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, 2017, 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_lfsck.h>
38 #include <lu_object.h>
39 #include <dt_object.h>
40 #include <md_object.h>
41 #include <lustre_net.h>
42 #include <lustre_dlm.h>
43 #include <lustre_fid.h>
44 #include <md_object.h>
45 #include <lustre_linkea.h>
47 #define LFSCK_CHECKPOINT_INTERVAL 60
50 /* Finish the first cycle scanning. */
51 LF_SCANNED_ONCE = 0x00000001ULL,
53 /* There is some namespace inconsistency. */
54 LF_INCONSISTENT = 0x00000002ULL,
56 /* The device is upgraded from 1.8 format. */
57 LF_UPGRADE = 0x00000004ULL,
59 /* The server ever restarted during the LFSCK, and may miss to process
60 * some objects check/repair. */
61 LF_INCOMPLETE = 0x00000008ULL,
63 /* The LAST_ID (file) crashed. */
64 LF_CRASHED_LASTID = 0x00000010ULL,
67 struct lfsck_position {
68 /* low layer object table-based iteration position. */
71 /* parent FID for directory traversal. */
72 struct lu_fid lp_dir_parent;
74 /* namespace-based directory traversal position. */
78 struct lfsck_bookmark {
79 /* Magic number to detect that this struct contains valid data. */
82 /* For compatible with old versions. */
85 /* See 'enum lfsck_param_flags' */
88 /* How many items can be scanned at most per second. */
91 /* The windows size for async requests pipeline. */
92 __u16 lb_async_windows;
94 /* For 64-bits aligned. */
97 /* The FID for .lustre/lost+found/MDTxxxx */
98 struct lu_fid lb_lpf_fid;
100 /* The FID for the last MDT-object created by the LFSCK repairing. */
101 struct lu_fid lb_last_fid;
103 /* For future using. */
104 __u64 lb_reserved[2];
107 enum lfsck_namespace_trace_flags {
108 LNTF_CHECK_LINKEA = 0x01,
109 LNTF_CHECK_PARENT = 0x02,
110 LNTF_CHECK_ORPHAN = 0x08,
111 LNTF_UNCERTAIN_LMV = 0x10,
112 LNTF_RECHECK_NAME_HASH = 0x20,
113 LNTF_CHECK_AGENT_ENTRY = 0x40,
117 enum lfsck_namespace_inconsistency_type {
120 LNIT_UNMATCHED_PAIRS = 2,
127 struct lfsck_namespace {
128 /* Magic number to detect that this struct contains valid data. */
131 /* See 'enum lfsck_status'. */
134 /* See 'enum lfsck_flags'. */
137 /* How many completed LFSCK runs on the device. */
138 __u32 ln_success_count;
140 /* How long the LFSCK phase1 has run in seconds. */
141 time64_t ln_run_time_phase1;
143 /* How long the LFSCK phase2 has run in seconds. */
144 time64_t ln_run_time_phase2;
146 /* Time for the last LFSCK completed in seconds since epoch. */
147 time64_t ln_time_last_complete;
149 /* Time for the latest LFSCK ran in seconds since epoch. */
150 time64_t ln_time_latest_start;
152 /* Time for the last LFSCK checkpoint in seconds since epoch. */
153 time64_t ln_time_last_checkpoint;
155 /* Position for the latest LFSCK started from. */
156 struct lfsck_position ln_pos_latest_start;
158 /* Position for the last LFSCK checkpoint. */
159 struct lfsck_position ln_pos_last_checkpoint;
161 /* Position for the first should be updated object. */
162 struct lfsck_position ln_pos_first_inconsistent;
164 /* How many items (including dir) have been checked. */
165 __u64 ln_items_checked;
167 /* How many items have been repaired. */
168 __u64 ln_items_repaired;
170 /* How many items failed to be processed. */
171 __u64 ln_items_failed;
173 /* How many directories have been traversed. */
174 __u64 ln_dirs_checked;
176 /* How many objects have been double scanned. */
177 __u64 ln_objs_checked_phase2;
179 /* How many objects have been reparied during double scan. */
180 __u64 ln_objs_repaired_phase2;
182 /* How many objects failed to be processed during double scan. */
183 __u64 ln_objs_failed_phase2;
185 /* How many objects with nlink fixed. */
186 __u64 ln_objs_nlink_repaired;
188 /* The latest object has been processed (failed) during double scan. */
189 struct lu_fid ln_fid_latest_scanned_phase2;
191 /* How many FID-in-dirent entries have been repaired. */
192 __u64 ln_dirent_repaired;
194 /* How many linkEA entries have been repaired. */
195 __u64 ln_linkea_repaired;
197 /* How many multiple-linked objects have been checked. */
198 __u64 ln_mul_linked_checked;
200 /* How many multiple-linked objects have been repaired. */
201 __u64 ln_mul_linked_repaired;
203 /* How many undefined inconsistency found in phase2. */
204 __u64 ln_unknown_inconsistency;
206 /* How many unmatched pairs have been repaired. */
207 __u64 ln_unmatched_pairs_repaired;
209 /* How many dangling name entries have been found/repaired. */
210 __u64 ln_dangling_repaired;
212 /* How many multiple referenced name entries have been
214 __u64 ln_mul_ref_repaired;
216 /* How many name entries with bad file type have been repaired. */
217 __u64 ln_bad_type_repaired;
219 /* How many lost name entries have been re-inserted. */
220 __u64 ln_lost_dirent_repaired;
222 /* How many objects under /lost+found have been scanned. */
223 __u64 ln_local_lpf_scanned;
225 /* How many objects under /lost+found have been moved to
226 * namespace visible directory. */
227 __u64 ln_local_lpf_moved;
229 /* How many objects under /lost+found have been skipped. */
230 __u64 ln_local_lpf_skipped;
232 /* How many objects under /lost+found failed to be processed. */
