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 seq_printf(m, "%u\n", mdt->mdt_identity_cache->uc_entry_expire);
225 mdt_identity_expire_seq_write(struct file *file, const char __user *buffer,
226 size_t count, loff_t *off)
228 struct seq_file *m = file->private_data;
229 struct obd_device *obd = m->private;
230 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
233 rc = lprocfs_write_helper(buffer, count, &val);
237 mdt->mdt_identity_cache->uc_entry_expire = val;
240 LPROC_SEQ_FOPS(mdt_identity_expire);
242 static int mdt_identity_acquire_expire_seq_show(struct seq_file *m, void *data)
244 struct obd_device *obd = m->private;
245 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
247 seq_printf(m, "%u\n", mdt->mdt_identity_cache->uc_acquire_expire);
252 mdt_identity_acquire_expire_seq_write(struct file *file,
253 const char __user *buffer,
254 size_t count, loff_t *off)
256 struct seq_file *m = file->private_data;
257 struct obd_device *obd = m->private;
258 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
261 rc = lprocfs_write_helper(buffer, count, &val);
265 mdt->mdt_identity_cache->uc_acquire_expire = val;
268 LPROC_SEQ_FOPS(mdt_identity_acquire_expire);
270 static int mdt_identity_upcall_seq_show(struct seq_file *m, void *data)
272 struct obd_device *obd = m->private;
273 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
274 struct upcall_cache *hash = mdt->mdt_identity_cache;
276 read_lock(&hash->uc_upcall_rwlock);
277 seq_printf(m, "%s\n", hash->uc_upcall);
278 read_unlock(&hash->uc_upcall_rwlock);
283 mdt_identity_upcall_seq_write(struct file *file, const char __user *buffer,
284 size_t count, loff_t *off)
286 struct seq_file *m = file->private_data;
287 struct obd_device *obd = m->private;
288 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
289 struct upcall_cache *hash = mdt->mdt_identity_cache;
293 if (count >= UC_CACHE_UPCALL_MAXPATH) {
294 CERROR("%s: identity upcall too long\n", mdt_obd_name(mdt));
297 OBD_ALLOC(kernbuf, count + 1);
299 GOTO(failed, rc = -ENOMEM);
300 if (copy_from_user(kernbuf, buffer, count))
301 GOTO(failed, rc = -EFAULT);
303 /* Remove any extraneous bits from the upcall (e.g. linefeeds) */
304 write_lock(&hash->uc_upcall_rwlock);
305 sscanf(kernbuf, "%s", hash->uc_upcall);
306 write_unlock(&hash->uc_upcall_rwlock);
308 if (strcmp(hash->uc_name, mdt_obd_name(mdt)) != 0)
309 CWARN("%s: write to upcall name %s\n",
310 mdt_obd_name(mdt), hash->uc_upcall);
312 if (strcmp(hash->uc_upcall, "NONE") == 0 && mdt->mdt_opts.mo_acl)
313 CWARN("%s: disable \"identity_upcall\" with ACL enabled maybe "
314 "cause unexpected \"EACCESS\"\n", mdt_obd_name(mdt));
316 CDEBUG(D_CONFIG, "%s: identity upcall set to %s\n", mdt_obd_name(mdt),
318 OBD_FREE(kernbuf, count + 1);
323 OBD_FREE(kernbuf, count + 1);
326 LPROC_SEQ_FOPS(mdt_identity_upcall);
329 lprocfs_identity_flush_seq_write(struct file *file, const char __user *buffer,
330 size_t count, void *data)
332 struct seq_file *m = file->private_data;
333 struct obd_device *obd = m->private;
334 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
337 rc = lprocfs_write_helper(buffer, count, &uid);
341 mdt_flush_identity(mdt->mdt_identity_cache, uid);
344 LPROC_SEQ_FOPS_WO_TYPE(mdt, identity_flush);
347 lprocfs_identity_info_seq_write(struct file *file, const char __user *buffer,
348 size_t count, void *data)
350 struct seq_file *m = file->private_data;
351 struct obd_device *obd = m->private;
352 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
353 struct identity_downcall_data *param;
354 int size = sizeof(*param), rc, checked = 0;
358 CERROR("%s: invalid data count = %lu, size = %d\n",
359 mdt_obd_name(mdt), (unsigned long) count, size);
