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/
31 * lustre/ofd/lproc_ofd.c
33 * This file provides functions of procfs interface for OBD Filter Device (OFD).
35 * Author: Andreas Dilger <andreas.dilger@intel.com>
36 * Author: Mikhail Pershin <mike.pershin@intel.com>
37 * Author: Johann Lombardi <johann.lombardi@intel.com>
38 * Author: Fan Yong <fan.yong@intel.com>
41 #define DEBUG_SUBSYSTEM S_CLASS
44 #include <lprocfs_status.h>
45 #include <linux/seq_file.h>
46 #include <lustre_lfsck.h>
47 #include <uapi/linux/lustre/lustre_access_log.h>
48 #include <obd_cksum.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 scnprintf(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 scnprintf(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);
475 * ofd_checksum_type(server) proc handling
479 static int ofd_checksum_type_seq_show(struct seq_file *m, void *data)
481 struct obd_device *obd = m->private;
482 struct lu_target *lut;
483 enum cksum_types pref;
489 lut = obd2obt(obd)->obt_lut;
490 /* select fastest checksum type on the server */
491 pref = obd_cksum_type_select(obd->obd_name,
492 lut->lut_cksum_types_supported, 0);
494 for (i = 0; i < ARRAY_SIZE(cksum_name); i++) {
495 if ((BIT(i) & lut->lut_cksum_types_supported) == 0)
499 seq_printf(m, "[%s] ", cksum_name[i]);
501 seq_printf(m, "%s ", cksum_name[i]);
508 LPROC_SEQ_FOPS_RO(ofd_checksum_type);
511 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
512 static ssize_t sync_on_lock_cancel_show(struct kobject *kobj,
513 struct attribute *attr, char *buf)
515 return sync_lock_cancel_show(kobj, attr, buf);
518 static ssize_t sync_on_lock_cancel_store(struct kobject *kobj,
519 struct attribute *attr,
520 const char *buffer, size_t count)
522 static bool sync_on_lock_cancel_warned;
524 if (!sync_on_lock_cancel_warned) {
525 sync_on_lock_cancel_warned = true;
526 pr_info("ofd: 'obdfilter.*.sync_on_lock_cancel' is deprecated, use 'obdfilter.*.sync_lock_cancel' instead\n");
528 return sync_lock_cancel_store(kobj, attr, buffer, count);
530 LUSTRE_RW_ATTR(sync_on_lock_cancel);
534 * Show the limit of soft sync RPCs.
536 * This value defines how many IO RPCs with OBD_BRW_SOFT_SYNC flag
537 * are allowed before sync update will be triggered.
539 * \param[in] m seq_file handle
540 * \param[in] data unused for single entry
542 * \retval 0 on success
543 * \retval negative value on error
545 static ssize_t soft_sync_limit_show(struct kobject *kobj,
546 struct attribute *attr, char *buf)
548 struct obd_device *obd = container_of(kobj, struct obd_device,
550 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
552 return sprintf(buf, "%u\n", ofd->ofd_soft_sync_limit);
556 * Change the limit of soft sync RPCs.
558 * Define how many IO RPCs with OBD_BRW_SOFT_SYNC flag
559 * allowed before sync update will be done.
561 * This limit is global across all exports.
563 * \param[in] file proc file
564 * \param[in] buffer string which represents limit
565 * \param[in] count \a buffer length
566 * \param[in] off unused for single entry
568 * \retval \a count on success
569 * \retval negative number on error
571 static ssize_t soft_sync_limit_store(struct kobject *kobj,
572 struct attribute *attr,
573 const char *buffer, size_t count)
575 struct obd_device *obd = container_of(kobj, struct obd_device,
577 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
581 rc = kstrtouint(buffer, 0, &val);
585 ofd->ofd_soft_sync_limit = val;
588 LUSTRE_RW_ATTR(soft_sync_limit);
591 * Show the LFSCK speed limit.
593 * The maximum number of items scanned per second.
