X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Flfsck%2Flfsck_internal.h;h=430641c63572c3c57201cddbef2012fbf277fd20;hb=12e311012ae337276dc3e7da3e7ad8d85d11e764;hp=698fb5fa5c0f77fb9ce5e5f35090b54247dd6a80;hpb=eb2a52d636defc93c2e1e624889120300b2e534b;p=fs%2Flustre-release.git diff --git a/lustre/lfsck/lfsck_internal.h b/lustre/lfsck/lfsck_internal.h index 698fb5f..430641c 100644 --- a/lustre/lfsck/lfsck_internal.h +++ b/lustre/lfsck/lfsck_internal.h @@ -45,6 +45,7 @@ #include #include #include +#include #define HALF_SEC (HZ >> 1) #define LFSCK_CHECKPOINT_INTERVAL 60 @@ -101,8 +102,14 @@ struct lfsck_bookmark { /* For 64-bits aligned. */ __u16 lb_padding; + /* The FID for .lustre/lost+found/MDTxxxx */ + struct lu_fid lb_lpf_fid; + + /* The FID for the last MDT-object created by the LFSCK repairing. */ + struct lu_fid lb_last_fid; + /* For future using. */ - __u64 lb_reserved[6]; + __u64 lb_reserved[2]; }; struct lfsck_namespace { @@ -175,8 +182,11 @@ struct lfsck_namespace { /* The latest object has been processed (failed) during double scan. */ struct lu_fid ln_fid_latest_scanned_phase2; - /* For further using. 256-bytes aligned now. */ - __u64 ln_reserved[2]; + /* How many FID-in-dirent entries have been repaired. */ + __u64 ln_dirent_repaired; + + /* How many linkEA entries have been repaired. */ + __u64 ln_linkea_repaired; }; enum lfsck_layout_inconsistency_type { @@ -224,7 +234,8 @@ struct lfsck_layout { /* Position for the last LFSCK checkpoint. */ __u64 ll_pos_last_checkpoint; - /* Position for the first should be updated object. */ + /* Position for the first object to be fixed or + * failed to be checked in the phase1. */ __u64 ll_pos_first_inconsistent; /* How many objects have been checked. */ @@ -239,7 +250,7 @@ struct lfsck_layout { /* How many objects failed to be processed during double scan. */ __u64 ll_objs_failed_phase2; - /* kinds of inconsistency have been repaired. + /* kinds of inconsistency have been or to be repaired. * ll_objs_repaired[type - 1] is the count for the given @type. */ __u64 ll_objs_repaired[LLIT_MAX]; @@ -286,10 +297,14 @@ struct lfsck_operations { int result, bool init); + int (*lfsck_interpret)(const struct lu_env *env, + struct ptlrpc_request *req, + void *args, + int rc); + int (*lfsck_dump)(const struct lu_env *env, struct lfsck_component *com, - char *buf, - int len); + struct seq_file *m); int (*lfsck_double_scan)(const struct lu_env *env, struct lfsck_component *com); @@ -312,6 +327,10 @@ struct lfsck_operations { struct lfsck_tgt_descs *ltds, struct lfsck_tgt_desc *ltd, struct ptlrpc_request_set *set); + + int (*lfsck_join)(const struct lu_env *env, + struct lfsck_component *com, + struct lfsck_start_param *lsp); }; #define TGT_PTRS 256 /* number of pointers at 1st level */ @@ -352,7 +371,7 @@ struct lfsck_tgt_descs { struct list_head ltd_orphan; /* number of registered TGTs */ - int ltd_tgtnr; + __u32 ltd_tgtnr; }; #define LTD_TGT(ltd, index) \ @@ -364,10 +383,10 @@ struct lfsck_tgt_descs { struct lfsck_component { /* into lfsck_instance::li_list_(scan,double_scan,idle} */ - cfs_list_t lc_link; + struct list_head lc_link; /* into lfsck_instance::li_list_dir */ - cfs_list_t lc_link_dir; + struct list_head lc_link_dir; struct rw_semaphore lc_sem; atomic_t lc_ref; @@ -379,6 +398,7 @@ struct lfsck_component { void *lc_file_ram; void *lc_file_disk; void *lc_data; + struct lu_fid lc_fid_latest_scanned_phase2; /* The time for last checkpoint, jiffies */ cfs_time_t lc_time_last_checkpoint; @@ -403,21 +423,21 @@ struct lfsck_instance { spinlock_t li_lock; /* Link into the lfsck_instance_list. */ - cfs_list_t li_link; + struct list_head li_link; /* For the components in (first) scanning via otable-based iteration. */ - cfs_list_t li_list_scan; + struct list_head li_list_scan; /* For the components in scanning via directory traversal. Because * directory traversal cannot guarantee all the object be scanned, * so the component in the li_list_dir must be in li_list_scan. */ - cfs_list_t li_list_dir; + struct list_head li_list_dir; /* For the components in double scanning. */ - cfs_list_t li_list_double_scan; + struct list_head li_list_double_scan; /* For the components those are not scanning now. */ - cfs_list_t li_list_idle; + struct list_head li_list_idle; atomic_t li_ref; atomic_t