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>
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 int lprocfs_exp_nid_seq_show(struct seq_file *m, void *data)
159 struct obd_export *exp = m->private;
160 LASSERT(exp != NULL);
161 return seq_printf(m, "%s\n", obd_export_nid2str(exp));
164 int lprocfs_exp_print_uuid_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
165 struct hlist_node *hnode, void *cb_data)
168 struct obd_export *exp = cfs_hash_object(hs, hnode);
169 struct seq_file *m = cb_data;
171 if (exp->exp_nid_stats)
172 seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid));
176 int lprocfs_exp_nodemap_seq_show(struct seq_file *m, void *data)
178 struct obd_export *exp = m->private;
179 if (exp->exp_target_data.ted_nodemap)
180 return seq_printf(m, "%s\n",
181 exp->exp_target_data.ted_nodemap->nm_name);
182 return seq_printf(m, "null\n");
184 LPROC_SEQ_FOPS_RO(lprocfs_exp_nodemap);
186 int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data)
188 struct nid_stat *stats = m->private;
189 struct obd_device *obd = stats->nid_obd;
191 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
192 lprocfs_exp_print_uuid_seq, m);
195 LPROC_SEQ_FOPS_RO(lprocfs_exp_uuid);
197 int lprocfs_exp_print_hash_seq(cfs_hash_t *hs, cfs_hash_bd_t *bd,
198 struct hlist_node *hnode, void *cb_data)
201 struct seq_file *m = cb_data;
202 struct obd_export *exp = cfs_hash_object(hs, hnode);
204 if (exp->exp_lock_hash != NULL) {
205 cfs_hash_debug_header(m);
206 cfs_hash_debug_str(hs, m);
211 int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data)
213 struct nid_stat *stats = m->private;
214 struct obd_device *obd = stats->nid_obd;
216 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
217 lprocfs_exp_print_hash_seq, m);
220 LPROC_SEQ_FOPS_RO(lprocfs_exp_hash);
222 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
224 return seq_printf(m, "%s\n", "Write into this file to clear all nid "
225 "stats and stale nid entries");
227 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_show);
229 static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
231 struct nid_stat *stat = obj;
234 CDEBUG(D_INFO, "refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
235 if (atomic_read(&stat->nid_exp_ref_count) == 1) {
236 /* object has only hash references. */
237 spin_lock(&stat->nid_obd->obd_nid_lock);
238 list_move(&stat->nid_list, data);
239 spin_unlock(&stat->nid_obd->obd_nid_lock);
242 /* we has reference to object - only clear data*/
244 lprocfs_clear_stats(stat->nid_stats);
250 lprocfs_nid_stats_clear_seq_write(struct file *file, const char *buffer,
251 size_t count, loff_t *off)
253 struct seq_file *m = file->private_data;
254 struct obd_device *obd = m->private;
255 struct nid_stat *client_stat;
256 struct list_head free_list;
258 INIT_LIST_HEAD(&free_list);
259 cfs_hash_cond_del(obd->obd_nid_stats_hash,
260 lprocfs_nid_stats_clear_write_cb, &free_list);
262 while (!list_empty(&free_list)) {
263 client_stat = list_entry(free_list.next, struct nid_stat,
265 list_del_init(&client_stat->nid_list);
266 lprocfs_free_client_stats(client_stat);
270 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write);
272 int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
274 struct nid_stat *new_stat, *old_stat;
275 struct obd_device *obd = NULL;
276 struct proc_dir_entry *entry;
283 if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
284 !exp->exp_obd->obd_nid_stats_hash)
287 /* not test against zero because eric say:
288 * You may only test nid against another nid, or LNET_NID_ANY.
289 * Anything else is nonsense.*/
290 if (!nid || *nid == LNET_NID_ANY)
293 spin_lock(&exp->exp_lock);
294 if (exp->exp_nid_stats != NULL) {
295 spin_unlock(&exp->exp_lock);
298 spin_unlock(&exp->exp_lock);
302 CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
304 OBD_ALLOC_PTR(new_stat);
305 if (new_stat == NULL)
308 new_stat->nid = *nid;
309 new_stat->nid_obd = exp->exp_obd;
310 /* we need set default refcount to 1 to balance obd_disconnect */
311 atomic_set(&new_stat->nid_exp_ref_count, 1);
313 old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
314 nid, &new_stat->nid_hash);
315 CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
316 old_stat, libcfs_nid2str(*nid),
317 atomic_read(&new_stat->nid_exp_ref_count));
319 /* Return -EALREADY here so that we know that the /proc
320 * entry already has been created */
321 if (old_stat != new_stat) {
322 spin_lock(&exp->exp_lock);
323 if (exp->exp_nid_stats) {
324 LASSERT(exp->exp_nid_stats == old_stat);
325 nidstat_putref(exp->exp_nid_stats);
327 exp->exp_nid_stats = old_stat;
328 spin_unlock(&exp->exp_lock);
329 GOTO(destroy_new, rc = -EALREADY);
331 /* not found - create */
332 OBD_ALLOC(buffer, LNET_NIDSTR_SIZE);
334 GOTO(destroy_new, rc = -ENOMEM);
336 memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE);
337 new_stat->nid_proc = lprocfs_register(buffer,
338 obd->obd_proc_exports_entry,
340 OBD_FREE(buffer, LNET_NIDSTR_SIZE);
342 if (IS_ERR(new_stat->nid_proc)) {
343 rc = PTR_ERR(new_stat->nid_proc);
344 new_stat->nid_proc = NULL;
345 CERROR("%s: cannot create proc entry for export %s: rc = %d\n",
346 obd->obd_name, libcfs_nid2str(*nid), rc);
347 GOTO(destroy_new_ns, rc);
350 entry = lprocfs_add_simple(new_stat->nid_proc, "nodemap",
351 exp, &lprocfs_exp_nodemap_fops);
354 CWARN("Error adding the nodemap file: rc = %d\n", rc);
355 GOTO(destroy_new_ns, rc);
358 entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", new_stat,
359 &lprocfs_exp_uuid_fops);
362 CWARN("Error adding the NID stats file: rc = %d\n", rc);
363 GOTO(destroy_new_ns, rc);
366 entry = lprocfs_add_simple(new_stat->nid_proc, "hash", new_stat,
367 &lprocfs_exp_hash_fops);
370 CWARN("Error adding the hash file: rc = %d\n", rc);
371 GOTO(destroy_new_ns, rc);
374 spin_lock(&exp->exp_lock);
375 exp->exp_nid_stats = new_stat;
376 spin_unlock(&exp->exp_lock);
378 /* protect competitive add to list, not need locking on destroy */
379 spin_lock(&obd->obd_nid_lock);
380 list_add(&new_stat->nid_list, &obd->obd_nid_stats);
381 spin_unlock(&obd->obd_nid_lock);
386 if (new_stat->nid_proc != NULL)
387 lprocfs_remove(&new_stat->nid_proc);
388 cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
391 nidstat_putref(new_stat);
392 OBD_FREE_PTR(new_stat);
395 EXPORT_SYMBOL(lprocfs_exp_setup);
397 int lprocfs_exp_cleanup(struct obd_export *exp)
399 struct nid_stat *stat = exp->exp_nid_stats;
401 if (!stat || !exp->exp_obd)
404 nidstat_putref(exp->exp_nid_stats);
405 exp->exp_nid_stats = NULL;
409 EXPORT_SYMBOL(lprocfs_exp_cleanup);
411 #define LPROCFS_OBD_OP_INIT(base, stats, op) \
413 unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
414 LASSERT(coffset < stats->ls_num); \
415 lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
418 void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
420 LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
421 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
422 LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
423 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
424 LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
425 LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
426 LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
427 LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
428 LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
429 LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
430 LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
431 LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
432 LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
433 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
434 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
435 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
436 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
437 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
