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, "%lu\n",
160 mdt->mdt_identity_cache->uc_entry_expire / CFS_HZ);
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 * CFS_HZ;
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, "%lu\n",
187 mdt->mdt_identity_cache->uc_acquire_expire / CFS_HZ);
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 * CFS_HZ;
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;
228 char kernbuf[UC_CACHE_UPCALL_MAXPATH] = { '\0' };
230 if (count >= UC_CACHE_UPCALL_MAXPATH) {
231 CERROR("%s: identity upcall too long\n", obd->obd_name);
235 if (cfs_copy_from_user(kernbuf, buffer,
236 min_t(unsigned long, count,
237 UC_CACHE_UPCALL_MAXPATH - 1)))
240 /* Remove any extraneous bits from the upcall (e.g. linefeeds) */
241 cfs_write_lock(&hash->uc_upcall_rwlock);
242 sscanf(kernbuf, "%s", hash->uc_upcall);
243 cfs_write_unlock(&hash->uc_upcall_rwlock);
245 if (strcmp(hash->uc_name, obd->obd_name) != 0)
246 CWARN("%s: write to upcall name %s\n",
247 obd->obd_name, hash->uc_upcall);
249 if (strcmp(hash->uc_upcall, "NONE") == 0 && mdt->mdt_opts.mo_acl)
250 CWARN("%s: disable \"identity_upcall\" with ACL enabled maybe "
251 "cause unexpected \"EACCESS\"\n", obd->obd_name);
253 CWARN("%s: identity upcall set to %s\n", obd->obd_name, hash->uc_upcall);
257 static int lprocfs_wr_identity_flush(struct file *file, const char *buffer,
258 unsigned long count, void *data)
260 struct obd_device *obd = data;
261 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
264 rc = lprocfs_write_helper(buffer, count, &uid);
268 mdt_flush_identity(mdt->mdt_identity_cache, uid);
272 static int lprocfs_wr_identity_info(struct file *file, const char *buffer,
273 unsigned long count, void *data)
275 struct obd_device *obd = data;
276 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
277 struct identity_downcall_data sparam, *param = &sparam;
278 int size = 0, rc = 0;
280 if (count < sizeof(*param)) {
281 CERROR("%s: invalid data size %lu\n", obd->obd_name, count);
285 if (cfs_copy_from_user(&sparam, buffer, sizeof(sparam))) {
286 CERROR("%s: bad identity data\n", obd->obd_name);
287 GOTO(out, rc = -EFAULT);
290 if (sparam.idd_magic != IDENTITY_DOWNCALL_MAGIC) {
291 CERROR("%s: MDS identity downcall bad params\n", obd->obd_name);
292 GOTO(out, rc = -EINVAL);
295 if (sparam.idd_nperms > N_PERMS_MAX) {
296 CERROR("%s: perm count %d more than maximum %d\n",
297 obd->obd_name, sparam.idd_nperms, N_PERMS_MAX);
298 GOTO(out, rc = -EINVAL);
301 if (sparam.idd_ngroups > NGROUPS_MAX) {
302 CERROR("%s: group count %d more than maximum %d\n",
303 obd->obd_name, sparam.idd_ngroups, NGROUPS_MAX);
304 GOTO(out, rc = -EINVAL);
307 if (sparam.idd_ngroups) {
308 size = offsetof(struct identity_downcall_data,
309 idd_groups[sparam.idd_ngroups]);
310 OBD_ALLOC(param, size);
312 CERROR("%s: fail to alloc %d bytes for uid %u"
313 " with %d groups\n", obd->obd_name, size,
314 sparam.idd_uid, sparam.idd_ngroups);
316 param->idd_ngroups = 0;
317 } else if (cfs_copy_from_user(param, buffer, size)) {
318 CERROR("%s: uid %u bad supplementary group data\n",
319 obd->obd_name, sparam.idd_uid);
320 OBD_FREE(param, size);
322 param->idd_ngroups = 0;
326 rc = upcall_cache_downcall(mdt->mdt_identity_cache, param->idd_err,
327 param->idd_uid, param);
