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
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2013, Intel Corporation.
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>
42 #define DEBUG_SUBSYSTEM S_MDS
44 #include <linux/version.h>
45 #include <asm/statfs.h>
47 #include <linux/module.h>
48 #include <lnet/nidstr.h>
49 /* LUSTRE_VERSION_CODE */
50 #include <lustre_ver.h>
52 * struct OBD_{ALLOC,FREE}*()
55 #include <obd_support.h>
56 /* struct obd_export */
57 #include <lustre_export.h>
58 /* struct obd_device */
60 #include <obd_class.h>
61 #include <lustre_mds.h>
62 #include <lprocfs_status.h>
63 #include "mdt_internal.h"
66 * The rename stats output would be YAML formats, like
68 * - snapshot_time: 1234567890.123456
70 * 4kB: { samples: 1230, pct: 33, cum_pct: 45 }
71 * 8kB: { samples: 1242, pct: 33, cum_pct: 78 }
72 * 16kB: { samples: 132, pct: 3, cum_pct: 81 }
74 * 4kB: { samples: 123, pct: 33, cum_pct: 45 }
75 * 8kB: { samples: 124, pct: 33, cum_pct: 78 }
76 * 16kB: { samples: 12, pct: 3, cum_pct: 81 }
78 * 4kB: { samples: 123, pct: 33, cum_pct: 45 }
79 * 8kB: { samples: 124, pct: 33, cum_pct: 78 }
80 * 16kB: { samples: 12, pct: 3, cum_pct: 81 }
83 #define pct(a, b) (b ? a * 100 / b : 0)
85 static void display_rename_stats(struct seq_file *seq, char *name,
86 struct obd_histogram *hist)
88 unsigned long tot, t, cum = 0;
91 tot = lprocfs_oh_sum(hist);
93 seq_printf(seq, "- %-15s\n", name);
94 /* dir size start from 4K, start i from 10(2^10) here */
95 for (i = 0; i < OBD_HIST_MAX; i++) {
96 t = hist->oh_buckets[i];
102 seq_printf(seq, "%6s%d%s", " ", 1<< i, "bytes:");
104 seq_printf(seq, "%6s%d%s", " ", 1<<(i-10), "KB:");
106 seq_printf(seq, "%6s%d%s", " ", 1<<(i-20), "MB:");
108 seq_printf(seq, " { sample: %3lu, pct: %3lu, cum_pct: %3lu }\n",
109 t, pct(t, tot), pct(cum, tot));
116 static void rename_stats_show(struct seq_file *seq,
117 struct rename_stats *rename_stats)
121 /* this sampling races with updates */
122 do_gettimeofday(&now);
123 seq_printf(seq, "rename_stats:\n");
124 seq_printf(seq, "- %-15s %lu.%lu\n", "snapshot_time:",
125 now.tv_sec, now.tv_usec);
127 display_rename_stats(seq, "same_dir",
128 &rename_stats->hist[RENAME_SAMEDIR_SIZE]);
129 display_rename_stats(seq, "crossdir_src",
130 &rename_stats->hist[RENAME_CROSSDIR_SRC_SIZE]);
131 display_rename_stats(seq, "crossdir_tgt",
132 &rename_stats->hist[RENAME_CROSSDIR_TGT_SIZE]);
137 static int mdt_rename_stats_seq_show(struct seq_file *seq, void *v)
139 struct mdt_device *mdt = seq->private;
141 rename_stats_show(seq, &mdt->mdt_rename_stats);
147 mdt_rename_stats_seq_write(struct file *file, const char __user *buf,
148 size_t len, loff_t *off)
150 struct seq_file *seq = file->private_data;
151 struct mdt_device *mdt = seq->private;
154 for (i = 0; i < RENAME_LAST; i++)
155 lprocfs_oh_clear(&mdt->mdt_rename_stats.hist[i]);
159 LPROC_SEQ_FOPS(mdt_rename_stats);
161 static int lproc_mdt_attach_rename_seqstat(struct mdt_device *mdt)
165 for (i = 0; i < RENAME_LAST; i++)
166 spin_lock_init(&mdt->mdt_rename_stats.hist[i].oh_lock);
168 return lprocfs_obd_seq_create(mdt2obd_dev(mdt), "rename_stats", 0644,
169 &mdt_rename_stats_fops, mdt);
