+
+int out_read_pack(const struct lu_env *env, struct object_update *update,
+ size_t *max_update_size, const struct lu_fid *fid,
+ size_t size, loff_t pos)
+{
+ __u16 sizes[2] = {sizeof(size), sizeof(pos)};
+ const void *bufs[2] = {&size, &pos};
+
+ LASSERT(size > 0);
+ size = cpu_to_le64(size);
+ pos = cpu_to_le64(pos);
+
+ return out_update_pack(env, update, max_update_size, OUT_READ, fid,
+ ARRAY_SIZE(sizes), sizes, bufs, size);
+}
+EXPORT_SYMBOL(out_read_pack);
+
+static int tx_extend_args(struct thandle_exec_args *ta, int new_alloc_ta)
+{
+ struct tx_arg **new_ta;
+ int i;
+ int rc = 0;
+
+ if (ta->ta_alloc_args >= new_alloc_ta)
+ return 0;
+
+ OBD_ALLOC(new_ta, sizeof(*new_ta) * new_alloc_ta);
+ if (new_ta == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < new_alloc_ta; i++) {
+ if (i < ta->ta_alloc_args) {
+ /* copy the old args to new one */
+ new_ta[i] = ta->ta_args[i];
+ } else {
+ OBD_ALLOC_PTR(new_ta[i]);
+ if (new_ta[i] == NULL)
+ GOTO(out, rc = -ENOMEM);
+ }
+ }
+
+ /* free the old args */
+ if (ta->ta_args != NULL)
+ OBD_FREE(ta->ta_args, sizeof(ta->ta_args[0]) *
+ ta->ta_alloc_args);
+
+ ta->ta_args = new_ta;
+ ta->ta_alloc_args = new_alloc_ta;
+out:
+ if (rc != 0) {
+ for (i = 0; i < new_alloc_ta; i++) {
+ if (new_ta[i] != NULL)
+ OBD_FREE_PTR(new_ta[i]);
+ }
+ OBD_FREE(new_ta, sizeof(*new_ta) * new_alloc_ta);
+ }
+ return rc;
+}
+
+#define TX_ALLOC_STEP 8
+struct tx_arg *tx_add_exec(struct thandle_exec_args *ta,
+ tx_exec_func_t func, tx_exec_func_t undo,
+ const char *file, int line)
+{
+ int rc;
+ int i;
+
+ LASSERT(ta != NULL);
+ LASSERT(func != NULL);
+
+ if (ta->ta_argno + 1 >= ta->ta_alloc_args) {
+ rc = tx_extend_args(ta, ta->ta_alloc_args + TX_ALLOC_STEP);
+ if (rc != 0)
+ return ERR_PTR(rc);
+ }
+
+ i = ta->ta_argno;
+
+ ta->ta_argno++;
+
+ ta->ta_args[i]->exec_fn = func;
+ ta->ta_args[i]->undo_fn = undo;
+ ta->ta_args[i]->file = file;
+ ta->ta_args[i]->line = line;
+
+ return ta->ta_args[i];
+}
+
+static int out_obj_destroy(const struct lu_env *env, struct dt_object *dt_obj,
+ struct thandle *th)
+{
+ int rc;
+
+ CDEBUG(D_INFO, "%s: destroy "DFID"\n", dt_obd_name(th->th_dev),
+ PFID(lu_object_fid(&dt_obj->do_lu)));
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_destroy(env, dt_obj, th);
+ dt_write_unlock(env, dt_obj);
+
+ return rc;
+}
+
+/**
+ * All of the xxx_undo will be used once execution failed,
+ * But because all of the required resource has been reserved in
+ * declare phase, i.e. if declare succeed, it should make sure
+ * the following executing phase succeed in anyway, so these undo
+ * should be useless for most of the time in Phase I
+ */
+static int out_tx_create_undo(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ int rc;
+
+ rc = out_obj_destroy(env, arg->object, th);
+ if (rc != 0)
+ CERROR("%s: undo failure, we are doomed!: rc = %d\n",
+ dt_obd_name(th->th_dev), rc);
+ return rc;
+}
+
+int out_tx_create_exec(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ CDEBUG(D_OTHER, "%s: create "DFID": dof %u, mode %o\n",
+ dt_obd_name(th->th_dev),
+ PFID(lu_object_fid(&arg->object->do_lu)),
+ arg->u.create.dof.dof_type,
+ arg->u.create.attr.la_mode & S_IFMT);
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_create(env, dt_obj, &arg->u.create.attr,
+ &arg->u.create.hint, &arg->u.create.dof, th);
+
+ dt_write_unlock(env, dt_obj);
+
+ CDEBUG(D_INFO, "%s: insert create reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+
+ return rc;
+}
+
+/**
+ * Add create update to thandle
+ *
+ * Declare create updates and add the update to the thandle updates
+ * exec array.
+ *
+ * \param [in] env execution environment
+ * \param [in] obj object to be created
+ * \param [in] attr attributes of the creation
+ * \param [in] parent_fid the fid of the parent
+ * \param [in] dof dt object format of the creation
+ * \param [in] ta thandle execuation args where all of updates
+ * of the transaction are stored
+ * \param [in] th thandle for this update
+ * \param [in] reply reply of the updates
+ * \param [in] index index of the reply
+ * \param [in] file the file name where the function is called,
+ * which is only for debugging purpose.
+ * \param [in] line the line number where the funtion is called,
+ * which is only for debugging purpose.
+ *
+ * \retval 0 if updates is added successfully.
+ * \retval negative errno if update adding fails.
+ */
+int out_create_add_exec(const struct lu_env *env, struct dt_object *obj,
+ struct lu_attr *attr, struct lu_fid *parent_fid,
+ struct dt_object_format *dof,
+ struct thandle_exec_args *ta,
+ struct thandle *th,
+ struct object_update_reply *reply,
+ int index, const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ rc = dt_declare_create(env, obj, attr, NULL, dof, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_create_exec, out_tx_create_undo, file,
+ line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ /* release the object in out_trans_stop */
+ lu_object_get(&obj->do_lu);
+ arg->object = obj;
+ arg->u.create.attr = *attr;
+ if (parent_fid != NULL)
+ arg->u.create.fid = *parent_fid;
+ memset(&arg->u.create.hint, 0, sizeof(arg->u.create.hint));
+ arg->u.create.dof = *dof;
+ arg->reply = reply;
+ arg->index = index;
+
+ return 0;
+}
+
+static int out_tx_attr_set_undo(const struct lu_env *env,
+ struct thandle *th, struct tx_arg *arg)
+{
+ CERROR("%s: attr set undo "DFID" unimplemented yet!: rc = %d\n",
+ dt_obd_name(th->th_dev),
+ PFID(lu_object_fid(&arg->object->do_lu)), -ENOTSUPP);
+
+ return -ENOTSUPP;
+}
+
+static int out_tx_attr_set_exec(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ CDEBUG(D_OTHER, "%s: attr set "DFID"\n", dt_obd_name(th->th_dev),
+ PFID(lu_object_fid(&dt_obj->do_lu)));
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_attr_set(env, dt_obj, &arg->u.attr_set.attr, th);
+ dt_write_unlock(env, dt_obj);
+
+ CDEBUG(D_INFO, "%s: insert attr_set reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0,
+ arg->index, rc);
+
+ return rc;
+}
+
+int out_attr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
+ const struct lu_attr *attr,
+ struct thandle_exec_args *ta,
+ struct thandle *th, struct object_update_reply *reply,
+ int index, const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ rc = dt_declare_attr_set(env, dt_obj, attr, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_attr_set_exec, out_tx_attr_set_undo,
+ file, line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->u.attr_set.attr = *attr;
+ arg->reply = reply;
+ arg->index = index;
+ return 0;
+}
+
+static int out_tx_write_exec(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ CDEBUG(D_INFO, "write "DFID" pos "LPU64" buf %p, len %lu\n",
+ PFID(lu_object_fid(&dt_obj->do_lu)), arg->u.write.pos,
+ arg->u.write.buf.lb_buf, (unsigned long)arg->u.write.buf.lb_len);
+
+ if (OBD_FAIL_CHECK(OBD_FAIL_OUT_ENOSPC)) {
+ rc = -ENOSPC;
+ } else {
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_record_write(env, dt_obj, &arg->u.write.buf,
+ &arg->u.write.pos, th);
+ dt_write_unlock(env, dt_obj);
+
+ if (rc == 0)
+ rc = arg->u.write.buf.lb_len;
+ }
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+
+ return rc > 0 ? 0 : rc;
+}
+
+int out_write_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
+ const struct lu_buf *buf, loff_t pos,
+ struct thandle_exec_args *ta, struct thandle *th,
+ struct object_update_reply *reply, int index,
+ const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ rc = dt_declare_record_write(env, dt_obj, buf, pos, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_write_exec, NULL, file, line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->u.write.buf = *buf;
+ arg->u.write.pos = pos;
+ arg->reply = reply;
+ arg->index = index;
+ return 0;
+}
+
+static int out_tx_xattr_set_exec(const struct lu_env *env,
