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.sun.com/software/products/lustre/docs/GPLv2.pdf
23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2013, 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>
44 int lprocfs_evict_client_open(struct inode *inode, struct file *f)
46 struct obd_device *obd = PDE_DATA(f->f_dentry->d_inode);
48 atomic_inc(&obd->obd_evict_inprogress);
52 int lprocfs_evict_client_release(struct inode *inode, struct file *f)
54 struct obd_device *obd = PDE_DATA(f->f_dentry->d_inode);
56 atomic_dec(&obd->obd_evict_inprogress);
57 wake_up(&obd->obd_evict_inprogress_waitq);
62 #define BUFLEN (UUID_MAX + 5)
65 lprocfs_evict_client_seq_write(struct file *file, const char *buffer,
66 size_t count, loff_t *off)
68 struct seq_file *m = file->private_data;
69 struct obd_device *obd = m->private;
72 OBD_ALLOC(kbuf, BUFLEN);
77 * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
78 * bytes into kbuf, to ensure that the string is NUL-terminated.
79 * UUID_MAX should include a trailing NUL already.
81 if (copy_from_user(kbuf, buffer,
82 min_t(unsigned long, BUFLEN - 1, count))) {
86 tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
87 class_incref(obd, __func__, current);
89 if (strncmp(tmpbuf, "nid:", 4) == 0)
90 obd_export_evict_by_nid(obd, tmpbuf + 4);
91 else if (strncmp(tmpbuf, "uuid:", 5) == 0)
92 obd_export_evict_by_uuid(obd, tmpbuf + 5);
94 obd_export_evict_by_uuid(obd, tmpbuf);
96 class_decref(obd, __func__, current);
99 OBD_FREE(kbuf, BUFLEN);
102 EXPORT_SYMBOL(lprocfs_evict_client_seq_write);
106 int lprocfs_num_exports_seq_show(struct seq_file *m, void *data)
108 struct obd_device *obd = data;
110 LASSERT(obd != NULL);
111 return seq_printf(m, "%u\n", obd->obd_num_exports);
113 EXPORT_SYMBOL(lprocfs_num_exports_seq_show);
115 static void lprocfs_free_client_stats(struct nid_stat *client_stat)
117 CDEBUG(D_CONFIG, "stat %p - data %p/%p\n", client_stat,
118 client_stat->nid_proc, client_stat->nid_stats);
120 LASSERTF(atomic_read(&client_stat->nid_exp_ref_count) == 0,
121 "nid %s:count %d\n", libcfs_nid2str(client_stat->nid),
122 atomic_read(&client_stat->nid_exp_ref_count));
124 if (client_stat->nid_proc)
125 lprocfs_remove(&client_stat->nid_proc);
127 if (client_stat->nid_stats)
128 lprocfs_free_stats(&client_stat->nid_stats);
130 if (client_stat->nid_ldlm_stats)
131 lprocfs_free_stats(&client_stat->nid_ldlm_stats);
133 OBD_FREE_PTR(client_stat);
137 void lprocfs_free_per_client_stats(struct obd_device *obd)
139 cfs_hash_t *hash = obd->obd_nid_stats_hash;
140 struct nid_stat *stat;
143 /* we need extra list - because hash_exit called to early */
144 /* not need locking because all clients is died */
145 while (!list_empty(&obd->obd_nid_stats)) {
146 stat = list_entry(obd->obd_nid_stats.next,
147 struct nid_stat, nid_list);
148 list_del_init(&stat->nid_list);
149 cfs_hash_del(hash, &stat->nid, &stat->nid_hash);
150 lprocfs_free_client_stats(stat);
154 EXPORT_SYMBOL(lprocfs_free_per_client_stats);
156 int lprocfs_exp_nid_seq_show(struct seq_file *m, void *data)
158 struct obd_export *exp = m->private;
159 LASSERT(exp != NULL);
160 return seq_printf(m, "%s\n", obd_export_nid2str(exp));
163 int lprocfs_exp_print_uuid_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
164 struct hlist_node *hnode, void *cb_data)
167 struct obd_export *exp = cfs_hash_object(hs, hnode);
168 struct seq_file *m = cb_data;
170 if (exp->exp_nid_stats)
171 seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid));
175 int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data)
177 struct nid_stat *stats = m->private;
178 struct obd_device *obd = stats->nid_obd;
180 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
181 lprocfs_exp_print_uuid_seq, m);
184 LPROC_SEQ_FOPS_RO(lprocfs_exp_uuid);
186 int lprocfs_exp_print_hash_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
187 struct hlist_node *hnode, void *cb_data)
190 struct seq_file *m = cb_data;
191 struct obd_export *exp = cfs_hash_object(hs, hnode);
193 if (exp->exp_lock_hash != NULL) {
194 cfs_hash_debug_header(m);
195 cfs_hash_debug_str(hs, m);
200 int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data)
202 struct nid_stat *stats = m->private;
203 struct obd_device *obd = stats->nid_obd;
205 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
206 lprocfs_exp_print_hash_seq, m);
209 LPROC_SEQ_FOPS_RO(lprocfs_exp_hash);
211 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
213 return seq_printf(m, "%s\n", "Write into this file to clear all nid "
214 "stats and stale nid entries");
216 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_show);
218 static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
220 struct nid_stat *stat = obj;
223 CDEBUG(D_INFO, "refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
224 if (atomic_read(&stat->nid_exp_ref_count) == 1) {
225 /* object has only hash references. */
