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, 2016, 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
38 #include <obd_class.h>
39 #include <lprocfs_status.h>
40 #include <lustre/lustre_idl.h>
41 #include <lustre_nodemap.h>
45 int lprocfs_evict_client_open(struct inode *inode, struct file *f)
47 struct obd_device *obd = PDE_DATA(file_inode(f));
49 atomic_inc(&obd->obd_evict_inprogress);
53 int lprocfs_evict_client_release(struct inode *inode, struct file *f)
55 struct obd_device *obd = PDE_DATA(file_inode(f));
57 atomic_dec(&obd->obd_evict_inprogress);
58 wake_up(&obd->obd_evict_inprogress_waitq);
63 #define BUFLEN (UUID_MAX + 5)
66 lprocfs_evict_client_seq_write(struct file *file, const char __user *buffer,
67 size_t count, loff_t *off)
69 struct seq_file *m = file->private_data;
70 struct obd_device *obd = m->private;
73 OBD_ALLOC(kbuf, BUFLEN);
78 * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
79 * bytes into kbuf, to ensure that the string is NUL-terminated.
80 * UUID_MAX should include a trailing NUL already.
82 if (copy_from_user(kbuf, buffer,
83 min_t(unsigned long, BUFLEN - 1, count))) {
87 tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
88 class_incref(obd, __func__, current);
90 if (strncmp(tmpbuf, "nid:", 4) == 0)
91 obd_export_evict_by_nid(obd, tmpbuf + 4);
92 else if (strncmp(tmpbuf, "uuid:", 5) == 0)
93 obd_export_evict_by_uuid(obd, tmpbuf + 5);
95 obd_export_evict_by_uuid(obd, tmpbuf);
97 class_decref(obd, __func__, current);
100 OBD_FREE(kbuf, BUFLEN);
103 EXPORT_SYMBOL(lprocfs_evict_client_seq_write);
107 int lprocfs_num_exports_seq_show(struct seq_file *m, void *data)
109 struct obd_device *obd = data;
111 LASSERT(obd != NULL);
112 seq_printf(m, "%u\n", obd->obd_num_exports);
115 EXPORT_SYMBOL(lprocfs_num_exports_seq_show);
117 static void lprocfs_free_client_stats(struct nid_stat *client_stat)
119 CDEBUG(D_CONFIG, "stat %p - data %p/%p\n", client_stat,
120 client_stat->nid_proc, client_stat->nid_stats);
122 LASSERTF(atomic_read(&client_stat->nid_exp_ref_count) == 0,
123 "nid %s:count %d\n", libcfs_nid2str(client_stat->nid),
124 atomic_read(&client_stat->nid_exp_ref_count));
126 if (client_stat->nid_proc)
127 lprocfs_remove(&client_stat->nid_proc);
129 if (client_stat->nid_stats)
130 lprocfs_free_stats(&client_stat->nid_stats);
132 if (client_stat->nid_ldlm_stats)
133 lprocfs_free_stats(&client_stat->nid_ldlm_stats);
135 OBD_FREE_PTR(client_stat);
139 void lprocfs_free_per_client_stats(struct obd_device *obd)
141 struct cfs_hash *hash = obd->obd_nid_stats_hash;
142 struct nid_stat *stat;
145 /* we need extra list - because hash_exit called to early */
146 /* not need locking because all clients is died */
147 while (!list_empty(&obd->obd_nid_stats)) {
148 stat = list_entry(obd->obd_nid_stats.next,
149 struct nid_stat, nid_list);
150 list_del_init(&stat->nid_list);
151 cfs_hash_del(hash, &stat->nid, &stat->nid_hash);
152 lprocfs_free_client_stats(stat);
156 EXPORT_SYMBOL(lprocfs_free_per_client_stats);
159 lprocfs_exp_print_uuid_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
160 struct hlist_node *hnode, void *cb_data)
162 struct seq_file *m = cb_data;
163 struct obd_export *exp = cfs_hash_object(hs, hnode);
165 if (exp->exp_nid_stats != NULL)
166 seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid));
171 lprocfs_exp_print_nodemap_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
172 struct hlist_node *hnode, void *cb_data)
174 struct seq_file *m = cb_data;
175 struct obd_export *exp = cfs_hash_object(hs, hnode);
176 struct lu_nodemap *nodemap = exp->exp_target_data.ted_nodemap;
179 seq_printf(m, "%s\n", nodemap->nm_name);
184 lprocfs_exp_nodemap_seq_show(struct seq_file *m, void *data)
