X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Flfsck%2Flfsck_internal.h;h=42dfea6cb0628d5f7c4eff02a4c2a1e6bcc499fa;hp=1ce764e0d26f74713b179510c3e2ed4e92c9cab1;hb=cffd726304667ea3d84b4b3c1a9b66565e5a5566;hpb=ad6dd123cc475e8babcc1b8698fc4d1963841832 diff --git a/lustre/lfsck/lfsck_internal.h b/lustre/lfsck/lfsck_internal.h index 1ce764e..42dfea6 100644 --- a/lustre/lfsck/lfsck_internal.h +++ b/lustre/lfsck/lfsck_internal.h @@ -20,7 +20,7 @@ * GPL HEADER END */ /* - * Copyright (c) 2013, Intel Corporation. + * Copyright (c) 2013, 2016, Intel Corporation. */ /* * lustre/lfsck/lfsck_internal.h @@ -47,7 +47,7 @@ #include #include -#define HALF_SEC (HZ >> 1) +#define HALF_SEC msecs_to_jiffies(MSEC_PER_SEC >> 1) #define LFSCK_CHECKPOINT_INTERVAL 60 enum lfsck_flags { @@ -111,8 +111,9 @@ struct lfsck_bookmark { enum lfsck_namespace_trace_flags { LNTF_CHECK_LINKEA = 0x01, LNTF_CHECK_PARENT = 0x02, - LNTF_SKIP_NLINK = 0x04, LNTF_CHECK_ORPHAN = 0x08, + LNTF_UNCERTAIN_LMV = 0x10, + LNTF_RECHECK_NAME_HASH = 0x20, LNTF_ALL = 0xff }; @@ -234,13 +235,52 @@ struct lfsck_namespace { /* How many objects under /lost+found failed to be processed. */ __u64 ln_local_lpf_failed; + /* How many striped directories (master) have been scanned. */ + __u64 ln_striped_dirs_scanned; + + /* How many striped directories (master) have been repaired. */ + __u64 ln_striped_dirs_repaired; + + /* How many striped directories (master) failed verification. */ + __u64 ln_striped_dirs_failed; + + /* How many striped directories (master) has been disabled. */ + __u64 ln_striped_dirs_disabled; + + /* How many striped directory's (master) have been skipped + * (for shards verification) because of lost master LMV EA. */ + __u64 ln_striped_dirs_skipped; + + /* How many striped directory's shards (slave) have been scanned. */ + __u64 ln_striped_shards_scanned; + + /* How many striped directory's shards (slave) have been repaired. */ + __u64 ln_striped_shards_repaired; + + /* How many striped directory's shards (slave) failed verification. */ + __u64 ln_striped_shards_failed; + + /* How many striped directory's shards (slave) have been skipped + * (for name hash verification) because do not know whether the slave + * LMV EA is valid or not. */ + __u64 ln_striped_shards_skipped; + + /* How many name entries under striped directory with bad name + * hash have been repaired. */ + __u64 ln_name_hash_repaired; + /* The size of MDT targets bitmap with nbits. Such bitmap records * the MDTs that contain non-verified MDT-objects. */ __u32 ln_bitmap_size; - __u32 ln_reserved_1; + /* Time for the latest LFSCK scan in seconds from the beginning. */ + __u32 ln_time_latest_reset; + + /* How many linkEA overflow timestamp have been cleared. */ + __u64 ln_linkea_overflow_cleared; + /* For further using. 256-bytes aligned now. */ - __u64 ln_reserved[25]; + __u64 ln_reserved[14]; }; enum lfsck_layout_inconsistency_type { @@ -317,13 +357,26 @@ struct lfsck_layout { /* For further using. 256-bytes aligned now. */ __u32 ll_reserved_1; - __u64 ll_reserved_2[11]; + + /* The latest object has been processed (failed) during double scan. */ + struct lu_fid ll_fid_latest_scanned_phase2; + + __u64 ll_reserved_2[9]; /* The OST targets bitmap to record the OSTs that contain * non-verified OST-objects. */ __u8 ll_ost_bitmap[0]; }; +struct lfsck_assistant_object { + struct lu_fid lso_fid; + __u64 lso_oit_cookie; + struct lu_attr lso_attr; + atomic_t lso_ref; + unsigned int lso_dead:1, + lso_is_dir:1; +}; + struct lfsck_component; struct lfsck_tgt_descs; struct lfsck_tgt_desc; @@ -337,6 +390,12 @@ struct lfsck_operations { struct lfsck_component *com, bool new_checked); + void (*lfsck_close_dir)(const struct lu_env *env, + struct lfsck_component *com); + + int (*lfsck_open_dir)(const struct lu_env *env, + struct lfsck_component *com); + int (*lfsck_checkpoint)(const struct lu_env *env, struct lfsck_component *com, bool init); @@ -351,6 +410,7 @@ struct lfsck_operations { int (*lfsck_exec_dir)(const struct lu_env *env, struct lfsck_component *com, + struct lfsck_assistant_object *lso, struct lu_dirent *ent, __u16 type); @@ -359,9 +419,9 @@ struct lfsck_operations { int result, bool init); - int (*lfsck_dump)(const struct lu_env *env, - struct lfsck_component *com, - struct seq_file *m); + void (*lfsck_dump)(const struct lu_env *env, + struct lfsck_component *com, + struct seq_file *m); int (*lfsck_double_scan)(const struct lu_env *env, struct lfsck_component *com); @@ -378,7 +438,10 @@ struct lfsck_operations { struct thandle *th); int (*lfsck_query)(const struct lu_env *env, - struct lfsck_component *com); + struct lfsck_component *com, + struct lfsck_request *req, + struct lfsck_reply *rep, + struct lfsck_query *que, int idx); int (*lfsck_join)(const struct lu_env *env, struct lfsck_component *com, @@ -397,6 +460,10 @@ struct lfsck_tgt_desc { struct list_head ltd_layout_phase_list; struct list_head ltd_namespace_list; struct list_head ltd_namespace_phase_list; + __u32 ltd_layout_status; + __u32 ltd_namespace_status; + __u64 ltd_layout_repaired; + __u64 ltd_namespace_repaired; atomic_t ltd_ref; __u32 ltd_index; __u32 ltd_layout_gen; @@ -404,7 +471,7 @@ struct lfsck_tgt_desc { unsigned int ltd_dead:1, ltd_layout_done:1, ltd_namespace_done:1, - ltd_namespace_failed:1; + ltd_synced_failures:1; }; struct lfsck_tgt_desc_idx { @@ -416,7 +483,7 @@ struct lfsck_tgt_descs { struct lfsck_tgt_desc_idx *ltd_tgts_idx[TGT_PTRS]; /* bitmap of TGTs available */ - cfs_bitmap_t *ltd_tgts_bitmap; + struct cfs_bitmap *ltd_tgts_bitmap; /* for lfsck_tgt_desc::ltd_xxx_list */ spinlock_t ltd_lock; @@ -431,12 +498,39 @@ struct lfsck_tgt_descs { __u32 ltd_tgtnr; }; -#define LTD_TGT(ltd, index) \ - ((ltd)->ltd_tgts_idx[(index) / TGT_PTRS_PER_BLOCK]->\ - ldi_tgts[(index) % TGT_PTRS_PER_BLOCK]) +static inline struct lfsck_tgt_desc * +lfsck_ltd2tgt(struct lfsck_tgt_descs *ltd, __u32 index) +{ + __u32 idx1 = index / TGT_PTRS_PER_BLOCK; + __u32 idx2 = index % TGT_PTRS_PER_BLOCK; + struct lfsck_tgt_desc *__tgt = NULL; + + if (unlikely(idx1 >= TGT_PTRS)) + CDEBUG(D_LFSCK, "The target idx %u is invalid.\n", index); + else if (likely(ltd->ltd_tgts_idx[idx1] != NULL)) + __tgt = ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2]; + + return __tgt; +} + +static inline void lfsck_assign_tgt(struct lfsck_tgt_descs *ltd, + struct lfsck_tgt_desc *tgt, __u32 index) +{ + __u32 idx1 = index / TGT_PTRS_PER_BLOCK; + __u32 idx2 = index % TGT_PTRS_PER_BLOCK; + + if (likely(idx1 < TGT_PTRS && ltd->ltd_tgts_idx[idx1] != NULL)) + ltd->ltd_tgts_idx[idx1]->ldi_tgts[idx2] = tgt; +} -#define OST_TGT(lfsck, index) LTD_TGT(&lfsck->li_ost_descs, index) -#define MDT_TGT(lfsck, index) LTD_TGT(&lfsck->li_mdt_descs, index) +#define LFSCK_STF_BITS 4 +/* If want to adjust the LFSCK_STF_COUNT, please change LFSCK_STF_BITS. */ +#define LFSCK_STF_COUNT (1 << LFSCK_STF_BITS) + +struct lfsck_sub_trace_obj { + struct dt_object *lsto_obj; + struct mutex lsto_mutex; +}; struct lfsck_component { /* into lfsck_instance::li_list_(scan,double_scan,idle} */ @@ -451,6 +545,7 @@ struct lfsck_component { struct lfsck_position lc_pos_start; struct lfsck_instance *lc_lfsck; struct dt_object *lc_obj; + struct lfsck_sub_trace_obj lc_sub_trace_objs[LFSCK_STF_COUNT]; struct lfsck_operations *lc_ops; void *lc_file_ram; void *lc_file_disk; @@ -474,6 +569,75 @@ struct lfsck_component { __u16 lc_type; }; +#define LFSCK_LMV_MAX_STRIPES LMV_MAX_STRIPE_COUNT +#define LFSCK_LMV_DEF_STRIPES 4 + +/* Warning: NOT change the lfsck_slave_lmv_flags members order, + * otherwise the lfsck_record_lmv() may be wrong. */ +enum lfsck_slave_lmv_flags { + LSLF_NONE = 0, + LSLF_BAD_INDEX2 = 1, + LSLF_NO_LMVEA = 2, + LSLF_DANGLING = 3, + LSLF_BAD_INDEX1 = 4, +}; + +/* When the namespace LFSCK scans a striped directory, it will record all + * the known shards' information in the structure "lfsck_slave_lmv_rec", + * including the shard's FID, index, slave LMV EA, and so on. Each shard + * will take one lfsck_slave_lmv_rec slot. After the 1st cycle scanning + * the striped directory, the LFSCK will get all the information about + * whether there are some inconsistency, and then it can repair them in + * the 2nd cycle scanning. */ +struct lfsck_slave_lmv_rec { + struct lu_fid lslr_fid; + __u32 lslr_stripe_count; + __u32 lslr_index; /* the index in name or in slave lmv */ + __u32 lslr_hash_type; + __u32 lslr_flags; +}; + +struct lfsck_lmv { + struct lmv_mds_md_v1 ll_lmv; + atomic_t ll_ref; + int ll_stripes_allocated; + int ll_stripes_filled; + int ll_exit_value; + __u32 ll_max_stripe_count; + __u32 ll_max_filled_off; + __u32 ll_hash_type; + unsigned int ll_lmv_master:1, + ll_lmv_slave:1, + ll_lmv_verified:1, + ll_lmv_updated:1, + ll_inline:1, + ll_failed:1, + ll_ignore:1; + struct lfsck_slave_lmv_rec *ll_lslr; /* may be vmalloc'd */ +}; + +/* If the namespace LFSCK finds that the master MDT-object of a striped + * directory lost its master LMV EA, it will re-generate the master LMV + * EA and notify the LFSCK instance on the MDT on which the striped dir + * master MDT-object resides to rescan the striped directory. To do that, + * the notify handler will insert a "lfsck_lmv_unit" structure into the + * lfsck::li_list_lmv. The LFSCK instance will scan such list from time + * to time to check whether needs to rescan some stirped directories. */ +struct lfsck_lmv_unit { + struct list_head llu_link; + struct lfsck_lmv llu_lmv; + struct dt_object *llu_obj; + struct lfsck_instance *llu_lfsck; +}; + +struct lfsck_rec_lmv_save { + struct lu_fid lrls_fid; + struct lmv_mds_md_v1 lrls_lmv; +}; + +/* Allow lfsck_record_lmv() to be called recursively at most three times. */ +#define LFSCK_REC_LMV_MAX_DEPTH 3 + struct lfsck_instance { struct mutex li_mutex; spinlock_t li_lock; @@ -495,6 +659,9 @@ struct lfsck_instance { /* For the components those are not scanning now. */ struct list_head li_list_idle; + /* For the lfsck_lmv_unit to be handled. */ + struct list_head li_list_lmv; + atomic_t li_ref; atomic_t li_double_scan_count; struct ptlrpc_thread li_thread; @@ -514,14 +681,18 @@ struct lfsck_instance { struct local_oid_storage *li_los; struct lu_fid li_local_root_fid; /* backend root "/" */ struct lu_fid li_global_root_fid; /* /ROOT */ + struct dt_object *li_lfsck_dir; struct dt_object *li_bookmark_obj; struct dt_object *li_lpf_obj; + struct dt_object *li_lpf_root_obj; struct lu_client_seq *li_seq; struct lfsck_bookmark li_bookmark_ram; struct lfsck_bookmark li_bookmark_disk; struct lfsck_position li_pos_current; struct lfsck_position li_pos_checkpoint; + struct lfsck_lmv *li_lmv; + /* Obj for otable-based iteration */ struct dt_object *li_obj_oit; @@ -569,6 +740,7 @@ struct lfsck_instance { li_master:1, /* Master instance or not. */ li_current_oit_processed:1, li_start_unplug:1; + struct lfsck_rec_lmv_save li_rec_lmv_save[LFSCK_REC_LMV_MAX_DEPTH]; }; struct lfsck_async_interpret_args { @@ -589,14 +761,14 @@ struct lfsck_thread_args { }; struct lfsck_assistant_req { - struct list_head lar_list; + struct list_head lar_list; + struct lfsck_assistant_object *lar_parent; }; struct lfsck_namespace_req { struct lfsck_assistant_req lnr_lar; - struct dt_object *lnr_obj; + struct lfsck_lmv *lnr_lmv; struct lu_fid