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,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License version 2 for more details. A copy is
14 * included in the COPYING file that accompanied this code.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * Copyright (c) 2012, 2013, Intel Corporation.
26 * lustre/mdd/mdd_lfsck.c
28 * Top-level entry points into mdd module
30 * LFSCK controller, which scans the whole device through low layer
31 * iteration APIs, drives all lfsck compeonents, controls the speed.
33 * Author: Fan Yong <yong.fan@whamcloud.com>
37 # define EXPORT_SYMTAB
39 #define DEBUG_SUBSYSTEM S_MDS
41 #include <lustre/lustre_idl.h>
42 #include <lustre_fid.h>
43 #include <obd_support.h>
45 #include "mdd_internal.h"
46 #include "mdd_lfsck.h"
48 #define HALF_SEC (CFS_HZ >> 1)
49 #define LFSCK_CHECKPOINT_INTERVAL 60
51 #define LFSCK_NAMEENTRY_DEAD 1 /* The object has been unlinked. */
52 #define LFSCK_NAMEENTRY_REMOVED 2 /* The entry has been removed. */
53 #define LFSCK_NAMEENTRY_RECREATED 3 /* The entry has been recreated. */
55 const char lfsck_bookmark_name[] = "lfsck_bookmark";
56 const char lfsck_namespace_name[] = "lfsck_namespace";
58 static const char *lfsck_status_names[] = {
70 static const char *lfsck_flags_names[] = {
77 static const char *lfsck_param_names[] = {
85 static inline struct mdd_device *mdd_lfsck2mdd(struct md_lfsck *lfsck)
87 return container_of0(lfsck, struct mdd_device, mdd_lfsck);
90 static inline char *mdd_lfsck2name(struct md_lfsck *lfsck)
92 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
94 return mdd2obd_dev(mdd)->obd_name;
97 static inline void mdd_lfsck_component_get(struct lfsck_component *com)
99 atomic_inc(&com->lc_ref);
102 static inline void mdd_lfsck_component_put(const struct lu_env *env,
103 struct lfsck_component *com)
105 if (atomic_dec_and_test(&com->lc_ref)) {
106 if (com->lc_obj != NULL)
107 lu_object_put(env, &com->lc_obj->do_lu);
108 if (com->lc_file_ram != NULL)
109 OBD_FREE(com->lc_file_ram, com->lc_file_size);
110 if (com->lc_file_disk != NULL)
111 OBD_FREE(com->lc_file_disk, com->lc_file_size);
116 static inline struct lfsck_component *
117 __mdd_lfsck_component_find(struct md_lfsck *lfsck, __u16 type, cfs_list_t *list)
119 struct lfsck_component *com;
121 cfs_list_for_each_entry(com, list, lc_link) {
122 if (com->lc_type == type)
128 static struct lfsck_component *
129 mdd_lfsck_component_find(struct md_lfsck *lfsck, __u16 type)
131 struct lfsck_component *com;
133 spin_lock(&lfsck->ml_lock);
134 com = __mdd_lfsck_component_find(lfsck, type, &lfsck->ml_list_scan);
138 com = __mdd_lfsck_component_find(lfsck, type,
139 &lfsck->ml_list_double_scan);
143 com = __mdd_lfsck_component_find(lfsck, type, &lfsck->ml_list_idle);
147 mdd_lfsck_component_get(com);
148 spin_unlock(&lfsck->ml_lock);
152 static void mdd_lfsck_component_cleanup(const struct lu_env *env,
153 struct lfsck_component *com)
155 if (!cfs_list_empty(&com->lc_link))
156 cfs_list_del_init(&com->lc_link);
157 if (!cfs_list_empty(&com->lc_link_dir))
158 cfs_list_del_init(&com->lc_link_dir);
160 mdd_lfsck_component_put(env, com);
163 static int lfsck_bits_dump(char **buf, int *len, int bits, const char *names[],
171 rc = snprintf(*buf, *len, "%s:%c", prefix, bits != 0 ? ' ' : '\n');
177 for (i = 0, flag = 1; bits != 0; i++, flag = 1 << i) {
180 rc = snprintf(*buf, *len, "%s%c", names[i],
181 bits != 0 ? ',' : '\n');
192 static int lfsck_time_dump(char **buf, int *len, __u64 time, const char *prefix)
197 rc = snprintf(*buf, *len, "%s: "LPU64" seconds\n", prefix,
198 cfs_time_current_sec() - time);
200 rc = snprintf(*buf, *len, "%s: N/A\n", prefix);
209 static int lfsck_pos_dump(char **buf, int *len, struct lfsck_position *pos,
214 if (fid_is_zero(&pos->lp_dir_parent)) {
215 if (pos->lp_oit_cookie == 0)
216 rc = snprintf(*buf, *len, "%s: N/A, N/A, N/A\n",
219 rc = snprintf(*buf, *len, "%s: "LPU64", N/A, N/A\n",
220 prefix, pos->lp_oit_cookie);
222 rc = snprintf(*buf, *len, "%s: "LPU64", "DFID", "LPU64"\n",
223 prefix, pos->lp_oit_cookie,
224 PFID(&pos->lp_dir_parent), pos->lp_dir_cookie);
234 static void mdd_lfsck_pos_fill(const struct lu_env *env, struct md_lfsck *lfsck,
235 struct lfsck_position *pos, bool init)
237 const struct dt_it_ops *iops = &lfsck->ml_obj_oit->do_index_ops->dio_it;
239 spin_lock(&lfsck->ml_lock);
240 if (unlikely(lfsck->ml_di_oit == NULL)) {
241 spin_unlock(&lfsck->ml_lock);
242 memset(pos, 0, sizeof(*pos));
246 pos->lp_oit_cookie = iops->store(env, lfsck->ml_di_oit);
247 if (!lfsck->ml_current_oit_processed && !init)
248 pos->lp_oit_cookie--;
250 LASSERT(pos->lp_oit_cookie > 0);
252 if (lfsck->ml_di_dir != NULL) {
253 struct dt_object *dto = lfsck->ml_obj_dir;
255 pos->lp_dir_cookie = dto->do_index_ops->dio_it.store(env,
258 if (pos->lp_dir_cookie >= MDS_DIR_END_OFF) {
259 fid_zero(&pos->lp_dir_parent);
260 pos->lp_dir_cookie = 0;
262 pos->lp_dir_parent = *lu_object_fid(&dto->do_lu);
265 fid_zero(&pos->lp_dir_parent);
266 pos->lp_dir_cookie = 0;
268 spin_unlock(&lfsck->ml_lock);
271 static inline void mdd_lfsck_pos_set_zero(struct lfsck_position *pos)
273 memset(pos, 0, sizeof(*pos));
276 static inline int mdd_lfsck_pos_is_zero(const struct lfsck_position *pos)
278 return pos->lp_oit_cookie == 0 && fid_is_zero(&pos->lp_dir_parent);
281 static inline int mdd_lfsck_pos_is_eq(const struct lfsck_position *pos1,
282 const struct lfsck_position *pos2)
284 if (pos1->lp_oit_cookie < pos2->lp_oit_cookie)
287 if (pos1->lp_oit_cookie > pos2->lp_oit_cookie)
290 if (fid_is_zero(&pos1->lp_dir_parent) &&
291 !fid_is_zero(&pos2->lp_dir_parent))
294 if (!fid_is_zero(&pos1->lp_dir_parent) &&
295 fid_is_zero(&pos2->lp_dir_parent))
298 if (fid_is_zero(&pos1->lp_dir_parent) &&
299 fid_is_zero(&pos2->lp_dir_parent))
302 LASSERT(lu_fid_eq(&pos1->lp_dir_parent, &pos2->lp_dir_parent));
304 if (pos1->lp_dir_cookie < pos2->lp_dir_cookie)
307 if (pos1->lp_dir_cookie > pos2->lp_dir_cookie)
313 static void mdd_lfsck_close_dir(const struct lu_env *env,
314 struct md_lfsck *lfsck)
316 struct dt_object *dir_obj = lfsck->ml_obj_dir;
317 const struct dt_it_ops *dir_iops = &dir_obj->do_index_ops->dio_it;
318 struct dt_it *dir_di = lfsck->ml_di_dir;
320 spin_lock(&lfsck->ml_lock);
321 lfsck->ml_di_dir = NULL;
322 spin_unlock(&lfsck->ml_lock);
324 dir_iops->put(env, dir_di);
325 dir_iops->fini(env, dir_di);
326 lfsck->ml_obj_dir = NULL;
327 lu_object_put(env, &dir_obj->do_lu);
330 static void __mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit)
332 lfsck->ml_bookmark_ram.lb_speed_limit = limit;
333 if (limit != LFSCK_SPEED_NO_LIMIT) {
334 if (limit > CFS_HZ) {
335 lfsck->ml_sleep_rate = limit / CFS_HZ;
336 lfsck->ml_sleep_jif = 1;
338 lfsck->ml_sleep_rate = 1;
339 lfsck->ml_sleep_jif = CFS_HZ / limit;
342 lfsck->ml_sleep_jif = 0;
343 lfsck->ml_sleep_rate = 0;
347 static void mdd_lfsck_control_speed(struct md_lfsck *lfsck)
349 struct ptlrpc_thread *thread = &lfsck->ml_thread;
350 struct l_wait_info lwi;
352 if (lfsck->ml_sleep_jif > 0 &&
353 lfsck->ml_new_scanned >= lfsck->ml_sleep_rate) {
354 spin_lock(&lfsck->ml_lock);
355 if (likely(lfsck->ml_sleep_jif > 0 &&
356 lfsck->ml_new_scanned >= lfsck->ml_sleep_rate)) {
357 lwi = LWI_TIMEOUT_INTR(lfsck->ml_sleep_jif, NULL,
358 LWI_ON_SIGNAL_NOOP, NULL);
359 spin_unlock(&lfsck->ml_lock);
361 l_wait_event(thread->t_ctl_waitq,
362 !thread_is_running(thread),
364 lfsck->ml_new_scanned = 0;
366 spin_unlock(&lfsck->ml_lock);
371 /* lfsck_bookmark file ops */
373 static void inline mdd_lfsck_bookmark_to_cpu(struct lfsck_bookmark *des,
374 struct lfsck_bookmark *src)
376 des->lb_magic = le32_to_cpu(src->lb_magic);
377 des->lb_version = le16_to_cpu(src->lb_version);
378 des->lb_param = le16_to_cpu(src->lb_param);
379 des->lb_speed_limit = le32_to_cpu(src->lb_speed_limit);
382 static void inline mdd_lfsck_bookmark_to_le(struct lfsck_bookmark *des,
383 struct lfsck_bookmark *src)
385 des->lb_magic = cpu_to_le32(src->lb_magic);
386 des->lb_version = cpu_to_le16(src->lb_version);
387 des->lb_param = cpu_to_le16(src->lb_param);
388 des->lb_speed_limit = cpu_to_le32(src->lb_speed_limit);
391 static int mdd_lfsck_bookmark_load(const struct lu_env *env,
392 struct md_lfsck *lfsck)
395 int len = sizeof(struct lfsck_bookmark);
398 rc = dt_record_read(env, lfsck->ml_bookmark_obj,
399 mdd_buf_get(env, &lfsck->ml_bookmark_disk, len),
402 struct lfsck_bookmark *bm = &lfsck->ml_bookmark_ram;
404 mdd_lfsck_bookmark_to_cpu(bm, &lfsck->ml_bookmark_disk);
405 if (bm->lb_magic != LFSCK_BOOKMARK_MAGIC) {
406 CWARN("%.16s: invalid lfsck_bookmark magic "
407 "0x%x != 0x%x\n", mdd_lfsck2name(lfsck),
408 bm->lb_magic, LFSCK_BOOKMARK_MAGIC);
409 /* Process it as new lfsck_bookmark. */
413 if (rc == -EFAULT && pos == 0)
414 /* return -ENODATA for empty lfsck_bookmark. */
417 CERROR("%.16s: fail to load lfsck_bookmark, "
418 "expected = %d, rc = %d\n",
419 mdd_lfsck2name(lfsck), len, rc);
424 static int mdd_lfsck_bookmark_store(const struct lu_env *env,
425 struct md_lfsck *lfsck)
427 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
428 struct thandle *handle;
429 struct dt_object *obj = lfsck->ml_bookmark_obj;
431 int len = sizeof(struct lfsck_bookmark);
