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 LFSCK_CHECKPOINT_INTERVAL 60
53 /* Finish the first cycle scanning. */
54 LF_SCANNED_ONCE = 0x00000001ULL,
56 /* There is some namespace inconsistency. */
57 LF_INCONSISTENT = 0x00000002ULL,
59 /* The device is upgraded from 1.8 format. */
60 LF_UPGRADE = 0x00000004ULL,
62 /* The server ever restarted during the LFSCK, and may miss to process
63 * some objects check/repair. */
64 LF_INCOMPLETE = 0x00000008ULL,
66 /* The LAST_ID (file) crashed. */
67 LF_CRASHED_LASTID = 0x00000010ULL,
70 struct lfsck_position {
71 /* low layer object table-based iteration position. */
74 /* parent FID for directory traversal. */
75 struct lu_fid lp_dir_parent;
77 /* namespace-based directory traversal position. */
81 struct lfsck_bookmark {
82 /* Magic number to detect that this struct contains valid data. */
85 /* For compatible with old versions. */
88 /* See 'enum lfsck_param_flags' */
91 /* How many items can be scanned at most per second. */
94 /* The windows size for async requests pipeline. */
95 __u16 lb_async_windows;
97 /* For 64-bits aligned. */
100 /* The FID for .lustre/lost+found/MDTxxxx */
101 struct lu_fid lb_lpf_fid;
103 /* The FID for the last MDT-object created by the LFSCK repairing. */
104 struct lu_fid lb_last_fid;
106 /* For future using. */
107 __u64 lb_reserved[2];
110 enum lfsck_namespace_trace_flags {
111 LNTF_CHECK_LINKEA = 0x01,
112 LNTF_CHECK_PARENT = 0x02,
113 LNTF_CHECK_ORPHAN = 0x08,
114 LNTF_UNCERTAIN_LMV = 0x10,
115 LNTF_RECHECK_NAME_HASH = 0x20,
119 enum lfsck_namespace_inconsistency_type {
122 LNIT_UNMATCHED_PAIRS = 2,
129 struct lfsck_namespace {
130 /* Magic number to detect that this struct contains valid data. */
133 /* See 'enum lfsck_status'. */
136 /* See 'enum lfsck_flags'. */
139 /* How many completed LFSCK runs on the device. */
140 __u32 ln_success_count;
142 /* How long the LFSCK phase1 has run in seconds. */
143 time64_t ln_run_time_phase1;
145 /* How long the LFSCK phase2 has run in seconds. */
146 time64_t ln_run_time_phase2;
148 /* Time for the last LFSCK completed in seconds since epoch. */
149 time64_t ln_time_last_complete;
151 /* Time for the latest LFSCK ran in seconds since epoch. */
152 time64_t ln_time_latest_start;
154 /* Time for the last LFSCK checkpoint in seconds since epoch. */
155 time64_t ln_time_last_checkpoint;
157 /* Position for the latest LFSCK started from. */
158 struct lfsck_position ln_pos_latest_start;
160 /* Position for the last LFSCK checkpoint. */
161 struct lfsck_position ln_pos_last_checkpoint;
163 /* Position for the first should be updated object. */
164 struct lfsck_position ln_pos_first_inconsistent;
166 /* How many items (including dir) have been checked. */
167 __u64 ln_items_checked;
169 /* How many items have been repaired. */
170 __u64 ln_items_repaired;
172 /* How many items failed to be processed. */
173 __u64 ln_items_failed;
175 /* How many directories have been traversed. */
176 __u64 ln_dirs_checked;
178 /* How many objects have been double scanned. */
179 __u64 ln_objs_checked_phase2;
181 /* How many objects have been reparied during double scan. */
182 __u64 ln_objs_repaired_phase2;
184 /* How many objects failed to be processed during double scan. */
185 __u64 ln_objs_failed_phase2;
187 /* How many objects with nlink fixed. */
188 __u64 ln_objs_nlink_repaired;
190 /* The latest object has been processed (failed) during double scan. */
191 struct lu_fid ln_fid_latest_scanned_phase2;
193 /* How many FID-in-dirent entries have been repaired. */
194 __u64 ln_dirent_repaired;
196 /* How many linkEA entries have been repaired. */
197 __u64 ln_linkea_repaired;
199 /* How many multiple-linked objects have been checked. */
200 __u64 ln_mul_linked_checked;
202 /* How many multiple-linked objects have been repaired. */
203 __u64 ln_mul_linked_repaired;
205 /* How many undefined inconsistency found in phase2. */
206 __u64 ln_unknown_inconsistency;
208 /* How many unmatched pairs have been repaired. */
209 __u64 ln_unmatched_pairs_repaired;
211 /* How many dangling name entries have been found/repaired. */
212 __u64 ln_dangling_repaired;
214 /* How many multiple referenced name entries have been
216 __u64 ln_mul_ref_repaired;
218 /* How many name entries with bad file type have been repaired. */
219 __u64 ln_bad_type_repaired;
221 /* How many lost name entries have been re-inserted. */
222 __u64 ln_lost_dirent_repaired;
224 /* How many objects under /lost+found have been scanned. */
225 __u64 ln_local_lpf_scanned;
227 /* How many objects under /lost+found have been moved to
228 * namespace visible directory. */
229 __u64 ln_local_lpf_moved;
231 /* How many objects under /lost+found have been skipped. */
232 __u64 ln_local_lpf_skipped;
234 /* How many objects under /lost+found failed to be processed. */
235 __u64 ln_local_lpf_failed;
237 /* How many striped directories (master) have been scanned. */
238 __u64 ln_striped_dirs_scanned;
240 /* How many striped directories (master) have been repaired. */
241 __u64 ln_striped_dirs_repaired;
243 /* How many striped directories (master) failed verification. */
244 __u64 ln_striped_dirs_failed;