lnr_fid; - __u64 lnr_oit_cookie; __u64 lnr_dir_cookie; __u32 lnr_attr; __u32 lnr_size; @@ -605,6 +777,13 @@ struct lfsck_namespace_req { char lnr_name[0]; }; +struct lfsck_layout_req { + struct lfsck_assistant_req llr_lar; + struct dt_object *llr_child; + __u32 llr_ost_idx; + __u32 llr_lov_idx; /* offset in LOV EA */ +}; + struct lfsck_assistant_operations { int (*la_handler_p1)(const struct lu_env *env, struct lfsck_component *com, @@ -639,7 +818,7 @@ struct lfsck_assistant_data { /* list for the ost targets in phase1 scanning. */ struct list_head lad_ost_phase1_list; - /* list for the ost targets in phase1 scanning. */ + /* list for the ost targets in phase2 scanning. */ struct list_head lad_ost_phase2_list; /* list for the mdt targets involve LFSCK. */ @@ -648,15 +827,16 @@ struct lfsck_assistant_data { /* list for the mdt targets in phase1 scanning. */ struct list_head lad_mdt_phase1_list; - /* list for the mdt targets in phase1 scanning. */ + /* list for the mdt targets in phase2 scanning. */ struct list_head lad_mdt_phase2_list; const char *lad_name; struct ptlrpc_thread lad_thread; + struct task_struct *lad_task; struct lfsck_assistant_operations *lad_ops; - cfs_bitmap_t *lad_bitmap; + struct cfs_bitmap *lad_bitmap; __u32 lad_touch_gen; int lad_prefetched; @@ -667,10 +847,18 @@ struct lfsck_assistant_data { lad_in_double_scan:1, lad_exit:1, lad_incomplete:1; + bool lad_advance_lock; }; #define LFSCK_TMPBUF_LEN 64 +struct lfsck_lock_handle { + struct lustre_handle llh_pdo_lh; + struct lustre_handle llh_reg_lh; + enum ldlm_mode llh_pdo_mode; + enum ldlm_mode llh_reg_mode; +}; + struct lfsck_thread_info { struct lu_name lti_name_const; struct lu_name lti_name; @@ -683,10 +871,8 @@ struct lfsck_thread_info { struct lu_fid lti_fid2; struct lu_fid lti_fid3; struct lu_fid lti_fid4; - struct lu_fid lti_fid5; struct lu_attr lti_la; struct lu_attr lti_la2; - struct lu_attr lti_la3; struct ost_id lti_oi; union { struct lustre_mdt_attrs lti_lma; @@ -697,12 +883,14 @@ struct lfsck_thread_info { /* There will be '\0' at the end of the name. */ char lti_key[sizeof(struct lu_dirent) + NAME_MAX + 1]; char lti_tmpbuf[LFSCK_TMPBUF_LEN]; + char lti_tmpbuf2[LFSCK_TMPBUF_LEN]; struct lfsck_request lti_lr; struct lfsck_async_interpret_args lti_laia; struct lfsck_async_interpret_args lti_laia2; struct lfsck_start lti_start; struct lfsck_stop lti_stop; - ldlm_policy_data_t lti_policy; + union ldlm_policy_data lti_policy; + struct ldlm_enqueue_info lti_einfo; struct ldlm_res_id lti_resid; union { struct filter_fid_old lti_old_pfid; @@ -714,6 +902,11 @@ struct lfsck_thread_info { struct dt_insert_rec lti_dt_rec; struct lu_object_conf lti_conf; struct lu_seq_range lti_range; + struct lmv_mds_md_v1 lti_lmv; + struct lmv_mds_md_v1 lti_lmv2; + struct lmv_mds_md_v1 lti_lmv3; + struct lmv_mds_md_v1 lti_lmv4; + struct lfsck_lock_handle lti_llh; }; /* lfsck_lib.c */ @@ -721,27 +914,29 @@ int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck, struct lu_fid *fid, bool locked); int lfsck_ibits_lock(const struct lu_env *env, struct lfsck_instance *lfsck, struct dt_object *obj, struct lustre_handle *lh, - __u64 bits, ldlm_mode_t mode); -void lfsck_ibits_unlock(struct lustre_handle *lh, ldlm_mode_t mode); + __u64 bits, enum ldlm_mode mode); +void lfsck_ibits_unlock(struct lustre_handle *lh, enum ldlm_mode mode); +int lfsck_lock(const struct lu_env *env, struct lfsck_instance *lfsck, + struct dt_object *obj, const char *name, + struct lfsck_lock_handle *llh, __u64 bits, enum ldlm_mode mode); +void lfsck_unlock(struct lfsck_lock_handle *llh); int lfsck_find_mdt_idx_by_fid(const struct lu_env *env, struct lfsck_instance *lfsck, const struct lu_fid *fid); -int lfsck_create_lpf(const struct lu_env *env, struct