1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/mdt/mdt_lproc.c
38 * Author: Lai Siyao <lsy@clusterfs.com>
39 * Author: Fan Yong <fanyong@clusterfs.com>
43 # define EXPORT_SYMTAB
45 #define DEBUG_SUBSYSTEM S_MDS
47 #include <linux/version.h>
48 #include <asm/statfs.h>
50 #include <linux/module.h>
52 /* LUSTRE_VERSION_CODE */
53 #include <lustre_ver.h>
55 * struct OBD_{ALLOC,FREE}*()
58 #include <obd_support.h>
59 /* struct obd_export */
60 #include <lustre_export.h>
61 /* struct obd_device */
63 #include <obd_class.h>
64 #include <lustre_mds.h>
65 #include <lustre_mdt.h>
66 #include <lprocfs_status.h>
68 #include "mdt_internal.h"
69 #include <lnet/lib-lnet.h>
74 static const char *mdt_proc_names[LPROC_MDT_NR] = {
77 int mdt_procfs_init(struct mdt_device *mdt, const char *name)
79 struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev;
80 struct obd_device *obd = ld->ld_obd;
81 struct lprocfs_static_vars lvars;
85 LASSERT(name != NULL);
87 lprocfs_mdt_init_vars(&lvars);
88 rc = lprocfs_obd_setup(obd, lvars.obd_vars);
90 CERROR("Can't init lprocfs, rc %d\n", rc);
93 ptlrpc_lprocfs_register_obd(obd);
95 mdt->mdt_proc_entry = obd->obd_proc_entry;
96 LASSERT(mdt->mdt_proc_entry != NULL);
98 rc = lu_time_init(&mdt->mdt_stats, mdt->mdt_proc_entry,
99 mdt_proc_names, ARRAY_SIZE(mdt_proc_names));
101 rc = lu_time_named_init(&ld->ld_site->ls_time_stats,
102 "site_time", mdt->mdt_proc_entry,
104 ARRAY_SIZE(lu_time_names));
108 obd->obd_proc_exports_entry = proc_mkdir("exports",
109 obd->obd_proc_entry);
110 if (obd->obd_proc_exports_entry)
111 lprocfs_add_simple(obd->obd_proc_exports_entry,
112 "clear", lprocfs_nid_stats_clear_read,
113 lprocfs_nid_stats_clear_write, obd, NULL);
114 rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_LAST);
116 mdt_stats_counter_init(obd->md_stats);
121 int mdt_procfs_fini(struct mdt_device *mdt)
123 struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev;
124 struct obd_device *obd = ld->ld_obd;
126 if (mdt->mdt_proc_entry) {
127 lu_time_fini(&ld->ld_site->ls_time_stats);
128 lu_time_fini(&mdt->mdt_stats);
129 mdt->mdt_proc_entry = NULL;
131 if (obd->obd_proc_exports_entry) {
132 lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
133 obd->obd_proc_exports_entry = NULL;
135 ptlrpc_lprocfs_unregister_obd(obd);
136 lprocfs_free_md_stats(obd);
137 lprocfs_obd_cleanup(obd);
142 void mdt_time_start(const struct mdt_thread_info *info)
144 lu_lprocfs_time_start(info->mti_env);
147 void mdt_time_end(const struct mdt_thread_info *info, int idx)
149 lu_lprocfs_time_end(info->mti_env, info->mti_mdt->mdt_stats, idx);
152 static int lprocfs_rd_identity_expire(char *page, char **start, off_t off,
153 int count, int *eof, void *data)
155 struct obd_device *obd = data;
156 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
159 return snprintf(page, count, "%u\n",
160 mdt->mdt_identity_cache->uc_entry_expire);
163 static int lprocfs_wr_identity_expire(struct file *file, const char *buffer,
164 unsigned long count, void *data)
166 struct obd_device *obd = data;
167 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
170 rc = lprocfs_write_helper(buffer, count, &val);
174 mdt->mdt_identity_cache->uc_entry_expire = val;
178 static int lprocfs_rd_identity_acquire_expire(char *page, char **start,
179 off_t off, int count, int *eof,
182 struct obd_device *obd = data;
183 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
