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>
46 int lprocfs_evict_client_open(struct inode *inode, struct file *f)
48 struct obd_device *obd = PDE_DATA(file_inode(f));
50 atomic_inc(&obd->obd_evict_inprogress);
54 int lprocfs_evict_client_release(struct inode *inode, struct file *f)
56 struct obd_device *obd = PDE_DATA(file_inode(f));
58 atomic_dec(&obd->obd_evict_inprogress);
59 wake_up(&obd->obd_evict_inprogress_waitq);
64 #define BUFLEN (UUID_MAX + 5)
67 lprocfs_evict_client_seq_write(struct file *file, const char __user *buffer,
68 size_t count, loff_t *off)
70 struct seq_file *m = file->private_data;
71 struct obd_device *obd = m->private;
74 OBD_ALLOC(kbuf, BUFLEN);
79 * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
80 * bytes into kbuf, to ensure that the string is NUL-terminated.
81 * UUID_MAX should include a trailing NUL already.
83 if (copy_from_user(kbuf, buffer,
84 min_t(unsigned long, BUFLEN - 1, count))) {
88 tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
89 class_incref(obd, __func__, current);
91 if (strncmp(tmpbuf, "nid:", 4) == 0)
92 obd_export_evict_by_nid(obd, tmpbuf + 4);
93 else if (strncmp(tmpbuf, "uuid:", 5) == 0)
94 obd_export_evict_by_uuid(obd, tmpbuf + 5);
96 obd_export_evict_by_uuid(obd, tmpbuf);
98 class_decref(obd, __func__, current);
101 OBD_FREE(kbuf, BUFLEN);
104 EXPORT_SYMBOL(lprocfs_evict_client_seq_write);
108 int lprocfs_num_exports_seq_show(struct seq_file *m, void *data)
110 struct obd_device *obd = data;
112 LASSERT(obd != NULL);
113 seq_printf(m, "%u\n", obd->obd_num_exports);
116 EXPORT_SYMBOL(lprocfs_num_exports_seq_show);
118 static int obd_export_flags2str(struct obd_export *exp, struct seq_file *m)
122 flag2str(exp, failed);
123 flag2str(exp, in_recovery);
124 flag2str(exp, disconnected);
125 flag2str(exp, connecting);
131 lprocfs_exp_print_export_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
132 struct hlist_node *hnode, void *cb_data)
134 struct seq_file *m = cb_data;
135 struct obd_export *exp = cfs_hash_object(hs, hnode);
136 struct obd_device *obd;
137 struct obd_connect_data *ocd;
139 LASSERT(exp != NULL);
140 if (exp->exp_nid_stats == NULL)
143 ocd = &exp->exp_connect_data;
145 seq_printf(m, "%s:\n"
148 " connect_flags: [ ",
149 obd_uuid2str(&exp->exp_client_uuid),
151 obd_export_nid2str(exp));
152 obd_connect_seq_flags2str(m, ocd->ocd_connect_flags,
153 ocd->ocd_connect_flags2, ", ");
154 seq_printf(m, " ]\n");
155 obd_connect_data_seqprint(m, ocd);
156 seq_printf(m, " export_flags: [ ");
157 obd_export_flags2str(exp, m);
158 seq_printf(m, " ]\n");
165 * RPC connections are composed of an import and an export. Using the
166 * lctl utility we can extract important information about the state.