233 __u64 ln_local_lpf_failed;
235 /* How many striped directories (master) have been scanned. */
236 __u64 ln_striped_dirs_scanned;
238 /* How many striped directories (master) have been repaired. */
239 __u64 ln_striped_dirs_repaired;
241 /* How many striped directories (master) failed verification. */
242 __u64 ln_striped_dirs_failed;
244 /* How many striped directories (master) has been disabled. */
245 __u64 ln_striped_dirs_disabled;
247 /* How many striped directory's (master) have been skipped
248 * (for shards verification) because of lost master LMV EA. */
249 __u64 ln_striped_dirs_skipped;
251 /* How many striped directory's shards (slave) have been scanned. */
252 __u64 ln_striped_shards_scanned;
254 /* How many striped directory's shards (slave) have been repaired. */
255 __u64 ln_striped_shards_repaired;
257 /* How many striped directory's shards (slave) failed verification. */
258 __u64 ln_striped_shards_failed;
260 /* How many striped directory's shards (slave) have been skipped
261 * (for name hash verification) because do not know whether the slave
262 * LMV EA is valid or not. */
263 __u64 ln_striped_shards_skipped;
265 /* How many name entries under striped directory with bad name
266 * hash have been repaired. */
267 __u64 ln_name_hash_repaired;
269 /* The size of MDT targets bitmap with nbits. Such bitmap records
270 * the MDTs that contain non-verified MDT-objects. */
271 __u32 ln_bitmap_size;
273 /* For further using. 256-bytes aligned now. */
276 /* Time for the latest LFSCK scan in seconds from the beginning. */
277 time64_t ln_time_latest_reset;
279 /* How many linkEA overflow timestamp have been cleared. */
280 __u64 ln_linkea_overflow_cleared;
282 /* How many agent entries have been repaired. */
283 __u64 ln_agent_entries_repaired;
285 /* For further using. 256-bytes aligned now. */
286 __u64 ln_reserved[11];
289 enum lfsck_layout_inconsistency_type {
292 LLIT_UNMATCHED_PAIR = 2,
293 LLIT_MULTIPLE_REFERENCED = 3,
295 LLIT_INCONSISTENT_OWNER = 5,
297 LLIT_MAX = LLIT_OTHERS
300 struct lfsck_layout {
301 /* Magic number to detect that this struct contains valid data. */
304 /* See 'enum lfsck_status'. */
307 /* See 'enum lfsck_flags'. */
310 /* How many completed LFSCK runs on the device. */
311 __u32 ll_success_count;
313 /* How long the LFSCK phase1 has run in seconds. */
314 time64_t ll_run_time_phase1;
316 /* How long the LFSCK phase2 has run in seconds. */
317 time64_t ll_run_time_phase2;
319 /* Time for the last LFSCK completed in seconds since epoch. */
320 time64_t ll_time_last_complete;
322 /* Time for the latest LFSCK ran in seconds since epoch. */
323 time64_t ll_time_latest_start;
325 /* Time for the last LFSCK checkpoint in seconds since epoch. */
326 time64_t ll_time_last_checkpoint;
328 /* Position for the latest LFSCK started from. */
329 __u64 ll_pos_latest_start;
331 /* Position for the last LFSCK checkpoint. */
332 __u64 ll_pos_last_checkpoint;
334 /* Position for the first object to be fixed or
335 * failed to be checked in the phase1. */
336 __u64 ll_pos_first_inconsistent;
338 /* How many objects have been checked. */
339 __u64 ll_objs_checked_phase1;
341 /* How many objects failed to be processed. */
342 __u64 ll_objs_failed_phase1;
344 /* How many objects have been double scanned. */
345 __u64 ll_objs_checked_phase2;
347 /* How many objects failed to be processed during double scan. */
348 __u64 ll_objs_failed_phase2;
350 /* kinds of inconsistency have been or to be repaired.
351 * ll_objs_repaired[type - 1] is the count for the given @type. */
352 __u64 ll_objs_repaired[LLIT_MAX];
354 /* How many objects have been skipped because of related
355 * MDT(s)/OST(s) do not participate in the LFSCK */
356 __u64 ll_objs_skipped;
358 /* The size of ll_ost_bitmap with nbits. */
359 __u32 ll_bitmap_size;
361 /* For further using. 256-bytes aligned now. */
364 /* The latest object has been processed (failed) during double scan. */
365 struct lfsck_layout_dangling_key ll_lldk_latest_scanned_phase2;
367 /* For further using */
368 u64 ll_reserved_2[7];
370 /* The OST targets bitmap to record the OSTs that contain
371 * non-verified OST-objects. */
372 __u8 ll_ost_bitmap[0];
375 struct lfsck_assistant_object {
376 struct lu_fid lso_fid;
377 __u64 lso_oit_cookie;
378 struct lu_attr lso_attr;
380 unsigned int lso_dead:1,
384 struct lfsck_component;
385 struct lfsck_tgt_descs;
386 struct lfsck_tgt_desc;
388 struct lfsck_operations {
389 int (*lfsck_reset)(const struct lu_env *env,
390 struct lfsck_component *com,
393 void (*lfsck_fail)(const struct lu_env *env,
394 struct lfsck_component *com,
397 void (*lfsck_close_dir)(const struct lu_env *env,
398 struct lfsck_component *com);
400 int (*lfsck_open_dir)(const struct lu_env *env,
401 struct lfsck_component *com);
403 int (*lfsck_checkpoint)(const struct lu_env *env,
404 struct lfsck_component *com,
407 int (*lfsck_prep)(const struct lu_env *env,
408 struct lfsck_component *com,
409 struct lfsck_start_param *lsp);
411 int (*lfsck_exec_oit)(const struct lu_env *env,
412 struct lfsck_component *com,
413 struct dt_object *obj);
415 int (*lfsck_exec_dir)(const struct lu_env *env,
416 struct lfsck_component *com,
417 struct lfsck_assistant_object *lso,
418 struct lu_dirent *ent,
421 int (*lfsck_post)(const struct lu_env *env,
422 struct lfsck_component *com,
426 void (*lfsck_dump)(const struct lu_env *env,
427 struct lfsck_component *com,
430 int (*lfsck_double_scan)(const struct lu_env *env,
431 struct lfsck_component *com);
433 void (*lfsck_data_release)(const struct lu_env *env,
434 struct lfsck_component *com);
436 void (*lfsck_quit)(const struct lu_env *env,
437 struct lfsck_component *com);
439 int (*lfsck_in_notify_local)(const struct lu_env *env,
440 struct lfsck_component *com,
441 struct lfsck_req_local *lrl,
444 int (*lfsck_in_notify)(const struct lu_env *env,
445 struct lfsck_component *com,
446 struct lfsck_request *lr);
448 int (*lfsck_query)(const struct lu_env *env,
449 struct lfsck_component *com,
450 struct lfsck_request *req,
451 struct lfsck_reply *rep,
452 struct lfsck_query *que, int idx);
454 int (*lfsck_join)(const struct lu_env *env,
455 struct lfsck_component *com,
456 struct lfsck_start_param *lsp);
459 #define TGT_PTRS 256 /* number of pointers at 1st level */
460 #define TGT_PTRS_PER_BLOCK 256 /* number of pointers at 2nd level */
462 struct lfsck_tgt_desc {
463 struct list_head ltd_orphan_list;
464 struct dt_device *ltd_tgt;
465 struct dt_device *ltd_key;
466 struct obd_export *ltd_exp;
467 struct list_head ltd_layout_list;
468 struct list_head ltd_layout_phase_list;
469 struct list_head ltd_namespace_list;
470 struct list_head ltd_namespace_phase_list;
471 __u32 ltd_layout_status;
472 __u32 ltd_namespace_status;
473 __u64 ltd_layout_repaired;
474 __u64 ltd_namespace_repaired;
477 __u32 ltd_layout_gen;
478 __u32 ltd_namespace_gen;
479 unsigned int ltd_dead:1,
482 ltd_namespace_done:1,
483 ltd_synced_failures:1;
486 struct lfsck_tgt_desc_idx {
487 struct lfsck_tgt_desc *ldi_tgts[TGT_PTRS_PER_BLOCK];
490 struct lfsck_tgt_descs {
491 /* list of known TGTs */
492 struct lfsck_tgt_desc_idx *ltd_tgts_idx[TGT_PTRS];
494 /* bitmap of TGTs available */
495 struct cfs_bitmap *ltd_tgts_bitmap;
497 /* for lfsck_tgt_desc::ltd_xxx_list */
500 /* for tgts table accessing and changes */
501 struct rw_semaphore ltd_rw_sem;
503 /* Temporary list for orphan targets. */
504 struct list_head ltd_orphan;
506 /* number of registered TGTs */
510 static inline struct lfsck_tgt_desc *
511 lfsck_ltd2tgt(struct lfsck_tgt_descs *ltd, __u32 index)
513 __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
514 __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
515 struct lfsck_tgt_desc *__tgt = NULL;
517 if (unlikely(idx1 >= TGT_PTRS))
518 CDEBUG(D_LFSCK, "The target idx %u is invalid.\n", index);
519 else if (likely(ltd->ltd_tgts_idx[idx1] != NULL))
520 __tgt = ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2];
525 static inline void lfsck_assign_tgt(struct lfsck_tgt_descs *ltd,
526 struct lfsck_tgt_desc *tgt, __u32 index)
528 __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
529 __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
531 if (likely(idx1 < TGT_PTRS && ltd->ltd_tgts_idx[idx1] != NULL))
532 ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2] = tgt;
535 #define LFSCK_STF_BITS 4
536 /* If want to adjust the LFSCK_STF_COUNT, please change LFSCK_STF_BITS. */
537 #define LFSCK_STF_COUNT (1 << LFSCK_STF_BITS)
539 struct lfsck_sub_trace_obj {
540 struct dt_object *lsto_obj;
541 struct mutex lsto_mutex;
544 struct lfsck_component {
545 /* into lfsck_instance::li_list_(scan,double_scan,idle} */
546 struct list_head lc_link;
548 /* into lfsck_instance::li_list_dir */
549 struct list_head lc_link_dir;
551 struct rw_semaphore lc_sem;
554 struct lfsck_position lc_pos_start;
555 struct lfsck_instance *lc_lfsck;
556 struct dt_object *lc_obj;
557 struct lfsck_sub_trace_obj lc_sub_trace_objs[LFSCK_STF_COUNT];
558 struct lfsck_operations *lc_ops;
562 struct lu_fid lc_fid_latest_scanned_phase2;
564 /* The time for last checkpoint, seconds */
565 time64_t lc_time_last_checkpoint;
567 /* The time for next checkpoint, seconds */
568 time64_t lc_time_next_checkpoint;
572 /* How many objects have been checked since last checkpoint. */
573 __u32 lc_new_checked;
575 /* How many objects have been scanned since last sleep. */
576 __u32 lc_new_scanned;
581 #define LFSCK_LMV_MAX_STRIPES LMV_MAX_STRIPE_COUNT
582 #define LFSCK_LMV_DEF_STRIPES 4
584 /* Warning: NOT change the lfsck_slave_lmv_flags members order,
585 * otherwise the lfsck_record_lmv() may be wrong. */
586 enum lfsck_slave_lmv_flags {
594 /* When the namespace LFSCK scans a striped directory, it will record all
595 * the known shards' information in the structure "lfsck_slave_lmv_rec",
596 * including the shard's FID, index, slave LMV EA, and so on. Each shard
597 * will take one lfsck_slave_lmv_rec slot. After the 1st cycle scanning
598 * the striped directory, the LFSCK will get all the information about
599 * whether there are some inconsistency, and then it can repair them in
600 * the 2nd cycle scanning. */
601 struct lfsck_slave_lmv_rec {
602 struct lu_fid lslr_fid;
603 __u32 lslr_stripe_count;
604 __u32 lslr_index; /* the index in name or in slave lmv */
