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) 2013, Intel Corporation.
26 * lustre/lfsck/lfsck_layout.c
28 * Author: Fan, Yong <fan.yong@intel.com>
32 # define EXPORT_SYMTAB
34 #define DEBUG_SUBSYSTEM S_LFSCK
36 #include <linux/bitops.h>
37 #include <linux/rbtree.h>
39 #include <lustre/lustre_idl.h>
40 #include <lu_object.h>
41 #include <dt_object.h>
42 #include <lustre_linkea.h>
43 #include <lustre_fid.h>
44 #include <lustre_lib.h>
45 #include <lustre_net.h>
46 #include <lustre/lustre_user.h>
47 #include <md_object.h>
48 #include <obd_class.h>
50 #include "lfsck_internal.h"
52 #define LFSCK_LAYOUT_MAGIC 0xB173AE14
54 static const char lfsck_layout_name[] = "lfsck_layout";
56 struct lfsck_layout_seq {
57 struct list_head lls_list;
60 __u64 lls_lastid_known;
61 struct dt_object *lls_lastid_obj;
62 unsigned int lls_dirty:1;
65 struct lfsck_layout_slave_target {
66 /* link into lfsck_layout_slave_data::llsd_master_list. */
67 struct list_head llst_list;
73 struct lfsck_layout_slave_data {
74 /* list for lfsck_layout_seq */
75 struct list_head llsd_seq_list;
77 /* list for the masters involve layout verification. */
78 struct list_head llsd_master_list;
81 struct dt_object *llsd_rb_obj;
82 struct rb_root llsd_rb_root;
83 rwlock_t llsd_rb_lock;
84 unsigned int llsd_rbtree_valid:1;
87 struct lfsck_layout_object {
88 struct dt_object *llo_obj;
89 struct lu_attr llo_attr;
94 struct lfsck_layout_req {
95 struct list_head llr_list;
96 struct lfsck_layout_object *llr_parent;
97 struct dt_object *llr_child;
99 __u32 llr_lov_idx; /* offset in LOV EA */
102 struct lfsck_layout_master_data {
103 spinlock_t llmd_lock;
104 struct list_head llmd_req_list;
106 /* list for the ost targets involve layout verification. */
107 struct list_head llmd_ost_list;
109 /* list for the ost targets in phase1 scanning. */
110 struct list_head llmd_ost_phase1_list;
112 /* list for the ost targets in phase1 scanning. */
113 struct list_head llmd_ost_phase2_list;
115 /* list for the mdt targets involve layout verification. */
116 struct list_head llmd_mdt_list;
118 /* list for the mdt targets in phase1 scanning. */
119 struct list_head llmd_mdt_phase1_list;
121 /* list for the mdt targets in phase1 scanning. */
122 struct list_head llmd_mdt_phase2_list;
124 struct ptlrpc_thread llmd_thread;
125 __u32 llmd_touch_gen;
127 int llmd_assistant_status;
128 int llmd_post_result;
129 unsigned int llmd_to_post:1,
130 llmd_to_double_scan:1,
131 llmd_in_double_scan:1,
135 struct lfsck_layout_slave_async_args {
136 struct obd_export *llsaa_exp;
137 struct lfsck_component *llsaa_com;
138 struct lfsck_layout_slave_target *llsaa_llst;
141 static struct lfsck_layout_object *
142 lfsck_layout_object_init(const struct lu_env *env, struct dt_object *obj,
145 struct lfsck_layout_object *llo;
150 return ERR_PTR(-ENOMEM);
152 rc = dt_attr_get(env, obj, &llo->llo_attr, BYPASS_CAPA);
159 lu_object_get(&obj->do_lu);
161 /* The gen can be used to check whether some others have changed the
162 * file layout after LFSCK pre-fetching but before real verification. */
164 atomic_set(&llo->llo_ref, 1);
170 lfsck_layout_llst_put(struct lfsck_layout_slave_target *llst)
172 if (atomic_dec_and_test(&llst->llst_ref)) {
173 LASSERT(list_empty(&llst->llst_list));
180 lfsck_layout_llst_add(struct lfsck_layout_slave_data *llsd, __u32 index)
182 struct lfsck_layout_slave_target *llst;
183 struct lfsck_layout_slave_target *tmp;
190 INIT_LIST_HEAD(&llst->llst_list);
192 llst->llst_index = index;
193 atomic_set(&llst->llst_ref, 1);
195 spin_lock(&llsd->llsd_lock);
196 list_for_each_entry(tmp, &llsd->llsd_master_list, llst_list) {
197 if (tmp->llst_index == index) {
203 list_add_tail(&llst->llst_list, &llsd->llsd_master_list);
204 spin_unlock(&llsd->llsd_lock);
213 lfsck_layout_llst_del(struct lfsck_layout_slave_data *llsd,
214 struct lfsck_layout_slave_target *llst)
218 spin_lock(&llsd->llsd_lock);
219 if (!list_empty(&llst->llst_list)) {
220 list_del_init(&llst->llst_list);
223 spin_unlock(&llsd->llsd_lock);
226 lfsck_layout_llst_put(llst);
229 static inline struct lfsck_layout_slave_target *
230 lfsck_layout_llst_find_and_del(struct lfsck_layout_slave_data *llsd,
233 struct lfsck_layout_slave_target *llst;
235 spin_lock(&llsd->llsd_lock);
236 list_for_each_entry(llst, &llsd->llsd_master_list, llst_list) {
237 if (llst->llst_index == index) {
238 list_del_init(&llst->llst_list);
239 spin_unlock(&llsd->llsd_lock);
244 spin_unlock(&llsd->llsd_lock);
249 static inline void lfsck_layout_object_put(const struct lu_env *env,
250 struct lfsck_layout_object *llo)
252 if (atomic_dec_and_test(&llo->llo_ref)) {
253 lfsck_object_put(env, llo->llo_obj);
258 static struct lfsck_layout_req *
259 lfsck_layout_req_init(struct lfsck_layout_object *parent,
260 struct dt_object *child, __u32 ost_idx, __u32 lov_idx)
262 struct lfsck_layout_req *llr;
266 return ERR_PTR(-ENOMEM);
268 INIT_LIST_HEAD(&llr->llr_list);
269 atomic_inc(&parent->llo_ref);
270 llr->llr_parent = parent;
271 llr->llr_child = child;
272 llr->llr_ost_idx = ost_idx;
273 llr->llr_lov_idx = lov_idx;
278 static inline void lfsck_layout_req_fini(const struct lu_env *env,
279 struct lfsck_layout_req *llr)
281 lu_object_put(env, &llr->llr_child->do_lu);
282 lfsck_layout_object_put(env, llr->llr_parent);
286 static inline bool lfsck_layout_req_empty(struct lfsck_layout_master_data *llmd)
290 spin_lock(&llmd->llmd_lock);
291 if (list_empty(&llmd->llmd_req_list))
293 spin_unlock(&llmd->llmd_lock);
298 static int lfsck_layout_get_lovea(const struct lu_env *env,
299 struct dt_object *obj,
300 struct lu_buf *buf, ssize_t *buflen)
305 rc = dt_xattr_get(env, obj, buf, XATTR_NAME_LOV, BYPASS_CAPA);
307 rc = dt_xattr_get(env, obj, &LU_BUF_NULL, XATTR_NAME_LOV,
312 lu_buf_realloc(buf, rc);
314 *buflen = buf->lb_len;
316 if (buf->lb_buf == NULL)
328 if (unlikely(buf->lb_buf == NULL)) {
329 lu_buf_alloc(buf, rc);
331 *buflen = buf->lb_len;
333 if (buf->lb_buf == NULL)
342 static int lfsck_layout_verify_header(struct lov_mds_md_v1 *lmm)
347 magic = le32_to_cpu(lmm->lmm_magic);
348 /* If magic crashed, keep it there. Sometime later, during OST-object
349 * orphan handling, if some OST-object(s) back-point to it, it can be
350 * verified and repaired. */
351 if (magic != LOV_MAGIC_V1 && magic != LOV_MAGIC_V3)
354 patten = le32_to_cpu(lmm->lmm_pattern);
355 /* XXX: currently, we only support LOV_PATTERN_RAID0. */
356 if (patten != LOV_PATTERN_RAID0)
362 #define LFSCK_RBTREE_BITMAP_SIZE PAGE_CACHE_SIZE
363 #define LFSCK_RBTREE_BITMAP_WIDTH (LFSCK_RBTREE_BITMAP_SIZE << 3)
364 #define LFSCK_RBTREE_BITMAP_MASK (LFSCK_RBTREE_BITMAP_SIZE - 1)
366 struct lfsck_rbtree_node {
367 struct rb_node lrn_node;
370 atomic_t lrn_known_count;
371 atomic_t lrn_accessed_count;
372 void *lrn_known_bitmap;
373 void *lrn_accessed_bitmap;
376 static inline int lfsck_rbtree_cmp(struct lfsck_rbtree_node *lrn,
377 __u64 seq, __u32 oid)
379 if (seq < lrn->lrn_seq)
382 if (seq > lrn->lrn_seq)
385 if (oid < lrn->lrn_first_oid)
388 if (oid >= lrn->lrn_first_oid + LFSCK_RBTREE_BITMAP_WIDTH)
394 /* The caller should hold lock. */
395 static struct lfsck_rbtree_node *
396 lfsck_rbtree_search(struct lfsck_layout_slave_data *llsd,
397 const struct lu_fid *fid)
399 struct rb_node *node = llsd->llsd_rb_root.rb_node;
400 struct lfsck_rbtree_node *lrn;
403 while (node != NULL) {
404 lrn = rb_entry(node, struct lfsck_rbtree_node, lrn_node);
405 rc = lfsck_rbtree_cmp(lrn, fid_seq(fid), fid_oid(fid));
407 node = node->rb_left;
409 node = node->rb_right;
417 static struct lfsck_rbtree_node *lfsck_rbtree_new(const struct lu_env *env,
418 const struct lu_fid *fid)
420 struct lfsck_rbtree_node *lrn;
424 return ERR_PTR(-ENOMEM);
426 OBD_ALLOC(lrn->lrn_known_bitmap, LFSCK_RBTREE_BITMAP_SIZE);
427 if (lrn->lrn_known_bitmap == NULL) {
430 return ERR_PTR(-ENOMEM);
433 OBD_ALLOC(lrn->lrn_accessed_bitmap, LFSCK_RBTREE_BITMAP_SIZE);
434 if (lrn->lrn_accessed_bitmap == NULL) {
435 OBD_FREE(lrn->lrn_known_bitmap, LFSCK_RBTREE_BITMAP_SIZE);
438 return ERR_PTR(-ENOMEM);
441 rb_init_node(&lrn->lrn_node);
442 lrn->lrn_seq = fid_seq(fid);
443 lrn->lrn_first_oid = fid_oid(fid) & ~LFSCK_RBTREE_BITMAP_MASK;
444 atomic_set(&lrn->lrn_known_count, 0);
445 atomic_set(&lrn->lrn_accessed_count, 0);
450 static void lfsck_rbtree_free(struct lfsck_rbtree_node *lrn)
452 OBD_FREE(lrn->lrn_accessed_bitmap, LFSCK_RBTREE_BITMAP_SIZE);
453 OBD_FREE(lrn->lrn_known_bitmap, LFSCK_RBTREE_BITMAP_SIZE);
457 /* The caller should hold lock. */
458 static struct lfsck_rbtree_node *
459 lfsck_rbtree_insert(struct lfsck_layout_slave_data *llsd,
460 struct lfsck_rbtree_node *lrn)
462 struct rb_node **pos = &(llsd->llsd_rb_root.rb_node);
463 struct rb_node *parent = NULL;
464 struct lfsck_rbtree_node *tmp;
469 tmp = rb_entry(*pos, struct lfsck_rbtree_node, lrn_node);
470 rc = lfsck_rbtree_cmp(tmp, lrn->lrn_seq, lrn->lrn_first_oid);
472 pos = &((*pos)->rb_left);
474 pos = &((*pos)->rb_right);
479 rb_link_node(&lrn->lrn_node, parent, pos);
480 rb_insert_color(&lrn->lrn_node, &llsd->llsd_rb_root);
485 static int lfsck_rbtree_setup(const struct lu_env *env,
486 struct lfsck_component *com)
488 struct lu_fid *fid = &lfsck_env_info(env)->lti_fid;
489 struct lfsck_instance *lfsck = com->lc_lfsck;
490 struct dt_device *dev = lfsck->li_bottom;
491 struct lfsck_layout_slave_data *llsd = com->lc_data;
492 struct dt_object *obj;
494 fid->f_seq = FID_SEQ_LAYOUT_RBTREE;
495 fid->f_oid = lfsck_dev_idx(dev);
497 obj = dt_locate(env, dev, fid);
499 RETURN(PTR_ERR(obj));
501 /* XXX: Generate an in-RAM object to stand for the layout rbtree.
502 * Scanning the layout rbtree will be via the iteration over
503 * the object. In the future, the rbtree may be written onto
504 * disk with the object.
506 * Mark the object to be as exist. */
507 obj->do_lu.lo_header->loh_attr |= LOHA_EXISTS;
508 llsd->llsd_rb_obj = obj;
509 llsd->llsd_rbtree_valid = 1;
510 dev->dd_record_fid_accessed = 1;
515 static void lfsck_rbtree_cleanup(const struct lu_env *env,
516 struct lfsck_component *com)
518 struct lfsck_instance *lfsck = com->lc_lfsck;
519 struct lfsck_layout_slave_data *llsd = com->lc_data;
520 struct rb_node *node = rb_first(&llsd->llsd_rb_root);
521 struct rb_node *next;
522 struct lfsck_rbtree_node *lrn;
524 lfsck->li_bottom->dd_record_fid_accessed = 0;
525 /* Invalid the rbtree, then no others will use it. */
526 write_lock(&llsd->llsd_rb_lock);
527 llsd->llsd_rbtree_valid = 0;
528 write_unlock(&llsd->llsd_rb_lock);
530 while (node != NULL) {
531 next = rb_next(node);
532 lrn = rb_entry(node, struct lfsck_rbtree_node, lrn_node);
533 rb_erase(node, &llsd->llsd_rb_root);
534 lfsck_rbtree_free(lrn);
538 if (llsd->llsd_rb_obj != NULL) {
539 lu_object_put(env, &llsd->llsd_rb_obj->do_lu);
540 llsd->llsd_rb_obj = NULL;
544 static void lfsck_rbtree_update_bitmap(const struct lu_env *env,
545 struct lfsck_component *com,
546 const struct lu_fid *fid,
549 struct lfsck_layout_slave_data *llsd = com->lc_data;
550 struct lfsck_rbtree_node *lrn;
556 CDEBUG(D_LFSCK, "%s: update bitmap for "DFID"\n",
557 lfsck_lfsck2name(com->lc_lfsck), PFID(fid));
559 if (unlikely(!fid_is_sane(fid) || fid_is_last_id(fid)))
562 if (!fid_is_idif(fid) && !fid_is_norm(fid))
565 read_lock(&llsd->llsd_rb_lock);
566 if (!llsd->llsd_rbtree_valid)
567 GOTO(unlock, rc = 0);
569 lrn = lfsck_rbtree_search(llsd, fid);
571 struct lfsck_rbtree_node *tmp;
575 read_unlock(&llsd->llsd_rb_lock);
576 tmp = lfsck_rbtree_new(env, fid);
578 GOTO(out, rc = PTR_ERR(tmp));
581 write_lock(&llsd->llsd_rb_lock);
582 if (!llsd->llsd_rbtree_valid) {
583 lfsck_rbtree_free(tmp);
584 GOTO(unlock, rc = 0);
587 lrn = lfsck_rbtree_insert(llsd, tmp);
589 lfsck_rbtree_free(tmp);
592 idx = fid_oid(fid) & LFSCK_RBTREE_BITMAP_MASK;
593 /* Any accessed object must be a known object. */
594 if (!test_and_set_bit(idx, lrn->lrn_known_bitmap))
595 atomic_inc(&lrn->lrn_known_count);
597 if (!test_and_set_bit(idx, lrn->lrn_accessed_bitmap))
598 atomic_inc(&lrn->lrn_accessed_count);
601 GOTO(unlock, rc = 0);
605 write_unlock(&llsd->llsd_rb_lock);
607 read_unlock(&llsd->llsd_rb_lock);
609 if (rc != 0 && accessed) {
610 struct lfsck_layout *lo = com->lc_file_ram;
612 CERROR("%s: Fail to update object accessed bitmap, will cause "
613 "incorrect LFSCK OST-object handling, so disable it to "
614 "cancel orphan handling for related device. rc = %d.\n",
615 lfsck_lfsck2name(com->lc_lfsck), rc);
616 lo->ll_flags |= LF_INCOMPLETE;
617 lfsck_rbtree_cleanup(env, com);
621 static void lfsck_layout_le_to_cpu(struct lfsck_layout *des,
622 const struct lfsck_layout *src)
626 des->ll_magic = le32_to_cpu(src->ll_magic);
627 des->ll_status = le32_to_cpu(src->ll_status);
628 des->ll_flags = le32_to_cpu(src->ll_flags);
629 des->ll_success_count = le32_to_cpu(src->ll_success_count);
630 des->ll_run_time_phase1 = le32_to_cpu(src->ll_run_time_phase1);
631 des->ll_run_time_phase2 = le32_to_cpu(src->ll_run_time_phase2);
632 des->ll_time_last_complete = le64_to_cpu(src->ll_time_last_complete);
633 des->ll_time_latest_start = le64_to_cpu(src->ll_time_latest_start);
634 des->ll_time_last_checkpoint =
635 le64_to_cpu(src->ll_time_last_checkpoint);
636 des->ll_pos_latest_start = le64_to_cpu(src->ll_pos_latest_start);
637 des->ll_pos_last_checkpoint = le64_to_cpu(src->ll_pos_last_checkpoint);
638 des->ll_pos_first_inconsistent =
639 le64_to_cpu(src->ll_pos_first_inconsistent);
640 des->ll_objs_checked_phase1 = le64_to_cpu(src->ll_objs_checked_phase1);
641 des->ll_objs_failed_phase1 = le64_to_cpu(src->ll_objs_failed_phase1);
642 des->ll_objs_checked_phase2 = le64_to_cpu(src->ll_objs_checked_phase2);
643 des->ll_objs_failed_phase2 = le64_to_cpu(src->ll_objs_failed_phase2);
644 for (i = 0; i < LLIT_MAX; i++)
645 des->ll_objs_repaired[i] =
646 le64_to_cpu(src->ll_objs_repaired[i]);
647 des->ll_objs_skipped = le64_to_cpu(src->ll_objs_skipped);
650 static void lfsck_layout_cpu_to_le(struct lfsck_layout *des,
651 const struct lfsck_layout *src)
655 des->ll_magic = cpu_to_le32(src->ll_magic);
656 des->ll_status = cpu_to_le32(src->ll_status);
657 des->ll_flags = cpu_to_le32(src->ll_flags);
658 des->ll_success_count = cpu_to_le32(src->ll_success_count);
659 des->ll_run_time_phase1 = cpu_to_le32(src->ll_run_time_phase1);
660 des->ll_run_time_phase2 = cpu_to_le32(src->ll_run_time_phase2);
661 des->ll_time_last_complete = cpu_to_le64(src->ll_time_last_complete);
662 des->ll_time_latest_start = cpu_to_le64(src->ll_time_latest_start);
663 des->ll_time_last_checkpoint =
664 cpu_to_le64(src->ll_time_last_checkpoint);
665 des->ll_pos_latest_start = cpu_to_le64(src->ll_pos_latest_start);
666 des->ll_pos_last_checkpoint = cpu_to_le64(src->ll_pos_last_checkpoint);
667 des->ll_pos_first_inconsistent =
668 cpu_to_le64(src->ll_pos_first_inconsistent);
669 des->ll_objs_checked_phase1 = cpu_to_le64(src->ll_objs_checked_phase1);
670 des->ll_objs_failed_phase1 = cpu_to_le64(src->ll_objs_failed_phase1);
671 des->ll_objs_checked_phase2 = cpu_to_le64(src->ll_objs_checked_phase2);
672 des->ll_objs_failed_phase2 = cpu_to_le64(src->ll_objs_failed_phase2);
673 for (i = 0; i < LLIT_MAX; i++)
674 des->ll_objs_repaired[i] =
675 cpu_to_le64(src->ll_objs_repaired[i]);
676 des->ll_objs_skipped = cpu_to_le64(src->ll_objs_skipped);
680 * \retval +ve: the lfsck_layout is broken, the caller should reset it.