167 * The lprocfs_exp_export_seq_show routine displays the state information
170 * \param[in] m seq file
171 * \param[in] data unused
173 * \retval 0 on success
175 * The format of the export state information is like:
176 * a793e354-49c0-aa11-8c4f-a4f2b1a1a92b:
178 * client: 10.211.55.10@tcp
179 * connect_flags: [ version, barrier, adaptive_timeouts, ... ]
181 * flags: 0x2000011005002020
183 * target_version: 2.10.51.0
184 * export_flags: [ ... ]
187 static int lprocfs_exp_export_seq_show(struct seq_file *m, void *data)
189 struct nid_stat *stats = m->private;
190 struct obd_device *obd = stats->nid_obd;
192 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
193 lprocfs_exp_print_export_seq, m);
196 LPROC_SEQ_FOPS_RO(lprocfs_exp_export);
198 static void lprocfs_free_client_stats(struct nid_stat *client_stat)
200 CDEBUG(D_CONFIG, "stat %p - data %p/%p\n", client_stat,
201 client_stat->nid_proc, client_stat->nid_stats);
203 LASSERTF(atomic_read(&client_stat->nid_exp_ref_count) == 0,
204 "nid %s:count %d\n", libcfs_nid2str(client_stat->nid),
205 atomic_read(&client_stat->nid_exp_ref_count));
207 if (client_stat->nid_proc)
208 lprocfs_remove(&client_stat->nid_proc);
210 if (client_stat->nid_stats)
211 lprocfs_free_stats(&client_stat->nid_stats);
213 if (client_stat->nid_ldlm_stats)
214 lprocfs_free_stats(&client_stat->nid_ldlm_stats);
216 OBD_FREE_PTR(client_stat);
220 void lprocfs_free_per_client_stats(struct obd_device *obd)
222 struct cfs_hash *hash = obd->obd_nid_stats_hash;
223 struct nid_stat *stat;
226 /* we need extra list - because hash_exit called to early */
227 /* not need locking because all clients is died */
228 while (!list_empty(&obd->obd_nid_stats)) {
229 stat = list_entry(obd->obd_nid_stats.next,
230 struct nid_stat, nid_list);
231 list_del_init(&stat->nid_list);
232 cfs_hash_del(hash, &stat->nid, &stat->nid_hash);
233 lprocfs_free_client_stats(stat);
237 EXPORT_SYMBOL(lprocfs_free_per_client_stats);
240 lprocfs_exp_print_uuid_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
241 struct hlist_node *hnode, void *cb_data)
243 struct seq_file *m = cb_data;
244 struct obd_export *exp = cfs_hash_object(hs, hnode);
246 if (exp->exp_nid_stats != NULL)
247 seq_printf(m, "%s\n", obd_uuid2str(&exp->exp_client_uuid));
252 lprocfs_exp_print_nodemap_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
253 struct hlist_node *hnode, void *cb_data)
255 struct seq_file *m = cb_data;
256 struct obd_export *exp = cfs_hash_object(hs, hnode);
257 struct lu_nodemap *nodemap = exp->exp_target_data.ted_nodemap;
260 seq_printf(m, "%s\n", nodemap->nm_name);
265 lprocfs_exp_nodemap_seq_show(struct seq_file *m, void *data)
267 struct nid_stat *stats = m->private;
268 struct obd_device *obd = stats->nid_obd;
270 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
271 lprocfs_exp_print_nodemap_seq, m);
274 LPROC_SEQ_FOPS_RO(lprocfs_exp_nodemap);
276 static int lprocfs_exp_uuid_seq_show(struct seq_file *m, void *data)
278 struct nid_stat *stats = m->private;
279 struct obd_device *obd = stats->nid_obd;
281 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
282 lprocfs_exp_print_uuid_seq, m);
285 LPROC_SEQ_FOPS_RO(lprocfs_exp_uuid);