172 void mdt_rename_counter_tally(struct mdt_thread_info *info,
173 struct mdt_device *mdt,
174 struct ptlrpc_request *req,
175 struct mdt_object *src,
176 struct mdt_object *tgt)
178 struct md_attr *ma = &info->mti_attr;
179 struct rename_stats *rstats = &mdt->mdt_rename_stats;
182 ma->ma_need = MA_INODE;
184 rc = mo_attr_get(info->mti_env, mdt_object_child(src), ma);
186 CERROR("%s: "DFID" attr_get, rc = %d\n",
187 mdt_obd_name(mdt), PFID(mdt_object_fid(src)), rc);
192 mdt_counter_incr(req, LPROC_MDT_SAMEDIR_RENAME);
193 lprocfs_oh_tally_log2(&rstats->hist[RENAME_SAMEDIR_SIZE],
194 (unsigned int)ma->ma_attr.la_size);
198 mdt_counter_incr(req, LPROC_MDT_CROSSDIR_RENAME);
199 lprocfs_oh_tally_log2(&rstats->hist[RENAME_CROSSDIR_SRC_SIZE],
200 (unsigned int)ma->ma_attr.la_size);
202 ma->ma_need = MA_INODE;
204 rc = mo_attr_get(info->mti_env, mdt_object_child(tgt), ma);
206 CERROR("%s: "DFID" attr_get, rc = %d\n",
207 mdt_obd_name(mdt), PFID(mdt_object_fid(tgt)), rc);
211 lprocfs_oh_tally_log2(&rstats->hist[RENAME_CROSSDIR_TGT_SIZE],
212 (unsigned int)ma->ma_attr.la_size);
215 static int mdt_identity_expire_seq_show(struct seq_file *m, void *data)
217 struct obd_device *obd = m->private;
218 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
220 return seq_printf(m, "%u\n", mdt->mdt_identity_cache->uc_entry_expire);
224 mdt_identity_expire_seq_write(struct file *file, const char __user *buffer,
225 size_t count, loff_t *off)
227 struct seq_file *m = file->private_data;
228 struct obd_device *obd = m->private;
229 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
232 rc = lprocfs_write_helper(buffer, count, &val);
236 mdt->mdt_identity_cache->uc_entry_expire = val;
239 LPROC_SEQ_FOPS(mdt_identity_expire);
241 static int mdt_identity_acquire_expire_seq_show(struct seq_file *m, void *data)
243 struct obd_device *obd = m->private;
244 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
246 return seq_printf(m, "%u\n", mdt->mdt_identity_cache->uc_acquire_expire);
250 mdt_identity_acquire_expire_seq_write(struct file *file,
251 const char __user *buffer,
252 size_t count, loff_t *off)
254 struct seq_file *m = file->private_data;
255 struct obd_device *obd = m->private;
256 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
259 rc = lprocfs_write_helper(buffer, count, &val);
263 mdt->mdt_identity_cache->uc_acquire_expire = val;
266 LPROC_SEQ_FOPS(mdt_identity_acquire_expire);
268 static int mdt_identity_upcall_seq_show(struct seq_file *m, void *data)
270 struct obd_device *obd = m->private;
271 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
272 struct upcall_cache *hash = mdt->mdt_identity_cache;
274 read_lock(&hash->uc_upcall_rwlock);
275 seq_printf(m, "%s\n", hash->uc_upcall);
276 read_unlock(&hash->uc_upcall_rwlock);
281 mdt_identity_upcall_seq_write(struct file *file, const char __user *buffer,
282 size_t count, loff_t *off)
284 struct seq_file *m = file->private_data;
285 struct obd_device *obd = m->private;
286 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
287 struct upcall_cache *hash = mdt->mdt_identity_cache;
291 if (count >= UC_CACHE_UPCALL_MAXPATH) {
