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, 2014, 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(f->f_dentry->d_inode);
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(f->f_dentry->d_inode);
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 *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 return seq_printf(m, "%u\n", obd->obd_num_exports);
114 EXPORT_SYMBOL(lprocfs_num_exports_seq_show);
116 static void lprocfs_free_client_stats(struct nid_stat *client_stat)
118 CDEBUG(D_CONFIG, "stat %p - data %p/%p\n", client_stat,
119 client_stat->nid_proc, client_stat->nid_stats);
121 LASSERTF(atomic_read(&client_stat->nid_exp_ref_count) == 0,
122 "nid %s:count %d\n", libcfs_nid2str(client_stat->nid),
123 atomic_read(&client_stat->nid_exp_ref_count));
125 if (client_stat->nid_proc)
126 lprocfs_remove(&client_stat->nid_proc);
128 if (client_stat->nid_stats)
129 lprocfs_free_stats(&client_stat->nid_stats);
131 if (client_stat->nid_ldlm_stats)
132 lprocfs_free_stats(&client_stat->nid_ldlm_stats);
134 OBD_FREE_PTR(client_stat);
138 void lprocfs_free_per_client_stats(struct obd_device *obd)
140 cfs_hash_t *hash = obd->obd_nid_stats_hash;
141 struct nid_stat *stat;
144 /* we need extra list - because hash_exit called to early */
145 /* not need locking because all clients is died */
146 while (!list_empty(&obd->obd_nid_stats)) {
147 stat = list_entry(obd->obd_nid_stats.next,
148 struct nid_stat, nid_list);
149 list_del_init(&stat->nid_list);
150 cfs_hash_del(hash, &stat->nid, &stat->nid_hash);
151 lprocfs_free_client_stats(stat);
155 EXPORT_SYMBOL(lprocfs_free_per_client_stats);
157 static int lprocfs_exp_print_uuid_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
158 struct hlist_node *hnode, void *cb_data)
160 struct seq_file *m = cb_data;
161 struct obd_export *exp = cfs_hash_object(hs, hnode);
163 if (exp->exp_nid_stats != NULL)
164 seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid));
168 static int lprocfs_exp_print_nodemap_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
169 struct hlist_node *hnode, void *cb_data)
171 struct seq_file *m = cb_data;
172 struct obd_export *exp = cfs_hash_object(hs, hnode);
173 struct lu_nodemap *nodemap = exp->exp_target_data.ted_nodemap;
176 seq_printf(m, "%s\n", nodemap->nm_name);
180 static int lprocfs_exp_nodemap_seq_show(struct seq_file *m, void *data)
182 struct nid_stat *stats = m->private;
183 struct obd_device *obd = stats->nid_obd;
185 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
186 lprocfs_exp_print_nodemap_seq, m);
189 LPROC_SEQ_FOPS_RO(lprocfs_exp_nodemap);
191 static int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data)
193 struct nid_stat *stats = m->private;
194 struct obd_device *obd = stats->nid_obd;
196 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
197 lprocfs_exp_print_uuid_seq, m);
200 LPROC_SEQ_FOPS_RO(lprocfs_exp_uuid);
202 static int lprocfs_exp_print_hash_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
203 struct hlist_node *hnode, void *cb_data)
206 struct seq_file *m = cb_data;
207 struct obd_export *exp = cfs_hash_object(hs, hnode);
209 if (exp->exp_lock_hash != NULL) {
210 cfs_hash_debug_header(m);
211 cfs_hash_debug_str(hs, m);
216 static int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data)
218 struct nid_stat *stats = m->private;
219 struct obd_device *obd = stats->nid_obd;
221 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
222 lprocfs_exp_print_hash_seq, m);
225 LPROC_SEQ_FOPS_RO(lprocfs_exp_hash);
227 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
229 return seq_printf(m, "%s\n", "Write into this file to clear all nid "
230 "stats and stale nid entries");
232 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_show);
234 static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
236 struct nid_stat *stat = obj;
239 CDEBUG(D_INFO, "refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
240 if (atomic_read(&stat->nid_exp_ref_count) == 1) {
241 /* object has only hash references. */
242 spin_lock(&stat->nid_obd->obd_nid_lock);
243 list_move(&stat->nid_list, data);
244 spin_unlock(&stat->nid_obd->obd_nid_lock);
247 /* we has reference to object - only clear data*/
249 lprocfs_clear_stats(stat->nid_stats);
255 lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer,
256 size_t count, loff_t *off)
258 struct seq_file *m = file->private_data;
259 struct obd_device *obd = m->private;
260 struct nid_stat *client_stat;
261 struct list_head free_list;
263 INIT_LIST_HEAD(&free_list);
264 cfs_hash_cond_del(obd->obd_nid_stats_hash,
265 lprocfs_nid_stats_clear_write_cb, &free_list);
267 while (!list_empty(&free_list)) {
268 client_stat = list_entry(free_list.next, struct nid_stat,
270 list_del_init(&client_stat->nid_list);
271 lprocfs_free_client_stats(client_stat);
275 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write);
277 int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid)
279 struct nid_stat *new_stat, *old_stat;
280 struct obd_device *obd = NULL;
281 struct proc_dir_entry *entry;
282 char nidstr[LNET_NIDSTR_SIZE];
286 if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
287 !exp->exp_obd->obd_nid_stats_hash)
290 /* not test against zero because eric say:
291 * You may only test nid against another nid, or LNET_NID_ANY.