438 LPROCFS_OBD_OP_INIT(num_private_stats, stats, packmd);
439 LPROCFS_OBD_OP_INIT(num_private_stats, stats, unpackmd);
440 LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
441 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
442 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
443 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr_async);
444 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
445 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr_async);
446 LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
447 LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
448 LPROCFS_OBD_OP_INIT(num_private_stats, stats, change_cbdata);
449 LPROCFS_OBD_OP_INIT(num_private_stats, stats, find_cbdata);
450 LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
451 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
452 LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
453 LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
454 LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
455 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
456 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotacheck);
457 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
458 LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
459 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
460 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
461 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
462 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
463 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
464 LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
466 CLASSERT(NUM_OBD_STATS == OBD_COUNTER_OFFSET(putref) + 1);
468 EXPORT_SYMBOL(lprocfs_init_ops_stats);
470 int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
472 struct lprocfs_stats *stats;
473 unsigned int num_stats;
476 LASSERT(obd->obd_stats == NULL);
477 LASSERT(obd->obd_proc_entry != NULL);
478 LASSERT(obd->obd_cntr_base == 0);
480 num_stats = NUM_OBD_STATS + num_private_stats;
481 stats = lprocfs_alloc_stats(num_stats, 0);
485 lprocfs_init_ops_stats(num_private_stats, stats);
487 for (i = num_private_stats; i < num_stats; i++) {
488 /* If this LBUGs, it is likely that an obd
489 * operation was added to struct obd_ops in
490 * <obd.h>, and that the corresponding line item
491 * LPROCFS_OBD_OP_INIT(.., .., opname)
492 * is missing from the list above. */
493 LASSERTF(stats->ls_cnt_header[i].lc_name != NULL,
494 "Missing obd_stat initializer obd_op "
495 "operation at offset %d.\n", i - num_private_stats);
497 rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
499 lprocfs_free_stats(&stats);
501 obd->obd_stats = stats;
502 obd->obd_cntr_base = num_private_stats;
506 EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
508 void lprocfs_free_obd_stats(struct obd_device *obd)
511 lprocfs_free_stats(&obd->obd_stats);
513 EXPORT_SYMBOL(lprocfs_free_obd_stats);
515 int lprocfs_hash_seq_show(struct seq_file *m, void *data)
517 struct obd_device *obd = m->private;
523 c += cfs_hash_debug_header(m);
524 c += cfs_hash_debug_str(obd->obd_uuid_hash, m);
525 c += cfs_hash_debug_str(obd->obd_nid_hash, m);
526 c += cfs_hash_debug_str(obd->obd_nid_stats_hash, m);
529 EXPORT_SYMBOL(lprocfs_hash_seq_show);
531 int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data)
533 struct obd_device *obd = m->private;
535 LASSERT(obd != NULL);
537 seq_printf(m, "status: ");
538 if (obd->obd_max_recoverable_clients == 0) {
539 seq_printf(m, "INACTIVE\n");
543 /* sampled unlocked, but really... */
544 if (obd->obd_recovering == 0) {
545 seq_printf(m, "COMPLETE\n");
546 seq_printf(m, "recovery_start: %lu\n", obd->obd_recovery_start);
547 seq_printf(m, "recovery_duration: %lu\n",
548 obd->obd_recovery_end - obd->obd_recovery_start);
549 /* Number of clients that have completed recovery */
550 seq_printf(m, "completed_clients: %d/%d\n",
551 obd->obd_max_recoverable_clients -
552 obd->obd_stale_clients,
553 obd->obd_max_recoverable_clients);
554 seq_printf(m, "replayed_requests: %d\n",
555 obd->obd_replayed_requests);
556 seq_printf(m, "last_transno: "LPD64"\n",
557 obd->obd_next_recovery_transno - 1);
558 seq_printf(m, "VBR: %s\n", obd->obd_version_recov ?
559 "ENABLED" : "DISABLED");
560 seq_printf(m, "IR: %s\n", obd->obd_no_ir ?