lfsck_instance *lfsck); int lfsck_verify_lpf(const struct lu_env *env, struct lfsck_instance *lfsck); struct lfsck_instance *lfsck_instance_find(struct dt_device *key, bool ref, bool unlink); struct lfsck_component *lfsck_component_find(struct lfsck_instance *lfsck, __u16 type); -const char *lfsck_status2names(enum lfsck_status status); void lfsck_component_cleanup(const struct lu_env *env, struct lfsck_component *com); void lfsck_instance_cleanup(const struct lu_env *env, struct lfsck_instance *lfsck); -int lfsck_bits_dump(struct seq_file *m, int bits, const char *names[], +void lfsck_bits_dump(struct seq_file *m, int bits, const char *names[], + const char *prefix); +void lfsck_time_dump(struct seq_file *m, __u64 time, const char *name); +void lfsck_pos_dump(struct seq_file *m, struct lfsck_position *pos, const char *prefix); -int lfsck_time_dump(struct seq_file *m, __u64 time, const char *prefix); -int lfsck_pos_dump(struct seq_file *m, struct lfsck_position *pos, - const char *prefix); void lfsck_pos_fill(const struct lu_env *env, struct lfsck_instance *lfsck, struct lfsck_position *pos, bool init); bool __lfsck_set_speed(struct lfsck_instance *lfsck, __u32 limit); @@ -751,6 +946,14 @@ void lfsck_thread_args_fini(struct lfsck_thread_args *lta); struct lfsck_assistant_data * lfsck_assistant_data_init(struct lfsck_assistant_operations *lao, const char *name); +struct lfsck_assistant_object * +lfsck_assistant_object_init(const struct lu_env *env, const struct lu_fid *fid, + const struct lu_attr *attr, __u64 cookie, + bool is_dir); +struct dt_object * +lfsck_assistant_object_load(const struct lu_env *env, + struct lfsck_instance *lfsck, + struct lfsck_assistant_object *lso); int lfsck_async_interpret_common(const struct lu_env *env, struct ptlrpc_request *req, void *args, int rc); @@ -759,6 +962,7 @@ int lfsck_async_request(const struct lu_env *env, struct obd_export *exp, struct ptlrpc_request_set *set, ptlrpc_interpterer_t interpterer, void *args, int request); +int lfsck_query_all(const struct lu_env *env, struct lfsck_component *com); int lfsck_start_assistant(const struct lu_env *env, struct lfsck_component *com, struct lfsck_start_param *lsp); int lfsck_checkpoint_generic(const struct lu_env *env, @@ -769,9 +973,23 @@ int lfsck_double_scan_generic(const struct lu_env *env, struct lfsck_component *com, int status); void lfsck_quit_generic(const struct lu_env *env, struct lfsck_component *com); +int lfsck_load_one_trace_file(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *parent, + struct dt_object **child, + const struct dt_index_features *ft, + const char *name, bool reset); +int lfsck_load_sub_trace_files(const struct lu_env *env, + struct lfsck_component *com, + const struct dt_index_features *ft, + const char *prefix, bool reset); /* lfsck_engine.c */ int lfsck_unpack_ent(struct lu_dirent *ent, __u64 *cookie, __u16 *type); +void lfsck_close_dir(const struct lu_env *env, + struct lfsck_instance *lfsck, int result); +int lfsck_open_dir(const struct lu_env *env, + struct lfsck_instance *lfsck, __u64 cookie); int lfsck_master_engine(void *args); int lfsck_assistant_engine(void *args); @@ -790,14 +1008,18 @@ int lfsck_namespace_trace_update(const struct lu_env *env, struct lfsck_component *com, const struct lu_fid *fid, const __u8 flags, bool add); +int lfsck_namespace_check_exist(const struct lu_env *env, + struct dt_object *dir, + struct dt_object *obj, const char *name); int __lfsck_links_read(const struct lu_env *env, struct dt_object *obj, - struct linkea_data *ldata); + struct linkea_data *ldata, bool with_rec); int lfsck_namespace_rebuild_linkea(const struct lu_env *env, struct lfsck_component *com, struct dt_object *obj, struct linkea_data *ldata); int