize_t checksum_t10pi_enforce_show(struct kobject *kobj,
809 struct attribute *attr,
812 struct obd_device *obd = container_of(kobj, struct obd_device,
814 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
816 return sprintf(buf, "%u\n", ofd->ofd_checksum_t10pi_enforce);
820 * Force specific T10PI checksum modes to be enabled
822 * If T10PI *is* supported in hardware, allow only the supported T10PI type
823 * to be used. If T10PI is *not* supported by the OSD, setting the enforce
824 * parameter forces all T10PI types to be enabled (even if slower) for
827 * The final determination of which algorithm to be used depends whether
828 * the client supports T10PI or not, and is handled at client connect time.
830 * \param[in] file proc file
831 * \param[in] buffer string which represents mode
832 * 1: set T10PI checksums enforced
833 * 0: unset T10PI checksums enforced
834 * \param[in] count \a buffer length
835 * \param[in] off unused for single entry
837 * \retval \a count on success
838 * \retval negative number on error
840 static ssize_t checksum_t10pi_enforce_store(struct kobject *kobj,
841 struct attribute *attr,
842 const char *buffer, size_t count)
844 struct obd_device *obd = container_of(kobj, struct obd_device,
846 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
850 rc = kstrtobool(buffer, &enforce);
854 spin_lock(&ofd->ofd_flags_lock);
855 ofd->ofd_checksum_t10pi_enforce = enforce;
856 spin_unlock(&ofd->ofd_flags_lock);
859 LUSTRE_RW_ATTR(checksum_t10pi_enforce);
861 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
862 static bool max_file_warned;
863 static bool rd_cache_warned;
864 static bool wr_cache_warned;
866 static ssize_t read_cache_enable_show(struct kobject *kobj,
867 struct attribute *attr,
870 struct obd_device *obd = container_of(kobj, struct obd_device,
872 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
874 if (!rd_cache_warned) {
875 rd_cache_warned = true;
876 pr_info("ofd: 'obdfilter.*.read_cache_enabled' is deprecated, use 'osd-*.read_cache_enabled' instead\n");
879 if (!ofd->ofd_read_cache_enable)
882 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
883 ofd->ofd_read_cache_enable, buf);
886 static ssize_t read_cache_enable_store(struct kobject *kobj,
887 struct attribute *attr,
888 const char *buffer, size_t count)
890 struct obd_device *obd = container_of(kobj, struct obd_device,
892 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
894 if (!rd_cache_warned) {
895 rd_cache_warned = true;
896 pr_info("ofd: 'obdfilter.*.read_cache_enabled' is deprecated, use 'osd-*.read_cache_enabled' instead\n");
899 if (!ofd->ofd_read_cache_enable)
902 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
903 ofd->ofd_read_cache_enable, buffer, count);
905 LUSTRE_RW_ATTR(read_cache_enable);
907 static ssize_t readcache_max_filesize_show(struct kobject *kobj,
908 struct attribute *attr,
911 struct obd_device *obd = container_of(kobj, struct obd_device,
913 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
915 if (!max_file_warned) {
916 max_file_warned = true;
917 pr_info("ofd: 'obdfilter.*.readcache_max_filesize' is deprecated, use 'osd-*.readcache_max_filesize' instead\n");
920 if (!ofd->ofd_read_cache_max_filesize)
923 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
924 ofd->ofd_read_cache_max_filesize, buf);
927 static ssize_t readcache_max_filesize_store(struct kobject *kobj,
928 struct attribute *attr,
929 const char *buffer, size_t count)
931 struct obd_device *obd = container_of(kobj, struct obd_device,
933 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
935 if (!max_file_warned) {
936 max_file_warned = true;