363 OBD_ALLOC(param, size);
367 if (copy_from_user(param, buffer, size)) {
368 CERROR("%s: bad identity data\n", mdt_obd_name(mdt));
369 GOTO(out, rc = -EFAULT);
374 if (param->idd_magic != IDENTITY_DOWNCALL_MAGIC) {
375 CERROR("%s: MDS identity downcall bad params\n",
377 GOTO(out, rc = -EINVAL);
380 if (param->idd_nperms > N_PERMS_MAX) {
381 CERROR("%s: perm count %d more than maximum %d\n",
382 mdt_obd_name(mdt), param->idd_nperms,
384 GOTO(out, rc = -EINVAL);
387 if (param->idd_ngroups > NGROUPS_MAX) {
388 CERROR("%s: group count %d more than maximum %d\n",
389 mdt_obd_name(mdt), param->idd_ngroups,
391 GOTO(out, rc = -EINVAL);
394 if (param->idd_ngroups) {
395 rc = param->idd_ngroups; /* save idd_ngroups */
396 OBD_FREE(param, size);
397 size = offsetof(struct identity_downcall_data,
403 rc = upcall_cache_downcall(mdt->mdt_identity_cache, param->idd_err,
404 param->idd_uid, param);
408 OBD_FREE(param, size);
410 return rc ? rc : count;
412 LPROC_SEQ_FOPS_WO_TYPE(mdt, identity_info);
414 static int mdt_site_stats_seq_show(struct seq_file *m, void *data)
416 struct obd_device *obd = m->private;
417 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
419 return lu_site_stats_seq_print(mdt_lu_site(mdt), m);
421 LPROC_SEQ_FOPS_RO(mdt_site_stats);
423 #define BUFLEN (UUID_MAX + 4)
426 lprocfs_mds_evict_client_seq_write(struct file *file, const char __user *buf,
427 size_t count, loff_t *off)
429 struct seq_file *m = file->private_data;
430 struct obd_device *obd = m->private;
431 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
436 OBD_ALLOC(kbuf, BUFLEN);
441 * OBD_ALLOC() will zero kbuf, but we only copy BUFLEN - 1
442 * bytes into kbuf, to ensure that the string is NUL-terminated.
443 * UUID_MAX should include a trailing NUL already.
445 if (copy_from_user(kbuf, buf, min_t(unsigned long, BUFLEN - 1, count)))
446 GOTO(out, rc = -EFAULT);
447 tmpbuf = cfs_firststr(kbuf, min_t(unsigned long, BUFLEN - 1, count));
449 if (strncmp(tmpbuf, "nid:", 4) != 0) {
450 count = lprocfs_evict_client_seq_write(file, buf, count, off);
454 if (mdt->mdt_opts.mo_evict_tgt_nids) {
455 rc = obd_set_info_async(NULL, mdt->mdt_child_exp,
456 sizeof(KEY_EVICT_BY_NID),
458 strlen(tmpbuf + 4) + 1,
461 CERROR("Failed to evict nid %s from OSTs: rc %d\n",
465 /* See the comments in function lprocfs_wr_evict_client()
466 * in ptlrpc/lproc_ptlrpc.c for details. - jay */
467 class_incref(obd, __func__, current);
468 obd_export_evict_by_nid(obd, tmpbuf + 4);
469 class_decref(obd, __func__, current);
473 OBD_FREE(kbuf, BUFLEN);
474 return rc < 0 ? rc : count;
479 static int mdt_evict_tgt_nids_seq_show(struct seq_file *m, void *data)
481 struct obd_device *obd = m->private;
482 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
484 seq_printf(m, "%u\n", mdt->mdt_opts.mo_evict_tgt_nids);
489 mdt_evict_tgt_nids_seq_write(struct file *file, const char __user *buffer,
490 size_t count, loff_t *off)
492 struct seq_file *m = file->private_data;
493 struct obd_device *obd = m->private;
494 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
497 rc = lprocfs_write_helper(buffer, count, &val);
500 mdt->mdt_opts.mo_evict_tgt_nids = !!val;
503 LPROC_SEQ_FOPS(mdt_evict_tgt_nids);
506 static int mdt_sec_level_seq_show(struct seq_file *m, void *data)
508 struct obd_device *obd = m->private;
509 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
511 seq_printf(m, "%d\n", mdt->mdt_lut.lut_sec_level);
516 mdt_sec_level_seq_write(struct file *file, const char __user *buffer,
517 size_t count, loff_t *off)
519 struct seq_file *m = file->private_data;
520 struct obd_device *obd = m->private;
521 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
524 rc = lprocfs_write_helper(buffer, count, &val);
