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, 2014, 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);
412 static int mdt_site_stats_seq_show(struct seq_file *m, void *data)
414 struct obd_device *obd = m->private;
415 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
417 return lu_site_stats_seq_print(mdt_lu_site(mdt), m);
419 LPROC_SEQ_FOPS_RO(mdt_site_stats);
421 #define BUFLEN (UUID_MAX + 4)
424 lprocfs_mds_evict_client_seq_write(struct file *file, const char __user *buf,
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);
434 OBD_ALLOC(kbuf, BUFLEN);
439 * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
440 * bytes into kbuf, to ensure that the string is NUL-terminated.
441 * UUID_MAX should include a trailing NUL already.
443 if (copy_from_user(kbuf, buf, min_t(unsigned long, BUFLEN - 1, count)))
444 GOTO(out, rc = -EFAULT);
445 tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
447 if (strncmp(tmpbuf, "nid:", 4) != 0) {
448 count = lprocfs_evict_client_seq_write(file, buf, count, off);
452 if (mdt->mdt_opts.mo_evict_tgt_nids) {
453 rc = obd_set_info_async(NULL, mdt->mdt_child_exp,
454 sizeof(KEY_EVICT_BY_NID),
456 strlen(tmpbuf + 4) + 1,
459 CERROR("Failed to evict nid %s from OSTs: rc %d\n",
463 /* See the comments in function lprocfs_wr_evict_client()
464 * in ptlrpc/lproc_ptlrpc.c for details. - jay */
465 class_incref(obd, __func__, current);
466 obd_export_evict_by_nid(obd, tmpbuf + 4);
467 class_decref(obd, __func__, current);
471 OBD_FREE(kbuf, BUFLEN);
472 return rc < 0 ? rc : count;
477 static int mdt_evict_tgt_nids_seq_show(struct seq_file *m, void *data)
479 struct obd_device *obd = m->private;
480 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
482 return seq_printf(m, "%u\n", mdt->mdt_opts.mo_evict_tgt_nids);
486 mdt_evict_tgt_nids_seq_write(struct file *file, const char __user *buffer,
487 size_t count, loff_t *off)
489 struct seq_file *m = file->private_data;
490 struct obd_device *obd = m->private;
491 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
494 rc = lprocfs_write_helper(buffer, count, &val);
497 mdt->mdt_opts.mo_evict_tgt_nids = !!val;
500 LPROC_SEQ_FOPS(mdt_evict_tgt_nids);
503 static int mdt_sec_level_seq_show(struct seq_file *m, void *data)
505 struct obd_device *obd = m->private;
506 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
508 return seq_printf(m, "%d\n", mdt->mdt_lut.lut_sec_level);
512 mdt_sec_level_seq_write(struct file *file, const char __user *buffer,
513 size_t count, loff_t *off)
515 struct seq_file *m = file->private_data;
516 struct obd_device *obd = m->private;
517 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
520 rc = lprocfs_write_helper(buffer, count, &val);
524 if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
527 if (val == LUSTRE_SEC_SPECIFY) {
528 CWARN("security level %d will be supported in future.\n",
533 mdt->mdt_lut.lut_sec_level = val;
536 LPROC_SEQ_FOPS(mdt_sec_level);
538 static int mdt_cos_seq_show(struct seq_file *m, void *data)
540 struct obd_device *obd = m->private;
541 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
543 return seq_printf(m, "%u\n", mdt_cos_is_enabled(mdt));