595 * \param[in] m seq_file handle
596 * \param[in] data unused for single entry
598 * \retval 0 on success
599 * \retval negative value on error
601 static ssize_t lfsck_speed_limit_show(struct kobject *kobj,
602 struct attribute *attr, char *buf)
604 struct obd_device *obd = container_of(kobj, struct obd_device,
606 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
608 return lfsck_get_speed(buf, ofd->ofd_osd);
612 * Change the LFSCK speed limit.
614 * Limit number of items that may be scanned per second.
616 * \param[in] file proc file
617 * \param[in] buffer string which represents limit
618 * \param[in] count \a buffer length
619 * \param[in] off unused for single entry
621 * \retval \a count on success
622 * \retval negative number on error
624 static ssize_t lfsck_speed_limit_store(struct kobject *kobj,
625 struct attribute *attr,
626 const char *buffer, size_t count)
628 struct obd_device *obd = container_of(kobj, struct obd_device,
630 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
634 rc = kstrtouint(buffer, 0, &val);
638 rc = lfsck_set_speed(ofd->ofd_osd, val);
640 return rc != 0 ? rc : count;
642 LUSTRE_RW_ATTR(lfsck_speed_limit);
645 * Show LFSCK layout verification stats from the most recent LFSCK run.
647 * \param[in] m seq_file handle
648 * \param[in] data unused for single entry
650 * \retval 0 on success
651 * \retval negative value on error
653 static int ofd_lfsck_layout_seq_show(struct seq_file *m, void *data)
655 struct obd_device *obd = m->private;
656 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
658 return lfsck_dump(m, ofd->ofd_osd, LFSCK_TYPE_LAYOUT);
661 LPROC_SEQ_FOPS_RO(ofd_lfsck_layout);
664 * Show if LFSCK performed parent FID verification.
666 * \param[in] m seq_file handle
667 * \param[in] data unused for single entry
669 * \retval 0 on success
670 * \retval negative value on error
672 static int ofd_lfsck_verify_pfid_seq_show(struct seq_file *m, void *data)
674 struct obd_device *obd = m->private;
675 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
677 seq_printf(m, "switch: %s\ndetected: %llu\nrepaired: %llu\n",
678 ofd->ofd_lfsck_verify_pfid ? "on" : "off",
679 ofd->ofd_inconsistency_self_detected,
680 ofd->ofd_inconsistency_self_repaired);
685 * Set the LFSCK behavior to verify parent FID correctness.
687 * If flag ofd_lfsck_verify_pfid is set then LFSCK does parent FID
688 * verification during read/write operations.
690 * \param[in] file proc file
691 * \param[in] buffer string which represents behavior
692 * 1: verify parent FID
693 * 0: don't verify parent FID
694 * \param[in] count \a buffer length
695 * \param[in] off unused for single entry
697 * \retval \a count on success
698 * \retval negative number on error
701 ofd_lfsck_verify_pfid_seq_write(struct file *file, const char __user *buffer,
702 size_t count, loff_t *off)
704 struct seq_file *m = file->private_data;
705 struct obd_device *obd = m->private;
706 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
710 rc = kstrtobool_from_user(buffer, count, &val);
714 ofd->ofd_lfsck_verify_pfid = val;
715 if (!ofd->ofd_lfsck_verify_pfid) {
716 ofd->ofd_inconsistency_self_detected = 0;
717 ofd->ofd_inconsistency_self_repaired = 0;