528 if (val > LUSTRE_SEC_ALL || val < LUSTRE_SEC_NONE)
531 if (val == LUSTRE_SEC_SPECIFY) {
532 CWARN("security level %d will be supported in future.\n",
537 mdt->mdt_lut.lut_sec_level = val;
540 LPROC_SEQ_FOPS(mdt_sec_level);
542 static int mdt_cos_seq_show(struct seq_file *m, void *data)
544 struct obd_device *obd = m->private;
545 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
547 seq_printf(m, "%u\n", mdt_cos_is_enabled(mdt));
552 mdt_cos_seq_write(struct file *file, const char __user *buffer,
553 size_t count, loff_t *off)
555 struct seq_file *m = file->private_data;
556 struct obd_device *obd = m->private;
557 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
560 rc = lprocfs_write_helper(buffer, count, &val);
563 mdt_enable_cos(mdt, val);
566 LPROC_SEQ_FOPS(mdt_cos);
568 static int mdt_root_squash_seq_show(struct seq_file *m, void *data)
570 struct obd_device *obd = m->private;
571 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
572 struct root_squash_info *squash = &mdt->mdt_squash;
574 seq_printf(m, "%u:%u\n", squash->rsi_uid,
580 mdt_root_squash_seq_write(struct file *file, const char __user *buffer,
581 size_t count, loff_t *off)
583 struct seq_file *m = file->private_data;
584 struct obd_device *obd = m->private;
585 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
586 struct root_squash_info *squash = &mdt->mdt_squash;
588 return lprocfs_wr_root_squash(buffer, count, squash,
591 LPROC_SEQ_FOPS(mdt_root_squash);
593 static int mdt_nosquash_nids_seq_show(struct seq_file *m, void *data)
595 struct obd_device *obd = m->private;
596 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
597 struct root_squash_info *squash = &mdt->mdt_squash;
600 down_read(&squash->rsi_sem);
601 if (!list_empty(&squash->rsi_nosquash_nids)) {
602 len = cfs_print_nidlist(m->buf + m->count, m->size - m->count,
603 &squash->rsi_nosquash_nids);
607 seq_puts(m, "NONE\n");
608 up_read(&squash->rsi_sem);
614 mdt_nosquash_nids_seq_write(struct file *file, const char __user *buffer,
615 size_t count, loff_t *off)
617 struct seq_file *m = file->private_data;
618 struct obd_device *obd = m->private;
619 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
620 struct root_squash_info *squash = &mdt->mdt_squash;
622 return lprocfs_wr_nosquash_nids(buffer, count, squash,
625 LPROC_SEQ_FOPS(mdt_nosquash_nids);
627 static int mdt_enable_remote_dir_seq_show(struct seq_file *m, void *data)
629 struct obd_device *obd = m->private;
630 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
632 seq_printf(m, "%u\n", mdt->mdt_enable_remote_dir);
637 mdt_enable_remote_dir_seq_write(struct file *file, const char __user *buffer,
638 size_t count, loff_t *off)
640 struct seq_file *m = file->private_data;
641 struct obd_device *obd = m->private;
642 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
646 rc = lprocfs_write_helper(buffer, count, &val);
653 mdt->mdt_enable_remote_dir = val;
656 LPROC_SEQ_FOPS(mdt_enable_remote_dir);
658 static int mdt_enable_remote_dir_gid_seq_show(struct seq_file *m, void *data)
660 struct obd_device *obd = m->private;
661 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
663 seq_printf(m, "%d\n",
664 (int)mdt->mdt_enable_remote_dir_gid);
669 mdt_enable_remote_dir_gid_seq_write(struct file *file,
670 const char __user *buffer,
671 size_t count, loff_t *off)
673 struct seq_file *m = file->private_data;
674 struct obd_device *obd = m->private;
675 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
679 rc = lprocfs_write_helper(buffer, count, &val);
683 mdt->mdt_enable_remote_dir_gid = val;
686 LPROC_SEQ_FOPS(mdt_enable_remote_dir_gid);
689 * Show MDT policy for handling dirty metadata under a lock being cancelled.