681 * \retval 0: succeed.
682 * \retval -ve: failed cases.
684 static int lfsck_layout_load(const struct lu_env *env,
685 struct lfsck_component *com)
687 struct lfsck_layout *lo = com->lc_file_ram;
688 const struct dt_body_operations *dbo = com->lc_obj->do_body_ops;
689 ssize_t size = com->lc_file_size;
693 rc = dbo->dbo_read(env, com->lc_obj,
694 lfsck_buf_get(env, com->lc_file_disk, size), &pos,
699 CWARN("%s: failed to load lfsck_layout: rc = %d\n",
700 lfsck_lfsck2name(com->lc_lfsck), rc);
702 } else if (rc != size) {
703 CWARN("%s: crashed lfsck_layout, to be reset: rc = %d\n",
704 lfsck_lfsck2name(com->lc_lfsck), rc);
708 lfsck_layout_le_to_cpu(lo, com->lc_file_disk);
709 if (lo->ll_magic != LFSCK_LAYOUT_MAGIC) {
710 CWARN("%s: invalid lfsck_layout magic %#x != %#x, "
711 "to be reset\n", lfsck_lfsck2name(com->lc_lfsck),
712 lo->ll_magic, LFSCK_LAYOUT_MAGIC);
719 static int lfsck_layout_store(const struct lu_env *env,
720 struct lfsck_component *com)
722 struct dt_object *obj = com->lc_obj;
723 struct lfsck_instance *lfsck = com->lc_lfsck;
724 struct lfsck_layout *lo = com->lc_file_disk;
725 struct thandle *handle;
726 ssize_t size = com->lc_file_size;
731 lfsck_layout_cpu_to_le(lo, com->lc_file_ram);
732 handle = dt_trans_create(env, lfsck->li_bottom);
733 if (IS_ERR(handle)) {
734 rc = PTR_ERR(handle);
735 CERROR("%s: fail to create trans for storing lfsck_layout: "
736 "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
740 rc = dt_declare_record_write(env, obj, size, pos, handle);
742 CERROR("%s: fail to declare trans for storing lfsck_layout(1): "
743 "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
747 rc = dt_trans_start_local(env, lfsck->li_bottom, handle);
749 CERROR("%s: fail to start trans for storing lfsck_layout: "
750 "rc = %d\n", lfsck_lfsck2name(lfsck), rc);
754 rc = dt_record_write(env, obj, lfsck_buf_get(env, lo, size), &pos,
757 CERROR("%s: fail to store lfsck_layout(1): size = %d, "
758 "rc = %d\n", lfsck_lfsck2name(lfsck), (int)size, rc);
763 dt_trans_stop(env, lfsck->li_bottom, handle);
768 static int lfsck_layout_init(const struct lu_env *env,
769 struct lfsck_component *com)
771 struct lfsck_layout *lo = com->lc_file_ram;
774 memset(lo, 0, com->lc_file_size);
775 lo->ll_magic = LFSCK_LAYOUT_MAGIC;
776 lo->ll_status = LS_INIT;
777 down_write(&com->lc_sem);
778 rc = lfsck_layout_store(env, com);
779 up_write(&com->lc_sem);
784 static int fid_is_for_ostobj(const struct lu_env *env, struct dt_device *dt,
785 struct dt_object *obj, const struct lu_fid *fid)
787 struct seq_server_site *ss = lu_site2seq(dt->dd_lu_dev.ld_site);
788 struct lu_seq_range range = { 0 };
789 struct lustre_mdt_attrs *lma;
792 fld_range_set_any(&range);
793 rc = fld_server_lookup(env, ss->ss_server_fld, fid_seq(fid), &range);
795 if (fld_range_is_ost(&range))
801 lma = &lfsck_env_info(env)->lti_lma;
802 rc = dt_xattr_get(env, obj, lfsck_buf_get(env, lma, sizeof(*lma)),
803 XATTR_NAME_LMA, BYPASS_CAPA);
804 if (rc == sizeof(*lma)) {
805 lustre_lma_swab(lma);
807 return lma->lma_compat & LMAC_FID_ON_OST ? 1 : 0;
810 rc = dt_xattr_get(env, obj, &LU_BUF_NULL, XATTR_NAME_FID, BYPASS_CAPA);
815 static struct lfsck_layout_seq *
816 lfsck_layout_seq_lookup(struct lfsck_layout_slave_data *llsd, __u64 seq)
818 struct lfsck_layout_seq *lls;
820 list_for_each_entry(lls, &llsd->llsd_seq_list, lls_list) {
821 if (lls->lls_seq == seq)
824 if (lls->lls_seq > seq)
832 lfsck_layout_seq_insert(struct lfsck_layout_slave_data *llsd,
833 struct lfsck_layout_seq *lls)
835 struct lfsck_layout_seq *tmp;
836 struct list_head *pos = &llsd->llsd_seq_list;
838 list_for_each_entry(tmp, &llsd->llsd_seq_list, lls_list) {
839 if (lls->lls_seq < tmp->lls_seq) {
840 pos = &tmp->lls_list;
844 list_add_tail(&lls->lls_list, pos);
848 lfsck_layout_lastid_create(const struct lu_env *env,
849 struct lfsck_instance *lfsck,
850 struct dt_object *obj)
852 struct lfsck_thread_info *info = lfsck_env_info(env);
853 struct lu_attr *la = &info->lti_la;
854 struct dt_object_format *dof = &info->lti_dof;
855 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
856 struct dt_device *dt = lfsck->li_bottom;
863 CDEBUG(D_LFSCK, "To create LAST_ID for <seq> "LPX64"\n",
864 fid_seq(lfsck_dto2fid(obj)));
866 if (bk->lb_param & LPF_DRYRUN)
869 memset(la, 0, sizeof(*la));
870 la->la_mode = S_IFREG | S_IRUGO | S_IWUSR;
871 la->la_valid = LA_MODE | LA_UID | LA_GID;
872 dof->dof_type = dt_mode_to_dft(S_IFREG);
874 th = dt_trans_create(env, dt);
876 RETURN(rc = PTR_ERR(th));
878 rc = dt_declare_create(env, obj, la, NULL, dof, th);
882 rc = dt_declare_record_write(env, obj, sizeof(lastid), pos, th);
886 rc = dt_trans_start_local(env, dt, th);
890 dt_write_lock(env, obj, 0);
891 if (likely(!dt_object_exists(obj))) {
892 rc = dt_create(env, obj, la, NULL, dof, th);
894 rc = dt_record_write(env, obj,
895 lfsck_buf_get(env, &lastid, sizeof(lastid)),
898 dt_write_unlock(env, obj);
903 dt_trans_stop(env, dt, th);
909 lfsck_layout_lastid_reload(const struct lu_env *env,
910 struct lfsck_component *com,
911 struct lfsck_layout_seq *lls)
917 dt_read_lock(env, lls->lls_lastid_obj, 0);
918 rc = dt_record_read(env, lls->lls_lastid_obj,
919 lfsck_buf_get(env, &lastid, sizeof(lastid)), &pos);
920 dt_read_unlock(env, lls->lls_lastid_obj);
921 if (unlikely(rc != 0))
924 lastid = le64_to_cpu(lastid);
925 if (lastid < lls->lls_lastid_known) {
926 struct lfsck_instance *lfsck = com->lc_lfsck;
927 struct lfsck_layout *lo = com->lc_file_ram;
929 lls->lls_lastid = lls->lls_lastid_known;
931 if (!(lo->ll_flags & LF_CRASHED_LASTID)) {
932 LASSERT(lfsck->li_out_notify != NULL);
934 lfsck->li_out_notify(env, lfsck->li_out_notify_data,
935 LE_LASTID_REBUILDING);
936 lo->ll_flags |= LF_CRASHED_LASTID;
938 } else if (lastid >= lls->lls_lastid) {
939 lls->lls_lastid = lastid;
947 lfsck_layout_lastid_store(const struct lu_env *env,
948 struct lfsck_component *com)
950 struct lfsck_instance *lfsck = com->lc_lfsck;
951 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
952 struct dt_device *dt = lfsck->li_bottom;
953 struct lfsck_layout_slave_data *llsd = com->lc_data;
954 struct lfsck_layout_seq *lls;
960 list_for_each_entry(lls, &llsd->llsd_seq_list, lls_list) {
963 /* XXX: Add the code back if we really found related
964 * inconsistent cases in the future. */
966 if (!lls->lls_dirty) {
967 /* In OFD, before the pre-creation, the LAST_ID
968 * file will be updated firstly, which may hide
969 * some potential crashed cases. For example:
971 * The old obj1's ID is higher than old LAST_ID
972 * but lower than the new LAST_ID, but the LFSCK
973 * have not touch the obj1 until the OFD updated
974 * the LAST_ID. So the LFSCK does not regard it
975 * as crashed case. But when OFD does not create
976 * successfully, it will set the LAST_ID as the
977 * real created objects' ID, then LFSCK needs to
978 * found related inconsistency. */
979 rc = lfsck_layout_lastid_reload(env, com, lls);
980 if (likely(!lls->lls_dirty))
985 CDEBUG(D_LFSCK, "To sync the LAST_ID for <seq> "LPX64
986 " as <oid> "LPU64"\n", lls->lls_seq, lls->lls_lastid);
988 if (bk->lb_param & LPF_DRYRUN) {
993 th = dt_trans_create(env, dt);
996 CERROR("%s: (1) failed to store "LPX64": rc = %d\n",
997 lfsck_lfsck2name(com->lc_lfsck),
1002 rc = dt_declare_record_write(env, lls->lls_lastid_obj,
1003 sizeof(lastid), pos, th);
1007 rc = dt_trans_start_local(env, dt, th);
1011 lastid = cpu_to_le64(lls->lls_lastid);
1012 dt_write_lock(env, lls->lls_lastid_obj, 0);
1013 rc = dt_record_write(env, lls->lls_lastid_obj,
1014 lfsck_buf_get(env, &lastid,
1015 sizeof(lastid)), &pos, th);
1016 dt_write_unlock(env, lls->lls_lastid_obj);
1021 dt_trans_stop(env, dt, th);
1024 CERROR("%s: (2) failed to store "LPX64": rc = %d\n",
1025 lfsck_lfsck2name(com->lc_lfsck),
1034 lfsck_layout_lastid_load(const struct lu_env *env,
1035 struct lfsck_component *com,
1036 struct lfsck_layout_seq *lls)
1038 struct lfsck_instance *lfsck = com->lc_lfsck;
1039 struct lfsck_layout *lo = com->lc_file_ram;
1040 struct lu_fid *fid = &lfsck_env_info(env)->lti_fid;
1041 struct dt_object *obj;
1046 lu_last_id_fid(fid, lls->lls_seq, lfsck_dev_idx(lfsck->li_bottom));
1047 obj = dt_locate(env, lfsck->li_bottom, fid);
1049 RETURN(PTR_ERR(obj));
1051 /* LAST_ID crashed, to be rebuilt */
1052 if (!dt_object_exists(obj)) {
1053 if (!(lo->ll_flags & LF_CRASHED_LASTID)) {
1054 LASSERT(lfsck->li_out_notify != NULL);
1056 lfsck->li_out_notify(env, lfsck->li_out_notify_data,
1057 LE_LASTID_REBUILDING);
1058 lo->ll_flags |= LF_CRASHED_LASTID;
1060 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_DELAY4) &&
1062 struct l_wait_info lwi = LWI_TIMEOUT(
1063 cfs_time_seconds(cfs_fail_val),
1066 up_write(&com->lc_sem);
1067 l_wait_event(lfsck->li_thread.t_ctl_waitq,
1068 !thread_is_running(&lfsck->li_thread),
1070 down_write(&com->lc_sem);
1074 rc = lfsck_layout_lastid_create(env, lfsck, obj);
1076 dt_read_lock(env, obj, 0);
1077 rc = dt_read(env, obj,
1078 lfsck_buf_get(env, &lls->lls_lastid, sizeof(__u64)),
1080 dt_read_unlock(env, obj);
1081 if (rc != 0 && rc != sizeof(__u64))
1082 GOTO(out, rc = (rc > 0 ? -EFAULT : rc));
1084 if (rc == 0 && !(lo->ll_flags & LF_CRASHED_LASTID)) {
1085 LASSERT(lfsck->li_out_notify != NULL);
1087 lfsck->li_out_notify(env, lfsck->li_out_notify_data,
1088 LE_LASTID_REBUILDING);
1089 lo->ll_flags |= LF_CRASHED_LASTID;
1092 lls->lls_lastid = le64_to_cpu(lls->lls_lastid);
1100 lfsck_object_put(env, obj);
1102 lls->lls_lastid_obj = obj;
1107 static int lfsck_layout_master_async_interpret(const struct lu_env *env,
1108 struct ptlrpc_request *req,
1111 struct lfsck_async_interpret_args *laia = args;
1112 struct lfsck_component *com = laia->laia_com;
1113 struct lfsck_layout_master_data *llmd = com->lc_data;
1114 struct lfsck_tgt_descs *ltds = laia->laia_ltds;
1115 struct lfsck_tgt_desc *ltd = laia->laia_ltd;
1116 struct lfsck_request *lr = laia->laia_lr;
1118 switch (lr->lr_event) {
1121 struct lfsck_layout *lo = com->lc_file_ram;
1123 lo->ll_flags |= LF_INCOMPLETE;
1128 spin_lock(<ds->ltd_lock);
1129 if (ltd->ltd_dead || ltd->ltd_layout_done) {
1130 spin_unlock(<ds->ltd_lock);
1135 if (lr->lr_flags & LEF_TO_OST) {
1136 if (list_empty(<d->ltd_layout_list))
1137 list_add_tail(<d->ltd_layout_list,
1138 &llmd->llmd_ost_list);
1139 if (list_empty(<d->ltd_layout_phase_list))
1140 list_add_tail(<d->ltd_layout_phase_list,
1141 &llmd->llmd_ost_phase1_list);
1143 if (list_empty(<d->ltd_layout_list))
1144 list_add_tail(<d->ltd_layout_list,
1145 &llmd->llmd_mdt_list);
1146 if (list_empty(<d->ltd_layout_phase_list))
1147 list_add_tail(<d->ltd_layout_phase_list,
1148 &llmd->llmd_mdt_phase1_list);
1150 spin_unlock(<ds->ltd_lock);
1154 case LE_PHASE1_DONE:
1155 case LE_PHASE2_DONE:
1157 CERROR("%s: fail to notify %s %x for layout: "
1158 "event = %d, rc = %d\n",
1159 lfsck_lfsck2name(com->lc_lfsck),
1160 (lr->lr_flags & LEF_TO_OST) ? "OST" : "MDT",
1161 ltd->ltd_index, lr->lr_event, rc);
1164 struct lfsck_reply *reply;
1167 spin_lock(<ds->ltd_lock);
1168 list_del_init(<d->ltd_layout_phase_list);
1169 list_del_init(<d->ltd_layout_list);
1170 spin_unlock(<ds->ltd_lock);
1175 reply = req_capsule_server_get(&req->rq_pill,
1177 if (reply == NULL) {
1179 CERROR("%s: invalid return value: rc = %d\n",
1180 lfsck_lfsck2name(com->lc_lfsck), rc);
1181 spin_lock(<ds->ltd_lock);
1182 list_del_init(<d->ltd_layout_phase_list);
1183 list_del_init(<d->ltd_layout_list);
1184 spin_unlock(<ds->ltd_lock);
1189 switch (reply->lr_status) {
1190 case LS_SCANNING_PHASE1:
1192 case LS_SCANNING_PHASE2:
1193 spin_lock(<ds->ltd_lock);
1194 list_del_init(<d->ltd_layout_phase_list);
1195 if (ltd->ltd_dead || ltd->ltd_layout_done) {
1196 spin_unlock(<ds->ltd_lock);
1200 if (lr->lr_flags & LEF_TO_OST)
1201 list_add_tail(<d->ltd_layout_phase_list,
1202 &llmd->llmd_ost_phase2_list);
1204 list_add_tail(<d->ltd_layout_phase_list,
1205 &llmd->llmd_mdt_phase2_list);
1206 spin_unlock(<ds->ltd_lock);
1209 spin_lock(<ds->ltd_lock);
1210 list_del_init(<d->ltd_layout_phase_list);
1211 list_del_init(<d->ltd_layout_list);
1212 spin_unlock(<ds->ltd_lock);