605 __u32 lslr_hash_type;
610 struct lmv_mds_md_v1 ll_lmv;
612 int ll_stripes_allocated;
613 int ll_stripes_filled;
615 __u32 ll_max_stripe_count;
616 __u32 ll_max_filled_off;
618 unsigned int ll_lmv_master:1,
626 struct lfsck_slave_lmv_rec *ll_lslr; /* may be vmalloc'd */
629 /* If the namespace LFSCK finds that the master MDT-object of a striped
630 * directory lost its master LMV EA, it will re-generate the master LMV
631 * EA and notify the LFSCK instance on the MDT on which the striped dir
632 * master MDT-object resides to rescan the striped directory. To do that,
633 * the notify handler will insert a "lfsck_lmv_unit" structure into the
634 * lfsck::li_list_lmv. The LFSCK instance will scan such list from time
635 * to time to check whether needs to rescan some stirped directories. */
636 struct lfsck_lmv_unit {
637 struct list_head llu_link;
638 struct lfsck_lmv llu_lmv;
639 struct dt_object *llu_obj;
640 struct lfsck_instance *llu_lfsck;
643 struct lfsck_rec_lmv_save {
644 struct lu_fid lrls_fid;
645 struct lmv_mds_md_v1 lrls_lmv;
648 /* Allow lfsck_record_lmv() to be called recursively at most three times. */
649 #define LFSCK_REC_LMV_MAX_DEPTH 3
651 struct lfsck_instance {
652 struct mutex li_mutex;
655 /* Link into the lfsck_instance_list. */
656 struct list_head li_link;
658 /* For the components in (first) scanning via otable-based iteration. */
659 struct list_head li_list_scan;
661 /* For the components in scanning via directory traversal. Because
662 * directory traversal cannot guarantee all the object be scanned,
663 * so the component in the li_list_dir must be in li_list_scan. */
664 struct list_head li_list_dir;
666 /* For the components in double scanning. */
667 struct list_head li_list_double_scan;
669 /* For the components those are not scanning now. */
670 struct list_head li_list_idle;
672 /* For the lfsck_lmv_unit to be handled. */
673 struct list_head li_list_lmv;
676 atomic_t li_double_scan_count;
677 struct ptlrpc_thread li_thread;
678 struct task_struct *li_task;
680 /* The time for last checkpoint, seconds */
681 time64_t li_time_last_checkpoint;
683 /* The time for next checkpoint, seconds */
684 time64_t li_time_next_checkpoint;
686 lfsck_out_notify li_out_notify;
687 void *li_out_notify_data;
688 struct dt_device *li_next;
689 struct dt_device *li_bottom;
690 struct obd_device *li_obd;
691 struct ldlm_namespace *li_namespace;
692 struct local_oid_storage *li_los;
693 struct lu_fid li_local_root_fid; /* backend root "/" */
694 struct lu_fid li_global_root_fid; /* /ROOT */
695 struct dt_object *li_lfsck_dir;
696 struct dt_object *li_bookmark_obj;
697 struct dt_object *li_lpf_obj;
698 struct dt_object *li_lpf_root_obj;
699 struct lu_client_seq *li_seq;
700 struct lfsck_bookmark li_bookmark_ram;
701 struct lfsck_bookmark li_bookmark_disk;
702 struct lfsck_position li_pos_current;
703 struct lfsck_position li_pos_checkpoint;
705 struct lfsck_lmv *li_lmv;
707 /* Obj for otable-based iteration */
708 struct dt_object *li_obj_oit;
710 /* Obj for directory traversal */
711 struct dt_object *li_obj_dir;
713 /* It for otable-based iteration */
714 struct dt_it *li_di_oit;
716 /* It for directory traversal */
717 struct dt_it *li_di_dir;
719 /* Description of OST */
720 struct lfsck_tgt_descs li_ost_descs;
722 /* Description of MDT */
723 struct lfsck_tgt_descs li_mdt_descs;
725 /* namespace-based directory traversal position. */
728 /* Arguments for low layer otable-based iteration. */
731 /* Arugments for namespace-based directory traversal. */
734 /* Schedule for every N objects. */
737 /* Sleep N jiffies for each schedule. */
740 /* How many objects have been scanned since last sleep. */
741 __u32 li_new_scanned;
743 /* The status when the LFSCK stopped or paused. */
746 /* The flags when the lFSCK stopped or paused. */
749 unsigned int li_oit_over:1, /* oit is finished. */
750 li_drop_dryrun:1, /* Ever dryrun, not now. */
751 li_master:1, /* Master instance or not. */
752 li_current_oit_processed:1,
755 struct lfsck_rec_lmv_save li_rec_lmv_save[LFSCK_REC_LMV_MAX_DEPTH];
758 struct lfsck_async_interpret_args {
759 struct lfsck_component *laia_com;
760 struct lfsck_tgt_descs *laia_ltds;
761 struct lfsck_tgt_desc *laia_ltd;
762 struct lfsck_request *laia_lr;
763 atomic_t *laia_count;
765 unsigned int laia_shared:1;
768 struct lfsck_thread_args {
769 struct lu_env lta_env;
770 struct lfsck_instance *lta_lfsck;
771 struct lfsck_component *lta_com;
772 struct lfsck_start_param *lta_lsp;
775 struct lfsck_assistant_req {
776 struct list_head lar_list;
777 struct lfsck_assistant_object *lar_parent;
780 struct lfsck_namespace_req {
781 struct lfsck_assistant_req lnr_lar;
782 struct lfsck_lmv *lnr_lmv;
783 struct lu_fid lnr_fid;
784 __u64 lnr_dir_cookie;
792 struct lfsck_layout_req {
793 struct lfsck_assistant_req llr_lar;
794 struct dt_object *llr_child;
797 __u32 llr_lov_idx; /* offset in LOV EA */
800 struct lfsck_assistant_operations {
801 int (*la_handler_p1)(const struct lu_env *env,
802 struct lfsck_component *com,
803 struct lfsck_assistant_req *lar);
805 int (*la_handler_p2)(const struct lu_env *env,