435 mdd_lfsck_bookmark_to_le(&lfsck->ml_bookmark_disk,
436 &lfsck->ml_bookmark_ram);
437 handle = dt_trans_create(env, mdd->mdd_bottom);
438 if (IS_ERR(handle)) {
439 rc = PTR_ERR(handle);
440 CERROR("%.16s: fail to create trans for storing "
441 "lfsck_bookmark: %d\n,", mdd_lfsck2name(lfsck), rc);
445 rc = dt_declare_record_write(env, obj, len, 0, handle);
447 CERROR("%.16s: fail to declare trans for storing "
448 "lfsck_bookmark: %d\n,", mdd_lfsck2name(lfsck), rc);
452 rc = dt_trans_start_local(env, mdd->mdd_bottom, handle);
454 CERROR("%.16s: fail to start trans for storing "
455 "lfsck_bookmark: %d\n,", mdd_lfsck2name(lfsck), rc);
459 rc = dt_record_write(env, obj,
460 mdd_buf_get(env, &lfsck->ml_bookmark_disk, len),
463 CERROR("%.16s: fail to store lfsck_bookmark, expected = %d, "
464 "rc = %d\n", mdd_lfsck2name(lfsck), len, rc);
469 dt_trans_stop(env, mdd->mdd_bottom, handle);
473 static int mdd_lfsck_bookmark_init(const struct lu_env *env,
474 struct md_lfsck *lfsck)
476 struct lfsck_bookmark *mb = &lfsck->ml_bookmark_ram;
479 memset(mb, 0, sizeof(*mb));
480 mb->lb_magic = LFSCK_BOOKMARK_MAGIC;
481 mb->lb_version = LFSCK_VERSION_V2;
482 mutex_lock(&lfsck->ml_mutex);
483 rc = mdd_lfsck_bookmark_store(env, lfsck);
484 mutex_unlock(&lfsck->ml_mutex);
488 /* lfsck_namespace file ops */
490 static void inline mdd_lfsck_position_to_cpu(struct lfsck_position *des,
491 struct lfsck_position *src)
493 des->lp_oit_cookie = le64_to_cpu(src->lp_oit_cookie);
494 fid_le_to_cpu(&des->lp_dir_parent, &src->lp_dir_parent);
495 des->lp_dir_cookie = le64_to_cpu(src->lp_dir_cookie);
498 static void inline mdd_lfsck_position_to_le(struct lfsck_position *des,
499 struct lfsck_position *src)
501 des->lp_oit_cookie = cpu_to_le64(src->lp_oit_cookie);
502 fid_cpu_to_le(&des->lp_dir_parent, &src->lp_dir_parent);
503 des->lp_dir_cookie = cpu_to_le64(src->lp_dir_cookie);
506 static void inline mdd_lfsck_namespace_to_cpu(struct lfsck_namespace *des,
507 struct lfsck_namespace *src)
509 des->ln_magic = le32_to_cpu(src->ln_magic);
510 des->ln_status = le32_to_cpu(src->ln_status);
511 des->ln_flags = le32_to_cpu(src->ln_flags);
512 des->ln_success_count = le32_to_cpu(src->ln_success_count);
513 des->ln_run_time_phase1 = le32_to_cpu(src->ln_run_time_phase1);
514 des->ln_run_time_phase2 = le32_to_cpu(src->ln_run_time_phase2);
515 des->ln_time_last_complete = le64_to_cpu(src->ln_time_last_complete);
516 des->ln_time_latest_start = le64_to_cpu(src->ln_time_latest_start);
517 des->ln_time_last_checkpoint =
518 le64_to_cpu(src->ln_time_last_checkpoint);
519 mdd_lfsck_position_to_cpu(&des->ln_pos_latest_start,
520 &src->ln_pos_latest_start);
521 mdd_lfsck_position_to_cpu(&des->ln_pos_last_checkpoint,
522 &src->ln_pos_last_checkpoint);
523 mdd_lfsck_position_to_cpu(&des->ln_pos_first_inconsistent,
524 &src->ln_pos_first_inconsistent);
525 des->ln_items_checked = le64_to_cpu(src->ln_items_checked);
526 des->ln_items_repaired = le64_to_cpu(src->ln_items_repaired);
527 des->ln_items_failed = le64_to_cpu(src->ln_items_failed);
528 des->ln_dirs_checked = le64_to_cpu(src->ln_dirs_checked);
529 des->ln_mlinked_checked = le64_to_cpu(src->ln_mlinked_checked);
530 des->ln_objs_checked_phase2 = le64_to_cpu(src->ln_objs_checked_phase2);
531 des->ln_objs_repaired_phase2 =
532 le64_to_cpu(src->ln_objs_repaired_phase2);
533 des->ln_objs_failed_phase2 = le64_to_cpu(src->ln_objs_failed_phase2);
534 des->ln_objs_nlink_repaired = le64_to_cpu(src->ln_objs_nlink_repaired);
535 des->ln_objs_lost_found = le64_to_cpu(src->ln_objs_lost_found);
536 fid_le_to_cpu(&des->ln_fid_latest_scanned_phase2,
537 &src->ln_fid_latest_scanned_phase2);
540 static void inline mdd_lfsck_namespace_to_le(struct lfsck_namespace *des,
541 struct lfsck_namespace *src)
543 des->ln_magic = cpu_to_le32(src->ln_magic);
544 des->ln_status = cpu_to_le32(src->ln_status);
545 des->ln_flags = cpu_to_le32(src->ln_flags);
546 des->ln_success_count = cpu_to_le32(src->ln_success_count);
547 des->ln_run_time_phase1 = cpu_to_le32(src->ln_run_time_phase1);
548 des->ln_run_time_phase2 = cpu_to_le32(src->ln_run_time_phase2);
549 des->ln_time_last_complete = cpu_to_le64(src->ln_time_last_complete);
550 des->ln_time_latest_start = cpu_to_le64(src->ln_time_latest_start);
551 des->ln_time_last_checkpoint =
552 cpu_to_le64(src->ln_time_last_checkpoint);
553 mdd_lfsck_position_to_le(&des->ln_pos_latest_start,
554 &src->ln_pos_latest_start);
555 mdd_lfsck_position_to_le(&des->ln_pos_last_checkpoint,
556 &src->ln_pos_last_checkpoint);
557 mdd_lfsck_position_to_le(&des->ln_pos_first_inconsistent,
558 &src->ln_pos_first_inconsistent);
559 des->ln_items_checked = cpu_to_le64(src->ln_items_checked);
560 des->ln_items_repaired = cpu_to_le64(src->ln_items_repaired);
561 des->ln_items_failed = cpu_to_le64(src->ln_items_failed);
562 des->ln_dirs_checked = cpu_to_le64(src->ln_dirs_checked);
563 des->ln_mlinked_checked = cpu_to_le64(src->ln_mlinked_checked);
564 des->ln_objs_checked_phase2 = cpu_to_le64(src->ln_objs_checked_phase2);
565 des->ln_objs_repaired_phase2 =
566 cpu_to_le64(src->ln_objs_repaired_phase2);
567 des->ln_objs_failed_phase2 = cpu_to_le64(src->ln_objs_failed_phase2);
568 des->ln_objs_nlink_repaired = cpu_to_le64(src->ln_objs_nlink_repaired);
569 des->ln_objs_lost_found = cpu_to_le64(src->ln_objs_lost_found);
570 fid_cpu_to_le(&des->ln_fid_latest_scanned_phase2,
571 &src->ln_fid_latest_scanned_phase2);
575 * \retval +ve: the lfsck_namespace is broken, the caller should reset it.
576 * \retval 0: succeed.
577 * \retval -ve: failed cases.
579 static int mdd_lfsck_namespace_load(const struct lu_env *env,
580 struct lfsck_component *com)
582 int len = com->lc_file_size;
585 rc = dt_xattr_get(env, com->lc_obj,
586 mdd_buf_get(env, com->lc_file_disk, len),
587 XATTR_NAME_LFSCK_NAMESPACE, BYPASS_CAPA);
589 struct lfsck_namespace *ns = com->lc_file_ram;
591 mdd_lfsck_namespace_to_cpu(ns,
592 (struct lfsck_namespace *)com->lc_file_disk);
593 if (ns->ln_magic != LFSCK_NAMESPACE_MAGIC) {
594 CWARN("%.16s: invalid lfsck_namespace magic "
596 mdd_lfsck2name(com->lc_lfsck),
597 ns->ln_magic, LFSCK_NAMESPACE_MAGIC);
602 } else if (rc != -ENODATA) {
603 CERROR("%.16s: fail to load lfsck_namespace, expected = %d, "
604 "rc = %d\n", mdd_lfsck2name(com->lc_lfsck), len, rc);
611 static int mdd_lfsck_namespace_store(const struct lu_env *env,
612 struct lfsck_component *com, bool init)
614 struct dt_object *obj = com->lc_obj;
615 struct md_lfsck *lfsck = com->lc_lfsck;
616 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
617 struct thandle *handle;
618 int len = com->lc_file_size;
622 mdd_lfsck_namespace_to_le((struct lfsck_namespace *)com->lc_file_disk,
623 (struct lfsck_namespace *)com->lc_file_ram);
624 handle = dt_trans_create(env, mdd->mdd_bottom);
625 if (IS_ERR(handle)) {
626 rc = PTR_ERR(handle);
627 CERROR("%.16s: fail to create trans for storing "
628 "lfsck_namespace: %d\n,", mdd_lfsck2name(lfsck), rc);
632 rc = dt_declare_xattr_set(env, obj,
633 mdd_buf_get(env, com->lc_file_disk, len),
634 XATTR_NAME_LFSCK_NAMESPACE, 0, handle);
636 CERROR("%.16s: fail to declare trans for storing "
637 "lfsck_namespace: %d\n,", mdd_lfsck2name(lfsck), rc);
641 rc = dt_trans_start_local(env, mdd->mdd_bottom, handle);
643 CERROR("%.16s: fail to start trans for storing "
644 "lfsck_namespace: %d\n,", mdd_lfsck2name(lfsck), rc);
648 rc = dt_xattr_set(env, obj,
649 mdd_buf_get(env, com->lc_file_disk, len),
650 XATTR_NAME_LFSCK_NAMESPACE,
651 init ? LU_XATTR_CREATE : LU_XATTR_REPLACE,
652 handle, BYPASS_CAPA);
654 CERROR("%.16s: fail to store lfsck_namespace, len = %d, "
655 "rc = %d\n", mdd_lfsck2name(lfsck), len, rc);
660 dt_trans_stop(env, mdd->mdd_bottom, handle);
664 static int mdd_lfsck_namespace_init(const struct lu_env *env,
665 struct lfsck_component *com)
667 struct lfsck_namespace *ns = (struct lfsck_namespace *)com->lc_file_ram;
670 memset(ns, 0, sizeof(*ns));
671 ns->ln_magic = LFSCK_NAMESPACE_MAGIC;
672 ns->ln_status = LS_INIT;
673 down_write(&com->lc_sem);
674 rc = mdd_lfsck_namespace_store(env, com, true);
675 up_write(&com->lc_sem);
679 static int mdd_lfsck_namespace_lookup(const struct lu_env *env,
680 struct lfsck_component *com,
681 const struct lu_fid *fid,
684 struct lu_fid *key = &mdd_env_info(env)->mti_fid;
687 fid_cpu_to_be(key, fid);
688 rc = dt_lookup(env, com->lc_obj, (struct dt_rec *)flags,
689 (const struct dt_key *)key, BYPASS_CAPA);
693 static int mdd_lfsck_namespace_delete(const struct lu_env *env,
694 struct lfsck_component *com,
695 const struct lu_fid *fid)
697 struct mdd_device *mdd = mdd_lfsck2mdd(com->lc_lfsck);
698 struct lu_fid *key = &mdd_env_info(env)->mti_fid;
699 struct thandle *handle;
700 struct dt_object *obj = com->lc_obj;
704 handle = dt_trans_create(env, mdd->mdd_bottom);
706 RETURN(PTR_ERR(handle));
708 rc = dt_declare_delete(env, obj, (const struct dt_key *)fid, handle);
712 rc = dt_trans_start_local(env, mdd->mdd_bottom, handle);
716 fid_cpu_to_be(key, fid);
717 rc = dt_delete(env, obj, (const struct dt_key *)key, handle,
723 dt_trans_stop(env, mdd->mdd_bottom, handle);
727 static int mdd_lfsck_namespace_update(const struct lu_env *env,
728 struct lfsck_component *com,