292 CERROR("%s: identity upcall too long\n", mdt_obd_name(mdt));
295 OBD_ALLOC(kernbuf, count + 1);
297 GOTO(failed, rc = -ENOMEM);
298 if (copy_from_user(kernbuf, buffer, count))
299 GOTO(failed, rc = -EFAULT);
301 /* Remove any extraneous bits from the upcall (e.g. linefeeds) */
302 write_lock(&hash->uc_upcall_rwlock);
303 sscanf(kernbuf, "%s", hash->uc_upcall);
304 write_unlock(&hash->uc_upcall_rwlock);
306 if (strcmp(hash->uc_name, mdt_obd_name(mdt)) != 0)
307 CWARN("%s: write to upcall name %s\n",
308 mdt_obd_name(mdt), hash->uc_upcall);
310 if (strcmp(hash->uc_upcall, "NONE") == 0 && mdt->mdt_opts.mo_acl)
311 CWARN("%s: disable \"identity_upcall\" with ACL enabled maybe "
312 "cause unexpected \"EACCESS\"\n", mdt_obd_name(mdt));
314 CDEBUG(D_CONFIG, "%s: identity upcall set to %s\n", mdt_obd_name(mdt),
316 OBD_FREE(kernbuf, count + 1);
321 OBD_FREE(kernbuf, count + 1);
324 LPROC_SEQ_FOPS(mdt_identity_upcall);
327 lprocfs_identity_flush_seq_write(struct file *file, const char __user *buffer,
328 size_t count, void *data)
330 struct seq_file *m = file->private_data;
331 struct obd_device *obd = m->private;
332 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
335 rc = lprocfs_write_helper(buffer, count, &uid);
339 mdt_flush_identity(mdt->mdt_identity_cache, uid);
342 LPROC_SEQ_FOPS_WO_TYPE(mdt, identity_flush);
345 lprocfs_identity_info_seq_write(struct file *file, const char __user *buffer,
346 size_t count, void *data)
348 struct seq_file *m = file->private_data;
349 struct obd_device *obd = m->private;
350 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
351 struct identity_downcall_data *param;
352 int size = sizeof(*param), rc, checked = 0;
356 CERROR("%s: invalid data count = %lu, size = %d\n",
357 mdt_obd_name(mdt), (unsigned long) count, size);
361 OBD_ALLOC(param, size);
365 if (copy_from_user(param, buffer, size)) {
366 CERROR("%s: bad identity data\n", mdt_obd_name(mdt));
367 GOTO(out, rc = -EFAULT);
372 if (param->idd_magic != IDENTITY_DOWNCALL_MAGIC) {
373 CERROR("%s: MDS identity downcall bad params\n",
375 GOTO(out, rc = -EINVAL);
378 if (param->idd_nperms > N_PERMS_MAX) {
379 CERROR("%s: perm count %d more than maximum %d\n",
380 mdt_obd_name(mdt), param->idd_nperms,
382 GOTO(out, rc = -EINVAL);
385 if (param->idd_ngroups > NGROUPS_MAX) {
386 CERROR("%s: group count %d more than maximum %d\n",
387 mdt_obd_name(mdt), param->idd_ngroups,
389 GOTO(out, rc = -EINVAL);
392 if (param->idd_ngroups) {
393 rc = param->idd_ngroups; /* save idd_ngroups */
394 OBD_FREE(param, size);
395 size = offsetof(struct identity_downcall_data,
401 rc = upcall_cache_downcall(mdt->mdt_identity_cache, param->idd_err,
402 param->idd_uid, param);
406 OBD_FREE(param, size);
408 return rc ? rc : count;
410 LPROC_SEQ_FOPS_WO_TYPE(mdt, identity_info);
413 static int mdt_capa_seq_show(struct seq_file *m, void *data)
415 struct obd_device *obd = m->private;
416 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
418 return seq_printf(m, "capability on: %s %s\n",
419 mdt->mdt_lut.lut_oss_capa ? "oss" : "",
420 mdt->mdt_lut.lut_mds_capa ? "mds" : "");
424 mdt_capa_seq_write(struct file *file, const char __user *buffer,
425 size_t count, loff_t *off)