723 LPROC_SEQ_FOPS(ofd_lfsck_verify_pfid);
725 static ssize_t access_log_mask_show(struct kobject *kobj,
726 struct attribute *attr, char *buf)
728 struct obd_device *obd = container_of(kobj, struct obd_device,
730 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
732 return scnprintf(buf, PAGE_SIZE, "%s%s%s\n",
733 (ofd->ofd_access_log_mask == 0) ? "0" : "",
734 (ofd->ofd_access_log_mask & OFD_ACCESS_READ) ? "r" : "",
735 (ofd->ofd_access_log_mask & OFD_ACCESS_WRITE) ? "w" : "");
738 static ssize_t access_log_mask_store(struct kobject *kobj,
739 struct attribute *attr,
740 const char *buffer, size_t count)
742 struct obd_device *obd = container_of(kobj, struct obd_device,
744 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
745 unsigned int mask = 0;
748 for (i = 0; i < count; i++) {
749 switch (tolower(buffer[i])) {
753 mask |= OFD_ACCESS_READ;
756 mask |= OFD_ACCESS_WRITE;
763 ofd->ofd_access_log_mask = mask;
767 LUSTRE_RW_ATTR(access_log_mask);
769 static ssize_t access_log_size_show(struct kobject *kobj,
770 struct attribute *attr, char *buf)
772 struct obd_device *obd = container_of(kobj, struct obd_device,
774 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
776 return scnprintf(buf, PAGE_SIZE, "%u\n", ofd->ofd_access_log_size);
779 static ssize_t access_log_size_store(struct kobject *kobj,
780 struct attribute *attr,
781 const char *buffer, size_t count)
783 struct obd_device *obd = container_of(kobj, struct obd_device,
785 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
786 struct ofd_access_log *oal;
790 rc = kstrtouint(buffer, 0, &size);
794 if (!ofd_access_log_size_is_valid(size))
797 /* The size of the ofd_access_log cannot be changed after it
800 if (ofd->ofd_access_log_size == size)
803 oal = ofd_access_log_create(obd->obd_name, size);
807 spin_lock(&ofd->ofd_flags_lock);
808 if (ofd->ofd_access_log != NULL) {
811 ofd->ofd_access_log = oal;
812 ofd->ofd_access_log_size = size;
816 spin_unlock(&ofd->ofd_flags_lock);
818 ofd_access_log_delete(oal);
822 LUSTRE_RW_ATTR(access_log_size);
824 static int ofd_site_stats_seq_show(struct seq_file *m, void *data)
826 struct obd_device *obd = m->private;
828 return lu_site_stats_seq_print(obd->obd_lu_dev->ld_site, m);
831 LPROC_SEQ_FOPS_RO(ofd_site_stats);
834 * Show if the OFD enforces T10PI checksum.
836 * \param[in] m seq_file handle
837 * \param[in] data unused for single entry
839 * \retval 0 on success
840 * \retval negative value on error
842 static ssize_t checksum_t10pi_enforce_show(struct kobject *kobj,
843 struct attribute *attr,
846 struct obd_device *obd = container_of(kobj, struct obd_device,
848 struct lu_target *lut = obd2obt(obd)->obt_lut;
850 return scnprintf(buf, PAGE_SIZE, "%u\n", lut->lut_cksum_t10pi_enforce);
854 * Force specific T10PI checksum modes to be enabled
856 * If T10PI *is* supported in hardware, allow only the supported T10PI type
857 * to be used. If T10PI is *not* supported by the OSD, setting the enforce
858 * parameter forces all T10PI types to be enabled (even if slower) for
861 * The final determination of which algorithm to be used depends whether
862 * the client supports T10PI or not, and is handled at client connect time.