729 const struct lu_fid *fid,
730 __u8 flags, bool force)
732 struct mdd_device *mdd = mdd_lfsck2mdd(com->lc_lfsck);
733 struct lu_fid *key = &mdd_env_info(env)->mti_fid;
734 struct thandle *handle;
735 struct dt_object *obj = com->lc_obj;
741 rc = mdd_lfsck_namespace_lookup(env, com, fid, &tf);
742 if (rc != 0 && rc != -ENOENT)
746 if (!force || flags == tf)
750 handle = dt_trans_create(env, mdd->mdd_bottom);
752 RETURN(PTR_ERR(handle));
754 rc = dt_declare_delete(env, obj, (const struct dt_key *)fid,
759 handle = dt_trans_create(env, mdd->mdd_bottom);
761 RETURN(PTR_ERR(handle));
764 rc = dt_declare_insert(env, obj, (const struct dt_rec *)&flags,
765 (const struct dt_key *)fid, handle);
769 rc = dt_trans_start_local(env, mdd->mdd_bottom, handle);
773 fid_cpu_to_be(key, fid);
775 rc = dt_delete(env, obj, (const struct dt_key *)key, handle,
778 CERROR("%s: fail to insert "DFID", rc = %d\n",
779 mdd_lfsck2name(com->lc_lfsck), PFID(fid), rc);
784 rc = dt_insert(env, obj, (const struct dt_rec *)&flags,
785 (const struct dt_key *)key, handle, BYPASS_CAPA, 1);
790 dt_trans_stop(env, mdd->mdd_bottom, handle);
795 * \retval +ve repaired
796 * \retval 0 no need to repair
797 * \retval -ve error cases
799 static int mdd_lfsck_namespace_double_scan_one(const struct lu_env *env,
800 struct lfsck_component *com,
801 struct mdd_object *child,
804 struct mdd_thread_info *info = mdd_env_info(env);
805 struct lu_attr *la = &info->mti_la;
806 struct lu_name *cname = &info->mti_name;
807 struct lu_fid *pfid = &info->mti_fid;
808 struct lu_fid *cfid = &info->mti_fid2;
809 struct md_lfsck *lfsck = com->lc_lfsck;
810 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
811 struct lfsck_bookmark *bk = &lfsck->ml_bookmark_ram;
812 struct lfsck_namespace *ns =
813 (struct lfsck_namespace *)com->lc_file_ram;
814 struct linkea_data ldata = { 0 };
815 struct thandle *handle = NULL;
822 if (com->lc_journal) {
828 handle = mdd_trans_create(env, mdd);
830 RETURN(rc = PTR_ERR(handle));
832 rc = mdd_declare_links_add(env, child, handle, NULL);
836 rc = mdd_trans_start(env, mdd, handle);
840 mdd_write_lock(env, child, MOR_TGT_CHILD);
844 if (unlikely(mdd_is_dead_obj(child)))
847 rc = mdd_links_read(env, child, &ldata);
849 if ((bk->lb_param & LPF_DRYRUN) &&
850 (rc == -EINVAL || rc == -ENODATA))
856 rc = mdd_la_get(env, child, la, BYPASS_CAPA);
860 ldata.ld_lee = LINKEA_FIRST_ENTRY(ldata);
861 count = ldata.ld_leh->leh_reccount;
862 while (count-- > 0) {
863 struct mdd_object *parent = NULL;
864 struct dt_object *dir;
866 linkea_entry_unpack(ldata.ld_lee, &ldata.ld_reclen, cname,
868 if (!fid_is_sane(pfid))
871 parent = mdd_object_find(env, mdd, pfid);
874 else if (IS_ERR(parent))
875 GOTO(stop, rc = PTR_ERR(parent));
877 if (!mdd_object_exists(parent))
880 /* XXX: Currently, skip remote object, the consistency for
881 * remote object will be processed in LFSCK phase III. */
882 if (mdd_object_remote(parent)) {
883 mdd_object_put(env, parent);
884 ldata.ld_lee = LINKEA_NEXT_ENTRY(ldata);
888 dir = mdd_object_child(parent);
889 if (unlikely(!dt_try_as_dir(env, dir)))
892 /* To guarantee the 'name' is terminated with '0'. */
893 memcpy(info->mti_key, cname->ln_name, cname->ln_namelen);
894 info->mti_key[cname->ln_namelen] = 0;
895 cname->ln_name = info->mti_key;
896 rc = dt_lookup(env, dir, (struct dt_rec *)cfid,
897 (const struct dt_key *)cname->ln_name,
899 if (rc != 0 && rc != -ENOENT) {
900 mdd_object_put(env, parent);
905 if (lu_fid_eq(cfid, mdo2fid(child))) {
906 mdd_object_put(env, parent);
907 ldata.ld_lee = LINKEA_NEXT_ENTRY(ldata);
914 if (ldata.ld_leh->leh_reccount > la->la_nlink)
917 /* XXX: For the case of there is linkea entry, but without name
918 * entry pointing to the object, and the object link count
919 * isn't less than the count of name entries, then add the
920 * name entry back to namespace.
922 * It is out of LFSCK 1.5 scope, will implement it in the
923 * future. Keep the linkEA entry. */
924 mdd_object_put(env, parent);
925 ldata.ld_lee = LINKEA_NEXT_ENTRY(ldata);
930 mdd_object_put(env, parent);
931 if (bk->lb_param & LPF_DRYRUN)
934 CDEBUG(D_LFSCK, "Remove linkEA: "DFID"[%.*s], "DFID"\n",
935 PFID(mdo2fid(child)), cname->ln_namelen, cname->ln_name,
937 linkea_del_buf(&ldata, cname);
942 if (!com->lc_journal) {
947 rc = mdd_links_write(env, child, &ldata, handle);
954 mdd_write_unlock(env, child);
957 mdd_trans_stop(env, mdd, rc, handle);
959 if (rc == 0 && update) {
960 ns->ln_objs_nlink_repaired++;
968 static int mdd_lfsck_namespace_reset(const struct lu_env *env,
969 struct lfsck_component *com, bool init)
971 struct lfsck_namespace *ns = (struct lfsck_namespace *)com->lc_file_ram;
972 struct mdd_device *mdd = mdd_lfsck2mdd(com->lc_lfsck);
973 struct dt_object *dto, *root;
977 down_write(&com->lc_sem);
979 memset(ns, 0, sizeof(*ns));
981 __u32 count = ns->ln_success_count;
982 __u64 last_time = ns->ln_time_last_complete;
984 memset(ns, 0, sizeof(*ns));
985 ns->ln_success_count = count;
986 ns->ln_time_last_complete = last_time;
988 ns->ln_magic = LFSCK_NAMESPACE_MAGIC;
989 ns->ln_status = LS_INIT;
991 root = dt_locate(env, mdd->mdd_bottom, &mdd->mdd_local_root_fid);
992 if (unlikely(IS_ERR(root)))
993 GOTO(out, rc = PTR_ERR(root));
995 rc = local_object_unlink(env, mdd->mdd_bottom, root,
996 lfsck_namespace_name);
1000 dto = local_index_find_or_create(env, mdd->mdd_los, root,
1001 lfsck_namespace_name,
1002 S_IFREG | S_IRUGO | S_IWUSR,
1003 &dt_lfsck_features);
1005 GOTO(out, rc = PTR_ERR(dto));
1007 rc = dto->do_ops->do_index_try(env, dto, &dt_lfsck_features);
1012 rc = mdd_lfsck_namespace_store(env, com, true);
1016 lu_object_put(env, &root->do_lu);
1017 up_write(&com->lc_sem);
1022 mdd_lfsck_namespace_fail(const struct lu_env *env, struct lfsck_component *com,
1025 struct lfsck_namespace *ns = (struct lfsck_namespace *)com->lc_file_ram;
1027 down_write(&com->lc_sem);
1029 com->lc_new_checked++;
1030 ns->ln_items_failed++;
1031 if (mdd_lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent))
1032 mdd_lfsck_pos_fill(env, com->lc_lfsck,
1033 &ns->ln_pos_first_inconsistent, false);
1034 up_write(&com->lc_sem);
1037 static int mdd_lfsck_namespace_checkpoint(const struct lu_env *env,
1038 struct lfsck_component *com,
1041 struct md_lfsck *lfsck = com->lc_lfsck;
1042 struct lfsck_namespace *ns =
1043 (struct lfsck_namespace *)com->lc_file_ram;
1046 if (com->lc_new_checked == 0 && !init)
1049 down_write(&com->lc_sem);
1052 ns->ln_pos_latest_start = lfsck->ml_pos_current;
1054 ns->ln_pos_last_checkpoint = lfsck->ml_pos_current;
1055 ns->ln_run_time_phase1 += cfs_duration_sec(cfs_time_current() +
1056 HALF_SEC - lfsck->ml_time_last_checkpoint);
1057 ns->ln_time_last_checkpoint = cfs_time_current_sec();
1058 ns->ln_items_checked += com->lc_new_checked;
1059 com->lc_new_checked = 0;
1062 rc = mdd_lfsck_namespace_store(env, com, false);
1064 up_write(&com->lc_sem);
1068 static int mdd_lfsck_namespace_prep(const struct lu_env *env,
1069 struct lfsck_component *com)
1071 struct md_lfsck *lfsck = com->lc_lfsck;
1072 struct lfsck_namespace *ns =
1073 (struct lfsck_namespace *)com->lc_file_ram;
1074 struct lfsck_position *pos = &com->lc_pos_start;
1076 if (ns->ln_status == LS_COMPLETED) {
1079 rc = mdd_lfsck_namespace_reset(env, com, false);
1084 down_write(&com->lc_sem);
1086 ns->ln_time_latest_start = cfs_time_current_sec();
1088 spin_lock(&lfsck->ml_lock);
1089 if (ns->ln_flags & LF_SCANNED_ONCE) {
1090 if (!lfsck->ml_drop_dryrun ||
1091 mdd_lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent)) {
1092 ns->ln_status = LS_SCANNING_PHASE2;
1093 cfs_list_del_init(&com->lc_link);
1094 cfs_list_add_tail(&com->lc_link,
1095 &lfsck->ml_list_double_scan);
1096 if (!cfs_list_empty(&com->lc_link_dir))
1097 cfs_list_del_init(&com->lc_link_dir);
1098 mdd_lfsck_pos_set_zero(pos);
1100 ns->ln_status = LS_SCANNING_PHASE1;
1101 ns->ln_run_time_phase1 = 0;
1102 ns->ln_run_time_phase2 = 0;
1103 ns->ln_items_checked = 0;
1104 ns->ln_items_repaired = 0;
1105 ns->ln_items_failed = 0;
1106 ns->ln_dirs_checked = 0;
1107 ns->ln_mlinked_checked = 0;
1108 ns->ln_objs_checked_phase2 = 0;
1109 ns->ln_objs_repaired_phase2 = 0;
1110 ns->ln_objs_failed_phase2 = 0;
1111 ns->ln_objs_nlink_repaired = 0;
1112 ns->ln_objs_lost_found = 0;
1113 fid_zero(&ns->ln_fid_latest_scanned_phase2);
1114 if (cfs_list_empty(&com->lc_link_dir))
1115 cfs_list_add_tail(&com->lc_link_dir,
1116 &lfsck->ml_list_dir);
1117 *pos = ns->ln_pos_first_inconsistent;
1120 ns->ln_status = LS_SCANNING_PHASE1;
1121 if (cfs_list_empty(&com->lc_link_dir))
1122 cfs_list_add_tail(&com->lc_link_dir,
1123 &lfsck->ml_list_dir);
1124 if (!lfsck->ml_drop_dryrun ||
1125 mdd_lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent)) {
1126 *pos = ns->ln_pos_last_checkpoint;
1127 pos->lp_oit_cookie++;
1129 *pos = ns->ln_pos_first_inconsistent;
1132 spin_unlock(&lfsck->ml_lock);
1134 up_write(&com->lc_sem);
1138 static int mdd_lfsck_namespace_exec_oit(const struct lu_env *env,
1139 struct lfsck_component *com,
1140 struct mdd_object *obj)
1142 down_write(&com->lc_sem);
1143 com->lc_new_checked++;
1144 if (S_ISDIR(mdd_object_type(obj)))
1145 ((struct lfsck_namespace *)com->lc_file_ram)->ln_dirs_checked++;