427 struct seq_file *m = file->private_data;
428 struct obd_device *obd = m->private;
429 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
432 rc = lprocfs_write_helper(buffer, count, &val);
436 if (val < 0 || val > 3) {
437 CERROR("invalid capability mode, only 0/2/3 is accepted.\n"
438 " 0: disable fid capability\n"
439 " 2: enable MDS fid capability\n"
440 " 3: enable both MDS and OSS fid capability\n");
444 /* OSS fid capability needs enable both MDS and OSS fid capability on
447 CERROR("can't enable OSS fid capability only, you should use "
448 "'3' to enable both MDS and OSS fid capability.\n");
452 spin_lock(&mdt->mdt_lut.lut_flags_lock);
453 mdt->mdt_lut.lut_oss_capa = !!(val & 0x1);
454 mdt->mdt_lut.lut_mds_capa = !!(val & 0x2);
455 spin_unlock(&mdt->mdt_lut.lut_flags_lock);
456 mdt->mdt_capa_conf = 1;
457 LCONSOLE_INFO("MDS %s %s MDS fid capability.\n",
459 mdt->mdt_lut.lut_mds_capa ? "enabled" : "disabled");
460 LCONSOLE_INFO("MDS %s %s OSS fid capability.\n",
462 mdt->mdt_lut.lut_oss_capa ? "enabled" : "disabled");
465 LPROC_SEQ_FOPS(mdt_capa);
467 static int mdt_capa_count_seq_show(struct seq_file *m, void *data)
469 return seq_printf(m, "%d %d\n", capa_count[CAPA_SITE_CLIENT],
470 capa_count[CAPA_SITE_SERVER]);
472 LPROC_SEQ_FOPS_RO(mdt_capa_count);
474 static int mdt_site_stats_seq_show(struct seq_file *m, void *data)
476 struct obd_device *obd = m->private;
477 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
479 return lu_site_stats_seq_print(mdt_lu_site(mdt), m);
481 LPROC_SEQ_FOPS_RO(mdt_site_stats);
483 static int mdt_capa_timeout_seq_show(struct seq_file *m, void *data)
485 struct obd_device *obd = m->private;
486 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
488 return seq_printf(m, "%lu\n", mdt->mdt_capa_timeout);
492 mdt_capa_timeout_seq_write(struct file *file, const char __user *buffer,
493 size_t count, loff_t *off)
495 struct seq_file *m = file->private_data;
496 struct obd_device *obd = m->private;
497 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
500 rc = lprocfs_write_helper(buffer, count, &val);
504 mdt->mdt_capa_timeout = (unsigned long)val;
505 mdt->mdt_capa_conf = 1;
508 LPROC_SEQ_FOPS(mdt_capa_timeout);
510 static int mdt_ck_timeout_seq_show(struct seq_file *m, void *data)
512 struct obd_device *obd = m->private;
513 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
515 return seq_printf(m, "%lu\n", mdt->mdt_ck_timeout);
519 mdt_ck_timeout_seq_write(struct file *file, const char __user *buffer,
520 size_t count, loff_t *off)
522 struct seq_file *m = file->private_data;
523 struct obd_device *obd = m->private;
524 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
527 rc = lprocfs_write_helper(buffer, count, &val);
531 mdt->mdt_ck_timeout = (unsigned long)val;
532 mdt->mdt_capa_conf = 1;
535 LPROC_SEQ_FOPS(mdt_ck_timeout);
537 #define BUFLEN (UUID_MAX + 4)
540 lprocfs_mds_evict_client_seq_write(struct file *file,
541 const char __user *buffer,
542 size_t count, loff_t *off)
547 OBD_ALLOC(kbuf, BUFLEN);
552 * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
553 * bytes into kbuf, to ensure that the string is NUL-terminated.