288 lprocfs_exp_print_hash_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
289 struct hlist_node *hnode, void *cb_data)
292 struct seq_file *m = cb_data;
293 struct obd_export *exp = cfs_hash_object(hs, hnode);
295 if (exp->exp_lock_hash != NULL) {
296 cfs_hash_debug_header(m);
297 cfs_hash_debug_str(hs, m);
302 static int lprocfs_exp_hash_seq_show(struct seq_file *m, void *data)
304 struct nid_stat *stats = m->private;
305 struct obd_device *obd = stats->nid_obd;
307 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
308 lprocfs_exp_print_hash_seq, m);
311 LPROC_SEQ_FOPS_RO(lprocfs_exp_hash);
313 int lprocfs_exp_print_replydata_seq(struct cfs_hash *hs, struct cfs_hash_bd *bd,
314 struct hlist_node *hnode, void *cb_data)
317 struct obd_export *exp = cfs_hash_object(hs, hnode);
318 struct seq_file *m = cb_data;
319 struct tg_export_data *ted = &exp->exp_target_data;
321 seq_printf(m, "reply_cnt: %d\n"
323 "reply_released_by_xid: %d\n"
324 "reply_released_by_tag: %d\n\n",
327 ted->ted_release_xid,
328 ted->ted_release_tag);
332 int lprocfs_exp_replydata_seq_show(struct seq_file *m, void *data)
334 struct nid_stat *stats = m->private;
335 struct obd_device *obd = stats->nid_obd;
337 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
338 lprocfs_exp_print_replydata_seq, m);
341 LPROC_SEQ_FOPS_RO(lprocfs_exp_replydata);
343 int lprocfs_nid_stats_clear_seq_show(struct seq_file *m, void *data)
345 seq_puts(m, "Write into this file to clear all nid stats and stale nid entries\n");
348 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_show);
350 static int lprocfs_nid_stats_clear_write_cb(void *obj, void *data)
352 struct nid_stat *stat = obj;
355 CDEBUG(D_INFO, "refcnt %d\n", atomic_read(&stat->nid_exp_ref_count));
356 if (atomic_read(&stat->nid_exp_ref_count) == 1) {
357 /* object has only hash references. */
358 spin_lock(&stat->nid_obd->obd_nid_lock);
359 list_move(&stat->nid_list, data);
360 spin_unlock(&stat->nid_obd->obd_nid_lock);
363 /* we has reference to object - only clear data*/
365 lprocfs_clear_stats(stat->nid_stats);
371 lprocfs_nid_stats_clear_seq_write(struct file *file, const char __user *buffer,
372 size_t count, loff_t *off)
374 struct seq_file *m = file->private_data;
375 struct obd_device *obd = m->private;
376 struct nid_stat *client_stat;
377 struct list_head free_list;
379 INIT_LIST_HEAD(&free_list);
380 cfs_hash_cond_del(obd->obd_nid_stats_hash,
381 lprocfs_nid_stats_clear_write_cb, &free_list);
383 while (!list_empty(&free_list)) {
384 client_stat = list_entry(free_list.next, struct nid_stat,
386 list_del_init(&client_stat->nid_list);
387 lprocfs_free_client_stats(client_stat);
391 EXPORT_SYMBOL(lprocfs_nid_stats_clear_seq_write);
393 int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid)
395 struct nid_stat *new_stat, *old_stat;
396 struct obd_device *obd = NULL;
397 struct proc_dir_entry *entry;
398 char nidstr[LNET_NIDSTR_SIZE];
402 if (!exp || !exp->exp_obd || !exp->exp_obd->obd_proc_exports_entry ||
403 !exp->exp_obd->obd_nid_stats_hash)
406 /* not test against zero because eric say:
407 * You may only test nid against another nid, or LNET_NID_ANY.