1219 CERROR("%s: unexpected event: rc = %d\n",
1220 lfsck_lfsck2name(com->lc_lfsck), lr->lr_event);
1224 lfsck_component_put(env, com);
1229 static int lfsck_layout_master_query_others(const struct lu_env *env,
1230 struct lfsck_component *com)
1232 struct lfsck_thread_info *info = lfsck_env_info(env);
1233 struct lfsck_request *lr = &info->lti_lr;
1234 struct lfsck_async_interpret_args *laia = &info->lti_laia;
1235 struct lfsck_instance *lfsck = com->lc_lfsck;
1236 struct lfsck_layout_master_data *llmd = com->lc_data;
1237 struct ptlrpc_request_set *set;
1238 struct lfsck_tgt_descs *ltds;
1239 struct lfsck_tgt_desc *ltd;
1240 struct list_head *head;
1246 set = ptlrpc_prep_set();
1250 llmd->llmd_touch_gen++;
1251 memset(lr, 0, sizeof(*lr));
1252 lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
1253 lr->lr_event = LE_QUERY;
1254 lr->lr_active = LT_LAYOUT;
1255 laia->laia_com = com;
1258 if (!list_empty(&llmd->llmd_mdt_phase1_list)) {
1259 ltds = &lfsck->li_mdt_descs;
1261 head = &llmd->llmd_mdt_phase1_list;
1265 ltds = &lfsck->li_ost_descs;
1266 lr->lr_flags = LEF_TO_OST;
1267 head = &llmd->llmd_ost_phase1_list;
1270 laia->laia_ltds = ltds;
1271 spin_lock(<ds->ltd_lock);
1272 while (!list_empty(head)) {
1273 ltd = list_entry(head->next,
1274 struct lfsck_tgt_desc,
1275 ltd_layout_phase_list);
1276 if (ltd->ltd_layout_gen == llmd->llmd_touch_gen)
1279 ltd->ltd_layout_gen = llmd->llmd_touch_gen;
1280 list_del(<d->ltd_layout_phase_list);
1281 list_add_tail(<d->ltd_layout_phase_list, head);
1282 atomic_inc(<d->ltd_ref);
1283 laia->laia_ltd = ltd;
1284 spin_unlock(<ds->ltd_lock);
1285 rc = lfsck_async_request(env, ltd->ltd_exp, lr, set,
1286 lfsck_layout_master_async_interpret,
1289 CERROR("%s: fail to query %s %x for layout: rc = %d\n",
1290 lfsck_lfsck2name(lfsck),
1291 (lr->lr_flags & LEF_TO_OST) ? "OST" : "MDT",
1292 ltd->ltd_index, rc);
1298 spin_lock(<ds->ltd_lock);
1300 spin_unlock(<ds->ltd_lock);
1303 rc = ptlrpc_set_wait(set);
1305 ptlrpc_set_destroy(set);
1311 if (!(lr->lr_flags & LEF_TO_OST) &&
1312 list_empty(&llmd->llmd_mdt_phase1_list))
1315 ptlrpc_set_destroy(set);
1317 RETURN(rc1 != 0 ? rc1 : rc);
1321 lfsck_layout_master_to_orphan(struct lfsck_layout_master_data *llmd)
1323 return list_empty(&llmd->llmd_mdt_phase1_list) &&
1324 (!list_empty(&llmd->llmd_ost_phase2_list) ||
1325 list_empty(&llmd->llmd_ost_phase1_list));
1328 static int lfsck_layout_master_notify_others(const struct lu_env *env,
1329 struct lfsck_component *com,
1330 struct lfsck_request *lr,
1333 struct lfsck_thread_info *info = lfsck_env_info(env);
1334 struct lfsck_async_interpret_args *laia = &info->lti_laia;
1335 struct lfsck_instance *lfsck = com->lc_lfsck;
1336 struct lfsck_layout_master_data *llmd = com->lc_data;
1337 struct lfsck_layout *lo = com->lc_file_ram;
1338 struct ptlrpc_request_set *set;
1339 struct lfsck_tgt_descs *ltds;
1340 struct lfsck_tgt_desc *ltd;
1341 struct lfsck_tgt_desc *next;
1342 struct list_head *head;
1348 set = ptlrpc_prep_set();
1352 lr->lr_active = LT_LAYOUT;
1353 laia->laia_com = com;
1356 switch (lr->lr_event) {
1358 /* Notify OSTs firstly, then other MDTs if needed. */
1359 lr->lr_flags |= LEF_TO_OST;
1360 ltds = &lfsck->li_ost_descs;
1363 laia->laia_ltds = ltds;
1364 down_read(<ds->ltd_rw_sem);
1365 cfs_foreach_bit(ltds->ltd_tgts_bitmap, idx) {
1366 ltd = lfsck_tgt_get(ltds, idx);
1367 LASSERT(ltd != NULL);
1369 laia->laia_ltd = ltd;
1370 ltd->ltd_layout_done = 0;
1371 rc = lfsck_async_request(env, ltd->ltd_exp, lr, set,
1372 lfsck_layout_master_async_interpret,
1373 laia, LFSCK_NOTIFY);
1375 CERROR("%s: fail to notify %s %x for layout "
1377 lfsck_lfsck2name(lfsck),
1378 (lr->lr_flags & LEF_TO_OST) ? "OST" :
1381 lo->ll_flags |= LF_INCOMPLETE;
1386 up_read(<ds->ltd_rw_sem);
1390 rc = ptlrpc_set_wait(set);
1392 ptlrpc_set_destroy(set);
1398 if (!(flags & LPF_ALL_MDT))
1401 ltds = &lfsck->li_mdt_descs;
1402 /* The sponsor broadcasts the request to other MDTs. */
1403 if (flags & LPF_BROADCAST) {
1404 flags &= ~LPF_ALL_MDT;
1405 lr->lr_flags &= ~LEF_TO_OST;
1409 /* non-sponsors link other MDT targets locallly. */
1410 spin_lock(<ds->ltd_lock);
1411 cfs_foreach_bit(ltds->ltd_tgts_bitmap, idx) {
1412 ltd = LTD_TGT(ltds, idx);
1413 LASSERT(ltd != NULL);
1415 if (!list_empty(<d->ltd_layout_list))
1418 list_add_tail(<d->ltd_layout_list,
1419 &llmd->llmd_mdt_list);
1420 list_add_tail(<d->ltd_layout_phase_list,
1421 &llmd->llmd_mdt_phase1_list);
1423 spin_unlock(<ds->ltd_lock);
1427 if (flags & LPF_BROADCAST)
1428 lr->lr_flags |= LEF_FORCE_STOP;
1429 case LE_PHASE2_DONE:
1430 /* Notify other MDTs if needed, then the OSTs. */
1431 if (flags & LPF_ALL_MDT) {
1432 /* The sponsor broadcasts the request to other MDTs. */
1433 if (flags & LPF_BROADCAST) {
1434 lr->lr_flags &= ~LEF_TO_OST;
1435 head = &llmd->llmd_mdt_list;
1436 ltds = &lfsck->li_mdt_descs;
1440 /* non-sponsors unlink other MDT targets locallly. */
1441 ltds = &lfsck->li_mdt_descs;
1442 spin_lock(<ds->ltd_lock);
1443 list_for_each_entry_safe(ltd, next,
1444 &llmd->llmd_mdt_list,
1446 list_del_init(<d->ltd_layout_phase_list);
1447 list_del_init(<d->ltd_layout_list);
1449 spin_unlock(<ds->ltd_lock);
1453 lr->lr_flags |= LEF_TO_OST;
1454 head = &llmd->llmd_ost_list;
1455 ltds = &lfsck->li_ost_descs;
1458 laia->laia_ltds = ltds;
1459 spin_lock(<ds->ltd_lock);
1460 while (!list_empty(head)) {
1461 ltd = list_entry(head->next, struct lfsck_tgt_desc,
1463 if (!list_empty(<d->ltd_layout_phase_list))
1464 list_del_init(<d->ltd_layout_phase_list);
1465 list_del_init(<d->ltd_layout_list);
1466 laia->laia_ltd = ltd;
1467 spin_unlock(<ds->ltd_lock);
1468 rc = lfsck_async_request(env, ltd->ltd_exp, lr, set,
1469 lfsck_layout_master_async_interpret,
1470 laia, LFSCK_NOTIFY);
1472 CERROR("%s: fail to notify %s %x for layout "
1473 "stop/phase2: rc = %d\n",
1474 lfsck_lfsck2name(lfsck),
1475 (lr->lr_flags & LEF_TO_OST) ? "OST" :
1476 "MDT", ltd->ltd_index, rc);
1479 spin_lock(<ds->ltd_lock);
1481 spin_unlock(<ds->ltd_lock);
1483 if (!(flags & LPF_BROADCAST))
1488 rc = ptlrpc_set_wait(set);
1490 ptlrpc_set_destroy(set);
1496 flags &= ~LPF_BROADCAST;
1498 case LE_PHASE1_DONE:
1499 llmd->llmd_touch_gen++;
1500 lr->lr_flags &= ~LEF_TO_OST;
1501 ltds = &lfsck->li_mdt_descs;
1502 laia->laia_ltds = ltds;
1503 spin_lock(<ds->ltd_lock);
1504 while (!list_empty(&llmd->llmd_mdt_phase1_list)) {
1505 ltd = list_entry(llmd->llmd_mdt_phase1_list.next,
1506 struct lfsck_tgt_desc,
1507 ltd_layout_phase_list);
1508 if (ltd->ltd_layout_gen == llmd->llmd_touch_gen)
1511 ltd->ltd_layout_gen = llmd->llmd_touch_gen;
1512 list_del_init(<d->ltd_layout_phase_list);
1513 list_add_tail(<d->ltd_layout_phase_list,
1514 &llmd->llmd_mdt_phase1_list);
1515 laia->laia_ltd = ltd;
1516 spin_unlock(<ds->ltd_lock);
1517 rc = lfsck_async_request(env, ltd->ltd_exp, lr, set,
1518 lfsck_layout_master_async_interpret,
1519 laia, LFSCK_NOTIFY);
1521 CERROR("%s: fail to notify MDT %x for layout "
1522 "phase1 done: rc = %d\n",
1523 lfsck_lfsck2name(lfsck),
1524 ltd->ltd_index, rc);
1527 spin_lock(<ds->ltd_lock);
1529 spin_unlock(<ds->ltd_lock);
1532 CERROR("%s: unexpected LFSCK event: rc = %d\n",
1533 lfsck_lfsck2name(lfsck), lr->lr_event);
1539 rc = ptlrpc_set_wait(set);
1540 ptlrpc_set_destroy(set);
1542 if (rc == 0 && lr->lr_event == LE_START &&
1543 list_empty(&llmd->llmd_ost_list))
1549 static int lfsck_layout_double_scan_result(const struct lu_env *env,
1550 struct lfsck_component *com,
1553 struct lfsck_instance *lfsck = com->lc_lfsck;
1554 struct lfsck_layout *lo = com->lc_file_ram;
1555 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
1557 down_write(&com->lc_sem);
1559 lo->ll_run_time_phase2 += cfs_duration_sec(cfs_time_current() +
1560 HALF_SEC - lfsck->li_time_last_checkpoint);
1561 lo->ll_time_last_checkpoint = cfs_time_current_sec();
1562 lo->ll_objs_checked_phase2 += com->lc_new_checked;
1565 com->lc_journal = 0;
1566 if (lo->ll_flags & LF_INCOMPLETE)
1567 lo->ll_status = LS_PARTIAL;
1569 lo->ll_status = LS_COMPLETED;
1570 if (!(bk->lb_param & LPF_DRYRUN))
1571 lo->ll_flags &= ~(LF_SCANNED_ONCE | LF_INCONSISTENT);
1572 lo->ll_time_last_complete = lo->ll_time_last_checkpoint;
1573 lo->ll_success_count++;
1574 } else if (rc == 0) {
1575 lo->ll_status = lfsck->li_status;
1576 if (lo->ll_status == 0)
1577 lo->ll_status = LS_STOPPED;
1579 lo->ll_status = LS_FAILED;
1582 if (lo->ll_status != LS_PAUSED) {
1583 spin_lock(&lfsck->li_lock);
1584 list_del_init(&com->lc_link);
1585 list_add_tail(&com->lc_link, &lfsck->li_list_idle);
1586 spin_unlock(&lfsck->li_lock);
1589 rc = lfsck_layout_store(env, com);
1591 up_write(&com->lc_sem);
1596 static int lfsck_layout_lock(const struct lu_env *env,
1597 struct lfsck_component *com,
1598 struct dt_object *obj,
1599 struct lustre_handle *lh, __u64 bits)
1601 struct lfsck_thread_info *info = lfsck_env_info(env);
1602 ldlm_policy_data_t *policy = &info->lti_policy;
1603 struct ldlm_res_id *resid = &info->lti_resid;
1604 struct lfsck_instance *lfsck = com->lc_lfsck;
1605 __u64 flags = LDLM_FL_ATOMIC_CB;
1608 LASSERT(lfsck->li_namespace != NULL);
1610 memset(policy, 0, sizeof(*policy));
1611 policy->l_inodebits.bits = bits;
1612 fid_build_reg_res_name(lfsck_dto2fid(obj), resid);
1613 rc = ldlm_cli_enqueue_local(lfsck->li_namespace, resid, LDLM_IBITS,
1614 policy, LCK_EX, &flags, ldlm_blocking_ast,
1615 ldlm_completion_ast, NULL, NULL, 0,
1616 LVB_T_NONE, NULL, lh);
1617 if (rc == ELDLM_OK) {
1620 memset(lh, 0, sizeof(*lh));
1627 static void lfsck_layout_unlock(struct lustre_handle *lh)
1629 if (lustre_handle_is_used(lh)) {
1630 ldlm_lock_decref(lh, LCK_EX);
1631 memset(lh, 0, sizeof(*lh));
1635 static int lfsck_layout_trans_stop(const struct lu_env *env,
1636 struct dt_device *dev,
1637 struct thandle *handle, int result)
1641 handle->th_result = result;
1642 rc = dt_trans_stop(env, dev, handle);
1651 static int lfsck_layout_scan_orphan(const struct lu_env *env,
1652 struct lfsck_component *com,
1653 struct lfsck_tgt_desc *ltd)
1655 /* XXX: To be extended in other patch. */
1660 /* For the MDT-object with dangling reference, we need to re-create
1661 * the missed OST-object with the known FID/owner information. */
1662 static int lfsck_layout_recreate_ostobj(const struct lu_env *env,
1663 struct lfsck_component *com,
1664 struct lfsck_layout_req *llr,
1667 struct lfsck_thread_info *info = lfsck_env_info(env);
1668 struct filter_fid *pfid = &info->lti_new_pfid;
1669 struct dt_allocation_hint *hint = &info->lti_hint;
1670 struct dt_object *parent = llr->llr_parent->llo_obj;
1671 struct dt_object *child = llr->llr_child;
1672 struct dt_device *dev = lfsck_obj2dt_dev(child);
1673 const struct lu_fid *tfid = lu_object_fid(&parent->do_lu);
1674 struct thandle *handle;
1676 struct lustre_handle lh = { 0 };
1680 CDEBUG(D_LFSCK, "Repair dangling reference for: parent "DFID
1681 ", child "DFID", OST-index %u, stripe-index %u, owner %u:%u\n",
1682 PFID(lfsck_dto2fid(parent)), PFID(lfsck_dto2fid(child)),
1683 llr->llr_ost_idx, llr->llr_lov_idx, la->la_uid, la->la_gid);
1685 rc = lfsck_layout_lock(env, com, parent, &lh,
1686 MDS_INODELOCK_LAYOUT | MDS_INODELOCK_XATTR);
1690 handle = dt_trans_create(env, dev);
1692 GOTO(unlock1, rc = PTR_ERR(handle));
1694 hint->dah_parent = NULL;
1696 pfid->ff_parent.f_seq = cpu_to_le64(tfid->f_seq);
1697 pfid->ff_parent.f_oid = cpu_to_le32(tfid->f_oid);
1698 pfid->ff_parent.f_ver = cpu_to_le32(llr->llr_lov_idx);
1699 buf = lfsck_buf_get(env, pfid, sizeof(struct filter_fid));
1701 rc = dt_declare_create(env, child, la, hint, NULL, handle);
1705 rc = dt_declare_xattr_set(env, child, buf, XATTR_NAME_FID,
1706 LU_XATTR_CREATE, handle);
1710 rc = dt_trans_start(env, dev, handle);
1714 dt_read_lock(env, parent, 0);
1715 if (unlikely(lu_object_is_dying(parent->do_lu.lo_header)))
1716 GOTO(unlock2, rc = 1);
1718 rc = dt_create(env, child, la, hint, NULL, handle);
1722 rc = dt_xattr_set(env, child, buf, XATTR_NAME_FID, LU_XATTR_CREATE,
1723 handle, BYPASS_CAPA);
1728 dt_read_unlock(env, parent);
1731 rc = lfsck_layout_trans_stop(env, dev, handle, rc);
1734 lfsck_layout_unlock(&lh);