li_double_scan_count; @@ -439,6 +459,8 @@ struct lfsck_instance { struct lu_fid li_local_root_fid; /* backend root "/" */ struct lu_fid li_global_root_fid; /* /ROOT */ struct dt_object *li_bookmark_obj; + struct dt_object *li_lpf_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; @@ -482,10 +504,14 @@ struct lfsck_instance { /* The status when the LFSCK stopped or paused. */ __u32 li_status; + /* The flags when the lFSCK stopped or paused. */ + __u32 li_flags; + unsigned int li_oit_over:1, /* oit is finished. */ li_drop_dryrun:1, /* Ever dryrun, not now. */ li_master:1, /* Master instance or not. */ - li_current_oit_processed:1; + li_current_oit_processed:1, + li_start_unplug:1; }; enum lfsck_linkea_flags { @@ -501,6 +527,8 @@ struct lfsck_async_interpret_args { struct lfsck_tgt_descs *laia_ltds; struct lfsck_tgt_desc *laia_ltd; struct lfsck_request *laia_lr; + int laia_result; + unsigned int laia_shared:1; }; struct lfsck_thread_args { @@ -510,13 +538,19 @@ struct lfsck_thread_args { struct lfsck_start_param *lta_lsp; }; +#define LFSCK_TMPBUF_LEN 64 + struct lfsck_thread_info { struct lu_name lti_name; struct lu_buf lti_buf; struct lu_buf lti_linkea_buf; + struct lu_buf lti_big_buf; struct lu_fid lti_fid; struct lu_fid lti_fid2; + struct lu_fid lti_fid3; 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; @@ -524,28 +558,46 @@ struct lfsck_thread_info { char lti_lma_old[LMA_OLD_SIZE]; }; struct dt_object_format lti_dof; - /* lti_ent and lti_key must be conjoint, - * then lti_ent::lde_name will be lti_key. */ - struct lu_dirent lti_ent; - char lti_key[NAME_MAX + 16]; + /* 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]; struct lfsck_request lti_lr; struct lfsck_async_interpret_args lti_laia; + struct lfsck_start lti_start; struct lfsck_stop lti_stop; + ldlm_policy_data_t lti_policy; + struct ldlm_res_id lti_resid; + union { + struct filter_fid_old lti_old_pfid; + struct filter_fid lti_new_pfid; + }; + struct dt_allocation_hint lti_hint; + struct lu_orphan_rec lti_rec; + struct lov_user_md lti_lum; + struct dt_insert_rec lti_dt_rec; }; /* lfsck_lib.c */ +int lfsck_fid_alloc(const struct lu_env *env, struct lfsck_instance *lfsck, + struct lu_fid *fid, bool locked); +int lfsck_create_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(char **buf, int *len, int bits, const char *names[], +int lfsck_bits_dump(struct seq_file *m, int bits, const char *names[], const char *prefix); -int lfsck_time_dump(char **buf, int *len, __u64 time, const char *prefix); -int lfsck_pos_dump(char **buf, int *len, struct lfsck_position *pos, +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); void lfsck_control_speed(struct lfsck_instance *lfsck); void lfsck_control_speed_by_self(struct lfsck_component *com); int lfsck_reset(const struct lu_env *env, struct lfsck_instance *lfsck, @@ -577,12 +629,19 @@ int lfsck_async_request(const struct lu_env *env, struct obd_export *exp, int lfsck_master_engine(void *args); /* lfsck_bookmark.c */ +void lfsck_bookmark_cpu_to_le(struct lfsck_bookmark *des, + struct lfsck_bookmark *src); int lfsck_bookmark_store(const struct lu_env *env, struct lfsck_instance *lfsck); int lfsck_bookmark_setup(const struct lu_env *env, struct lfsck_instance *lfsck); +int lfsck_set_param(const struct lu_env *env, struct lfsck_instance *lfsck, + struct lfsck_start *start, bool reset); /* lfsck_namespace.c */ +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_namespace_setup(const struct lu_env *env, struct lfsck_instance *lfsck); @@ -593,6 +652,11 @@ 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) +{ + return container_of0(obj->do_lu.lo_dev, struct dt_device, dd_lu_dev); +} + static inline struct lfsck_thread_info * lfsck_env_info(const struct lu_env *env) { @@ -736,6 +800,19 @@ static inline void lfsck_object_put(const struct lu_env *env, lu_object_put(env, &obj->do_lu); } +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; +} + static inline struct lfsck_tgt_desc *lfsck_tgt_get(struct lfsck_tgt_descs *ltds, __u32 index) { @@ -797,7 +874,7 @@ static inline void lfsck_instance_put(const struct lu_env *env, lfsck_instance_cleanup(env, lfsck); } -static inline mdsno_t lfsck_dev_idx(struct dt_device *dev) +static inline u32 lfsck_dev_idx(struct dt_device *dev) { return dev->dd_lu_dev.ld_site->ld_seq_site->ss_node_id; }