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);
119 int mdt_procfs_fini(struct mdt_device *mdt)
121 struct lu_device *ld = &mdt->mdt_md_dev.md_lu_dev;
122 struct obd_device *obd = ld->ld_obd;
124 if (mdt->mdt_proc_entry) {
125 lu_time_fini(&ld->ld_site->ls_time_stats);
126 lu_time_fini(&mdt->mdt_stats);
127 mdt->mdt_proc_entry = NULL;
129 if (obd->obd_proc_exports_entry) {
130 lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
131 obd->obd_proc_exports_entry = NULL;
133 ptlrpc_lprocfs_unregister_obd(obd);
134 lprocfs_free_md_stats(obd);
135 lprocfs_obd_cleanup(obd);
140 void mdt_time_start(const struct mdt_thread_info *info)
142 lu_lprocfs_time_start(info->mti_env);
145 void mdt_time_end(const struct mdt_thread_info *info, int idx)
147 lu_lprocfs_time_end(info->mti_env, info->mti_mdt->mdt_stats, idx);
150 static int lprocfs_rd_identity_expire(char *page, char **start, off_t off,
151 int count, int *eof, void *data)
153 struct obd_device *obd = data;
154 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
157 return snprintf(page, count, "%lu\n",
158 mdt->mdt_identity_cache->uc_entry_expire / CFS_HZ);
161 static int lprocfs_wr_identity_expire(struct file *file, const char *buffer,
162 unsigned long count, void *data)
164 struct obd_device *obd = data;
165 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
168 rc = lprocfs_write_helper(buffer, count, &val);
172 mdt->mdt_identity_cache->uc_entry_expire = val * CFS_HZ;
176 static int lprocfs_rd_identity_acquire_expire(char *page, char **start,
177 off_t off, int count, int *eof,
180 struct obd_device *obd = data;
181 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
184 return snprintf(page, count, "%lu\n",
185 mdt->mdt_identity_cache->uc_acquire_expire / CFS_HZ);
188 static int lprocfs_wr_identity_acquire_expire(struct file *file,
193 struct obd_device *obd = data;
194 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
197 rc = lprocfs_write_helper(buffer, count, &val);
201 mdt->mdt_identity_cache->uc_acquire_expire = val * CFS_HZ;
205 static int lprocfs_rd_identity_upcall(char *page, char **start, off_t off,
206 int count, int *eof, void *data)
208 struct obd_device *obd = data;
209 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
210 struct upcall_cache *hash = mdt->mdt_identity_cache;
214 cfs_read_lock(&hash->uc_upcall_rwlock);
215 len = snprintf(page, count, "%s\n", hash->uc_upcall);
216 cfs_read_unlock(&hash->uc_upcall_rwlock);
220 static int lprocfs_wr_identity_upcall(struct file *file, const char *buffer,
221 unsigned long count, void *data)
223 struct obd_device *obd = data;
224 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
225 struct upcall_cache *hash = mdt->mdt_identity_cache;
226 char kernbuf[UC_CACHE_UPCALL_MAXPATH] = { '\0' };
228 if (count >= UC_CACHE_UPCALL_MAXPATH) {
229 CERROR("%s: identity upcall too long\n", obd->obd_name);
233 if (cfs_copy_from_user(kernbuf, buffer,
234 min_t(unsigned long, count,
235 UC_CACHE_UPCALL_MAXPATH - 1)))
238 /* Remove any extraneous bits from the upcall (e.g. linefeeds) */
239 cfs_write_lock(&hash->uc_upcall_rwlock);
240 sscanf(kernbuf, "%s", hash->uc_upcall);
241 cfs_write_unlock(&hash->uc_upcall_rwlock);
243 if (strcmp(hash->uc_name, obd->obd_name) != 0)
244 CWARN("%s: write to upcall name %s\n",
245 obd->obd_name, hash->uc_upcall);
247 if (strcmp(hash->uc_upcall, "NONE") == 0 && mdt->mdt_opts.mo_acl)
248 CWARN("%s: disable \"identity_upcall\" with ACL enabled maybe "
249 "cause unexpected \"EACCESS\"\n", obd->obd_name);
251 CWARN("%s: identity upcall set to %s\n", obd->obd_name, hash->uc_upcall);
255 static int lprocfs_wr_identity_flush(struct file *file, const char *buffer,
256 unsigned long count, void *data)
258 struct obd_device *obd = data;