1146 up_write(&com->lc_sem);
1150 static int mdd_declare_lfsck_namespace_exec_dir(const struct lu_env *env,
1151 struct mdd_object *obj,
1152 struct thandle *handle)
1156 /* For destroying all invalid linkEA entries. */
1157 rc = mdo_declare_xattr_del(env, obj, XATTR_NAME_LINK, handle);
1161 /* For insert new linkEA entry. */
1162 rc = mdd_declare_links_add(env, obj, handle, NULL);
1166 static int mdd_lfsck_namespace_check_exist(const struct lu_env *env,
1167 struct md_lfsck *lfsck,
1168 struct mdd_object *obj,
1171 struct dt_object *dir = lfsck->ml_obj_dir;
1172 struct lu_fid *fid = &mdd_env_info(env)->mti_fid;
1176 if (unlikely(mdd_is_dead_obj(obj)))
1177 RETURN(LFSCK_NAMEENTRY_DEAD);
1179 rc = dt_lookup(env, dir, (struct dt_rec *)fid,
1180 (const struct dt_key *)name, BYPASS_CAPA);
1182 RETURN(LFSCK_NAMEENTRY_REMOVED);
1187 if (!lu_fid_eq(fid, mdo2fid(obj)))
1188 RETURN(LFSCK_NAMEENTRY_RECREATED);
1193 static int mdd_lfsck_namespace_exec_dir(const struct lu_env *env,
1194 struct lfsck_component *com,
1195 struct mdd_object *obj,
1196 struct lu_dirent *ent)
1198 struct mdd_thread_info *info = mdd_env_info(env);
1199 struct lu_attr *la = &info->mti_la;
1200 struct md_lfsck *lfsck = com->lc_lfsck;
1201 struct lfsck_bookmark *bk = &lfsck->ml_bookmark_ram;
1202 struct lfsck_namespace *ns =
1203 (struct lfsck_namespace *)com->lc_file_ram;
1204 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
1205 struct linkea_data ldata = { 0 };
1206 const struct lu_fid *pfid =
1207 lu_object_fid(&lfsck->ml_obj_dir->do_lu);
1208 const struct lu_fid *cfid = mdo2fid(obj);
1209 const struct lu_name *cname;
1210 struct thandle *handle = NULL;
1211 bool repaired = false;
1212 bool locked = false;
1217 cname = mdd_name_get_const(env, ent->lde_name, ent->lde_namelen);
1218 down_write(&com->lc_sem);
1219 com->lc_new_checked++;
1221 if (ent->lde_attrs & LUDA_UPGRADE) {
1222 ns->ln_flags |= LF_UPGRADE;
1224 } else if (ent->lde_attrs & LUDA_REPAIR) {
1225 ns->ln_flags |= LF_INCONSISTENT;
1229 if (ent->lde_name[0] == '.' &&
1230 (ent->lde_namelen == 1 ||
1231 (ent->lde_namelen == 2 && ent->lde_name[1] == '.') ||
1232 fid_is_dot_lustre(&ent->lde_fid)))
1235 if (!(bk->lb_param & LPF_DRYRUN) &&
1236 (com->lc_journal || repaired)) {
1241 com->lc_journal = 1;
1242 handle = mdd_trans_create(env, mdd);
1244 GOTO(out, rc = PTR_ERR(handle));
1246 rc = mdd_declare_lfsck_namespace_exec_dir(env, obj, handle);
1250 rc = mdd_trans_start(env, mdd, handle);
1254 mdd_write_lock(env, obj, MOR_TGT_CHILD);
1258 rc = mdd_lfsck_namespace_check_exist(env, lfsck, obj, ent->lde_name);
1262 rc = mdd_links_read(env, obj, &ldata);
1264 count = ldata.ld_leh->leh_reccount;
1265 rc = linkea_links_find(&ldata, cname, pfid);
1267 /* For dir, if there are more than one linkea entries,
1268 * then remove all the other redundant linkea entries.*/
1269 if (unlikely(count > 1 &&
1270 S_ISDIR(mdd_object_type(obj))))
1277 ns->ln_flags |= LF_INCONSISTENT;
1278 if (bk->lb_param & LPF_DRYRUN) {
1283 /*For dir, remove the unmatched linkea entry directly.*/
1284 if (S_ISDIR(mdd_object_type(obj))) {
1285 if (!com->lc_journal)
1288 rc = mdo_xattr_del(env, obj, XATTR_NAME_LINK,
1289 handle, BYPASS_CAPA);
1298 } else if (unlikely(rc == -EINVAL)) {
1299 ns->ln_flags |= LF_INCONSISTENT;
1300 if (bk->lb_param & LPF_DRYRUN) {
1306 if (!com->lc_journal)
1309 /* The magic crashed, we are not sure whether there are more
1310 * corrupt data in the linkea, so remove all linkea entries. */
1311 rc = mdo_xattr_del(env, obj, XATTR_NAME_LINK, handle,
1317 } else if (rc == -ENODATA) {
1318 ns->ln_flags |= LF_UPGRADE;
1319 if (bk->lb_param & LPF_DRYRUN) {
1326 rc = linkea_data_new(&ldata, &mdd_env_info(env)->mti_link_buf);
1331 if (!com->lc_journal)
1334 rc = linkea_add_buf(&ldata, cname, pfid);
1338 rc = mdd_links_write(env, obj, &ldata, handle);
1342 count = ldata.ld_leh->leh_reccount;
1351 rc = mdd_la_get(env, obj, la, BYPASS_CAPA);
1356 (la->la_nlink == 1 || S_ISDIR(mdd_object_type(obj))))
1357 /* Usually, it is for single linked object or dir, do nothing.*/
1360 /* Following modification will be in another transaction. */
1361 if (handle != NULL) {
1362 LASSERT(mdd_write_locked(env, obj));
1364 mdd_write_unlock(env, obj);
1367 mdd_trans_stop(env, mdd, 0, handle);
1371 ns->ln_mlinked_checked++;
1372 rc = mdd_lfsck_namespace_update(env, com, cfid,
1373 count != la->la_nlink ? LLF_UNMATCH_NLINKS : 0, false);
1379 mdd_write_unlock(env, obj);
1382 mdd_trans_stop(env, mdd, rc, handle);
1386 ns->ln_items_failed++;
1387 if (mdd_lfsck_pos_is_zero(&ns->ln_pos_first_inconsistent))
1388 mdd_lfsck_pos_fill(env, lfsck,
1389 &ns->ln_pos_first_inconsistent,
1391 if (!(bk->lb_param & LPF_FAILOUT))
1395 ns->ln_items_repaired++;
1397 com->lc_journal = 0;
1400 up_write(&com->lc_sem);
1404 static int mdd_lfsck_namespace_post(const struct lu_env *env,
1405 struct lfsck_component *com,
1406 int result, bool init)
1408 struct md_lfsck *lfsck = com->lc_lfsck;
1409 struct lfsck_namespace *ns =
1410 (struct lfsck_namespace *)com->lc_file_ram;
1413 down_write(&com->lc_sem);
1415 spin_lock(&lfsck->ml_lock);
1417 ns->ln_pos_last_checkpoint = lfsck->ml_pos_current;
1419 ns->ln_status = LS_SCANNING_PHASE2;
1420 ns->ln_flags |= LF_SCANNED_ONCE;
1421 ns->ln_flags &= ~LF_UPGRADE;
1422 cfs_list_del_init(&com->lc_link);
1423 cfs_list_del_init(&com->lc_link_dir);
1424 cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_double_scan);
1425 } else if (result == 0) {
1426 if (lfsck->ml_paused) {
1427 ns->ln_status = LS_PAUSED;
1429 ns->ln_status = LS_STOPPED;
1430 cfs_list_del_init(&com->lc_link);
1431 cfs_list_del_init(&com->lc_link_dir);
1432 cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_idle);
1435 ns->ln_status = LS_FAILED;
1436 cfs_list_del_init(&com->lc_link);
1437 cfs_list_del_init(&com->lc_link_dir);
1438 cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_idle);
1440 spin_unlock(&lfsck->ml_lock);
1443 ns->ln_run_time_phase1 += cfs_duration_sec(cfs_time_current() +
1444 HALF_SEC - lfsck->ml_time_last_checkpoint);
1445 ns->ln_time_last_checkpoint = cfs_time_current_sec();
1446 ns->ln_items_checked += com->lc_new_checked;
1447 com->lc_new_checked = 0;
1450 rc = mdd_lfsck_namespace_store(env, com, false);
1452 up_write(&com->lc_sem);
1457 mdd_lfsck_namespace_dump(const struct lu_env *env, struct lfsck_component *com,
1460 struct md_lfsck *lfsck = com->lc_lfsck;
1461 struct lfsck_bookmark *bk = &lfsck->ml_bookmark_ram;
1462 struct lfsck_namespace *ns =
1463 (struct lfsck_namespace *)com->lc_file_ram;
1468 down_read(&com->lc_sem);
1469 rc = snprintf(buf, len,
1470 "name: lfsck_namespace\n"
1476 lfsck_status_names[ns->ln_status]);
1482 rc = lfsck_bits_dump(&buf, &len, ns->ln_flags, lfsck_flags_names,
1487 rc = lfsck_bits_dump(&buf, &len, bk->lb_param, lfsck_param_names,
1492 rc = lfsck_time_dump(&buf, &len, ns->ln_time_last_complete,
1493 "time_since_last_completed");
1497 rc = lfsck_time_dump(&buf, &len, ns->ln_time_latest_start,
1498 "time_since_latest_start");
1502 rc = lfsck_time_dump(&buf, &len, ns->ln_time_last_checkpoint,
1503 "time_since_last_checkpoint");
1507 rc = lfsck_pos_dump(&buf, &len, &ns->ln_pos_latest_start,
1508 "latest_start_position");
1512 rc = lfsck_pos_dump(&buf, &len, &ns->ln_pos_last_checkpoint,
1513 "last_checkpoint_position");
1517 rc = lfsck_pos_dump(&buf, &len, &ns->ln_pos_first_inconsistent,
1518 "first_failure_position");
1522 if (ns->ln_status == LS_SCANNING_PHASE1) {
1523 struct lfsck_position pos;
1524 cfs_duration_t duration = cfs_time_current() -
1525 lfsck->ml_time_last_checkpoint;
1526 __u64 checked = ns->ln_items_checked + com->lc_new_checked;
1527 __u64 speed = checked;
1528 __u64 new_checked = com->lc_new_checked * CFS_HZ;
1529 __u32 rtime = ns->ln_run_time_phase1 +
1530 cfs_duration_sec(duration + HALF_SEC);
1533 do_div(new_checked, duration);
1535 do_div(speed, rtime);
1536 rc = snprintf(buf, len,
1537 "checked_phase1: "LPU64"\n"
1538 "checked_phase2: "LPU64"\n"
1539 "updated_phase1: "LPU64"\n"
1540 "updated_phase2: "LPU64"\n"
1541 "failed_phase1: "LPU64"\n"
1542 "failed_phase2: "LPU64"\n"
1544 "M-linked: "LPU64"\n"
1545 "nlinks_repaired: "LPU64"\n"
1546 "lost_found: "LPU64"\n"
1547 "success_count: %u\n"
1548 "run_time_phase1: %u seconds\n"
1549 "run_time_phase2: %u seconds\n"
1550 "average_speed_phase1: "LPU64" items/sec\n"
1551 "average_speed_phase2: N/A\n"
1552 "real-time_speed_phase1: "LPU64" items/sec\n"
1553 "real-time_speed_phase2: N/A\n",
1555 ns->ln_objs_checked_phase2,
1556 ns->ln_items_repaired,
1557 ns->ln_objs_repaired_phase2,
1558 ns->ln_items_failed,
1559 ns->ln_objs_failed_phase2,
1560 ns->ln_dirs_checked,
1561 ns->ln_mlinked_checked,
1562 ns->ln_objs_nlink_repaired,
1563 ns->ln_objs_lost_found,
1564 ns->ln_success_count,
1566 ns->ln_run_time_phase2,
1574 mdd_lfsck_pos_fill(env, lfsck, &pos, false);
1575 rc = lfsck_pos_dump(&buf, &len, &pos, "current_position");
1578 } else if (ns->ln_status == LS_SCANNING_PHASE2) {
1579 cfs_duration_t duration = cfs_time_current() -
1580 lfsck->ml_time_last_checkpoint;
1581 __u64 checked = ns->ln_objs_checked_phase2 +
1582 com->lc_new_checked;
1583 __u64 speed1 = ns->ln_items_checked;
1584 __u64 speed2 = checked;