554 * UUID_MAX should include a trailing NUL already.
556 if (copy_from_user(kbuf, buffer,
557 min_t(unsigned long, BUFLEN - 1, count))) {
561 tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
563 if (strncmp(tmpbuf, "nid:", 4) != 0) {
564 count = lprocfs_evict_client_seq_write(file, buffer, count,
569 CERROR("NOT implement evict client by nid %s\n", tmpbuf);
572 OBD_FREE(kbuf, BUFLEN);
578 static int mdt_sec_level_seq_show(struct seq_file *m, void *data)
580 struct obd_device *obd = m->private;
581 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
583 return seq_printf(m, "%d\n", mdt->mdt_lut.lut_sec_level);
587 mdt_sec_level_seq_write(struct file *file, const char __user *buffer,
588 size_t count, loff_t *off)
590 struct seq_file *m = file->private_data;
591 struct obd_device *obd = m->private;
592 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
595 rc = lprocfs_write_helper(buffer, count, &val);
599 if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
602 if (val == LUSTRE_SEC_SPECIFY) {
603 CWARN("security level %d will be supported in future.\n",
608 mdt->mdt_lut.lut_sec_level = val;
611 LPROC_SEQ_FOPS(mdt_sec_level);
613 static int mdt_cos_seq_show(struct seq_file *m, void *data)
615 struct obd_device *obd = m->private;
616 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
618 return seq_printf(m, "%u\n", mdt_cos_is_enabled(mdt));
622 mdt_cos_seq_write(struct file *file, const char __user *buffer,
623 size_t count, loff_t *off)
625 struct seq_file *m = file->private_data;
626 struct obd_device *obd = m->private;
627 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
630 rc = lprocfs_write_helper(buffer, count, &val);
633 mdt_enable_cos(mdt, val);
636 LPROC_SEQ_FOPS(mdt_cos);
638 static int mdt_root_squash_seq_show(struct seq_file *m, void *data)
640 struct obd_device *obd = m->private;
641 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
642 struct root_squash_info *squash = &mdt->mdt_squash;
644 return seq_printf(m, "%u:%u\n", squash->rsi_uid,
649 mdt_root_squash_seq_write(struct file *file, const char __user *buffer,
650 size_t count, loff_t *off)
652 struct seq_file *m = file->private_data;
653 struct obd_device *obd = m->private;
654 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
655 struct root_squash_info *squash = &mdt->mdt_squash;
657 return lprocfs_wr_root_squash(buffer, count, squash,
660 LPROC_SEQ_FOPS(mdt_root_squash);
662 static int mdt_nosquash_nids_seq_show(struct seq_file *m, void *data)
664 struct obd_device *obd = m->private;
665 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
666 struct root_squash_info *squash = &mdt->mdt_squash;
669 down_read(&squash->rsi_sem);
670 if (!list_empty(&squash->rsi_nosquash_nids)) {
671 len = cfs_print_nidlist(m->buf + m->count, m->size - m->count,
672 &squash->rsi_nosquash_nids);
674 rc = seq_printf(m, "\n");
676 rc = seq_printf(m, "NONE\n");
677 up_read(&squash->rsi_sem);
683 mdt_nosquash_nids_seq_write(struct file *file, const char __user *buffer,
684 size_t count, loff_t *off)
686 struct seq_file *m = file->private_data;
687 struct obd_device *obd = m->private;