408 * Anything else is nonsense.*/
409 if (nid == NULL || *nid == LNET_NID_ANY)
412 libcfs_nid2str_r(*nid, nidstr, sizeof(nidstr));
414 spin_lock(&exp->exp_lock);
415 if (exp->exp_nid_stats != NULL) {
416 spin_unlock(&exp->exp_lock);
419 spin_unlock(&exp->exp_lock);
423 CDEBUG(D_CONFIG, "using hash %p\n", obd->obd_nid_stats_hash);
425 OBD_ALLOC_PTR(new_stat);
426 if (new_stat == NULL)
429 new_stat->nid = *nid;
430 new_stat->nid_obd = exp->exp_obd;
431 /* we need set default refcount to 1 to balance obd_disconnect */
432 atomic_set(&new_stat->nid_exp_ref_count, 1);
434 old_stat = cfs_hash_findadd_unique(obd->obd_nid_stats_hash,
435 nid, &new_stat->nid_hash);
436 CDEBUG(D_INFO, "Found stats %p for nid %s - ref %d\n",
437 old_stat, nidstr, atomic_read(&old_stat->nid_exp_ref_count));
439 /* Return -EALREADY here so that we know that the /proc
440 * entry already has been created */
441 if (old_stat != new_stat) {
442 spin_lock(&exp->exp_lock);
443 if (exp->exp_nid_stats) {
444 LASSERT(exp->exp_nid_stats == old_stat);
445 nidstat_putref(exp->exp_nid_stats);
447 exp->exp_nid_stats = old_stat;
448 spin_unlock(&exp->exp_lock);
449 GOTO(destroy_new, rc = -EALREADY);
451 /* not found - create */
452 new_stat->nid_proc = lprocfs_register(nidstr,
453 obd->obd_proc_exports_entry,
456 if (IS_ERR(new_stat->nid_proc)) {
457 rc = PTR_ERR(new_stat->nid_proc);
458 new_stat->nid_proc = NULL;
459 CERROR("%s: cannot create proc entry for export %s: rc = %d\n",
460 obd->obd_name, nidstr, rc);
461 GOTO(destroy_new_ns, rc);
464 entry = lprocfs_add_simple(new_stat->nid_proc, "nodemap", new_stat,
465 &lprocfs_exp_nodemap_fops);
468 CWARN("%s: error adding the nodemap file: rc = %d\n",
470 GOTO(destroy_new_ns, rc);
473 entry = lprocfs_add_simple(new_stat->nid_proc, "uuid", new_stat,
474 &lprocfs_exp_uuid_fops);
477 CWARN("%s: error adding the NID stats file: rc = %d\n",
479 GOTO(destroy_new_ns, rc);
482 entry = lprocfs_add_simple(new_stat->nid_proc, "hash", new_stat,
483 &lprocfs_exp_hash_fops);
486 CWARN("%s: error adding the hash file: rc = %d\n",
488 GOTO(destroy_new_ns, rc);
491 entry = lprocfs_add_simple(new_stat->nid_proc, "export",
492 new_stat, &lprocfs_exp_export_fops);
495 CWARN("%s: error adding the export file: rc = %d\n",
497 GOTO(destroy_new_ns, rc);
500 entry = lprocfs_add_simple(new_stat->nid_proc, "reply_data", new_stat,
501 &lprocfs_exp_replydata_fops);
504 CWARN("%s: error adding the reply_data file: rc = %d\n",
506 GOTO(destroy_new_ns, rc);
509 spin_lock(&exp->exp_lock);
510 exp->exp_nid_stats = new_stat;
511 spin_unlock(&exp->exp_lock);
513 /* protect competitive add to list, not need locking on destroy */
514 spin_lock(&obd->obd_nid_lock);
515 list_add(&new_stat->nid_list, &obd->obd_nid_stats);
516 spin_unlock(&obd->obd_nid_lock);
521 if (new_stat->nid_proc != NULL)
522 lprocfs_remove(&new_stat->nid_proc);
523 cfs_hash_del(obd->obd_nid_stats_hash, nid, &new_stat->nid_hash);
526 nidstat_putref(new_stat);
527 OBD_FREE_PTR(new_stat);
530 EXPORT_SYMBOL(lprocfs_exp_setup);
532 int lprocfs_exp_cleanup(struct obd_export *exp)
534 struct nid_stat *stat = exp->exp_nid_stats;
536 if (!stat || !exp->exp_obd)
539 nidstat_putref(exp->exp_nid_stats);
540 exp->exp_nid_stats = NULL;
545 #define LPROCFS_OBD_OP_INIT(base, stats, op) \
547 unsigned int coffset = base + OBD_COUNTER_OFFSET(op); \
548 LASSERT(coffset < stats->ls_num); \
549 lprocfs_counter_init(stats, coffset, 0, #op, "reqs"); \
552 void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
554 LPROCFS_OBD_OP_INIT(num_private_stats, stats, iocontrol);
555 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_info);
556 LPROCFS_OBD_OP_INIT(num_private_stats, stats, set_info_async);
557 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setup);
558 LPROCFS_OBD_OP_INIT(num_private_stats, stats, precleanup);
559 LPROCFS_OBD_OP_INIT(num_private_stats, stats, cleanup);
560 LPROCFS_OBD_OP_INIT(num_private_stats, stats, process_config);
561 LPROCFS_OBD_OP_INIT(num_private_stats, stats, postrecov);