186 struct nid_stat *stats = m->private;
187 struct obd_device *obd = stats->nid_obd;
189 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
190 lprocfs_exp_print_nodemap_seq, m);
193 LPROC_SEQ_FOPS_RO(lprocfs_exp_nodemap);
195 static int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data)
197 struct nid_stat *stats = m->private;
198 struct obd_device *obd = stats->nid_obd;
200 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
201 lprocfs_exp_print_uuid_seq, m);
204 LPROC_SEQ_FOPS_RO(lprocfs_exp_uuid);
207 lprocfs_exp_print_hash_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
208 struct hlist_node *hnode, void *cb_data)
211 struct seq_file *m = cb_data;
212 struct obd_export *exp = cfs_hash_object(hs, hnode);
214 if (exp->exp_lock_hash != NULL) {
215 cfs_hash_debug_header(m);
216 cfs_hash_debug_str(hs, m);
221 static int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data)
223 struct nid_stat *stats = m->private;
224 struct obd_device *obd = stats->nid_obd;
226 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
227 lprocfs_exp_print_hash_seq, m);
230 LPROC_SEQ_FOPS_RO(lprocfs_exp_hash);
232 int lprocfs_exp_print_replydata_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
233 struct hlist_node *hnode, void *cb_data)
236 struct obd_export *exp = cfs_hash_object(hs, hnode);
237 struct seq_file *m = cb_data;
238 struct tg_export_data *ted = &exp->exp_target_data;
240 seq_printf(m, "reply_cnt: %d\n"
242 "reply_released_by_xid: %d\n"
243 "reply_released_by_tag: %d\n\n",
246 ted->ted_release_xid,
247 ted->ted_release_tag);
251 int lprocfs_exp_replydata_seq_show(struct seq_file *m, void *data)
253 struct nid_stat *stats = m->private;
254 struct obd_device *obd = stats->nid_obd;
256 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
257 lprocfs_exp_print_replydata_seq, m);
260 LPROC_SEQ_FOPS_RO(lprocfs_exp_replydata);
262 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
264 seq_puts(m, "Write into this file to clear all nid stats and stale nid entries\n");
267 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_show);
269 static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
271 struct nid_stat *stat = obj;
274 CDEBUG(D_INFO, "refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
275 if (atomic_read(&stat->nid_exp_ref_count) == 1) {
276 /* object has only hash references. */
277 spin_lock(&stat->nid_obd->obd_nid_lock);
278 list_move(&stat->nid_list, data);
279 spin_unlock(&stat->nid_obd->obd_nid_lock);
282 /* we has reference to object - only clear data*/
284 lprocfs_clear_stats(stat->nid_stats);
290 lprocfs_nid_stats_clear_seq_write(struct file *file, const char __user *buffer,
291 size_t count, loff_t *off)
293 struct seq_file *m = file->private_data;
294 struct obd_device *obd = m->private;
295 struct nid_stat *client_stat;
296 struct list_head free_list;
298 INIT_LIST_HEAD(&free_list);
299 cfs_hash_cond_del(obd->obd_nid_stats_hash,
300 lprocfs_nid_stats_clear_write_cb, &free_list);
302 while (!list_empty(&free_list)) {
303 client_stat = list_entry(free_list.next, struct nid_stat,
305 list_del_init(&client_stat->nid_list);
306 lprocfs_free_client_stats(client_stat);
310 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write);
312 int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid)
314 struct nid_stat *new_stat, *old_stat;
315 struct obd_device *obd = NULL;
316 struct proc_dir_entry *entry;
317 char nidstr[LNET_NIDSTR_SIZE];
321 if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
322 !exp->exp_obd->obd_nid_stats_hash)
325 /* not test against zero because eric say:
326 * You may only test nid against another nid, or LNET_NID_ANY.