246 /* How many striped directories (master) has been disabled. */
247 __u64 ln_striped_dirs_disabled;
249 /* How many striped directory's (master) have been skipped
250 * (for shards verification) because of lost master LMV EA. */
251 __u64 ln_striped_dirs_skipped;
253 /* How many striped directory's shards (slave) have been scanned. */
254 __u64 ln_striped_shards_scanned;
256 /* How many striped directory's shards (slave) have been repaired. */
257 __u64 ln_striped_shards_repaired;
259 /* How many striped directory's shards (slave) failed verification. */
260 __u64 ln_striped_shards_failed;
262 /* How many striped directory's shards (slave) have been skipped
263 * (for name hash verification) because do not know whether the slave
264 * LMV EA is valid or not. */
265 __u64 ln_striped_shards_skipped;
267 /* How many name entries under striped directory with bad name
268 * hash have been repaired. */
269 __u64 ln_name_hash_repaired;
271 /* The size of MDT targets bitmap with nbits. Such bitmap records
272 * the MDTs that contain non-verified MDT-objects. */
273 __u32 ln_bitmap_size;
275 /* For further using. 256-bytes aligned now. */
278 /* Time for the latest LFSCK scan in seconds from the beginning. */
279 time64_t ln_time_latest_reset;
281 /* How many linkEA overflow timestamp have been cleared. */
282 __u64 ln_linkea_overflow_cleared;
284 /* For further using. 256-bytes aligned now. */
285 __u64 ln_reserved[12];
288 enum lfsck_layout_inconsistency_type {
291 LLIT_UNMATCHED_PAIR = 2,
292 LLIT_MULTIPLE_REFERENCED = 3,
294 LLIT_INCONSISTENT_OWNER = 5,
296 LLIT_MAX = LLIT_OTHERS
299 struct lfsck_layout {
300 /* Magic number to detect that this struct contains valid data. */
303 /* See 'enum lfsck_status'. */
306 /* See 'enum lfsck_flags'. */
309 /* How many completed LFSCK runs on the device. */
310 __u32 ll_success_count;
312 /* How long the LFSCK phase1 has run in seconds. */
313 time64_t ll_run_time_phase1;
315 /* How long the LFSCK phase2 has run in seconds. */
316 time64_t ll_run_time_phase2;
318 /* Time for the last LFSCK completed in seconds since epoch. */
319 time64_t ll_time_last_complete;
321 /* Time for the latest LFSCK ran in seconds since epoch. */
322 time64_t ll_time_latest_start;
324 /* Time for the last LFSCK checkpoint in seconds since epoch. */
325 time64_t ll_time_last_checkpoint;
327 /* Position for the latest LFSCK started from. */
328 __u64 ll_pos_latest_start;
330 /* Position for the last LFSCK checkpoint. */
331 __u64 ll_pos_last_checkpoint;
333 /* Position for the first object to be fixed or
334 * failed to be checked in the phase1. */
335 __u64 ll_pos_first_inconsistent;
337 /* How many objects have been checked. */
338 __u64 ll_objs_checked_phase1;
340 /* How many objects failed to be processed. */
341 __u64 ll_objs_failed_phase1;
343 /* How many objects have been double scanned. */
344 __u64 ll_objs_checked_phase2;
346 /* How many objects failed to be processed during double scan. */
347 __u64 ll_objs_failed_phase2;
349 /* kinds of inconsistency have been or to be repaired.
350 * ll_objs_repaired[type - 1] is the count for the given @type. */
351 __u64 ll_objs_repaired[LLIT_MAX];
353 /* How many objects have been skipped because of related
354 * MDT(s)/OST(s) do not participate in the LFSCK */
355 __u64 ll_objs_skipped;
357 /* The size of ll_ost_bitmap with nbits. */
358 __u32 ll_bitmap_size;
360 /* For further using. 256-bytes aligned now. */
363 /* The latest object has been processed (failed) during double scan. */
364 struct lfsck_layout_dangling_key ll_lldk_latest_scanned_phase2;
366 /* For further using */
367 u64 ll_reserved_2[7];
369 /* The OST targets bitmap to record the OSTs that contain
370 * non-verified OST-objects. */
371 __u8 ll_ost_bitmap[0];
374 struct lfsck_assistant_object {
375 struct lu_fid lso_fid;
376 __u64 lso_oit_cookie;
377 struct lu_attr lso_attr;
379 unsigned int lso_dead:1,
383 struct lfsck_component;
384 struct lfsck_tgt_descs;
385 struct lfsck_tgt_desc;
387 struct lfsck_operations {
388 int (*lfsck_reset)(const struct lu_env *env,
389 struct lfsck_component *com,
392 void (*lfsck_fail)(const struct lu_env *env,
393 struct lfsck_component *com,
396 void (*lfsck_close_dir)(const struct lu_env *env,
397 struct lfsck_component *com);
399 int (*lfsck_open_dir)(const struct lu_env *env,
400 struct lfsck_component *com);
402 int (*lfsck_checkpoint)(const struct lu_env *env,
403 struct lfsck_component *com,
406 int (*lfsck_prep)(const struct lu_env *env,
407 struct lfsck_component *com,
408 struct lfsck_start_param *lsp);
410 int (*lfsck_exec_oit)(const struct lu_env *env,
411 struct lfsck_component *com,
412 struct dt_object *obj);
414 int (*lfsck_exec_dir)(const struct lu_env *env,
415 struct lfsck_component *com,
416 struct lfsck_assistant_object *lso,
417 struct lu_dirent *ent,
420 int (*lfsck_post)(const struct lu_env *env,
421 struct lfsck_component *com,
425 void (*lfsck_dump)(const struct lu_env *env,
426 struct lfsck_component *com,
429 int (*lfsck_double_scan)(const struct lu_env *env,
430 struct lfsck_component *com);
432 void (*lfsck_data_release)(const struct lu_env *env,
433 struct lfsck_component *com);
