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) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2014, 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/obdclass/lprocfs_status_server.c
35 #define DEBUG_SUBSYSTEM S_CLASS
37 #include <linux/kobject.h>
38 #include <linux/sysfs.h>
40 #include <obd_class.h>
41 #include <lprocfs_status.h>
42 #include <lustre_nodemap.h>
44 #define MAX_STRING_SIZE 128
46 struct dentry *ldebugfs_add_symlink(const char *name, const char *target,
47 const char *format, ...)
49 struct dentry *entry = NULL;
50 struct dentry *parent;
55 if (!target || !format)
59 dname.len = strlen(dname.name);
60 dname.hash = ll_full_name_hash(debugfs_lustre_root,
61 dname.name, dname.len);
62 parent = d_lookup(debugfs_lustre_root, &dname);
66 OBD_ALLOC_WAIT(dest, MAX_STRING_SIZE + 1);
71 vsnprintf(dest, MAX_STRING_SIZE, format, ap);
74 entry = debugfs_create_symlink(name, parent, dest);
75 if (IS_ERR_OR_NULL(entry)) {
76 CERROR("LdebugFS: Could not create symbolic link from %s to %s\n",
81 OBD_FREE(dest, MAX_STRING_SIZE + 1);
86 EXPORT_SYMBOL(ldebugfs_add_symlink);
90 int lprocfs_evict_client_open(struct inode *inode, struct file *f)
92 struct obd_device *obd = PDE_DATA(file_inode(f));
94 atomic_inc(&obd->obd_evict_inprogress);
98 int lprocfs_evict_client_release(struct inode *inode, struct file *f)
100 struct obd_device *obd = PDE_DATA(file_inode(f));
102 atomic_dec(&obd->obd_evict_inprogress);
103 wake_up(&obd->obd_evict_inprogress_waitq);
108 #define BUFLEN (UUID_MAX + 5)
111 lprocfs_evict_client_seq_write(struct file *file, const char __user *buffer,
112 size_t count, loff_t *off)
114 struct seq_file *m = file->private_data;
115 struct obd_device *obd = m->private;
118 OBD_ALLOC(kbuf, BUFLEN);
123 * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
124 * bytes into kbuf, to ensure that the string is NUL-terminated.
125 * UUID_MAX should include a trailing NUL already.
127 if (copy_from_user(kbuf, buffer,
128 min_t(unsigned long, BUFLEN - 1, count))) {
132 tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
133 class_incref(obd, __func__, current);
135 if (strncmp(tmpbuf, "nid:", 4) == 0)
136 obd_export_evict_by_nid(obd, tmpbuf + 4);
137 else if (strncmp(tmpbuf, "uuid:", 5) == 0)
138 obd_export_evict_by_uuid(obd, tmpbuf + 5);
140 obd_export_evict_by_uuid(obd, tmpbuf);
142 class_decref(obd, __func__, current);
145 OBD_FREE(kbuf, BUFLEN);
148 EXPORT_SYMBOL(lprocfs_evict_client_seq_write);
152 ssize_t num_exports_show(struct kobject *kobj, struct attribute *attr,
155 struct obd_device *obd = container_of(kobj, struct obd_device,
158 return scnprintf(buf, PAGE_SIZE, "%u\n", obd->obd_num_exports);
160 EXPORT_SYMBOL(num_exports_show);
162 static int obd_export_flags2str(struct obd_export *exp, struct seq_file *m)
166 flag2str(exp, failed);
167 flag2str(exp, in_recovery);
168 flag2str(exp, disconnected);
169 flag2str(exp, connecting);
175 lprocfs_exp_print_export_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
176 struct hlist_node *hnode, void *cb_data)
178 struct seq_file *m = cb_data;
179 struct obd_export *exp = cfs_hash_object(hs, hnode);
180 struct obd_device *obd;
181 struct obd_connect_data *ocd;
183 LASSERT(exp != NULL);
184 if (exp->exp_nid_stats == NULL)
187 ocd = &exp->exp_connect_data;
189 seq_printf(m, "%s:\n"
192 " connect_flags: [ ",
193 obd_uuid2str(&exp->exp_client_uuid),
195 obd_export_nid2str(exp));
196 obd_connect_seq_flags2str(m, ocd->ocd_connect_flags,
197 ocd->ocd_connect_flags2, ", ");
198 seq_printf(m, " ]\n");
199 obd_connect_data_seqprint(m, ocd);
200 seq_printf(m, " export_flags: [ ");
201 obd_export_flags2str(exp, m);
202 seq_printf(m, " ]\n");
209 * RPC connections are composed of an import and an export. Using the
210 * lctl utility we can extract important information about the state.