330 if (param && (param != &sparam))
331 OBD_FREE(param, size);
337 static int lprocfs_rd_capa(char *page, char **start, off_t off,
338 int count, int *eof, void *data)
340 struct obd_device *obd = data;
341 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
343 return snprintf(page, count, "capability on: %s %s\n",
344 mdt->mdt_opts.mo_oss_capa ? "oss" : "",
345 mdt->mdt_opts.mo_mds_capa ? "mds" : "");
348 static int lprocfs_wr_capa(struct file *file, const char *buffer,
349 unsigned long count, void *data)
351 struct obd_device *obd = data;
352 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
355 rc = lprocfs_write_helper(buffer, count, &val);
359 if (val < 0 || val > 3) {
360 CERROR("invalid capability mode, only 0/2/3 is accepted.\n"
361 " 0: disable fid capability\n"
362 " 2: enable MDS fid capability\n"
363 " 3: enable both MDS and OSS fid capability\n");
367 /* OSS fid capability needs enable both MDS and OSS fid capability on
370 CERROR("can't enable OSS fid capability only, you should use "
371 "'3' to enable both MDS and OSS fid capability.\n");
375 mdt->mdt_opts.mo_oss_capa = (val & 0x1);
376 mdt->mdt_opts.mo_mds_capa = !!(val & 0x2);
377 mdt->mdt_capa_conf = 1;
378 LCONSOLE_INFO("MDS %s %s MDS fid capability.\n",
380 mdt->mdt_opts.mo_mds_capa ? "enabled" : "disabled");
381 LCONSOLE_INFO("MDS %s %s OSS fid capability.\n",
383 mdt->mdt_opts.mo_oss_capa ? "enabled" : "disabled");
387 static int lprocfs_rd_capa_count(char *page, char **start, off_t off,
388 int count, int *eof, void *data)
390 return snprintf(page, count, "%d %d\n",
391 capa_count[CAPA_SITE_CLIENT],
392 capa_count[CAPA_SITE_SERVER]);
395 static int lprocfs_rd_site_stats(char *page, char **start, off_t off,
396 int count, int *eof, void *data)
398 struct obd_device *obd = data;
399 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
401 return lu_site_stats_print(mdt_lu_site(mdt), page, count);
404 static int lprocfs_rd_capa_timeout(char *page, char **start, off_t off,
405 int count, int *eof, void *data)
407 struct obd_device *obd = data;
408 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
410 return snprintf(page, count, "%lu\n", mdt->mdt_capa_timeout);
413 static int lprocfs_wr_capa_timeout(struct file *file, const char *buffer,
414 unsigned long count, void *data)
416 struct obd_device *obd = data;
417 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
420 rc = lprocfs_write_helper(buffer, count, &val);
424 mdt->mdt_capa_timeout = (unsigned long)val;
425 mdt->mdt_capa_conf = 1;
429 static int lprocfs_rd_ck_timeout(char *page, char **start, off_t off, int count,
430 int *eof, void *data)
432 struct obd_device *obd = data;
433 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
435 return snprintf(page, count, "%lu\n", mdt->mdt_ck_timeout);
438 static int lprocfs_wr_ck_timeout(struct file *file, const char *buffer,
439 unsigned long count, void *data)
441 struct obd_device *obd = data;
442 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
445 rc = lprocfs_write_helper(buffer, count, &val);
449 mdt->mdt_ck_timeout = (unsigned long)val;
450 mdt->mdt_capa_conf = 1;
454 static int lprocfs_mdt_wr_evict_client(struct file *file, const char *buffer,
455 unsigned long count, void *data)
457 char tmpbuf[sizeof(struct obd_uuid)];