lfsck_namespace_repair_dangling(const struct lu_env *env, struct lfsck_component *com, + struct dt_object *parent, struct dt_object *child, struct lfsck_namespace_req *lnr); int lfsck_namespace_repair_dirent(const struct lu_env *env, @@ -806,22 +1028,57 @@ int lfsck_namespace_repair_dirent(const struct lu_env *env, struct dt_object *child, const char *name, const char *name2, __u16 type, bool update, bool dec); -int lfsck_verify_linkea(const struct lu_env *env, struct dt_device *dev, - struct dt_object *obj, const struct lu_name *cname, - const struct lu_fid *pfid); +int lfsck_verify_linkea(const struct lu_env *env, struct dt_object *obj, + const struct lu_name *cname, const struct lu_fid *pfid); int lfsck_links_get_first(const struct lu_env *env, struct dt_object *obj, char *name, struct lu_fid *pfid); -int lfsck_remove_name_entry(const struct lu_env *env, - struct lfsck_instance *lfsck, - struct dt_object *parent, - const char *name, __u32 type); int lfsck_update_name_entry(const struct lu_env *env, struct lfsck_instance *lfsck, - struct dt_object *parent, const char *name, - const struct lu_fid *pfid, __u32 type); + struct dt_object *dir, const char *name, + const struct lu_fid *fid, __u32 type); int lfsck_namespace_setup(const struct lu_env *env, struct lfsck_instance *lfsck); +/* lfsck_striped_dir.c */ +void lfsck_lmv_put(const struct lu_env *env, struct lfsck_lmv *llmv); +int lfsck_read_stripe_lmv(const struct lu_env *env, struct dt_object *obj, + struct lmv_mds_md_v1 *lmv); +int lfsck_shard_name_to_index(const struct lu_env *env, const char *name, + int namelen, __u16 type, + const struct lu_fid *fid); +bool lfsck_is_valid_slave_name_entry(const struct lu_env *env, + struct lfsck_lmv *llmv, + const char *name, int namelen); +int lfsck_namespace_check_name(const struct lu_env *env, + struct dt_object *parent, + struct dt_object *child, + const struct lu_name *cname); +int lfsck_namespace_update_lmv(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *obj, + struct lmv_mds_md_v1 *lmv, bool locked); +int lfsck_namespace_verify_stripe_slave(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *obj, + struct lfsck_lmv *llmv); +int lfsck_namespace_scan_shard(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *child); +int lfsck_namespace_notify_lmv_master_local(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *obj); +int lfsck_namespace_repair_bad_name_hash(const struct lu_env *env, + struct lfsck_component *com, + struct dt_object *shard, + struct lfsck_lmv *llmv, + const char *name); +int lfsck_namespace_striped_dir_rescan(const struct lu_env *env, + struct lfsck_component *com, + struct lfsck_namespace_req *lnr); +int lfsck_namespace_handle_striped_master(const struct lu_env *env, + struct lfsck_component *com, + struct lfsck_namespace_req *lnr); + /* lfsck_layout.c */ int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck); @@ -831,7 +1088,13 @@ extern const char *lfsck_flags_names[]; extern const char *lfsck_param_names[]; extern struct lu_context_key lfsck_thread_key; -static inline struct dt_device *lfsck_obj2dt_dev(struct dt_object *obj) +static inline bool name_is_dot_or_dotdot(const char *name, int namelen) +{ + return name[0] == '.' && + (namelen == 1 || (namelen == 2 && name[1] == '.')); +} + +static inline struct dt_device *lfsck_obj2dev(struct dt_object *obj) { return container_of0(obj->do_lu.lo_dev, struct dt_device, dd_lu_dev); } @@ -978,9 +1241,25 @@ static inline void lfsck_object_put(const struct lu_env *env, lu_object_put(env, &obj->do_lu); } -static inline u32 lfsck_dev_idx(struct dt_device *dev) +static inline struct seq_server_site +*lfsck_dev_site(struct lfsck_instance *lfsck) { - return dev->dd_lu_dev.ld_site->ld_seq_site->ss_node_id; + return