259 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
262 rc = lprocfs_write_helper(buffer, count, &uid);
266 mdt_flush_identity(mdt->mdt_identity_cache, uid);
270 static int lprocfs_wr_identity_info(struct file *file, const char *buffer,
271 unsigned long count, void *data)
273 struct obd_device *obd = data;
274 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
275 struct identity_downcall_data sparam, *param = &sparam;
276 int size = 0, rc = 0;
278 if (count < sizeof(*param)) {
279 CERROR("%s: invalid data size %lu\n", obd->obd_name, count);
283 if (cfs_copy_from_user(&sparam, buffer, sizeof(sparam))) {
284 CERROR("%s: bad identity data\n", obd->obd_name);
285 GOTO(out, rc = -EFAULT);
288 if (sparam.idd_magic != IDENTITY_DOWNCALL_MAGIC) {
289 CERROR("%s: MDS identity downcall bad params\n", obd->obd_name);
290 GOTO(out, rc = -EINVAL);
293 if (sparam.idd_nperms > N_PERMS_MAX) {
294 CERROR("%s: perm count %d more than maximum %d\n",
295 obd->obd_name, sparam.idd_nperms, N_PERMS_MAX);
296 GOTO(out, rc = -EINVAL);
299 if (sparam.idd_ngroups > NGROUPS_MAX) {
300 CERROR("%s: group count %d more than maximum %d\n",
301 obd->obd_name, sparam.idd_ngroups, NGROUPS_MAX);
302 GOTO(out, rc = -EINVAL);
305 if (sparam.idd_ngroups) {
306 size = offsetof(struct identity_downcall_data,
307 idd_groups[sparam.idd_ngroups]);
308 OBD_ALLOC(param, size);
310 CERROR("%s: fail to alloc %d bytes for uid %u"
311 " with %d groups\n", obd->obd_name, size,
312 sparam.idd_uid, sparam.idd_ngroups);
314 param->idd_ngroups = 0;
315 } else if (cfs_copy_from_user(param, buffer, size)) {
316 CERROR("%s: uid %u bad supplementary group data\n",
317 obd->obd_name, sparam.idd_uid);
318 OBD_FREE(param, size);
320 param->idd_ngroups = 0;
324 rc = upcall_cache_downcall(mdt->mdt_identity_cache, param->idd_err,
325 param->idd_uid, param);
328 if (param && (param != &sparam))
329 OBD_FREE(param, size);
335 static int lprocfs_rd_capa(char *page, char **start, off_t off,
336 int count, int *eof, void *data)
338 struct obd_device *obd = data;
339 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
341 return snprintf(page, count, "capability on: %s %s\n",
342 mdt->mdt_opts.mo_oss_capa ? "oss" : "",
343 mdt->mdt_opts.mo_mds_capa ? "mds" : "");
346 static int lprocfs_wr_capa(struct file *file, const char *buffer,
347 unsigned long count, void *data)
349 struct obd_device *obd = data;
350 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
353 rc = lprocfs_write_helper(buffer, count, &val);
357 if (val < 0 || val > 3) {
358 CERROR("invalid capability mode, only 0/2/3 is accepted.\n"
359 " 0: disable fid capability\n"
360 " 2: enable MDS fid capability\n"
361 " 3: enable both MDS and OSS fid capability\n");
365 /* OSS fid capability needs enable both MDS and OSS fid capability on
368 CERROR("can't enable OSS fid capability only, you should use "
369 "'3' to enable both MDS and OSS fid capability.\n");
373 mdt->mdt_opts.mo_oss_capa = (val & 0x1);
374 mdt->mdt_opts.mo_mds_capa = !!(val & 0x2);
375 mdt->mdt_capa_conf = 1;
376 LCONSOLE_INFO("MDS %s %s MDS fid capability.\n",
378 mdt->mdt_opts.mo_mds_capa ? "enabled" : "disabled");
379 LCONSOLE_INFO("MDS %s %s OSS fid capability.\n",
381 mdt->mdt_opts.mo_oss_capa ? "enabled" : "disabled");
385 static int lprocfs_rd_capa_count(char *page, char **start, off_t off,
386 int count, int *eof, void *data)
388 return snprintf(page, count, "%d %d\n",
389 capa_count[CAPA_SITE_CLIENT],
390 capa_count[CAPA_SITE_SERVER]);
393 static int lprocfs_rd_site_stats(char *page, char **start, off_t off,
394 int count, int *eof, void *data)
396 struct obd_device *obd = data;
397 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
399 return lu_site_stats_print(mdt_lu_site(mdt), page, count);