547 mdt_cos_seq_write(struct file *file, const char __user *buffer,
548 size_t count, loff_t *off)
550 struct seq_file *m = file->private_data;
551 struct obd_device *obd = m->private;
552 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
555 rc = lprocfs_write_helper(buffer, count, &val);
558 mdt_enable_cos(mdt, val);
561 LPROC_SEQ_FOPS(mdt_cos);
563 static int mdt_root_squash_seq_show(struct seq_file *m, void *data)
565 struct obd_device *obd = m->private;
566 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
567 struct root_squash_info *squash = &mdt->mdt_squash;
569 return seq_printf(m, "%u:%u\n", squash->rsi_uid,
574 mdt_root_squash_seq_write(struct file *file, const char __user *buffer,
575 size_t count, loff_t *off)
577 struct seq_file *m = file->private_data;
578 struct obd_device *obd = m->private;
579 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
580 struct root_squash_info *squash = &mdt->mdt_squash;
582 return lprocfs_wr_root_squash(buffer, count, squash,
585 LPROC_SEQ_FOPS(mdt_root_squash);
587 static int mdt_nosquash_nids_seq_show(struct seq_file *m, void *data)
589 struct obd_device *obd = m->private;
590 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
591 struct root_squash_info *squash = &mdt->mdt_squash;
594 down_read(&squash->rsi_sem);
595 if (!list_empty(&squash->rsi_nosquash_nids)) {
596 len = cfs_print_nidlist(m->buf + m->count, m->size - m->count,
597 &squash->rsi_nosquash_nids);
599 rc = seq_printf(m, "\n");
601 rc = seq_printf(m, "NONE\n");
602 up_read(&squash->rsi_sem);
608 mdt_nosquash_nids_seq_write(struct file *file, const char __user *buffer,
609 size_t count, loff_t *off)
611 struct seq_file *m = file->private_data;
612 struct obd_device *obd = m->private;
613 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
614 struct root_squash_info *squash = &mdt->mdt_squash;
616 return lprocfs_wr_nosquash_nids(buffer, count, squash,
619 LPROC_SEQ_FOPS(mdt_nosquash_nids);
621 static int mdt_enable_remote_dir_seq_show(struct seq_file *m, void *data)
623 struct obd_device *obd = m->private;
624 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
626 return seq_printf(m, "%u\n", mdt->mdt_enable_remote_dir);
630 mdt_enable_remote_dir_seq_write(struct file *file, const char __user *buffer,
631 size_t count, loff_t *off)
633 struct seq_file *m = file->private_data;
634 struct obd_device *obd = m->private;
635 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
639 rc = lprocfs_write_helper(buffer, count, &val);
646 mdt->mdt_enable_remote_dir = val;
649 LPROC_SEQ_FOPS(mdt_enable_remote_dir);
651 static int mdt_enable_remote_dir_gid_seq_show(struct seq_file *m, void *data)
653 struct obd_device *obd = m->private;
654 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
656 return seq_printf(m, "%d\n",
657 (int)mdt->mdt_enable_remote_dir_gid);
661 mdt_enable_remote_dir_gid_seq_write(struct file *file,
662 const char __user *buffer,
663 size_t count, loff_t *off)
665 struct seq_file *m = file->private_data;
666 struct obd_device *obd = m->private;
667 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
671 rc = lprocfs_write_helper(buffer, count, &val);
675 mdt->mdt_enable_remote_dir_gid = val;