226 spin_lock(&stat->nid_obd->obd_nid_lock);
227 list_move(&stat->nid_list, data);
228 spin_unlock(&stat->nid_obd->obd_nid_lock);
231 /* we has reference to object - only clear data*/
233 lprocfs_clear_stats(stat->nid_stats);
239 lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer,
240 size_t count, loff_t *off)
242 struct seq_file *m = file->private_data;
243 struct obd_device *obd = m->private;
244 struct nid_stat *client_stat;
245 struct list_head free_list;
247 INIT_LIST_HEAD(&free_list);
248 cfs_hash_cond_del(obd->obd_nid_stats_hash,
249 lprocfs_nid_stats_clear_write_cb, &free_list);
251 while (!list_empty(&free_list)) {
252 client_stat = list_entry(free_list.next, struct nid_stat,
254 list_del_init(&client_stat->nid_list);
255 lprocfs_free_client_stats(client_stat);
259 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write);
261 int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
263 struct nid_stat *new_stat, *old_stat;
264 struct obd_device *obd = NULL;
265 struct proc_dir_entry *entry;
272 if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
273 !exp->exp_obd->obd_nid_stats_hash)
276 /* not test against zero because eric say:
277 * You may only test nid against another nid, or LNET_NID_ANY.
278 * Anything else is nonsense.*/
279 if (!nid || *nid == LNET_NID_ANY)
282 spin_lock(&exp->exp_lock);
283 if (exp->exp_nid_stats != NULL) {
284 spin_unlock(&exp->exp_lock);
287 spin_unlock(&exp->exp_lock);
291 CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
293 OBD_ALLOC_PTR(new_stat);
294 if (new_stat == NULL)
297 new_stat->nid = *nid;
298 new_stat->nid_obd = exp->exp_obd;
299 /* we need set default refcount to 1 to balance obd_disconnect */
300 atomic_set(&new_stat->nid_exp_ref_count, 1);
302 old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
303 nid, &new_stat->nid_hash);
304 CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
305 old_stat, libcfs_nid2str(*nid),
306 atomic_read(&new_stat->nid_exp_ref_count));
308 /* Return -EALREADY here so that we know that the /proc
309 * entry already has been created */
310 if (old_stat != new_stat) {
311 spin_lock(&exp->exp_lock);
312 if (exp->exp_nid_stats) {
313 LASSERT(exp->exp_nid_stats == old_stat);
314 nidstat_putref(exp->exp_nid_stats);
316 exp->exp_nid_stats = old_stat;
317 spin_unlock(&exp->exp_lock);
318 GOTO(destroy_new, rc = -EALREADY);
320 /* not found - create */
321 OBD_ALLOC(buffer, LNET_NIDSTR_SIZE);
323 GOTO(destroy_new, rc = -ENOMEM);
325 memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE);
326 #ifndef HAVE_ONLY_PROCFS_SEQ
327 new_stat->nid_proc = lprocfs_register(buffer,
328 obd->obd_proc_exports_entry,
331 new_stat->nid_proc = lprocfs_seq_register(buffer,
332 obd->obd_proc_exports_entry,
335 OBD_FREE(buffer, LNET_NIDSTR_SIZE);
337 if (IS_ERR(new_stat->nid_proc)) {
338 rc = PTR_ERR(new_stat->nid_proc);
339 new_stat->nid_proc = NULL;
340 CERROR("%s: cannot create proc entry for export %s: rc = %d\n",
341 obd->obd_name, libcfs_nid2str(*nid), rc);
342 GOTO(destroy_new_ns, rc);
345 entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", new_stat,
346 &lprocfs_exp_uuid_fops);
348 CWARN("Error adding the NID stats file\n");
350 GOTO(destroy_new_ns, rc);
353 entry = lprocfs_add_simple(new_stat->nid_proc, "hash", new_stat,
354 &lprocfs_exp_hash_fops);
356 CWARN("Error adding the hash file\n");
358 GOTO(destroy_new_ns, rc);
361 spin_lock(&exp->exp_lock);
362 exp->exp_nid_stats = new_stat;
363 spin_unlock(&exp->exp_lock);
365 /* protect competitive add to list, not need locking on destroy */
366 spin_lock(&obd->obd_nid_lock);
367 list_add(&new_stat->nid_list, &obd->obd_nid_stats);
368 spin_unlock(&obd->obd_nid_lock);
373 if (new_stat->nid_proc != NULL)
374 lprocfs_remove(&new_stat->nid_proc);
375 cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
378 nidstat_putref(new_stat);
379 OBD_FREE_PTR(new_stat);
382 EXPORT_SYMBOL(lprocfs_exp_setup);
384 int lprocfs_exp_cleanup(struct obd_export *exp)
386 struct nid_stat *stat = exp->exp_nid_stats;
388 if (!stat || !exp->exp_obd)
391 nidstat_putref(exp->exp_nid_stats);
392 exp->exp_nid_stats = NULL;
396 EXPORT_SYMBOL(lprocfs_exp_cleanup);
398 #define LPROCFS_OBD_OP_INIT(base, stats, op) \
400 unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
401 LASSERT(coffset < stats->ls_num); \
402 lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
405 void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
407 LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
408 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
409 LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
410 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
411 LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
412 LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
413 LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
414 LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