806 struct lfsck_component *com);
808 void (*la_fill_pos)(const struct lu_env *env,
809 struct lfsck_component *com,
810 struct lfsck_position *pos);
812 int (*la_double_scan_result)(const struct lu_env *env,
813 struct lfsck_component *com,
816 void (*la_req_fini)(const struct lu_env *env,
817 struct lfsck_assistant_req *lar);
819 void (*la_sync_failures)(const struct lu_env *env,
820 struct lfsck_component *com,
821 struct lfsck_request *lr);
824 struct lfsck_assistant_data {
826 struct list_head lad_req_list;
828 /* list for the ost targets involve LFSCK. */
829 struct list_head lad_ost_list;
831 /* list for the ost targets in phase1 scanning. */
832 struct list_head lad_ost_phase1_list;
834 /* list for the ost targets in phase2 scanning. */
835 struct list_head lad_ost_phase2_list;
837 /* list for the mdt targets involve LFSCK. */
838 struct list_head lad_mdt_list;
840 /* list for the mdt targets in phase1 scanning. */
841 struct list_head lad_mdt_phase1_list;
843 /* list for the mdt targets in phase2 scanning. */
844 struct list_head lad_mdt_phase2_list;
846 const char *lad_name;
847 struct ptlrpc_thread lad_thread;
848 struct task_struct *lad_task;
850 struct lfsck_assistant_operations *lad_ops;
852 struct cfs_bitmap *lad_bitmap;
856 int lad_assistant_status;
858 unsigned int lad_to_post:1,
859 lad_to_double_scan:1,
860 lad_in_double_scan:1,
863 bool lad_advance_lock;
866 #define LFSCK_TMPBUF_LEN 64
868 struct lfsck_lock_handle {
869 struct lustre_handle llh_pdo_lh;
870 struct lustre_handle llh_reg_lh;
871 enum ldlm_mode llh_pdo_mode;
872 enum ldlm_mode llh_reg_mode;
875 struct lfsck_thread_info {
876 struct lu_name lti_name_const;
877 struct lu_name lti_name;
878 struct lu_name lti_name2;
879 struct lu_buf lti_buf;
880 struct lu_buf lti_linkea_buf;
881 struct lu_buf lti_linkea_buf2;
882 struct lu_buf lti_big_buf;
883 struct lu_fid lti_fid;
884 struct lu_fid lti_fid2;
885 struct lu_fid lti_fid3;
886 struct lu_fid lti_fid4;
887 struct lu_attr lti_la;
888 struct lu_attr lti_la2;
889 struct ost_id lti_oi;
890 struct lustre_ost_attrs lti_loa;
891 struct dt_object_format lti_dof;
892 /* There will be '\0' at the end of the name. */
893 char lti_key[sizeof(struct lu_dirent) + NAME_MAX + 1];
894 char lti_tmpbuf[LFSCK_TMPBUF_LEN];
895 char lti_tmpbuf2[LFSCK_TMPBUF_LEN];
896 struct lfsck_request lti_lr;
897 struct lfsck_async_interpret_args lti_laia;
898 struct lfsck_async_interpret_args lti_laia2;
899 struct lfsck_start lti_start;
900 struct lfsck_stop lti_stop;
901 union ldlm_policy_data lti_policy;
902 struct ldlm_enqueue_info lti_einfo;
903 struct ldlm_res_id lti_resid;
904 struct filter_fid lti_ff;
905 struct dt_allocation_hint lti_hint;
906 struct lu_orphan_rec_v3 lti_rec;
907 struct lov_user_md lti_lum;
908 struct dt_insert_rec lti_dt_rec;
909 struct lu_object_conf lti_conf;
910 struct lu_seq_range lti_range;
911 struct lmv_mds_md_v1 lti_lmv;
912 struct lmv_mds_md_v1 lti_lmv2;
913 struct lmv_mds_md_v1 lti_lmv3;
914 struct lmv_mds_md_v1 lti_lmv4;
915 struct lfsck_lock_handle lti_llh;
916 struct lfsck_layout_dangling_key lti_lldk;
920 int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck,
921 struct lu_fid *fid, bool locked);
922 int lfsck_ibits_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
923 struct dt_object *obj, struct lustre_handle *lh,
924 __u64 bits, enum ldlm_mode mode);
925 void lfsck_ibits_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
926 int lfsck_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
927 struct dt_object *obj, const char *name,
928 struct lfsck_lock_handle *llh, __u64 bits, enum ldlm_mode mode);
929 void lfsck_unlock(struct lfsck_lock_handle *llh);
930 int lfsck_find_mdt_idx_by_fid(const struct lu_env *env,
931 struct lfsck_instance *lfsck,
932 const struct lu_fid *fid);
933 int lfsck_verify_lpf(const struct lu_env *env, struct lfsck_instance *lfsck);
934 struct lfsck_instance *lfsck_instance_find(struct dt_device *key, bool ref,
936 struct lfsck_component *lfsck_component_find(struct lfsck_instance *lfsck,
938 void lfsck_component_cleanup(const struct lu_env *env,
939 struct lfsck_component *com);
940 void lfsck_instance_cleanup(const struct lu_env *env,
941 struct lfsck_instance *lfsck);
942 void lfsck_bits_dump(struct seq_file *m, int bits, const char *names[],
944 void lfsck_time_dump(struct seq_file *m, time64_t time, const char *name);
945 void lfsck_pos_dump(struct seq_file *m, struct lfsck_position *pos,
947 void lfsck_pos_fill(const struct lu_env *env, struct lfsck_instance *lfsck,
948 struct lfsck_position *pos, bool init);
949 bool __lfsck_set_speed(struct lfsck_instance *lfsck, __u32 limit);
950 void lfsck_control_speed(struct lfsck_instance *lfsck);
951 void lfsck_control_speed_by_self(struct lfsck_component *com);
952 void lfsck_thread_args_fini(struct lfsck_thread_args *lta);
953 struct lfsck_assistant_data *
954 lfsck_assistant_data_init(struct lfsck_assistant_operations *lao,
956 struct lfsck_assistant_object *
957 lfsck_assistant_object_init(const struct lu_env *env, const struct lu_fid *fid,
958 const struct lu_attr *attr, __u64 cookie,
961 lfsck_assistant_object_load(const struct lu_env *env,