211 * The lprocfs_exp_export_seq_show routine displays the state information
214 * \param[in] m seq file
215 * \param[in] data unused
217 * \retval 0 on success
219 * The format of the export state information is like:
220 * a793e354-49c0-aa11-8c4f-a4f2b1a1a92b:
222 * client: 10.211.55.10@tcp
223 * connect_flags: [ version, barrier, adaptive_timeouts, ... ]
225 * flags: 0x2000011005002020
227 * target_version: 2.10.51.0
228 * export_flags: [ ... ]
231 static int lprocfs_exp_export_seq_show(struct seq_file *m, void *data)
233 struct nid_stat *stats = m->private;
234 struct obd_device *obd = stats->nid_obd;
236 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
237 lprocfs_exp_print_export_seq, m);
240 LPROC_SEQ_FOPS_RO(lprocfs_exp_export);
242 static void lprocfs_free_client_stats(struct nid_stat *client_stat)
244 CDEBUG(D_CONFIG, "stat %p - data %p/%p\n", client_stat,
245 client_stat->nid_proc, client_stat->nid_stats);
247 LASSERTF(atomic_read(&client_stat->nid_exp_ref_count) == 0,
248 "nid %s:count %d\n", libcfs_nid2str(client_stat->nid),
249 atomic_read(&client_stat->nid_exp_ref_count));
251 if (client_stat->nid_proc)
252 lprocfs_remove(&client_stat->nid_proc);
254 if (client_stat->nid_stats)
255 lprocfs_free_stats(&client_stat->nid_stats);
257 if (client_stat->nid_ldlm_stats)
258 lprocfs_free_stats(&client_stat->nid_ldlm_stats);
260 OBD_FREE_PTR(client_stat);
263 void lprocfs_free_per_client_stats(struct obd_device *obd)
265 struct cfs_hash *hash = obd->obd_nid_stats_hash;
266 struct nid_stat *stat;
269 /* we need extra list - because hash_exit called to early */
270 /* not need locking because all clients is died */
271 while (!list_empty(&obd->obd_nid_stats)) {
272 stat = list_entry(obd->obd_nid_stats.next,
273 struct nid_stat, nid_list);
274 list_del_init(&stat->nid_list);
275 cfs_hash_del(hash, &stat->nid, &stat->nid_hash);
276 lprocfs_free_client_stats(stat);
280 EXPORT_SYMBOL(lprocfs_free_per_client_stats);
283 lprocfs_exp_print_uuid_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
284 struct hlist_node *hnode, void *cb_data)
286 struct seq_file *m = cb_data;
287 struct obd_export *exp = cfs_hash_object(hs, hnode);
289 if (exp->exp_nid_stats != NULL)
290 seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid));
295 lprocfs_exp_print_nodemap_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
296 struct hlist_node *hnode, void *cb_data)
298 struct seq_file *m = cb_data;
299 struct obd_export *exp = cfs_hash_object(hs, hnode);
300 struct lu_nodemap *nodemap = exp->exp_target_data.ted_nodemap;
303 seq_printf(m, "%s\n", nodemap->nm_name);
308 lprocfs_exp_nodemap_seq_show(struct seq_file *m, void *data)
310 struct nid_stat *stats = m->private;
311 struct obd_device *obd = stats->nid_obd;
313 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
314 lprocfs_exp_print_nodemap_seq, m);
317 LPROC_SEQ_FOPS_RO(lprocfs_exp_nodemap);
319 static int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data)
321 struct nid_stat *stats = m->private;
322 struct obd_device *obd = stats->nid_obd;
324 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
325 lprocfs_exp_print_uuid_seq, m);
328 LPROC_SEQ_FOPS_RO(lprocfs_exp_uuid);
330 #define HASH_NAME_LEN 16
332 static void ldebugfs_rhash_seq_show(const char *name, struct rhashtable *ht,
335 unsigned int max_size = ht->p.max_size ? ht->p.max_size : UINT_MAX;
336 struct bucket_table *tbl;
337 int dist[8] = { 0, };
342 tbl = rht_dereference(ht->tbl, ht);
343 for (i = 0; i < tbl->size; i++) {
344 struct rhash_head *pos;
347 rht_for_each(pos, tbl, i)
351 maxdep = max(maxdep, count);
353 dist[min(fls(count), 7)]++;
356 seq_printf(m, "%-*s %5d %5d %10u %d.%03d 0.300 0.750 0x%03x %7d %7d %7d ",
357 HASH_NAME_LEN, name, tbl->size, ht->p.min_size, max_size,
358 atomic_read(&ht->nelems) / tbl->size,
359 atomic_read(&ht->nelems) * 1000 / tbl->size,
360 ht->p.automatic_shrinking, 0,