435 void (*lfsck_quit)(const struct lu_env *env,
436 struct lfsck_component *com);
438 int (*lfsck_in_notify_local)(const struct lu_env *env,
439 struct lfsck_component *com,
440 struct lfsck_req_local *lrl,
443 int (*lfsck_in_notify)(const struct lu_env *env,
444 struct lfsck_component *com,
445 struct lfsck_request *lr);
447 int (*lfsck_query)(const struct lu_env *env,
448 struct lfsck_component *com,
449 struct lfsck_request *req,
450 struct lfsck_reply *rep,
451 struct lfsck_query *que, int idx);
453 int (*lfsck_join)(const struct lu_env *env,
454 struct lfsck_component *com,
455 struct lfsck_start_param *lsp);
458 #define TGT_PTRS 256 /* number of pointers at 1st level */
459 #define TGT_PTRS_PER_BLOCK 256 /* number of pointers at 2nd level */
461 struct lfsck_tgt_desc {
462 struct list_head ltd_orphan_list;
463 struct dt_device *ltd_tgt;
464 struct dt_device *ltd_key;
465 struct obd_export *ltd_exp;
466 struct list_head ltd_layout_list;
467 struct list_head ltd_layout_phase_list;
468 struct list_head ltd_namespace_list;
469 struct list_head ltd_namespace_phase_list;
470 __u32 ltd_layout_status;
471 __u32 ltd_namespace_status;
472 __u64 ltd_layout_repaired;
473 __u64 ltd_namespace_repaired;
476 __u32 ltd_layout_gen;
477 __u32 ltd_namespace_gen;
478 unsigned int ltd_dead:1,
480 ltd_namespace_done:1,
481 ltd_synced_failures:1;
484 struct lfsck_tgt_desc_idx {
485 struct lfsck_tgt_desc *ldi_tgts[TGT_PTRS_PER_BLOCK];
488 struct lfsck_tgt_descs {
489 /* list of known TGTs */
490 struct lfsck_tgt_desc_idx *ltd_tgts_idx[TGT_PTRS];
492 /* bitmap of TGTs available */
493 struct cfs_bitmap *ltd_tgts_bitmap;
495 /* for lfsck_tgt_desc::ltd_xxx_list */
498 /* for tgts table accessing and changes */
499 struct rw_semaphore ltd_rw_sem;
501 /* Temporary list for orphan targets. */
502 struct list_head ltd_orphan;
504 /* number of registered TGTs */
508 static inline struct lfsck_tgt_desc *
509 lfsck_ltd2tgt(struct lfsck_tgt_descs *ltd, __u32 index)
511 __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
512 __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
513 struct lfsck_tgt_desc *__tgt = NULL;
515 if (unlikely(idx1 >= TGT_PTRS))
516 CDEBUG(D_LFSCK, "The target idx %u is invalid.\n", index);
517 else if (likely(ltd->ltd_tgts_idx[idx1] != NULL))
518 __tgt = ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2];
523 static inline void lfsck_assign_tgt(struct lfsck_tgt_descs *ltd,
524 struct lfsck_tgt_desc *tgt, __u32 index)
526 __u32 idx1 = index / TGT_PTRS_PER_BLOCK;
527 __u32 idx2 = index % TGT_PTRS_PER_BLOCK;
529 if (likely(idx1 < TGT_PTRS && ltd->ltd_tgts_idx[idx1] != NULL))
530 ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2] = tgt;
533 #define LFSCK_STF_BITS 4
534 /* If want to adjust the LFSCK_STF_COUNT, please change LFSCK_STF_BITS. */
535 #define LFSCK_STF_COUNT (1 << LFSCK_STF_BITS)
537 struct lfsck_sub_trace_obj {
538 struct dt_object *lsto_obj;
539 struct mutex lsto_mutex;
542 struct lfsck_component {
543 /* into lfsck_instance::li_list_(scan,double_scan,idle} */
544 struct list_head lc_link;
546 /* into lfsck_instance::li_list_dir */
547 struct list_head lc_link_dir;
549 struct rw_semaphore lc_sem;
552 struct lfsck_position lc_pos_start;
553 struct lfsck_instance *lc_lfsck;
554 struct dt_object *lc_obj;
555 struct lfsck_sub_trace_obj lc_sub_trace_objs[LFSCK_STF_COUNT];
556 struct lfsck_operations *lc_ops;
560 struct lu_fid lc_fid_latest_scanned_phase2;
562 /* The time for last checkpoint, seconds */
563 time64_t lc_time_last_checkpoint;
565 /* The time for next checkpoint, seconds */
566 time64_t lc_time_next_checkpoint;
570 /* How many objects have been checked since last checkpoint. */
571 __u32 lc_new_checked;
573 /* How many objects have been scanned since last sleep. */
574 __u32 lc_new_scanned;
579 #define LFSCK_LMV_MAX_STRIPES LMV_MAX_STRIPE_COUNT
580 #define LFSCK_LMV_DEF_STRIPES 4
582 /* Warning: NOT change the lfsck_slave_lmv_flags members order,
583 * otherwise the lfsck_record_lmv() may be wrong. */
584 enum lfsck_slave_lmv_flags {
592 /* When the namespace LFSCK scans a striped directory, it will record all
593 * the known shards' information in the structure "lfsck_slave_lmv_rec",
594 * including the shard's FID, index, slave LMV EA, and so on. Each shard
595 * will take one lfsck_slave_lmv_rec slot. After the 1st cycle scanning
596 * the striped directory, the LFSCK will get all the information about
597 * whether there are some inconsistency, and then it can repair them in
598 * the 2nd cycle scanning. */
599 struct lfsck_slave_lmv_rec {
600 struct lu_fid lslr_fid;
601 __u32 lslr_stripe_count;
602 __u32 lslr_index; /* the index in name or in slave lmv */
603 __u32 lslr_hash_type;
608 struct lmv_mds_md_v1 ll_lmv;
610 int ll_stripes_allocated;
611 int ll_stripes_filled;
613 __u32 ll_max_stripe_count;
614 __u32 ll_max_filled_off;
616 unsigned int ll_lmv_master:1,
623 struct lfsck_slave_lmv_rec *ll_lslr; /* may be vmalloc'd */
626 /* If the namespace LFSCK finds that the master MDT-object of a striped
627 * directory lost its master LMV EA, it will re-generate the master LMV
628 * EA and notify the LFSCK instance on the MDT on which the striped dir