864 * \param[in] file proc file
865 * \param[in] buffer string which represents mode
866 * 1: set T10PI checksums enforced
867 * 0: unset T10PI checksums enforced
868 * \param[in] count \a buffer length
869 * \param[in] off unused for single entry
871 * \retval \a count on success
872 * \retval negative number on error
874 static ssize_t checksum_t10pi_enforce_store(struct kobject *kobj,
875 struct attribute *attr,
876 const char *buffer, size_t count)
878 struct obd_device *obd = container_of(kobj, struct obd_device,
880 struct lu_target *lut = obd2obt(obd)->obt_lut;
884 rc = kstrtobool(buffer, &enforce);
888 spin_lock(&lut->lut_flags_lock);
889 lut->lut_cksum_t10pi_enforce = enforce;
890 spin_unlock(&lut->lut_flags_lock);
893 LUSTRE_RW_ATTR(checksum_t10pi_enforce);
895 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
896 static ssize_t read_cache_enable_show(struct kobject *kobj,
897 struct attribute *attr,
900 struct obd_device *obd = container_of(kobj, struct obd_device,
902 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
904 if (!ofd->ofd_read_cache_enable)
907 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
908 ofd->ofd_read_cache_enable, buf);
911 static ssize_t read_cache_enable_store(struct kobject *kobj,
912 struct attribute *attr,
913 const char *buffer, size_t count)
915 struct obd_device *obd = container_of(kobj, struct obd_device,
917 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
918 static bool rd_cache_warned;
920 if (!rd_cache_warned) {
921 rd_cache_warned = true;
922 pr_info("ofd: 'obdfilter.*.read_cache_enable' is deprecated, use 'osd-*.*.read_cache_enable' instead\n");
925 if (!ofd->ofd_read_cache_enable)
928 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
929 ofd->ofd_read_cache_enable, buffer, count);
931 LUSTRE_RW_ATTR(read_cache_enable);
933 static ssize_t readcache_max_filesize_show(struct kobject *kobj,
934 struct attribute *attr,
937 struct obd_device *obd = container_of(kobj, struct obd_device,
939 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
941 if (!ofd->ofd_read_cache_max_filesize)
944 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
945 ofd->ofd_read_cache_max_filesize, buf);
948 static ssize_t readcache_max_filesize_store(struct kobject *kobj,
949 struct attribute *attr,
950 const char *buffer, size_t count)
952 struct obd_device *obd = container_of(kobj, struct obd_device,
954 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
955 static bool max_file_warned;
957 if (!max_file_warned) {
958 max_file_warned = true;
959 pr_info("ofd: 'obdfilter.*.readcache_max_filesize' is deprecated, use 'osd-*.*.readcache_max_filesize' instead\n");
962 if (!ofd->ofd_read_cache_max_filesize)
965 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
966 ofd->ofd_read_cache_max_filesize,
969 LUSTRE_RW_ATTR(readcache_max_filesize);
971 static ssize_t writethrough_cache_enable_show(struct kobject *kobj,
972 struct attribute *attr,
975 struct obd_device *obd = container_of(kobj, struct obd_device,
977 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
979 if (!ofd->ofd_write_cache_enable)
982 return lustre_attr_show(&ofd->ofd_osd->dd_kobj,
983 ofd->ofd_write_cache_enable, buf);
986 static ssize_t writethrough_cache_enable_store(struct kobject *kobj,
987 struct attribute *attr,
988 const char *buffer, size_t count)
990 struct obd_device *obd = container_of(kobj, struct obd_device,