562 LPROCFS_OBD_OP_INIT(num_private_stats, stats, add_conn);
563 LPROCFS_OBD_OP_INIT(num_private_stats, stats, del_conn);
564 LPROCFS_OBD_OP_INIT(num_private_stats, stats, connect);
565 LPROCFS_OBD_OP_INIT(num_private_stats, stats, reconnect);
566 LPROCFS_OBD_OP_INIT(num_private_stats, stats, disconnect);
567 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_init);
568 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_fini);
569 LPROCFS_OBD_OP_INIT(num_private_stats, stats, fid_alloc);
570 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs);
571 LPROCFS_OBD_OP_INIT(num_private_stats, stats, statfs_async);
572 LPROCFS_OBD_OP_INIT(num_private_stats, stats, create);
573 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy);
574 LPROCFS_OBD_OP_INIT(num_private_stats, stats, setattr);
575 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getattr);
576 LPROCFS_OBD_OP_INIT(num_private_stats, stats, preprw);
577 LPROCFS_OBD_OP_INIT(num_private_stats, stats, commitrw);
578 LPROCFS_OBD_OP_INIT(num_private_stats, stats, init_export);
579 LPROCFS_OBD_OP_INIT(num_private_stats, stats, destroy_export);
580 LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
581 LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
582 LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
583 LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
584 LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
585 LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);
586 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_new);
587 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_rem);
588 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_add);
589 LPROCFS_OBD_OP_INIT(num_private_stats, stats, pool_del);
590 LPROCFS_OBD_OP_INIT(num_private_stats, stats, getref);
591 LPROCFS_OBD_OP_INIT(num_private_stats, stats, putref);
593 CLASSERT(NUM_OBD_STATS == OBD_COUNTER_OFFSET(putref) + 1);
595 EXPORT_SYMBOL(lprocfs_init_ops_stats);
597 int lprocfs_alloc_obd_stats(struct obd_device *obd, unsigned num_private_stats)
599 struct lprocfs_stats *stats;
600 unsigned int num_stats;
603 LASSERT(obd->obd_stats == NULL);
604 LASSERT(obd->obd_proc_entry != NULL);
605 LASSERT(obd->obd_cntr_base == 0);
607 num_stats = NUM_OBD_STATS + num_private_stats;
608 stats = lprocfs_alloc_stats(num_stats, 0);
612 lprocfs_init_ops_stats(num_private_stats, stats);
614 for (i = num_private_stats; i < num_stats; i++) {
615 /* If this LBUGs, it is likely that an obd
616 * operation was added to struct obd_ops in
617 * <obd.h>, and that the corresponding line item
618 * LPROCFS_OBD_OP_INIT(.., .., opname)
619 * is missing from the list above. */
620 LASSERTF(stats->ls_cnt_header[i].lc_name != NULL,
621 "Missing obd_stat initializer obd_op "
622 "operation at offset %d.\n", i - num_private_stats);
624 rc = lprocfs_register_stats(obd->obd_proc_entry, "stats", stats);
626 lprocfs_free_stats(&stats);
628 obd->obd_stats = stats;
629 obd->obd_cntr_base = num_private_stats;
633 EXPORT_SYMBOL(lprocfs_alloc_obd_stats);
635 void lprocfs_free_obd_stats(struct obd_device *obd)
638 lprocfs_free_stats(&obd->obd_stats);
640 EXPORT_SYMBOL(lprocfs_free_obd_stats);
642 int lprocfs_hash_seq_show(struct seq_file *m, void *data)
644 struct obd_device *obd = m->private;
649 cfs_hash_debug_header(m);
650 cfs_hash_debug_str(obd->obd_uuid_hash, m);
651 cfs_hash_debug_str(obd->obd_nid_hash, m);
652 cfs_hash_debug_str(obd->obd_nid_stats_hash, m);
655 EXPORT_SYMBOL(lprocfs_hash_seq_show);
657 int lprocfs_recovery_status_seq_show(struct seq_file *m, void *data)
659 struct obd_device *obd = m->private;
660 struct target_distribute_txn_data *tdtd;
662 LASSERT(obd != NULL);
664 seq_printf(m, "status: ");
665 if (obd->obd_max_recoverable_clients == 0) {
666 seq_printf(m, "INACTIVE\n");
670 /* sampled unlocked, but really... */
671 if (obd->obd_recovering == 0) {
672 seq_printf(m, "COMPLETE\n");
673 seq_printf(m, "recovery_start: %lld\n",
674 (s64)obd->obd_recovery_start);
675 seq_printf(m, "recovery_duration: %lld\n",
676 obd->obd_recovery_end ?