962 struct lfsck_instance *lfsck,
963 struct lfsck_assistant_object *lso);
964 int lfsck_async_interpret_common(const struct lu_env *env,
965 struct ptlrpc_request *req,
967 int lfsck_async_request(const struct lu_env *env, struct obd_export *exp,
968 struct lfsck_request *lr,
969 struct ptlrpc_request_set *set,
970 ptlrpc_interpterer_t interpterer,
971 void *args, int request);
972 int lfsck_query_all(const struct lu_env *env, struct lfsck_component *com);
973 int lfsck_start_assistant(const struct lu_env *env, struct lfsck_component *com,
974 struct lfsck_start_param *lsp);
975 int lfsck_checkpoint_generic(const struct lu_env *env,
976 struct lfsck_component *com);
977 void lfsck_post_generic(const struct lu_env *env,
978 struct lfsck_component *com, int *result);
979 int lfsck_double_scan_generic(const struct lu_env *env,
980 struct lfsck_component *com, int status);
981 void lfsck_quit_generic(const struct lu_env *env,
982 struct lfsck_component *com);
983 int lfsck_load_one_trace_file(const struct lu_env *env,
984 struct lfsck_component *com,
985 struct dt_object *parent,
986 struct dt_object **child,
987 const struct dt_index_features *ft,
988 const char *name, bool reset);
989 int lfsck_load_sub_trace_files(const struct lu_env *env,
990 struct lfsck_component *com,
991 const struct dt_index_features *ft,
992 const char *prefix, bool reset);
995 int lfsck_unpack_ent(struct lu_dirent *ent, __u64 *cookie, __u16 *type);
996 void lfsck_close_dir(const struct lu_env *env,
997 struct lfsck_instance *lfsck, int result);
998 int lfsck_open_dir(const struct lu_env *env,
999 struct lfsck_instance *lfsck, __u64 cookie);
1000 int lfsck_master_engine(void *args);
1001 int lfsck_assistant_engine(void *args);
1003 /* lfsck_bookmark.c */
1004 void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des,
1005 struct lfsck_bookmark *src);
1006 int lfsck_bookmark_store(const struct lu_env *env,
1007 struct lfsck_instance *lfsck);
1008 int lfsck_bookmark_setup(const struct lu_env *env,
1009 struct lfsck_instance *lfsck);
1010 int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck,
1011 struct lfsck_start *start, bool reset);
1013 /* lfsck_namespace.c */
1014 int lfsck_namespace_trace_update(const struct lu_env *env,
1015 struct lfsck_component *com,
1016 const struct lu_fid *fid,
1017 const __u8 flags, bool add);
1018 int lfsck_namespace_check_exist(const struct lu_env *env,
1019 struct dt_object *dir,
1020 struct dt_object *obj, const char *name);
1021 int __lfsck_links_read(const struct lu_env *env, struct dt_object *obj,
1022 struct linkea_data *ldata, bool with_rec);
1023 int lfsck_namespace_rebuild_linkea(const struct lu_env *env,
1024 struct lfsck_component *com,
1025 struct dt_object *obj,
1026 struct linkea_data *ldata);
1027 int lfsck_namespace_repair_dangling(const struct lu_env *env,
1028 struct lfsck_component *com,
1029 struct dt_object *parent,
1030 struct dt_object *child,
1031 struct lfsck_namespace_req *lnr);
1032 int lfsck_namespace_repair_dirent(const struct lu_env *env,
1033 struct lfsck_component *com,
1034 struct dt_object *parent,
1035 struct dt_object *child,
1036 const char *name, const char *name2,
1037 __u16 type, bool update, bool dec);
1038 int lfsck_verify_linkea(const struct lu_env *env, struct dt_object *obj,
1039 const struct lu_name *cname, const struct lu_fid *pfid);
1040 int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj,
1041 char *name, struct lu_fid *pfid);
1042 int lfsck_update_name_entry(const struct lu_env *env,
1043 struct lfsck_instance *lfsck,
1044 struct dt_object *dir, const char *name,
1045 const struct lu_fid *fid, __u32 type);
1046 int lfsck_namespace_setup(const struct lu_env *env,
1047 struct lfsck_instance *lfsck);
1049 /* lfsck_striped_dir.c */
1050 void lfsck_lmv_put(const struct lu_env *env, struct lfsck_lmv *llmv);
1051 int lfsck_read_stripe_lmv(const struct lu_env *env, struct dt_object *obj,
1052 struct lmv_mds_md_v1 *lmv);
1053 int lfsck_shard_name_to_index(const struct lu_env *env, const char *name,
1054 int namelen, __u16 type,
1055 const struct lu_fid *fid);
1056 bool lfsck_is_valid_slave_name_entry(const struct lu_env *env,
1057 struct lfsck_lmv *llmv,
1058 const char *name, int namelen);
1059 int lfsck_namespace_check_name(const struct lu_env *env,
1060 struct dt_object *parent,
1061 struct dt_object *child,
1062 const struct lu_name *cname);
1063 int lfsck_namespace_update_lmv(const struct lu_env *env,
1064 struct lfsck_component *com,
1065 struct dt_object *obj,
1066 struct lmv_mds_md_v1 *lmv, bool locked);
1067 int lfsck_namespace_verify_stripe_slave(const struct lu_env *env,
1068 struct lfsck_component *com,
1069 struct dt_object *obj,
1070 struct lfsck_lmv *llmv);
1071 int lfsck_namespace_scan_shard(const struct lu_env *env,
1072 struct lfsck_component *com,
1073 struct dt_object *child);
1074 int lfsck_namespace_notify_lmv_master_local(const struct lu_env *env,
1075 struct lfsck_component *com,
1076 struct dt_object *obj);
1077 int lfsck_namespace_repair_bad_name_hash(const struct lu_env *env,
1078 struct lfsck_component *com,
1079 struct dt_object *shard,
1080 struct lfsck_lmv *llmv,