186 return snprintf(page, count, "%u\n",
187 mdt->mdt_identity_cache->uc_acquire_expire);
190 static int lprocfs_wr_identity_acquire_expire(struct file *file,
195 struct obd_device *obd = data;
196 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
199 rc = lprocfs_write_helper(buffer, count, &val);
203 mdt->mdt_identity_cache->uc_acquire_expire = val;
207 static int lprocfs_rd_identity_upcall(char *page, char **start, off_t off,
208 int count, int *eof, void *data)
210 struct obd_device *obd = data;
211 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
212 struct upcall_cache *hash = mdt->mdt_identity_cache;
216 cfs_read_lock(&hash->uc_upcall_rwlock);
217 len = snprintf(page, count, "%s\n", hash->uc_upcall);
218 cfs_read_unlock(&hash->uc_upcall_rwlock);
222 static int lprocfs_wr_identity_upcall(struct file *file, const char *buffer,
223 unsigned long count, void *data)
225 struct obd_device *obd = data;
226 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
227 struct upcall_cache *hash = mdt->mdt_identity_cache;
231 if (count >= UC_CACHE_UPCALL_MAXPATH) {
232 CERROR("%s: identity upcall too long\n", obd->obd_name);
235 OBD_ALLOC(kernbuf, count + 1);
237 GOTO(failed, rc = -ENOMEM);
238 if (cfs_copy_from_user(kernbuf, buffer, count))
239 GOTO(failed, rc = -EFAULT);
241 /* Remove any extraneous bits from the upcall (e.g. linefeeds) */
242 cfs_write_lock(&hash->uc_upcall_rwlock);
243 sscanf(kernbuf, "%s", hash->uc_upcall);
244 cfs_write_unlock(&hash->uc_upcall_rwlock);
246 if (strcmp(hash->uc_name, obd->obd_name) != 0)
247 CWARN("%s: write to upcall name %s\n",
248 obd->obd_name, hash->uc_upcall);
250 if (strcmp(hash->uc_upcall, "NONE") == 0 && mdt->mdt_opts.mo_acl)
251 CWARN("%s: disable \"identity_upcall\" with ACL enabled maybe "
252 "cause unexpected \"EACCESS\"\n", obd->obd_name);
254 CWARN("%s: identity upcall set to %s\n", obd->obd_name, hash->uc_upcall);
255 OBD_FREE(kernbuf, count + 1);
260 OBD_FREE(kernbuf, count + 1);
264 static int lprocfs_wr_identity_flush(struct file *file, const char *buffer,
265 unsigned long count, void *data)
267 struct obd_device *obd = data;
268 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
271 rc = lprocfs_write_helper(buffer, count, &uid);
275 mdt_flush_identity(mdt->mdt_identity_cache, uid);
279 static int lprocfs_wr_identity_info(struct file *file, const char *buffer,
280 unsigned long count, void *data)
282 struct obd_device *obd = data;
283 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
284 struct identity_downcall_data *param;
285 int size = sizeof(*param), rc, checked = 0;
289 CERROR("%s: invalid data count = %lu, size = %d\n",
290 obd->obd_name, count, size);
294 OBD_ALLOC(param, size);
298 if (cfs_copy_from_user(param, buffer, size)) {
299 CERROR("%s: bad identity data\n", obd->obd_name);
300 GOTO(out, rc = -EFAULT);
305 if (param->idd_magic != IDENTITY_DOWNCALL_MAGIC) {
306 CERROR("%s: MDS identity downcall bad params\n",
308 GOTO(out, rc = -EINVAL);
311 if (param->idd_nperms > N_PERMS_MAX) {
312 CERROR("%s: perm count %d more than maximum %d\n",
313 obd->obd_name, param->idd_nperms, N_PERMS_MAX);
314 GOTO(out, rc = -EINVAL);
317 if (param->idd_ngroups > NGROUPS_MAX) {
318 CERROR("%s: group count %d more than maximum %d\n",
319 obd->obd_name, param->idd_ngroups, NGROUPS_MAX);
320 GOTO(out, rc = -EINVAL);
323 if (param->idd_ngroups) {
324 rc = param->idd_ngroups; /* save idd_ngroups */