937 pr_info("ofd: 'obdfilter.*.readcache_max_filesize' is deprecated, use 'osd-*.readcache_max_filesize' instead\n");
940 if (!ofd->ofd_read_cache_max_filesize)
943 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
944 ofd->ofd_read_cache_max_filesize,
947 LUSTRE_RW_ATTR(readcache_max_filesize);
949 static ssize_t writethrough_cache_enable_show(struct kobject *kobj,
950 struct attribute *attr,
953 struct obd_device *obd = container_of(kobj, struct obd_device,
955 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
957 if (!wr_cache_warned) {
958 wr_cache_warned = true;
959 pr_info("ofd: 'obdfilter.*.writethrough_cache_enabled' is deprecated, use 'osd-*.writethrough_cache_enabled' instead\n");
962 if (!ofd->ofd_write_cache_enable)
965 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
966 ofd->ofd_write_cache_enable, buf);
969 static ssize_t writethrough_cache_enable_store(struct kobject *kobj,
970 struct attribute *attr,
971 const char *buffer, size_t count)
973 struct obd_device *obd = container_of(kobj, struct obd_device,
975 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
977 if (!ofd->ofd_write_cache_enable)
980 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
981 ofd->ofd_write_cache_enable,
984 LUSTRE_RW_ATTR(writethrough_cache_enable);
987 LPROC_SEQ_FOPS_RO_TYPE(ofd, recovery_status);
988 LUSTRE_RW_ATTR(recovery_time_hard);
989 LUSTRE_RW_ATTR(recovery_time_soft);
990 LUSTRE_RW_ATTR(ir_factor);
992 LPROC_SEQ_FOPS_WR_ONLY(ofd, evict_client);
993 LPROC_SEQ_FOPS_RW_TYPE(ofd, checksum_dump);
994 LUSTRE_RW_ATTR(job_cleanup_interval);
996 LUSTRE_RO_ATTR(tot_dirty);
997 LUSTRE_RO_ATTR(tot_granted);
998 LUSTRE_RO_ATTR(tot_pending);
999 LUSTRE_RW_ATTR(grant_compat_disable);
1000 LUSTRE_RO_ATTR(instance);
1002 LUSTRE_RO_ATTR(num_exports);
1004 struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
1005 { .name = "last_id",
1006 .fops = &ofd_last_id_fops },
1007 { .name = "recovery_status",
1008 .fops = &ofd_recovery_status_fops },
1009 { .name = "evict_client",
1010 .fops = &ofd_evict_client_fops },
1011 { .name = "brw_size",
1012 .fops = &ofd_brw_size_fops },
1013 { .name = "checksum_dump",
1014 .fops = &ofd_checksum_dump_fops },
1015 { .name = "lfsck_layout",
1016 .fops = &ofd_lfsck_layout_fops },
1017 { .name = "lfsck_verify_pfid",
1018 .fops = &ofd_lfsck_verify_pfid_fops },
1019 { .name = "site_stats",
1020 .fops = &ofd_site_stats_fops },
1025 * Initialize OFD statistics counters
1027 * param[in] stats statistics counters
1029 void ofd_stats_counter_init(struct lprocfs_stats *stats, unsigned int offset)
1031 LASSERT(stats && stats->ls_num >= LPROC_OFD_STATS_LAST);
1033 lprocfs_counter_init(stats, LPROC_OFD_STATS_READ_BYTES,
1034 LPROCFS_TYPE_BYTES_FULL, "read_bytes", "bytes");
1035 lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE_BYTES,
1036 LPROCFS_TYPE_BYTES_FULL, "write_bytes", "bytes");
1037 lprocfs_counter_init(stats, LPROC_OFD_STATS_READ,
1038 LPROCFS_TYPE_LATENCY, "read", "usecs");
1039 lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE,
1040 LPROCFS_TYPE_LATENCY, "write", "usecs");
1041 lprocfs_counter_init(stats, LPROC_OFD_STATS_GETATTR,
1042 LPROCFS_TYPE_LATENCY, "getattr", "usecs");
1043 lprocfs_counter_init(stats, LPROC_OFD_STATS_SETATTR,
1044 LPROCFS_TYPE_LATENCY, "setattr", "usecs");
1045 lprocfs_counter_init(stats, LPROC_OFD_STATS_PUNCH,
1046 LPROCFS_TYPE_LATENCY, "punch", "usecs");
1047 lprocfs_counter_init(stats, LPROC_OFD_STATS_SYNC,
1048 LPROCFS_TYPE_LATENCY, "sync", "usecs");
1049 lprocfs_counter_init(stats, LPROC_OFD_STATS_DESTROY,
1050 LPROCFS_TYPE_LATENCY, "destroy", "usecs");