992 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
993 static bool wr_cache_warned;
995 if (!wr_cache_warned) {
996 wr_cache_warned = true;
997 pr_info("ofd: 'obdfilter.*.writethrough_cache_enable' is deprecated, use 'osd-*.*.writethrough_cache_enable' instead\n");
1000 if (!ofd->ofd_write_cache_enable)
1003 return lustre_attr_store(&ofd->ofd_osd->dd_kobj,
1004 ofd->ofd_write_cache_enable,
1007 LUSTRE_RW_ATTR(writethrough_cache_enable);
1010 LPROC_SEQ_FOPS_RO_TYPE(ofd, recovery_status);
1011 LUSTRE_RW_ATTR(recovery_time_hard);
1012 LUSTRE_RW_ATTR(recovery_time_soft);
1013 LUSTRE_RW_ATTR(ir_factor);
1015 LPROC_SEQ_FOPS_WR_ONLY(ofd, evict_client);
1016 LPROC_SEQ_FOPS_RW_TYPE(ofd, checksum_dump);
1017 LUSTRE_RW_ATTR(job_cleanup_interval);
1019 LUSTRE_RO_ATTR(tot_dirty);
1020 LUSTRE_RO_ATTR(tot_granted);
1021 LUSTRE_RO_ATTR(tot_pending);
1022 LUSTRE_RW_ATTR(grant_compat_disable);
1023 LUSTRE_RO_ATTR(instance);
1025 LUSTRE_RO_ATTR(num_exports);
1026 LUSTRE_RW_ATTR(grant_check_threshold);
1028 struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
1029 { .name = "last_id",
1030 .fops = &ofd_last_id_fops },
1031 { .name = "recovery_status",
1032 .fops = &ofd_recovery_status_fops },
1033 { .name = "evict_client",
1034 .fops = &ofd_evict_client_fops },
1035 { .name = "brw_size",
1036 .fops = &ofd_brw_size_fops },
1037 { .name = "checksum_dump",
1038 .fops = &ofd_checksum_dump_fops },
1039 { .name = "lfsck_layout",
1040 .fops = &ofd_lfsck_layout_fops },
1041 { .name = "lfsck_verify_pfid",
1042 .fops = &ofd_lfsck_verify_pfid_fops },
1043 { .name = "site_stats",
1044 .fops = &ofd_site_stats_fops },
1045 { .name = "checksum_type",
1046 .fops = &ofd_checksum_type_fops },
1051 * Initialize OFD statistics counters
1053 * param[in] stats statistics counters
1055 void ofd_stats_counter_init(struct lprocfs_stats *stats, unsigned int offset,
1056 enum lprocfs_counter_config cntr_umask)
1058 LASSERT(stats && stats->ls_num >= LPROC_OFD_STATS_LAST);
1060 lprocfs_counter_init(stats, LPROC_OFD_STATS_READ_BYTES,
1061 LPROCFS_TYPE_BYTES_FULL_HISTOGRAM & (~cntr_umask),
1063 lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE_BYTES,
1064 LPROCFS_TYPE_BYTES_FULL_HISTOGRAM & (~cntr_umask),
1066 lprocfs_counter_init(stats, LPROC_OFD_STATS_READ,
1067 LPROCFS_TYPE_LATENCY & (~cntr_umask), "read");
1068 lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE,
1069 LPROCFS_TYPE_LATENCY & (~cntr_umask), "write");
1070 lprocfs_counter_init(stats, LPROC_OFD_STATS_GETATTR,
1071 LPROCFS_TYPE_LATENCY & (~cntr_umask), "getattr");
1072 lprocfs_counter_init(stats, LPROC_OFD_STATS_SETATTR,
1073 LPROCFS_TYPE_LATENCY & (~cntr_umask), "setattr");
1074 lprocfs_counter_init(stats, LPROC_OFD_STATS_PUNCH,
1075 LPROCFS_TYPE_LATENCY & (~cntr_umask), "punch");
1076 lprocfs_counter_init(stats, LPROC_OFD_STATS_SYNC,
1077 LPROCFS_TYPE_LATENCY & (~cntr_umask), "sync");
1078 lprocfs_counter_init(stats, LPROC_OFD_STATS_DESTROY,
1079 LPROCFS_TYPE_LATENCY & (~cntr_umask), "destroy");
1080 lprocfs_counter_init(stats, LPROC_OFD_STATS_CREATE,
1081 LPROCFS_TYPE_LATENCY & (~cntr_umask), "create");
1082 lprocfs_counter_init(stats, LPROC_OFD_STATS_STATFS,
1083 LPROCFS_TYPE_LATENCY & (~cntr_umask), "statfs");
1084 lprocfs_counter_init(stats, LPROC_OFD_STATS_GET_INFO,
1085 LPROCFS_TYPE_LATENCY & (~cntr_umask), "get_info");
1086 lprocfs_counter_init(stats, LPROC_OFD_STATS_SET_INFO,
1087 LPROCFS_TYPE_LATENCY & (~cntr_umask), "set_info");