688 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
689 struct root_squash_info *squash = &mdt->mdt_squash;
691 return lprocfs_wr_nosquash_nids(buffer, count, squash,
694 LPROC_SEQ_FOPS(mdt_nosquash_nids);
696 static int mdt_som_seq_show(struct seq_file *m, void *data)
698 struct obd_device *obd = m->private;
699 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
701 return seq_printf(m, "%sabled\n",
702 mdt->mdt_som_conf ? "en" : "dis");
706 mdt_som_seq_write(struct file *file, const char __user *buffer,
707 size_t count, loff_t *off)
709 struct seq_file *m = file->private_data;
710 struct obd_device *obd = m->private;
711 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
712 struct obd_export *exp;
714 unsigned long val = 0;
716 if (count > (sizeof(kernbuf) - 1))
719 if (copy_from_user(kernbuf, buffer, count))
722 kernbuf[count] = '\0';
724 if (!strcmp(kernbuf, "enabled"))
726 else if (strcmp(kernbuf, "disabled"))
729 if (mdt->mdt_som_conf == val)
732 if (!obd->obd_process_conf) {
733 CERROR("Temporary SOM change is not supported, use lctl "
734 "conf_param for permanent setting\n");
738 /* 1 stands for self export. */
739 list_for_each_entry(exp, &obd->obd_exports, exp_obd_chain) {
740 if (exp == obd->obd_self_export)
742 if (exp_connect_flags(exp) & OBD_CONNECT_MDS_MDS)
744 /* Some clients are already connected, skip the change */
745 LCONSOLE_INFO("%s is already connected, SOM will be %s on "
746 "the next mount\n", exp->exp_client_uuid.uuid,
747 val ? "enabled" : "disabled");
751 mdt->mdt_som_conf = val;
752 LCONSOLE_INFO("Enabling SOM\n");
756 LPROC_SEQ_FOPS(mdt_som);
758 static int mdt_enable_remote_dir_seq_show(struct seq_file *m, void *data)
760 struct obd_device *obd = m->private;
761 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
763 return seq_printf(m, "%u\n", mdt->mdt_enable_remote_dir);
767 mdt_enable_remote_dir_seq_write(struct file *file, const char __user *buffer,
768 size_t count, loff_t *off)
770 struct seq_file *m = file->private_data;
771 struct obd_device *obd = m->private;
772 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
776 rc = lprocfs_write_helper(buffer, count, &val);
783 mdt->mdt_enable_remote_dir = val;
786 LPROC_SEQ_FOPS(mdt_enable_remote_dir);
788 static int mdt_enable_remote_dir_gid_seq_show(struct seq_file *m, void *data)
790 struct obd_device *obd = m->private;
791 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
793 return seq_printf(m, "%d\n",
794 (int)mdt->mdt_enable_remote_dir_gid);
798 mdt_enable_remote_dir_gid_seq_write(struct file *file,
799 const char __user *buffer,
800 size_t count, loff_t *off)
802 struct seq_file *m = file->private_data;
803 struct obd_device *obd = m->private;
804 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
808 rc = lprocfs_write_helper(buffer, count, &val);
812 mdt->mdt_enable_remote_dir_gid = val;
815 LPROC_SEQ_FOPS(mdt_enable_remote_dir_gid);
817 LPROC_SEQ_FOPS_RO_TYPE(mdt, uuid);
818 LPROC_SEQ_FOPS_RO_TYPE(mdt, recovery_status);
819 LPROC_SEQ_FOPS_RO_TYPE(mdt, num_exports);
820 LPROC_SEQ_FOPS_RO_TYPE(mdt, target_instance);
821 LPROC_SEQ_FOPS_RO_TYPE(mdt, hash);