678 LPROC_SEQ_FOPS(mdt_enable_remote_dir_gid);
680 LPROC_SEQ_FOPS_RO_TYPE(mdt, uuid);
681 LPROC_SEQ_FOPS_RO_TYPE(mdt, recovery_status);
682 LPROC_SEQ_FOPS_RO_TYPE(mdt, num_exports);
683 LPROC_SEQ_FOPS_RO_TYPE(mdt, target_instance);
684 LPROC_SEQ_FOPS_RO_TYPE(mdt, hash);
685 LPROC_SEQ_FOPS_WO_TYPE(mdt, mds_evict_client);
686 LPROC_SEQ_FOPS_RW_TYPE(mdt, job_interval);
687 LPROC_SEQ_FOPS_RW_TYPE(mdt, ir_factor);
688 LPROC_SEQ_FOPS_RW_TYPE(mdt, nid_stats_clear);
689 LPROC_SEQ_FOPS(mdt_hsm_cdt_control);
691 static struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
693 .fops = &mdt_uuid_fops },
694 { .name = "recovery_status",
695 .fops = &mdt_recovery_status_fops },
696 { .name = "num_exports",
697 .fops = &mdt_num_exports_fops },
698 { .name = "identity_expire",
699 .fops = &mdt_identity_expire_fops },
700 { .name = "identity_acquire_expire",
701 .fops = &mdt_identity_acquire_expire_fops },
702 { .name = "identity_upcall",
703 .fops = &mdt_identity_upcall_fops },
704 { .name = "identity_flush",
705 .fops = &mdt_identity_flush_fops },
706 { .name = "identity_info",
707 .fops = &mdt_identity_info_fops },
708 { .name = "site_stats",
709 .fops = &mdt_site_stats_fops },
710 { .name = "evict_client",
711 .fops = &mdt_mds_evict_client_fops },
712 { .name = "evict_tgt_nids",
713 .fops = &mdt_evict_tgt_nids_fops },
714 { .name = "hash_stats",
715 .fops = &mdt_hash_fops },
716 { .name = "sec_level",
717 .fops = &mdt_sec_level_fops },
718 { .name = "commit_on_sharing",
719 .fops = &mdt_cos_fops },
720 { .name = "root_squash",
721 .fops = &mdt_root_squash_fops },
722 { .name = "nosquash_nids",
723 .fops = &mdt_nosquash_nids_fops },
724 { .name = "instance",
725 .fops = &mdt_target_instance_fops },
726 { .name = "ir_factor",
727 .fops = &mdt_ir_factor_fops },
728 { .name = "job_cleanup_interval",
729 .fops = &mdt_job_interval_fops },
730 { .name = "enable_remote_dir",
731 .fops = &mdt_enable_remote_dir_fops },
732 { .name = "enable_remote_dir_gid",
733 .fops = &mdt_enable_remote_dir_gid_fops },
734 { .name = "hsm_control",
735 .fops = &mdt_hsm_cdt_control_fops },
740 lprocfs_mdt_print_open_files(struct cfs_hash *hs, struct cfs_hash_bd *bd,
741 struct hlist_node *hnode, void *v)
743 struct obd_export *exp = cfs_hash_object(hs, hnode);
744 struct seq_file *seq = v;
746 if (exp->exp_lock_hash != NULL) {
747 struct mdt_export_data *med = &exp->exp_mdt_data;
748 struct mdt_file_data *mfd;
750 spin_lock(&med->med_open_lock);
751 list_for_each_entry(mfd, &med->med_open_head, mfd_list) {
752 seq_printf(seq, DFID"\n",
753 PFID(mdt_object_fid(mfd->mfd_object)));
755 spin_unlock(&med->med_open_lock);
761 static int lprocfs_mdt_open_files_seq_show(struct seq_file *seq, void *v)
763 struct nid_stat *stats = seq->private;
764 struct obd_device *obd = stats->nid_obd;
766 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
767 lprocfs_mdt_print_open_files, seq);
772 int lprocfs_mdt_open_files_seq_open(struct inode *inode, struct file *file)
774 struct seq_file *seq;
777 rc = single_open(file, &lprocfs_mdt_open_files_seq_show, NULL);
781 seq = file->private_data;
782 seq->private = PDE_DATA(inode);