1585 __u64 new_checked = com->lc_new_checked * CFS_HZ;
1586 __u32 rtime = ns->ln_run_time_phase2 +
1587 cfs_duration_sec(duration + HALF_SEC);
1590 do_div(new_checked, duration);
1591 if (ns->ln_run_time_phase1 != 0)
1592 do_div(speed1, ns->ln_run_time_phase1);
1594 do_div(speed2, rtime);
1595 rc = snprintf(buf, len,
1596 "checked_phase1: "LPU64"\n"
1597 "checked_phase2: "LPU64"\n"
1598 "updated_phase1: "LPU64"\n"
1599 "updated_phase2: "LPU64"\n"
1600 "failed_phase1: "LPU64"\n"
1601 "failed_phase2: "LPU64"\n"
1603 "M-linked: "LPU64"\n"
1604 "nlinks_repaired: "LPU64"\n"
1605 "lost_found: "LPU64"\n"
1606 "success_count: %u\n"
1607 "run_time_phase1: %u seconds\n"
1608 "run_time_phase2: %u seconds\n"
1609 "average_speed_phase1: "LPU64" items/sec\n"
1610 "average_speed_phase2: "LPU64" objs/sec\n"
1611 "real-time_speed_phase1: N/A\n"
1612 "real-time_speed_phase2: "LPU64" objs/sec\n"
1613 "current_position: "DFID"\n",
1614 ns->ln_items_checked,
1616 ns->ln_items_repaired,
1617 ns->ln_objs_repaired_phase2,
1618 ns->ln_items_failed,
1619 ns->ln_objs_failed_phase2,
1620 ns->ln_dirs_checked,
1621 ns->ln_mlinked_checked,
1622 ns->ln_objs_nlink_repaired,
1623 ns->ln_objs_lost_found,
1624 ns->ln_success_count,
1625 ns->ln_run_time_phase1,
1630 PFID(&ns->ln_fid_latest_scanned_phase2));
1637 __u64 speed1 = ns->ln_items_checked;
1638 __u64 speed2 = ns->ln_objs_checked_phase2;
1640 if (ns->ln_run_time_phase1 != 0)
1641 do_div(speed1, ns->ln_run_time_phase1);
1642 if (ns->ln_run_time_phase2 != 0)
1643 do_div(speed2, ns->ln_run_time_phase2);
1644 rc = snprintf(buf, len,
1645 "checked_phase1: "LPU64"\n"
1646 "checked_phase2: "LPU64"\n"
1647 "updated_phase1: "LPU64"\n"
1648 "updated_phase2: "LPU64"\n"
1649 "failed_phase1: "LPU64"\n"
1650 "failed_phase2: "LPU64"\n"
1652 "M-linked: "LPU64"\n"
1653 "nlinks_repaired: "LPU64"\n"
1654 "lost_found: "LPU64"\n"
1655 "success_count: %u\n"
1656 "run_time_phase1: %u seconds\n"
1657 "run_time_phase2: %u seconds\n"
1658 "average_speed_phase1: "LPU64" items/sec\n"
1659 "average_speed_phase2: "LPU64" objs/sec\n"
1660 "real-time_speed_phase1: N/A\n"
1661 "real-time_speed_phase2: N/A\n"
1662 "current_position: N/A\n",
1663 ns->ln_items_checked,
1664 ns->ln_objs_checked_phase2,
1665 ns->ln_items_repaired,
1666 ns->ln_objs_repaired_phase2,
1667 ns->ln_items_failed,
1668 ns->ln_objs_failed_phase2,
1669 ns->ln_dirs_checked,
1670 ns->ln_mlinked_checked,
1671 ns->ln_objs_nlink_repaired,
1672 ns->ln_objs_lost_found,
1673 ns->ln_success_count,
1674 ns->ln_run_time_phase1,
1675 ns->ln_run_time_phase2,
1687 up_read(&com->lc_sem);
1691 static int mdd_lfsck_namespace_double_scan(const struct lu_env *env,
1692 struct lfsck_component *com)
1694 struct md_lfsck *lfsck = com->lc_lfsck;
1695 struct ptlrpc_thread *thread = &lfsck->ml_thread;
1696 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
1697 struct lfsck_bookmark *bk = &lfsck->ml_bookmark_ram;
1698 struct lfsck_namespace *ns =
1699 (struct lfsck_namespace *)com->lc_file_ram;
1700 struct dt_object *obj = com->lc_obj;
1701 const struct dt_it_ops *iops = &obj->do_index_ops->dio_it;
1702 struct mdd_object *target;
1710 lfsck->ml_new_scanned = 0;
1711 lfsck->ml_time_last_checkpoint = cfs_time_current();
1712 lfsck->ml_time_next_checkpoint = lfsck->ml_time_last_checkpoint +
1713 cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
1715 di = iops->init(env, obj, 0, BYPASS_CAPA);
1717 RETURN(PTR_ERR(di));
1719 fid_cpu_to_be(&fid, &ns->ln_fid_latest_scanned_phase2);
1720 rc = iops->get(env, di, (const struct dt_key *)&fid);
1724 /* Skip the start one, which either has been processed or non-exist. */
1725 rc = iops->next(env, di);
1729 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NO_DOUBLESCAN))
1733 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DELAY3) &&
1735 struct l_wait_info lwi;
1737 lwi = LWI_TIMEOUT(cfs_time_seconds(cfs_fail_val),
1739 l_wait_event(thread->t_ctl_waitq,
1740 !thread_is_running(thread),
1744 key = iops->key(env, di);
1745 fid_be_to_cpu(&fid, (const struct lu_fid *)key);
1746 target = mdd_object_find(env, mdd, &fid);
1747 down_write(&com->lc_sem);
1748 if (target == NULL) {
1751 } else if (IS_ERR(target)) {
1752 rc = PTR_ERR(target);
1756 /* XXX: Currently, skip remote object, the consistency for
1757 * remote object will be processed in LFSCK phase III. */
1758 if (!mdd_object_exists(target) || mdd_object_remote(target))
1761 rc = iops->rec(env, di, (struct dt_rec *)&flags, 0);
1763 rc = mdd_lfsck_namespace_double_scan_one(env, com,
1767 mdd_object_put(env, target);
1770 lfsck->ml_new_scanned++;
1771 com->lc_new_checked++;
1772 ns->ln_fid_latest_scanned_phase2 = fid;
1774 ns->ln_objs_repaired_phase2++;
1776 ns->ln_objs_failed_phase2++;
1777 up_write(&com->lc_sem);
1779 if ((rc == 0) || ((rc > 0) && !(bk->lb_param & LPF_DRYRUN))) {
1780 mdd_lfsck_namespace_delete(env, com, &fid);
1781 } else if (rc < 0) {
1782 flags |= LLF_REPAIR_FAILED;
1783 mdd_lfsck_namespace_update(env, com, &fid, flags, true);
1786 if (rc < 0 && bk->lb_param & LPF_FAILOUT)
1789 if (likely(cfs_time_beforeq(cfs_time_current(),
1790 lfsck->ml_time_next_checkpoint)) ||
1791 com->lc_new_checked == 0)
1794 down_write(&com->lc_sem);
1795 ns->ln_run_time_phase2 += cfs_duration_sec(cfs_time_current() +
1796 HALF_SEC - lfsck->ml_time_last_checkpoint);
1797 ns->ln_time_last_checkpoint = cfs_time_current_sec();
1798 ns->ln_objs_checked_phase2 += com->lc_new_checked;
1799 com->lc_new_checked = 0;
1800 rc = mdd_lfsck_namespace_store(env, com, false);
1801 up_write(&com->lc_sem);
1805 lfsck->ml_time_last_checkpoint = cfs_time_current();
1806 lfsck->ml_time_next_checkpoint = lfsck->ml_time_last_checkpoint +
1807 cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
1810 mdd_lfsck_control_speed(lfsck);
1811 if (unlikely(!thread_is_running(thread)))
1814 rc = iops->next(env, di);
1823 iops->fini(env, di);
1824 down_write(&com->lc_sem);
1826 ns->ln_run_time_phase2 += cfs_duration_sec(cfs_time_current() +
1827 HALF_SEC - lfsck->ml_time_last_checkpoint);
1828 ns->ln_time_last_checkpoint = cfs_time_current_sec();
1829 ns->ln_objs_checked_phase2 += com->lc_new_checked;
1830 com->lc_new_checked = 0;
1833 com->lc_journal = 0;
1834 ns->ln_status = LS_COMPLETED;
1835 if (!(bk->lb_param & LPF_DRYRUN))
1837 ~(LF_SCANNED_ONCE | LF_INCONSISTENT | LF_UPGRADE);
1838 ns->ln_time_last_complete = ns->ln_time_last_checkpoint;
1839 ns->ln_success_count++;
1840 } else if (rc == 0) {
1841 if (lfsck->ml_paused)
1842 ns->ln_status = LS_PAUSED;
1844 ns->ln_status = LS_STOPPED;
1846 ns->ln_status = LS_FAILED;
1849 if (ns->ln_status != LS_PAUSED) {
1850 spin_lock(&lfsck->ml_lock);
1851 cfs_list_del_init(&com->lc_link);
1852 cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_idle);
1853 spin_unlock(&lfsck->ml_lock);
1856 rc = mdd_lfsck_namespace_store(env, com, false);
1858 up_write(&com->lc_sem);
1862 static struct lfsck_operations mdd_lfsck_namespace_ops = {
1863 .lfsck_reset = mdd_lfsck_namespace_reset,
1864 .lfsck_fail = mdd_lfsck_namespace_fail,
1865 .lfsck_checkpoint = mdd_lfsck_namespace_checkpoint,
1866 .lfsck_prep = mdd_lfsck_namespace_prep,
1867 .lfsck_exec_oit = mdd_lfsck_namespace_exec_oit,
1868 .lfsck_exec_dir = mdd_lfsck_namespace_exec_dir,
1869 .lfsck_post = mdd_lfsck_namespace_post,
1870 .lfsck_dump = mdd_lfsck_namespace_dump,
1871 .lfsck_double_scan = mdd_lfsck_namespace_double_scan,
1874 /* LFSCK component setup/cleanup functions */
1876 static int mdd_lfsck_namespace_setup(const struct lu_env *env,
1877 struct md_lfsck *lfsck)
1879 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
1880 struct lfsck_component *com;
1881 struct lfsck_namespace *ns;
1882 struct dt_object *obj, *root;
1890 CFS_INIT_LIST_HEAD(&com->lc_link);
1891 CFS_INIT_LIST_HEAD(&com->lc_link_dir);
1892 init_rwsem(&com->lc_sem);
1893 atomic_set(&com->lc_ref, 1);
1894 com->lc_lfsck = lfsck;
1895 com->lc_type = LT_NAMESPACE;
1896 com->lc_ops = &mdd_lfsck_namespace_ops;
1897 com->lc_file_size = sizeof(struct lfsck_namespace);
1898 OBD_ALLOC(com->lc_file_ram, com->lc_file_size);
1899 if (com->lc_file_ram == NULL)
1900 GOTO(out, rc = -ENOMEM);
1902 OBD_ALLOC(com->lc_file_disk, com->lc_file_size);
1903 if (com->lc_file_disk == NULL)
1904 GOTO(out, rc = -ENOMEM);
1906 root = dt_locate(env, mdd->mdd_bottom, &mdd->mdd_local_root_fid);
1907 if (unlikely(IS_ERR(root)))
1908 GOTO(out, rc = PTR_ERR(root));
1910 obj = local_index_find_or_create(env, mdd->mdd_los, root,
1911 lfsck_namespace_name,
1912 S_IFREG | S_IRUGO | S_IWUSR,
1913 &dt_lfsck_features);
1914 lu_object_put(env, &root->do_lu);
1916 GOTO(out, rc = PTR_ERR(obj));
1919 rc = obj->do_ops->do_index_try(env, obj, &dt_lfsck_features);
1923 rc = mdd_lfsck_namespace_load(env, com);
1925 rc = mdd_lfsck_namespace_reset(env, com, true);
1926 else if (rc == -ENODATA)
1927 rc = mdd_lfsck_namespace_init(env, com);
1931 ns = (struct lfsck_namespace *)com->lc_file_ram;
1932 switch (ns->ln_status) {
1937 cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_idle);
1940 CERROR("%s: unknown status: %u\n",
1941 mdd_lfsck2name(lfsck), ns->ln_status);
1943 case LS_SCANNING_PHASE1:
1944 case LS_SCANNING_PHASE2:
1945 /* No need to store the status to disk right now.