1088 lprocfs_counter_init(stats, LPROC_OFD_STATS_QUOTACTL,
1089 LPROCFS_TYPE_LATENCY & (~cntr_umask), "quotactl");
1090 lprocfs_counter_init(stats, LPROC_OFD_STATS_PREALLOC,
1091 LPROCFS_TYPE_LATENCY & (~cntr_umask), "prealloc");
1094 LPROC_SEQ_FOPS(lprocfs_nid_stats_clear);
1096 static struct attribute *ofd_attrs[] = {
1097 &lustre_attr_tot_dirty.attr,
1098 &lustre_attr_tot_granted.attr,
1099 &lustre_attr_tot_pending.attr,
1100 &lustre_attr_grant_compat_disable.attr,
1101 &lustre_attr_instance.attr,
1102 &lustre_attr_recovery_time_hard.attr,
1103 &lustre_attr_recovery_time_soft.attr,
1104 &lustre_attr_ir_factor.attr,
1105 &lustre_attr_num_exports.attr,
1106 &lustre_attr_grant_check_threshold.attr,
1107 &lustre_attr_seqs_allocated.attr,
1108 &lustre_attr_grant_precreate.attr,
1109 &lustre_attr_precreate_batch.attr,
1110 &lustre_attr_atime_diff.attr,
1111 &lustre_attr_degraded.attr,
1112 &lustre_attr_fstype.attr,
1113 &lustre_attr_no_precreate.attr,
1114 &lustre_attr_sync_journal.attr,
1115 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
1116 &lustre_attr_sync_on_lock_cancel.attr,
1118 &lustre_attr_soft_sync_limit.attr,
1119 &lustre_attr_lfsck_speed_limit.attr,
1120 &lustre_attr_access_log_mask.attr,
1121 &lustre_attr_access_log_size.attr,
1122 &lustre_attr_job_cleanup_interval.attr,
1123 &lustre_attr_checksum_t10pi_enforce.attr,
1124 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 15, 53, 0)
1125 &lustre_attr_read_cache_enable.attr,
1126 &lustre_attr_readcache_max_filesize.attr,
1127 &lustre_attr_writethrough_cache_enable.attr,
1132 KOBJ_ATTRIBUTE_GROUPS(ofd); /* creates ofd_groups from ofd_attrs */
1135 * Initialize all needed procfs entries for OFD device.
1137 * \param[in] ofd OFD device
1139 * \retval 0 if successful
1140 * \retval negative value on error
1142 int ofd_tunables_init(struct ofd_device *ofd)
1144 struct obd_device *obd = ofd_obd(ofd);
1145 struct proc_dir_entry *entry;
1149 /* lprocfs must be setup before the ofd so state can be safely added
1150 * to /proc incrementally as the ofd is setup
1152 obd->obd_ktype.default_groups = KOBJ_ATTR_GROUPS(ofd);
1153 obd->obd_vars = lprocfs_ofd_obd_vars;
1154 rc = lprocfs_obd_setup(obd, false);
1156 CERROR("%s: lprocfs_obd_setup failed: %d.\n",
1161 rc = tgt_tunables_init(&ofd->ofd_lut);
1163 CERROR("%s: tgt_tunables_init failed: rc = %d\n",
1165 GOTO(obd_cleanup, rc);
1168 rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_STATS_LAST);
1170 CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n",
1172 GOTO(tgt_cleanup, rc);
1175 entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL);
1176 if (IS_ERR(entry)) {
1177 rc = PTR_ERR(entry);
1178 CERROR("%s: error %d setting up lprocfs for %s\n",
1179 obd->obd_name, rc, "exports");
1180 GOTO(obd_free_stats, rc);
1182 obd->obd_proc_exports_entry = entry;
1184 entry = lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
1185 obd, &lprocfs_nid_stats_clear_fops);
1186 if (IS_ERR(entry)) {
1187 rc = PTR_ERR(entry);
1188 CERROR("%s: add proc entry 'clear' failed: %d.\n",
1190 GOTO(obd_free_stats, rc);
1193 ofd_stats_counter_init(obd->obd_stats, 0, LPROCFS_CNTR_HISTOGRAM);
1195 rc = lprocfs_job_stats_init(obd, LPROC_OFD_STATS_LAST,
1196 ofd_stats_counter_init);
1198 GOTO(obd_free_stats, rc);
1203 lprocfs_free_obd_stats(obd);
1205 tgt_tunables_fini(&ofd->ofd_lut);
1207 lprocfs_obd_cleanup(obd);
1211 #endif /* CONFIG_PROC_FS */