292 * Anything else is nonsense.*/
293 if (nid == NULL || *nid == LNET_NID_ANY)
296 libcfs_nid2str_r(*nid, nidstr, sizeof(nidstr));
298 spin_lock(&exp->exp_lock);
299 if (exp->exp_nid_stats != NULL) {
300 spin_unlock(&exp->exp_lock);
303 spin_unlock(&exp->exp_lock);
307 CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
309 OBD_ALLOC_PTR(new_stat);
310 if (new_stat == NULL)
313 new_stat->nid = *nid;
314 new_stat->nid_obd = exp->exp_obd;
315 /* we need set default refcount to 1 to balance obd_disconnect */
316 atomic_set(&new_stat->nid_exp_ref_count, 1);
318 old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
319 nid, &new_stat->nid_hash);
320 CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
321 old_stat, nidstr, atomic_read(&old_stat->nid_exp_ref_count));
323 /* Return -EALREADY here so that we know that the /proc
324 * entry already has been created */
325 if (old_stat != new_stat) {
326 spin_lock(&exp->exp_lock);
327 if (exp->exp_nid_stats) {
328 LASSERT(exp->exp_nid_stats == old_stat);
329 nidstat_putref(exp->exp_nid_stats);
331 exp->exp_nid_stats = old_stat;
332 spin_unlock(&exp->exp_lock);
333 GOTO(destroy_new, rc = -EALREADY);
335 /* not found - create */
336 new_stat->nid_proc = lprocfs_register(nidstr,
337 obd->obd_proc_exports_entry,
340 if (IS_ERR(new_stat->nid_proc)) {
341 rc = PTR_ERR(new_stat->nid_proc);
342 new_stat->nid_proc = NULL;
343 CERROR("%s: cannot create proc entry for export %s: rc = %d\n",
344 obd->obd_name, nidstr, rc);
345 GOTO(destroy_new_ns, rc);
348 entry = lprocfs_add_simple(new_stat->nid_proc, "nodemap", new_stat,
349 &lprocfs_exp_nodemap_fops);
352 CWARN("Error adding the nodemap file: rc = %d\n", rc);
353 GOTO(destroy_new_ns, rc);
356 entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", new_stat,
357 &lprocfs_exp_uuid_fops);
360 CWARN("Error adding the NID stats file: rc = %d\n", rc);
361 GOTO(destroy_new_ns, rc);
364 entry = lprocfs_add_simple(new_stat->nid_proc, "hash", new_stat,
365 &lprocfs_exp_hash_fops);
368 CWARN("Error adding the hash file: rc = %d\n", rc);
369 GOTO(destroy_new_ns, rc);
372 spin_lock(&exp->exp_lock);
373 exp->exp_nid_stats = new_stat;
374 spin_unlock(&exp->exp_lock);
376 /* protect competitive add to list, not need locking on destroy */
377 spin_lock(&obd->obd_nid_lock);
378 list_add(&new_stat->nid_list, &obd->obd_nid_stats);
379 spin_unlock(&obd->obd_nid_lock);
384 if (new_stat->nid_proc != NULL)
385 lprocfs_remove(&new_stat->nid_proc);
386 cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
389 nidstat_putref(new_stat);
390 OBD_FREE_PTR(new_stat);
393 EXPORT_SYMBOL(lprocfs_exp_setup);
395 int lprocfs_exp_cleanup(struct obd_export *exp)
397 struct nid_stat *stat = exp->exp_nid_stats;
399 if (!stat || !exp->exp_obd)
402 nidstat_putref(exp->exp_nid_stats);
403 exp->exp_nid_stats = NULL;
408 #define LPROCFS_OBD_OP_INIT(base, stats, op) \
410 unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
411 LASSERT(coffset < stats->ls_num); \
412 lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
415 void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
417 LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
418 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
419 LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
420 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
421 LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
422 LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
423 LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
424 LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
425 LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
426 LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
427 LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
428 LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
429 LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
430 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
431 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
432 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