1946 * If the system crashed before the status stored,
1947 * it will be loaded back when next time. */
1948 ns->ln_status = LS_CRASHED;
1952 cfs_list_add_tail(&com->lc_link, &lfsck->ml_list_scan);
1953 cfs_list_add_tail(&com->lc_link_dir, &lfsck->ml_list_dir);
1961 mdd_lfsck_component_cleanup(env, com);
1965 /* helper functions for framework */
1967 static int object_needs_lfsck(const struct lu_env *env, struct mdd_device *mdd,
1968 struct mdd_object *obj)
1970 struct lu_fid *fid = &mdd_env_info(env)->mti_fid;
1974 LASSERT(S_ISDIR(mdd_object_type(obj)));
1977 if (mdd_is_root(mdd, mdo2fid(obj))) {
1979 mdd_object_put(env, obj);
1983 /* .lustre doesn't contain "real" user objects, no need lfsck */
1984 if (fid_is_dot_lustre(mdo2fid(obj))) {
1986 mdd_object_put(env, obj);
1990 mdd_read_lock(env, obj, MOR_TGT_CHILD);
1991 if (unlikely(mdd_is_dead_obj(obj))) {
1992 mdd_read_unlock(env, obj);
1994 mdd_object_put(env, obj);
1998 rc = dt_xattr_get(env, mdd_object_child(obj),
1999 mdd_buf_get(env, NULL, 0), XATTR_NAME_LINK,
2001 mdd_read_unlock(env, obj);
2004 mdd_object_put(env, obj);
2008 if (rc < 0 && rc != -ENODATA) {
2010 mdd_object_put(env, obj);
2014 rc = mdd_parent_fid(env, obj, fid);
2016 mdd_object_put(env, obj);
2020 if (unlikely(lu_fid_eq(fid, &mdd->mdd_local_root_fid)))
2023 obj = mdd_object_find(env, mdd, fid);
2026 else if (IS_ERR(obj))
2027 return PTR_ERR(obj);
2029 if (!mdd_object_exists(obj)) {
2030 mdd_object_put(env, obj);
2034 /* Currently, only client visible directory can be remote. */
2035 if (mdd_object_remote(obj)) {
2036 mdd_object_put(env, obj);
2045 static void mdd_lfsck_unpack_ent(struct lu_dirent *ent)
2047 fid_le_to_cpu(&ent->lde_fid, &ent->lde_fid);
2048 ent->lde_hash = le64_to_cpu(ent->lde_hash);
2049 ent->lde_reclen = le16_to_cpu(ent->lde_reclen);
2050 ent->lde_namelen = le16_to_cpu(ent->lde_namelen);
2051 ent->lde_attrs = le32_to_cpu(ent->lde_attrs);
2053 /* Make sure the name is terminated with '0'.
2054 * The data (type) after ent::lde_name maybe
2055 * broken, but we do not care. */
2056 ent->lde_name[ent->lde_namelen] = 0;
2059 /* LFSCK wrap functions */
2061 static void mdd_lfsck_fail(const struct lu_env *env, struct md_lfsck *lfsck,
2064 struct lfsck_component *com;
2066 cfs_list_for_each_entry(com, &lfsck->ml_list_scan, lc_link) {
2067 com->lc_ops->lfsck_fail(env, com, new_checked);
2071 static int mdd_lfsck_checkpoint(const struct lu_env *env,
2072 struct md_lfsck *lfsck)
2074 struct lfsck_component *com;
2077 if (likely(cfs_time_beforeq(cfs_time_current(),
2078 lfsck->ml_time_next_checkpoint)))
2081 mdd_lfsck_pos_fill(env, lfsck, &lfsck->ml_pos_current, false);
2082 cfs_list_for_each_entry(com, &lfsck->ml_list_scan, lc_link) {
2083 rc = com->lc_ops->lfsck_checkpoint(env, com, false);
2088 lfsck->ml_time_last_checkpoint = cfs_time_current();
2089 lfsck->ml_time_next_checkpoint = lfsck->ml_time_last_checkpoint +
2090 cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
2094 static int mdd_lfsck_prep(struct lu_env *env, struct md_lfsck *lfsck)
2096 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
2097 struct mdd_object *obj = NULL;
2098 struct dt_object *dt_obj;
2099 struct lfsck_component *com;
2100 struct lfsck_component *next;
2101 struct lfsck_position *pos = NULL;
2102 const struct dt_it_ops *iops =
2103 &lfsck->ml_obj_oit->do_index_ops->dio_it;
2108 LASSERT(lfsck->ml_obj_dir == NULL);
2109 LASSERT(lfsck->ml_di_dir == NULL);
2111 lfsck->ml_current_oit_processed = 0;
2112 cfs_list_for_each_entry_safe(com, next, &lfsck->ml_list_scan, lc_link) {
2113 com->lc_new_checked = 0;
2114 if (lfsck->ml_bookmark_ram.lb_param & LPF_DRYRUN)
2115 com->lc_journal = 0;
2117 rc = com->lc_ops->lfsck_prep(env, com);
2121 if ((pos == NULL) ||
2122 (!mdd_lfsck_pos_is_zero(&com->lc_pos_start) &&
2123 mdd_lfsck_pos_is_eq(pos, &com->lc_pos_start) > 0))
2124 pos = &com->lc_pos_start;
2127 /* Init otable-based iterator. */
2129 rc = iops->load(env, lfsck->ml_di_oit, 0);
2131 lfsck->ml_oit_over = 1;
2138 rc = iops->load(env, lfsck->ml_di_oit, pos->lp_oit_cookie);
2142 lfsck->ml_oit_over = 1;
2144 if (fid_is_zero(&pos->lp_dir_parent))
2147 /* Find the directory for namespace-based traverse. */
2148 obj = mdd_object_find(env, mdd, &pos->lp_dir_parent);
2151 else if (IS_ERR(obj))
2152 RETURN(PTR_ERR(obj));
2154 /* XXX: Currently, skip remote object, the consistency for
2155 * remote object will be processed in LFSCK phase III. */
2156 if (!mdd_object_exists(obj) || mdd_object_remote(obj) ||
2157 unlikely(!S_ISDIR(mdd_object_type(obj))))
2160 if (unlikely(mdd_is_dead_obj(obj)))
2163 dt_obj = mdd_object_child(obj);
2164 if (unlikely(!dt_try_as_dir(env, dt_obj)))
2165 GOTO(out, rc = -ENOTDIR);
2167 /* Init the namespace-based directory traverse. */
2168 iops = &dt_obj->do_index_ops->dio_it;
2169 di = iops->init(env, dt_obj, lfsck->ml_args_dir, BYPASS_CAPA);
2171 GOTO(out, rc = PTR_ERR(di));
2173 LASSERT(pos->lp_dir_cookie < MDS_DIR_END_OFF);
2175 rc = iops->load(env, di, pos->lp_dir_cookie);
2176 if ((rc == 0) || (rc > 0 && pos->lp_dir_cookie > 0))
2177 rc = iops->next(env, di);
2183 iops->fini(env, di);
2187 lfsck->ml_obj_dir = dt_obj;
2188 spin_lock(&lfsck->ml_lock);
2189 lfsck->ml_di_dir = di;
2190 spin_unlock(&lfsck->ml_lock);
2197 mdd_object_put(env, obj);
2200 cfs_list_for_each_entry_safe(com, next, &lfsck->ml_list_scan,
2202 com->lc_ops->lfsck_post(env, com, rc, true);
2208 mdd_lfsck_pos_fill(env, lfsck, &lfsck->ml_pos_current, true);
2209 cfs_list_for_each_entry(com, &lfsck->ml_list_scan, lc_link) {
2210 rc = com->lc_ops->lfsck_checkpoint(env, com, true);
2215 lfsck->ml_time_last_checkpoint = cfs_time_current();
2216 lfsck->ml_time_next_checkpoint = lfsck->ml_time_last_checkpoint +
2217 cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
2221 static int mdd_lfsck_exec_oit(const struct lu_env *env, struct md_lfsck *lfsck,
2222 struct mdd_object *obj)
2224 struct lfsck_component *com;
2225 struct dt_object *dt_obj;
2226 const struct dt_it_ops *iops;
2231 LASSERT(lfsck->ml_obj_dir == NULL);
2233 cfs_list_for_each_entry(com, &lfsck->ml_list_scan, lc_link) {
2234 rc = com->lc_ops->lfsck_exec_oit(env, com, obj);
2239 if (!S_ISDIR(mdd_object_type(obj)) ||
2240 cfs_list_empty(&lfsck->ml_list_dir))
2243 rc = object_needs_lfsck(env, mdd_lfsck2mdd(lfsck), obj);
2247 if (unlikely(mdd_is_dead_obj(obj)))
2250 dt_obj = mdd_object_child(obj);
2251 if (unlikely(!dt_try_as_dir(env, dt_obj)))
2252 GOTO(out, rc = -ENOTDIR);
2254 iops = &dt_obj->do_index_ops->dio_it;
2255 di = iops->init(env, dt_obj, lfsck->ml_args_dir, BYPASS_CAPA);
2257 GOTO(out, rc = PTR_ERR(di));
2259 rc = iops->load(env, di, 0);
2261 rc = iops->next(env, di);
2267 iops->fini(env, di);
2271 mdd_object_get(obj);
2272 lfsck->ml_obj_dir = dt_obj;
2273 spin_lock(&lfsck->ml_lock);
2274 lfsck->ml_di_dir = di;
2275 spin_unlock(&lfsck->ml_lock);
2281 mdd_lfsck_fail(env, lfsck, false);
2282 return (rc > 0 ? 0 : rc);
2285 static int mdd_lfsck_exec_dir(const struct lu_env *env, struct md_lfsck *lfsck,
2286 struct mdd_object *obj, struct lu_dirent *ent)
2288 struct lfsck_component *com;
2291 cfs_list_for_each_entry(com, &lfsck->ml_list_scan, lc_link) {
2292 rc = com->lc_ops->lfsck_exec_dir(env, com, obj, ent);
2299 static int mdd_lfsck_post(const struct lu_env *env, struct md_lfsck *lfsck,
2302 struct lfsck_component *com;
2303 struct lfsck_component *next;
2306 mdd_lfsck_pos_fill(env, lfsck, &lfsck->ml_pos_current, false);
2307 cfs_list_for_each_entry_safe(com, next, &lfsck->ml_list_scan, lc_link) {
2308 rc = com->lc_ops->lfsck_post(env, com, result, false);