691 * \param[in] m seq_file handle
692 * \param[in] data unused for single entry
694 * \retval 0 on success
695 * \retval negative value on error
697 static int mdt_slc_seq_show(struct seq_file *m, void *data)
699 struct obd_device *obd = m->private;
700 struct lu_target *tgt = obd->u.obt.obt_lut;
701 char *slc_states[] = {"never", "blocking", "always" };
703 seq_printf(m, "%s\n", slc_states[tgt->lut_sync_lock_cancel]);
706 LPROC_SEQ_FOPS_RO(mdt_slc);
709 * Show MDT async commit count.
711 * \param[in] m seq_file handle
712 * \param[in] data unused for single entry
714 * \retval 0 on success
715 * \retval negative value on error
717 static int mdt_async_commit_count_seq_show(struct seq_file *m, void *data)
719 struct obd_device *obd = m->private;
720 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
722 seq_printf(m, "%d\n", atomic_read(&mdt->mdt_async_commit_count));
727 mdt_async_commit_count_seq_write(struct file *file, const char __user *buffer,
728 size_t count, loff_t *off)
730 struct seq_file *m = file->private_data;
731 struct obd_device *obd = m->private;
732 struct mdt_device *mdt = mdt_dev(obd->obd_lu_dev);
736 rc = lprocfs_write_helper(buffer, count, &val);
740 atomic_set(&mdt->mdt_async_commit_count, val);
744 LPROC_SEQ_FOPS(mdt_async_commit_count);
747 * Show MDT sync count.
749 * \param[in] m seq_file handle
750 * \param[in] data unused for single entry
752 * \retval 0 on success
753 * \retval negative value on error
755 static int mdt_sync_count_seq_show(struct seq_file *m, void *data)
757 struct obd_device *obd = m->private;
758 struct lu_target *tgt = obd->u.obt.obt_lut;
760 seq_printf(m, "%d\n", atomic_read(&tgt->lut_sync_count));
765 mdt_sync_count_seq_write(struct file *file, const char __user *buffer,
766 size_t count, loff_t *off)
768 struct seq_file *m = file->private_data;
769 struct obd_device *obd = m->private;
770 struct lu_target *tgt = obd->u.obt.obt_lut;
774 rc = lprocfs_write_helper(buffer, count, &val);
778 atomic_set(&tgt->lut_sync_count, val);
782 LPROC_SEQ_FOPS(mdt_sync_count);
785 LPROC_SEQ_FOPS_RO_TYPE(mdt, uuid);
786 LPROC_SEQ_FOPS_RO_TYPE(mdt, recovery_status);
787 LPROC_SEQ_FOPS_RO_TYPE(mdt, num_exports);
788 LPROC_SEQ_FOPS_RO_TYPE(mdt, target_instance);
789 LPROC_SEQ_FOPS_RO_TYPE(mdt, hash);
790 LPROC_SEQ_FOPS_WO_TYPE(mdt, mds_evict_client);
791 LPROC_SEQ_FOPS_RW_TYPE(mdt, job_interval);
792 LPROC_SEQ_FOPS_RW_TYPE(mdt, ir_factor);
793 LPROC_SEQ_FOPS_RW_TYPE(mdt, nid_stats_clear);
794 LPROC_SEQ_FOPS(mdt_hsm_cdt_control);
796 LPROC_SEQ_FOPS_RW_TYPE(mdt, recovery_time_hard);
797 LPROC_SEQ_FOPS_RW_TYPE(mdt, recovery_time_soft);
799 static struct lprocfs_vars lprocfs_mdt_obd_vars[] = {
801 .fops = &mdt_uuid_fops },
802 { .name = "recovery_status",
803 .fops = &mdt_recovery_status_fops },
804 { .name = "num_exports",
805 .fops = &mdt_num_exports_fops },
806 { .name = "identity_expire",
807 .fops = &mdt_identity_expire_fops },