629 * master MDT-object resides to rescan the striped directory. To do that,
630 * the notify handler will insert a "lfsck_lmv_unit" structure into the
631 * lfsck::li_list_lmv. The LFSCK instance will scan such list from time
632 * to time to check whether needs to rescan some stirped directories. */
633 struct lfsck_lmv_unit {
634 struct list_head llu_link;
635 struct lfsck_lmv llu_lmv;
636 struct dt_object *llu_obj;
637 struct lfsck_instance *llu_lfsck;
640 struct lfsck_rec_lmv_save {
641 struct lu_fid lrls_fid;
642 struct lmv_mds_md_v1 lrls_lmv;
645 /* Allow lfsck_record_lmv() to be called recursively at most three times. */
646 #define LFSCK_REC_LMV_MAX_DEPTH 3
648 struct lfsck_instance {
649 struct mutex li_mutex;
652 /* Link into the lfsck_instance_list. */
653 struct list_head li_link;
655 /* For the components in (first) scanning via otable-based iteration. */
656 struct list_head li_list_scan;
658 /* For the components in scanning via directory traversal. Because
659 * directory traversal cannot guarantee all the object be scanned,
660 * so the component in the li_list_dir must be in li_list_scan. */
661 struct list_head li_list_dir;
663 /* For the components in double scanning. */
664 struct list_head li_list_double_scan;
666 /* For the components those are not scanning now. */
667 struct list_head li_list_idle;
669 /* For the lfsck_lmv_unit to be handled. */
670 struct list_head li_list_lmv;
673 atomic_t li_double_scan_count;
674 struct ptlrpc_thread li_thread;
676 /* The time for last checkpoint, seconds */
677 time64_t li_time_last_checkpoint;
679 /* The time for next checkpoint, seconds */
680 time64_t li_time_next_checkpoint;
682 lfsck_out_notify li_out_notify;
683 void *li_out_notify_data;
684 struct dt_device *li_next;
685 struct dt_device *li_bottom;
686 struct obd_device *li_obd;
687 struct ldlm_namespace *li_namespace;
688 struct local_oid_storage *li_los;
689 struct lu_fid li_local_root_fid; /* backend root "/" */
690 struct lu_fid li_global_root_fid; /* /ROOT */
691 struct dt_object *li_lfsck_dir;
692 struct dt_object *li_bookmark_obj;
693 struct dt_object *li_lpf_obj;
694 struct dt_object *li_lpf_root_obj;
695 struct lu_client_seq *li_seq;
696 struct lfsck_bookmark li_bookmark_ram;
697 struct lfsck_bookmark li_bookmark_disk;
698 struct lfsck_position li_pos_current;
699 struct lfsck_position li_pos_checkpoint;
701 struct lfsck_lmv *li_lmv;
703 /* Obj for otable-based iteration */
704 struct dt_object *li_obj_oit;
706 /* Obj for directory traversal */
707 struct dt_object *li_obj_dir;
709 /* It for otable-based iteration */
710 struct dt_it *li_di_oit;
712 /* It for directory traversal */
713 struct dt_it *li_di_dir;
715 /* Description of OST */
716 struct lfsck_tgt_descs li_ost_descs;
718 /* Description of MDT */
719 struct lfsck_tgt_descs li_mdt_descs;
721 /* namespace-based directory traversal position. */
724 /* Arguments for low layer otable-based iteration. */
727 /* Arugments for namespace-based directory traversal. */
730 /* Schedule for every N objects. */
733 /* Sleep N jiffies for each schedule. */
736 /* How many objects have been scanned since last sleep. */
737 __u32 li_new_scanned;
739 /* The status when the LFSCK stopped or paused. */
742 /* The flags when the lFSCK stopped or paused. */
745 unsigned int li_oit_over:1, /* oit is finished. */
746 li_drop_dryrun:1, /* Ever dryrun, not now. */
747 li_master:1, /* Master instance or not. */
748 li_current_oit_processed:1,
750 struct lfsck_rec_lmv_save li_rec_lmv_save[LFSCK_REC_LMV_MAX_DEPTH];
753 struct lfsck_async_interpret_args {
754 struct lfsck_component *laia_com;
755 struct lfsck_tgt_descs *laia_ltds;
756 struct lfsck_tgt_desc *laia_ltd;
757 struct lfsck_request *laia_lr;
758 atomic_t *laia_count;
760 unsigned int laia_shared:1;
763 struct lfsck_thread_args {
764 struct lu_env lta_env;
765 struct lfsck_instance *lta_lfsck;
766 struct lfsck_component *lta_com;
767 struct lfsck_start_param *lta_lsp;
770 struct lfsck_assistant_req {
771 struct list_head lar_list;
772 struct lfsck_assistant_object *lar_parent;
775 struct lfsck_namespace_req {
776 struct lfsck_assistant_req lnr_lar;
777 struct lfsck_lmv *lnr_lmv;
778 struct lu_fid lnr_fid;
779 __u64 lnr_dir_cookie;
787 struct lfsck_layout_req {
788 struct lfsck_assistant_req llr_lar;
789 struct dt_object *llr_child;
792 __u32 llr_lov_idx; /* offset in LOV EA */
795 struct lfsck_assistant_operations {
796 int (*la_handler_p1)(const struct lu_env *env,
797 struct lfsck_component *com,
798 struct lfsck_assistant_req *lar);
800 int (*la_handler_p2)(const struct lu_env *env,
801 struct lfsck_component *com);
803 void (*la_fill_pos)(const struct lu_env *env,
804 struct lfsck_component *com,
805 struct lfsck_position *pos);
807 int (*la_double_scan_result)(const struct lu_env *env,
808 struct lfsck_component *com,
811 void (*la_req_fini)(const struct lu_env *env,
812 struct lfsck_assistant_req *lar);
814 void (*la_sync_failures)(const struct lu_env *env,
815 struct lfsck_component *com,
816 struct lfsck_request *lr);
819 struct lfsck_assistant_data {
821 struct list_head lad_req_list;
823 /* list for the ost targets involve LFSCK. */