361 atomic_read(&ht->nelems), maxdep);
364 for (i = 0; i < 8; i++)
365 seq_printf(m, "%d%c", dist[i], (i == 7) ? '\n' : '/');
369 lprocfs_exp_print_hash_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
370 struct hlist_node *hnode, void *cb_data)
373 struct seq_file *m = cb_data;
374 struct obd_export *exp = cfs_hash_object(hs, hnode);
376 if (exp->exp_lock_hash != NULL) {
377 cfs_hash_debug_header(m);
378 cfs_hash_debug_str(hs, m);
383 static int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data)
385 struct nid_stat *stats = m->private;
386 struct obd_device *obd = stats->nid_obd;
388 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
389 lprocfs_exp_print_hash_seq, m);
392 LPROC_SEQ_FOPS_RO(lprocfs_exp_hash);
394 int lprocfs_exp_print_replydata_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
395 struct hlist_node *hnode, void *cb_data)
398 struct obd_export *exp = cfs_hash_object(hs, hnode);
399 struct seq_file *m = cb_data;
400 struct tg_export_data *ted = &exp->exp_target_data;
402 seq_printf(m, "reply_cnt: %d\n"
404 "reply_released_by_xid: %d\n"
405 "reply_released_by_tag: %d\n\n",
408 ted->ted_release_xid,
409 ted->ted_release_tag);
413 int lprocfs_exp_replydata_seq_show(struct seq_file *m, void *data)
415 struct nid_stat *stats = m->private;
416 struct obd_device *obd = stats->nid_obd;
418 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
419 lprocfs_exp_print_replydata_seq, m);
422 LPROC_SEQ_FOPS_RO(lprocfs_exp_replydata);
424 int lprocfs_exp_print_fmd_count_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
425 struct hlist_node *hnode, void *cb_data)
428 struct obd_export *exp = cfs_hash_object(hs, hnode);
429 struct seq_file *m = cb_data;
430 struct tg_export_data *ted = &exp->exp_target_data;
432 seq_printf(m, "%d\n", ted->ted_fmd_count);
437 int lprocfs_exp_fmd_count_seq_show(struct seq_file *m, void *data)
439 struct nid_stat *stats = m->private;
440 struct obd_device *obd = stats->nid_obd;
442 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
443 lprocfs_exp_print_fmd_count_seq, m);
446 LPROC_SEQ_FOPS_RO(lprocfs_exp_fmd_count);
448 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
450 seq_puts(m, "Write into this file to clear all nid stats and stale nid entries\n");
453 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_show);
455 static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
457 struct nid_stat *stat = obj;
460 CDEBUG(D_INFO, "refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
461 if (atomic_read(&stat->nid_exp_ref_count) == 1) {
462 /* object has only hash references. */
463 spin_lock(&stat->nid_obd->obd_nid_lock);
464 list_move(&stat->nid_list, data);
465 spin_unlock(&stat->nid_obd->obd_nid_lock);
468 /* we has reference to object - only clear data*/
470 lprocfs_clear_stats(stat->nid_stats);
476 lprocfs_nid_stats_clear_seq_write(struct file *file, const char __user *buffer,
477 size_t count, loff_t *off)
479 struct seq_file *m = file->private_data;
480 struct obd_device *obd = m->private;
481 struct nid_stat *client_stat;
482 struct list_head free_list;
484 INIT_LIST_HEAD(&free_list);
485 cfs_hash_cond_del(obd->obd_nid_stats_hash,
486 lprocfs_nid_stats_clear_write_cb, &free_list);
488 while (!list_empty(&free_list)) {
489 client_stat = list_entry(free_list.next, struct nid_stat,
491 list_del_init(&client_stat->nid_list);
492 lprocfs_free_client_stats(client_stat);
496 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write);
498 int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid)
500 struct nid_stat *new_stat, *old_stat;
501 struct obd_device *obd = NULL;
502 struct proc_dir_entry *entry;
503 char nidstr[LNET_NIDSTR_SIZE];
507 if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
508 !exp->exp_obd->obd_nid_stats_hash)
511 /* not test against zero because eric say:
512 * You may only test nid against another nid, or LNET_NID_ANY.