787 void mdt_counter_incr(struct ptlrpc_request *req, int opcode)
789 struct obd_export *exp = req->rq_export;
791 if (exp->exp_obd && exp->exp_obd->obd_md_stats)
792 lprocfs_counter_incr(exp->exp_obd->obd_md_stats, opcode);
793 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
794 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
795 if (exp->exp_obd && exp->exp_obd->u.obt.obt_jobstats.ojs_hash &&
796 (exp_connect_flags(exp) & OBD_CONNECT_JOBSTATS))
797 lprocfs_job_stats_log(exp->exp_obd,
798 lustre_msg_get_jobid(req->rq_reqmsg),
802 void mdt_stats_counter_init(struct lprocfs_stats *stats)
804 lprocfs_counter_init(stats, LPROC_MDT_OPEN, 0, "open", "reqs");
805 lprocfs_counter_init(stats, LPROC_MDT_CLOSE, 0, "close", "reqs");
806 lprocfs_counter_init(stats, LPROC_MDT_MKNOD, 0, "mknod", "reqs");
807 lprocfs_counter_init(stats, LPROC_MDT_LINK, 0, "link", "reqs");
808 lprocfs_counter_init(stats, LPROC_MDT_UNLINK, 0, "unlink", "reqs");
809 lprocfs_counter_init(stats, LPROC_MDT_MKDIR, 0, "mkdir", "reqs");
810 lprocfs_counter_init(stats, LPROC_MDT_RMDIR, 0, "rmdir", "reqs");
811 lprocfs_counter_init(stats, LPROC_MDT_RENAME, 0, "rename", "reqs");
812 lprocfs_counter_init(stats, LPROC_MDT_GETATTR, 0, "getattr", "reqs");
813 lprocfs_counter_init(stats, LPROC_MDT_SETATTR, 0, "setattr", "reqs");
814 lprocfs_counter_init(stats, LPROC_MDT_GETXATTR, 0, "getxattr", "reqs");
815 lprocfs_counter_init(stats, LPROC_MDT_SETXATTR, 0, "setxattr", "reqs");
816 lprocfs_counter_init(stats, LPROC_MDT_STATFS, 0, "statfs", "reqs");
817 lprocfs_counter_init(stats, LPROC_MDT_SYNC, 0, "sync", "reqs");
818 lprocfs_counter_init(stats, LPROC_MDT_SAMEDIR_RENAME, 0,
819 "samedir_rename", "reqs");
820 lprocfs_counter_init(stats, LPROC_MDT_CROSSDIR_RENAME, 0,
821 "crossdir_rename", "reqs");
824 int mdt_procfs_init(struct mdt_device *mdt, const char *name)
826 struct obd_device *obd = mdt2obd_dev(mdt);
830 LASSERT(name != NULL);
832 obd->obd_vars = lprocfs_mdt_obd_vars;
833 rc = lprocfs_obd_setup(obd);
835 CERROR("%s: cannot create proc entries: rc = %d\n",
836 mdt_obd_name(mdt), rc);
840 rc = hsm_cdt_procfs_init(mdt);
842 CERROR("%s: cannot create hsm proc entries: rc = %d\n",
843 mdt_obd_name(mdt), rc);
847 obd->obd_proc_exports_entry = proc_mkdir("exports",
848 obd->obd_proc_entry);
849 if (obd->obd_proc_exports_entry)
850 lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
851 obd, &mdt_nid_stats_clear_fops);
852 rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_LAST);
855 mdt_stats_counter_init(obd->obd_md_stats);
857 rc = lprocfs_job_stats_init(obd, LPROC_MDT_LAST,
858 mdt_stats_counter_init);
860 rc = lproc_mdt_attach_rename_seqstat(mdt);
862 CERROR("%s: MDT can not create rename stats rc = %d\n",
863 mdt_obd_name(mdt), rc);
868 void mdt_procfs_fini(struct mdt_device *mdt)
870 struct obd_device *obd = mdt2obd_dev(mdt);
872 if (obd->obd_proc_exports_entry != NULL) {
873 lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
874 obd->obd_proc_exports_entry = NULL;
877 lprocfs_free_per_client_stats(obd);
878 hsm_cdt_procfs_fini(mdt);
879 lprocfs_obd_cleanup(obd);
880 lprocfs_free_md_stats(obd);
881 lprocfs_free_obd_stats(obd);
882 lprocfs_job_stats_fini(obd);