824 struct list_head lad_ost_list;
826 /* list for the ost targets in phase1 scanning. */
827 struct list_head lad_ost_phase1_list;
829 /* list for the ost targets in phase2 scanning. */
830 struct list_head lad_ost_phase2_list;
832 /* list for the mdt targets involve LFSCK. */
833 struct list_head lad_mdt_list;
835 /* list for the mdt targets in phase1 scanning. */
836 struct list_head lad_mdt_phase1_list;
838 /* list for the mdt targets in phase2 scanning. */
839 struct list_head lad_mdt_phase2_list;
841 const char *lad_name;
842 struct ptlrpc_thread lad_thread;
843 struct task_struct *lad_task;
845 struct lfsck_assistant_operations *lad_ops;
847 struct cfs_bitmap *lad_bitmap;
851 int lad_assistant_status;
853 unsigned int lad_to_post:1,
854 lad_to_double_scan:1,
855 lad_in_double_scan:1,
858 bool lad_advance_lock;
861 #define LFSCK_TMPBUF_LEN 64
863 struct lfsck_lock_handle {
864 struct lustre_handle llh_pdo_lh;
865 struct lustre_handle llh_reg_lh;
866 enum ldlm_mode llh_pdo_mode;
867 enum ldlm_mode llh_reg_mode;
870 struct lfsck_thread_info {
871 struct lu_name lti_name_const;
872 struct lu_name lti_name;
873 struct lu_name lti_name2;
874 struct lu_buf lti_buf;
875 struct lu_buf lti_linkea_buf;
876 struct lu_buf lti_linkea_buf2;
877 struct lu_buf lti_big_buf;
878 struct lu_fid lti_fid;
879 struct lu_fid lti_fid2;
880 struct lu_fid lti_fid3;
881 struct lu_fid lti_fid4;
882 struct lu_attr lti_la;
883 struct lu_attr lti_la2;
884 struct ost_id lti_oi;
885 struct lustre_ost_attrs lti_loa;
886 struct dt_object_format lti_dof;
887 /* There will be '\0' at the end of the name. */
888 char lti_key[sizeof(struct lu_dirent) + NAME_MAX + 1];
889 char lti_tmpbuf[LFSCK_TMPBUF_LEN];
890 char lti_tmpbuf2[LFSCK_TMPBUF_LEN];
891 struct lfsck_request lti_lr;
892 struct lfsck_async_interpret_args lti_laia;
893 struct lfsck_async_interpret_args lti_laia2;
894 struct lfsck_start lti_start;
895 struct lfsck_stop lti_stop;
896 union ldlm_policy_data lti_policy;
897 struct ldlm_enqueue_info lti_einfo;
898 struct ldlm_res_id lti_resid;
899 struct filter_fid lti_ff;
900 struct dt_allocation_hint lti_hint;
901 struct lu_orphan_rec_v2 lti_rec;
902 struct lov_user_md lti_lum;
903 struct dt_insert_rec lti_dt_rec;
904 struct lu_object_conf lti_conf;
905 struct lu_seq_range lti_range;
906 struct lmv_mds_md_v1 lti_lmv;
907 struct lmv_mds_md_v1 lti_lmv2;
908 struct lmv_mds_md_v1 lti_lmv3;
909 struct lmv_mds_md_v1 lti_lmv4;
910 struct lfsck_lock_handle lti_llh;
911 struct lfsck_layout_dangling_key lti_lldk;
915 int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck,
916 struct lu_fid *fid, bool locked);
917 int lfsck_ibits_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
918 struct dt_object *obj, struct lustre_handle *lh,
919 __u64 bits, enum ldlm_mode mode);
920 void lfsck_ibits_unlock(struct lustre_handle *lh, enum ldlm_mode mode);
921 int lfsck_lock(const struct lu_env *env, struct lfsck_instance *lfsck,
922 struct dt_object *obj, const char *name,
923 struct lfsck_lock_handle *llh, __u64 bits, enum ldlm_mode mode);
924 void lfsck_unlock(struct lfsck_lock_handle *llh);
925 int lfsck_find_mdt_idx_by_fid(const struct lu_env *env,
926 struct lfsck_instance *lfsck,
927 const struct lu_fid *fid);
928 int lfsck_verify_lpf(const struct lu_env *env, struct lfsck_instance *lfsck);
929 struct lfsck_instance *lfsck_instance_find(struct dt_device *key, bool ref,
931 struct lfsck_component *lfsck_component_find(struct lfsck_instance *lfsck,
933 void lfsck_component_cleanup(const struct lu_env *env,
934 struct lfsck_component *com);
935 void lfsck_instance_cleanup(const struct lu_env *env,
936 struct lfsck_instance *lfsck);
937 void lfsck_bits_dump(struct seq_file *m, int bits, const char *names[],
939 void lfsck_time_dump(struct seq_file *m, time64_t time, const char *name);
940 void lfsck_pos_dump(struct seq_file *m, struct lfsck_position *pos,
942 void lfsck_pos_fill(const struct lu_env *env, struct lfsck_instance *lfsck,
943 struct lfsck_position *pos, bool init);
944 bool __lfsck_set_speed(struct lfsck_instance *lfsck, __u32 limit);
945 void lfsck_control_speed(struct lfsck_instance *lfsck);
946 void lfsck_control_speed_by_self(struct lfsck_component *com);
947 void lfsck_thread_args_fini(struct lfsck_thread_args *lta);
948 struct lfsck_assistant_data *
949 lfsck_assistant_data_init(struct lfsck_assistant_operations *lao,
951 struct lfsck_assistant_object *
952 lfsck_assistant_object_init(const struct lu_env *env, const struct lu_fid *fid,
953 const struct lu_attr *attr, __u64 cookie,
956 lfsck_assistant_object_load(const struct lu_env *env,
957 struct lfsck_instance *lfsck,
958 struct lfsck_assistant_object *lso);
959 int lfsck_async_interpret_common(const struct lu_env *env,
960 struct ptlrpc_request *req,
962 int lfsck_async_request(const struct lu_env *env, struct obd_export *exp,
963 struct lfsck_request *lr,
964 struct ptlrpc_request_set *set,
965 ptlrpc_interpterer_t interpterer,
966 void *args, int request);
967 int lfsck_query_all(const struct lu_env *env, struct lfsck_component *com);
968 int lfsck_start_assistant(const struct lu_env *env, struct lfsck_component *com,