1739 /* If the OST-object does not recognize the MDT-object as its parent, and
1740 * there is no other MDT-object claims as its parent, then just trust the
1741 * given MDT-object as its parent. So update the OST-object filter_fid. */
1742 static int lfsck_layout_repair_unmatched_pair(const struct lu_env *env,
1743 struct lfsck_component *com,
1744 struct lfsck_layout_req *llr,
1745 const struct lu_attr *pla)
1747 struct lfsck_thread_info *info = lfsck_env_info(env);
1748 struct filter_fid *pfid = &info->lti_new_pfid;
1749 struct lu_attr *tla = &info->lti_la3;
1750 struct dt_object *parent = llr->llr_parent->llo_obj;
1751 struct dt_object *child = llr->llr_child;
1752 struct dt_device *dev = lfsck_obj2dt_dev(child);
1753 const struct lu_fid *tfid = lu_object_fid(&parent->do_lu);
1754 struct thandle *handle;
1756 struct lustre_handle lh = { 0 };
1760 CDEBUG(D_LFSCK, "Repair unmatched MDT-OST pair for: parent "DFID
1761 ", child "DFID", OST-index %u, stripe-index %u, owner %u:%u\n",
1762 PFID(lfsck_dto2fid(parent)), PFID(lfsck_dto2fid(child)),
1763 llr->llr_ost_idx, llr->llr_lov_idx, pla->la_uid, pla->la_gid);
1765 rc = lfsck_layout_lock(env, com, parent, &lh,
1766 MDS_INODELOCK_LAYOUT | MDS_INODELOCK_XATTR);
1770 handle = dt_trans_create(env, dev);
1772 GOTO(unlock1, rc = PTR_ERR(handle));
1774 pfid->ff_parent.f_seq = cpu_to_le64(tfid->f_seq);
1775 pfid->ff_parent.f_oid = cpu_to_le32(tfid->f_oid);
1776 /* The ff_parent->f_ver is not the real parent fid->f_ver. Instead,
1777 * it is the OST-object index in the parent MDT-object layout. */
1778 pfid->ff_parent.f_ver = cpu_to_le32(llr->llr_lov_idx);
1779 buf = lfsck_buf_get(env, pfid, sizeof(struct filter_fid));
1781 rc = dt_declare_xattr_set(env, child, buf, XATTR_NAME_FID, 0, handle);
1785 tla->la_valid = LA_UID | LA_GID;
1786 tla->la_uid = pla->la_uid;
1787 tla->la_gid = pla->la_gid;
1788 rc = dt_declare_attr_set(env, child, tla, handle);
1792 rc = dt_trans_start(env, dev, handle);
1796 dt_write_lock(env, parent, 0);
1797 if (unlikely(lu_object_is_dying(parent->do_lu.lo_header)))
1798 GOTO(unlock2, rc = 1);
1800 rc = dt_xattr_set(env, child, buf, XATTR_NAME_FID, 0, handle,
1805 /* Get the latest parent's owner. */
1806 rc = dt_attr_get(env, parent, tla, BYPASS_CAPA);
1810 tla->la_valid = LA_UID | LA_GID;
1811 rc = dt_attr_set(env, child, tla, handle, BYPASS_CAPA);
1816 dt_write_unlock(env, parent);
1819 rc = lfsck_layout_trans_stop(env, dev, handle, rc);
1822 lfsck_layout_unlock(&lh);
1827 /* If there are more than one MDT-objects claim as the OST-object's parent,
1828 * and the OST-object only recognizes one of them, then we need to generate
1829 * new OST-object(s) with new fid(s) for the non-recognized MDT-object(s). */
1830 static int lfsck_layout_repair_multiple_references(const struct lu_env *env,
1831 struct lfsck_component *com,
1832 struct lfsck_layout_req *llr,
1836 struct lfsck_thread_info *info = lfsck_env_info(env);
1837 struct dt_allocation_hint *hint = &info->lti_hint;
1838 struct dt_object_format *dof = &info->lti_dof;
1839 struct dt_device *pdev = com->lc_lfsck->li_next;
1840 struct ost_id *oi = &info->lti_oi;
1841 struct dt_object *parent = llr->llr_parent->llo_obj;
1842 struct dt_device *cdev = lfsck_obj2dt_dev(llr->llr_child);
1843 struct dt_object *child = NULL;
1844 struct lu_device *d = &cdev->dd_lu_dev;
1845 struct lu_object *o = NULL;
1846 struct thandle *handle;
1847 struct lov_mds_md_v1 *lmm;
1848 struct lov_ost_data_v1 *objs;
1849 struct lustre_handle lh = { 0 };
1854 CDEBUG(D_LFSCK, "Repair multiple references for: parent "DFID
1855 ", OST-index %u, stripe-index %u, owner %u:%u\n",
1856 PFID(lfsck_dto2fid(parent)), llr->llr_ost_idx,
1857 llr->llr_lov_idx, la->la_uid, la->la_gid);
1859 rc = lfsck_layout_lock(env, com, parent, &lh,
1860 MDS_INODELOCK_LAYOUT | MDS_INODELOCK_XATTR);
1864 handle = dt_trans_create(env, pdev);
1866 GOTO(unlock1, rc = PTR_ERR(handle));
1868 o = lu_object_anon(env, d, NULL);
1870 GOTO(stop, rc = PTR_ERR(o));
1872 child = container_of(o, struct dt_object, do_lu);
1873 o = lu_object_locate(o->lo_header, d->ld_type);
1874 if (unlikely(o == NULL))
1875 GOTO(stop, rc = -EINVAL);
1877 child = container_of(o, struct dt_object, do_lu);
1878 la->la_valid = LA_UID | LA_GID;
1879 hint->dah_parent = NULL;
1881 dof->dof_type = DFT_REGULAR;
1882 rc = dt_declare_create(env, child, la, NULL, NULL, handle);
1886 rc = dt_declare_xattr_set(env, parent, buf, XATTR_NAME_LOV,
1887 LU_XATTR_REPLACE, handle);
1891 rc = dt_trans_start(env, pdev, handle);
1895 dt_write_lock(env, parent, 0);
1896 if (unlikely(lu_object_is_dying(parent->do_lu.lo_header)))
1897 GOTO(unlock2, rc = 0);
1899 rc = dt_xattr_get(env, parent, buf, XATTR_NAME_LOV, BYPASS_CAPA);
1900 if (unlikely(rc == 0 || rc == -ENODATA || rc == -ERANGE))
1901 GOTO(unlock2, rc = 0);
1904 rc = lfsck_layout_verify_header(lmm);
1908 /* Someone change layout during the LFSCK, no need to repair then. */
1909 if (le16_to_cpu(lmm->lmm_layout_gen) != llr->llr_parent->llo_gen)
1910 GOTO(unlock2, rc = 0);
1912 rc = dt_create(env, child, la, hint, dof, handle);
1916 /* Currently, we only support LOV_MAGIC_V1/LOV_MAGIC_V3 which has
1917 * been verified in lfsck_layout_verify_header() already. If some
1918 * new magic introduced in the future, then layout LFSCK needs to
1919 * be updated also. */
1920 magic = le32_to_cpu(lmm->lmm_magic);
1921 if (magic == LOV_MAGIC_V1) {
1922 objs = &(lmm->lmm_objects[0]);
1924 LASSERT(magic == LOV_MAGIC_V3);
1925 objs = &((struct lov_mds_md_v3 *)lmm)->lmm_objects[0];
1928 lmm->lmm_layout_gen = cpu_to_le16(llr->llr_parent->llo_gen + 1);
1929 fid_to_ostid(lu_object_fid(&child->do_lu), oi);
1930 ostid_cpu_to_le(oi, &objs[llr->llr_lov_idx].l_ost_oi);
1931 objs[llr->llr_lov_idx].l_ost_gen = cpu_to_le32(0);
1932 objs[llr->llr_lov_idx].l_ost_idx = cpu_to_le32(llr->llr_ost_idx);
1933 rc = dt_xattr_set(env, parent, buf, XATTR_NAME_LOV,
1934 LU_XATTR_REPLACE, handle, BYPASS_CAPA);
1936 GOTO(unlock2, rc = (rc == 0 ? 1 : rc));
1939 dt_write_unlock(env, parent);
1943 lu_object_put(env, &child->do_lu);
1945 dt_trans_stop(env, pdev, handle);
1948 lfsck_layout_unlock(&lh);
1953 /* If the MDT-object and the OST-object have different owner information,
1954 * then trust the MDT-object, because the normal chown/chgrp handle order
1955 * is from MDT to OST, and it is possible that some chown/chgrp operation
1956 * is partly done. */
1957 static int lfsck_layout_repair_owner(const struct lu_env *env,
1958 struct lfsck_component *com,
1959 struct lfsck_layout_req *llr,
1960 struct lu_attr *pla)
1962 struct lfsck_thread_info *info = lfsck_env_info(env);
1963 struct lu_attr *tla = &info->lti_la3;
1964 struct dt_object *parent = llr->llr_parent->llo_obj;
1965 struct dt_object *child = llr->llr_child;
1966 struct dt_device *dev = lfsck_obj2dt_dev(child);
1967 struct thandle *handle;
1971 CDEBUG(D_LFSCK, "Repair inconsistent file owner for: parent "DFID
1972 ", child "DFID", OST-index %u, stripe-index %u, owner %u:%u\n",
1973 PFID(lfsck_dto2fid(parent)), PFID(lfsck_dto2fid(child)),
1974 llr->llr_ost_idx, llr->llr_lov_idx, pla->la_uid, pla->la_gid);
1976 handle = dt_trans_create(env, dev);
1978 RETURN(PTR_ERR(handle));
1980 tla->la_uid = pla->la_uid;
1981 tla->la_gid = pla->la_gid;
1982 tla->la_valid = LA_UID | LA_GID;
1983 rc = dt_declare_attr_set(env, child, tla, handle);
1987 rc = dt_trans_start(env, dev, handle);
1991 /* Use the dt_object lock to serialize with destroy and attr_set. */
1992 dt_read_lock(env, parent, 0);
1993 if (unlikely(lu_object_is_dying(parent->do_lu.lo_header)))
1994 GOTO(unlock, rc = 1);
1996 /* Get the latest parent's owner. */
1997 rc = dt_attr_get(env, parent, tla, BYPASS_CAPA);
1999 CWARN("%s: fail to get the latest parent's ("DFID") owner, "
2000 "not sure whether some others chown/chgrp during the "
2001 "LFSCK: rc = %d\n", lfsck_lfsck2name(com->lc_lfsck),
2002 PFID(lfsck_dto2fid(parent)), rc);
2007 /* Some others chown/chgrp during the LFSCK, needs to do nothing. */
2008 if (unlikely(tla->la_uid != pla->la_uid ||
2009 tla->la_gid != pla->la_gid))
2010 GOTO(unlock, rc = 1);
2012 tla->la_valid = LA_UID | LA_GID;
2013 rc = dt_attr_set(env, child, tla, handle, BYPASS_CAPA);
2018 dt_read_unlock(env, parent);
2021 rc = lfsck_layout_trans_stop(env, dev, handle, rc);
2026 /* Check whether the OST-object correctly back points to the
2027 * MDT-object (@parent) via the XATTR_NAME_FID xattr (@pfid). */
2028 static int lfsck_layout_check_parent(const struct lu_env *env,
2029 struct lfsck_component *com,
2030 struct dt_object *parent,
2031 const struct lu_fid *pfid,
2032 const struct lu_fid *cfid,
2033 const struct lu_attr *pla,
2034 const struct lu_attr *cla,
2035 struct lfsck_layout_req *llr,
2036 struct lu_buf *lov_ea, __u32 idx)
2038 struct lfsck_thread_info *info = lfsck_env_info(env);
2039 struct lu_buf *buf = &info->lti_big_buf;
2040 struct dt_object *tobj;
2041 struct lov_mds_md_v1 *lmm;
2042 struct lov_ost_data_v1 *objs;
2049 if (fid_is_zero(pfid)) {
2050 /* client never wrote. */
2051 if (cla->la_size == 0 && cla->la_blocks == 0) {
2052 if (unlikely(cla->la_uid != pla->la_uid ||
2053 cla->la_gid != pla->la_gid))
2054 RETURN (LLIT_INCONSISTENT_OWNER);
2059 RETURN(LLIT_UNMATCHED_PAIR);
2062 if (unlikely(!fid_is_sane(pfid)))
2063 RETURN(LLIT_UNMATCHED_PAIR);
2065 if (lu_fid_eq(pfid, lu_object_fid(&parent->do_lu))) {
2066 if (llr->llr_lov_idx == idx)
2069 RETURN(LLIT_UNMATCHED_PAIR);
2072 tobj = lfsck_object_find(env, com->lc_lfsck, pfid);
2074 RETURN(LLIT_UNMATCHED_PAIR);
2077 RETURN(PTR_ERR(tobj));
2079 if (!dt_object_exists(tobj))
2080 GOTO(out, rc = LLIT_UNMATCHED_PAIR);
2082 /* Load the tobj's layout EA, in spite of it is a local MDT-object or
2083 * remote one on another MDT. Then check whether the given OST-object
2084 * is in such layout. If yes, it is multiple referenced, otherwise it
2085 * is unmatched referenced case. */
2086 rc = lfsck_layout_get_lovea(env, tobj, buf, NULL);
2088 GOTO(out, rc = LLIT_UNMATCHED_PAIR);
2094 rc = lfsck_layout_verify_header(lmm);
2098 /* Currently, we only support LOV_MAGIC_V1/LOV_MAGIC_V3 which has
2099 * been verified in lfsck_layout_verify_header() already. If some
2100 * new magic introduced in the future, then layout LFSCK needs to
2101 * be updated also. */
2102 magic = le32_to_cpu(lmm->lmm_magic);
2103 if (magic == LOV_MAGIC_V1) {
2104 objs = &(lmm->lmm_objects[0]);
2106 LASSERT(magic == LOV_MAGIC_V3);
2107 objs = &((struct lov_mds_md_v3 *)lmm)->lmm_objects[0];
2110 count = le16_to_cpu(lmm->lmm_stripe_count);
2111 for (i = 0; i < count; i++, objs++) {
2112 struct lu_fid *tfid = &info->lti_fid2;
2113 struct ost_id *oi = &info->lti_oi;
2115 ostid_le_to_cpu(&objs->l_ost_oi, oi);
2116 ostid_to_fid(tfid, oi, le32_to_cpu(objs->l_ost_idx));
2117 if (lu_fid_eq(cfid, tfid)) {
2120 GOTO(out, rc = LLIT_MULTIPLE_REFERENCED);
2124 GOTO(out, rc = LLIT_UNMATCHED_PAIR);
2127 lfsck_object_put(env, tobj);
2132 static int lfsck_layout_assistant_handle_one(const struct lu_env *env,
2133 struct lfsck_component *com,
2134 struct lfsck_layout_req *llr)
2136 struct lfsck_layout *lo = com->lc_file_ram;
2137 struct lfsck_thread_info *info = lfsck_env_info(env);
2138 struct filter_fid_old *pea = &info->lti_old_pfid;
2139 struct lu_fid *pfid = &info->lti_fid;
2140 struct lu_buf *buf = NULL;
2141 struct dt_object *parent = llr->llr_parent->llo_obj;
2142 struct dt_object *child = llr->llr_child;
2143 struct lu_attr *pla = &info->lti_la;
2144 struct lu_attr *cla = &info->lti_la2;
2145 struct lfsck_instance *lfsck = com->lc_lfsck;
2146 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
2147 enum lfsck_layout_inconsistency_type type = LLIT_NONE;
2152 rc = dt_attr_get(env, parent, pla, BYPASS_CAPA);
2154 if (lu_object_is_dying(parent->do_lu.lo_header))
2160 rc = dt_attr_get(env, child, cla, BYPASS_CAPA);
2161 if (rc == -ENOENT) {
2162 if (lu_object_is_dying(parent->do_lu.lo_header))
2165 type = LLIT_DANGLING;
2172 buf = lfsck_buf_get(env, pea, sizeof(struct filter_fid_old));
2173 rc= dt_xattr_get(env, child, buf, XATTR_NAME_FID, BYPASS_CAPA);
2174 if (unlikely(rc >= 0 && rc != sizeof(struct filter_fid_old) &&