1051 lprocfs_counter_init(stats, LPROC_OFD_STATS_CREATE,
1052 LPROCFS_TYPE_LATENCY, "create", "usecs");
1053 lprocfs_counter_init(stats, LPROC_OFD_STATS_STATFS,
1054 LPROCFS_TYPE_LATENCY, "statfs", "usecs");
1055 lprocfs_counter_init(stats, LPROC_OFD_STATS_GET_INFO,
1056 LPROCFS_TYPE_LATENCY, "get_info", "usecs");
1057 lprocfs_counter_init(stats, LPROC_OFD_STATS_SET_INFO,
1058 LPROCFS_TYPE_LATENCY, "set_info", "usecs");
1059 lprocfs_counter_init(stats, LPROC_OFD_STATS_QUOTACTL,
1060 LPROCFS_TYPE_LATENCY, "quotactl", "usecs");
1061 lprocfs_counter_init(stats, LPROC_OFD_STATS_PREALLOC,
1062 LPROCFS_TYPE_LATENCY, "prealloc", "usecs");
1065 LPROC_SEQ_FOPS(lprocfs_nid_stats_clear);
1067 static struct attribute *ofd_attrs[] = {
1068 &lustre_attr_tot_dirty.attr,
1069 &lustre_attr_tot_granted.attr,
1070 &lustre_attr_tot_pending.attr,
1071 &lustre_attr_grant_compat_disable.attr,
1072 &lustre_attr_instance.attr,
1073 &lustre_attr_recovery_time_hard.attr,
1074 &lustre_attr_recovery_time_soft.attr,
1075 &lustre_attr_ir_factor.attr,
1076 &lustre_attr_num_exports.attr,
1077 &lustre_attr_seqs_allocated.attr,
1078 &lustre_attr_grant_precreate.attr,
1079 &lustre_attr_precreate_batch.attr,
1080 &lustre_attr_atime_diff.attr,
1081 &lustre_attr_degraded.attr,
1082 &lustre_attr_fstype.attr,
1083 &lustre_attr_no_precreate.attr,
1084 &lustre_attr_sync_journal.attr,
1085 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
1086 &lustre_attr_sync_on_lock_cancel.attr,
1088 &lustre_attr_soft_sync_limit.attr,
1089 &lustre_attr_lfsck_speed_limit.attr,
1090 &lustre_attr_access_log_mask.attr,
1091 &lustre_attr_access_log_size.attr,
1092 &lustre_attr_job_cleanup_interval.attr,
1093 &lustre_attr_checksum_t10pi_enforce.attr,
1094 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 14, 53, 0)
1095 &lustre_attr_read_cache_enable.attr,
1096 &lustre_attr_readcache_max_filesize.attr,
1097 &lustre_attr_writethrough_cache_enable.attr,
1103 * Initialize all needed procfs entries for OFD device.
1105 * \param[in] ofd OFD device
1107 * \retval 0 if successful
1108 * \retval negative value on error
1110 int ofd_tunables_init(struct ofd_device *ofd)
1112 struct obd_device *obd = ofd_obd(ofd);
1113 struct proc_dir_entry *entry;
1117 /* lprocfs must be setup before the ofd so state can be safely added
1118 * to /proc incrementally as the ofd is setup
1120 obd->obd_ktype.default_attrs = ofd_attrs;
1121 obd->obd_vars = lprocfs_ofd_obd_vars;
1122 rc = lprocfs_obd_setup(obd, false);
1124 CERROR("%s: lprocfs_obd_setup failed: %d.\n",
1129 rc = tgt_tunables_init(&ofd->ofd_lut);
1131 CERROR("%s: tgt_tunables_init failed: rc = %d\n",
1133 GOTO(obd_cleanup, rc);
1136 rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_STATS_LAST);
1138 CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n",
1140 GOTO(tgt_cleanup, rc);
1143 entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
1144 if (IS_ERR(entry)) {
1145 rc = PTR_ERR(entry);
1146 CERROR("%s: error %d setting up lprocfs for %s\n",
1147 obd->obd_name, rc, "exports");
1148 GOTO(obd_free_stats, rc);
1150 obd->obd_proc_exports_entry = entry;
1152 entry = lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
1153 obd, &lprocfs_nid_stats_clear_fops);
1154 if (IS_ERR(entry)) {
1155 rc = PTR_ERR(entry);
1156 CERROR("%s: add proc entry 'clear' failed: %d.\n",
1158 GOTO(obd_free_stats, rc);
1161 ofd_stats_counter_init(obd->obd_stats, 0);
1163 rc = lprocfs_job_stats_init(obd, LPROC_OFD_STATS_LAST,
1164 ofd_stats_counter_init);
1166 GOTO(obd_free_stats, rc);
1171 lprocfs_free_obd_stats(obd);
1173 tgt_tunables_fini(&ofd->ofd_lut);
1175 lprocfs_obd_cleanup(obd);
1179 #endif /* CONFIG_PROC_FS */