677 obd->obd_recovery_end - obd->obd_recovery_start :
678 ktime_get_real_seconds() - obd->obd_recovery_start);
679 /* Number of clients that have completed recovery */
680 seq_printf(m, "completed_clients: %d/%d\n",
681 obd->obd_max_recoverable_clients -
682 obd->obd_stale_clients,
683 obd->obd_max_recoverable_clients);
684 seq_printf(m, "replayed_requests: %d\n",
685 obd->obd_replayed_requests);
686 seq_printf(m, "last_transno: %lld\n",
687 obd->obd_next_recovery_transno - 1);
688 seq_printf(m, "VBR: %s\n", obd->obd_version_recov ?
689 "ENABLED" : "DISABLED");
690 seq_printf(m, "IR: %s\n", obd->obd_no_ir ?
691 "DISABLED" : "ENABLED");
695 tdtd = obd->u.obt.obt_lut->lut_tdtd;
696 if (tdtd && tdtd->tdtd_show_update_logs_retrievers) {
701 buf = tdtd->tdtd_show_update_logs_retrievers(
702 tdtd->tdtd_show_retrievers_cbdata,
705 seq_printf(m, "WAITING\n");
706 seq_printf(m, "non-ready MDTs: %s\n",
707 buf ? buf : "unknown (not enough RAM)");
708 seq_printf(m, "recovery_start: %lld\n",
709 (s64)obd->obd_recovery_start);
710 seq_printf(m, "time_waited: %lld\n",
711 (s64)(ktime_get_real_seconds() -
712 obd->obd_recovery_start));
718 if (likely(count > 0))
722 /* recovery won't start until the clients connect */
723 if (obd->obd_recovery_start == 0) {
724 seq_printf(m, "WAITING_FOR_CLIENTS\n");
728 seq_printf(m, "RECOVERING\n");
729 seq_printf(m, "recovery_start: %lld\n", (s64)obd->obd_recovery_start);
730 seq_printf(m, "time_remaining: %lld\n",
731 ktime_get_real_seconds() >=
732 obd->obd_recovery_start +
733 obd->obd_recovery_timeout ? 0 :
734 (s64)(obd->obd_recovery_start +
735 obd->obd_recovery_timeout -
736 ktime_get_real_seconds()));
737 seq_printf(m, "connected_clients: %d/%d\n",
738 atomic_read(&obd->obd_connected_clients),
739 obd->obd_max_recoverable_clients);
740 /* Number of clients that have completed recovery */
741 seq_printf(m, "req_replay_clients: %d\n",
742 atomic_read(&obd->obd_req_replay_clients));
743 seq_printf(m, "lock_repay_clients: %d\n",
744 atomic_read(&obd->obd_lock_replay_clients));
745 seq_printf(m, "completed_clients: %d\n",
746 atomic_read(&obd->obd_connected_clients) -
747 atomic_read(&obd->obd_lock_replay_clients));
748 seq_printf(m, "evicted_clients: %d\n", obd->obd_stale_clients);
749 seq_printf(m, "replayed_requests: %d\n", obd->obd_replayed_requests);
750 seq_printf(m, "queued_requests: %d\n",
751 obd->obd_requests_queued_for_recovery);
752 seq_printf(m, "next_transno: %lld\n",
753 obd->obd_next_recovery_transno);
757 EXPORT_SYMBOL(lprocfs_recovery_status_seq_show);
759 int lprocfs_ir_factor_seq_show(struct seq_file *m, void *data)
761 struct obd_device *obd = m->private;
763 LASSERT(obd != NULL);
764 seq_printf(m, "%d\n", obd->obd_recovery_ir_factor);
767 EXPORT_SYMBOL(lprocfs_ir_factor_seq_show);