lu_site2seq(lfsck->li_bottom->dd_lu_dev.ld_site); +} + +static inline u32 lfsck_dev_idx(struct lfsck_instance *lfsck) +{ + return lfsck_dev_site(lfsck)->ss_node_id; +} + +static inline struct dt_object * +lfsck_object_find_by_dev_new(const struct lu_env *env, struct dt_device *dev, + const struct lu_fid *fid) +{ + struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf; + + conf->loc_flags = LOC_F_NEW; + return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf)); } static inline struct dt_object * @@ -988,68 +1267,111 @@ lfsck_object_find_by_dev_nowait(const struct lu_env *env, struct dt_device *dev, const struct lu_fid *fid) { struct lu_object_conf *conf = &lfsck_env_info(env)->lti_conf; - struct dt_object *obj; conf->loc_flags = LOC_F_NOWAIT; - obj = lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf)); - if (unlikely(obj == NULL)) - return ERR_PTR(-ENOENT); - - return obj; + return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, conf)); } static inline struct dt_object * lfsck_object_find_by_dev(const struct lu_env *env, struct dt_device *dev, const struct lu_fid *fid) { - struct dt_object *obj; - - obj = lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL)); - if (unlikely(obj == NULL)) - return ERR_PTR(-ENOENT); - - return obj; + return lu2dt(lu_object_find_slice(env, dt2lu_dev(dev), fid, NULL)); } -static inline struct dt_object *lfsck_object_find(const struct lu_env *env, - struct lfsck_instance *lfsck, - const struct lu_fid *fid) -{ - return lfsck_object_find_by_dev(env, lfsck->li_next, fid); -} - -static inline struct dt_object * -lfsck_object_find_bottom(const struct lu_env *env, struct lfsck_instance *lfsck, - const struct lu_fid *fid) +static inline struct dt_device * +lfsck_find_dev_by_fid(const struct lu_env *env, struct lfsck_instance *lfsck, + const struct lu_fid *fid) { struct dt_device *dev; int idx; + if (!lfsck->li_master) + return lfsck->li_bottom; + idx = lfsck_find_mdt_idx_by_fid(env, lfsck, fid); if (idx < 0) return ERR_PTR(idx); - if (idx == lfsck_dev_idx(lfsck->li_bottom)) { + if (idx == lfsck_dev_idx(lfsck)) { dev = lfsck->li_bottom; } else { struct lfsck_tgt_desc *ltd; - ltd = LTD_TGT(&lfsck->li_mdt_descs, idx); + ltd = lfsck_ltd2tgt(&lfsck->li_mdt_descs, idx); if (unlikely(ltd == NULL)) return ERR_PTR(-ENODEV); dev = ltd->ltd_tgt; } + return dev; +} + +static inline struct dt_object * +lfsck_object_find_bottom(const struct lu_env *env, struct lfsck_instance *lfsck, + const struct lu_fid *fid) +{ + struct dt_device *dev; + + dev = lfsck_find_dev_by_fid(env, lfsck, fid); + if (IS_ERR(dev)) + return (struct dt_object *)dev; + return lfsck_object_find_by_dev(env, dev, fid); } +static inline struct dt_object * +lfsck_object_find_bottom_nowait(const struct lu_env *env, + struct lfsck_instance *lfsck, + const struct lu_fid *fid) +{ + struct dt_device *dev; + + dev = lfsck_find_dev_by_fid(env, lfsck, fid); + if (IS_ERR(dev)) + return (struct dt_object *)dev; + + return lfsck_object_find_by_dev_nowait(env, dev, fid); +} + +static inline struct dt_object * +lfsck_object_find_bottom_new(const struct lu_env *env, + struct lfsck_instance *lfsck, + const struct lu_fid *fid) +{ + struct dt_device *dev; + + dev = lfsck_find_dev_by_fid(env, lfsck, fid); + if (IS_ERR(dev)) + return (struct dt_object *)dev; + + return lfsck_object_find_by_dev_new(env, dev, fid); +} + +static inline struct dt_object * +lfsck_object_locate(struct dt_device *dev, struct dt_object *obj) +{ + if (lfsck_obj2dev(obj) == dev) { + return obj; + } else { + struct lu_object *lo; + + lo = lu_object_locate(obj->do_lu.lo_header, + dev->dd_lu_dev.ld_type); + if (unlikely(lo == NULL)) + return ERR_PTR(-ENOENT); + + return