459 sscanf(buffer, "%40s", tmpbuf);
461 if (strncmp(tmpbuf, "nid:", 4) != 0)
462 return lprocfs_wr_evict_client(file, buffer, count, data);
464 CERROR("NOT implement evict client by nid %s\n", tmpbuf);
469 static int lprocfs_rd_sec_level(char *page, char **start, off_t off,
470 int count, int *eof, void *data)
472 struct obd_device *obd = data;
473 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
475 return snprintf(page, count, "%d\n", mdt->mdt_sec_level);
478 static int lprocfs_wr_sec_level(struct file *file, const char *buffer,
479 unsigned long count, void *data)
481 struct obd_device *obd = data;
482 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
485 rc = lprocfs_write_helper(buffer, count, &val);
489 if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
492 if (val == LUSTRE_SEC_SPECIFY) {
493 CWARN("security level %d will be supported in future.\n",
498 mdt->mdt_sec_level = val;
502 static int lprocfs_rd_cos(char *page, char **start, off_t off,
503 int count, int *eof, void *data)
505 struct obd_device *obd = data;
506 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
508 return snprintf(page, count, "%u\n", mdt_cos_is_enabled(mdt));
511 static int lprocfs_wr_cos(struct file *file, const char *buffer,
512 unsigned long count, void *data)
514 struct obd_device *obd = data;
515 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
518 rc = lprocfs_write_helper(buffer, count, &val);
521 mdt_enable_cos(mdt, val);
525 static int lprocfs_rd_root_squash(char *page, char **start, off_t off,
526 int count, int *eof, void *data)
528 struct obd_device *obd = data;
529 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
532 return snprintf(page, count, "%u:%u\n", mdt->mdt_squash_uid,
533 mdt->mdt_squash_gid);
536 static int safe_strtoul(const char *str, char **endp, unsigned long *res)
540 *res = simple_strtoul(str, endp, 0);
544 sprintf(n, "%lu", *res);
545 if (strncmp(n, str, *endp - str))
551 static int lprocfs_wr_root_squash(struct file *file, const char *buffer,
552 unsigned long count, void *data)
554 struct obd_device *obd = data;
555 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
557 char kernbuf[50], *tmp, *end, *errmsg;
558 unsigned long uid, gid;
562 if (count >= sizeof(kernbuf)) {
563 errmsg = "string too long";
564 GOTO(failed, rc = -EINVAL);
566 if (cfs_copy_from_user(kernbuf, buffer, count)) {
567 errmsg = "bad address";
568 GOTO(failed, rc = -EFAULT);
570 kernbuf[count] = '\0';
573 if (safe_strtoul(buffer, &tmp, &uid)) {
574 uid = mdt->mdt_squash_uid;
581 if (safe_strtoul(tmp, &end, &gid)) {
582 gid = mdt->mdt_squash_gid;
586 gid = mdt->mdt_squash_gid;
590 mdt->mdt_squash_uid = uid;
591 mdt->mdt_squash_gid = gid;
593 if (nouid && nogid) {
594 errmsg = "needs uid:gid format";
595 GOTO(failed, rc = -EINVAL);
598 LCONSOLE_INFO("%s: root_squash is set to %u:%u\n",
600 mdt->mdt_squash_uid, mdt->mdt_squash_gid);
604 CWARN("%s: failed to set root_squash to \"%s\", %s: rc %d\n",
605 obd->obd_name, buffer, errmsg, rc);
609 static int lprocfs_rd_nosquash_nids(char *page, char **start, off_t off,
610 int count, int *eof, void *data)
612 struct obd_device *obd = data;
613 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
615 if (mdt->mdt_nosquash_str)
616 return snprintf(page, count, "%s\n", mdt->mdt_nosquash_str);