808 { .name = "identity_acquire_expire",
809 .fops = &mdt_identity_acquire_expire_fops },
810 { .name = "identity_upcall",
811 .fops = &mdt_identity_upcall_fops },
812 { .name = "identity_flush",
813 .fops = &mdt_identity_flush_fops },
814 { .name = "identity_info",
815 .fops = &mdt_identity_info_fops },
816 { .name = "site_stats",
817 .fops = &mdt_site_stats_fops },
818 { .name = "evict_client",
819 .fops = &mdt_mds_evict_client_fops },
820 { .name = "evict_tgt_nids",
821 .fops = &mdt_evict_tgt_nids_fops },
822 { .name = "hash_stats",
823 .fops = &mdt_hash_fops },
824 { .name = "sec_level",
825 .fops = &mdt_sec_level_fops },
826 { .name = "commit_on_sharing",
827 .fops = &mdt_cos_fops },
828 { .name = "root_squash",
829 .fops = &mdt_root_squash_fops },
830 { .name = "nosquash_nids",
831 .fops = &mdt_nosquash_nids_fops },
832 { .name = "instance",
833 .fops = &mdt_target_instance_fops },
834 { .name = "ir_factor",
835 .fops = &mdt_ir_factor_fops },
836 { .name = "job_cleanup_interval",
837 .fops = &mdt_job_interval_fops },
838 { .name = "enable_remote_dir",
839 .fops = &mdt_enable_remote_dir_fops },
840 { .name = "enable_remote_dir_gid",
841 .fops = &mdt_enable_remote_dir_gid_fops },
842 { .name = "hsm_control",
843 .fops = &mdt_hsm_cdt_control_fops },
844 { .name = "recovery_time_hard",
845 .fops = &mdt_recovery_time_hard_fops },
846 { .name = "recovery_time_soft",
847 .fops = &mdt_recovery_time_soft_fops },
848 { .name = "sync_lock_cancel",
849 .fops = &mdt_slc_fops },
850 { .name = "async_commit_count",
851 .fops = &mdt_async_commit_count_fops },
852 { .name = "sync_count",
853 .fops = &mdt_sync_count_fops },
858 lprocfs_mdt_print_open_files(struct cfs_hash *hs, struct cfs_hash_bd *bd,
859 struct hlist_node *hnode, void *v)
861 struct obd_export *exp = cfs_hash_object(hs, hnode);
862 struct seq_file *seq = v;
864 if (exp->exp_lock_hash != NULL) {
865 struct mdt_export_data *med = &exp->exp_mdt_data;
866 struct mdt_file_data *mfd;
868 spin_lock(&med->med_open_lock);
869 list_for_each_entry(mfd, &med->med_open_head, mfd_list) {
870 seq_printf(seq, DFID"\n",
871 PFID(mdt_object_fid(mfd->mfd_object)));
873 spin_unlock(&med->med_open_lock);
879 static int lprocfs_mdt_open_files_seq_show(struct seq_file *seq, void *v)
881 struct nid_stat *stats = seq->private;
882 struct obd_device *obd = stats->nid_obd;
884 cfs_hash_for_each_key(obd->obd_nid_hash, &stats->nid,
885 lprocfs_mdt_print_open_files, seq);
890 int lprocfs_mdt_open_files_seq_open(struct inode *inode, struct file *file)
892 struct seq_file *seq;
895 rc = single_open(file, &lprocfs_mdt_open_files_seq_show, NULL);
899 seq = file->private_data;
900 seq->private = PDE_DATA(inode);
905 void mdt_counter_incr(struct ptlrpc_request *req, int opcode)
907 struct obd_export *exp = req->rq_export;
909 if (exp->exp_obd && exp->exp_obd->obd_md_stats)
910 lprocfs_counter_incr(exp->exp_obd->obd_md_stats, opcode);
911 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
