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
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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) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
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30 * Copyright (c) 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/ofd/lproc_ofd.c
39 #define DEBUG_SUBSYSTEM S_CLASS
42 #include <lprocfs_status.h>
43 #include <linux/seq_file.h>
45 #include "ofd_internal.h"
49 static int lprocfs_ofd_rd_seqs(char *page, char **start, off_t off,
50 int count, int *eof, void *data)
52 struct obd_device *obd = (struct obd_device *)data;
53 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
56 return snprintf(page, count, "%u\n", ofd->ofd_seq_count);
59 static int lprocfs_ofd_rd_tot_dirty(char *page, char **start, off_t off,
60 int count, int *eof, void *data)
62 struct obd_device *obd = (struct obd_device *)data;
63 struct ofd_device *ofd;
66 ofd = ofd_dev(obd->obd_lu_dev);
68 return snprintf(page, count, LPU64"\n", ofd->ofd_tot_dirty);
71 static int lprocfs_ofd_rd_tot_granted(char *page, char **start, off_t off,
72 int count, int *eof, void *data)
74 struct obd_device *obd = (struct obd_device *)data;
75 struct ofd_device *ofd;
78 ofd = ofd_dev(obd->obd_lu_dev);
80 return snprintf(page, count, LPU64"\n", ofd->ofd_tot_granted);
83 static int lprocfs_ofd_rd_tot_pending(char *page, char **start, off_t off,
84 int count, int *eof, void *data)
86 struct obd_device *obd = (struct obd_device *)data;
87 struct ofd_device *ofd;
90 ofd = ofd_dev(obd->obd_lu_dev);
92 return snprintf(page, count, LPU64"\n", ofd->ofd_tot_pending);
95 static int lprocfs_ofd_rd_grant_precreate(char *page, char **start, off_t off,
96 int count, int *eof, void *data)
98 struct obd_device *obd = (struct obd_device *)data;
100 LASSERT(obd != NULL);
102 return snprintf(page, count, "%ld\n",
103 obd->obd_self_export->exp_filter_data.fed_grant);
106 static int lprocfs_ofd_rd_grant_ratio(char *page, char **start, off_t off,
107 int count, int *eof, void *data)
109 struct obd_device *obd = (struct obd_device *)data;
110 struct ofd_device *ofd;
112 LASSERT(obd != NULL);
113 ofd = ofd_dev(obd->obd_lu_dev);
115 return snprintf(page, count, "%d%%\n",
116 (int) ofd_grant_reserved(ofd, 100));
119 static int lprocfs_ofd_wr_grant_ratio(struct file *file, const char *buffer,
120 unsigned long count, void *data)
122 struct obd_device *obd = (struct obd_device *)data;
123 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
127 rc = lprocfs_write_helper(buffer, count, &val);
131 if (val > 100 || val < 0)
135 CWARN("%s: disabling grant error margin\n", obd->obd_name);
137 CWARN("%s: setting grant error margin >50%%, be warned that "
138 "a huge part of the free space is now reserved for "
139 "grants\n", obd->obd_name);
141 spin_lock(&ofd->ofd_grant_lock);
142 ofd->ofd_grant_ratio = ofd_grant_ratio_conv(val);
143 spin_unlock(&ofd->ofd_grant_lock);
147 static int lprocfs_ofd_rd_precreate_batch(char *page, char **start, off_t off,
148 int count, int *eof, void *data)
150 struct obd_device *obd = (struct obd_device *)data;
151 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
153 LASSERT(obd != NULL);
155 return snprintf(page, count, "%d\n", ofd->ofd_precreate_batch);
158 static int lprocfs_ofd_wr_precreate_batch(struct file *file, const char *buffer,
159 unsigned long count, void *data)
161 struct obd_device *obd = (struct obd_device *)data;
162 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
166 rc = lprocfs_write_helper(buffer, count, &val);
173 spin_lock(&ofd->ofd_batch_lock);
174 ofd->ofd_precreate_batch = val;
175 spin_unlock(&ofd->ofd_batch_lock);
179 static int lprocfs_ofd_rd_last_id(char *page, char **start, off_t off,
180 int count, int *eof, void *data)
182 struct obd_device *obd = data;
183 struct ofd_device *ofd;
184 struct ofd_seq *oseq = NULL;
190 ofd = ofd_dev(obd->obd_lu_dev);
192 read_lock(&ofd->ofd_seq_list_lock);
193 cfs_list_for_each_entry(oseq, &ofd->ofd_seq_list, os_list) {
194 rc = snprintf(page, count, LPX64": "LPX64"\n",
195 oseq->os_seq, ofd_seq_last_oid(oseq));
204 read_unlock(&ofd->ofd_seq_list_lock);