+ struct thandle *th,
+ struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ CDEBUG(D_INFO, "%s: set xattr buf %p name %s flag %d\n",
+ dt_obd_name(th->th_dev), arg->u.xattr_set.buf.lb_buf,
+ arg->u.xattr_set.name, arg->u.xattr_set.flags);
+
+ if (!lu_object_exists(&dt_obj->do_lu))
+ GOTO(out, rc = -ENOENT);
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_xattr_set(env, dt_obj, &arg->u.xattr_set.buf,
+ arg->u.xattr_set.name, arg->u.xattr_set.flags,
+ th);
+ /**
+ * Ignore errors if this is LINK EA
+ **/
+ if (unlikely(rc != 0 &&
+ strcmp(arg->u.xattr_set.name, XATTR_NAME_LINK) == 0)) {
+ /* XXX: If the linkEA is overflow, then we need to notify the
+ * namespace LFSCK to skip "nlink" attribute verification
+ * on this object to avoid the "nlink" to be shrinked by
+ * wrong. It may be not good an interaction with LFSCK
+ * like this. We will consider to replace it with other
+ * mechanism in future. LU-5802. */
+ if (rc == -ENOSPC && arg->reply != NULL) {
+ struct lfsck_request *lr = &tgt_th_info(env)->tti_lr;
+
+ lfsck_pack_rfa(lr, lu_object_fid(&dt_obj->do_lu),
+ LE_SKIP_NLINK, LFSCK_TYPE_NAMESPACE);
+ tgt_lfsck_in_notify(env,
+ tgt_ses_info(env)->tsi_tgt->lut_bottom, lr, th);
+ }
+
+ rc = 0;
+ }
+ dt_write_unlock(env, dt_obj);
+
+out:
+ CDEBUG(D_INFO, "%s: insert xattr set reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+
+ return rc;
+}
+
+int out_xattr_set_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
+ const struct lu_buf *buf, const char *name,
+ int flags, struct thandle_exec_args *ta,
+ struct thandle *th,
+ struct object_update_reply *reply,
+ int index, const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ rc = dt_declare_xattr_set(env, dt_obj, buf, name, flags, th);
+ if (rc != 0)
+ return rc;
+
+ if (strcmp(name, XATTR_NAME_LINK) == 0 && reply != NULL) {
+ struct lfsck_request *lr = &tgt_th_info(env)->tti_lr;
+
+ /* XXX: If the linkEA is overflow, then we need to notify the
+ * namespace LFSCK to skip "nlink" attribute verification
+ * on this object to avoid the "nlink" to be shrinked by
+ * wrong. It may be not good an interaction with LFSCK
+ * like this. We will consider to replace it with other
+ * mechanism in future. LU-5802. */
+ lfsck_pack_rfa(lr, lu_object_fid(&dt_obj->do_lu),
+ LE_SKIP_NLINK_DECLARE, LFSCK_TYPE_NAMESPACE);
+ rc = tgt_lfsck_in_notify(env,
+ tgt_ses_info(env)->tsi_tgt->lut_bottom,
+ lr, ta->ta_handle);
+ if (rc != 0)
+ return rc;
+ }
+
+ arg = tx_add_exec(ta, out_tx_xattr_set_exec, NULL, file, line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->u.xattr_set.name = name;
+ arg->u.xattr_set.flags = flags;
+ arg->u.xattr_set.buf = *buf;
+ arg->reply = reply;
+ arg->index = index;
+ arg->u.xattr_set.csum = 0;
+ return 0;
+}
+
+static int out_tx_xattr_del_exec(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ CDEBUG(D_INFO, "%s: del xattr name '%s' on "DFID"\n",
+ dt_obd_name(th->th_dev), arg->u.xattr_set.name,
+ PFID(lu_object_fid(&dt_obj->do_lu)));
+
+ if (!lu_object_exists(&dt_obj->do_lu))
+ GOTO(out, rc = -ENOENT);
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_xattr_del(env, dt_obj, arg->u.xattr_set.name,
+ th);
+ dt_write_unlock(env, dt_obj);
+out:
+ CDEBUG(D_INFO, "%s: insert xattr del reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+
+ return rc;
+}
+
+int out_xattr_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
+ const char *name, struct thandle_exec_args *ta,
+ struct thandle *th,
+ struct object_update_reply *reply, int index,
+ const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ rc = dt_declare_xattr_del(env, dt_obj, name, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_xattr_del_exec, NULL, file, line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->u.xattr_set.name = name;
+ arg->reply = reply;
+ arg->index = index;
+ return 0;
+}
+
+static int out_obj_ref_add(const struct lu_env *env,
+ struct dt_object *dt_obj,
+ struct thandle *th)
+{
+ int rc;
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_ref_add(env, dt_obj, th);
+ dt_write_unlock(env, dt_obj);
+
+ return rc;
+}
+
+static int out_obj_ref_del(const struct lu_env *env,
+ struct dt_object *dt_obj,
+ struct thandle *th)
+{
+ int rc;