325 OBD_FREE(param, size);
326 size = offsetof(struct identity_downcall_data,
332 rc = upcall_cache_downcall(mdt->mdt_identity_cache, param->idd_err,
333 param->idd_uid, param);
337 OBD_FREE(param, size);
339 return rc ? rc : count;
343 static int lprocfs_rd_capa(char *page, char **start, off_t off,
344 int count, int *eof, void *data)
346 struct obd_device *obd = data;
347 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
349 return snprintf(page, count, "capability on: %s %s\n",
350 mdt->mdt_opts.mo_oss_capa ? "oss" : "",
351 mdt->mdt_opts.mo_mds_capa ? "mds" : "");
354 static int lprocfs_wr_capa(struct file *file, const char *buffer,
355 unsigned long count, void *data)
357 struct obd_device *obd = data;
358 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
361 rc = lprocfs_write_helper(buffer, count, &val);
365 if (val < 0 || val > 3) {
366 CERROR("invalid capability mode, only 0/2/3 is accepted.\n"
367 " 0: disable fid capability\n"
368 " 2: enable MDS fid capability\n"
369 " 3: enable both MDS and OSS fid capability\n");
373 /* OSS fid capability needs enable both MDS and OSS fid capability on
376 CERROR("can't enable OSS fid capability only, you should use "
377 "'3' to enable both MDS and OSS fid capability.\n");
381 mdt->mdt_opts.mo_oss_capa = (val & 0x1);
382 mdt->mdt_opts.mo_mds_capa = !!(val & 0x2);
383 mdt->mdt_capa_conf = 1;
384 LCONSOLE_INFO("MDS %s %s MDS fid capability.\n",
386 mdt->mdt_opts.mo_mds_capa ? "enabled" : "disabled");
387 LCONSOLE_INFO("MDS %s %s OSS fid capability.\n",
389 mdt->mdt_opts.mo_oss_capa ? "enabled" : "disabled");
393 static int lprocfs_rd_capa_count(char *page, char **start, off_t off,
394 int count, int *eof, void *data)
396 return snprintf(page, count, "%d %d\n",
397 capa_count[CAPA_SITE_CLIENT],
398 capa_count[CAPA_SITE_SERVER]);
401 static int lprocfs_rd_site_stats(char *page, char **start, off_t off,
402 int count, int *eof, void *data)
404 struct obd_device *obd = data;
405 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
407 return lu_site_stats_print(mdt_lu_site(mdt), page, count);
410 static int lprocfs_rd_capa_timeout(char *page, char **start, off_t off,
411 int count, int *eof, void *data)
413 struct obd_device *obd = data;
414 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
416 return snprintf(page, count, "%lu\n", mdt->mdt_capa_timeout);
419 static int lprocfs_wr_capa_timeout(struct file *file, const char *buffer,
420 unsigned long count, void *data)
422 struct obd_device *obd = data;
423 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
426 rc = lprocfs_write_helper(buffer, count, &val);
430 mdt->mdt_capa_timeout = (unsigned long)val;
431 mdt->mdt_capa_conf = 1;
435 static int lprocfs_rd_ck_timeout(char *page, char **start, off_t off, int count,
436 int *eof, void *data)
438 struct obd_device *obd = data;
439 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
441 return snprintf(page, count, "%lu\n", mdt->mdt_ck_timeout);
444 static int lprocfs_wr_ck_timeout(struct file *file, const char *buffer,
445 unsigned long count, void *data)
447 struct obd_device *obd = data;
448 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
451 rc = lprocfs_write_helper(buffer, count, &val);
455 mdt->mdt_ck_timeout = (unsigned long)val;
456 mdt->mdt_capa_conf = 1;
460 static int lprocfs_mdt_wr_evict_client(struct file *file, const char *buffer,