2313 lfsck->ml_time_last_checkpoint = cfs_time_current();
2314 lfsck->ml_time_next_checkpoint = lfsck->ml_time_last_checkpoint +
2315 cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
2319 static int mdd_lfsck_double_scan(const struct lu_env *env,
2320 struct md_lfsck *lfsck)
2322 struct lfsck_component *com;
2323 struct lfsck_component *next;
2326 cfs_list_for_each_entry_safe(com, next, &lfsck->ml_list_double_scan,
2328 if (lfsck->ml_bookmark_ram.lb_param & LPF_DRYRUN)
2329 com->lc_journal = 0;
2331 rc = com->lc_ops->lfsck_double_scan(env, com);
2340 static int mdd_lfsck_dir_engine(const struct lu_env *env,
2341 struct md_lfsck *lfsck)
2343 struct mdd_thread_info *info = mdd_env_info(env);
2344 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
2345 const struct dt_it_ops *iops =
2346 &lfsck->ml_obj_dir->do_index_ops->dio_it;
2347 struct dt_it *di = lfsck->ml_di_dir;
2348 struct lu_dirent *ent = &info->mti_ent;
2349 struct lu_fid *fid = &info->mti_fid;
2350 struct lfsck_bookmark *bk = &lfsck->ml_bookmark_ram;
2351 struct ptlrpc_thread *thread = &lfsck->ml_thread;
2356 struct mdd_object *child;
2358 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DELAY2) &&
2360 struct l_wait_info lwi;
2362 lwi = LWI_TIMEOUT(cfs_time_seconds(cfs_fail_val),
2364 l_wait_event(thread->t_ctl_waitq,
2365 !thread_is_running(thread),
2369 lfsck->ml_new_scanned++;
2370 rc = iops->rec(env, di, (struct dt_rec *)ent,
2371 lfsck->ml_args_dir);
2373 mdd_lfsck_fail(env, lfsck, true);
2374 if (bk->lb_param & LPF_FAILOUT)
2380 mdd_lfsck_unpack_ent(ent);
2381 if (ent->lde_attrs & LUDA_IGNORE)
2384 *fid = ent->lde_fid;
2385 child = mdd_object_find(env, mdd, fid);
2386 if (child == NULL) {
2388 } else if (IS_ERR(child)) {
2389 mdd_lfsck_fail(env, lfsck, true);
2390 if (bk->lb_param & LPF_FAILOUT)
2391 RETURN(PTR_ERR(child));
2396 /* XXX: Currently, skip remote object, the consistency for
2397 * remote object will be processed in LFSCK phase III. */
2398 if (mdd_object_exists(child) && !mdd_object_remote(child))
2399 rc = mdd_lfsck_exec_dir(env, lfsck, child, ent);
2400 mdd_object_put(env, child);
2401 if (rc != 0 && bk->lb_param & LPF_FAILOUT)
2405 rc = mdd_lfsck_checkpoint(env, lfsck);
2406 if (rc != 0 && bk->lb_param & LPF_FAILOUT)
2410 mdd_lfsck_control_speed(lfsck);
2411 if (unlikely(!thread_is_running(thread)))
2414 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_FATAL2)) {
2415 spin_lock(&lfsck->ml_lock);
2416 thread_set_flags(thread, SVC_STOPPING);
2417 spin_unlock(&lfsck->ml_lock);
2421 rc = iops->next(env, di);
2424 if (rc > 0 && !lfsck->ml_oit_over)
2425 mdd_lfsck_close_dir(env, lfsck);
2430 static int mdd_lfsck_oit_engine(const struct lu_env *env,
2431 struct md_lfsck *lfsck)
2433 struct mdd_thread_info *info = mdd_env_info(env);
2434 struct mdd_device *mdd = mdd_lfsck2mdd(lfsck);
2435 const struct dt_it_ops *iops =
2436 &lfsck->ml_obj_oit->do_index_ops->dio_it;
2437 struct dt_it *di = lfsck->ml_di_oit;
2438 struct lu_fid *fid = &info->mti_fid;
2439 struct lfsck_bookmark *bk = &lfsck->ml_bookmark_ram;
2440 struct ptlrpc_thread *thread = &lfsck->ml_thread;
2445 struct mdd_object *target;
2447 if (lfsck->ml_di_dir != NULL) {
2448 rc = mdd_lfsck_dir_engine(env, lfsck);
2453 if (unlikely(lfsck->ml_oit_over))
2456 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DELAY1) &&
2458 struct l_wait_info lwi;
2460 lwi = LWI_TIMEOUT(cfs_time_seconds(cfs_fail_val),
2462 l_wait_event(thread->t_ctl_waitq,
2463 !thread_is_running(thread),
2467 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_CRASH))
2470 lfsck->ml_current_oit_processed = 1;
2471 lfsck->ml_new_scanned++;
2472 rc = iops->rec(env, di, (struct dt_rec *)fid, 0);
2474 mdd_lfsck_fail(env, lfsck, true);
2475 if (bk->lb_param & LPF_FAILOUT)
2481 target = mdd_object_find(env, mdd, fid);
2482 if (target == NULL) {
2484 } else if (IS_ERR(target)) {
2485 mdd_lfsck_fail(env, lfsck, true);
2486 if (bk->lb_param & LPF_FAILOUT)
2487 RETURN(PTR_ERR(target));
2492 /* XXX: Currently, skip remote object, the consistency for
2493 * remote object will be processed in LFSCK phase III. */
2494 if (mdd_object_exists(target) && !mdd_object_remote(target))
2495 rc = mdd_lfsck_exec_oit(env, lfsck, target);
2496 mdd_object_put(env, target);
2497 if (rc != 0 && bk->lb_param & LPF_FAILOUT)
2501 rc = mdd_lfsck_checkpoint(env, lfsck);
2502 if (rc != 0 && bk->lb_param & LPF_FAILOUT)
2506 mdd_lfsck_control_speed(lfsck);
2508 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_FATAL1)) {
2509 spin_lock(&lfsck->ml_lock);
2510 thread_set_flags(thread, SVC_STOPPING);
2511 spin_unlock(&lfsck->ml_lock);
2515 rc = iops->next(env, di);
2516 if (unlikely(rc > 0))
2517 lfsck->ml_oit_over = 1;
2518 else if (likely(rc == 0))
2519 lfsck->ml_current_oit_processed = 0;
2521 if (unlikely(!thread_is_running(thread)))
2523 } while (rc == 0 || lfsck->ml_di_dir != NULL);
2528 static int mdd_lfsck_main(void *args)
2531 struct md_lfsck *lfsck = (struct md_lfsck *)args;
2532 struct ptlrpc_thread *thread = &lfsck->ml_thread;
2533 struct dt_object *oit_obj = lfsck->ml_obj_oit;
2534 const struct dt_it_ops *oit_iops = &oit_obj->do_index_ops->dio_it;
2535 struct dt_it *oit_di;
2539 cfs_daemonize("lfsck");
2540 rc = lu_env_init(&env, LCT_MD_THREAD | LCT_DT_THREAD);
2542 CERROR("%s: LFSCK, fail to init env, rc = %d\n",
2543 mdd_lfsck2name(lfsck), rc);
2547 oit_di = oit_iops->init(&env, oit_obj, lfsck->ml_args_oit, BYPASS_CAPA);
2548 if (IS_ERR(oit_di)) {
2549 rc = PTR_ERR(oit_di);
2550 CERROR("%s: LFSCK, fail to init iteration, rc = %d\n",
2551 mdd_lfsck2name(lfsck), rc);
2555 spin_lock(&lfsck->ml_lock);
2556 lfsck->ml_di_oit = oit_di;
2557 spin_unlock(&lfsck->ml_lock);
2558 rc = mdd_lfsck_prep(&env, lfsck);
2562 CDEBUG(D_LFSCK, "LFSCK entry: oit_flags = 0x%x, dir_flags = 0x%x, "
2563 "oit_cookie = "LPU64", dir_cookie = "LPU64", parent = "DFID
2564 ", pid = %d\n", lfsck->ml_args_oit, lfsck->ml_args_dir,
2565 lfsck->ml_pos_current.lp_oit_cookie,
2566 lfsck->ml_pos_current.lp_dir_cookie,
2567 PFID(&lfsck->ml_pos_current.lp_dir_parent),
2570 spin_lock(&lfsck->ml_lock);
2571 thread_set_flags(thread, SVC_RUNNING);
2572 spin_unlock(&lfsck->ml_lock);
2573 cfs_waitq_broadcast(&thread->t_ctl_waitq);
2575 if (!cfs_list_empty(&lfsck->ml_list_scan) ||
2576 cfs_list_empty(&lfsck->ml_list_double_scan))
2577 rc = mdd_lfsck_oit_engine(&env, lfsck);
2581 CDEBUG(D_LFSCK, "LFSCK exit: oit_flags = 0x%x, dir_flags = 0x%x, "
2582 "oit_cookie = "LPU64", dir_cookie = "LPU64", parent = "DFID
2583 ", pid = %d, rc = %d\n", lfsck->ml_args_oit, lfsck->ml_args_dir,
2584 lfsck->ml_pos_current.lp_oit_cookie,
2585 lfsck->ml_pos_current.lp_dir_cookie,
2586 PFID(&lfsck->ml_pos_current.lp_dir_parent),
2587 cfs_curproc_pid(), rc);
2589 if (lfsck->ml_paused && cfs_list_empty(&lfsck->ml_list_scan))
2590 oit_iops->put(&env, oit_di);
2592 if (!OBD_FAIL_CHECK(OBD_FAIL_LFSCK_CRASH))
2593 rc = mdd_lfsck_post(&env, lfsck, rc);
2594 if (lfsck->ml_di_dir != NULL)
2595 mdd_lfsck_close_dir(&env, lfsck);
2598 spin_lock(&lfsck->ml_lock);
2599 lfsck->ml_di_oit = NULL;
2600 spin_unlock(&lfsck->ml_lock);
2602 oit_iops->fini(&env, oit_di);
2604 if (!cfs_list_empty(&lfsck->ml_list_double_scan))
2605 rc = mdd_lfsck_double_scan(&env, lfsck);
2610 /* XXX: Purge the pinned objects in the future. */
2616 spin_lock(&lfsck->ml_lock);
2617 thread_set_flags(thread, SVC_STOPPED);
2618 cfs_waitq_broadcast(&thread->t_ctl_waitq);
2619 spin_unlock(&lfsck->ml_lock);
2623 /* external interfaces */
2625 int mdd_lfsck_set_speed(const struct lu_env *env, struct md_lfsck *lfsck,
2630 mutex_lock(&lfsck->ml_mutex);