208 int lprocfs_ofd_rd_fmd_max_num(char *page, char **start, off_t off,
209 int count, int *eof, void *data)
211 struct obd_device *obd = data;
212 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
215 rc = snprintf(page, count, "%u\n", ofd->ofd_fmd_max_num);
219 int lprocfs_ofd_wr_fmd_max_num(struct file *file, const char *buffer,
220 unsigned long count, void *data)
222 struct obd_device *obd = data;
223 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
227 rc = lprocfs_write_helper(buffer, count, &val);
231 if (val > 65536 || val < 1)
234 ofd->ofd_fmd_max_num = val;
238 int lprocfs_ofd_rd_fmd_max_age(char *page, char **start, off_t off,
239 int count, int *eof, void *data)
241 struct obd_device *obd = data;
242 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
245 rc = snprintf(page, count, "%ld\n", ofd->ofd_fmd_max_age / CFS_HZ);
249 int lprocfs_ofd_wr_fmd_max_age(struct file *file, const char *buffer,
250 unsigned long count, void *data)
252 struct obd_device *obd = data;
253 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
257 rc = lprocfs_write_helper(buffer, count, &val);
261 if (val > 65536 || val < 1)
264 ofd->ofd_fmd_max_age = val * CFS_HZ;
268 static int lprocfs_ofd_rd_capa(char *page, char **start, off_t off,
269 int count, int *eof, void *data)
271 struct obd_device *obd = data;
274 rc = snprintf(page, count, "capability on: %s\n",
275 obd->u.filter.fo_fl_oss_capa ? "oss" : "");
279 static int lprocfs_ofd_wr_capa(struct file *file, const char *buffer,
280 unsigned long count, void *data)
282 struct obd_device *obd = data;
285 rc = lprocfs_write_helper(buffer, count, &val);
290 CERROR("invalid capability mode, only 0/1 are accepted.\n"
291 " 1: enable oss fid capability\n"
292 " 0: disable oss fid capability\n");
296 obd->u.filter.fo_fl_oss_capa = val;
297 LCONSOLE_INFO("OSS %s %s fid capability.\n", obd->obd_name,
298 val ? "enabled" : "disabled");
302 static int lprocfs_ofd_rd_capa_count(char *page, char **start, off_t off,
303 int count, int *eof, void *data)
305 return snprintf(page, count, "%d %d\n",
306 capa_count[CAPA_SITE_CLIENT],
307 capa_count[CAPA_SITE_SERVER]);
310 int lprocfs_ofd_rd_degraded(char *page, char **start, off_t off,
311 int count, int *eof, void *data)
313 struct obd_device *obd = data;
314 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
316 return snprintf(page, count, "%u\n", ofd->ofd_raid_degraded);
319 int lprocfs_ofd_wr_degraded(struct file *file, const char *buffer,
320 unsigned long count, void *data)
322 struct obd_device *obd = data;
323 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
326 rc = lprocfs_write_helper(buffer, count, &val);
330 spin_lock(&ofd->ofd_flags_lock);
331 ofd->ofd_raid_degraded = !!val;
332 spin_unlock(&ofd->ofd_flags_lock);
337 int lprocfs_ofd_rd_fstype(char *page, char **start, off_t off, int count,
338 int *eof, void *data)
340 struct obd_device *obd = data;
341 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
344 LASSERT(ofd->ofd_osd);
345 d = &ofd->ofd_osd->dd_lu_dev;
347 return snprintf(page, count, "%s\n", d->ld_type->ldt_name);
350 int lprocfs_ofd_rd_syncjournal(char *page, char **start, off_t off,
351 int count, int *eof, void *data)
353 struct obd_device *obd = data;
354 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
357 rc = snprintf(page, count, "%u\n", ofd->ofd_syncjournal);
361 int lprocfs_ofd_wr_syncjournal(struct file *file, const char *buffer,
362 unsigned long count, void *data)
364 struct obd_device *obd = data;
365 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
369 rc = lprocfs_write_helper(buffer, count, &val);
376 spin_lock(&ofd->ofd_flags_lock);
377 ofd->ofd_syncjournal = !!val;
379 spin_unlock(&ofd->ofd_flags_lock);
384 static char *sync_on_cancel_states[] = {"never",
388 int lprocfs_ofd_rd_sync_lock_cancel(char *page, char **start, off_t off,
389 int count, int *eof, void *data)
391 struct obd_device *obd = data;
392 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
395 rc = snprintf(page, count, "%s\n",
396 sync_on_cancel_states[ofd->ofd_sync_lock_cancel]);
400 int lprocfs_ofd_wr_sync_lock_cancel(struct file *file, const char *buffer,
401 unsigned long count, void *data)
403 struct obd_device *obd = data;