415 LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
416 LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
417 LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
418 LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
419 LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
420 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
421 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
422 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
423 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
424 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
425 LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
426 LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
427 LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
428 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
429 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
430 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr_async);
431 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
432 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr_async);
433 LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
434 LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
435 LPROCFS_OBD_OP_INIT(num_private_stats, stats, change_cbdata);
436 LPROCFS_OBD_OP_INIT(num_private_stats, stats, find_cbdata);
437 LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
438 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
439 LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_init);
440 LPROCFS_OBD_OP_INIT(num_private_stats, stats, llog_finish);
441 LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
442 LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
443 LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
444 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
445 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotacheck);
446 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
447 LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
448 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
449 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
450 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
451 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
452 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
453 LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
455 CLASSERT(NUM_OBD_STATS == OBD_COUNTER_OFFSET(putref) + 1);
457 EXPORT_SYMBOL(lprocfs_init_ops_stats);
459 int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
461 struct lprocfs_stats *stats;
462 unsigned int num_stats;
465 LASSERT(obd->obd_stats == NULL);
466 LASSERT(obd->obd_proc_entry != NULL);
467 LASSERT(obd->obd_cntr_base == 0);
469 num_stats = NUM_OBD_STATS + num_private_stats;
470 stats = lprocfs_alloc_stats(num_stats, 0);
474 lprocfs_init_ops_stats(num_private_stats, stats);
476 for (i = num_private_stats; i < num_stats; i++) {
477 /* If this LBUGs, it is likely that an obd
478 * operation was added to struct obd_ops in
479 * <obd.h>, and that the corresponding line item
480 * LPROCFS_OBD_OP_INIT(.., .., opname)
481 * is missing from the list above. */
482 LASSERTF(stats->ls_cnt_header[i].lc_name != NULL,
483 "Missing obd_stat initializer obd_op "
484 "operation at offset %d.\n", i - num_private_stats);
486 rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
488 lprocfs_free_stats(&stats);
490 obd->obd_stats = stats;
491 obd->obd_cntr_base = num_private_stats;
495 EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
497 void lprocfs_free_obd_stats(struct obd_device *obd)
500 lprocfs_free_stats(&obd->obd_stats);
502 EXPORT_SYMBOL(lprocfs_free_obd_stats);
504 int lprocfs_hash_seq_show(struct seq_file *m, void *data)
506 struct obd_device *obd = m->private;
512 c += cfs_hash_debug_header(m);
513 c += cfs_hash_debug_str(obd->obd_uuid_hash, m);
514 c += cfs_hash_debug_str(obd->obd_nid_hash, m);
515 c += cfs_hash_debug_str(obd->obd_nid_stats_hash, m);
518 EXPORT_SYMBOL(lprocfs_hash_seq_show);
520 int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data)
522 struct obd_device *obd = m->private;
524 LASSERT(obd != NULL);
526 seq_printf(m, "status: ");
527 if (obd->obd_max_recoverable_clients == 0) {
528 seq_printf(m, "INACTIVE\n");
532 /* sampled unlocked, but really... */
533 if (obd->obd_recovering == 0) {
534 seq_printf(m, "COMPLETE\n");
535 seq_printf(m, "recovery_start: %lu\n", obd->obd_recovery_start);
536 seq_printf(m, "recovery_duration: %lu\n",
537 obd->obd_recovery_end - obd->obd_recovery_start);
538 /* Number of clients that have completed recovery */
539 seq_printf(m, "completed_clients: %d/%d\n",
540 obd->obd_max_recoverable_clients -
541 obd->obd_stale_clients,
542 obd->obd_max_recoverable_clients);
543 seq_printf(m, "replayed_requests: %d\n",
544 obd->obd_replayed_requests);
545 seq_printf(m, "last_transno: "LPD64"\n",
546 obd->obd_next_recovery_transno - 1);
547 seq_printf(m, "VBR: %s\n", obd->obd_version_recov ?