513 * Anything else is nonsense.*/
514 if (nid == NULL || *nid == LNET_NID_ANY)
517 libcfs_nid2str_r(*nid, nidstr, sizeof(nidstr));
519 spin_lock(&exp->exp_lock);
520 if (exp->exp_nid_stats != NULL) {
521 spin_unlock(&exp->exp_lock);
524 spin_unlock(&exp->exp_lock);
528 CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
530 OBD_ALLOC_PTR(new_stat);
531 if (new_stat == NULL)
534 new_stat->nid = *nid;
535 new_stat->nid_obd = exp->exp_obd;
536 /* we need set default refcount to 1 to balance obd_disconnect */
537 atomic_set(&new_stat->nid_exp_ref_count, 1);
539 old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
540 nid, &new_stat->nid_hash);
541 CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
542 old_stat, nidstr, atomic_read(&old_stat->nid_exp_ref_count));
544 /* Return -EALREADY here so that we know that the /proc
545 * entry already has been created */
546 if (old_stat != new_stat) {
547 spin_lock(&exp->exp_lock);
548 if (exp->exp_nid_stats) {
549 LASSERT(exp->exp_nid_stats == old_stat);
550 nidstat_putref(exp->exp_nid_stats);
552 exp->exp_nid_stats = old_stat;
553 spin_unlock(&exp->exp_lock);
554 GOTO(destroy_new, rc = -EALREADY);
556 /* not found - create */
557 new_stat->nid_proc = lprocfs_register(nidstr,
558 obd->obd_proc_exports_entry,
561 if (IS_ERR(new_stat->nid_proc)) {
562 rc = PTR_ERR(new_stat->nid_proc);
563 new_stat->nid_proc = NULL;
564 CERROR("%s: cannot create proc entry for export %s: rc = %d\n",
565 obd->obd_name, nidstr, rc);
566 GOTO(destroy_new_ns, rc);
569 entry = lprocfs_add_simple(new_stat->nid_proc, "nodemap", new_stat,
570 &lprocfs_exp_nodemap_fops);
573 CWARN("%s: error adding the nodemap file: rc = %d\n",
575 GOTO(destroy_new_ns, rc);
578 entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", new_stat,
579 &lprocfs_exp_uuid_fops);
582 CWARN("%s: error adding the NID stats file: rc = %d\n",
584 GOTO(destroy_new_ns, rc);
587 entry = lprocfs_add_simple(new_stat->nid_proc, "hash", new_stat,
588 &lprocfs_exp_hash_fops);
591 CWARN("%s: error adding the hash file: rc = %d\n",
593 GOTO(destroy_new_ns, rc);
596 entry = lprocfs_add_simple(new_stat->nid_proc, "export",
597 new_stat, &lprocfs_exp_export_fops);
600 CWARN("%s: error adding the export file: rc = %d\n",
602 GOTO(destroy_new_ns, rc);
605 entry = lprocfs_add_simple(new_stat->nid_proc, "reply_data", new_stat,
606 &lprocfs_exp_replydata_fops);
609 CWARN("%s: error adding the reply_data file: rc = %d\n",
611 GOTO(destroy_new_ns, rc);
614 entry = lprocfs_add_simple(new_stat->nid_proc, "fmd_count", new_stat,
615 &lprocfs_exp_fmd_count_fops);
618 CWARN("%s: error adding the fmd_count file: rc = %d\n",
620 GOTO(destroy_new_ns, rc);
623 spin_lock(&exp->exp_lock);
624 exp->exp_nid_stats = new_stat;
625 spin_unlock(&exp->exp_lock);
627 /* protect competitive add to list, not need locking on destroy */
628 spin_lock(&obd->obd_nid_lock);
629 list_add(&new_stat->nid_list, &obd->obd_nid_stats);
630 spin_unlock(&obd->obd_nid_lock);
635 if (new_stat->nid_proc != NULL)
636 lprocfs_remove(&new_stat->nid_proc);
637 cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
640 nidstat_putref(new_stat);
641 OBD_FREE_PTR(new_stat);
644 EXPORT_SYMBOL(lprocfs_exp_setup);
646 int lprocfs_exp_cleanup(struct obd_export *exp)
648 struct nid_stat *stat = exp->exp_nid_stats;
650 if (!stat || !exp->exp_obd)
653 nidstat_putref(exp->exp_nid_stats);
654 exp->exp_nid_stats = NULL;
659 int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned int num_stats)