461 unsigned long count, void *data)
463 char tmpbuf[sizeof(struct obd_uuid)];
465 sscanf(buffer, "%40s", tmpbuf);
467 if (strncmp(tmpbuf, "nid:", 4) != 0)
468 return lprocfs_wr_evict_client(file, buffer, count, data);
470 CERROR("NOT implement evict client by nid %s\n", tmpbuf);
475 static int lprocfs_rd_sec_level(char *page, char **start, off_t off,
476 int count, int *eof, void *data)
478 struct obd_device *obd = data;
479 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
481 return snprintf(page, count, "%d\n", mdt->mdt_sec_level);
484 static int lprocfs_wr_sec_level(struct file *file, const char *buffer,
485 unsigned long count, void *data)
487 struct obd_device *obd = data;
488 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
491 rc = lprocfs_write_helper(buffer, count, &val);
495 if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
498 if (val == LUSTRE_SEC_SPECIFY) {
499 CWARN("security level %d will be supported in future.\n",
504 mdt->mdt_sec_level = val;
508 static int lprocfs_rd_cos(char *page, char **start, off_t off,
509 int count, int *eof, void *data)
511 struct obd_device *obd = data;
512 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
514 return snprintf(page, count, "%u\n", mdt_cos_is_enabled(mdt));
517 static int lprocfs_wr_cos(struct file *file, const char *buffer,
518 unsigned long count, void *data)
520 struct obd_device *obd = data;
521 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
524 rc = lprocfs_write_helper(buffer, count, &val);
527 mdt_enable_cos(mdt, val);
531 static int lprocfs_rd_root_squash(char *page, char **start, off_t off,
532 int count, int *eof, void *data)
534 struct obd_device *obd = data;
535 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
538 return snprintf(page, count, "%u:%u\n", mdt->mdt_squash_uid,
539 mdt->mdt_squash_gid);
542 static int safe_strtoul(const char *str, char **endp, unsigned long *res)
546 *res = simple_strtoul(str, endp, 0);
550 sprintf(n, "%lu", *res);
551 if (strncmp(n, str, *endp - str))
557 static int lprocfs_wr_root_squash(struct file *file, const char *buffer,
558 unsigned long count, void *data)
560 struct obd_device *obd = data;
561 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
563 char kernbuf[50], *tmp, *end, *errmsg;
564 unsigned long uid, gid;
568 if (count >= sizeof(kernbuf)) {
569 errmsg = "string too long";
570 GOTO(failed, rc = -EINVAL);
572 if (cfs_copy_from_user(kernbuf, buffer, count)) {
573 errmsg = "bad address";
574 GOTO(failed, rc = -EFAULT);
576 kernbuf[count] = '\0';
579 if (safe_strtoul(buffer, &tmp, &uid)) {
580 uid = mdt->mdt_squash_uid;
587 if (safe_strtoul(tmp, &end, &gid)) {
588 gid = mdt->mdt_squash_gid;
592 gid = mdt->mdt_squash_gid;
596 mdt->mdt_squash_uid = uid;
597 mdt->mdt_squash_gid = gid;
599 if (nouid && nogid) {
600 errmsg = "needs uid:gid format";
601 GOTO(failed, rc = -EINVAL);
604 LCONSOLE_INFO("%s: root_squash is set to %u:%u\n",
606 mdt->mdt_squash_uid, mdt->mdt_squash_gid);
610 CWARN("%s: failed to set root_squash to \"%s\", %s: rc %d\n",
611 obd->obd_name, buffer, errmsg, rc);
615 static int lprocfs_rd_nosquash_nids(char *page, char **start, off_t off,
616 int count, int *eof, void *data)
618 struct obd_device *obd = data;
619 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
621 if (mdt->mdt_nosquash_str)
622 return snprintf(page, count, "%s\n", mdt->mdt_nosquash_str);
623 return snprintf(page, count, "NONE\n");