822 LPROC_SEQ_FOPS_WO_TYPE(mdt, mds_evict_client);
823 LPROC_SEQ_FOPS_RW_TYPE(mdt, job_interval);
824 LPROC_SEQ_FOPS_RW_TYPE(mdt, ir_factor);
825 LPROC_SEQ_FOPS_RW_TYPE(mdt, nid_stats_clear);
826 LPROC_SEQ_FOPS(mdt_hsm_cdt_control);
828 static struct lprocfs_seq_vars lprocfs_mdt_obd_vars[] = {
830 .fops = &mdt_uuid_fops },
831 { .name = "recovery_status",
832 .fops = &mdt_recovery_status_fops },
833 { .name = "num_exports",
834 .fops = &mdt_num_exports_fops },
835 { .name = "identity_expire",
836 .fops = &mdt_identity_expire_fops },
837 { .name = "identity_acquire_expire",
838 .fops = &mdt_identity_acquire_expire_fops },
839 { .name = "identity_upcall",
840 .fops = &mdt_identity_upcall_fops },
841 { .name = "identity_flush",
842 .fops = &mdt_identity_flush_fops },
843 { .name = "identity_info",
844 .fops = &mdt_identity_info_fops },
846 .fops = &mdt_capa_fops },
847 { .name = "capa_timeout",
848 .fops = &mdt_capa_timeout_fops },
849 { .name = "capa_key_timeout",
850 .fops = &mdt_ck_timeout_fops },
851 { .name = "capa_count",
852 .fops = &mdt_capa_count_fops },
853 { .name = "site_stats",
854 .fops = &mdt_site_stats_fops },
855 { .name = "evict_client",
856 .fops = &mdt_mds_evict_client_fops },
857 { .name = "hash_stats",
858 .fops = &mdt_hash_fops },
859 { .name = "sec_level",
860 .fops = &mdt_sec_level_fops },
861 { .name = "commit_on_sharing",
862 .fops = &mdt_cos_fops },
863 { .name = "root_squash",
864 .fops = &mdt_root_squash_fops },
865 { .name = "nosquash_nids",
866 .fops = &mdt_nosquash_nids_fops },
868 .fops = &mdt_som_fops },
869 { .name = "instance",
870 .fops = &mdt_target_instance_fops },
871 { .name = "ir_factor",
872 .fops = &mdt_ir_factor_fops },
873 { .name = "job_cleanup_interval",
874 .fops = &mdt_job_interval_fops },
875 { .name = "enable_remote_dir",
876 .fops = &mdt_enable_remote_dir_fops },
877 { .name = "enable_remote_dir_gid",
878 .fops = &mdt_enable_remote_dir_gid_fops },
879 { .name = "hsm_control",
880 .fops = &mdt_hsm_cdt_control_fops },
884 int lprocfs_mdt_print_open_files(cfs_hash_t *hs, cfs_hash_bd_t *bd,
885 struct hlist_node *hnode, void *v)
887 struct obd_export *exp = cfs_hash_object(hs, hnode);
888 struct seq_file *seq = v;
890 if (exp->exp_lock_hash != NULL) {
891 struct mdt_export_data *med = &exp->exp_mdt_data;
892 struct mdt_file_data *mfd;
894 spin_lock(&med->med_open_lock);
895 list_for_each_entry(mfd, &med->med_open_head, mfd_list) {
896 seq_printf(seq, DFID"\n",
897 PFID(mdt_object_fid(mfd->mfd_object)));
899 spin_unlock(&med->med_open_lock);
905 int lprocfs_mdt_open_files_seq_show(struct seq_file *seq, void *v)
907 struct nid_stat *stats = seq->private;
908 struct obd_device *obd = stats->nid_obd;
910 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
911 lprocfs_mdt_print_open_files, seq);
916 int lprocfs_mdt_open_files_seq_open(struct inode *inode, struct file *file)
918 struct seq_file *seq;
921 rc = single_open(file, &lprocfs_mdt_open_files_seq_show, NULL);
925 seq = file->private_data;
926 seq->private = PDE_DATA(inode);
931 void mdt_counter_incr(struct ptlrpc_request *req, int opcode)
933 struct obd_export *exp = req->rq_export;