661 struct lprocfs_stats *stats;
664 LASSERT(obd->obd_stats == NULL);
665 LASSERT(obd->obd_proc_entry != NULL);
667 stats = lprocfs_alloc_stats(num_stats, 0);
671 rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
673 lprocfs_free_stats(&stats);
675 obd->obd_stats = stats;
679 EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
681 void lprocfs_free_obd_stats(struct obd_device *obd)
684 lprocfs_free_stats(&obd->obd_stats);
686 EXPORT_SYMBOL(lprocfs_free_obd_stats);
688 int lprocfs_hash_seq_show(struct seq_file *m, void *data)
690 struct obd_device *obd = m->private;
695 /* header for rhashtable state */
696 seq_printf(m, "%-*s cur min max theta t-min t-max flags rehash count maxdep distribution\n",
697 HASH_NAME_LEN, "name");
698 ldebugfs_rhash_seq_show("UUID_HASH", &obd->obd_uuid_hash, m);
700 cfs_hash_debug_header(m);
701 cfs_hash_debug_str(obd->obd_nid_hash, m);
702 cfs_hash_debug_str(obd->obd_nid_stats_hash, m);
705 EXPORT_SYMBOL(lprocfs_hash_seq_show);
707 int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data)
709 struct obd_device *obd = m->private;
710 struct target_distribute_txn_data *tdtd;
712 LASSERT(obd != NULL);
714 seq_printf(m, "status: ");
715 if (atomic_read(&obd->obd_max_recoverable_clients) == 0) {
716 seq_printf(m, "INACTIVE\n");
720 /* sampled unlocked, but really... */
721 if (obd->obd_recovering == 0) {
722 seq_printf(m, "COMPLETE\n");
723 seq_printf(m, "recovery_start: %lld\n",
724 (s64)obd->obd_recovery_start);
725 seq_printf(m, "recovery_duration: %lld\n",
726 obd->obd_recovery_end ?
727 obd->obd_recovery_end - obd->obd_recovery_start :
728 ktime_get_real_seconds() - obd->obd_recovery_start);
729 /* Number of clients that have completed recovery */
730 seq_printf(m, "completed_clients: %d/%d\n",
731 atomic_read(&obd->obd_max_recoverable_clients) -
732 obd->obd_stale_clients,
733 atomic_read(&obd->obd_max_recoverable_clients));
734 seq_printf(m, "replayed_requests: %d\n",
735 obd->obd_replayed_requests);
736 seq_printf(m, "last_transno: %lld\n",
737 obd->obd_next_recovery_transno - 1);
738 seq_printf(m, "VBR: %s\n", obd->obd_version_recov ?
739 "ENABLED" : "DISABLED");
740 seq_printf(m, "IR: %s\n", obd->obd_no_ir ?
741 "DISABLED" : "ENABLED");
745 tdtd = obd->u.obt.obt_lut->lut_tdtd;
746 if (tdtd && tdtd->tdtd_show_update_logs_retrievers) {
751 buf = tdtd->tdtd_show_update_logs_retrievers(
752 tdtd->tdtd_show_retrievers_cbdata,
755 seq_printf(m, "WAITING\n");
756 seq_printf(m, "non-ready MDTs: %s\n",
757 buf ? buf : "unknown (not enough RAM)");
758 seq_printf(m, "recovery_start: %lld\n",
759 (s64)obd->obd_recovery_start);
760 seq_printf(m, "time_waited: %lld\n",
761 (s64)(ktime_get_real_seconds() -
762 obd->obd_recovery_start));
768 if (likely(count > 0))
772 /* recovery won't start until the clients connect */
773 if (obd->obd_recovery_start == 0) {
774 seq_printf(m, "WAITING_FOR_CLIENTS\n");
778 seq_printf(m, "RECOVERING\n");
779 seq_printf(m, "recovery_start: %lld\n", (s64)obd->obd_recovery_start);
780 seq_printf(m, "time_remaining: %lld\n",
781 ktime_get_real_seconds() >=
782 obd->obd_recovery_start +
783 obd->obd_recovery_timeout ? 0 :
784 (s64)(obd->obd_recovery_start +
785 obd->obd_recovery_timeout -
786 ktime_get_real_seconds()));
787 seq_printf(m, "connected_clients: %d/%d\n",
788 atomic_read(&obd->obd_connected_clients),
789 atomic_read(&obd->obd_max_recoverable_clients));
790 /* Number of clients that have completed recovery */