561 "DISABLED" : "ENABLED");
565 seq_printf(m, "RECOVERING\n");
566 seq_printf(m, "recovery_start: %lu\n", obd->obd_recovery_start);
567 seq_printf(m, "time_remaining: %lu\n",
568 cfs_time_current_sec() >=
569 obd->obd_recovery_start +
570 obd->obd_recovery_timeout ? 0 :
571 obd->obd_recovery_start +
572 obd->obd_recovery_timeout -
573 cfs_time_current_sec());
574 seq_printf(m, "connected_clients: %d/%d\n",
575 atomic_read(&obd->obd_connected_clients),
576 obd->obd_max_recoverable_clients);
577 /* Number of clients that have completed recovery */
578 seq_printf(m, "req_replay_clients: %d\n",
579 atomic_read(&obd->obd_req_replay_clients));
580 seq_printf(m, "lock_repay_clients: %d\n",
581 atomic_read(&obd->obd_lock_replay_clients));
582 seq_printf(m, "completed_clients: %d\n",
583 atomic_read(&obd->obd_connected_clients) -
584 atomic_read(&obd->obd_lock_replay_clients));
585 seq_printf(m, "evicted_clients: %d\n", obd->obd_stale_clients);
586 seq_printf(m, "replayed_requests: %d\n", obd->obd_replayed_requests);
587 seq_printf(m, "queued_requests: %d\n",
588 obd->obd_requests_queued_for_recovery);
589 seq_printf(m, "next_transno: "LPD64"\n",
590 obd->obd_next_recovery_transno);
594 EXPORT_SYMBOL(lprocfs_recovery_status_seq_show);
596 int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data)
598 struct obd_device *obd = m->private;
600 LASSERT(obd != NULL);
601 return seq_printf(m, "%d\n", obd->obd_recovery_ir_factor);
603 EXPORT_SYMBOL(lprocfs_ir_factor_seq_show);
606 lprocfs_ir_factor_seq_write(struct file *file, const char *buffer,
607 size_t count, loff_t *off)
609 struct seq_file *m = file->private_data;
610 struct obd_device *obd = m->private;
613 LASSERT(obd != NULL);
614 rc = lprocfs_write_helper(buffer, count, &val);
618 if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
621 obd->obd_recovery_ir_factor = val;
624 EXPORT_SYMBOL(lprocfs_ir_factor_seq_write);
626 int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data)
628 struct obd_device *obd = m->private;
630 LASSERT(obd != NULL);
631 return seq_printf(m, "%d\n", obd->obd_recovery_timeout);
633 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_show);
636 lprocfs_recovery_time_soft_seq_write(struct file *file, const char *buffer,
637 size_t count, loff_t *off)
639 struct seq_file *m = file->private_data;
640 struct obd_device *obd = m->private;
643 LASSERT(obd != NULL);
644 rc = lprocfs_write_helper(buffer, count, &val);
648 obd->obd_recovery_timeout = val;
651 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_write);
653 int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data)
655 struct obd_device *obd = m->private;
657 LASSERT(obd != NULL);
658 return seq_printf(m, "%u\n", obd->obd_recovery_time_hard);
660 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_show);
663 lprocfs_recovery_time_hard_seq_write(struct file *file, const char *buffer,
664 size_t count, loff_t *off)
666 struct seq_file *m = file->private_data;
667 struct obd_device *obd = m->private;
670 LASSERT(obd != NULL);
671 rc = lprocfs_write_helper(buffer, count, &val);
675 obd->obd_recovery_time_hard = val;
678 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_write);
680 int lprocfs_target_instance_seq_show(struct seq_file *m, void *data)
682 struct obd_device *obd = m->private;
683 struct obd_device_target *target = &obd->u.obt;
685 LASSERT(obd != NULL);
686 LASSERT(target->obt_magic == OBT_MAGIC);
687 return seq_printf(m, "%u\n", obd->u.obt.obt_instance);
689 EXPORT_SYMBOL(lprocfs_target_instance_seq_show);