1082 int lfsck_namespace_striped_dir_rescan(const struct lu_env *env,
1083 struct lfsck_component *com,
1084 struct lfsck_namespace_req *lnr);
1085 int lfsck_namespace_handle_striped_master(const struct lu_env *env,
1086 struct lfsck_component *com,
1087 struct lfsck_namespace_req *lnr);
1089 /* lfsck_layout.c */
1090 int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck);
1092 extern const char dot[];
1093 extern const char dotdot[];
1094 extern const char *lfsck_flags_names[];
1095 extern const char *lfsck_param_names[];
1096 extern struct lu_context_key lfsck_thread_key;
1098 static inline struct dt_device *lfsck_obj2dev(struct dt_object *obj)
1100 return container_of0(obj->do_lu.lo_dev, struct dt_device, dd_lu_dev);
1103 static inline struct lfsck_thread_info *
1104 lfsck_env_info(const struct lu_env *env)
1106 struct lfsck_thread_info *info;
1108 info = lu_context_key_get(&env->le_ctx, &lfsck_thread_key);
1109 LASSERT(info != NULL);
1113 static inline const struct lu_name *
1114 lfsck_name_get_const(const struct lu_env *env, const void *area, ssize_t len)
1116 struct lu_name *lname;
1118 lname = &lfsck_env_info(env)->lti_name_const;
1119 lname->ln_name = area;
1120 lname->ln_namelen = len;
1125 lfsck_buf_init(struct lu_buf *buf, void *area, ssize_t len)
1131 static inline struct lu_buf *
1132 lfsck_buf_get(const struct lu_env *env, void *area, ssize_t len)
1136 buf = &lfsck_env_info(env)->lti_buf;
1142 static inline const struct lu_buf *
1143 lfsck_buf_get_const(const struct lu_env *env, const void *area, ssize_t len)
1147 buf = &lfsck_env_info(env)->lti_buf;
1148 buf->lb_buf = (void *)area;
1153 static inline char *lfsck_lfsck2name(struct lfsck_instance *lfsck)
1155 return lfsck->li_bottom->dd_lu_dev.ld_obd->obd_name;
1158 static inline const struct lu_fid *lfsck_dto2fid(const struct dt_object *obj)
1160 return lu_object_fid(&obj->do_lu);
1163 static inline void lfsck_pos_set_zero(struct lfsck_position *pos)
1165 memset(pos, 0, sizeof(*pos));
1168 static inline int lfsck_pos_is_zero(const struct lfsck_position *pos)
1170 return pos->lp_oit_cookie == 0 && fid_is_zero(&pos->lp_dir_parent);
1173 static inline int lfsck_pos_is_eq(const struct lfsck_position *pos1,
1174 const struct lfsck_position *pos2)
1176 if (pos1->lp_oit_cookie < pos2->lp_oit_cookie)
1179 if (pos1->lp_oit_cookie > pos2->lp_oit_cookie)
1182 if (fid_is_zero(&pos1->lp_dir_parent) &&
1183 !fid_is_zero(&pos2->lp_dir_parent))
1186 if (!fid_is_zero(&pos1->lp_dir_parent) &&
1187 fid_is_zero(&pos2->lp_dir_parent))
1190 if (fid_is_zero(&pos1->lp_dir_parent) &&
1191 fid_is_zero(&pos2->lp_dir_parent))
1194 LASSERT(lu_fid_eq(&pos1->lp_dir_parent, &pos2->lp_dir_parent));
1196 if (pos1->lp_dir_cookie < pos2->lp_dir_cookie)
1199 if (pos1->lp_dir_cookie > pos2->lp_dir_cookie)
1205 static void inline lfsck_position_le_to_cpu(struct lfsck_position *des,
1206 struct lfsck_position *src)
1208 des->lp_oit_cookie = le64_to_cpu(src->lp_oit_cookie);
1209 fid_le_to_cpu(&des->lp_dir_parent, &src->lp_dir_parent);
1210 des->lp_dir_cookie = le64_to_cpu(src->lp_dir_cookie);
1213 static void inline lfsck_position_cpu_to_le(struct lfsck_position *des,
1214 struct lfsck_position *src)
1216 des->lp_oit_cookie = cpu_to_le64(src->lp_oit_cookie);
1217 fid_cpu_to_le(&des->lp_dir_parent, &src->lp_dir_parent);
1218 des->lp_dir_cookie = cpu_to_le64(src->lp_dir_cookie);
1221 static inline umode_t lfsck_object_type(const struct dt_object *obj)
1223 return lu_object_attr(&obj->do_lu);
1226 static inline int lfsck_is_dead_obj(const struct dt_object *obj)
1228 return lu_object_is_dying(obj->do_lu.lo_header);
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(const struct lu_env *env, struct dt_device *dev,
1266 const struct lu_fid *fid)
1268 return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL));
1271 static inline struct dt_device *
1272 lfsck_find_dev_by_fid(const struct lu_env *env, struct lfsck_instance *lfsck,
1273 const struct lu_fid *fid)
1275 struct dt_device *dev;
1278 if (!lfsck->li_master)
1279 return lfsck->li_bottom;
1281 idx = lfsck_find_mdt_idx_by_fid(env, lfsck, fid);
1283 return ERR_PTR(idx);
1285 if (idx == lfsck_dev_idx(lfsck)) {
1286 dev = lfsck->li_bottom;
1288 struct lfsck_tgt_desc *ltd;
1290 ltd = lfsck_ltd2tgt(&lfsck->li_mdt_descs, idx);
1291 if (unlikely(ltd == NULL))
1292 return ERR_PTR(-ENODEV);
1300 static inline struct dt_object *
1301 lfsck_object_find_bottom(const struct lu_env *env, struct lfsck_instance *lfsck,
1302 const struct lu_fid *fid)
1304 struct dt_device *dev;
1306 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1308 return (struct dt_object *)dev;
1310 return lfsck_object_find_by_dev(env, dev, fid);
1313 static inline struct dt_object *
1314 lfsck_object_find_bottom_new(const struct lu_env *env,
1315 struct lfsck_instance *lfsck,
1316 const struct lu_fid *fid)
1318 struct dt_device *dev;
1320 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1322 return (struct dt_object *)dev;
1324 return lfsck_object_find_by_dev_new(env, dev, fid);
1327 static inline struct dt_object *
1328 lfsck_object_locate(struct dt_device *dev, struct dt_object *obj)