617 return snprintf(page, count, "NONE\n");
620 static int lprocfs_wr_nosquash_nids(struct file *file, const char *buffer,
621 unsigned long count, void *data)
623 struct obd_device *obd = data;
624 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
626 char *kernbuf, *errmsg;
630 OBD_ALLOC(kernbuf, count + 1);
631 if (kernbuf == NULL) {
632 errmsg = "no memory";
633 GOTO(failed, rc = -ENOMEM);
635 if (cfs_copy_from_user(kernbuf, buffer, count)) {
636 errmsg = "bad address";
637 GOTO(failed, rc = -EFAULT);
639 kernbuf[count] = '\0';
641 if (!strcmp(kernbuf, "NONE") || !strcmp(kernbuf, "clear")) {
642 /* empty string is special case */
643 cfs_down_write(&mdt->mdt_squash_sem);
644 if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
645 cfs_free_nidlist(&mdt->mdt_nosquash_nids);
646 OBD_FREE(mdt->mdt_nosquash_str,
647 mdt->mdt_nosquash_strlen);
648 mdt->mdt_nosquash_str = NULL;
649 mdt->mdt_nosquash_strlen = 0;
651 cfs_up_write(&mdt->mdt_squash_sem);
652 LCONSOLE_INFO("%s: nosquash_nids is cleared\n",
654 OBD_FREE(kernbuf, count + 1);
658 CFS_INIT_LIST_HEAD(&tmp);
659 if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) {
660 errmsg = "can't parse";
661 GOTO(failed, rc = -EINVAL);
664 cfs_down_write(&mdt->mdt_squash_sem);
665 if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
666 cfs_free_nidlist(&mdt->mdt_nosquash_nids);
667 OBD_FREE(mdt->mdt_nosquash_str, mdt->mdt_nosquash_strlen);
669 mdt->mdt_nosquash_str = kernbuf;
670 mdt->mdt_nosquash_strlen = count + 1;
671 cfs_list_splice(&tmp, &mdt->mdt_nosquash_nids);
673 LCONSOLE_INFO("%s: nosquash_nids is set to %s\n",
674 obd->obd_name, kernbuf);
675 cfs_up_write(&mdt->mdt_squash_sem);
679 CWARN("%s: failed to set nosquash_nids to \"%s\", %s: rc %d\n",
680 obd->obd_name, kernbuf, errmsg, rc);
682 OBD_FREE(kernbuf, count + 1);
686 static int lprocfs_rd_mdt_som(char *page, char **start, off_t off,
687 int count, int *eof, void *data)
689 struct obd_device *obd = data;
690 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
692 return snprintf(page, count, "%sabled\n",
693 mdt->mdt_som_conf ? "en" : "dis");
696 static int lprocfs_wr_mdt_som(struct file *file, const char *buffer,
697 unsigned long count, void *data)
699 struct obd_export *exp;
700 struct obd_device *obd = data;
701 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
703 unsigned long val = 0;
705 if (count > (sizeof(kernbuf) - 1))
708 if (cfs_copy_from_user(kernbuf, buffer, count))
711 kernbuf[count] = '\0';
713 if (!strcmp(kernbuf, "enabled"))
715 else if (strcmp(kernbuf, "disabled"))
718 if (mdt->mdt_som_conf == val)
721 if (!obd->obd_process_conf) {
722 CERROR("Temporary SOM change is not supported, use lctl "
723 "conf_param for permanent setting\n");
727 /* 1 stands for self export. */
728 cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
729 if (exp == obd->obd_self_export)
731 if (exp->exp_connect_flags & OBD_CONNECT_MDS_MDS)
733 /* Some clients are already connected, skip the change */
734 LCONSOLE_INFO("%s is already connected, SOM will be %s on "
735 "the next mount\n", exp->exp_client_uuid.uuid,
736 val ? "enabled" : "disabled");
740 mdt->mdt_som_conf = val;
741 LCONSOLE_INFO("Enabling SOM\n");
746 /* Temporary; for testing purposes only */