433 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
434 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
435 LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
436 LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
437 LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
438 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
439 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
440 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
441 LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
442 LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
443 LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
444 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
445 LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
446 LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
447 LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
448 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
449 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
450 LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
451 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
452 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
453 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
454 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
455 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
456 LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
458 CLASSERT(NUM_OBD_STATS == OBD_COUNTER_OFFSET(putref) + 1);
460 EXPORT_SYMBOL(lprocfs_init_ops_stats);
462 int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
464 struct lprocfs_stats *stats;
465 unsigned int num_stats;
468 LASSERT(obd->obd_stats == NULL);
469 LASSERT(obd->obd_proc_entry != NULL);
470 LASSERT(obd->obd_cntr_base == 0);
472 num_stats = NUM_OBD_STATS + num_private_stats;
473 stats = lprocfs_alloc_stats(num_stats, 0);
477 lprocfs_init_ops_stats(num_private_stats, stats);
479 for (i = num_private_stats; i < num_stats; i++) {
480 /* If this LBUGs, it is likely that an obd
481 * operation was added to struct obd_ops in
482 * <obd.h>, and that the corresponding line item
483 * LPROCFS_OBD_OP_INIT(.., .., opname)
484 * is missing from the list above. */
485 LASSERTF(stats->ls_cnt_header[i].lc_name != NULL,
486 "Missing obd_stat initializer obd_op "
487 "operation at offset %d.\n", i - num_private_stats);
489 rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
491 lprocfs_free_stats(&stats);
493 obd->obd_stats = stats;
494 obd->obd_cntr_base = num_private_stats;
498 EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
500 void lprocfs_free_obd_stats(struct obd_device *obd)
503 lprocfs_free_stats(&obd->obd_stats);
505 EXPORT_SYMBOL(lprocfs_free_obd_stats);
507 int lprocfs_hash_seq_show(struct seq_file *m, void *data)
509 struct obd_device *obd = m->private;
515 c += cfs_hash_debug_header(m);
516 c += cfs_hash_debug_str(obd->obd_uuid_hash, m);
517 c += cfs_hash_debug_str(obd->obd_nid_hash, m);
518 c += cfs_hash_debug_str(obd->obd_nid_stats_hash, m);
521 EXPORT_SYMBOL(lprocfs_hash_seq_show);
523 int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data)
525 struct obd_device *obd = m->private;
527 LASSERT(obd != NULL);
529 seq_printf(m, "status: ");
530 if (obd->obd_max_recoverable_clients == 0) {
531 seq_printf(m, "INACTIVE\n");
535 /* sampled unlocked, but really... */
536 if (obd->obd_recovering == 0) {
537 seq_printf(m, "COMPLETE\n");
538 seq_printf(m, "recovery_start: %lu\n", obd->obd_recovery_start);
539 seq_printf(m, "recovery_duration: %lu\n",
540 obd->obd_recovery_end - obd->obd_recovery_start);
541 /* Number of clients that have completed recovery */
542 seq_printf(m, "completed_clients: %d/%d\n",
543 obd->obd_max_recoverable_clients -
544 obd->obd_stale_clients,
545 obd->obd_max_recoverable_clients);
546 seq_printf(m, "replayed_requests: %d\n",
547 obd->obd_replayed_requests);
548 seq_printf(m, "last_transno: "LPD64"\n",
549 obd->obd_next_recovery_transno - 1);
550 seq_printf(m, "VBR: %s\n", obd->obd_version_recov ?