969 struct lfsck_start_param *lsp);
970 int lfsck_checkpoint_generic(const struct lu_env *env,
971 struct lfsck_component *com);
972 void lfsck_post_generic(const struct lu_env *env,
973 struct lfsck_component *com, int *result);
974 int lfsck_double_scan_generic(const struct lu_env *env,
975 struct lfsck_component *com, int status);
976 void lfsck_quit_generic(const struct lu_env *env,
977 struct lfsck_component *com);
978 int lfsck_load_one_trace_file(const struct lu_env *env,
979 struct lfsck_component *com,
980 struct dt_object *parent,
981 struct dt_object **child,
982 const struct dt_index_features *ft,
983 const char *name, bool reset);
984 int lfsck_load_sub_trace_files(const struct lu_env *env,
985 struct lfsck_component *com,
986 const struct dt_index_features *ft,
987 const char *prefix, bool reset);
990 int lfsck_unpack_ent(struct lu_dirent *ent, __u64 *cookie, __u16 *type);
991 void lfsck_close_dir(const struct lu_env *env,
992 struct lfsck_instance *lfsck, int result);
993 int lfsck_open_dir(const struct lu_env *env,
994 struct lfsck_instance *lfsck, __u64 cookie);
995 int lfsck_master_engine(void *args);
996 int lfsck_assistant_engine(void *args);
998 /* lfsck_bookmark.c */
999 void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des,
1000 struct lfsck_bookmark *src);
1001 int lfsck_bookmark_store(const struct lu_env *env,
1002 struct lfsck_instance *lfsck);
1003 int lfsck_bookmark_setup(const struct lu_env *env,
1004 struct lfsck_instance *lfsck);
1005 int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck,
1006 struct lfsck_start *start, bool reset);
1008 /* lfsck_namespace.c */
1009 int lfsck_namespace_trace_update(const struct lu_env *env,
1010 struct lfsck_component *com,
1011 const struct lu_fid *fid,
1012 const __u8 flags, bool add);
1013 int lfsck_namespace_check_exist(const struct lu_env *env,
1014 struct dt_object *dir,
1015 struct dt_object *obj, const char *name);
1016 int __lfsck_links_read(const struct lu_env *env, struct dt_object *obj,
1017 struct linkea_data *ldata, bool with_rec);
1018 int lfsck_namespace_rebuild_linkea(const struct lu_env *env,
1019 struct lfsck_component *com,
1020 struct dt_object *obj,
1021 struct linkea_data *ldata);
1022 int lfsck_namespace_repair_dangling(const struct lu_env *env,
1023 struct lfsck_component *com,
1024 struct dt_object *parent,
1025 struct dt_object *child,
1026 struct lfsck_namespace_req *lnr);
1027 int lfsck_namespace_repair_dirent(const struct lu_env *env,
1028 struct lfsck_component *com,
1029 struct dt_object *parent,
1030 struct dt_object *child,
1031 const char *name, const char *name2,
1032 __u16 type, bool update, bool dec);
1033 int lfsck_verify_linkea(const struct lu_env *env, struct dt_object *obj,
1034 const struct lu_name *cname, const struct lu_fid *pfid);
1035 int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj,
1036 char *name, struct lu_fid *pfid);
1037 int lfsck_update_name_entry(const struct lu_env *env,
1038 struct lfsck_instance *lfsck,
1039 struct dt_object *dir, const char *name,
1040 const struct lu_fid *fid, __u32 type);
1041 int lfsck_namespace_setup(const struct lu_env *env,
1042 struct lfsck_instance *lfsck);
1044 /* lfsck_striped_dir.c */
1045 void lfsck_lmv_put(const struct lu_env *env, struct lfsck_lmv *llmv);
1046 int lfsck_read_stripe_lmv(const struct lu_env *env, struct dt_object *obj,
1047 struct lmv_mds_md_v1 *lmv);
1048 int lfsck_shard_name_to_index(const struct lu_env *env, const char *name,
1049 int namelen, __u16 type,
1050 const struct lu_fid *fid);
1051 bool lfsck_is_valid_slave_name_entry(const struct lu_env *env,
1052 struct lfsck_lmv *llmv,
1053 const char *name, int namelen);
1054 int lfsck_namespace_check_name(const struct lu_env *env,
1055 struct dt_object *parent,
1056 struct dt_object *child,
1057 const struct lu_name *cname);
1058 int lfsck_namespace_update_lmv(const struct lu_env *env,
1059 struct lfsck_component *com,
1060 struct dt_object *obj,
1061 struct lmv_mds_md_v1 *lmv, bool locked);
1062 int lfsck_namespace_verify_stripe_slave(const struct lu_env *env,
1063 struct lfsck_component *com,
1064 struct dt_object *obj,
1065 struct lfsck_lmv *llmv);
1066 int lfsck_namespace_scan_shard(const struct lu_env *env,
1067 struct lfsck_component *com,
1068 struct dt_object *child);
1069 int lfsck_namespace_notify_lmv_master_local(const struct lu_env *env,
1070 struct lfsck_component *com,
1071 struct dt_object *obj);
1072 int lfsck_namespace_repair_bad_name_hash(const struct lu_env *env,
1073 struct lfsck_component *com,
1074 struct dt_object *shard,
1075 struct lfsck_lmv *llmv,
1077 int lfsck_namespace_striped_dir_rescan(const struct lu_env *env,
1078 struct lfsck_component *com,
1079 struct lfsck_namespace_req *lnr);
1080 int lfsck_namespace_handle_striped_master(const struct lu_env *env,
1081 struct lfsck_component *com,
1082 struct lfsck_namespace_req *lnr);
1084 /* lfsck_layout.c */
1085 int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck);
1087 extern const char dot[];
1088 extern const char dotdot[];
1089 extern const char *lfsck_flags_names[];
1090 extern const char *lfsck_param_names[];