2175 rc != sizeof(struct filter_fid))) {
2176 type = LLIT_UNMATCHED_PAIR;
2180 if (rc < 0 && rc != -ENODATA)
2183 if (rc == -ENODATA) {
2186 fid_le_to_cpu(pfid, &pea->ff_parent);
2187 /* OST-object does not save parent FID::f_ver, instead,
2188 * the OST-object index in the parent MDT-object layout
2189 * EA reuses the pfid->f_ver. */
2194 rc = lfsck_layout_check_parent(env, com, parent, pfid,
2195 lu_object_fid(&child->do_lu),
2196 pla, cla, llr, buf, idx);
2205 if (unlikely(cla->la_uid != pla->la_uid ||
2206 cla->la_gid != pla->la_gid)) {
2207 type = LLIT_INCONSISTENT_OWNER;
2212 if (bk->lb_param & LPF_DRYRUN) {
2213 if (type != LLIT_NONE)
2221 memset(cla, 0, sizeof(*cla));
2222 cla->la_uid = pla->la_uid;
2223 cla->la_gid = pla->la_gid;
2224 cla->la_mode = S_IFREG | 0666;
2225 cla->la_valid = LA_TYPE | LA_MODE | LA_UID | LA_GID |
2226 LA_ATIME | LA_MTIME | LA_CTIME;
2227 rc = lfsck_layout_recreate_ostobj(env, com, llr, cla);
2229 case LLIT_UNMATCHED_PAIR:
2230 rc = lfsck_layout_repair_unmatched_pair(env, com, llr, pla);
2232 case LLIT_MULTIPLE_REFERENCED:
2233 rc = lfsck_layout_repair_multiple_references(env, com, llr,
2236 case LLIT_INCONSISTENT_OWNER:
2237 rc = lfsck_layout_repair_owner(env, com, llr, pla);
2247 down_write(&com->lc_sem);
2249 /* If cannot touch the target server,
2250 * mark the LFSCK as INCOMPLETE. */
2251 if (rc == -ENOTCONN || rc == -ESHUTDOWN || rc == -ETIMEDOUT ||
2252 rc == -EHOSTDOWN || rc == -EHOSTUNREACH) {
2253 lo->ll_flags |= LF_INCOMPLETE;
2254 lo->ll_objs_skipped++;
2257 lo->ll_objs_failed_phase1++;
2259 } else if (rc > 0) {
2260 LASSERTF(type > LLIT_NONE && type <= LLIT_MAX,
2261 "unknown type = %d\n", type);
2263 lo->ll_objs_repaired[type - 1]++;
2265 up_write(&com->lc_sem);
2270 static int lfsck_layout_assistant(void *args)
2272 struct lfsck_thread_args *lta = args;
2273 struct lu_env *env = <a->lta_env;
2274 struct lfsck_component *com = lta->lta_com;
2275 struct lfsck_instance *lfsck = lta->lta_lfsck;
2276 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
2277 struct lfsck_position *pos = &com->lc_pos_start;
2278 struct lfsck_thread_info *info = lfsck_env_info(env);
2279 struct lfsck_request *lr = &info->lti_lr;
2280 struct lfsck_layout_master_data *llmd = com->lc_data;
2281 struct ptlrpc_thread *mthread = &lfsck->li_thread;
2282 struct ptlrpc_thread *athread = &llmd->llmd_thread;
2283 struct lfsck_layout_req *llr;
2284 struct l_wait_info lwi = { 0 };
2290 if (lta->lta_lsp->lsp_start != NULL)
2291 flags = lta->lta_lsp->lsp_start->ls_flags;
2293 flags = bk->lb_param;
2294 memset(lr, 0, sizeof(*lr));
2295 lr->lr_event = LE_START;
2296 lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
2297 lr->lr_valid = LSV_SPEED_LIMIT | LSV_ERROR_HANDLE | LSV_DRYRUN |
2299 lr->lr_speed = bk->lb_speed_limit;
2300 lr->lr_version = bk->lb_version;
2301 lr->lr_param = bk->lb_param;
2302 lr->lr_async_windows = bk->lb_async_windows;
2303 if (pos->lp_oit_cookie <= 1)
2304 lr->lr_param |= LPF_RESET;
2306 rc = lfsck_layout_master_notify_others(env, com, lr, flags);
2308 CERROR("%s: fail to notify others for layout start: rc = %d\n",
2309 lfsck_lfsck2name(lfsck), rc);
2313 spin_lock(&llmd->llmd_lock);
2314 thread_set_flags(athread, SVC_RUNNING);
2315 spin_unlock(&llmd->llmd_lock);
2316 wake_up_all(&mthread->t_ctl_waitq);
2319 while (!list_empty(&llmd->llmd_req_list)) {
2320 bool wakeup = false;
2322 if (unlikely(llmd->llmd_exit))
2323 GOTO(cleanup1, rc = llmd->llmd_post_result);
2325 llr = list_entry(llmd->llmd_req_list.next,
2326 struct lfsck_layout_req,
2328 /* Only the lfsck_layout_assistant thread itself can
2329 * remove the "llr" from the head of the list, LFSCK
2330 * engine thread only inserts other new "lld" at the
2331 * end of the list. So it is safe to handle current
2332 * "llr" without the spin_lock. */
2333 rc = lfsck_layout_assistant_handle_one(env, com, llr);
2334 spin_lock(&llmd->llmd_lock);
2335 list_del_init(&llr->llr_list);
2336 if (bk->lb_async_windows != 0 &&
2337 llmd->llmd_prefetched >= bk->lb_async_windows)
2340 llmd->llmd_prefetched--;
2341 spin_unlock(&llmd->llmd_lock);
2343 wake_up_all(&mthread->t_ctl_waitq);
2345 lfsck_layout_req_fini(env, llr);
2346 if (rc < 0 && bk->lb_param & LPF_FAILOUT)
2350 /* Wakeup the master engine if it is waiting in checkpoint. */
2351 wake_up_all(&mthread->t_ctl_waitq);
2353 l_wait_event(athread->t_ctl_waitq,
2354 !lfsck_layout_req_empty(llmd) ||
2356 llmd->llmd_to_post ||
2357 llmd->llmd_to_double_scan,
2360 if (unlikely(llmd->llmd_exit))
2361 GOTO(cleanup1, rc = llmd->llmd_post_result);
2363 if (!list_empty(&llmd->llmd_req_list))
2366 if (llmd->llmd_to_post) {
2367 llmd->llmd_to_post = 0;
2368 LASSERT(llmd->llmd_post_result > 0);
2370 memset(lr, 0, sizeof(*lr));
2371 lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
2372 lr->lr_event = LE_PHASE1_DONE;
2373 lr->lr_status = llmd->llmd_post_result;
2374 rc = lfsck_layout_master_notify_others(env, com, lr, 0);
2376 CERROR("%s: failed to notify others "
2377 "for layout post: rc = %d\n",
2378 lfsck_lfsck2name(lfsck), rc);
2380 /* Wakeup the master engine to go ahead. */
2381 wake_up_all(&mthread->t_ctl_waitq);
2384 if (llmd->llmd_to_double_scan) {
2385 llmd->llmd_to_double_scan = 0;
2386 atomic_inc(&lfsck->li_double_scan_count);
2387 llmd->llmd_in_double_scan = 1;
2388 wake_up_all(&mthread->t_ctl_waitq);
2390 while (llmd->llmd_in_double_scan) {
2391 struct lfsck_tgt_descs *ltds =
2392 &lfsck->li_ost_descs;
2393 struct lfsck_tgt_desc *ltd;
2395 rc = lfsck_layout_master_query_others(env, com);
2396 if (lfsck_layout_master_to_orphan(llmd))
2402 /* Pull LFSCK status on related targets once
2403 * per 30 seconds if we are not notified. */
2404 lwi = LWI_TIMEOUT_INTERVAL(cfs_time_seconds(30),
2405 cfs_time_seconds(1),
2407 rc = l_wait_event(athread->t_ctl_waitq,
2408 lfsck_layout_master_to_orphan(llmd) ||
2410 !thread_is_running(mthread),
2413 if (unlikely(llmd->llmd_exit ||
2414 !thread_is_running(mthread)))
2415 GOTO(cleanup2, rc = 0);
2417 if (rc == -ETIMEDOUT)
2424 spin_lock(<ds->ltd_lock);
2426 &llmd->llmd_ost_phase2_list)) {
2428 llmd->llmd_ost_phase2_list.next,
2429 struct lfsck_tgt_desc,
2430 ltd_layout_phase_list);
2432 <d->ltd_layout_phase_list);
2433 spin_unlock(<ds->ltd_lock);
2435 rc = lfsck_layout_scan_orphan(env, com,
2438 bk->lb_param & LPF_FAILOUT)
2441 if (unlikely(llmd->llmd_exit ||
2442 !thread_is_running(mthread)))
2443 GOTO(cleanup2, rc = 0);
2445 spin_lock(<ds->ltd_lock);
2448 if (list_empty(&llmd->llmd_ost_phase1_list)) {
2449 spin_unlock(<ds->ltd_lock);
2450 GOTO(cleanup2, rc = 1);
2452 spin_unlock(<ds->ltd_lock);
2458 /* Cleanup the unfinished requests. */
2459 spin_lock(&llmd->llmd_lock);
2461 llmd->llmd_assistant_status = rc;
2463 while (!list_empty(&llmd->llmd_req_list)) {
2464 llr = list_entry(llmd->llmd_req_list.next,
2465 struct lfsck_layout_req,
2467 list_del_init(&llr->llr_list);
2468 llmd->llmd_prefetched--;
2469 spin_unlock(&llmd->llmd_lock);
2470 lfsck_layout_req_fini(env, llr);
2471 spin_lock(&llmd->llmd_lock);
2473 spin_unlock(&llmd->llmd_lock);
2475 LASSERTF(llmd->llmd_prefetched == 0, "unmatched prefeteched objs %d\n",
2476 llmd->llmd_prefetched);
2479 memset(lr, 0, sizeof(*lr));
2480 lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
2482 lr->lr_event = LE_PHASE2_DONE;
2485 } else if (rc == 0) {
2486 lr->lr_event = LE_STOP;
2487 if (lfsck->li_status == LS_PAUSED ||
2488 lfsck->li_status == LS_CO_PAUSED) {
2490 lr->lr_status = LS_CO_PAUSED;
2491 } else if (lfsck->li_status == LS_STOPPED ||
2492 lfsck->li_status == LS_CO_STOPPED) {
2493 flags = lfsck->li_flags;
2494 if (flags & LPF_BROADCAST)
2495 lr->lr_status = LS_STOPPED;
2497 lr->lr_status = LS_CO_STOPPED;
2502 lr->lr_event = LE_STOP;
2504 lr->lr_status = LS_CO_FAILED;
2507 rc1 = lfsck_layout_master_notify_others(env, com, lr, flags);
2509 CERROR("%s: failed to notify others for layout quit: rc = %d\n",
2510 lfsck_lfsck2name(lfsck), rc1);
2514 /* Under force exit case, some requests may be just freed without
2515 * verification, those objects should be re-handled when next run.
2516 * So not update the on-disk tracing file under such case. */
2517 if (!llmd->llmd_exit)
2518 rc1 = lfsck_layout_double_scan_result(env, com, rc);
2521 if (llmd->llmd_in_double_scan)
2522 atomic_dec(&lfsck->li_double_scan_count);
2524 spin_lock(&llmd->llmd_lock);
2525 llmd->llmd_assistant_status = (rc1 != 0 ? rc1 : rc);
2526 thread_set_flags(athread, SVC_STOPPED);
2527 wake_up_all(&mthread->t_ctl_waitq);
2528 spin_unlock(&llmd->llmd_lock);
2529 lfsck_thread_args_fini(lta);
2535 lfsck_layout_slave_async_interpret(const struct lu_env *env,
2536 struct ptlrpc_request *req,
2539 struct lfsck_layout_slave_async_args *llsaa = args;
2540 struct obd_export *exp = llsaa->llsaa_exp;
2541 struct lfsck_component *com = llsaa->llsaa_com;
2542 struct lfsck_layout_slave_target *llst = llsaa->llsaa_llst;
2543 struct lfsck_layout_slave_data *llsd = com->lc_data;
2547 /* It is quite probably caused by target crash,
2548 * to make the LFSCK can go ahead, assume that
2549 * the target finished the LFSCK prcoessing. */
2552 struct lfsck_reply *lr;
2554 lr = req_capsule_server_get(&req->rq_pill, &RMF_LFSCK_REPLY);
2555 if (lr->lr_status != LS_SCANNING_PHASE1 &&
2556 lr->lr_status != LS_SCANNING_PHASE2)
2560 lfsck_layout_llst_del(llsd, llst);
2561 lfsck_layout_llst_put(llst);
2562 lfsck_component_put(env, com);
2563 class_export_put(exp);
2568 static int lfsck_layout_async_query(const struct lu_env *env,
2569 struct lfsck_component *com,
2570 struct obd_export *exp,
2571 struct lfsck_layout_slave_target *llst,
2572 struct lfsck_request *lr,
2573 struct ptlrpc_request_set *set)
2575 struct lfsck_layout_slave_async_args *llsaa;
2576 struct ptlrpc_request *req;
2577 struct lfsck_request *tmp;
2581 req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_LFSCK_QUERY);
2585 rc = ptlrpc_request_pack(req, LUSTRE_OBD_VERSION, LFSCK_QUERY);
2587 ptlrpc_request_free(req);
2591 tmp = req_capsule_client_get(&req->rq_pill, &RMF_LFSCK_REQUEST);
2593 ptlrpc_request_set_replen(req);
2595 llsaa = ptlrpc_req_async_args(req);
2596 llsaa->llsaa_exp = exp;
2597 llsaa->llsaa_com = lfsck_component_get(com);
2598 llsaa->llsaa_llst = llst;
2599 req->rq_interpret_reply = lfsck_layout_slave_async_interpret;
2600 ptlrpc_set_add_req(set, req);
2605 static int lfsck_layout_async_notify(const struct lu_env *env,
2606 struct obd_export *exp,
2607 struct lfsck_request *lr,
2608 struct ptlrpc_request_set *set)
2610 struct ptlrpc_request *req;
2611 struct lfsck_request *tmp;
2615 req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_LFSCK_NOTIFY);
2619 rc = ptlrpc_request_pack(req, LUSTRE_OBD_VERSION, LFSCK_NOTIFY);
2621 ptlrpc_request_free(req);
2625 tmp = req_capsule_client_get(&req->rq_pill, &RMF_LFSCK_REQUEST);
2627 ptlrpc_request_set_replen(req);
2628 ptlrpc_set_add_req(set, req);
2634 lfsck_layout_slave_query_master(const struct lu_env *env,
2635 struct lfsck_component *com)
2637 struct lfsck_request *lr = &lfsck_env_info(env)->lti_lr;
2638 struct lfsck_instance *lfsck = com->lc_lfsck;
2639 struct lfsck_layout_slave_data *llsd = com->lc_data;
2640 struct lfsck_layout_slave_target *llst;
2641 struct obd_export *exp;
2642 struct ptlrpc_request_set *set;
2648 set = ptlrpc_prep_set();
2652 memset(lr, 0, sizeof(*lr));
2653 lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
2654 lr->lr_event = LE_QUERY;
2655 lr->lr_active = LT_LAYOUT;
2657 llsd->llsd_touch_gen++;
2658 spin_lock(&llsd->llsd_lock);
2659 while (!list_empty(&llsd->llsd_master_list)) {
2660 llst = list_entry(llsd->llsd_master_list.next,
2661 struct lfsck_layout_slave_target,
2663 if (llst->llst_gen == llsd->llsd_touch_gen)
2666 llst->llst_gen = llsd->llsd_touch_gen;
2667 list_del(&llst->llst_list);
2668 list_add_tail(&llst->llst_list,
2669 &llsd->llsd_master_list);
2670 atomic_inc(&llst->llst_ref);
2671 spin_unlock(&llsd->llsd_lock);
2673 exp = lustre_find_lwp_by_index(lfsck->li_obd->obd_name,
2676 lfsck_layout_llst_del(llsd, llst);
2677 lfsck_layout_llst_put(llst);
2678 spin_lock(&llsd->llsd_lock);
2682 rc = lfsck_layout_async_query(env, com, exp, llst, lr, set);