551 "ENABLED" : "DISABLED");
552 seq_printf(m, "IR: %s\n", obd->obd_no_ir ?
553 "DISABLED" : "ENABLED");
557 seq_printf(m, "RECOVERING\n");
558 seq_printf(m, "recovery_start: %lu\n", obd->obd_recovery_start);
559 seq_printf(m, "time_remaining: %lu\n",
560 cfs_time_current_sec() >=
561 obd->obd_recovery_start +
562 obd->obd_recovery_timeout ? 0 :
563 obd->obd_recovery_start +
564 obd->obd_recovery_timeout -
565 cfs_time_current_sec());
566 seq_printf(m, "connected_clients: %d/%d\n",
567 atomic_read(&obd->obd_connected_clients),
568 obd->obd_max_recoverable_clients);
569 /* Number of clients that have completed recovery */
570 seq_printf(m, "req_replay_clients: %d\n",
571 atomic_read(&obd->obd_req_replay_clients));
572 seq_printf(m, "lock_repay_clients: %d\n",
573 atomic_read(&obd->obd_lock_replay_clients));
574 seq_printf(m, "completed_clients: %d\n",
575 atomic_read(&obd->obd_connected_clients) -
576 atomic_read(&obd->obd_lock_replay_clients));
577 seq_printf(m, "evicted_clients: %d\n", obd->obd_stale_clients);
578 seq_printf(m, "replayed_requests: %d\n", obd->obd_replayed_requests);
579 seq_printf(m, "queued_requests: %d\n",
580 obd->obd_requests_queued_for_recovery);
581 seq_printf(m, "next_transno: "LPD64"\n",
582 obd->obd_next_recovery_transno);
586 EXPORT_SYMBOL(lprocfs_recovery_status_seq_show);
588 int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data)
590 struct obd_device *obd = m->private;
592 LASSERT(obd != NULL);
593 return seq_printf(m, "%d\n", obd->obd_recovery_ir_factor);
595 EXPORT_SYMBOL(lprocfs_ir_factor_seq_show);
598 lprocfs_ir_factor_seq_write(struct file *file, const char *buffer,
599 size_t count, loff_t *off)
601 struct seq_file *m = file->private_data;
602 struct obd_device *obd = m->private;
605 LASSERT(obd != NULL);
606 rc = lprocfs_write_helper(buffer, count, &val);
610 if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
613 obd->obd_recovery_ir_factor = val;
616 EXPORT_SYMBOL(lprocfs_ir_factor_seq_write);
618 int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data)
620 struct obd_device *obd = m->private;
622 LASSERT(obd != NULL);
623 return seq_printf(m, "%d\n", obd->obd_recovery_timeout);
625 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_show);
628 lprocfs_recovery_time_soft_seq_write(struct file *file, const char *buffer,
629 size_t count, loff_t *off)
631 struct seq_file *m = file->private_data;
632 struct obd_device *obd = m->private;
635 LASSERT(obd != NULL);
636 rc = lprocfs_write_helper(buffer, count, &val);
640 obd->obd_recovery_timeout = val;
643 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_write);
645 int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data)
647 struct obd_device *obd = m->private;
649 LASSERT(obd != NULL);
650 return seq_printf(m, "%u\n", obd->obd_recovery_time_hard);
652 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_show);
655 lprocfs_recovery_time_hard_seq_write(struct file *file, const char *buffer,
656 size_t count, loff_t *off)
658 struct seq_file *m = file->private_data;
659 struct obd_device *obd = m->private;
662 LASSERT(obd != NULL);
663 rc = lprocfs_write_helper(buffer, count, &val);
667 obd->obd_recovery_time_hard = val;
670 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_write);
672 int lprocfs_target_instance_seq_show(struct seq_file *m, void *data)
674 struct obd_device *obd = m->private;
675 struct obd_device_target *target = &obd->u.obt;
677 LASSERT(obd != NULL);
678 LASSERT(target->obt_magic == OBT_MAGIC);
679 return seq_printf(m, "%u\n", obd->u.obt.obt_instance);
681 EXPORT_SYMBOL(lprocfs_target_instance_seq_show);
683 #endif /* CONFIG_PROC_FS*/