327 * Anything else is nonsense.*/
328 if (nid == NULL || *nid == LNET_NID_ANY)
331 libcfs_nid2str_r(*nid, nidstr, sizeof(nidstr));
333 spin_lock(&exp->exp_lock);
334 if (exp->exp_nid_stats != NULL) {
335 spin_unlock(&exp->exp_lock);
338 spin_unlock(&exp->exp_lock);
342 CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
344 OBD_ALLOC_PTR(new_stat);
345 if (new_stat == NULL)
348 new_stat->nid = *nid;
349 new_stat->nid_obd = exp->exp_obd;
350 /* we need set default refcount to 1 to balance obd_disconnect */
351 atomic_set(&new_stat->nid_exp_ref_count, 1);
353 old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
354 nid, &new_stat->nid_hash);
355 CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
356 old_stat, nidstr, atomic_read(&old_stat->nid_exp_ref_count));
358 /* Return -EALREADY here so that we know that the /proc
359 * entry already has been created */
360 if (old_stat != new_stat) {
361 spin_lock(&exp->exp_lock);
362 if (exp->exp_nid_stats) {
363 LASSERT(exp->exp_nid_stats == old_stat);
364 nidstat_putref(exp->exp_nid_stats);
366 exp->exp_nid_stats = old_stat;
367 spin_unlock(&exp->exp_lock);
368 GOTO(destroy_new, rc = -EALREADY);
370 /* not found - create */
371 new_stat->nid_proc = lprocfs_register(nidstr,
372 obd->obd_proc_exports_entry,
375 if (IS_ERR(new_stat->nid_proc)) {
376 rc = PTR_ERR(new_stat->nid_proc);
377 new_stat->nid_proc = NULL;
378 CERROR("%s: cannot create proc entry for export %s: rc = %d\n",
379 obd->obd_name, nidstr, rc);
380 GOTO(destroy_new_ns, rc);
383 entry = lprocfs_add_simple(new_stat->nid_proc, "nodemap", new_stat,
384 &lprocfs_exp_nodemap_fops);
387 CWARN("Error adding the nodemap file: rc = %d\n", rc);
388 GOTO(destroy_new_ns, rc);
391 entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", new_stat,
392 &lprocfs_exp_uuid_fops);
395 CWARN("Error adding the NID stats file: rc = %d\n", rc);
396 GOTO(destroy_new_ns, rc);
399 entry = lprocfs_add_simple(new_stat->nid_proc, "hash", new_stat,
400 &lprocfs_exp_hash_fops);
403 CWARN("Error adding the hash file: rc = %d\n", rc);
404 GOTO(destroy_new_ns, rc);
407 entry = lprocfs_add_simple(new_stat->nid_proc, "reply_data", new_stat,
408 &lprocfs_exp_replydata_fops);
411 CWARN("%s: Error adding the reply_data file: rc = %d\n",
413 GOTO(destroy_new_ns, rc);
416 spin_lock(&exp->exp_lock);
417 exp->exp_nid_stats = new_stat;
418 spin_unlock(&exp->exp_lock);
420 /* protect competitive add to list, not need locking on destroy */
421 spin_lock(&obd->obd_nid_lock);
422 list_add(&new_stat->nid_list, &obd->obd_nid_stats);
423 spin_unlock(&obd->obd_nid_lock);
428 if (new_stat->nid_proc != NULL)
429 lprocfs_remove(&new_stat->nid_proc);
430 cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
433 nidstat_putref(new_stat);
434 OBD_FREE_PTR(new_stat);
437 EXPORT_SYMBOL(lprocfs_exp_setup);
439 int lprocfs_exp_cleanup(struct obd_export *exp)
441 struct nid_stat *stat = exp->exp_nid_stats;
443 if (!stat || !exp->exp_obd)
446 nidstat_putref(exp->exp_nid_stats);
447 exp->exp_nid_stats = NULL;
452 #define LPROCFS_OBD_OP_INIT(base, stats, op) \
454 unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
455 LASSERT(coffset < stats->ls_num); \
456 lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
459 void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
461 LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
462 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
463 LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
464 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
465 LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
466 LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
467 LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
468 LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
469 LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
470 LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
471 LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
472 LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
473 LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
474 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
475 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
476 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
477 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
478 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