626 static int lprocfs_wr_nosquash_nids(struct file *file, const char *buffer,
627 unsigned long count, void *data)
629 struct obd_device *obd = data;
630 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
632 char *kernbuf, *errmsg;
636 OBD_ALLOC(kernbuf, count + 1);
637 if (kernbuf == NULL) {
638 errmsg = "no memory";
639 GOTO(failed, rc = -ENOMEM);
641 if (cfs_copy_from_user(kernbuf, buffer, count)) {
642 errmsg = "bad address";
643 GOTO(failed, rc = -EFAULT);
645 kernbuf[count] = '\0';
647 if (!strcmp(kernbuf, "NONE") || !strcmp(kernbuf, "clear")) {
648 /* empty string is special case */
649 cfs_down_write(&mdt->mdt_squash_sem);
650 if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
651 cfs_free_nidlist(&mdt->mdt_nosquash_nids);
652 OBD_FREE(mdt->mdt_nosquash_str,
653 mdt->mdt_nosquash_strlen);
654 mdt->mdt_nosquash_str = NULL;
655 mdt->mdt_nosquash_strlen = 0;
657 cfs_up_write(&mdt->mdt_squash_sem);
658 LCONSOLE_INFO("%s: nosquash_nids is cleared\n",
660 OBD_FREE(kernbuf, count + 1);
664 CFS_INIT_LIST_HEAD(&tmp);
665 if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) {
666 errmsg = "can't parse";
667 GOTO(failed, rc = -EINVAL);
670 cfs_down_write(&mdt->mdt_squash_sem);
671 if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
672 cfs_free_nidlist(&mdt->mdt_nosquash_nids);
673 OBD_FREE(mdt->mdt_nosquash_str, mdt->mdt_nosquash_strlen);
675 mdt->mdt_nosquash_str = kernbuf;
676 mdt->mdt_nosquash_strlen = count + 1;
677 cfs_list_splice(&tmp, &mdt->mdt_nosquash_nids);
679 LCONSOLE_INFO("%s: nosquash_nids is set to %s\n",
680 obd->obd_name, kernbuf);
681 cfs_up_write(&mdt->mdt_squash_sem);
685 CWARN("%s: failed to set nosquash_nids to \"%s\", %s: rc %d\n",
686 obd->obd_name, kernbuf, errmsg, rc);
688 OBD_FREE(kernbuf, count + 1);
692 static int lprocfs_rd_mdt_som(char *page, char **start, off_t off,
693 int count, int *eof, void *data)
695 struct obd_device *obd = data;
696 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
698 return snprintf(page, count, "%sabled\n",
699 mdt->mdt_som_conf ? "en" : "dis");
702 static int lprocfs_wr_mdt_som(struct file *file, const char *buffer,
703 unsigned long count, void *data)
705 struct obd_export *exp;
706 struct obd_device *obd = data;
707 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
709 unsigned long val = 0;
711 if (count > (sizeof(kernbuf) - 1))
714 if (cfs_copy_from_user(kernbuf, buffer, count))
717 kernbuf[count] = '\0';
719 if (!strcmp(kernbuf, "enabled"))
721 else if (strcmp(kernbuf, "disabled"))
724 if (mdt->mdt_som_conf == val)
727 if (!obd->obd_process_conf) {
728 CERROR("Temporary SOM change is not supported, use lctl "
729 "conf_param for permanent setting\n");
733 /* 1 stands for self export. */
734 cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
735 if (exp == obd->obd_self_export)
737 if (exp->exp_connect_flags & OBD_CONNECT_MDS_MDS)
739 /* Some clients are already connected, skip the change */
740 LCONSOLE_INFO("%s is already connected, SOM will be %s on "
741 "the next mount\n", exp->exp_client_uuid.uuid,
742 val ? "enabled" : "disabled");
746 mdt->mdt_som_conf = val;
747 LCONSOLE_INFO("Enabling SOM\n");
752 /* Temporary; for testing purposes only */
753 static int lprocfs_mdt_wr_mdc(struct file *file, const char *buffer,
754 unsigned long count, void *data)
756 struct obd_device *obd = data;
757 struct obd_export *exp = NULL;
758 struct obd_uuid uuid;
759 char tmpbuf[sizeof(struct obd_uuid)];
761 sscanf(buffer, "%40s", tmpbuf);
763 obd_str2uuid(&uuid, tmpbuf);
764 exp = cfs_hash_lookup(obd->obd_uuid_hash, &uuid);
766 CERROR("%s: no export %s found\n",
767 obd->obd_name, obd_uuid2str(&uuid));
769 mdt_hsm_copytool_send(exp);
770 class_export_put(exp);
776 static struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
777 { "uuid", lprocfs_rd_uuid, 0, 0 },
778 { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
779 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
780 { "identity_expire", lprocfs_rd_identity_expire,
781 lprocfs_wr_identity_expire, 0 },
782 { "identity_acquire_expire", lprocfs_rd_identity_acquire_expire,
783 lprocfs_wr_identity_acquire_expire, 0 },
784 { "identity_upcall", lprocfs_rd_identity_upcall,
785 lprocfs_wr_identity_upcall, 0 },
786 { "identity_flush", 0, lprocfs_wr_identity_flush, 0 },
787 { "identity_info", 0, lprocfs_wr_identity_info, 0 },
788 { "capa", lprocfs_rd_capa,
789 lprocfs_wr_capa, 0 },
790 { "capa_timeout", lprocfs_rd_capa_timeout,
791 lprocfs_wr_capa_timeout, 0 },
792 { "capa_key_timeout", lprocfs_rd_ck_timeout,
793 lprocfs_wr_ck_timeout, 0 },
794 { "capa_count", lprocfs_rd_capa_count, 0, 0 },
795 { "site_stats", lprocfs_rd_site_stats, 0, 0 },
796 { "evict_client", 0, lprocfs_mdt_wr_evict_client, 0 },
797 { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
798 { "sec_level", lprocfs_rd_sec_level,
799 lprocfs_wr_sec_level, 0 },
800 { "commit_on_sharing", lprocfs_rd_cos, lprocfs_wr_cos, 0 },
801 { "root_squash", lprocfs_rd_root_squash,
802 lprocfs_wr_root_squash, 0 },
803 { "nosquash_nids", lprocfs_rd_nosquash_nids,
804 lprocfs_wr_nosquash_nids, 0 },
805 { "som", lprocfs_rd_mdt_som,
806 lprocfs_wr_mdt_som, 0 },
807 { "mdccomm", 0, lprocfs_mdt_wr_mdc, 0 },
811 static struct lprocfs_vars lprocfs_mdt_module_vars[] = {
812 { "num_refs", lprocfs_rd_numrefs, 0, 0 },
816 void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars)
818 lvars->module_vars = lprocfs_mdt_module_vars;
819 lvars->obd_vars = lprocfs_mdt_obd_vars;
822 void mdt_counter_incr(struct obd_export *exp, int opcode)
824 if (exp->exp_obd && exp->exp_obd->md_stats)
825 lprocfs_counter_incr(exp->exp_obd->md_stats, opcode);
826 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
827 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
831 void mdt_stats_counter_init(struct lprocfs_stats *stats)
833 lprocfs_counter_init(stats, LPROC_MDT_OPEN, 0, "open", "reqs");
834 lprocfs_counter_init(stats, LPROC_MDT_CLOSE, 0, "close", "reqs");
835 lprocfs_counter_init(stats, LPROC_MDT_MKNOD, 0, "mknod", "reqs");
836 lprocfs_counter_init(stats, LPROC_MDT_LINK, 0, "link", "reqs");
837 lprocfs_counter_init(stats, LPROC_MDT_UNLINK, 0, "unlink", "reqs");
838 lprocfs_counter_init(stats, LPROC_MDT_MKDIR, 0, "mkdir", "reqs");
839 lprocfs_counter_init(stats, LPROC_MDT_RMDIR, 0, "rmdir", "reqs");
840 lprocfs_counter_init(stats, LPROC_MDT_RENAME, 0, "rename", "reqs");
841 lprocfs_counter_init(stats, LPROC_MDT_GETATTR, 0, "getattr", "reqs");
842 lprocfs_counter_init(stats, LPROC_MDT_SETATTR, 0, "setattr", "reqs");
843 lprocfs_counter_init(stats, LPROC_MDT_GETXATTR, 0, "getxattr", "reqs");
844 lprocfs_counter_init(stats, LPROC_MDT_SETXATTR, 0, "setxattr", "reqs");
845 lprocfs_counter_init(stats, LPROC_MDT_STATFS, 0, "statfs", "reqs");
846 lprocfs_counter_init(stats, LPROC_MDT_SYNC, 0, "sync", "reqs");