2631 __mdd_lfsck_set_speed(lfsck, limit);
2632 rc = mdd_lfsck_bookmark_store(env, lfsck);
2633 mutex_unlock(&lfsck->ml_mutex);
2637 int mdd_lfsck_dump(const struct lu_env *env, struct md_lfsck *lfsck,
2638 __u16 type, char *buf, int len)
2640 struct lfsck_component *com;
2643 if (!lfsck->ml_initialized)
2646 com = mdd_lfsck_component_find(lfsck, type);
2650 rc = com->lc_ops->lfsck_dump(env, com, buf, len);
2651 mdd_lfsck_component_put(env, com);
2655 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
2656 struct lfsck_start *start)
2658 struct lfsck_bookmark *bk = &lfsck->ml_bookmark_ram;
2659 struct ptlrpc_thread *thread = &lfsck->ml_thread;
2660 struct lfsck_component *com;
2661 struct l_wait_info lwi = { 0 };
2668 if (lfsck->ml_obj_oit == NULL)
2671 /* start == NULL means auto trigger paused LFSCK. */
2672 if ((start == NULL) &&
2673 (cfs_list_empty(&lfsck->ml_list_scan) ||
2674 OBD_FAIL_CHECK(OBD_FAIL_LFSCK_NO_AUTO)))
2677 mutex_lock(&lfsck->ml_mutex);
2678 spin_lock(&lfsck->ml_lock);
2679 if (!thread_is_init(thread) && !thread_is_stopped(thread)) {
2680 spin_unlock(&lfsck->ml_lock);
2681 mutex_unlock(&lfsck->ml_mutex);
2685 spin_unlock(&lfsck->ml_lock);
2687 lfsck->ml_paused = 0;
2688 lfsck->ml_oit_over = 0;
2689 lfsck->ml_drop_dryrun = 0;
2690 lfsck->ml_new_scanned = 0;
2692 /* For auto trigger. */
2696 start->ls_version = bk->lb_version;
2697 if (start->ls_valid & LSV_SPEED_LIMIT) {
2698 __mdd_lfsck_set_speed(lfsck, start->ls_speed_limit);
2702 if (start->ls_valid & LSV_ERROR_HANDLE) {
2703 valid |= DOIV_ERROR_HANDLE;
2704 if (start->ls_flags & LPF_FAILOUT)
2705 flags |= DOIF_FAILOUT;
2707 if ((start->ls_flags & LPF_FAILOUT) &&
2708 !(bk->lb_param & LPF_FAILOUT)) {
2709 bk->lb_param |= LPF_FAILOUT;
2711 } else if (!(start->ls_flags & LPF_FAILOUT) &&
2712 (bk->lb_param & LPF_FAILOUT)) {
2713 bk->lb_param &= ~LPF_FAILOUT;
2718 if (start->ls_valid & LSV_DRYRUN) {
2719 if ((start->ls_flags & LPF_DRYRUN) &&
2720 !(bk->lb_param & LPF_DRYRUN)) {
2721 bk->lb_param |= LPF_DRYRUN;
2723 } else if (!(start->ls_flags & LPF_DRYRUN) &&
2724 (bk->lb_param & LPF_DRYRUN)) {
2725 bk->lb_param &= ~LPF_DRYRUN;
2726 lfsck->ml_drop_dryrun = 1;
2732 rc = mdd_lfsck_bookmark_store(env, lfsck);
2737 if (start->ls_flags & LPF_RESET)
2738 flags |= DOIF_RESET;
2740 if (start->ls_active != 0) {
2741 struct lfsck_component *next;
2744 if (start->ls_active == LFSCK_TYPES_ALL)
2745 start->ls_active = LFSCK_TYPES_SUPPORTED;
2747 if (start->ls_active & ~LFSCK_TYPES_SUPPORTED) {
2748 start->ls_active &= ~LFSCK_TYPES_SUPPORTED;
2749 GOTO(out, rc = -ENOTSUPP);
2752 cfs_list_for_each_entry_safe(com, next,
2753 &lfsck->ml_list_scan, lc_link) {
2754 if (!(com->lc_type & start->ls_active)) {
2755 rc = com->lc_ops->lfsck_post(env, com, 0,
2762 while (start->ls_active != 0) {
2763 if (type & start->ls_active) {
2764 com = __mdd_lfsck_component_find(lfsck, type,
2765 &lfsck->ml_list_idle);
2767 /* The component status will be updated
2768 * when its prep() is called later by
2769 * the LFSCK main engine. */
2770 cfs_list_del_init(&com->lc_link);
2771 cfs_list_add_tail(&com->lc_link,
2772 &lfsck->ml_list_scan);
2774 start->ls_active &= ~type;
2780 cfs_list_for_each_entry(com, &lfsck->ml_list_scan, lc_link) {
2781 start->ls_active |= com->lc_type;
2782 if (flags & DOIF_RESET) {
2783 rc = com->lc_ops->lfsck_reset(env, com, false);
2790 lfsck->ml_args_dir = LUDA_64BITHASH | LUDA_VERIFY;
2791 if (bk->lb_param & LPF_DRYRUN)
2792 lfsck->ml_args_dir |= LUDA_VERIFY_DRYRUN;
2794 if (bk->lb_param & LPF_FAILOUT) {
2795 valid |= DOIV_ERROR_HANDLE;
2796 flags |= DOIF_FAILOUT;
2799 if (!cfs_list_empty(&lfsck->ml_list_scan))
2800 flags |= DOIF_OUTUSED;
2802 lfsck->ml_args_oit = (flags << DT_OTABLE_IT_FLAGS_SHIFT) | valid;
2803 thread_set_flags(thread, 0);
2804 rc = cfs_create_thread(mdd_lfsck_main, lfsck, 0);
2806 CERROR("%s: cannot start LFSCK thread, rc = %d\n",
2807 mdd_lfsck2name(lfsck), rc);
2809 l_wait_event(thread->t_ctl_waitq,
2810 thread_is_running(thread) ||
2811 thread_is_stopped(thread),
2817 mutex_unlock(&lfsck->ml_mutex);
2818 return (rc < 0 ? rc : 0);
2821 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck,
2824 struct ptlrpc_thread *thread = &lfsck->ml_thread;
2825 struct l_wait_info lwi = { 0 };
2828 if (!lfsck->ml_initialized)
2831 mutex_lock(&lfsck->ml_mutex);
2832 spin_lock(&lfsck->ml_lock);
2833 if (thread_is_init(thread) || thread_is_stopped(thread)) {
2834 spin_unlock(&lfsck->ml_lock);
2835 mutex_unlock(&lfsck->ml_mutex);
2840 lfsck->ml_paused = 1;
2841 thread_set_flags(thread, SVC_STOPPING);
2842 /* The LFSCK thread may be sleeping on low layer wait queue,
2844 if (likely(lfsck->ml_di_oit != NULL))
2845 lfsck->ml_obj_oit->do_index_ops->dio_it.put(env,
2847 spin_unlock(&lfsck->ml_lock);
2849 cfs_waitq_broadcast(&thread->t_ctl_waitq);
2850 l_wait_event(thread->t_ctl_waitq,
2851 thread_is_stopped(thread),
2853 mutex_unlock(&lfsck->ml_mutex);
2858 static const struct lu_fid lfsck_it_fid = { .f_seq = FID_SEQ_LOCAL_FILE,
2859 .f_oid = OTABLE_IT_OID,
2862 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd)
2864 struct md_lfsck *lfsck = &mdd->mdd_lfsck;
2865 struct dt_object *obj;
2871 LASSERT(!lfsck->ml_initialized);
2873 lfsck->ml_initialized = 1;
2874 mutex_init(&lfsck->ml_mutex);
2875 spin_lock_init(&lfsck->ml_lock);
2876 CFS_INIT_LIST_HEAD(&lfsck->ml_list_scan);
2877 CFS_INIT_LIST_HEAD(&lfsck->ml_list_dir);
2878 CFS_INIT_LIST_HEAD(&lfsck->ml_list_double_scan);
2879 CFS_INIT_LIST_HEAD(&lfsck->ml_list_idle);
2880 cfs_waitq_init(&lfsck->ml_thread.t_ctl_waitq);
2882 obj = dt_locate(env, mdd->mdd_bottom, &lfsck_it_fid);
2884 RETURN(PTR_ERR(obj));
2886 lfsck->ml_obj_oit = obj;
2887 rc = obj->do_ops->do_index_try(env, obj, &dt_otable_features);
2889 if (rc == -ENOTSUPP)
2894 /* LFSCK bookmark */
2896 rc = mdd_local_file_create(env, mdd, &mdd->mdd_local_root_fid,
2897 lfsck_bookmark_name,
2898 S_IFREG | S_IRUGO | S_IWUSR, &fid);
2902 obj = dt_locate(env, mdd->mdd_bottom, &fid);
2904 GOTO(out, rc = PTR_ERR(obj));
2906 LASSERT(lu_object_exists(&obj->do_lu));
2907 lfsck->ml_bookmark_obj = obj;
2909 rc = mdd_lfsck_bookmark_load(env, lfsck);
2911 rc = mdd_lfsck_bookmark_init(env, lfsck);
2915 rc = mdd_lfsck_namespace_setup(env, lfsck);
2918 /* XXX: LFSCK components initialization to be added here. */
2921 lu_object_put(env, &lfsck->ml_obj_oit->do_lu);
2922 lfsck->ml_obj_oit = NULL;
2926 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd)
2928 struct md_lfsck *lfsck = &mdd->mdd_lfsck;
2929 struct ptlrpc_thread *thread = &lfsck->ml_thread;
2930 struct lfsck_component *com;
2932 if (!lfsck->ml_initialized)
2935 LASSERT(thread_is_init(thread) || thread_is_stopped(thread));
2937 if (lfsck->ml_obj_oit != NULL) {
2938 lu_object_put(env, &lfsck->ml_obj_oit->do_lu);
2939 lfsck->ml_obj_oit = NULL;
2942 LASSERT(lfsck->ml_obj_dir == NULL);
2944 if (lfsck->ml_bookmark_obj != NULL) {
2945 lu_object_put(env, &lfsck->ml_bookmark_obj->do_lu);
2946 lfsck->ml_bookmark_obj = NULL;
2949 while (!cfs_list_empty(&lfsck->ml_list_scan)) {
2950 com = cfs_list_entry(lfsck->ml_list_scan.next,
2951 struct lfsck_component,
2953 mdd_lfsck_component_cleanup(env, com);
2956 LASSERT(cfs_list_empty(&lfsck->ml_list_dir));
2958 while (!cfs_list_empty(&lfsck->ml_list_double_scan)) {
2959 com = cfs_list_entry(lfsck->ml_list_double_scan.next,
2960 struct lfsck_component,
2962 mdd_lfsck_component_cleanup(env, com);
2965 while (!cfs_list_empty(&lfsck->ml_list_idle)) {
2966 com = cfs_list_entry(lfsck->ml_list_idle.next,
2967 struct lfsck_component,
2969 mdd_lfsck_component_cleanup(env, com);