lu2dt(lo); + } +} + static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds, __u32 index) { struct lfsck_tgt_desc *ltd; - ltd = LTD_TGT(ltds, index); + ltd = lfsck_ltd2tgt(ltds, index); if (ltd != NULL) atomic_inc(<d->ltd_ref); @@ -1074,8 +1396,17 @@ static inline void lfsck_component_put(const struct lu_env *env, struct lfsck_component *com) { if (atomic_dec_and_test(&com->lc_ref)) { + struct lfsck_sub_trace_obj *lsto; + int i; + + for (i = 0, lsto = &com->lc_sub_trace_objs[0]; + i < LFSCK_STF_COUNT; i++, lsto++) { + if (lsto->lsto_obj != NULL) + lfsck_object_put(env, lsto->lsto_obj); + } + if (com->lc_obj != NULL) - lu_object_put_nocache(env, &com->lc_obj->do_lu); + lfsck_object_put(env, com->lc_obj); if (com->lc_file_ram != NULL) OBD_FREE(com->lc_file_ram, com->lc_file_size); if (com->lc_file_disk != NULL) @@ -1117,7 +1448,7 @@ static inline void lfsck_lad_set_bitmap(const struct lu_env *env, __u32 index) { struct lfsck_assistant_data *lad = com->lc_data; - cfs_bitmap_t *bitmap = lad->lad_bitmap; + struct cfs_bitmap *bitmap = lad->lad_bitmap; LASSERT(com->lc_lfsck->li_master); LASSERT(bitmap != NULL); @@ -1138,20 +1469,81 @@ static inline int lfsck_links_read(const struct lu_env *env, { ldata->ld_buf = lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf, - PAGE_CACHE_SIZE); + MAX_LINKEA_SIZE); - return __lfsck_links_read(env, obj, ldata); + return __lfsck_links_read(env, obj, ldata, false); } -static inline int lfsck_links_read2(const struct lu_env *env, - struct dt_object *obj, - struct linkea_data *ldata) +/* Read linkEA for the given object, the linkEA should contain + * at least one entry, otherwise, -ENODATA will be returned. */ +static inline int lfsck_links_read_with_rec(const struct lu_env *env, + struct dt_object *obj, + struct linkea_data *ldata) +{ + ldata->ld_buf = + lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf, + MAX_LINKEA_SIZE); + + return __lfsck_links_read(env, obj, ldata, true); +} + +static inline int lfsck_links_read2_with_rec(const struct lu_env *env, + struct dt_object *obj, + struct linkea_data *ldata) { ldata->ld_buf = lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf2, - PAGE_CACHE_SIZE); + MAX_LINKEA_SIZE); + + return __lfsck_links_read(env, obj, ldata, true); +} - return __lfsck_links_read(env, obj, ldata); +static inline struct lfsck_lmv *lfsck_lmv_get(struct lfsck_lmv *llmv) +{ + if (llmv != NULL) + atomic_inc(&llmv->ll_ref); + + return llmv; +} + +static inline int lfsck_sub_trace_file_fid2idx(const struct lu_fid *fid) +{ + return fid->f_oid & (LFSCK_STF_COUNT - 1); +} + +static inline void lfsck_lmv_header_le_to_cpu(struct lmv_mds_md_v1 *dst, + const struct lmv_mds_md_v1 *src) +{ + dst->lmv_magic = le32_to_cpu(src->lmv_magic); + dst->lmv_stripe_count = le32_to_cpu(src->lmv_stripe_count); + dst->lmv_master_mdt_index = le32_to_cpu(src->lmv_master_mdt_index); + dst->lmv_hash_type = le32_to_cpu(src->lmv_hash_type); + dst->lmv_layout_version = le32_to_cpu(src->lmv_layout_version); +} + +static inline void lfsck_lmv_header_cpu_to_le(struct lmv_mds_md_v1 *dst, + const struct lmv_mds_md_v1 *src) +{ + dst->lmv_magic = cpu_to_le32(src->lmv_magic); + dst->lmv_stripe_count = cpu_to_le32(src->lmv_stripe_count); + dst->lmv_master_mdt_index = cpu_to_le32(src->lmv_master_mdt_index); + dst->lmv_hash_type = cpu_to_le32(src->lmv_hash_type); + dst->lmv_layout_version = cpu_to_le32(src->lmv_layout_version); } +static inline struct lfsck_assistant_object * +lfsck_assistant_object_get(struct lfsck_assistant_object *lso) +{ + atomic_inc(&lso->lso_ref); + + return lso; +} + +static inline void +lfsck_assistant_object_put(const struct lu_env *env, + struct lfsck_assistant_object *lso) +{ + if (atomic_dec_and_test(&lso->lso_ref)) + OBD_FREE_PTR(lso); +} #endif /* _LFSCK_INTERNAL_H */