int mdd_orphan_declare_delete(const struct lu_env *env, struct mdd_object *obj, struct thandle *th) { struct mdd_device *mdd = mdo2mdd(&obj->mod_obj); struct dt_key *key; int rc; key = mdd_orphan_key_fill(env, mdo2fid(obj)); rc = dt_declare_delete(env, mdd->mdd_orphans, key, th); if (rc) return rc; if (!mdd_object_exists(obj)) return -ENOENT; rc = mdo_declare_ref_del(env, obj, th); if (rc) return rc; if (S_ISDIR(mdd_object_type(obj))) { rc = mdo_declare_ref_del(env, obj, th); if (rc) return rc; rc = dt_declare_ref_del(env, mdd->mdd_orphans, th); } return rc; }
/** * Lookup method for "fid" object. Only filenames with correct SEQ:OID format * are valid. We also check if object with passed fid exists or not. */ static int obf_lookup(const struct lu_env *env, struct md_object *p, const struct lu_name *lname, struct lu_fid *f, struct md_op_spec *spec) { char *name = (char *)lname->ln_name; struct mdd_device *mdd = mdo2mdd(p); struct mdd_object *child; int rc = 0; while (*name == '[') name++; sscanf(name, SFID, RFID(f)); if (!fid_is_sane(f)) { CWARN("%s: Trying to lookup invalid FID [%s] in %s/%s, FID " "format should be "DFID"\n", mdd2obd_dev(mdd)->obd_name, lname->ln_name, dot_lustre_name, mdd_obf_dir_name, (__u64)FID_SEQ_NORMAL, 1, 0); GOTO(out, rc = -EINVAL); } if (!fid_is_norm(f) && !fid_is_igif(f) && !fid_is_root(f) && !fid_seq_is_dot(f->f_seq)) { CWARN("%s: Trying to lookup invalid FID "DFID" in %s/%s, " "sequence should be >= "LPX64" or within ["LPX64"," ""LPX64"].\n", mdd2obd_dev(mdd)->obd_name, PFID(f), dot_lustre_name, mdd_obf_dir_name, (__u64)FID_SEQ_NORMAL, (__u64)FID_SEQ_IGIF, (__u64)FID_SEQ_IGIF_MAX); GOTO(out, rc = -EINVAL); } /* Check if object with this fid exists */ child = mdd_object_find(env, mdd, f); if (child == NULL) GOTO(out, rc = 0); if (IS_ERR(child)) GOTO(out, rc = PTR_ERR(child)); if (mdd_object_exists(child) == 0) rc = -ENOENT; mdd_object_put(env, child); out: return rc; }