* GPL HEADER END
*/
/*
- * Copyright (c) 2013, 2014, Intel Corporation.
+ * Copyright (c) 2013, 2016, Intel Corporation.
*/
/*
* lustre/lfsck/lfsck_internal.h
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,
* 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[15];
+ __u64 ln_reserved[14];
};
enum lfsck_layout_inconsistency_type {
/* 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;
int (*lfsck_exec_dir)(const struct lu_env *env,
struct lfsck_component *com,
+ struct lfsck_assistant_object *lso,
struct lu_dirent *ent,
__u16 type);
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);
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,
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;
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;
__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;
-#define OST_TGT(lfsck, index) LTD_TGT(&lfsck->li_ost_descs, index)
-#define MDT_TGT(lfsck, index) LTD_TGT(&lfsck->li_mdt_descs, index)
+ 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 LFSCK_STF_BITS 4
/* If want to adjust the LFSCK_STF_COUNT, please change LFSCK_STF_BITS. */
ll_inline:1,
ll_failed:1,
ll_ignore:1;
- struct lfsck_slave_lmv_rec *ll_lslr;
+ struct lfsck_slave_lmv_rec *ll_lslr; /* may be vmalloc'd */
};
/* If the namespace LFSCK finds that the master MDT-object of a striped
};
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;
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,
/* 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. */
/* 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;
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;
struct lu_fid lti_fid;
struct lu_fid lti_fid2;
struct lu_fid lti_fid3;
+ struct lu_fid lti_fid4;
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;
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 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 */
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);
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);
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);
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,
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);
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,
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_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);
(namelen == 1 || (namelen == 2 && name[1] == '.'));
}
-static inline struct dt_device *lfsck_obj2dt_dev(struct dt_object *obj)
+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);
}
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 lu_site2seq(lfsck->li_bottom->dd_lu_dev.ld_site);
+}
+
+static inline u32 lfsck_dev_idx(struct lfsck_instance *lfsck)
{
- return dev->dd_lu_dev.ld_site->ld_seq_site->ss_node_id;
+ 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 *
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_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);
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);
for (i = 0, lsto = &com->lc_sub_trace_objs[0];
i < LFSCK_STF_COUNT; i++, lsto++) {
if (lsto->lsto_obj != NULL)
- lu_object_put(env, &lsto->lsto_obj->do_lu);
+ 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)
__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);
{
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, false);
+}
+
+/* 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);
+ return __lfsck_links_read(env, obj, ldata, true);
}
-static inline int lfsck_links_read2(const struct lu_env *env,
- struct dt_object *obj,
- struct linkea_data *ldata)
+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);
+ return __lfsck_links_read(env, obj, ldata, true);
}
static inline struct lfsck_lmv *lfsck_lmv_get(struct lfsck_lmv *llmv)
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 */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff