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, 2016, Intel Corporation.
26 * lustre/lfsck/lfsck_internal.h
28 * Shared definitions and declarations for the LFSCK.
30 * Author: Fan, Yong <fan.yong@intel.com>
33 #ifndef _LFSCK_INTERNAL_H
34 # define _LFSCK_INTERNAL_H
36 #include <lustre/lustre_lfsck_user.h>
37 #include <lustre/lustre_user.h>
38 #include <lustre/lustre_idl.h>
39 #include <lustre_lfsck.h>
41 #include <lu_object.h>
42 #include <dt_object.h>
43 #include <md_object.h>
44 #include <lustre_net.h>
45 #include <lustre_dlm.h>
46 #include <lustre_fid.h>
47 #include <md_object.h>
48 #include <lustre_linkea.h>
50 #define HALF_SEC msecs_to_jiffies(MSEC_PER_SEC >> 1)
51 #define LFSCK_CHECKPOINT_INTERVAL 60
54 /* Finish the first cycle scanning. */
55 LF_SCANNED_ONCE = 0x00000001ULL,
57 /* There is some namespace inconsistency. */
58 LF_INCONSISTENT = 0x00000002ULL,
60 /* The device is upgraded from 1.8 format. */
61 LF_UPGRADE = 0x00000004ULL,
63 /* The server ever restarted during the LFSCK, and may miss to process
64 * some objects check/repair. */
65 LF_INCOMPLETE = 0x00000008ULL,
67 /* The LAST_ID (file) crashed. */
68 LF_CRASHED_LASTID = 0x00000010ULL,
71 struct lfsck_position {
72 /* low layer object table-based iteration position. */
75 /* parent FID for directory traversal. */
76 struct lu_fid lp_dir_parent;
78 /* namespace-based directory traversal position. */
82 struct lfsck_bookmark {
83 /* Magic number to detect that this struct contains valid data. */
86 /* For compatible with old versions. */
89 /* See 'enum lfsck_param_flags' */
92 /* How many items can be scanned at most per second. */
95 /* The windows size for async requests pipeline. */
96 __u16 lb_async_windows;
98 /* For 64-bits aligned. */
101 /* The FID for .lustre/lost+found/MDTxxxx */
102 struct lu_fid lb_lpf_fid;
104 /* The FID for the last MDT-object created by the LFSCK repairing. */
105 struct lu_fid lb_last_fid;
107 /* For future using. */
108 __u64 lb_reserved[2];
111 enum lfsck_namespace_trace_flags {
112 LNTF_CHECK_LINKEA = 0x01,
113 LNTF_CHECK_PARENT = 0x02,
114 LNTF_CHECK_ORPHAN = 0x08,
115 LNTF_UNCERTAIN_LMV = 0x10,
116 LNTF_RECHECK_NAME_HASH = 0x20,
120 enum lfsck_namespace_inconsistency_type {
123 LNIT_UNMATCHED_PAIRS = 2,
130 struct lfsck_namespace {
131 /* Magic number to detect that this struct contains valid data. */
134 /* See 'enum lfsck_status'. */
137 /* See 'enum lfsck_flags'. */
140 /* How many completed LFSCK runs on the device. */
141 __u32 ln_success_count;
143 /* How long the LFSCK phase1 has run in seconds. */
144 __u32 ln_run_time_phase1;
146 /* How long the LFSCK phase2 has run in seconds. */
147 __u32 ln_run_time_phase2;
149 /* Time for the last LFSCK completed in seconds since epoch. */
150 __u64 ln_time_last_complete;
152 /* Time for the latest LFSCK ran in seconds since epoch. */
153 __u64 ln_time_latest_start;
155 /* Time for the last LFSCK checkpoint in seconds since epoch. */
156 __u64 ln_time_last_checkpoint;
158 /* Position for the latest LFSCK started from. */
159 struct lfsck_position ln_pos_latest_start;
161 /* Position for the last LFSCK checkpoint. */
162 struct lfsck_position ln_pos_last_checkpoint;
164 /* Position for the first should be updated object. */
165 struct lfsck_position ln_pos_first_inconsistent;
167 /* How many items (including dir) have been checked. */
168 __u64 ln_items_checked;
170 /* How many items have been repaired. */
171 __u64 ln_items_repaired;
173 /* How many items failed to be processed. */
174 __u64 ln_items_failed;
176 /* How many directories have been traversed. */
177 __u64 ln_dirs_checked;
179 /* How many objects have been double scanned. */
180 __u64 ln_objs_checked_phase2;
182 /* How many objects have been reparied during double scan. */
183 __u64 ln_objs_repaired_phase2;
185 /* How many objects failed to be processed during double scan. */
186 __u64 ln_objs_failed_phase2;
188 /* How many objects with nlink fixed. */
189 __u64 ln_objs_nlink_repaired;
191 /* The latest object has been processed (failed) during double scan. */
192 struct lu_fid ln_fid_latest_scanned_phase2;
194 /* How many FID-in-dirent entries have been repaired. */
195 __u64 ln_dirent_repaired;
197 /* How many linkEA entries have been repaired. */
198 __u64 ln_linkea_repaired;
200 /* How many multiple-linked objects have been checked. */
201 __u64 ln_mul_linked_checked;
203 /* How many multiple-linked objects have been repaired. */
204 __u64 ln_mul_linked_repaired;
206 /* How many undefined inconsistency found in phase2. */
207 __u64 ln_unknown_inconsistency;
209 /* How many unmatched pairs have been repaired. */
210 __u64 ln_unmatched_pairs_repaired;
212 /* How many dangling name entries have been found/repaired. */
213 __u64 ln_dangling_repaired;
215 /* How many multiple referenced name entries have been
217 __u64 ln_mul_ref_repaired;
219 /* How many name entries with bad file type have been repaired. */
220 __u64 ln_bad_type_repaired;
222 /* How many lost name entries have been re-inserted. */
223 __u64 ln_lost_dirent_repaired;
225 /* How many objects under /lost+found have been scanned. */
226 __u64 ln_local_lpf_scanned;
228 /* How many objects under /lost+found have been moved to
229 * namespace visible directory. */
230 __u64 ln_local_lpf_moved;
232 /* How many objects under /lost+found have been skipped. */