2684 CERROR("%s: slave fail to query %s for layout: "
2685 "rc = %d\n", lfsck_lfsck2name(lfsck),
2686 exp->exp_obd->obd_name, rc);
2688 lfsck_layout_llst_put(llst);
2689 class_export_put(exp);
2693 spin_lock(&llsd->llsd_lock);
2695 spin_unlock(&llsd->llsd_lock);
2698 rc = ptlrpc_set_wait(set);
2699 ptlrpc_set_destroy(set);
2701 RETURN(rc1 != 0 ? rc1 : rc);
2705 lfsck_layout_slave_notify_master(const struct lu_env *env,
2706 struct lfsck_component *com,
2707 enum lfsck_events event, int result)
2709 struct lfsck_instance *lfsck = com->lc_lfsck;
2710 struct lfsck_layout_slave_data *llsd = com->lc_data;
2711 struct lfsck_request *lr = &lfsck_env_info(env)->lti_lr;
2712 struct lfsck_layout_slave_target *llst;
2713 struct obd_export *exp;
2714 struct ptlrpc_request_set *set;
2719 set = ptlrpc_prep_set();
2723 memset(lr, 0, sizeof(*lr));
2724 lr->lr_event = event;
2725 lr->lr_flags = LEF_FROM_OST;
2726 lr->lr_status = result;
2727 lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
2728 lr->lr_active = LT_LAYOUT;
2729 llsd->llsd_touch_gen++;
2730 spin_lock(&llsd->llsd_lock);
2731 while (!list_empty(&llsd->llsd_master_list)) {
2732 llst = list_entry(llsd->llsd_master_list.next,
2733 struct lfsck_layout_slave_target,
2735 if (llst->llst_gen == llsd->llsd_touch_gen)
2738 llst->llst_gen = llsd->llsd_touch_gen;
2739 list_del(&llst->llst_list);
2740 list_add_tail(&llst->llst_list,
2741 &llsd->llsd_master_list);
2742 atomic_inc(&llst->llst_ref);
2743 spin_unlock(&llsd->llsd_lock);
2745 exp = lustre_find_lwp_by_index(lfsck->li_obd->obd_name,
2748 lfsck_layout_llst_del(llsd, llst);
2749 lfsck_layout_llst_put(llst);
2750 spin_lock(&llsd->llsd_lock);
2754 rc = lfsck_layout_async_notify(env, exp, lr, set);
2756 CERROR("%s: slave fail to notify %s for layout: "
2757 "rc = %d\n", lfsck_lfsck2name(lfsck),
2758 exp->exp_obd->obd_name, rc);
2761 lfsck_layout_llst_put(llst);
2762 class_export_put(exp);
2763 spin_lock(&llsd->llsd_lock);
2765 spin_unlock(&llsd->llsd_lock);
2768 rc = ptlrpc_set_wait(set);
2770 ptlrpc_set_destroy(set);
2777 static int lfsck_layout_reset(const struct lu_env *env,
2778 struct lfsck_component *com, bool init)
2780 struct lfsck_layout *lo = com->lc_file_ram;
2783 down_write(&com->lc_sem);
2785 memset(lo, 0, com->lc_file_size);
2787 __u32 count = lo->ll_success_count;
2788 __u64 last_time = lo->ll_time_last_complete;
2790 memset(lo, 0, com->lc_file_size);
2791 lo->ll_success_count = count;
2792 lo->ll_time_last_complete = last_time;
2795 lo->ll_magic = LFSCK_LAYOUT_MAGIC;
2796 lo->ll_status = LS_INIT;
2798 rc = lfsck_layout_store(env, com);
2799 up_write(&com->lc_sem);
2804 static void lfsck_layout_fail(const struct lu_env *env,
2805 struct lfsck_component *com, bool new_checked)
2807 struct lfsck_layout *lo = com->lc_file_ram;
2809 down_write(&com->lc_sem);
2811 com->lc_new_checked++;
2812 lo->ll_objs_failed_phase1++;
2813 if (lo->ll_pos_first_inconsistent == 0) {
2814 struct lfsck_instance *lfsck = com->lc_lfsck;
2816 lo->ll_pos_first_inconsistent =
2817 lfsck->li_obj_oit->do_index_ops->dio_it.store(env,
2820 up_write(&com->lc_sem);
2823 static int lfsck_layout_master_checkpoint(const struct lu_env *env,
2824 struct lfsck_component *com, bool init)
2826 struct lfsck_instance *lfsck = com->lc_lfsck;
2827 struct lfsck_layout *lo = com->lc_file_ram;
2828 struct lfsck_layout_master_data *llmd = com->lc_data;
2829 struct ptlrpc_thread *mthread = &lfsck->li_thread;
2830 struct ptlrpc_thread *athread = &llmd->llmd_thread;
2831 struct l_wait_info lwi = { 0 };
2834 if (com->lc_new_checked == 0 && !init)
2837 l_wait_event(mthread->t_ctl_waitq,
2838 list_empty(&llmd->llmd_req_list) ||
2839 !thread_is_running(mthread) ||
2840 thread_is_stopped(athread),
2843 if (!thread_is_running(mthread) || thread_is_stopped(athread))
2846 down_write(&com->lc_sem);
2848 lo->ll_pos_latest_start = lfsck->li_pos_current.lp_oit_cookie;
2850 lo->ll_pos_last_checkpoint =
2851 lfsck->li_pos_current.lp_oit_cookie;
2852 lo->ll_run_time_phase1 += cfs_duration_sec(cfs_time_current() +
2853 HALF_SEC - lfsck->li_time_last_checkpoint);
2854 lo->ll_time_last_checkpoint = cfs_time_current_sec();
2855 lo->ll_objs_checked_phase1 += com->lc_new_checked;
2856 com->lc_new_checked = 0;
2859 rc = lfsck_layout_store(env, com);
2860 up_write(&com->lc_sem);
2865 static int lfsck_layout_slave_checkpoint(const struct lu_env *env,
2866 struct lfsck_component *com, bool init)
2868 struct lfsck_instance *lfsck = com->lc_lfsck;
2869 struct lfsck_layout *lo = com->lc_file_ram;
2872 if (com->lc_new_checked == 0 && !init)
2875 down_write(&com->lc_sem);
2878 lo->ll_pos_latest_start = lfsck->li_pos_current.lp_oit_cookie;
2880 lo->ll_pos_last_checkpoint =
2881 lfsck->li_pos_current.lp_oit_cookie;
2882 lo->ll_run_time_phase1 += cfs_duration_sec(cfs_time_current() +
2883 HALF_SEC - lfsck->li_time_last_checkpoint);
2884 lo->ll_time_last_checkpoint = cfs_time_current_sec();
2885 lo->ll_objs_checked_phase1 += com->lc_new_checked;
2886 com->lc_new_checked = 0;
2889 rc = lfsck_layout_store(env, com);
2891 up_write(&com->lc_sem);
2896 static int lfsck_layout_prep(const struct lu_env *env,
2897 struct lfsck_component *com)
2899 struct lfsck_instance *lfsck = com->lc_lfsck;
2900 struct lfsck_layout *lo = com->lc_file_ram;
2901 struct lfsck_position *pos = &com->lc_pos_start;
2903 fid_zero(&pos->lp_dir_parent);
2904 pos->lp_dir_cookie = 0;
2905 if (lo->ll_status == LS_COMPLETED ||
2906 lo->ll_status == LS_PARTIAL) {
2909 rc = lfsck_layout_reset(env, com, false);
2914 down_write(&com->lc_sem);
2916 lo->ll_time_latest_start = cfs_time_current_sec();
2918 spin_lock(&lfsck->li_lock);
2919 if (lo->ll_flags & LF_SCANNED_ONCE) {
2920 if (!lfsck->li_drop_dryrun ||
2921 lo->ll_pos_first_inconsistent == 0) {
2922 lo->ll_status = LS_SCANNING_PHASE2;
2923 list_del_init(&com->lc_link);
2924 list_add_tail(&com->lc_link,
2925 &lfsck->li_list_double_scan);
2926 pos->lp_oit_cookie = 0;
2930 lo->ll_status = LS_SCANNING_PHASE1;
2931 lo->ll_run_time_phase1 = 0;
2932 lo->ll_run_time_phase2 = 0;
2933 lo->ll_objs_checked_phase1 = 0;
2934 lo->ll_objs_checked_phase2 = 0;
2935 lo->ll_objs_failed_phase1 = 0;
2936 lo->ll_objs_failed_phase2 = 0;
2937 for (i = 0; i < LLIT_MAX; i++)
2938 lo->ll_objs_repaired[i] = 0;
2940 pos->lp_oit_cookie = lo->ll_pos_first_inconsistent;
2943 lo->ll_status = LS_SCANNING_PHASE1;
2944 if (!lfsck->li_drop_dryrun ||
2945 lo->ll_pos_first_inconsistent == 0)
2946 pos->lp_oit_cookie = lo->ll_pos_last_checkpoint + 1;
2948 pos->lp_oit_cookie = lo->ll_pos_first_inconsistent;
2950 spin_unlock(&lfsck->li_lock);
2952 up_write(&com->lc_sem);
2957 static int lfsck_layout_slave_prep(const struct lu_env *env,
2958 struct lfsck_component *com,
2959 struct lfsck_start_param *lsp)
2961 struct lfsck_layout *lo = com->lc_file_ram;
2962 struct lfsck_layout_slave_data *llsd = com->lc_data;
2965 rc = lfsck_layout_prep(env, com);
2966 if (rc != 0 || lo->ll_status != LS_SCANNING_PHASE1 ||
2967 !lsp->lsp_index_valid)
2970 rc = lfsck_layout_llst_add(llsd, lsp->lsp_index);
2971 if (rc == 0 && !(lo->ll_flags & LF_INCOMPLETE)) {
2972 LASSERT(!llsd->llsd_rbtree_valid);
2974 write_lock(&llsd->llsd_rb_lock);
2975 rc = lfsck_rbtree_setup(env, com);
2976 write_unlock(&llsd->llsd_rb_lock);
2982 static int lfsck_layout_master_prep(const struct lu_env *env,
2983 struct lfsck_component *com,
2984 struct lfsck_start_param *lsp)
2986 struct lfsck_instance *lfsck = com->lc_lfsck;
2987 struct lfsck_layout_master_data *llmd = com->lc_data;
2988 struct ptlrpc_thread *mthread = &lfsck->li_thread;
2989 struct ptlrpc_thread *athread = &llmd->llmd_thread;
2990 struct lfsck_thread_args *lta;
2994 rc = lfsck_layout_prep(env, com);
2998 llmd->llmd_assistant_status = 0;
2999 llmd->llmd_post_result = 0;
3000 llmd->llmd_to_post = 0;
3001 llmd->llmd_to_double_scan = 0;
3002 llmd->llmd_in_double_scan = 0;
3003 llmd->llmd_exit = 0;
3004 thread_set_flags(athread, 0);
3006 lta = lfsck_thread_args_init(lfsck, com, lsp);
3008 RETURN(PTR_ERR(lta));
3010 rc = PTR_ERR(kthread_run(lfsck_layout_assistant, lta, "lfsck_layout"));
3011 if (IS_ERR_VALUE(rc)) {
3012 CERROR("%s: Cannot start LFSCK layout assistant thread: "
3013 "rc = %ld\n", lfsck_lfsck2name(lfsck), rc);
3014 lfsck_thread_args_fini(lta);
3016 struct l_wait_info lwi = { 0 };
3018 l_wait_event(mthread->t_ctl_waitq,
3019 thread_is_running(athread) ||
3020 thread_is_stopped(athread),
3022 if (unlikely(!thread_is_running(athread)))
3023 rc = llmd->llmd_assistant_status;
3031 /* Pre-fetch the attribute for each stripe in the given layout EA. */
3032 static int lfsck_layout_scan_stripes(const struct lu_env *env,
3033 struct lfsck_component *com,
3034 struct dt_object *parent,
3035 struct lov_mds_md_v1 *lmm)
3037 struct lfsck_thread_info *info = lfsck_env_info(env);
3038 struct lfsck_instance *lfsck = com->lc_lfsck;
3039 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
3040 struct lfsck_layout *lo = com->lc_file_ram;
3041 struct lfsck_layout_master_data *llmd = com->lc_data;
3042 struct lfsck_layout_object *llo = NULL;
3043 struct lov_ost_data_v1 *objs;
3044 struct lfsck_tgt_descs *ltds = &lfsck->li_ost_descs;
3045 struct ptlrpc_thread *mthread = &lfsck->li_thread;
3046 struct ptlrpc_thread *athread = &llmd->llmd_thread;
3047 struct l_wait_info lwi = { 0 };
3056 buf = lfsck_buf_get(env, &info->lti_old_pfid,
3057 sizeof(struct filter_fid_old));
3058 count = le16_to_cpu(lmm->lmm_stripe_count);
3059 gen = le16_to_cpu(lmm->lmm_layout_gen);
3060 /* Currently, we only support LOV_MAGIC_V1/LOV_MAGIC_V3 which has
3061 * been verified in lfsck_layout_verify_header() already. If some
3062 * new magic introduced in the future, then layout LFSCK needs to
3063 * be updated also. */
3064 magic = le32_to_cpu(lmm->lmm_magic);
3065 if (magic == LOV_MAGIC_V1) {
3066 objs = &(lmm->lmm_objects[0]);
3068 LASSERT(magic == LOV_MAGIC_V3);
3069 objs = &((struct lov_mds_md_v3 *)lmm)->lmm_objects[0];
3072 for (i = 0; i < count; i++, objs++) {
3073 struct lu_fid *fid = &info->lti_fid;
3074 struct ost_id *oi = &info->lti_oi;
3075 struct lfsck_layout_req *llr;
3076 struct lfsck_tgt_desc *tgt = NULL;
3077 struct dt_object *cobj = NULL;
3079 le32_to_cpu(objs->l_ost_idx);
3080 bool wakeup = false;
3082 l_wait_event(mthread->t_ctl_waitq,
3083 bk->lb_async_windows == 0 ||
3084 llmd->llmd_prefetched < bk->lb_async_windows ||
3085 !thread_is_running(mthread) ||
3086 thread_is_stopped(athread),
3089 if (unlikely(!thread_is_running(mthread)) ||
3090 thread_is_stopped(athread))
3093 ostid_le_to_cpu(&objs->l_ost_oi, oi);
3094 ostid_to_fid(fid, oi, index);
3095 tgt = lfsck_tgt_get(ltds, index);
3096 if (unlikely(tgt == NULL)) {
3097 lo->ll_flags |= LF_INCOMPLETE;
3101 cobj = lfsck_object_find_by_dev(env, tgt->ltd_tgt, fid);
3107 rc = dt_declare_attr_get(env, cobj, BYPASS_CAPA);
3111 rc = dt_declare_xattr_get(env, cobj, buf, XATTR_NAME_FID,
3117 llo = lfsck_layout_object_init(env, parent, gen);
3124 llr = lfsck_layout_req_init(llo, cobj, index, i);
3131 spin_lock(&llmd->llmd_lock);
3132 if (llmd->llmd_assistant_status < 0) {
3133 spin_unlock(&llmd->llmd_lock);
3134 lfsck_layout_req_fini(env, llr);
3136 RETURN(llmd->llmd_assistant_status);
3139 list_add_tail(&llr->llr_list, &llmd->llmd_req_list);
3140 if (llmd->llmd_prefetched == 0)
3143 llmd->llmd_prefetched++;
3144 spin_unlock(&llmd->llmd_lock);
3146 wake_up_all(&athread->t_ctl_waitq);
3149 down_write(&com->lc_sem);
3150 com->lc_new_checked++;
3152 lo->ll_objs_failed_phase1++;
3153 up_write(&com->lc_sem);
3155 if (cobj != NULL && !IS_ERR(cobj))
3156 lu_object_put(env, &cobj->do_lu);
3158 if (likely(tgt != NULL))
3161 if (rc < 0 && bk->lb_param & LPF_FAILOUT)
3168 if (llo != NULL && !IS_ERR(llo))
3169 lfsck_layout_object_put(env, llo);
3174 /* For the given object, read its layout EA locally. For each stripe, pre-fetch
3175 * the OST-object's attribute and generate an structure lfsck_layout_req on the
3176 * list ::llmd_req_list.
3178 * For each request on above list, the lfsck_layout_assistant thread compares
3179 * the OST side attribute with local attribute, if inconsistent, then repair it.