1091 extern struct lu_context_key lfsck_thread_key;
1093 static inline bool name_is_dot_or_dotdot(const char *name, int namelen)
1095 return name[0] == '.' &&
1096 (namelen == 1 || (namelen == 2 && name[1] == '.'));
1099 static inline struct dt_device *lfsck_obj2dev(struct dt_object *obj)
1101 return container_of0(obj->do_lu.lo_dev, struct dt_device, dd_lu_dev);
1104 static inline struct lfsck_thread_info *
1105 lfsck_env_info(const struct lu_env *env)
1107 struct lfsck_thread_info *info;
1109 info = lu_context_key_get(&env->le_ctx, &lfsck_thread_key);
1110 LASSERT(info != NULL);
1114 static inline const struct lu_name *
1115 lfsck_name_get_const(const struct lu_env *env, const void *area, ssize_t len)
1117 struct lu_name *lname;
1119 lname = &lfsck_env_info(env)->lti_name_const;
1120 lname->ln_name = area;
1121 lname->ln_namelen = len;
1126 lfsck_buf_init(struct lu_buf *buf, void *area, ssize_t len)
1132 static inline struct lu_buf *
1133 lfsck_buf_get(const struct lu_env *env, void *area, ssize_t len)
1137 buf = &lfsck_env_info(env)->lti_buf;
1143 static inline const struct lu_buf *
1144 lfsck_buf_get_const(const struct lu_env *env, const void *area, ssize_t len)
1148 buf = &lfsck_env_info(env)->lti_buf;
1149 buf->lb_buf = (void *)area;
1154 static inline char *lfsck_lfsck2name(struct lfsck_instance *lfsck)
1156 return lfsck->li_bottom->dd_lu_dev.ld_obd->obd_name;
1159 static inline const struct lu_fid *lfsck_dto2fid(const struct dt_object *obj)
1161 return lu_object_fid(&obj->do_lu);
1164 static inline void lfsck_pos_set_zero(struct lfsck_position *pos)
1166 memset(pos, 0, sizeof(*pos));
1169 static inline int lfsck_pos_is_zero(const struct lfsck_position *pos)
1171 return pos->lp_oit_cookie == 0 && fid_is_zero(&pos->lp_dir_parent);
1174 static inline int lfsck_pos_is_eq(const struct lfsck_position *pos1,
1175 const struct lfsck_position *pos2)
1177 if (pos1->lp_oit_cookie < pos2->lp_oit_cookie)
1180 if (pos1->lp_oit_cookie > pos2->lp_oit_cookie)
1183 if (fid_is_zero(&pos1->lp_dir_parent) &&
1184 !fid_is_zero(&pos2->lp_dir_parent))
1187 if (!fid_is_zero(&pos1->lp_dir_parent) &&
1188 fid_is_zero(&pos2->lp_dir_parent))
1191 if (fid_is_zero(&pos1->lp_dir_parent) &&
1192 fid_is_zero(&pos2->lp_dir_parent))
1195 LASSERT(lu_fid_eq(&pos1->lp_dir_parent, &pos2->lp_dir_parent));
1197 if (pos1->lp_dir_cookie < pos2->lp_dir_cookie)
1200 if (pos1->lp_dir_cookie > pos2->lp_dir_cookie)
1206 static void inline lfsck_position_le_to_cpu(struct lfsck_position *des,
1207 struct lfsck_position *src)
1209 des->lp_oit_cookie = le64_to_cpu(src->lp_oit_cookie);
1210 fid_le_to_cpu(&des->lp_dir_parent, &src->lp_dir_parent);
1211 des->lp_dir_cookie = le64_to_cpu(src->lp_dir_cookie);
1214 static void inline lfsck_position_cpu_to_le(struct lfsck_position *des,
1215 struct lfsck_position *src)
1217 des->lp_oit_cookie = cpu_to_le64(src->lp_oit_cookie);
1218 fid_cpu_to_le(&des->lp_dir_parent, &src->lp_dir_parent);
1219 des->lp_dir_cookie = cpu_to_le64(src->lp_dir_cookie);
1222 static inline umode_t lfsck_object_type(const struct dt_object *obj)
1224 return lu_object_attr(&obj->do_lu);
1227 static inline int lfsck_is_dead_obj(const struct dt_object *obj)
1229 return lu_object_is_dying(obj->do_lu.lo_header);
1232 static inline struct dt_object *lfsck_object_get(struct dt_object *obj)
1234 lu_object_get(&obj->do_lu);
1238 static inline void lfsck_object_put(const struct lu_env *env,
1239 struct dt_object *obj)
1241 dt_object_put(env, obj);
1244 static inline struct seq_server_site
1245 *lfsck_dev_site(struct lfsck_instance *lfsck)
1247 return lu_site2seq(lfsck->li_bottom->dd_lu_dev.ld_site);
1250 static inline u32 lfsck_dev_idx(struct lfsck_instance *lfsck)
1252 return lfsck_dev_site(lfsck)->ss_node_id;
1255 static inline struct dt_object *
1256 lfsck_object_find_by_dev_new(const struct lu_env *env, struct dt_device *dev,
1257 const struct lu_fid *fid)
1259 struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf;
1261 conf->loc_flags = LOC_F_NEW;
1262 return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf));
1265 static inline struct dt_object *
1266 lfsck_object_find_by_dev(const struct lu_env *env, struct dt_device *dev,
1267 const struct lu_fid *fid)
1269 return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL));
1272 static inline struct dt_device *
1273 lfsck_find_dev_by_fid(const struct lu_env *env, struct lfsck_instance *lfsck,
1274 const struct lu_fid *fid)
1276 struct dt_device *dev;
1279 if (!lfsck->li_master)
1280 return lfsck->li_bottom;
1282 idx = lfsck_find_mdt_idx_by_fid(env, lfsck, fid);
1284 return ERR_PTR(idx);
1286 if (idx == lfsck_dev_idx(lfsck)) {
1287 dev = lfsck->li_bottom;
1289 struct lfsck_tgt_desc *ltd;
1291 ltd = lfsck_ltd2tgt(&lfsck->li_mdt_descs, idx);
1292 if (unlikely(ltd == NULL))
1293 return ERR_PTR(-ENODEV);
1301 static inline struct dt_object *
1302 lfsck_object_find_bottom(const struct lu_env *env, struct lfsck_instance *lfsck,
1303 const struct lu_fid *fid)
1305 struct dt_device *dev;
1307 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1309 return (struct dt_object *)dev;
1311 return lfsck_object_find_by_dev(env, dev, fid);
1314 static inline struct dt_object *