233 __u64 ln_local_lpf_skipped;
235 /* How many objects under /lost+found failed to be processed. */
236 __u64 ln_local_lpf_failed;
238 /* How many striped directories (master) have been scanned. */
239 __u64 ln_striped_dirs_scanned;
241 /* How many striped directories (master) have been repaired. */
242 __u64 ln_striped_dirs_repaired;
244 /* How many striped directories (master) failed verification. */
245 __u64 ln_striped_dirs_failed;
247 /* How many striped directories (master) has been disabled. */
248 __u64 ln_striped_dirs_disabled;
250 /* How many striped directory's (master) have been skipped
251 * (for shards verification) because of lost master LMV EA. */
252 __u64 ln_striped_dirs_skipped;
254 /* How many striped directory's shards (slave) have been scanned. */
255 __u64 ln_striped_shards_scanned;
257 /* How many striped directory's shards (slave) have been repaired. */
258 __u64 ln_striped_shards_repaired;
260 /* How many striped directory's shards (slave) failed verification. */
261 __u64 ln_striped_shards_failed;
263 /* How many striped directory's shards (slave) have been skipped
264 * (for name hash verification) because do not know whether the slave
265 * LMV EA is valid or not. */
266 __u64 ln_striped_shards_skipped;
268 /* How many name entries under striped directory with bad name
269 * hash have been repaired. */
270 __u64 ln_name_hash_repaired;
272 /* The size of MDT targets bitmap with nbits. Such bitmap records
273 * the MDTs that contain non-verified MDT-objects. */
274 __u32 ln_bitmap_size;
276 /* Time for the latest LFSCK scan in seconds from the beginning. */
277 __u32 ln_time_latest_reset;
279 /* How many linkEA overflow timestamp have been cleared. */
280 __u64 ln_linkea_overflow_cleared;
282 /* For further using. 256-bytes aligned now. */
283 __u64 ln_reserved[14];
286 enum lfsck_layout_inconsistency_type {
289 LLIT_UNMATCHED_PAIR = 2,
290 LLIT_MULTIPLE_REFERENCED = 3,
292 LLIT_INCONSISTENT_OWNER = 5,
294 LLIT_MAX = LLIT_OTHERS
297 struct lfsck_layout {
298 /* Magic number to detect that this struct contains valid data. */
301 /* See 'enum lfsck_status'. */
304 /* See 'enum lfsck_flags'. */
307 /* How many completed LFSCK runs on the device. */
308 __u32 ll_success_count;
310 /* How long the LFSCK phase1 has run in seconds. */
311 __u32 ll_run_time_phase1;
313 /* How long the LFSCK phase2 has run in seconds. */
314 __u32 ll_run_time_phase2;
316 /* Time for the last LFSCK completed in seconds since epoch. */
317 __u64 ll_time_last_complete;
319 /* Time for the latest LFSCK ran in seconds since epoch. */
320 __u64 ll_time_latest_start;
322 /* Time for the last LFSCK checkpoint in seconds since epoch. */
323 __u64 ll_time_last_checkpoint;
325 /* Position for the latest LFSCK started from. */
326 __u64 ll_pos_latest_start;
328 /* Position for the last LFSCK checkpoint. */
329 __u64 ll_pos_last_checkpoint;
331 /* Position for the first object to be fixed or
332 * failed to be checked in the phase1. */
333 __u64 ll_pos_first_inconsistent;
335 /* How many objects have been checked. */
336 __u64 ll_objs_checked_phase1;
338 /* How many objects failed to be processed. */
339 __u64 ll_objs_failed_phase1;
341 /* How many objects have been double scanned. */
342 __u64 ll_objs_checked_phase2;
344 /* How many objects failed to be processed during double scan. */
345 __u64 ll_objs_failed_phase2;
347 /* kinds of inconsistency have been or to be repaired.
348 * ll_objs_repaired[type - 1] is the count for the given @type. */
349 __u64 ll_objs_repaired[LLIT_MAX];
351 /* How many objects have been skipped because of related
352 * MDT(s)/OST(s) do not participate in the LFSCK */
353 __u64 ll_objs_skipped;
355 /* The size of ll_ost_bitmap with nbits. */
356 __u32 ll_bitmap_size;
358 /* For further using. 256-bytes aligned now. */
361 /* The latest object has been processed (failed) during double scan. */
362 struct lfsck_layout_dangling_key ll_lldk_latest_scanned_phase2;
364 __u64 ll_reserved_2[8];
366 /* The OST targets bitmap to record the OSTs that contain
367 * non-verified OST-objects. */
368 __u8 ll_ost_bitmap[0];
371 struct lfsck_assistant_object {
372 struct lu_fid lso_fid;
373 __u64 lso_oit_cookie;
374 struct lu_attr lso_attr;
376 unsigned int lso_dead:1,
380 struct lfsck_component;
381 struct lfsck_tgt_descs;
382 struct lfsck_tgt_desc;
384 struct lfsck_operations {
385 int (*lfsck_reset)(const struct lu_env *env,
386 struct lfsck_component *com,
389 void (*lfsck_fail)(const struct lu_env *env,
390 struct lfsck_component *com,
393 void (*lfsck_close_dir)(const struct lu_env *env,
394 struct lfsck_component *com);
396 int (*lfsck_open_dir)(const struct lu_env *env,
397 struct lfsck_component *com);
399 int (*lfsck_checkpoint)(const struct lu_env *env,
400 struct lfsck_component *com,
403 int (*lfsck_prep)(const struct lu_env *env,
404 struct lfsck_component *com,
405 struct lfsck_start_param *lsp);
407 int (*lfsck_exec_oit)(const struct lu_env *env,
408 struct lfsck_component *com,
409 struct dt_object *obj);
411 int (*lfsck_exec_dir)(const struct lu_env *env,
412 struct lfsck_component *com,
413 struct lfsck_assistant_object *lso,
414 struct lu_dirent *ent,
417 int (*lfsck_post)(const struct lu_env *env,
418 struct lfsck_component *com,
422 void (*lfsck_dump)(const struct lu_env *env,
423 struct lfsck_component *com,
426 int (*lfsck_double_scan)(const struct lu_env *env,
427 struct lfsck_component *com);
429 void (*lfsck_data_release)(const struct lu_env *env,
430 struct lfsck_component *com);
432 void (*lfsck_quit)(const struct lu_env *env,
433 struct lfsck_component *com);
435 int (*lfsck_in_notify_local)(const struct lu_env *env,
436 struct lfsck_component *com,
437 struct lfsck_req_local *lrl,
440 int (*lfsck_in_notify)(const struct lu_env *env,
441 struct lfsck_component *com,
442 struct lfsck_request *lr);
444 int (*lfsck_query)(const struct lu_env *env,
445 struct lfsck_component *com,
446 struct lfsck_request *req,
447 struct lfsck_reply *rep,
448 struct lfsck_query *que, int idx);
450 int (*lfsck_join)(const struct lu_env *env,
451 struct lfsck_component *com,
452 struct lfsck_start_param *lsp);
455 #define TGT_PTRS 256 /* number of pointers at 1st level */
456 #define TGT_PTRS_PER_BLOCK 256 /* number of pointers at 2nd level */
458 struct lfsck_tgt_desc {
459 struct list_head ltd_orphan_list;
460 struct dt_device *ltd_tgt;
461 struct dt_device *ltd_key;
462 struct obd_export *ltd_exp;
463 struct list_head ltd_layout_list;
464 struct list_head ltd_layout_phase_list;
465 struct list_head ltd_namespace_list;
466 struct list_head ltd_namespace_phase_list;
467 __u32 ltd_layout_status;
468 __u32 ltd_namespace_status;
469 __u64 ltd_layout_repaired;
470 __u64 ltd_namespace_repaired;
473 __u32 ltd_layout_gen;
474 __u32 ltd_namespace_gen;
475 unsigned int ltd_dead:1,
477 ltd_namespace_done:1,
478 ltd_synced_failures:1;
481 struct lfsck_tgt_desc_idx {
482 struct lfsck_tgt_desc *ldi_tgts[TGT_PTRS_PER_BLOCK];
485 struct lfsck_tgt_descs {
486 /* list of known TGTs */
487 struct lfsck_tgt_desc_idx *ltd_tgts_idx[TGT_PTRS];
489 /* bitmap of TGTs available */
490 struct cfs_bitmap *ltd_tgts_bitmap;
492 /* for lfsck_tgt_desc::ltd_xxx_list */
495 /* for tgts table accessing and changes */
496 struct rw_semaphore ltd_rw_sem;
498 /* Temporary list for orphan targets. */
499 struct list_head ltd_orphan;
501 /* number of registered TGTs */
505 static inline struct lfsck_tgt_desc *
506 lfsck_ltd2tgt(struct lfsck_tgt_descs *ltd, __u32 index)
508 __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
509 __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
510 struct lfsck_tgt_desc *__tgt = NULL;
512 if (unlikely(idx1 >= TGT_PTRS))
513 CDEBUG(D_LFSCK, "The target idx %u is invalid.\n", index);
514 else if (likely(ltd->ltd_tgts_idx[idx1] != NULL))
515 __tgt = ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2];
520 static inline void lfsck_assign_tgt(struct lfsck_tgt_descs *ltd,
521 struct lfsck_tgt_desc *tgt, __u32 index)
523 __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
524 __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
526 if (likely(idx1 < TGT_PTRS && ltd->ltd_tgts_idx[idx1] != NULL))
527 ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2] = tgt;
530 #define LFSCK_STF_BITS 4
531 /* If want to adjust the LFSCK_STF_COUNT, please change LFSCK_STF_BITS. */
532 #define LFSCK_STF_COUNT (1 << LFSCK_STF_BITS)
534 struct lfsck_sub_trace_obj {
535 struct dt_object *lsto_obj;
536 struct mutex lsto_mutex;
539 struct lfsck_component {
540 /* into lfsck_instance::li_list_(scan,double_scan,idle} */
541 struct list_head lc_link;
543 /* into lfsck_instance::li_list_dir */
544 struct list_head lc_link_dir;
546 struct rw_semaphore lc_sem;
549 struct lfsck_position lc_pos_start;
550 struct lfsck_instance *lc_lfsck;
551 struct dt_object *lc_obj;
552 struct lfsck_sub_trace_obj lc_sub_trace_objs[LFSCK_STF_COUNT];
553 struct lfsck_operations *lc_ops;
557 struct lu_fid lc_fid_latest_scanned_phase2;
559 /* The time for last checkpoint, jiffies */
560 cfs_time_t lc_time_last_checkpoint;
562 /* The time for next checkpoint, jiffies */
563 cfs_time_t lc_time_next_checkpoint;
567 /* How many objects have been checked since last checkpoint. */
568 __u32 lc_new_checked;
570 /* How many objects have been scanned since last sleep. */
571 __u32 lc_new_scanned;
576 #define LFSCK_LMV_MAX_STRIPES LMV_MAX_STRIPE_COUNT
577 #define LFSCK_LMV_DEF_STRIPES 4
579 /* Warning: NOT change the lfsck_slave_lmv_flags members order,
580 * otherwise the lfsck_record_lmv() may be wrong. */
581 enum lfsck_slave_lmv_flags {
589 /* When the namespace LFSCK scans a striped directory, it will record all
590 * the known shards' information in the structure "lfsck_slave_lmv_rec",
591 * including the shard's FID, index, slave LMV EA, and so on. Each shard
592 * will take one lfsck_slave_lmv_rec slot. After the 1st cycle scanning
593 * the striped directory, the LFSCK will get all the information about
594 * whether there are some inconsistency, and then it can repair them in
595 * the 2nd cycle scanning. */
596 struct lfsck_slave_lmv_rec {
597 struct lu_fid lslr_fid;
598 __u32 lslr_stripe_count;
599 __u32 lslr_index; /* the index in name or in slave lmv */
600 __u32 lslr_hash_type;
605 struct lmv_mds_md_v1 ll_lmv;
607 int ll_stripes_allocated;
608 int ll_stripes_filled;
610 __u32 ll_max_stripe_count;
611 __u32 ll_max_filled_off;
613 unsigned int ll_lmv_master:1,
620 struct lfsck_slave_lmv_rec *ll_lslr; /* may be vmalloc'd */
623 /* If the namespace LFSCK finds that the master MDT-object of a striped
624 * directory lost its master LMV EA, it will re-generate the master LMV
625 * EA and notify the LFSCK instance on the MDT on which the striped dir
626 * master MDT-object resides to rescan the striped directory. To do that,
627 * the notify handler will insert a "lfsck_lmv_unit" structure into the
628 * lfsck::li_list_lmv. The LFSCK instance will scan such list from time
629 * to time to check whether needs to rescan some stirped directories. */
630 struct lfsck_lmv_unit {
631 struct list_head llu_link;
632 struct lfsck_lmv llu_lmv;
633 struct dt_object *llu_obj;
634 struct lfsck_instance *llu_lfsck;
637 struct lfsck_rec_lmv_save {
638 struct lu_fid lrls_fid;
639 struct lmv_mds_md_v1 lrls_lmv;
642 /* Allow lfsck_record_lmv() to be called recursively at most three times. */
643 #define LFSCK_REC_LMV_MAX_DEPTH 3
645 struct lfsck_instance {
646 struct mutex li_mutex;
649 /* Link into the lfsck_instance_list. */
650 struct list_head li_link;
652 /* For the components in (first) scanning via otable-based iteration. */
653 struct list_head li_list_scan;
655 /* For the components in scanning via directory traversal. Because
656 * directory traversal cannot guarantee all the object be scanned,
657 * so the component in the li_list_dir must be in li_list_scan. */
658 struct list_head li_list_dir;
660 /* For the components in double scanning. */
661 struct list_head li_list_double_scan;
663 /* For the components those are not scanning now. */
664 struct list_head li_list_idle;
666 /* For the lfsck_lmv_unit to be handled. */
667 struct list_head li_list_lmv;
670 atomic_t li_double_scan_count;
671 struct ptlrpc_thread li_thread;
673 /* The time for last checkpoint, jiffies */
674 cfs_time_t li_time_last_checkpoint;
676 /* The time for next checkpoint, jiffies */
677 cfs_time_t li_time_next_checkpoint;
679 lfsck_out_notify li_out_notify;
680 void *li_out_notify_data;
681 struct dt_device *li_next;
682 struct dt_device *li_bottom;
683 struct obd_device *li_obd;
684 struct ldlm_namespace *li_namespace;
685 struct local_oid_storage *li_los;
686 struct lu_fid li_local_root_fid; /* backend root "/" */
687 struct lu_fid li_global_root_fid; /* /ROOT */
688 struct dt_object *li_lfsck_dir;
689 struct dt_object *li_bookmark_obj;
690 struct dt_object *li_lpf_obj;
691 struct dt_object *li_lpf_root_obj;
692 struct lu_client_seq *li_seq;
693 struct lfsck_bookmark li_bookmark_ram;
694 struct lfsck_bookmark li_bookmark_disk;
695 struct lfsck_position li_pos_current;
696 struct lfsck_position li_pos_checkpoint;
698 struct lfsck_lmv *li_lmv;
700 /* Obj for otable-based iteration */
701 struct dt_object *li_obj_oit;
703 /* Obj for directory traversal */
704 struct dt_object *li_obj_dir;
706 /* It for otable-based iteration */
707 struct dt_it *li_di_oit;
709 /* It for directory traversal */
710 struct dt_it *li_di_dir;
712 /* Description of OST */
713 struct lfsck_tgt_descs li_ost_descs;
715 /* Description of MDT */
716 struct lfsck_tgt_descs li_mdt_descs;
718 /* namespace-based directory traversal position. */
721 /* Arguments for low layer otable-based iteration. */
724 /* Arugments for namespace-based directory traversal. */
727 /* Schedule for every N objects. */
730 /* Sleep N jiffies for each schedule. */
733 /* How many objects have been scanned since last sleep. */
734 __u32 li_new_scanned;
736 /* The status when the LFSCK stopped or paused. */
739 /* The flags when the lFSCK stopped or paused. */
742 unsigned int li_oit_over:1, /* oit is finished. */
743 li_drop_dryrun:1, /* Ever dryrun, not now. */
744 li_master:1, /* Master instance or not. */
745 li_current_oit_processed:1,
747 struct lfsck_rec_lmv_save li_rec_lmv_save[LFSCK_REC_LMV_MAX_DEPTH];
750 struct lfsck_async_interpret_args {
751 struct lfsck_component *laia_com;
752 struct lfsck_tgt_descs *laia_ltds;
753 struct lfsck_tgt_desc *laia_ltd;
754 struct lfsck_request *laia_lr;
755 atomic_t *laia_count;
757 unsigned int laia_shared:1;
760 struct lfsck_thread_args {
761 struct lu_env lta_env;
762 struct lfsck_instance *lta_lfsck;
763 struct lfsck_component *lta_com;
764 struct lfsck_start_param *lta_lsp;
767 struct lfsck_assistant_req {
768 struct list_head lar_list;
769 struct lfsck_assistant_object *lar_parent;
772 struct lfsck_namespace_req {
773 struct lfsck_assistant_req lnr_lar;
774 struct lfsck_lmv *lnr_lmv;
775 struct lu_fid lnr_fid;
776 __u64 lnr_dir_cookie;
784 struct lfsck_layout_req {
785 struct lfsck_assistant_req llr_lar;
786 struct dt_object *llr_child;
789 __u32 llr_lov_idx; /* offset in LOV EA */
792 struct lfsck_assistant_operations {
793 int (*la_handler_p1)(const struct lu_env *env,
794 struct lfsck_component *com,
795 struct lfsck_assistant_req *lar);
797 int (*la_handler_p2)(const struct lu_env *env,
798 struct lfsck_component *com);
800 void (*la_fill_pos)(const struct lu_env *env,
801 struct lfsck_component *com,
802 struct lfsck_position *pos);
804 int (*la_double_scan_result)(const struct lu_env *env,
805 struct lfsck_component *com,
808 void (*la_req_fini)(const struct lu_env *env,
809 struct lfsck_assistant_req *lar);
811 void (*la_sync_failures)(const struct lu_env *env,
812 struct lfsck_component *com,
813 struct lfsck_request *lr);
816 struct lfsck_assistant_data {
818 struct list_head lad_req_list;
820 /* list for the ost targets involve LFSCK. */
821 struct list_head lad_ost_list;
823 /* list for the ost targets in phase1 scanning. */
824 struct list_head lad_ost_phase1_list;
826 /* list for the ost targets in phase2 scanning. */
827 struct list_head lad_ost_phase2_list;
829 /* list for the mdt targets involve LFSCK. */
830 struct list_head lad_mdt_list;
832 /* list for the mdt targets in phase1 scanning. */
833 struct list_head lad_mdt_phase1_list;
835 /* list for the mdt targets in phase2 scanning. */
836 struct list_head lad_mdt_phase2_list;
838 const char *lad_name;
839 struct ptlrpc_thread lad_thread;
840 struct task_struct *lad_task;
842 struct lfsck_assistant_operations *lad_ops;
844 struct cfs_bitmap *lad_bitmap;
848 int lad_assistant_status;
850 unsigned int lad_to_post:1,
851 lad_to_double_scan:1,
852 lad_in_double_scan:1,
855 bool lad_advance_lock;
858 #define LFSCK_TMPBUF_LEN 64
860 struct lfsck_lock_handle {
861 struct lustre_handle llh_pdo_lh;
862 struct lustre_handle llh_reg_lh;
863 enum ldlm_mode llh_pdo_mode;
864 enum ldlm_mode llh_reg_mode;
867 struct lfsck_thread_info {
868 struct lu_name lti_name_const;
869 struct lu_name lti_name;
870 struct lu_name lti_name2;
871 struct lu_buf lti_buf;
872 struct lu_buf lti_linkea_buf;
873 struct lu_buf lti_linkea_buf2;
874 struct lu_buf lti_big_buf;
875 struct lu_fid lti_fid;
876 struct lu_fid lti_fid2;
877 struct lu_fid lti_fid3;
878 struct lu_fid lti_fid4;
879 struct lu_attr lti_la;
880 struct lu_attr lti_la2;
881 struct ost_id lti_oi;
882 struct lustre_ost_attrs lti_loa;
883 struct dt_object_format lti_dof;
884 /* There will be '\0' at the end of the name. */
885 char lti_key[sizeof(struct lu_dirent) + NAME_MAX + 1];
886 char lti_tmpbuf[LFSCK_TMPBUF_LEN];
887 char lti_tmpbuf2[LFSCK_TMPBUF_LEN];
888 struct lfsck_request lti_lr;
889 struct lfsck_async_interpret_args lti_laia;
890 struct lfsck_async_interpret_args lti_laia2;
891 struct lfsck_start lti_start;
892 struct lfsck_stop lti_stop;
893 union ldlm_policy_data lti_policy;
894 struct ldlm_enqueue_info lti_einfo;
895 struct ldlm_res_id lti_resid;
896 struct filter_fid lti_ff;
897 struct dt_allocation_hint lti_hint;
898 struct lu_orphan_rec_v2 lti_rec;
899 struct lov_user_md lti_lum;
900 struct dt_insert_rec lti_dt_rec;
901 struct lu_object_conf lti_conf;
902 struct lu_seq_range lti_range;
903 struct lmv_mds_md_v1 lti_lmv;
904 struct lmv_mds_md_v1 lti_lmv2;
905 struct lmv_mds_md_v1 lti_lmv3;
906 struct lmv_mds_md_v1 lti_lmv4;
907 struct lfsck_lock_handle lti_llh;
908 struct lfsck_layout_dangling_key lti_lldk;
912 int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck,
913 struct lu_fid *fid, bool locked);
914 int lfsck_ibits_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
915 struct dt_object *obj, struct lustre_handle *lh,
916 __u64 bits, enum ldlm_mode mode);
917 void lfsck_ibits_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
918 int lfsck_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
919 struct dt_object *obj, const char *name,
920 struct lfsck_lock_handle *llh, __u64 bits, enum ldlm_mode mode);
921 void lfsck_unlock(struct lfsck_lock_handle *llh);
922 int lfsck_find_mdt_idx_by_fid(const struct lu_env *env,
923 struct lfsck_instance *lfsck,
924 const struct lu_fid *fid);
925 int lfsck_verify_lpf(const struct lu_env *env, struct lfsck_instance *lfsck);
926 struct lfsck_instance *lfsck_instance_find(struct dt_device *key, bool ref,
928 struct lfsck_component *lfsck_component_find(struct lfsck_instance *lfsck,
930 void lfsck_component_cleanup(const struct lu_env *env,
931 struct lfsck_component *com);
932 void lfsck_instance_cleanup(const struct lu_env *env,
933 struct lfsck_instance *lfsck);
934 void lfsck_bits_dump(struct seq_file *m, int bits, const char *names[],
936 void lfsck_time_dump(struct seq_file *m, __u64 time, const char *name);
937 void lfsck_pos_dump(struct seq_file *m, struct lfsck_position *pos,
939 void lfsck_pos_fill(const struct lu_env *env, struct lfsck_instance *lfsck,
940 struct lfsck_position *pos, bool init);
941 bool __lfsck_set_speed(struct lfsck_instance *lfsck, __u32 limit);
942 void lfsck_control_speed(struct lfsck_instance *lfsck);
943 void lfsck_control_speed_by_self(struct lfsck_component *com);
944 void lfsck_thread_args_fini(struct lfsck_thread_args *lta);
945 struct lfsck_assistant_data *
946 lfsck_assistant_data_init(struct lfsck_assistant_operations *lao,
948 struct lfsck_assistant_object *
949 lfsck_assistant_object_init(const struct lu_env *env, const struct lu_fid *fid,
950 const struct lu_attr *attr, __u64 cookie,
953 lfsck_assistant_object_load(const struct lu_env *env,
954 struct lfsck_instance *lfsck,
955 struct lfsck_assistant_object *lso);
956 int lfsck_async_interpret_common(const struct lu_env *env,
957 struct ptlrpc_request *req,
959 int lfsck_async_request(const struct lu_env *env, struct obd_export *exp,
960 struct lfsck_request *lr,
961 struct ptlrpc_request_set *set,
962 ptlrpc_interpterer_t interpterer,
963 void *args, int request);
964 int lfsck_query_all(const struct lu_env *env, struct lfsck_component *com);
965 int lfsck_start_assistant(const struct lu_env *env, struct lfsck_component *com,
966 struct lfsck_start_param *lsp);
967 int lfsck_checkpoint_generic(const struct lu_env *env,
968 struct lfsck_component *com);
969 void lfsck_post_generic(const struct lu_env *env,
970 struct lfsck_component *com, int *result);
971 int lfsck_double_scan_generic(const struct lu_env *env,
972 struct lfsck_component *com, int status);
973 void lfsck_quit_generic(const struct lu_env *env,
974 struct lfsck_component *com);
975 int lfsck_load_one_trace_file(const struct lu_env *env,
976 struct lfsck_component *com,
977 struct dt_object *parent,
978 struct dt_object **child,
979 const struct dt_index_features *ft,
980 const char *name, bool reset);
981 int lfsck_load_sub_trace_files(const struct lu_env *env,
982 struct lfsck_component *com,
983 const struct dt_index_features *ft,
984 const char *prefix, bool reset);
987 int lfsck_unpack_ent(struct lu_dirent *ent, __u64 *cookie, __u16 *type);
988 void lfsck_close_dir(const struct lu_env *env,
989 struct lfsck_instance *lfsck, int result);
990 int lfsck_open_dir(const struct lu_env *env,
991 struct lfsck_instance *lfsck, __u64 cookie);
992 int lfsck_master_engine(void *args);
993 int lfsck_assistant_engine(void *args);
995 /* lfsck_bookmark.c */
996 void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des,
997 struct lfsck_bookmark *src);
998 int lfsck_bookmark_store(const struct lu_env *env,
999 struct lfsck_instance *lfsck);
1000 int lfsck_bookmark_setup(const struct lu_env *env,
1001 struct lfsck_instance *lfsck);
1002 int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck,
1003 struct lfsck_start *start, bool reset);
1005 /* lfsck_namespace.c */
1006 int lfsck_namespace_trace_update(const struct lu_env *env,
1007 struct lfsck_component *com,
1008 const struct lu_fid *fid,
1009 const __u8 flags, bool add);
1010 int lfsck_namespace_check_exist(const struct lu_env *env,
1011 struct dt_object *dir,
1012 struct dt_object *obj, const char *name);
1013 int __lfsck_links_read(const struct lu_env *env, struct dt_object *obj,
1014 struct linkea_data *ldata, bool with_rec);
1015 int lfsck_namespace_rebuild_linkea(const struct lu_env *env,
1016 struct lfsck_component *com,
1017 struct dt_object *obj,
1018 struct linkea_data *ldata);
1019 int lfsck_namespace_repair_dangling(const struct lu_env *env,
1020 struct lfsck_component *com,
1021 struct dt_object *parent,
1022 struct dt_object *child,
1023 struct lfsck_namespace_req *lnr);
1024 int lfsck_namespace_repair_dirent(const struct lu_env *env,
1025 struct lfsck_component *com,
1026 struct dt_object *parent,
1027 struct dt_object *child,
1028 const char *name, const char *name2,
1029 __u16 type, bool update, bool dec);
1030 int lfsck_verify_linkea(const struct lu_env *env, struct dt_object *obj,
1031 const struct lu_name *cname, const struct lu_fid *pfid);
1032 int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj,
1033 char *name, struct lu_fid *pfid);
1034 int lfsck_update_name_entry(const struct lu_env *env,
1035 struct lfsck_instance *lfsck,
1036 struct dt_object *dir, const char *name,
1037 const struct lu_fid *fid, __u32 type);
1038 int lfsck_namespace_setup(const struct lu_env *env,
1039 struct lfsck_instance *lfsck);
1041 /* lfsck_striped_dir.c */
1042 void lfsck_lmv_put(const struct lu_env *env, struct lfsck_lmv *llmv);
1043 int lfsck_read_stripe_lmv(const struct lu_env *env, struct dt_object *obj,
1044 struct lmv_mds_md_v1 *lmv);
1045 int lfsck_shard_name_to_index(const struct lu_env *env, const char *name,
1046 int namelen, __u16 type,
1047 const struct lu_fid *fid);
1048 bool lfsck_is_valid_slave_name_entry(const struct lu_env *env,
1049 struct lfsck_lmv *llmv,
1050 const char *name, int namelen);
1051 int lfsck_namespace_check_name(const struct lu_env *env,
1052 struct dt_object *parent,
1053 struct dt_object *child,
1054 const struct lu_name *cname);
1055 int lfsck_namespace_update_lmv(const struct lu_env *env,
1056 struct lfsck_component *com,
1057 struct dt_object *obj,
1058 struct lmv_mds_md_v1 *lmv, bool locked);
1059 int lfsck_namespace_verify_stripe_slave(const struct lu_env *env,
1060 struct lfsck_component *com,
1061 struct dt_object *obj,
1062 struct lfsck_lmv *llmv);
1063 int lfsck_namespace_scan_shard(const struct lu_env *env,
1064 struct lfsck_component *com,
1065 struct dt_object *child);
1066 int lfsck_namespace_notify_lmv_master_local(const struct lu_env *env,
1067 struct lfsck_component *com,
1068 struct dt_object *obj);
1069 int lfsck_namespace_repair_bad_name_hash(const struct lu_env *env,
1070 struct lfsck_component *com,
1071 struct dt_object *shard,
1072 struct lfsck_lmv *llmv,
1074 int lfsck_namespace_striped_dir_rescan(const struct lu_env *env,
1075 struct lfsck_component *com,
1076 struct lfsck_namespace_req *lnr);
1077 int lfsck_namespace_handle_striped_master(const struct lu_env *env,
1078 struct lfsck_component *com,
1079 struct lfsck_namespace_req *lnr);
1081 /* lfsck_layout.c */
1082 int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck);
1084 extern const char dot[];
1085 extern const char dotdot[];
1086 extern const char *lfsck_flags_names[];
1087 extern const char *lfsck_param_names[];
1088 extern struct lu_context_key lfsck_thread_key;
1090 static inline bool name_is_dot_or_dotdot(const char *name, int namelen)
1092 return name[0] == '.' &&
1093 (namelen == 1 || (namelen == 2 && name[1] == '.'));
1096 static inline struct dt_device *lfsck_obj2dev(struct dt_object *obj)
1098 return container_of0(obj->do_lu.lo_dev, struct dt_device, dd_lu_dev);
1101 static inline struct lfsck_thread_info *
1102 lfsck_env_info(const struct lu_env *env)
1104 struct lfsck_thread_info *info;
1106 info = lu_context_key_get(&env->le_ctx, &lfsck_thread_key);
1107 LASSERT(info != NULL);
1111 static inline const struct lu_name *
1112 lfsck_name_get_const(const struct lu_env *env, const void *area, ssize_t len)
1114 struct lu_name *lname;
1116 lname = &lfsck_env_info(env)->lti_name_const;
1117 lname->ln_name = area;
1118 lname->ln_namelen = len;
1123 lfsck_buf_init(struct lu_buf *buf, void *area, ssize_t len)
1129 static inline struct lu_buf *
1130 lfsck_buf_get(const struct lu_env *env, void *area, ssize_t len)
1134 buf = &lfsck_env_info(env)->lti_buf;
1140 static inline const struct lu_buf *
1141 lfsck_buf_get_const(const struct lu_env *env, const void *area, ssize_t len)
1145 buf = &lfsck_env_info(env)->lti_buf;
1146 buf->lb_buf = (void *)area;
1151 static inline char *lfsck_lfsck2name(struct lfsck_instance *lfsck)
1153 return lfsck->li_bottom->dd_lu_dev.ld_obd->obd_name;
1156 static inline const struct lu_fid *lfsck_dto2fid(const struct dt_object *obj)
1158 return lu_object_fid(&obj->do_lu);
1161 static inline void lfsck_pos_set_zero(struct lfsck_position *pos)
1163 memset(pos, 0, sizeof(*pos));
1166 static inline int lfsck_pos_is_zero(const struct lfsck_position *pos)
1168 return pos->lp_oit_cookie == 0 && fid_is_zero(&pos->lp_dir_parent);
1171 static inline int lfsck_pos_is_eq(const struct lfsck_position *pos1,
1172 const struct lfsck_position *pos2)
1174 if (pos1->lp_oit_cookie < pos2->lp_oit_cookie)
1177 if (pos1->lp_oit_cookie > pos2->lp_oit_cookie)
1180 if (fid_is_zero(&pos1->lp_dir_parent) &&
1181 !fid_is_zero(&pos2->lp_dir_parent))
1184 if (!fid_is_zero(&pos1->lp_dir_parent) &&
1185 fid_is_zero(&pos2->lp_dir_parent))
1188 if (fid_is_zero(&pos1->lp_dir_parent) &&
1189 fid_is_zero(&pos2->lp_dir_parent))
1192 LASSERT(lu_fid_eq(&pos1->lp_dir_parent, &pos2->lp_dir_parent));
1194 if (pos1->lp_dir_cookie < pos2->lp_dir_cookie)
1197 if (pos1->lp_dir_cookie > pos2->lp_dir_cookie)
1203 static void inline lfsck_position_le_to_cpu(struct lfsck_position *des,
1204 struct lfsck_position *src)
1206 des->lp_oit_cookie = le64_to_cpu(src->lp_oit_cookie);
1207 fid_le_to_cpu(&des->lp_dir_parent, &src->lp_dir_parent);
1208 des->lp_dir_cookie = le64_to_cpu(src->lp_dir_cookie);
1211 static void inline lfsck_position_cpu_to_le(struct lfsck_position *des,
1212 struct lfsck_position *src)
1214 des->lp_oit_cookie = cpu_to_le64(src->lp_oit_cookie);
1215 fid_cpu_to_le(&des->lp_dir_parent, &src->lp_dir_parent);
1216 des->lp_dir_cookie = cpu_to_le64(src->lp_dir_cookie);
1219 static inline umode_t lfsck_object_type(const struct dt_object *obj)
1221 return lu_object_attr(&obj->do_lu);
1224 static inline int lfsck_is_dead_obj(const struct dt_object *obj)
1226 struct lu_object_header *loh = obj->do_lu.lo_header;
1228 return !!test_bit(LU_OBJECT_HEARD_BANSHEE, &loh->loh_flags);
1231 static inline struct dt_object *lfsck_object_get(struct dt_object *obj)
1233 lu_object_get(&obj->do_lu);
1237 static inline void lfsck_object_put(const struct lu_env *env,
1238 struct dt_object *obj)
1240 dt_object_put(env, obj);
1243 static inline struct seq_server_site
1244 *lfsck_dev_site(struct lfsck_instance *lfsck)
1246 return lu_site2seq(lfsck->li_bottom->dd_lu_dev.ld_site);
1249 static inline u32 lfsck_dev_idx(struct lfsck_instance *lfsck)
1251 return lfsck_dev_site(lfsck)->ss_node_id;
1254 static inline struct dt_object *
1255 lfsck_object_find_by_dev_new(const struct lu_env *env, struct dt_device *dev,
1256 const struct lu_fid *fid)
1258 struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf;
1260 conf->loc_flags = LOC_F_NEW;
1261 return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf));
1264 static inline struct dt_object *
1265 lfsck_object_find_by_dev_nowait(const struct lu_env *env, struct dt_device *dev,
1266 const struct lu_fid *fid)
1268 struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf;
1270 conf->loc_flags = LOC_F_NOWAIT;
1271 return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf));
1274 static inline struct dt_object *
1275 lfsck_object_find_by_dev(const struct lu_env *env, struct dt_device *dev,
1276 const struct lu_fid *fid)
1278 return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL));
1281 static inline struct dt_device *
1282 lfsck_find_dev_by_fid(const struct lu_env *env, struct lfsck_instance *lfsck,
1283 const struct lu_fid *fid)
1285 struct dt_device *dev;
1288 if (!lfsck->li_master)
1289 return lfsck->li_bottom;
1291 idx = lfsck_find_mdt_idx_by_fid(env, lfsck, fid);
1293 return ERR_PTR(idx);
1295 if (idx == lfsck_dev_idx(lfsck)) {
1296 dev = lfsck->li_bottom;
1298 struct lfsck_tgt_desc *ltd;
1300 ltd = lfsck_ltd2tgt(&lfsck->li_mdt_descs, idx);
1301 if (unlikely(ltd == NULL))
1302 return ERR_PTR(-ENODEV);
1310 static inline struct dt_object *
1311 lfsck_object_find_bottom(const struct lu_env *env, struct lfsck_instance *lfsck,
1312 const struct lu_fid *fid)
1314 struct dt_device *dev;
1316 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1318 return (struct dt_object *)dev;
1320 return lfsck_object_find_by_dev(env, dev, fid);
1323 static inline struct dt_object *
1324 lfsck_object_find_bottom_nowait(const struct lu_env *env,
1325 struct lfsck_instance *lfsck,
1326 const struct lu_fid *fid)
1328 struct dt_device *dev;
1330 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1332 return (struct dt_object *)dev;
1334 return lfsck_object_find_by_dev_nowait(env, dev, fid);
1337 static inline struct dt_object *
1338 lfsck_object_find_bottom_new(const struct lu_env *env,
1339 struct lfsck_instance *lfsck,
1340 const struct lu_fid *fid)
1342 struct dt_device *dev;
1344 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1346 return (struct dt_object *)dev;
1348 return lfsck_object_find_by_dev_new(env, dev, fid);
1351 static inline struct dt_object *
1352 lfsck_object_locate(struct dt_device *dev, struct dt_object *obj)
1354 if (lfsck_obj2dev(obj) == dev) {
1357 struct lu_object *lo;
1359 lo = lu_object_locate(obj->do_lu.lo_header,
1360 dev->dd_lu_dev.ld_type);
1361 if (unlikely(lo == NULL))
1362 return ERR_PTR(-ENOENT);
1368 static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
1371 struct lfsck_tgt_desc *ltd;
1373 ltd = lfsck_ltd2tgt(ltds, index);
1375 atomic_inc(<d->ltd_ref);
1380 static inline void lfsck_tgt_put(struct lfsck_tgt_desc *ltd)
1382 if (atomic_dec_and_test(<d->ltd_ref))
1386 static inline struct lfsck_component *
1387 lfsck_component_get(struct lfsck_component *com)
1389 atomic_inc(&com->lc_ref);
1394 static inline void lfsck_component_put(const struct lu_env *env,
1395 struct lfsck_component *com)
1397 if (atomic_dec_and_test(&com->lc_ref)) {
1398 struct lfsck_sub_trace_obj *lsto;
1401 for (i = 0, lsto = &com->lc_sub_trace_objs[0];
1402 i < LFSCK_STF_COUNT; i++, lsto++) {
1403 if (lsto->lsto_obj != NULL)
1404 lfsck_object_put(env, lsto->lsto_obj);
1407 if (com->lc_obj != NULL)
1408 lfsck_object_put(env, com->lc_obj);
1409 if (com->lc_file_ram != NULL)
1410 OBD_FREE(com->lc_file_ram, com->lc_file_size);
1411 if (com->lc_file_disk != NULL)
1412 OBD_FREE(com->lc_file_disk, com->lc_file_size);
1413 if (com->lc_data != NULL) {
1414 LASSERT(com->lc_ops->lfsck_data_release != NULL);
1416 com->lc_ops->lfsck_data_release(env, com);
1423 static inline struct lfsck_instance *
1424 lfsck_instance_get(struct lfsck_instance *lfsck)
1426 atomic_inc(&lfsck->li_ref);
1431 static inline void lfsck_instance_put(const struct lu_env *env,
1432 struct lfsck_instance *lfsck)
1434 if (atomic_dec_and_test(&lfsck->li_ref))
1435 lfsck_instance_cleanup(env, lfsck);
1438 static inline bool lfsck_phase2_next_ready(struct lfsck_assistant_data *lad)
1440 return list_empty(&lad->lad_mdt_phase1_list) &&
1441 (!list_empty(&lad->lad_ost_phase2_list) ||
1442 list_empty(&lad->lad_ost_phase1_list));
1445 static inline void lfsck_lad_set_bitmap(const struct lu_env *env,
1446 struct lfsck_component *com,
1449 struct lfsck_assistant_data *lad = com->lc_data;
1450 struct cfs_bitmap *bitmap = lad->lad_bitmap;
1452 LASSERT(com->lc_lfsck->li_master);
1453 LASSERT(bitmap != NULL);
1455 if (likely(bitmap->size > index)) {
1456 cfs_bitmap_set(bitmap, index);
1457 lad->lad_incomplete = 1;
1458 } else if (com->lc_type == LFSCK_TYPE_NAMESPACE) {
1459 struct lfsck_namespace *ns = com->lc_file_ram;
1461 ns->ln_flags |= LF_INCOMPLETE;
1465 static inline int lfsck_links_read(const struct lu_env *env,
1466 struct dt_object *obj,
1467 struct linkea_data *ldata)
1470 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
1473 return __lfsck_links_read(env, obj, ldata, false);
1476 /* Read linkEA for the given object, the linkEA should contain
1477 * at least one entry, otherwise, -ENODATA will be returned. */
1478 static inline int lfsck_links_read_with_rec(const struct lu_env *env,
1479 struct dt_object *obj,
1480 struct linkea_data *ldata)
1483 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
1486 return __lfsck_links_read(env, obj, ldata, true);
1489 static inline int lfsck_links_read2_with_rec(const struct lu_env *env,
1490 struct dt_object *obj,
1491 struct linkea_data *ldata)
1494 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf2,
1497 return __lfsck_links_read(env, obj, ldata, true);
1500 static inline struct lfsck_lmv *lfsck_lmv_get(struct lfsck_lmv *llmv)
1503 atomic_inc(&llmv->ll_ref);
1508 static inline int lfsck_sub_trace_file_fid2idx(const struct lu_fid *fid)
1510 return fid->f_oid & (LFSCK_STF_COUNT - 1);
1513 static inline void lfsck_lmv_header_le_to_cpu(struct lmv_mds_md_v1 *dst,
1514 const struct lmv_mds_md_v1 *src)
1516 dst->lmv_magic = le32_to_cpu(src->lmv_magic);
1517 dst->lmv_stripe_count = le32_to_cpu(src->lmv_stripe_count);
1518 dst->lmv_master_mdt_index = le32_to_cpu(src->lmv_master_mdt_index);
1519 dst->lmv_hash_type = le32_to_cpu(src->lmv_hash_type);
1520 dst->lmv_layout_version = le32_to_cpu(src->lmv_layout_version);
1523 static inline void lfsck_lmv_header_cpu_to_le(struct lmv_mds_md_v1 *dst,
1524 const struct lmv_mds_md_v1 *src)
1526 dst->lmv_magic = cpu_to_le32(src->lmv_magic);
1527 dst->lmv_stripe_count = cpu_to_le32(src->lmv_stripe_count);
1528 dst->lmv_master_mdt_index = cpu_to_le32(src->lmv_master_mdt_index);
1529 dst->lmv_hash_type = cpu_to_le32(src->lmv_hash_type);
1530 dst->lmv_layout_version = cpu_to_le32(src->lmv_layout_version);
1533 static inline struct lfsck_assistant_object *
1534 lfsck_assistant_object_get(struct lfsck_assistant_object *lso)
1536 atomic_inc(&lso->lso_ref);
1542 lfsck_assistant_object_put(const struct lu_env *env,
1543 struct lfsck_assistant_object *lso)
1545 if (atomic_dec_and_test(&lso->lso_ref))
1548 #endif /* _LFSCK_INTERNAL_H */