770 lprocfs_ir_factor_seq_write(struct file *file, const char __user *buffer,
771 size_t count, loff_t *off)
773 struct seq_file *m = file->private_data;
774 struct obd_device *obd = m->private;
778 LASSERT(obd != NULL);
779 rc = lprocfs_str_to_s64(buffer, count, &val);
783 if (val < OBD_IR_FACTOR_MIN || val > OBD_IR_FACTOR_MAX)
786 obd->obd_recovery_ir_factor = val;
789 EXPORT_SYMBOL(lprocfs_ir_factor_seq_write);
791 int lprocfs_checksum_dump_seq_show(struct seq_file *m, void *data)
793 struct obd_device *obd = m->private;
795 LASSERT(obd != NULL);
796 seq_printf(m, "%d\n", obd->obd_checksum_dump);
799 EXPORT_SYMBOL(lprocfs_checksum_dump_seq_show);
802 lprocfs_checksum_dump_seq_write(struct file *file, const char __user *buffer,
803 size_t count, loff_t *off)
805 struct seq_file *m = file->private_data;
806 struct obd_device *obd = m->private;
810 LASSERT(obd != NULL);
811 rc = lprocfs_str_to_s64(buffer, count, &val);
815 obd->obd_checksum_dump = !!val;
818 EXPORT_SYMBOL(lprocfs_checksum_dump_seq_write);
820 int lprocfs_recovery_time_soft_seq_show(struct seq_file *m, void *data)
822 struct obd_device *obd = m->private;
824 LASSERT(obd != NULL);
825 seq_printf(m, "%llu\n", obd->obd_recovery_timeout);
828 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_show);
831 lprocfs_recovery_time_soft_seq_write(struct file *file,
832 const char __user *buffer,
833 size_t count, loff_t *off)
835 struct seq_file *m = file->private_data;
836 struct obd_device *obd = m->private;
840 LASSERT(obd != NULL);
841 rc = lprocfs_str_to_s64(buffer, count, &val);
844 if (val < 0 || val > INT_MAX)
847 obd->obd_recovery_timeout = val;
850 EXPORT_SYMBOL(lprocfs_recovery_time_soft_seq_write);
852 int lprocfs_recovery_time_hard_seq_show(struct seq_file *m, void *data)
854 struct obd_device *obd = m->private;
856 LASSERT(obd != NULL);
857 seq_printf(m, "%lld\n", obd->obd_recovery_time_hard);
860 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_show);
863 lprocfs_recovery_time_hard_seq_write(struct file *file,
864 const char __user *buffer,
865 size_t count, loff_t *off)
867 struct seq_file *m = file->private_data;
868 struct obd_device *obd = m->private;
872 LASSERT(obd != NULL);
873 rc = lprocfs_str_to_s64(buffer, count, &val);
876 if (val < 0 || val > INT_MAX)
879 obd->obd_recovery_time_hard = val;
882 EXPORT_SYMBOL(lprocfs_recovery_time_hard_seq_write);
884 int lprocfs_target_instance_seq_show(struct seq_file *m, void *data)
886 struct obd_device *obd = m->private;
887 struct obd_device_target *target = &obd->u.obt;
889 LASSERT(obd != NULL);
890 LASSERT(target->obt_magic == OBT_MAGIC);
891 seq_printf(m, "%u\n", obd->u.obt.obt_instance);
894 EXPORT_SYMBOL(lprocfs_target_instance_seq_show);
896 #endif /* CONFIG_PROC_FS*/