3181 * All above processing is async mode with pipeline. */
3182 static int lfsck_layout_master_exec_oit(const struct lu_env *env,
3183 struct lfsck_component *com,
3184 struct dt_object *obj)
3186 struct lfsck_thread_info *info = lfsck_env_info(env);
3187 struct ost_id *oi = &info->lti_oi;
3188 struct lfsck_layout *lo = com->lc_file_ram;
3189 struct lfsck_layout_master_data *llmd = com->lc_data;
3190 struct lfsck_instance *lfsck = com->lc_lfsck;
3191 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
3192 struct thandle *handle = NULL;
3193 struct lu_buf *buf = &info->lti_big_buf;
3194 struct lov_mds_md_v1 *lmm = NULL;
3195 struct dt_device *dev = lfsck->li_bottom;
3196 struct lustre_handle lh = { 0 };
3197 ssize_t buflen = buf->lb_len;
3199 bool locked = false;
3200 bool stripe = false;
3203 if (!S_ISREG(lfsck_object_type(obj)))
3206 if (llmd->llmd_assistant_status < 0)
3207 GOTO(out, rc = -ESRCH);
3209 fid_to_lmm_oi(lfsck_dto2fid(obj), oi);
3210 lmm_oi_cpu_to_le(oi, oi);
3211 dt_read_lock(env, obj, 0);
3215 rc = lfsck_layout_get_lovea(env, obj, buf, &buflen);
3221 rc = lfsck_layout_verify_header(lmm);
3225 if (memcmp(oi, &lmm->lmm_oi, sizeof(*oi)) == 0)
3226 GOTO(out, stripe = true);
3228 /* Inconsistent lmm_oi, should be repaired. */
3229 CDEBUG(D_LFSCK, "Repair bad lmm_oi for "DFID"\n",
3230 PFID(lfsck_dto2fid(obj)));
3232 if (bk->lb_param & LPF_DRYRUN) {
3233 down_write(&com->lc_sem);
3234 lo->ll_objs_repaired[LLIT_OTHERS - 1]++;
3235 up_write(&com->lc_sem);
3237 GOTO(out, stripe = true);
3240 if (!lustre_handle_is_used(&lh)) {
3241 dt_read_unlock(env, obj);
3243 buf->lb_len = buflen;
3244 rc = lfsck_layout_lock(env, com, obj, &lh,
3245 MDS_INODELOCK_LAYOUT |
3246 MDS_INODELOCK_XATTR);
3250 handle = dt_trans_create(env, dev);
3252 GOTO(out, rc = PTR_ERR(handle));
3254 rc = dt_declare_xattr_set(env, obj, buf, XATTR_NAME_LOV,
3255 LU_XATTR_REPLACE, handle);
3259 rc = dt_trans_start_local(env, dev, handle);
3263 dt_write_lock(env, obj, 0);
3270 rc = dt_xattr_set(env, obj, buf, XATTR_NAME_LOV,
3271 LU_XATTR_REPLACE, handle, BYPASS_CAPA);
3275 down_write(&com->lc_sem);
3276 lo->ll_objs_repaired[LLIT_OTHERS - 1]++;
3277 up_write(&com->lc_sem);
3279 GOTO(out, stripe = true);
3283 if (lustre_handle_is_used(&lh))
3284 dt_write_unlock(env, obj);
3286 dt_read_unlock(env, obj);
3289 if (handle != NULL && !IS_ERR(handle))
3290 dt_trans_stop(env, dev, handle);
3292 lfsck_layout_unlock(&lh);
3294 rc = lfsck_layout_scan_stripes(env, com, obj, lmm);
3296 down_write(&com->lc_sem);
3297 com->lc_new_checked++;
3299 lo->ll_objs_failed_phase1++;
3300 up_write(&com->lc_sem);
3302 buf->lb_len = buflen;
3307 static int lfsck_layout_slave_exec_oit(const struct lu_env *env,
3308 struct lfsck_component *com,
3309 struct dt_object *obj)
3311 struct lfsck_instance *lfsck = com->lc_lfsck;
3312 struct lfsck_layout *lo = com->lc_file_ram;
3313 const struct lu_fid *fid = lfsck_dto2fid(obj);
3314 struct lfsck_layout_slave_data *llsd = com->lc_data;
3315 struct lfsck_layout_seq *lls;
3321 LASSERT(llsd != NULL);
3323 lfsck_rbtree_update_bitmap(env, com, fid, false);
3325 down_write(&com->lc_sem);
3326 if (fid_is_idif(fid))
3328 else if (!fid_is_norm(fid) ||
3329 !fid_is_for_ostobj(env, lfsck->li_next, obj, fid))
3330 GOTO(unlock, rc = 0);
3333 com->lc_new_checked++;
3335 lls = lfsck_layout_seq_lookup(llsd, seq);
3338 if (unlikely(lls == NULL))
3339 GOTO(unlock, rc = -ENOMEM);
3341 INIT_LIST_HEAD(&lls->lls_list);
3343 rc = lfsck_layout_lastid_load(env, com, lls);
3345 lo->ll_objs_failed_phase1++;
3350 lfsck_layout_seq_insert(llsd, lls);
3353 if (unlikely(fid_is_last_id(fid)))
3354 GOTO(unlock, rc = 0);
3357 if (oid > lls->lls_lastid_known)
3358 lls->lls_lastid_known = oid;
3360 if (oid > lls->lls_lastid) {
3361 if (!(lo->ll_flags & LF_CRASHED_LASTID)) {
3362 /* OFD may create new objects during LFSCK scanning. */
3363 rc = lfsck_layout_lastid_reload(env, com, lls);
3364 if (unlikely(rc != 0))
3365 CWARN("%s: failed to reload LAST_ID for "LPX64
3367 lfsck_lfsck2name(com->lc_lfsck),
3369 if (oid <= lls->lls_lastid)
3370 GOTO(unlock, rc = 0);
3372 LASSERT(lfsck->li_out_notify != NULL);
3374 lfsck->li_out_notify(env, lfsck->li_out_notify_data,
3375 LE_LASTID_REBUILDING);
3376 lo->ll_flags |= LF_CRASHED_LASTID;
3379 lls->lls_lastid = oid;
3383 GOTO(unlock, rc = 0);
3386 up_write(&com->lc_sem);
3391 static int lfsck_layout_exec_dir(const struct lu_env *env,
3392 struct lfsck_component *com,
3393 struct dt_object *obj,
3394 struct lu_dirent *ent)
3399 static int lfsck_layout_master_post(const struct lu_env *env,
3400 struct lfsck_component *com,
3401 int result, bool init)
3403 struct lfsck_instance *lfsck = com->lc_lfsck;
3404 struct lfsck_layout *lo = com->lc_file_ram;
3405 struct lfsck_layout_master_data *llmd = com->lc_data;
3406 struct ptlrpc_thread *mthread = &lfsck->li_thread;
3407 struct ptlrpc_thread *athread = &llmd->llmd_thread;
3408 struct l_wait_info lwi = { 0 };
3413 llmd->llmd_post_result = result;
3414 llmd->llmd_to_post = 1;
3415 if (llmd->llmd_post_result <= 0)
3416 llmd->llmd_exit = 1;
3418 wake_up_all(&athread->t_ctl_waitq);
3419 l_wait_event(mthread->t_ctl_waitq,
3420 (result > 0 && list_empty(&llmd->llmd_req_list)) ||
3421 thread_is_stopped(athread),
3424 if (llmd->llmd_assistant_status < 0)
3425 result = llmd->llmd_assistant_status;
3427 down_write(&com->lc_sem);
3428 spin_lock(&lfsck->li_lock);
3429 /* When LFSCK failed, there may be some prefetched objects those are
3430 * not been processed yet, we do not know the exactly position, then
3431 * just restart from last check-point next time. */
3432 if (!init && !llmd->llmd_exit)
3433 lo->ll_pos_last_checkpoint =
3434 lfsck->li_pos_current.lp_oit_cookie;
3437 lo->ll_status = LS_SCANNING_PHASE2;
3438 lo->ll_flags |= LF_SCANNED_ONCE;
3439 lo->ll_flags &= ~LF_UPGRADE;
3440 list_del_init(&com->lc_link);
3441 list_add_tail(&com->lc_link, &lfsck->li_list_double_scan);
3442 } else if (result == 0) {
3443 lo->ll_status = lfsck->li_status;
3444 if (lo->ll_status == 0)
3445 lo->ll_status = LS_STOPPED;
3446 if (lo->ll_status != LS_PAUSED) {
3447 list_del_init(&com->lc_link);
3448 list_add_tail(&com->lc_link, &lfsck->li_list_idle);
3451 lo->ll_status = LS_FAILED;
3452 list_del_init(&com->lc_link);
3453 list_add_tail(&com->lc_link, &lfsck->li_list_idle);
3455 spin_unlock(&lfsck->li_lock);
3458 lo->ll_run_time_phase1 += cfs_duration_sec(cfs_time_current() +
3459 HALF_SEC - lfsck->li_time_last_checkpoint);
3460 lo->ll_time_last_checkpoint = cfs_time_current_sec();
3461 lo->ll_objs_checked_phase1 += com->lc_new_checked;
3462 com->lc_new_checked = 0;
3465 rc = lfsck_layout_store(env, com);
3466 up_write(&com->lc_sem);
3471 static int lfsck_layout_slave_post(const struct lu_env *env,
3472 struct lfsck_component *com,
3473 int result, bool init)
3475 struct lfsck_instance *lfsck = com->lc_lfsck;
3476 struct lfsck_layout *lo = com->lc_file_ram;
3480 rc = lfsck_layout_lastid_store(env, com);
3484 LASSERT(lfsck->li_out_notify != NULL);
3486 down_write(&com->lc_sem);
3488 spin_lock(&lfsck->li_lock);
3490 lo->ll_pos_last_checkpoint =
3491 lfsck->li_pos_current.lp_oit_cookie;
3493 lo->ll_status = LS_SCANNING_PHASE2;
3494 lo->ll_flags |= LF_SCANNED_ONCE;
3495 if (lo->ll_flags & LF_CRASHED_LASTID) {
3497 lo->ll_flags &= ~LF_CRASHED_LASTID;
3499 lo->ll_flags &= ~LF_UPGRADE;
3500 list_del_init(&com->lc_link);
3501 list_add_tail(&com->lc_link, &lfsck->li_list_double_scan);
3502 } else if (result == 0) {
3503 lo->ll_status = lfsck->li_status;
3504 if (lo->ll_status == 0)
3505 lo->ll_status = LS_STOPPED;
3506 if (lo->ll_status != LS_PAUSED) {
3507 list_del_init(&com->lc_link);
3508 list_add_tail(&com->lc_link, &lfsck->li_list_idle);
3511 lo->ll_status = LS_FAILED;
3512 list_del_init(&com->lc_link);
3513 list_add_tail(&com->lc_link, &lfsck->li_list_idle);
3515 spin_unlock(&lfsck->li_lock);
3518 lfsck->li_out_notify(env, lfsck->li_out_notify_data,
3522 lo->ll_run_time_phase1 += cfs_duration_sec(cfs_time_current() +
3523 HALF_SEC - lfsck->li_time_last_checkpoint);
3524 lo->ll_time_last_checkpoint = cfs_time_current_sec();
3525 lo->ll_objs_checked_phase1 += com->lc_new_checked;
3526 com->lc_new_checked = 0;
3529 rc = lfsck_layout_store(env, com);
3531 up_write(&com->lc_sem);
3533 lfsck_layout_slave_notify_master(env, com, LE_PHASE1_DONE, result);
3536 lfsck_rbtree_cleanup(env, com);
3541 static int lfsck_layout_dump(const struct lu_env *env,
3542 struct lfsck_component *com, char *buf, int len)
3544 struct lfsck_instance *lfsck = com->lc_lfsck;
3545 struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
3546 struct lfsck_layout *lo = com->lc_file_ram;
3551 down_read(&com->lc_sem);
3552 rc = snprintf(buf, len,
3553 "name: lfsck_layout\n"
3559 lfsck_status2names(lo->ll_status));
3565 rc = lfsck_bits_dump(&buf, &len, lo->ll_flags, lfsck_flags_names,
3570 rc = lfsck_bits_dump(&buf, &len, bk->lb_param, lfsck_param_names,
3575 rc = lfsck_time_dump(&buf, &len, lo->ll_time_last_complete,
3576 "time_since_last_completed");
3580 rc = lfsck_time_dump(&buf, &len, lo->ll_time_latest_start,
3581 "time_since_latest_start");
3585 rc = lfsck_time_dump(&buf, &len, lo->ll_time_last_checkpoint,
3586 "time_since_last_checkpoint");
3590 rc = snprintf(buf, len,
3591 "latest_start_position: "LPU64"\n"
3592 "last_checkpoint_position: "LPU64"\n"
3593 "first_failure_position: "LPU64"\n",
3594 lo->ll_pos_latest_start,
3595 lo->ll_pos_last_checkpoint,
3596 lo->ll_pos_first_inconsistent);
3603 rc = snprintf(buf, len,
3604 "success_count: %u\n"
3605 "repaired_dangling: "LPU64"\n"
3606 "repaired_unmatched_pair: "LPU64"\n"
3607 "repaired_multiple_referenced: "LPU64"\n"
3608 "repaired_orphan: "LPU64"\n"
3609 "repaired_inconsistent_owner: "LPU64"\n"
3610 "repaired_others: "LPU64"\n"
3611 "skipped: "LPU64"\n"
3612 "failed_phase1: "LPU64"\n"
3613 "failed_phase2: "LPU64"\n",
3614 lo->ll_success_count,
3615 lo->ll_objs_repaired[LLIT_DANGLING - 1],
3616 lo->ll_objs_repaired[LLIT_UNMATCHED_PAIR - 1],
3617 lo->ll_objs_repaired[LLIT_MULTIPLE_REFERENCED - 1],
3618 lo->ll_objs_repaired[LLIT_ORPHAN - 1],
3619 lo->ll_objs_repaired[LLIT_INCONSISTENT_OWNER - 1],
3620 lo->ll_objs_repaired[LLIT_OTHERS - 1],
3621 lo->ll_objs_skipped,
3622 lo->ll_objs_failed_phase1,
3623 lo->ll_objs_failed_phase2);
3630 if (lo->ll_status == LS_SCANNING_PHASE1) {
3632 const struct dt_it_ops *iops;
3633 cfs_duration_t duration = cfs_time_current() -
3634 lfsck->li_time_last_checkpoint;
3635 __u64 checked = lo->ll_objs_checked_phase1 + com->lc_new_checked;
3636 __u64 speed = checked;
3637 __u64 new_checked = com->lc_new_checked * HZ;
3638 __u32 rtime = lo->ll_run_time_phase1 +
3639 cfs_duration_sec(duration + HALF_SEC);
3642 do_div(new_checked, duration);
3644 do_div(speed, rtime);
3645 rc = snprintf(buf, len,
3646 "checked_phase1: "LPU64"\n"
3647 "checked_phase2: "LPU64"\n"
3648 "run_time_phase1: %u seconds\n"
3649 "run_time_phase2: %u seconds\n"
3650 "average_speed_phase1: "LPU64" items/sec\n"
3651 "average_speed_phase2: N/A\n"
3652 "real-time_speed_phase1: "LPU64" items/sec\n"
3653 "real-time_speed_phase2: N/A\n",
3655 lo->ll_objs_checked_phase2,
3657 lo->ll_run_time_phase2,
3666 LASSERT(lfsck->li_di_oit != NULL);
3668 iops = &lfsck->li_obj_oit->do_index_ops->dio_it;
3670 /* The low layer otable-based iteration position may NOT
3671 * exactly match the layout-based directory traversal
3672 * cookie. Generally, it is not a serious issue. But the
3673 * caller should NOT make assumption on that. */
3674 pos = iops->store(env, lfsck->li_di_oit);
3675 if (!lfsck->li_current_oit_processed)
3677 rc = snprintf(buf, len, "current_position: "LPU64"\n", pos);
3684 /* XXX: LS_SCANNING_PHASE2 will be handled in the future. */
3685 __u64 speed1 = lo->ll_objs_checked_phase1;
3686 __u64 speed2 = lo->ll_objs_checked_phase2;
3688 if (lo->ll_run_time_phase1 != 0)
3689 do_div(speed1, lo->ll_run_time_phase1);
3690 if (lo->ll_run_time_phase2 != 0)
3691 do_div(speed2, lo->ll_run_time_phase2);
3692 rc = snprintf(buf, len,
3693 "checked_phase1: "LPU64"\n"
3694 "checked_phase2: "LPU64"\n"
3695 "run_time_phase1: %u seconds\n"
3696 "run_time_phase2: %u seconds\n"
3697 "average_speed_phase1: "LPU64" items/sec\n"
3698 "average_speed_phase2: "LPU64" objs/sec\n"
3699 "real-time_speed_phase1: N/A\n"
3700 "real-time_speed_phase2: N/A\n"
3701 "current_position: N/A\n",
3702 lo->ll_objs_checked_phase1,
3703 lo->ll_objs_checked_phase2,
3704 lo->ll_run_time_phase1,
3705 lo->ll_run_time_phase2,
3717 up_read(&com->lc_sem);
3722 static int lfsck_layout_master_double_scan(const struct lu_env *env,
3723 struct lfsck_component *com)
3725 struct lfsck_layout_master_data *llmd = com->lc_data;
3726 struct ptlrpc_thread *mthread = &com->lc_lfsck->li_thread;
3727 struct ptlrpc_thread *athread = &llmd->llmd_thread;
3728 struct lfsck_layout *lo = com->lc_file_ram;
3729 struct l_wait_info lwi = { 0 };
3731 if (unlikely(lo->ll_status != LS_SCANNING_PHASE2))
3734 llmd->llmd_to_double_scan = 1;
3735 wake_up_all(&athread->t_ctl_waitq);
3736 l_wait_event(mthread->t_ctl_waitq,
3737 llmd->llmd_in_double_scan ||
3738 thread_is_stopped(athread),
3740 if (llmd->llmd_assistant_status < 0)
3741 return llmd->llmd_assistant_status;
3746 static int lfsck_layout_slave_double_scan(const struct lu_env *env,
3747 struct lfsck_component *com)
3749 struct lfsck_instance *lfsck = com->lc_lfsck;
3750 struct lfsck_layout_slave_data *llsd = com->lc_data;
3751 struct lfsck_layout *lo = com->lc_file_ram;
3752 struct ptlrpc_thread *thread = &lfsck->li_thread;