404 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
408 for (i = 0 ; i < NUM_SYNC_ON_CANCEL_STATES; i++) {
409 if (memcmp(buffer, sync_on_cancel_states[i],
410 strlen(sync_on_cancel_states[i])) == 0) {
418 rc = lprocfs_write_helper(buffer, count, &val);
423 if (val < 0 || val > 2)
426 spin_lock(&ofd->ofd_flags_lock);
427 ofd->ofd_sync_lock_cancel = val;
428 spin_unlock(&ofd->ofd_flags_lock);
432 int lprocfs_ofd_rd_grant_compat_disable(char *page, char **start, off_t off,
433 int count, int *eof, void *data)
435 struct obd_device *obd = data;
436 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
439 rc = snprintf(page, count, "%u\n", ofd->ofd_grant_compat_disable);
443 int lprocfs_ofd_wr_grant_compat_disable(struct file *file, const char *buffer,
444 unsigned long count, void *data)
446 struct obd_device *obd = data;
447 struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev);
451 rc = lprocfs_write_helper(buffer, count, &val);
458 spin_lock(&ofd->ofd_flags_lock);
459 ofd->ofd_grant_compat_disable = !!val;
460 spin_unlock(&ofd->ofd_flags_lock);
465 static struct lprocfs_vars lprocfs_ofd_obd_vars[] = {
466 { "uuid", lprocfs_rd_uuid, 0, 0 },
467 { "blocksize", lprocfs_rd_blksize, 0, 0 },
468 { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
469 { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
470 { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
471 { "filestotal", lprocfs_rd_filestotal, 0, 0 },
472 { "filesfree", lprocfs_rd_filesfree, 0, 0 },
473 { "seqs_allocated", lprocfs_ofd_rd_seqs, 0, 0 },
474 { "fstype", lprocfs_ofd_rd_fstype, 0, 0 },
475 { "last_id", lprocfs_ofd_rd_last_id, 0, 0 },
476 { "tot_dirty", lprocfs_ofd_rd_tot_dirty, 0, 0 },
477 { "tot_pending", lprocfs_ofd_rd_tot_pending, 0, 0 },
478 { "tot_granted", lprocfs_ofd_rd_tot_granted, 0, 0 },
479 { "grant_precreate", lprocfs_ofd_rd_grant_precreate, 0, 0 },
480 { "grant_ratio", lprocfs_ofd_rd_grant_ratio,
481 lprocfs_ofd_wr_grant_ratio, 0, 0 },
482 { "precreate_batch", lprocfs_ofd_rd_precreate_batch,
483 lprocfs_ofd_wr_precreate_batch, 0 },
484 { "recovery_status", lprocfs_obd_rd_recovery_status, 0, 0 },
485 { "recovery_time_soft", lprocfs_obd_rd_recovery_time_soft,
486 lprocfs_obd_wr_recovery_time_soft, 0},
487 { "recovery_time_hard", lprocfs_obd_rd_recovery_time_hard,
488 lprocfs_obd_wr_recovery_time_hard, 0},
489 { "evict_client", 0, lprocfs_wr_evict_client, 0,
490 &lprocfs_evict_client_fops},
491 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
492 { "degraded", lprocfs_ofd_rd_degraded,
493 lprocfs_ofd_wr_degraded, 0},
494 { "sync_journal", lprocfs_ofd_rd_syncjournal,
495 lprocfs_ofd_wr_syncjournal, 0 },
496 { "sync_on_lock_cancel", lprocfs_ofd_rd_sync_lock_cancel,
497 lprocfs_ofd_wr_sync_lock_cancel, 0 },
498 { "instance", lprocfs_target_rd_instance, 0 },
499 { "ir_factor", lprocfs_obd_rd_ir_factor,
500 lprocfs_obd_wr_ir_factor, 0},
501 { "grant_compat_disable", lprocfs_ofd_rd_grant_compat_disable,
502 lprocfs_ofd_wr_grant_compat_disable, 0 },
503 { "client_cache_count", lprocfs_ofd_rd_fmd_max_num,
504 lprocfs_ofd_wr_fmd_max_num, 0 },
505 { "client_cache_seconds", lprocfs_ofd_rd_fmd_max_age,
506 lprocfs_ofd_wr_fmd_max_age, 0 },
507 { "capa", lprocfs_ofd_rd_capa,
508 lprocfs_ofd_wr_capa, 0 },
509 { "capa_count", lprocfs_ofd_rd_capa_count, 0, 0 },
510 { "job_cleanup_interval", lprocfs_rd_job_interval,
511 lprocfs_wr_job_interval, 0},
515 static struct lprocfs_vars lprocfs_ofd_module_vars[] = {
516 { "num_refs", lprocfs_rd_numrefs, 0, 0 },
520 void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars)
522 lvars->module_vars = lprocfs_ofd_module_vars;
523 lvars->obd_vars = lprocfs_ofd_obd_vars;
526 void ofd_stats_counter_init(struct lprocfs_stats *stats)
528 LASSERT(stats && stats->ls_num == LPROC_OFD_STATS_LAST);
529 lprocfs_counter_init(stats, LPROC_OFD_STATS_READ,
530 LPROCFS_CNTR_AVGMINMAX, "read", "bytes");
531 lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE,
532 LPROCFS_CNTR_AVGMINMAX, "write", "bytes");
533 lprocfs_counter_init(stats, LPROC_OFD_STATS_SETATTR,
534 0, "setattr", "reqs");
535 lprocfs_counter_init(stats, LPROC_OFD_STATS_PUNCH,
537 lprocfs_counter_init(stats, LPROC_OFD_STATS_SYNC,