791 seq_printf(m, "req_replay_clients: %d\n",
792 atomic_read(&obd->obd_req_replay_clients));
793 seq_printf(m, "lock_repay_clients: %d\n",
794 atomic_read(&obd->obd_lock_replay_clients));
795 seq_printf(m, "completed_clients: %d\n",
796 atomic_read(&obd->obd_connected_clients) -
797 atomic_read(&obd->obd_lock_replay_clients));
798 seq_printf(m, "evicted_clients: %d\n", obd->obd_stale_clients);
799 seq_printf(m, "replayed_requests: %d\n", obd->obd_replayed_requests);
800 seq_printf(m, "queued_requests: %d\n",
801 obd->obd_requests_queued_for_recovery);
802 seq_printf(m, "next_transno: %lld\n",
803 obd->obd_next_recovery_transno);
807 EXPORT_SYMBOL(lprocfs_recovery_status_seq_show);
809 ssize_t ir_factor_show(struct kobject *kobj, struct attribute *attr,
812 struct obd_device *obd = container_of(kobj, struct obd_device,
815 return scnprintf(buf, PAGE_SIZE, "%d\n", obd->obd_recovery_ir_factor);
817 EXPORT_SYMBOL(ir_factor_show);
819 ssize_t ir_factor_store(struct kobject *kobj, struct attribute *attr,
820 const char *buffer, size_t count)
822 struct obd_device *obd = container_of(kobj, struct obd_device,
827 rc = kstrtoint(buffer, 10, &val);
831 if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
834 obd->obd_recovery_ir_factor = val;
837 EXPORT_SYMBOL(ir_factor_store);
839 int lprocfs_checksum_dump_seq_show(struct seq_file *m, void *data)
841 struct obd_device *obd = m->private;
843 LASSERT(obd != NULL);
844 seq_printf(m, "%d\n", obd->obd_checksum_dump);
847 EXPORT_SYMBOL(lprocfs_checksum_dump_seq_show);
850 lprocfs_checksum_dump_seq_write(struct file *file, const char __user *buffer,
851 size_t count, loff_t *off)
853 struct seq_file *m = file->private_data;
854 struct obd_device *obd = m->private;
858 LASSERT(obd != NULL);
859 rc = kstrtobool_from_user(buffer, count, &val);
863 obd->obd_checksum_dump = val;
866 EXPORT_SYMBOL(lprocfs_checksum_dump_seq_write);
868 ssize_t recovery_time_soft_show(struct kobject *kobj, struct attribute *attr,
871 struct obd_device *obd = container_of(kobj, struct obd_device,
874 return scnprintf(buf, PAGE_SIZE, "%ld\n", obd->obd_recovery_timeout);
876 EXPORT_SYMBOL(recovery_time_soft_show);
878 ssize_t recovery_time_soft_store(struct kobject *kobj,
879 struct attribute *attr,
880 const char *buffer, size_t count)
882 struct obd_device *obd = container_of(kobj, struct obd_device,
887 rc = kstrtouint(buffer, 0, &val);
891 obd->obd_recovery_timeout = val;
894 EXPORT_SYMBOL(recovery_time_soft_store);
896 ssize_t recovery_time_hard_show(struct kobject *kobj, struct attribute *attr,
899 struct obd_device *obd = container_of(kobj, struct obd_device,
902 return scnprintf(buf, PAGE_SIZE, "%ld\n", obd->obd_recovery_time_hard);
904 EXPORT_SYMBOL(recovery_time_hard_show);
906 ssize_t recovery_time_hard_store(struct kobject *kobj,
907 struct attribute *attr,
908 const char *buffer, size_t count)
910 struct obd_device *obd = container_of(kobj, struct obd_device,
915 rc = kstrtouint(buffer, 0, &val);
919 obd->obd_recovery_time_hard = val;
922 EXPORT_SYMBOL(recovery_time_hard_store);
924 ssize_t instance_show(struct kobject *kobj, struct attribute *attr,
927 struct obd_device *obd = container_of(kobj, struct obd_device,
929 struct obd_device_target *target = &obd->u.obt;
931 LASSERT(target->obt_magic == OBT_MAGIC);
932 return scnprintf(buf, PAGE_SIZE, "%u\n", obd->u.obt.obt_instance);
934 EXPORT_SYMBOL(instance_show);
936 #endif /* CONFIG_PROC_FS*/