479 LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
480 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
481 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
482 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
483 LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
484 LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
485 LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
486 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
487 LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
488 LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
489 LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
490 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
491 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
492 LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
493 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
494 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
495 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
496 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
497 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
498 LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
500 CLASSERT(NUM_OBD_STATS == OBD_COUNTER_OFFSET(putref) + 1);
502 EXPORT_SYMBOL(lprocfs_init_ops_stats);
504 int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
506 struct lprocfs_stats *stats;
507 unsigned int num_stats;
510 LASSERT(obd->obd_stats == NULL);
511 LASSERT(obd->obd_proc_entry != NULL);
512 LASSERT(obd->obd_cntr_base == 0);
514 num_stats = NUM_OBD_STATS + num_private_stats;
515 stats = lprocfs_alloc_stats(num_stats, 0);
519 lprocfs_init_ops_stats(num_private_stats, stats);
521 for (i = num_private_stats; i < num_stats; i++) {
522 /* If this LBUGs, it is likely that an obd
523 * operation was added to struct obd_ops in
524 * <obd.h>, and that the corresponding line item
525 * LPROCFS_OBD_OP_INIT(.., .., opname)
526 * is missing from the list above. */
527 LASSERTF(stats->ls_cnt_header[i].lc_name != NULL,
528 "Missing obd_stat initializer obd_op "
529 "operation at offset %d.\n", i - num_private_stats);
531 rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
533 lprocfs_free_stats(&stats);
535 obd->obd_stats = stats;
536 obd->obd_cntr_base = num_private_stats;
540 EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
542 void lprocfs_free_obd_stats(struct obd_device *obd)
545 lprocfs_free_stats(&obd->obd_stats);
547 EXPORT_SYMBOL(lprocfs_free_obd_stats);
549 int lprocfs_hash_seq_show(struct seq_file *m, void *data)
551 struct obd_device *obd = m->private;
556 cfs_hash_debug_header(m);
557 cfs_hash_debug_str(obd->obd_uuid_hash, m);
558 cfs_hash_debug_str(obd->obd_nid_hash, m);
559 cfs_hash_debug_str(obd->obd_nid_stats_hash, m);
562 EXPORT_SYMBOL(lprocfs_hash_seq_show);
564 int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data)
566 struct obd_device *obd = m->private;
567 struct target_distribute_txn_data *tdtd;
569 LASSERT(obd != NULL);
571 seq_printf(m, "status: ");
572 if (obd->obd_max_recoverable_clients == 0) {
573 seq_printf(m, "INACTIVE\n");
577 /* sampled unlocked, but really... */
578 if (obd->obd_recovering == 0) {
579 seq_printf(m, "COMPLETE\n");
580 seq_printf(m, "recovery_start: %lld\n",
581 (s64)obd->obd_recovery_start);
582 seq_printf(m, "recovery_duration: %lld\n",
583 obd->obd_recovery_end ?
584 obd->obd_recovery_end - obd->obd_recovery_start :
585 ktime_get_real_seconds() - obd->obd_recovery_start);
586 /* Number of clients that have completed recovery */
587 seq_printf(m, "completed_clients: %d/%d\n",
588 obd->obd_max_recoverable_clients -
589 obd->obd_stale_clients,
590 obd->obd_max_recoverable_clients);
591 seq_printf(m, "replayed_requests: %d\n",
592 obd->obd_replayed_requests);
593 seq_printf(m, "last_transno: %lld\n",
594 obd->obd_next_recovery_transno - 1);
595 seq_printf(m, "VBR: %s\n", obd->obd_version_recov ?
596 "ENABLED" : "DISABLED");
597 seq_printf(m, "IR: %s\n", obd->obd_no_ir ?
598 "DISABLED" : "ENABLED");
602 tdtd = obd->u.obt.obt_lut->lut_tdtd;
603 if (tdtd && tdtd->tdtd_show_update_logs_retrievers) {
608 buf = tdtd->tdtd_show_update_logs_retrievers(
609 tdtd->tdtd_show_retrievers_cbdata,
612 seq_printf(m, "WAITING\n");
613 seq_printf(m, "non-ready MDTs: %s\n",
614 buf ? buf : "unknown (not enough RAM)");
615 seq_printf(m, "recovery_start: %lld\n",
616 (s64)obd->obd_recovery_start);
617 seq_printf(m, "time_waited: %lld\n",
618 (s64)(ktime_get_real_seconds() -
619 obd->obd_recovery_start));
625 if (likely(count > 0))
629 seq_printf(m, "RECOVERING\n");
630 seq_printf(m, "recovery_start: %lld\n", (s64)obd->obd_recovery_start);
631 seq_printf(m, "time_remaining: %lld\n",
632 ktime_get_real_seconds() >=
633 obd->obd_recovery_start +
634 obd->obd_recovery_timeout ? 0 :
635 (s64)(obd->obd_recovery_start +
636 obd->obd_recovery_timeout -
637 ktime_get_real_seconds()));
638 seq_printf(m, "connected_clients: %d/%d\n",
639 atomic_read(&obd->obd_connected_clients),
640 obd->obd_max_recoverable_clients);
641 /* Number of clients that have completed recovery */
642 seq_printf(m, "req_replay_clients: %d\n",
643 atomic_read(&obd->obd_req_replay_clients));
644 seq_printf(m, "lock_repay_clients: %d\n",
645 atomic_read(&obd->obd_lock_replay_clients));
646 seq_printf(m, "completed_clients: %d\n",
647 atomic_read(&obd->obd_connected_clients) -
648 atomic_read(&obd->obd_lock_replay_clients));
649 seq_printf(m, "evicted_clients: %d\n", obd->obd_stale_clients);
650 seq_printf(m, "replayed_requests: %d\n", obd->obd_replayed_requests);
651 seq_printf(m, "queued_requests: %d\n",
652 obd->obd_requests_queued_for_recovery);
653 seq_printf(m, "next_transno: %lld\n",
654 obd->obd_next_recovery_transno);
658 EXPORT_SYMBOL(lprocfs_recovery_status_seq_show);
660 int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data)
662 struct obd_device *obd = m->private;
664 LASSERT(obd != NULL);
665 seq_printf(m, "%d\n", obd->obd_recovery_ir_factor);
668 EXPORT_SYMBOL(lprocfs_ir_factor_seq_show);
671 lprocfs_ir_factor_seq_write(struct file *file, const char __user *buffer,
672 size_t count, loff_t *off)
674 struct seq_file *m = file->private_data;
675 struct obd_device *obd = m->private;
679 LASSERT(obd != NULL);
680 rc = lprocfs_str_to_s64(buffer, count, &val);
684 if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
687 obd->obd_recovery_ir_factor = val;
690 EXPORT_SYMBOL(lprocfs_ir_factor_seq_write);
692 int lprocfs_checksum_dump_seq_show(struct seq_file *m, void *data)
694 struct obd_device *obd = m->private;
696 LASSERT(obd != NULL);
697 seq_printf(m, "%d\n", obd->obd_checksum_dump);
700 EXPORT_SYMBOL(lprocfs_checksum_dump_seq_show);
703 lprocfs_checksum_dump_seq_write(struct file *file, const char __user *buffer,
704 size_t count, loff_t *off)
706 struct seq_file *m = file->private_data;
707 struct obd_device *obd = m->private;
711 LASSERT(obd != NULL);
712 rc = lprocfs_str_to_s64(buffer, count, &val);
716 obd->obd_checksum_dump = !!val;
719 EXPORT_SYMBOL(lprocfs_checksum_dump_seq_write);
721 int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data)
723 struct obd_device *obd = m->private;
725 LASSERT(obd != NULL);
726 seq_printf(m, "%llu\n", obd->obd_recovery_timeout);
729 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_show);
732 lprocfs_recovery_time_soft_seq_write(struct file *file,
733 const char __user *buffer,
734 size_t count, loff_t *off)
736 struct seq_file *m = file->private_data;
737 struct obd_device *obd = m->private;
741 LASSERT(obd != NULL);
742 rc = lprocfs_str_to_s64(buffer, count, &val);
745 if (val < 0 || val > INT_MAX)
748 obd->obd_recovery_timeout = val;
751 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_write);
753 int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data)
755 struct obd_device *obd = m->private;
757 LASSERT(obd != NULL);
758 seq_printf(m, "%lld\n", obd->obd_recovery_time_hard);
761 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_show);
764 lprocfs_recovery_time_hard_seq_write(struct file *file,
765 const char __user *buffer,
766 size_t count, loff_t *off)
768 struct seq_file *m = file->private_data;
769 struct obd_device *obd = m->private;
773 LASSERT(obd != NULL);
774 rc = lprocfs_str_to_s64(buffer, count, &val);
777 if (val < 0 || val > INT_MAX)
780 obd->obd_recovery_time_hard = val;
783 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_write);
785 int lprocfs_target_instance_seq_show(struct seq_file *m, void *data)
787 struct obd_device *obd = m->private;
788 struct obd_device_target *target = &obd->u.obt;
790 LASSERT(obd != NULL);
791 LASSERT(target->obt_magic == OBT_MAGIC);
792 seq_printf(m, "%u\n", obd->u.obt.obt_instance);
795 EXPORT_SYMBOL(lprocfs_target_instance_seq_show);
797 #endif /* CONFIG_PROC_FS*/