912 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
913 if (exp->exp_obd && exp->exp_obd->u.obt.obt_jobstats.ojs_hash &&
914 (exp_connect_flags(exp) & OBD_CONNECT_JOBSTATS))
915 lprocfs_job_stats_log(exp->exp_obd,
916 lustre_msg_get_jobid(req->rq_reqmsg),
920 void mdt_stats_counter_init(struct lprocfs_stats *stats)
922 lprocfs_counter_init(stats, LPROC_MDT_OPEN, 0, "open", "reqs");
923 lprocfs_counter_init(stats, LPROC_MDT_CLOSE, 0, "close", "reqs");
924 lprocfs_counter_init(stats, LPROC_MDT_MKNOD, 0, "mknod", "reqs");
925 lprocfs_counter_init(stats, LPROC_MDT_LINK, 0, "link", "reqs");
926 lprocfs_counter_init(stats, LPROC_MDT_UNLINK, 0, "unlink", "reqs");
927 lprocfs_counter_init(stats, LPROC_MDT_MKDIR, 0, "mkdir", "reqs");
928 lprocfs_counter_init(stats, LPROC_MDT_RMDIR, 0, "rmdir", "reqs");
929 lprocfs_counter_init(stats, LPROC_MDT_RENAME, 0, "rename", "reqs");
930 lprocfs_counter_init(stats, LPROC_MDT_GETATTR, 0, "getattr", "reqs");
931 lprocfs_counter_init(stats, LPROC_MDT_SETATTR, 0, "setattr", "reqs");
932 lprocfs_counter_init(stats, LPROC_MDT_GETXATTR, 0, "getxattr", "reqs");
933 lprocfs_counter_init(stats, LPROC_MDT_SETXATTR, 0, "setxattr", "reqs");
934 lprocfs_counter_init(stats, LPROC_MDT_STATFS, 0, "statfs", "reqs");
935 lprocfs_counter_init(stats, LPROC_MDT_SYNC, 0, "sync", "reqs");
936 lprocfs_counter_init(stats, LPROC_MDT_SAMEDIR_RENAME, 0,
937 "samedir_rename", "reqs");
938 lprocfs_counter_init(stats, LPROC_MDT_CROSSDIR_RENAME, 0,
939 "crossdir_rename", "reqs");
942 int mdt_procfs_init(struct mdt_device *mdt, const char *name)
944 struct obd_device *obd = mdt2obd_dev(mdt);
948 LASSERT(name != NULL);
950 obd->obd_vars = lprocfs_mdt_obd_vars;
951 rc = lprocfs_obd_setup(obd);
953 CERROR("%s: cannot create proc entries: rc = %d\n",
954 mdt_obd_name(mdt), rc);
958 rc = hsm_cdt_procfs_init(mdt);
960 CERROR("%s: cannot create hsm proc entries: rc = %d\n",
961 mdt_obd_name(mdt), rc);
965 obd->obd_proc_exports_entry = proc_mkdir("exports",
966 obd->obd_proc_entry);
967 if (obd->obd_proc_exports_entry)
968 lprocfs_add_simple(obd->obd_proc_exports_entry, "clear",
969 obd, &mdt_nid_stats_clear_fops);
970 rc = lprocfs_alloc_md_stats(obd, LPROC_MDT_LAST);
973 mdt_stats_counter_init(obd->obd_md_stats);
975 rc = lprocfs_job_stats_init(obd, LPROC_MDT_LAST,
976 mdt_stats_counter_init);
978 rc = lproc_mdt_attach_rename_seqstat(mdt);
980 CERROR("%s: MDT can not create rename stats rc = %d\n",
981 mdt_obd_name(mdt), rc);
986 void mdt_procfs_fini(struct mdt_device *mdt)
988 struct obd_device *obd = mdt2obd_dev(mdt);
990 if (obd->obd_proc_exports_entry != NULL) {
991 lprocfs_remove_proc_entry("clear", obd->obd_proc_exports_entry);
992 obd->obd_proc_exports_entry = NULL;
995 lprocfs_free_per_client_stats(obd);
996 hsm_cdt_procfs_fini(mdt);
997 lprocfs_obd_cleanup(obd);
998 lprocfs_free_md_stats(obd);
999 lprocfs_free_obd_stats(obd);
1000 lprocfs_job_stats_fini(obd);