1330 if (lfsck_obj2dev(obj) == dev) {
1333 struct lu_object *lo;
1335 lo = lu_object_locate(obj->do_lu.lo_header,
1336 dev->dd_lu_dev.ld_type);
1337 if (unlikely(lo == NULL))
1338 return ERR_PTR(-ENOENT);
1344 static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
1347 struct lfsck_tgt_desc *ltd;
1349 ltd = lfsck_ltd2tgt(ltds, index);
1351 atomic_inc(<d->ltd_ref);
1356 static inline void lfsck_tgt_put(struct lfsck_tgt_desc *ltd)
1358 if (atomic_dec_and_test(<d->ltd_ref))
1362 static inline struct lfsck_component *
1363 lfsck_component_get(struct lfsck_component *com)
1365 atomic_inc(&com->lc_ref);
1370 static inline void lfsck_component_put(const struct lu_env *env,
1371 struct lfsck_component *com)
1373 if (atomic_dec_and_test(&com->lc_ref)) {
1374 struct lfsck_sub_trace_obj *lsto;
1377 for (i = 0, lsto = &com->lc_sub_trace_objs[0];
1378 i < LFSCK_STF_COUNT; i++, lsto++) {
1379 if (lsto->lsto_obj != NULL)
1380 lfsck_object_put(env, lsto->lsto_obj);
1383 if (com->lc_obj != NULL)
1384 lfsck_object_put(env, com->lc_obj);
1385 if (com->lc_file_ram != NULL)
1386 OBD_FREE(com->lc_file_ram, com->lc_file_size);
1387 if (com->lc_file_disk != NULL)
1388 OBD_FREE(com->lc_file_disk, com->lc_file_size);
1389 if (com->lc_data != NULL) {
1390 LASSERT(com->lc_ops->lfsck_data_release != NULL);
1392 com->lc_ops->lfsck_data_release(env, com);
1399 static inline struct lfsck_instance *
1400 lfsck_instance_get(struct lfsck_instance *lfsck)
1402 atomic_inc(&lfsck->li_ref);
1407 static inline void lfsck_instance_put(const struct lu_env *env,
1408 struct lfsck_instance *lfsck)
1410 if (atomic_dec_and_test(&lfsck->li_ref))
1411 lfsck_instance_cleanup(env, lfsck);
1414 static inline bool lfsck_phase2_next_ready(struct lfsck_assistant_data *lad)
1416 return list_empty(&lad->lad_mdt_phase1_list) &&
1417 (!list_empty(&lad->lad_ost_phase2_list) ||
1418 list_empty(&lad->lad_ost_phase1_list));
1421 static inline void lfsck_lad_set_bitmap(const struct lu_env *env,
1422 struct lfsck_component *com,
1425 struct lfsck_assistant_data *lad = com->lc_data;
1426 struct cfs_bitmap *bitmap = lad->lad_bitmap;
1428 LASSERT(com->lc_lfsck->li_master);
1429 LASSERT(bitmap != NULL);
1431 if (likely(bitmap->size > index)) {
1432 cfs_bitmap_set(bitmap, index);
1433 lad->lad_incomplete = 1;
1434 } else if (com->lc_type == LFSCK_TYPE_NAMESPACE) {
1435 struct lfsck_namespace *ns = com->lc_file_ram;
1437 ns->ln_flags |= LF_INCOMPLETE;
1440 CDEBUG(D_LFSCK, "%s: %s LFSCK set bitmap (%p/%u) for idx %u\n",
1441 lfsck_lfsck2name(com->lc_lfsck), lad->lad_name, bitmap,
1442 bitmap->size, index);
1445 static inline int lfsck_links_read(const struct lu_env *env,
1446 struct dt_object *obj,
1447 struct linkea_data *ldata)
1450 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
1453 return __lfsck_links_read(env, obj, ldata, false);
1456 /* Read linkEA for the given object, the linkEA should contain
1457 * at least one entry, otherwise, -ENODATA will be returned. */
1458 static inline int lfsck_links_read_with_rec(const struct lu_env *env,
1459 struct dt_object *obj,
1460 struct linkea_data *ldata)
1463 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
1466 return __lfsck_links_read(env, obj, ldata, true);
1469 static inline int lfsck_links_read2_with_rec(const struct lu_env *env,
1470 struct dt_object *obj,
1471 struct linkea_data *ldata)
1474 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf2,
1477 return __lfsck_links_read(env, obj, ldata, true);
1480 static inline struct lfsck_lmv *lfsck_lmv_get(struct lfsck_lmv *llmv)
1483 atomic_inc(&llmv->ll_ref);
1488 static inline int lfsck_sub_trace_file_fid2idx(const struct lu_fid *fid)
1490 return fid->f_oid & (LFSCK_STF_COUNT - 1);
1493 static inline void lfsck_lmv_header_le_to_cpu(struct lmv_mds_md_v1 *dst,
1494 const struct lmv_mds_md_v1 *src)
1496 dst->lmv_magic = le32_to_cpu(src->lmv_magic);
1497 dst->lmv_stripe_count = le32_to_cpu(src->lmv_stripe_count);
1498 dst->lmv_master_mdt_index = le32_to_cpu(src->lmv_master_mdt_index);
1499 dst->lmv_hash_type = le32_to_cpu(src->lmv_hash_type);
1500 dst->lmv_layout_version = le32_to_cpu(src->lmv_layout_version);
1501 dst->lmv_migrate_offset = le32_to_cpu(src->lmv_migrate_offset);
1502 dst->lmv_migrate_hash = le32_to_cpu(src->lmv_migrate_hash);
1505 static inline void lfsck_lmv_header_cpu_to_le(struct lmv_mds_md_v1 *dst,
1506 const struct lmv_mds_md_v1 *src)
1508 dst->lmv_magic = cpu_to_le32(src->lmv_magic);
1509 dst->lmv_stripe_count = cpu_to_le32(src->lmv_stripe_count);
1510 dst->lmv_master_mdt_index = cpu_to_le32(src->lmv_master_mdt_index);
1511 dst->lmv_hash_type = cpu_to_le32(src->lmv_hash_type);
1512 dst->lmv_layout_version = cpu_to_le32(src->lmv_layout_version);
1513 dst->lmv_migrate_offset = cpu_to_le32(src->lmv_migrate_offset);
1514 dst->lmv_migrate_hash = cpu_to_le32(src->lmv_migrate_hash);
1517 static inline struct lfsck_assistant_object *
1518 lfsck_assistant_object_get(struct lfsck_assistant_object *lso)
1520 atomic_inc(&lso->lso_ref);
1526 lfsck_assistant_object_put(const struct lu_env *env,
1527 struct lfsck_assistant_object *lso)
1529 if (atomic_dec_and_test(&lso->lso_ref))
1532 #endif /* _LFSCK_INTERNAL_H */