402 static int lprocfs_rd_capa_timeout(char *page, char **start, off_t off,
403 int count, int *eof, void *data)
405 struct obd_device *obd = data;
406 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
408 return snprintf(page, count, "%lu\n", mdt->mdt_capa_timeout);
411 static int lprocfs_wr_capa_timeout(struct file *file, const char *buffer,
412 unsigned long count, void *data)
414 struct obd_device *obd = data;
415 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
418 rc = lprocfs_write_helper(buffer, count, &val);
422 mdt->mdt_capa_timeout = (unsigned long)val;
423 mdt->mdt_capa_conf = 1;
427 static int lprocfs_rd_ck_timeout(char *page, char **start, off_t off, int count,
428 int *eof, void *data)
430 struct obd_device *obd = data;
431 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
433 return snprintf(page, count, "%lu\n", mdt->mdt_ck_timeout);
436 static int lprocfs_wr_ck_timeout(struct file *file, const char *buffer,
437 unsigned long count, void *data)
439 struct obd_device *obd = data;
440 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
443 rc = lprocfs_write_helper(buffer, count, &val);
447 mdt->mdt_ck_timeout = (unsigned long)val;
448 mdt->mdt_capa_conf = 1;
452 static int lprocfs_mdt_wr_evict_client(struct file *file, const char *buffer,
453 unsigned long count, void *data)
455 char tmpbuf[sizeof(struct obd_uuid)];
457 sscanf(buffer, "%40s", tmpbuf);
459 if (strncmp(tmpbuf, "nid:", 4) != 0)
460 return lprocfs_wr_evict_client(file, buffer, count, data);
462 CERROR("NOT implement evict client by nid %s\n", tmpbuf);
467 static int lprocfs_rd_sec_level(char *page, char **start, off_t off,
468 int count, int *eof, void *data)
470 struct obd_device *obd = data;
471 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
473 return snprintf(page, count, "%d\n", mdt->mdt_sec_level);
476 static int lprocfs_wr_sec_level(struct file *file, const char *buffer,
477 unsigned long count, void *data)
479 struct obd_device *obd = data;
480 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
483 rc = lprocfs_write_helper(buffer, count, &val);
487 if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
490 if (val == LUSTRE_SEC_SPECIFY) {
491 CWARN("security level %d will be supported in future.\n",
496 mdt->mdt_sec_level = val;
500 static int lprocfs_rd_cos(char *page, char **start, off_t off,
501 int count, int *eof, void *data)
503 struct obd_device *obd = data;
504 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
506 return snprintf(page, count, "%u\n", mdt_cos_is_enabled(mdt));
509 static int lprocfs_wr_cos(struct file *file, const char *buffer,
510 unsigned long count, void *data)
512 struct obd_device *obd = data;
513 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
516 rc = lprocfs_write_helper(buffer, count, &val);
519 mdt_enable_cos(mdt, val);
523 static int lprocfs_rd_root_squash(char *page, char **start, off_t off,
524 int count, int *eof, void *data)
526 struct obd_device *obd = data;
527 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
530 return snprintf(page, count, "%u:%u\n", mdt->mdt_squash_uid,
531 mdt->mdt_squash_gid);
534 static int safe_strtoul(const char *str, char **endp, unsigned long *res)
538 *res = simple_strtoul(str, endp, 0);
542 sprintf(n, "%lu", *res);
543 if (strncmp(n, str, *endp - str))
549 static int lprocfs_wr_root_squash(struct file *file, const char *buffer,
550 unsigned long count, void *data)
552 struct obd_device *obd = data;
553 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
555 char kernbuf[50], *tmp, *end, *errmsg;
556 unsigned long uid, gid;
560 if (count >= sizeof(kernbuf)) {
561 errmsg = "string too long";
562 GOTO(failed, rc = -EINVAL);
564 if (cfs_copy_from_user(kernbuf, buffer, count)) {
565 errmsg = "bad address";
566 GOTO(failed, rc = -EFAULT);
568 kernbuf[count] = '\0';
571 if (safe_strtoul(buffer, &tmp, &uid)) {
572 uid = mdt->mdt_squash_uid;
579 if (safe_strtoul(tmp, &end, &gid)) {
580 gid = mdt->mdt_squash_gid;
584 gid = mdt->mdt_squash_gid;
588 mdt->mdt_squash_uid = uid;
589 mdt->mdt_squash_gid = gid;
591 if (nouid && nogid) {
592 errmsg = "needs uid:gid format";
593 GOTO(failed, rc = -EINVAL);
596 LCONSOLE_INFO("%s: root_squash is set to %u:%u\n",
598 mdt->mdt_squash_uid, mdt->mdt_squash_gid);
602 CWARN("%s: failed to set root_squash to \"%s\", %s: rc %d\n",
603 obd->obd_name, buffer, errmsg, rc);
607 static int lprocfs_rd_nosquash_nids(char *page, char **start, off_t off,
608 int count, int *eof, void *data)
610 struct obd_device *obd = data;
611 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
613 if (mdt->mdt_nosquash_str)
614 return snprintf(page, count, "%s\n", mdt->mdt_nosquash_str);
615 return snprintf(page, count, "NONE\n");
618 static int lprocfs_wr_nosquash_nids(struct file *file, const char *buffer,
619 unsigned long count, void *data)
621 struct obd_device *obd = data;
622 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
624 char *kernbuf, *errmsg;
628 OBD_ALLOC(kernbuf, count + 1);
629 if (kernbuf == NULL) {
630 errmsg = "no memory";
631 GOTO(failed, rc = -ENOMEM);
633 if (cfs_copy_from_user(kernbuf, buffer, count)) {
634 errmsg = "bad address";
635 GOTO(failed, rc = -EFAULT);
637 kernbuf[count] = '\0';
639 if (!strcmp(kernbuf, "NONE") || !strcmp(kernbuf, "clear")) {
640 /* empty string is special case */
641 cfs_down_write(&mdt->mdt_squash_sem);
642 if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
643 cfs_free_nidlist(&mdt->mdt_nosquash_nids);
644 OBD_FREE(mdt->mdt_nosquash_str,
645 mdt->mdt_nosquash_strlen);
646 mdt->mdt_nosquash_str = NULL;
647 mdt->mdt_nosquash_strlen = 0;
649 cfs_up_write(&mdt->mdt_squash_sem);
650 LCONSOLE_INFO("%s: nosquash_nids is cleared\n",
652 OBD_FREE(kernbuf, count + 1);
656 CFS_INIT_LIST_HEAD(&tmp);
657 if (cfs_parse_nidlist(kernbuf, count, &tmp) <= 0) {
658 errmsg = "can't parse";
659 GOTO(failed, rc = -EINVAL);
662 cfs_down_write(&mdt->mdt_squash_sem);
663 if (!cfs_list_empty(&mdt->mdt_nosquash_nids)) {
664 cfs_free_nidlist(&mdt->mdt_nosquash_nids);
665 OBD_FREE(mdt->mdt_nosquash_str, mdt->mdt_nosquash_strlen);
667 mdt->mdt_nosquash_str = kernbuf;
668 mdt->mdt_nosquash_strlen = count + 1;
669 cfs_list_splice(&tmp, &mdt->mdt_nosquash_nids);
671 LCONSOLE_INFO("%s: nosquash_nids is set to %s\n",
672 obd->obd_name, kernbuf);
673 cfs_up_write(&mdt->mdt_squash_sem);
677 CWARN("%s: failed to set nosquash_nids to \"%s\", %s: rc %d\n",
678 obd->obd_name, kernbuf, errmsg, rc);
680 OBD_FREE(kernbuf, count + 1);
684 static int lprocfs_rd_mdt_som(char *page, char **start, off_t off,
685 int count, int *eof, void *data)
687 struct obd_device *obd = data;
688 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
690 return snprintf(page, count, "%sabled\n",
691 mdt->mdt_som_conf ? "en" : "dis");
694 static int lprocfs_wr_mdt_som(struct file *file, const char *buffer,
695 unsigned long count, void *data)
697 struct obd_export *exp;
698 struct obd_device *obd = data;
699 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
701 unsigned long val = 0;
703 if (count > (sizeof(kernbuf) - 1))
706 if (cfs_copy_from_user(kernbuf, buffer, count))
709 kernbuf[count] = '\0';
711 if (!strcmp(kernbuf, "enabled"))
713 else if (strcmp(kernbuf, "disabled"))
716 if (mdt->mdt_som_conf == val)
719 if (!obd->obd_process_conf) {
720 CERROR("Temporary SOM change is not supported, use lctl "
721 "conf_param for permanent setting\n");
725 /* 1 stands for self export. */
726 cfs_list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
727 if (exp == obd->obd_self_export)
729 if (exp->exp_connect_flags & OBD_CONNECT_MDS_MDS)
731 /* Some clients are already connected, skip the change */
732 LCONSOLE_INFO("%s is already connected, SOM will be %s on "
733 "the next mount\n", exp->exp_client_uuid.uuid,
734 val ? "enabled" : "disabled");
738 mdt->mdt_som_conf = val;
739 LCONSOLE_INFO("Enabling SOM\n");
744 /* Temporary; for testing purposes only */
745 static int lprocfs_mdt_wr_mdc(struct file *file, const char *buffer,
746 unsigned long count, void *data)
748 struct obd_device *obd = data;
749 struct obd_export *exp = NULL;
750 struct obd_uuid uuid;
751 char tmpbuf[sizeof(struct obd_uuid)];
753 sscanf(buffer, "%40s", tmpbuf);
755 obd_str2uuid(&uuid, tmpbuf);
756 exp = cfs_hash_lookup(obd->obd_uuid_hash, &uuid);
758 CERROR("%s: no export %s found\n",
759 obd->obd_name, obd_uuid2str(&uuid));
761 mdt_hsm_copytool_send(exp);
762 class_export_put(exp);
768 static struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
769 { "uuid", lprocfs_rd_uuid, 0, 0 },
770 { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
771 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
772 { "identity_expire", lprocfs_rd_identity_expire,
773 lprocfs_wr_identity_expire, 0 },
774 { "identity_acquire_expire", lprocfs_rd_identity_acquire_expire,
775 lprocfs_wr_identity_acquire_expire, 0 },
776 { "identity_upcall", lprocfs_rd_identity_upcall,
777 lprocfs_wr_identity_upcall, 0 },
778 { "identity_flush", 0, lprocfs_wr_identity_flush, 0 },
779 { "identity_info", 0, lprocfs_wr_identity_info, 0 },
780 { "capa", lprocfs_rd_capa,
781 lprocfs_wr_capa, 0 },
782 { "capa_timeout", lprocfs_rd_capa_timeout,
783 lprocfs_wr_capa_timeout, 0 },
784 { "capa_key_timeout", lprocfs_rd_ck_timeout,
785 lprocfs_wr_ck_timeout, 0 },
786 { "capa_count", lprocfs_rd_capa_count, 0, 0 },
787 { "site_stats", lprocfs_rd_site_stats, 0, 0 },
788 { "evict_client", 0, lprocfs_mdt_wr_evict_client, 0 },
789 { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
790 { "sec_level", lprocfs_rd_sec_level,
791 lprocfs_wr_sec_level, 0 },
792 { "commit_on_sharing", lprocfs_rd_cos, lprocfs_wr_cos, 0 },
793 { "root_squash", lprocfs_rd_root_squash,
794 lprocfs_wr_root_squash, 0 },
795 { "nosquash_nids", lprocfs_rd_nosquash_nids,
796 lprocfs_wr_nosquash_nids, 0 },
797 { "som", lprocfs_rd_mdt_som,
798 lprocfs_wr_mdt_som, 0 },
799 { "mdccomm", 0, lprocfs_mdt_wr_mdc, 0 },
803 static struct lprocfs_vars lprocfs_mdt_module_vars[] = {
804 { "num_refs", lprocfs_rd_numrefs, 0, 0 },
808 void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars)
810 lvars->module_vars = lprocfs_mdt_module_vars;
811 lvars->obd_vars = lprocfs_mdt_obd_vars;
814 void mdt_counter_incr(struct obd_export *exp, int opcode)
816 if (exp->exp_obd && exp->exp_obd->obd_stats)
817 lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
818 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
819 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
823 void mdt_stats_counter_init(struct lprocfs_stats *stats)
825 lprocfs_counter_init(stats, LPROC_MDT_OPEN, 0, "open", "reqs");
826 lprocfs_counter_init(stats, LPROC_MDT_CLOSE, 0, "close", "reqs");
827 lprocfs_counter_init(stats, LPROC_MDT_MKNOD, 0, "mknod", "reqs");
828 lprocfs_counter_init(stats, LPROC_MDT_LINK, 0, "link", "reqs");
829 lprocfs_counter_init(stats, LPROC_MDT_UNLINK, 0, "unlink", "reqs");
830 lprocfs_counter_init(stats, LPROC_MDT_MKDIR, 0, "mkdir", "reqs");
831 lprocfs_counter_init(stats, LPROC_MDT_RMDIR, 0, "rmdir", "reqs");
832 lprocfs_counter_init(stats, LPROC_MDT_RENAME, 0, "rename", "reqs");
833 lprocfs_counter_init(stats, LPROC_MDT_GETXATTR, 0, "getxattr", "reqs");
834 lprocfs_counter_init(stats, LPROC_MDT_SETXATTR, 0, "setxattr", "reqs");