747 static int lprocfs_mdt_wr_mdc(struct file *file, const char *buffer,
748 unsigned long count, void *data)
750 struct obd_device *obd = data;
751 struct obd_export *exp = NULL;
752 struct obd_uuid uuid;
753 char tmpbuf[sizeof(struct obd_uuid)];
755 sscanf(buffer, "%40s", tmpbuf);
757 obd_str2uuid(&uuid, tmpbuf);
758 exp = cfs_hash_lookup(obd->obd_uuid_hash, &uuid);
760 CERROR("%s: no export %s found\n",
761 obd->obd_name, obd_uuid2str(&uuid));
763 mdt_hsm_copytool_send(exp);
764 class_export_put(exp);
770 static struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
771 { "uuid", lprocfs_rd_uuid, 0, 0 },
772 { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
773 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
774 { "identity_expire", lprocfs_rd_identity_expire,
775 lprocfs_wr_identity_expire, 0 },
776 { "identity_acquire_expire", lprocfs_rd_identity_acquire_expire,
777 lprocfs_wr_identity_acquire_expire, 0 },
778 { "identity_upcall", lprocfs_rd_identity_upcall,
779 lprocfs_wr_identity_upcall, 0 },
780 { "identity_flush", 0, lprocfs_wr_identity_flush, 0 },
781 { "identity_info", 0, lprocfs_wr_identity_info, 0 },
782 { "capa", lprocfs_rd_capa,
783 lprocfs_wr_capa, 0 },
784 { "capa_timeout", lprocfs_rd_capa_timeout,
785 lprocfs_wr_capa_timeout, 0 },
786 { "capa_key_timeout", lprocfs_rd_ck_timeout,
787 lprocfs_wr_ck_timeout, 0 },
788 { "capa_count", lprocfs_rd_capa_count, 0, 0 },
789 { "site_stats", lprocfs_rd_site_stats, 0, 0 },
790 { "evict_client", 0, lprocfs_mdt_wr_evict_client, 0 },
791 { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
792 { "sec_level", lprocfs_rd_sec_level,
793 lprocfs_wr_sec_level, 0 },
794 { "commit_on_sharing", lprocfs_rd_cos, lprocfs_wr_cos, 0 },
795 { "root_squash", lprocfs_rd_root_squash,
796 lprocfs_wr_root_squash, 0 },
797 { "nosquash_nids", lprocfs_rd_nosquash_nids,
798 lprocfs_wr_nosquash_nids, 0 },
799 { "som", lprocfs_rd_mdt_som,
800 lprocfs_wr_mdt_som, 0 },
801 { "mdccomm", 0, lprocfs_mdt_wr_mdc, 0 },
805 static struct lprocfs_vars lprocfs_mdt_module_vars[] = {
806 { "num_refs", lprocfs_rd_numrefs, 0, 0 },
810 void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars)
812 lvars->module_vars = lprocfs_mdt_module_vars;
813 lvars->obd_vars = lprocfs_mdt_obd_vars;
816 void mdt_counter_incr(struct obd_export *exp, int opcode)
818 if (exp->exp_obd && exp->exp_obd->md_stats)
819 lprocfs_counter_incr(exp->exp_obd->md_stats, opcode);
820 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
821 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
825 void mdt_stats_counter_init(struct lprocfs_stats *stats)
827 lprocfs_counter_init(stats, LPROC_MDT_OPEN, 0, "open", "reqs");
828 lprocfs_counter_init(stats, LPROC_MDT_CLOSE, 0, "close", "reqs");
829 lprocfs_counter_init(stats, LPROC_MDT_MKNOD, 0, "mknod", "reqs");
830 lprocfs_counter_init(stats, LPROC_MDT_LINK, 0, "link", "reqs");
831 lprocfs_counter_init(stats, LPROC_MDT_UNLINK, 0, "unlink", "reqs");
832 lprocfs_counter_init(stats, LPROC_MDT_MKDIR, 0, "mkdir", "reqs");
833 lprocfs_counter_init(stats, LPROC_MDT_RMDIR, 0, "rmdir", "reqs");
834 lprocfs_counter_init(stats, LPROC_MDT_RENAME, 0, "rename", "reqs");
835 lprocfs_counter_init(stats, LPROC_MDT_GETXATTR, 0, "getxattr", "reqs");
836 lprocfs_counter_init(stats, LPROC_MDT_SETXATTR, 0, "setxattr", "reqs");