935 if (exp->exp_obd && exp->exp_obd->obd_md_stats)
936 lprocfs_counter_incr(exp->exp_obd->obd_md_stats, opcode);
937 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
938 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
939 if (exp->exp_obd && exp->exp_obd->u.obt.obt_jobstats.ojs_hash &&
940 (exp_connect_flags(exp) & OBD_CONNECT_JOBSTATS))
941 lprocfs_job_stats_log(exp->exp_obd,
942 lustre_msg_get_jobid(req->rq_reqmsg),
946 void mdt_stats_counter_init(struct lprocfs_stats *stats)
948 lprocfs_counter_init(stats, LPROC_MDT_OPEN, 0, "open", "reqs");
949 lprocfs_counter_init(stats, LPROC_MDT_CLOSE, 0, "close", "reqs");
950 lprocfs_counter_init(stats, LPROC_MDT_MKNOD, 0, "mknod", "reqs");
951 lprocfs_counter_init(stats, LPROC_MDT_LINK, 0, "link", "reqs");
952 lprocfs_counter_init(stats, LPROC_MDT_UNLINK, 0, "unlink", "reqs");
953 lprocfs_counter_init(stats, LPROC_MDT_MKDIR, 0, "mkdir", "reqs");
954 lprocfs_counter_init(stats, LPROC_MDT_RMDIR, 0, "rmdir", "reqs");
955 lprocfs_counter_init(stats, LPROC_MDT_RENAME, 0, "rename", "reqs");
956 lprocfs_counter_init(stats, LPROC_MDT_GETATTR, 0, "getattr", "reqs");
957 lprocfs_counter_init(stats, LPROC_MDT_SETATTR, 0, "setattr", "reqs");
958 lprocfs_counter_init(stats, LPROC_MDT_GETXATTR, 0, "getxattr", "reqs");
959 lprocfs_counter_init(stats, LPROC_MDT_SETXATTR, 0, "setxattr", "reqs");
960 lprocfs_counter_init(stats, LPROC_MDT_STATFS, 0, "statfs", "reqs");
961 lprocfs_counter_init(stats, LPROC_MDT_SYNC, 0, "sync", "reqs");
962 lprocfs_counter_init(stats, LPROC_MDT_SAMEDIR_RENAME, 0,
963 "samedir_rename", "reqs");
964 lprocfs_counter_init(stats, LPROC_MDT_CROSSDIR_RENAME, 0,
965 "crossdir_rename", "reqs");
968 int mdt_procfs_init(struct mdt_device *mdt, const char *name)
970 struct obd_device *obd = mdt2obd_dev(mdt);
974 LASSERT(name != NULL);
976 obd->obd_vars = lprocfs_mdt_obd_vars;
977 rc = lprocfs_obd_setup(obd);
979 CERROR("%s: cannot create proc entries: rc = %d\n",
980 mdt_obd_name(mdt), rc);
984 rc = hsm_cdt_procfs_init(mdt);
986 CERROR("%s: cannot create hsm proc entries: rc = %d\n",
987 mdt_obd_name(mdt), rc);
991 obd->obd_proc_exports_entry = proc_mkdir("exports",
992 obd->obd_proc_entry);
993 if (obd->obd_proc_exports_entry)
994 lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
995 obd, &mdt_nid_stats_clear_fops);
996 rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_LAST);
999 mdt_stats_counter_init(obd->obd_md_stats);
1001 rc = lprocfs_job_stats_init(obd, LPROC_MDT_LAST,
1002 mdt_stats_counter_init);
1004 rc = lproc_mdt_attach_rename_seqstat(mdt);
1006 CERROR("%s: MDT can not create rename stats rc = %d\n",
1007 mdt_obd_name(mdt), rc);
1012 void mdt_procfs_fini(struct mdt_device *mdt)
1014 struct obd_device *obd = mdt2obd_dev(mdt);
1016 if (obd->obd_proc_exports_entry != NULL) {
1017 lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
1018 obd->obd_proc_exports_entry = NULL;
1021 lprocfs_free_per_client_stats(obd);
1022 hsm_cdt_procfs_fini(mdt);
1023 lprocfs_obd_cleanup(obd);
1024 lprocfs_free_md_stats(obd);
1025 lprocfs_free_obd_stats(obd);
1026 lprocfs_job_stats_fini(obd);