- struct dt_object *dt_obj;
- struct lu_fid fid;
- int rc;
- ENTRY;
-
- dt_obj = dt_store_open(env, dt, "", fld_index_name, &fid);
- if (!IS_ERR(dt_obj)) {
- fld->lsf_obj = dt_obj;
- rc = dt_obj->do_ops->do_index_try(env, dt_obj,
- &fld_index_features);
- if (rc == 0) {
- LASSERT(dt_obj->do_index_ops != NULL);
- rc = fld_insert_igif_fld(fld, env);
-
- if (rc != 0) {
- CERROR("insert igif in fld! = %d\n", rc);
- lu_object_put(env, &dt_obj->do_lu);
- fld->lsf_obj = NULL;
- }
- } else
- CERROR("%s: File \"%s\" is not an index!\n",
- fld->lsf_name, fld_index_name);
-
-
- } else {
- CERROR("%s: Can't find \"%s\" obj %d\n",
- fld->lsf_name, fld_index_name, (int)PTR_ERR(dt_obj));
- rc = PTR_ERR(dt_obj);
- }
+ struct dt_object *dt_obj = NULL;
+ struct lu_fid fid;
+ struct lu_attr *attr = NULL;
+ struct lu_seq_range *range = NULL;
+ struct fld_thread_info *info;
+ struct dt_object_format dof;
+ struct dt_it *it;
+ const struct dt_it_ops *iops;
+ int rc;
+ __u32 index;
+ int range_count = 0;
+ ENTRY;
+
+ info = lu_context_key_get(&env->le_ctx, &fld_thread_key);
+ LASSERT(info != NULL);
+
+ lu_local_obj_fid(&fid, FLD_INDEX_OID);
+ OBD_ALLOC_PTR(attr);
+ if (attr == NULL)
+ RETURN(-ENOMEM);
+
+ memset(attr, 0, sizeof(*attr));
+ attr->la_valid = LA_MODE;
+ attr->la_mode = S_IFREG | 0666;
+ dof.dof_type = DFT_INDEX;
+ dof.u.dof_idx.di_feat = &fld_index_features;
+
+ dt_obj = dt_locate(env, dt, &fid);
+ if (IS_ERR(dt_obj)) {
+ rc = PTR_ERR(dt_obj);
+ dt_obj = NULL;
+ GOTO(out, rc);
+ }
+
+ LASSERT(dt_obj != NULL);
+ if (!dt_object_exists(dt_obj)) {
+ dt_object_put(env, dt_obj);
+ dt_obj = dt_find_or_create(env, dt, &fid, &dof, attr);
+ fld->lsf_new = 1;
+ if (IS_ERR(dt_obj)) {
+ rc = PTR_ERR(dt_obj);
+ CERROR("%s: Can't find \"%s\" obj %d\n", fld->lsf_name,
+ fld_index_name, rc);
+ dt_obj = NULL;
+ GOTO(out, rc);
+ }
+ }
+
+ fld->lsf_obj = dt_obj;
+ rc = dt_obj->do_ops->do_index_try(env, dt_obj, &fld_index_features);
+ if (rc != 0) {
+ CERROR("%s: File \"%s\" is not an index: rc = %d!\n",
+ fld->lsf_name, fld_index_name, rc);
+ GOTO(out, rc);
+ }
+
+ range = &info->fti_rec;
+ /* Load fld entry to cache */
+ iops = &dt_obj->do_index_ops->dio_it;
+ it = iops->init(env, dt_obj, 0);
+ if (IS_ERR(it))
+ GOTO(out, rc = PTR_ERR(it));
+
+ rc = iops->load(env, it, 0);
+ if (rc > 0)
+ rc = 0;
+ else if (rc == 0)
+ rc = iops->next(env, it);
+
+ if (rc < 0)
+ GOTO(out_it_fini, rc);
+
+ while (rc == 0) {
+ rc = iops->rec(env, it, (struct dt_rec *)range, 0);
+ if (rc != 0)
+ GOTO(out_it_put, rc);
+
+ range_be_to_cpu(range, range);
+
+ /* Newly created ldiskfs IAM indexes may include a
+ * zeroed-out key and record. Ignore it here. */
+ if (range->lsr_start < range->lsr_end) {
+ rc = fld_cache_insert(fld->lsf_cache, range);
+ if (rc != 0)
+ GOTO(out_it_put, rc);
+
+ range_count++;
+ }
+
+ rc = iops->next(env, it);
+ if (rc < 0)
+ GOTO(out_it_fini, rc);
+ }
+
+ if (range_count == 0)
+ fld->lsf_new = 1;
+
+ rc = fld_name_to_index(fld->lsf_name, &index);
+ if (rc < 0)
+ GOTO(out_it_put, rc);
+ else
+ rc = 0;
+
+ if (index == 0 && type == LU_SEQ_RANGE_MDT) {
+ /* Note: fld_insert_entry will detect whether these
+ * special entries already exist inside FLDB */
+ mutex_lock(&fld->lsf_lock);
+ rc = fld_insert_special_entries(env, fld);
+ mutex_unlock(&fld->lsf_lock);
+ if (rc != 0) {
+ CERROR("%s: insert special entries failed!: rc = %d\n",
+ fld->lsf_name, rc);
+ GOTO(out_it_put, rc);
+ }
+ }
+out_it_put:
+ iops->put(env, it);
+out_it_fini:
+ iops->fini(env, it);
+out:
+ if (attr != NULL)
+ OBD_FREE_PTR(attr);
+
+ if (rc < 0) {
+ if (dt_obj != NULL)
+ dt_object_put(env, dt_obj);
+ fld->lsf_obj = NULL;
+ }
+ RETURN(rc);
+}