548 "ENABLED" : "DISABLED");
549 seq_printf(m, "IR: %s\n", obd->obd_no_ir ?
550 "DISABLED" : "ENABLED");
554 seq_printf(m, "RECOVERING\n");
555 seq_printf(m, "recovery_start: %lu\n", obd->obd_recovery_start);
556 seq_printf(m, "time_remaining: %lu\n",
557 cfs_time_current_sec() >=
558 obd->obd_recovery_start +
559 obd->obd_recovery_timeout ? 0 :
560 obd->obd_recovery_start +
561 obd->obd_recovery_timeout -
562 cfs_time_current_sec());
563 seq_printf(m, "connected_clients: %d/%d\n",
564 atomic_read(&obd->obd_connected_clients),
565 obd->obd_max_recoverable_clients);
566 /* Number of clients that have completed recovery */
567 seq_printf(m, "req_replay_clients: %d\n",
568 atomic_read(&obd->obd_req_replay_clients));
569 seq_printf(m, "lock_repay_clients: %d\n",
570 atomic_read(&obd->obd_lock_replay_clients));
571 seq_printf(m, "completed_clients: %d\n",
572 atomic_read(&obd->obd_connected_clients) -
573 atomic_read(&obd->obd_lock_replay_clients));
574 seq_printf(m, "evicted_clients: %d\n", obd->obd_stale_clients);
575 seq_printf(m, "replayed_requests: %d\n", obd->obd_replayed_requests);
576 seq_printf(m, "queued_requests: %d\n",
577 obd->obd_requests_queued_for_recovery);
578 seq_printf(m, "next_transno: "LPD64"\n",
579 obd->obd_next_recovery_transno);
583 EXPORT_SYMBOL(lprocfs_recovery_status_seq_show);
585 int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data)
587 struct obd_device *obd = m->private;
589 LASSERT(obd != NULL);
590 return seq_printf(m, "%d\n", obd->obd_recovery_ir_factor);
592 EXPORT_SYMBOL(lprocfs_ir_factor_seq_show);
595 lprocfs_ir_factor_seq_write(struct file *file, const char *buffer,
596 size_t count, loff_t *off)
598 struct seq_file *m = file->private_data;
599 struct obd_device *obd = m->private;
602 LASSERT(obd != NULL);
603 rc = lprocfs_write_helper(buffer, count, &val);
607 if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
610 obd->obd_recovery_ir_factor = val;
613 EXPORT_SYMBOL(lprocfs_ir_factor_seq_write);
615 int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data)
617 struct obd_device *obd = m->private;
619 LASSERT(obd != NULL);
620 return seq_printf(m, "%d\n", obd->obd_recovery_timeout);
622 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_show);
625 lprocfs_recovery_time_soft_seq_write(struct file *file, const char *buffer,
626 size_t count, loff_t *off)
628 struct seq_file *m = file->private_data;
629 struct obd_device *obd = m->private;
632 LASSERT(obd != NULL);
633 rc = lprocfs_write_helper(buffer, count, &val);
637 obd->obd_recovery_timeout = val;
640 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_write);
642 int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data)
644 struct obd_device *obd = m->private;
646 LASSERT(obd != NULL);
647 return seq_printf(m, "%u\n", obd->obd_recovery_time_hard);
649 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_show);
652 lprocfs_recovery_time_hard_seq_write(struct file *file, const char *buffer,
653 size_t count, loff_t *off)
655 struct seq_file *m = file->private_data;
656 struct obd_device *obd = m->private;
659 LASSERT(obd != NULL);
660 rc = lprocfs_write_helper(buffer, count, &val);
664 obd->obd_recovery_time_hard = val;
667 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_write);
669 int lprocfs_target_instance_seq_show(struct seq_file *m, void *data)
671 struct obd_device *obd = m->private;
672 struct obd_device_target *target = &obd->u.obt;
674 LASSERT(obd != NULL);
675 LASSERT(target->obt_magic == OBT_MAGIC);
676 return seq_printf(m, "%u\n", obd->u.obt.obt_instance);
678 EXPORT_SYMBOL(lprocfs_target_instance_seq_show);