3756 if (unlikely(lo->ll_status != LS_SCANNING_PHASE2)) {
3757 lfsck_rbtree_cleanup(env, com);
3761 atomic_inc(&lfsck->li_double_scan_count);
3763 com->lc_new_checked = 0;
3764 com->lc_new_scanned = 0;
3765 com->lc_time_last_checkpoint = cfs_time_current();
3766 com->lc_time_next_checkpoint = com->lc_time_last_checkpoint +
3767 cfs_time_seconds(LFSCK_CHECKPOINT_INTERVAL);
3770 struct l_wait_info lwi = LWI_TIMEOUT(cfs_time_seconds(30),
3773 rc = lfsck_layout_slave_query_master(env, com);
3774 if (list_empty(&llsd->llsd_master_list)) {
3775 if (unlikely(!thread_is_running(thread)))
3786 rc = l_wait_event(thread->t_ctl_waitq,
3787 !thread_is_running(thread) ||
3788 list_empty(&llsd->llsd_master_list),
3790 if (unlikely(!thread_is_running(thread)))
3793 if (rc == -ETIMEDOUT)
3796 GOTO(done, rc = (rc < 0 ? rc : 1));
3800 rc = lfsck_layout_double_scan_result(env, com, rc);
3802 lfsck_rbtree_cleanup(env, com);
3803 if (atomic_dec_and_test(&lfsck->li_double_scan_count))
3804 wake_up_all(&lfsck->li_thread.t_ctl_waitq);
3809 static void lfsck_layout_master_data_release(const struct lu_env *env,
3810 struct lfsck_component *com)
3812 struct lfsck_layout_master_data *llmd = com->lc_data;
3813 struct lfsck_instance *lfsck = com->lc_lfsck;
3814 struct lfsck_tgt_descs *ltds;
3815 struct lfsck_tgt_desc *ltd;
3816 struct lfsck_tgt_desc *next;
3818 LASSERT(llmd != NULL);
3819 LASSERT(thread_is_init(&llmd->llmd_thread) ||
3820 thread_is_stopped(&llmd->llmd_thread));
3821 LASSERT(list_empty(&llmd->llmd_req_list));
3823 com->lc_data = NULL;
3825 ltds = &lfsck->li_ost_descs;
3826 spin_lock(<ds->ltd_lock);
3827 list_for_each_entry_safe(ltd, next, &llmd->llmd_ost_phase1_list,
3828 ltd_layout_phase_list) {
3829 list_del_init(<d->ltd_layout_phase_list);
3831 list_for_each_entry_safe(ltd, next, &llmd->llmd_ost_phase2_list,
3832 ltd_layout_phase_list) {
3833 list_del_init(<d->ltd_layout_phase_list);
3835 list_for_each_entry_safe(ltd, next, &llmd->llmd_ost_list,
3837 list_del_init(<d->ltd_layout_list);
3839 list_for_each_entry_safe(ltd, next, &llmd->llmd_mdt_phase1_list,
3840 ltd_layout_phase_list) {
3841 list_del_init(<d->ltd_layout_phase_list);
3843 list_for_each_entry_safe(ltd, next, &llmd->llmd_mdt_phase2_list,
3844 ltd_layout_phase_list) {
3845 list_del_init(<d->ltd_layout_phase_list);
3847 list_for_each_entry_safe(ltd, next, &llmd->llmd_mdt_list,
3849 list_del_init(<d->ltd_layout_list);
3851 spin_unlock(<ds->ltd_lock);
3856 static void lfsck_layout_slave_data_release(const struct lu_env *env,
3857 struct lfsck_component *com)
3859 struct lfsck_layout_slave_data *llsd = com->lc_data;
3860 struct lfsck_layout_seq *lls;
3861 struct lfsck_layout_seq *next;
3862 struct lfsck_layout_slave_target *llst;
3863 struct lfsck_layout_slave_target *tmp;
3865 LASSERT(llsd != NULL);
3867 list_for_each_entry_safe(lls, next, &llsd->llsd_seq_list,
3869 list_del_init(&lls->lls_list);
3870 lfsck_object_put(env, lls->lls_lastid_obj);
3874 list_for_each_entry_safe(llst, tmp, &llsd->llsd_master_list,
3876 list_del_init(&llst->llst_list);
3880 lfsck_rbtree_cleanup(env, com);
3881 com->lc_data = NULL;
3885 static void lfsck_layout_master_quit(const struct lu_env *env,
3886 struct lfsck_component *com)
3888 struct lfsck_layout_master_data *llmd = com->lc_data;
3889 struct ptlrpc_thread *mthread = &com->lc_lfsck->li_thread;
3890 struct ptlrpc_thread *athread = &llmd->llmd_thread;
3891 struct l_wait_info lwi = { 0 };
3893 llmd->llmd_exit = 1;
3894 wake_up_all(&athread->t_ctl_waitq);
3895 l_wait_event(mthread->t_ctl_waitq,
3896 thread_is_init(athread) ||
3897 thread_is_stopped(athread),
3901 static void lfsck_layout_slave_quit(const struct lu_env *env,
3902 struct lfsck_component *com)
3904 lfsck_rbtree_cleanup(env, com);
3907 static int lfsck_layout_master_in_notify(const struct lu_env *env,
3908 struct lfsck_component *com,
3909 struct lfsck_request *lr)
3911 struct lfsck_instance *lfsck = com->lc_lfsck;
3912 struct lfsck_layout *lo = com->lc_file_ram;
3913 struct lfsck_layout_master_data *llmd = com->lc_data;
3914 struct lfsck_tgt_descs *ltds;
3915 struct lfsck_tgt_desc *ltd;
3918 if (lr->lr_event != LE_PHASE1_DONE &&
3919 lr->lr_event != LE_PHASE2_DONE &&
3920 lr->lr_event != LE_STOP)
3923 if (lr->lr_flags & LEF_FROM_OST)
3924 ltds = &lfsck->li_ost_descs;
3926 ltds = &lfsck->li_mdt_descs;
3927 spin_lock(<ds->ltd_lock);
3928 ltd = LTD_TGT(ltds, lr->lr_index);
3930 spin_unlock(<ds->ltd_lock);
3935 list_del_init(<d->ltd_layout_phase_list);
3936 switch (lr->lr_event) {
3937 case LE_PHASE1_DONE:
3938 if (lr->lr_status <= 0) {
3939 ltd->ltd_layout_done = 1;
3940 list_del_init(<d->ltd_layout_list);
3941 lo->ll_flags |= LF_INCOMPLETE;
3945 if (lr->lr_flags & LEF_FROM_OST) {
3946 if (list_empty(<d->ltd_layout_list))
3947 list_add_tail(<d->ltd_layout_list,
3948 &llmd->llmd_ost_list);
3949 list_add_tail(<d->ltd_layout_phase_list,
3950 &llmd->llmd_ost_phase2_list);
3952 if (list_empty(<d->ltd_layout_list))
3953 list_add_tail(<d->ltd_layout_list,
3954 &llmd->llmd_mdt_list);
3955 list_add_tail(<d->ltd_layout_phase_list,
3956 &llmd->llmd_mdt_phase2_list);
3959 case LE_PHASE2_DONE:
3960 ltd->ltd_layout_done = 1;
3961 list_del_init(<d->ltd_layout_list);
3964 ltd->ltd_layout_done = 1;
3965 list_del_init(<d->ltd_layout_list);
3966 if (!(lr->lr_flags & LEF_FORCE_STOP))
3967 lo->ll_flags |= LF_INCOMPLETE;
3972 spin_unlock(<ds->ltd_lock);
3974 if (lr->lr_flags & LEF_FORCE_STOP) {
3975 struct lfsck_stop *stop = &lfsck_env_info(env)->lti_stop;
3977 memset(stop, 0, sizeof(*stop));
3978 stop->ls_status = lr->lr_status;
3979 stop->ls_flags = lr->lr_param;
3980 lfsck_stop(env, lfsck->li_bottom, stop);
3981 } else if (lfsck_layout_master_to_orphan(llmd)) {
3982 wake_up_all(&llmd->llmd_thread.t_ctl_waitq);
3988 static int lfsck_layout_slave_in_notify(const struct lu_env *env,
3989 struct lfsck_component *com,
3990 struct lfsck_request *lr)
3992 struct lfsck_instance *lfsck = com->lc_lfsck;
3993 struct lfsck_layout_slave_data *llsd = com->lc_data;
3994 struct lfsck_layout_slave_target *llst;
3997 if (lr->lr_event == LE_FID_ACCESSED) {
3998 lfsck_rbtree_update_bitmap(env, com, &lr->lr_fid, true);
4003 if (lr->lr_event != LE_PHASE2_DONE &&
4004 lr->lr_event != LE_STOP)
4007 llst = lfsck_layout_llst_find_and_del(llsd, lr->lr_index);
4011 lfsck_layout_llst_put(llst);
4012 if (list_empty(&llsd->llsd_master_list)) {
4013 switch (lr->lr_event) {
4014 case LE_PHASE2_DONE:
4015 wake_up_all(&lfsck->li_thread.t_ctl_waitq);
4018 struct lfsck_stop *stop = &lfsck_env_info(env)->lti_stop;
4020 memset(stop, 0, sizeof(*stop));
4021 stop->ls_status = lr->lr_status;
4022 stop->ls_flags = lr->lr_param;
4023 lfsck_stop(env, lfsck->li_bottom, stop);
4034 static int lfsck_layout_query(const struct lu_env *env,
4035 struct lfsck_component *com)
4037 struct lfsck_layout *lo = com->lc_file_ram;
4039 return lo->ll_status;
4042 static int lfsck_layout_master_stop_notify(const struct lu_env *env,
4043 struct lfsck_component *com,
4044 struct lfsck_tgt_descs *ltds,
4045 struct lfsck_tgt_desc *ltd,
4046 struct ptlrpc_request_set *set)
4048 struct lfsck_thread_info *info = lfsck_env_info(env);
4049 struct lfsck_async_interpret_args *laia = &info->lti_laia;
4050 struct lfsck_request *lr = &info->lti_lr;
4051 struct lfsck_instance *lfsck = com->lc_lfsck;
4054 LASSERT(list_empty(<d->ltd_layout_list));
4055 LASSERT(list_empty(<d->ltd_layout_phase_list));
4057 memset(lr, 0, sizeof(*lr));
4058 lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
4059 lr->lr_event = LE_STOP;
4060 lr->lr_active = LT_LAYOUT;
4061 if (ltds == &lfsck->li_ost_descs) {
4062 lr->lr_flags = LEF_TO_OST;
4064 if (ltd->ltd_index == lfsck_dev_idx(lfsck->li_bottom))
4069 lr->lr_status = LS_CO_STOPPED;
4071 laia->laia_com = com;
4072 laia->laia_ltds = ltds;
4073 laia->laia_ltd = ltd;
4076 rc = lfsck_async_request(env, ltd->ltd_exp, lr, set,
4077 lfsck_layout_master_async_interpret,
4078 laia, LFSCK_NOTIFY);
4080 CERROR("%s: Fail to notify %s %x for co-stop: rc = %d\n",
4081 lfsck_lfsck2name(lfsck),
4082 (lr->lr_flags & LEF_TO_OST) ? "OST" : "MDT",
4083 ltd->ltd_index, rc);
4088 /* with lfsck::li_lock held */
4089 static int lfsck_layout_slave_join(const struct lu_env *env,
4090 struct lfsck_component *com,
4091 struct lfsck_start_param *lsp)
4093 struct lfsck_instance *lfsck = com->lc_lfsck;
4094 struct lfsck_layout_slave_data *llsd = com->lc_data;
4095 struct lfsck_layout_slave_target *llst;
4096 struct lfsck_start *start = lsp->lsp_start;
4100 if (!lsp->lsp_index_valid || start == NULL ||
4101 !(start->ls_flags & LPF_ALL_MDT))
4104 spin_unlock(&lfsck->li_lock);
4105 rc = lfsck_layout_llst_add(llsd, lsp->lsp_index);
4106 spin_lock(&lfsck->li_lock);
4107 if (rc == 0 && !thread_is_running(&lfsck->li_thread)) {
4108 spin_unlock(&lfsck->li_lock);
4109 llst = lfsck_layout_llst_find_and_del(llsd, lsp->lsp_index);
4111 lfsck_layout_llst_put(llst);
4112 spin_lock(&lfsck->li_lock);
4119 static struct lfsck_operations lfsck_layout_master_ops = {
4120 .lfsck_reset = lfsck_layout_reset,
4121 .lfsck_fail = lfsck_layout_fail,
4122 .lfsck_checkpoint = lfsck_layout_master_checkpoint,
4123 .lfsck_prep = lfsck_layout_master_prep,
4124 .lfsck_exec_oit = lfsck_layout_master_exec_oit,
4125 .lfsck_exec_dir = lfsck_layout_exec_dir,
4126 .lfsck_post = lfsck_layout_master_post,
4127 .lfsck_dump = lfsck_layout_dump,
4128 .lfsck_double_scan = lfsck_layout_master_double_scan,
4129 .lfsck_data_release = lfsck_layout_master_data_release,
4130 .lfsck_quit = lfsck_layout_master_quit,
4131 .lfsck_in_notify = lfsck_layout_master_in_notify,
4132 .lfsck_query = lfsck_layout_query,
4133 .lfsck_stop_notify = lfsck_layout_master_stop_notify,
4136 static struct lfsck_operations lfsck_layout_slave_ops = {
4137 .lfsck_reset = lfsck_layout_reset,
4138 .lfsck_fail = lfsck_layout_fail,
4139 .lfsck_checkpoint = lfsck_layout_slave_checkpoint,
4140 .lfsck_prep = lfsck_layout_slave_prep,
4141 .lfsck_exec_oit = lfsck_layout_slave_exec_oit,
4142 .lfsck_exec_dir = lfsck_layout_exec_dir,
4143 .lfsck_post = lfsck_layout_slave_post,
4144 .lfsck_dump = lfsck_layout_dump,
4145 .lfsck_double_scan = lfsck_layout_slave_double_scan,
4146 .lfsck_data_release = lfsck_layout_slave_data_release,
4147 .lfsck_quit = lfsck_layout_slave_quit,
4148 .lfsck_in_notify = lfsck_layout_slave_in_notify,
4149 .lfsck_query = lfsck_layout_query,
4150 .lfsck_join = lfsck_layout_slave_join,
4153 int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck)
4155 struct lfsck_component *com;
4156 struct lfsck_layout *lo;
4157 struct dt_object *root = NULL;
4158 struct dt_object *obj;
4166 INIT_LIST_HEAD(&com->lc_link);
4167 INIT_LIST_HEAD(&com->lc_link_dir);
4168 init_rwsem(&com->lc_sem);
4169 atomic_set(&com->lc_ref, 1);
4170 com->lc_lfsck = lfsck;
4171 com->lc_type = LT_LAYOUT;
4172 if (lfsck->li_master) {
4173 struct lfsck_layout_master_data *llmd;
4175 com->lc_ops = &lfsck_layout_master_ops;
4176 OBD_ALLOC_PTR(llmd);
4178 GOTO(out, rc = -ENOMEM);
4180 INIT_LIST_HEAD(&llmd->llmd_req_list);
4181 spin_lock_init(&llmd->llmd_lock);
4182 INIT_LIST_HEAD(&llmd->llmd_ost_list);
4183 INIT_LIST_HEAD(&llmd->llmd_ost_phase1_list);
4184 INIT_LIST_HEAD(&llmd->llmd_ost_phase2_list);
4185 INIT_LIST_HEAD(&llmd->llmd_mdt_list);
4186 INIT_LIST_HEAD(&llmd->llmd_mdt_phase1_list);
4187 INIT_LIST_HEAD(&llmd->llmd_mdt_phase2_list);
4188 init_waitqueue_head(&llmd->llmd_thread.t_ctl_waitq);
4189 com->lc_data = llmd;
4191 struct lfsck_layout_slave_data *llsd;
4193 com->lc_ops = &lfsck_layout_slave_ops;
4194 OBD_ALLOC_PTR(llsd);
4196 GOTO(out, rc = -ENOMEM);
4198 INIT_LIST_HEAD(&llsd->llsd_seq_list);
4199 INIT_LIST_HEAD(&llsd->llsd_master_list);
4200 spin_lock_init(&llsd->llsd_lock);
4201 llsd->llsd_rb_root = RB_ROOT;
4202 rwlock_init(&llsd->llsd_rb_lock);
4203 com->lc_data = llsd;
4205 com->lc_file_size = sizeof(*lo);
4206 OBD_ALLOC(com->lc_file_ram, com->lc_file_size);
4207 if (com->lc_file_ram == NULL)
4208 GOTO(out, rc = -ENOMEM);
4210 OBD_ALLOC(com->lc_file_disk, com->lc_file_size);
4211 if (com->lc_file_disk == NULL)
4212 GOTO(out, rc = -ENOMEM);
4214 root = dt_locate(env, lfsck->li_bottom, &lfsck->li_local_root_fid);
4216 GOTO(out, rc = PTR_ERR(root));
4218 if (unlikely(!dt_try_as_dir(env, root)))
4219 GOTO(out, rc = -ENOTDIR);
4221 obj = local_file_find_or_create(env, lfsck->li_los, root,
4223 S_IFREG | S_IRUGO | S_IWUSR);
4225 GOTO(out, rc = PTR_ERR(obj));
4228 rc = lfsck_layout_load(env, com);
4230 rc = lfsck_layout_reset(env, com, true);
4231 else if (rc == -ENOENT)
4232 rc = lfsck_layout_init(env, com);
4237 lo = com->lc_file_ram;
4238 switch (lo->ll_status) {
4244 spin_lock(&lfsck->li_lock);
4245 list_add_tail(&com->lc_link, &lfsck->li_list_idle);
4246 spin_unlock(&lfsck->li_lock);
4249 CERROR("%s: unknown lfsck_layout status: rc = %u\n",
4250 lfsck_lfsck2name(lfsck), lo->ll_status);
4252 case LS_SCANNING_PHASE1:
4253 case LS_SCANNING_PHASE2:
4254 /* No need to store the status to disk right now.
4255 * If the system crashed before the status stored,
4256 * it will be loaded back when next time. */
4257 lo->ll_status = LS_CRASHED;
4258 lo->ll_flags |= LF_INCOMPLETE;
4265 spin_lock(&lfsck->li_lock);
4266 list_add_tail(&com->lc_link, &lfsck->li_list_scan);
4267 spin_unlock(&lfsck->li_lock);
4271 if (lo->ll_flags & LF_CRASHED_LASTID) {
4272 LASSERT(lfsck->li_out_notify != NULL);
4274 lfsck->li_out_notify(env, lfsck->li_out_notify_data,
4275 LE_LASTID_REBUILDING);
4281 if (root != NULL && !IS_ERR(root))
4282 lu_object_put(env, &root->do_lu);
4285 lfsck_component_cleanup(env, com);