1315 lfsck_object_find_bottom_new(const struct lu_env *env,
1316 struct lfsck_instance *lfsck,
1317 const struct lu_fid *fid)
1319 struct dt_device *dev;
1321 dev = lfsck_find_dev_by_fid(env, lfsck, fid);
1323 return (struct dt_object *)dev;
1325 return lfsck_object_find_by_dev_new(env, dev, fid);
1328 static inline struct dt_object *
1329 lfsck_object_locate(struct dt_device *dev, struct dt_object *obj)
1331 if (lfsck_obj2dev(obj) == dev) {
1334 struct lu_object *lo;
1336 lo = lu_object_locate(obj->do_lu.lo_header,
1337 dev->dd_lu_dev.ld_type);
1338 if (unlikely(lo == NULL))
1339 return ERR_PTR(-ENOENT);
1345 static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds,
1348 struct lfsck_tgt_desc *ltd;
1350 ltd = lfsck_ltd2tgt(ltds, index);
1352 atomic_inc(<d->ltd_ref);
1357 static inline void lfsck_tgt_put(struct lfsck_tgt_desc *ltd)
1359 if (atomic_dec_and_test(<d->ltd_ref))
1363 static inline struct lfsck_component *
1364 lfsck_component_get(struct lfsck_component *com)
1366 atomic_inc(&com->lc_ref);
1371 static inline void lfsck_component_put(const struct lu_env *env,
1372 struct lfsck_component *com)
1374 if (atomic_dec_and_test(&com->lc_ref)) {
1375 struct lfsck_sub_trace_obj *lsto;
1378 for (i = 0, lsto = &com->lc_sub_trace_objs[0];
1379 i < LFSCK_STF_COUNT; i++, lsto++) {
1380 if (lsto->lsto_obj != NULL)
1381 lfsck_object_put(env, lsto->lsto_obj);
1384 if (com->lc_obj != NULL)
1385 lfsck_object_put(env, com->lc_obj);
1386 if (com->lc_file_ram != NULL)
1387 OBD_FREE(com->lc_file_ram, com->lc_file_size);
1388 if (com->lc_file_disk != NULL)
1389 OBD_FREE(com->lc_file_disk, com->lc_file_size);
1390 if (com->lc_data != NULL) {
1391 LASSERT(com->lc_ops->lfsck_data_release != NULL);
1393 com->lc_ops->lfsck_data_release(env, com);
1400 static inline struct lfsck_instance *
1401 lfsck_instance_get(struct lfsck_instance *lfsck)
1403 atomic_inc(&lfsck->li_ref);
1408 static inline void lfsck_instance_put(const struct lu_env *env,
1409 struct lfsck_instance *lfsck)
1411 if (atomic_dec_and_test(&lfsck->li_ref))
1412 lfsck_instance_cleanup(env, lfsck);
1415 static inline bool lfsck_phase2_next_ready(struct lfsck_assistant_data *lad)
1417 return list_empty(&lad->lad_mdt_phase1_list) &&
1418 (!list_empty(&lad->lad_ost_phase2_list) ||
1419 list_empty(&lad->lad_ost_phase1_list));
1422 static inline void lfsck_lad_set_bitmap(const struct lu_env *env,
1423 struct lfsck_component *com,
1426 struct lfsck_assistant_data *lad = com->lc_data;
1427 struct cfs_bitmap *bitmap = lad->lad_bitmap;
1429 LASSERT(com->lc_lfsck->li_master);
1430 LASSERT(bitmap != NULL);
1432 if (likely(bitmap->size > index)) {
1433 cfs_bitmap_set(bitmap, index);
1434 lad->lad_incomplete = 1;
1435 } else if (com->lc_type == LFSCK_TYPE_NAMESPACE) {
1436 struct lfsck_namespace *ns = com->lc_file_ram;
1438 ns->ln_flags |= LF_INCOMPLETE;
1442 static inline int lfsck_links_read(const struct lu_env *env,
1443 struct dt_object *obj,
1444 struct linkea_data *ldata)
1447 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
1450 return __lfsck_links_read(env, obj, ldata, false);
1453 /* Read linkEA for the given object, the linkEA should contain
1454 * at least one entry, otherwise, -ENODATA will be returned. */
1455 static inline int lfsck_links_read_with_rec(const struct lu_env *env,
1456 struct dt_object *obj,
1457 struct linkea_data *ldata)
1460 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
1463 return __lfsck_links_read(env, obj, ldata, true);
1466 static inline int lfsck_links_read2_with_rec(const struct lu_env *env,
1467 struct dt_object *obj,
1468 struct linkea_data *ldata)
1471 lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf2,
1474 return __lfsck_links_read(env, obj, ldata, true);
1477 static inline struct lfsck_lmv *lfsck_lmv_get(struct lfsck_lmv *llmv)
1480 atomic_inc(&llmv->ll_ref);
1485 static inline int lfsck_sub_trace_file_fid2idx(const struct lu_fid *fid)
1487 return fid->f_oid & (LFSCK_STF_COUNT - 1);
1490 static inline void lfsck_lmv_header_le_to_cpu(struct lmv_mds_md_v1 *dst,
1491 const struct lmv_mds_md_v1 *src)
1493 dst->lmv_magic = le32_to_cpu(src->lmv_magic);
1494 dst->lmv_stripe_count = le32_to_cpu(src->lmv_stripe_count);
1495 dst->lmv_master_mdt_index = le32_to_cpu(src->lmv_master_mdt_index);
1496 dst->lmv_hash_type = le32_to_cpu(src->lmv_hash_type);
1497 dst->lmv_layout_version = le32_to_cpu(src->lmv_layout_version);
1500 static inline void lfsck_lmv_header_cpu_to_le(struct lmv_mds_md_v1 *dst,
1501 const struct lmv_mds_md_v1 *src)
1503 dst->lmv_magic = cpu_to_le32(src->lmv_magic);
1504 dst->lmv_stripe_count = cpu_to_le32(src->lmv_stripe_count);
1505 dst->lmv_master_mdt_index = cpu_to_le32(src->lmv_master_mdt_index);
1506 dst->lmv_hash_type = cpu_to_le32(src->lmv_hash_type);
1507 dst->lmv_layout_version = cpu_to_le32(src->lmv_layout_version);
1510 static inline struct lfsck_assistant_object *
1511 lfsck_assistant_object_get(struct lfsck_assistant_object *lso)
1513 atomic_inc(&lso->lso_ref);
1519 lfsck_assistant_object_put(const struct lu_env *env,
1520 struct lfsck_assistant_object *lso)
1522 if (atomic_dec_and_test(&lso->lso_ref))
1525 #endif /* _LFSCK_INTERNAL_H */