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_ref_del(env, dt_obj, th);
+ dt_write_unlock(env, dt_obj);
+
+ return rc;
+}
+
+static int out_tx_ref_add_exec(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ rc = out_obj_ref_add(env, dt_obj, th);
+
+ CDEBUG(D_INFO, "%s: insert ref_add reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+ return rc;
+}
+
+static int out_tx_ref_add_undo(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ return out_obj_ref_del(env, arg->object, th);
+}
+
+int out_ref_add_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
+ struct thandle_exec_args *ta,
+ struct thandle *th,
+ struct object_update_reply *reply, int index,
+ const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ rc = dt_declare_ref_add(env, dt_obj, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_ref_add_exec, out_tx_ref_add_undo, file,
+ line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->reply = reply;
+ arg->index = index;
+ return 0;
+}
+
+static int out_tx_ref_del_exec(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ rc = out_obj_ref_del(env, dt_obj, th);
+
+ CDEBUG(D_INFO, "%s: insert ref_del reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, 0);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+
+ return rc;
+}
+
+static int out_tx_ref_del_undo(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ return out_obj_ref_add(env, arg->object, th);
+}
+
+int out_ref_del_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
+ struct thandle_exec_args *ta,
+ struct thandle *th,
+ struct object_update_reply *reply, int index,
+ const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ rc = dt_declare_ref_del(env, dt_obj, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_ref_del_exec, out_tx_ref_del_undo, file,
+ line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->reply = reply;
+ arg->index = index;
+ return 0;
+}
+
+static int out_obj_index_insert(const struct lu_env *env,
+ struct dt_object *dt_obj,
+ const struct dt_rec *rec,
+ const struct dt_key *key,
+ struct thandle *th)
+{
+ int rc;
+
+ CDEBUG(D_INFO, "%s: index insert "DFID" name: %s fid "DFID", type %u\n",
+ dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
+ (char *)key, PFID(((struct dt_insert_rec *)rec)->rec_fid),
+ ((struct dt_insert_rec *)rec)->rec_type);
+
+ if (dt_try_as_dir(env, dt_obj) == 0)
+ return -ENOTDIR;
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_insert(env, dt_obj, rec, key, th, 0);
+ dt_write_unlock(env, dt_obj);
+
+ return rc;
+}
+
+static int out_obj_index_delete(const struct lu_env *env,
+ struct dt_object *dt_obj,
+ const struct dt_key *key,
+ struct thandle *th)
+{
+ int rc;
+
+ CDEBUG(D_INFO, "%s: index delete "DFID" name: %s\n",
+ dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
+ (char *)key);
+
+ if (dt_try_as_dir(env, dt_obj) == 0)
+ return -ENOTDIR;
+
+ dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
+ rc = dt_delete(env, dt_obj, key, th);
+ dt_write_unlock(env, dt_obj);
+
+ return rc;
+}
+
+static int out_tx_index_insert_exec(const struct lu_env *env,
+ struct thandle *th, struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ if (unlikely(!dt_object_exists(dt_obj)))
+ RETURN(-ESTALE);
+
+ rc = out_obj_index_insert(env, dt_obj,
+ (const struct dt_rec *)&arg->u.insert.rec,
+ arg->u.insert.key, th);
+
+ CDEBUG(D_INFO, "%s: insert idx insert reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+ return rc;
+}
+
+static int out_tx_index_insert_undo(const struct lu_env *env,
+ struct thandle *th, struct tx_arg *arg)
+{
+ return out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
+}
+
+int out_index_insert_add_exec(const struct lu_env *env,
+ struct dt_object *dt_obj,
+ const struct dt_rec *rec,
+ const struct dt_key *key,
+ struct thandle_exec_args *ta,
+ struct thandle *th,
+ struct object_update_reply *reply,
+ int index, const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ if (dt_try_as_dir(env, dt_obj) == 0) {
+ rc = -ENOTDIR;
+ return rc;
+ }
+
+ rc = dt_declare_insert(env, dt_obj, rec, key, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_index_insert_exec,
+ out_tx_index_insert_undo, file, line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->reply = reply;
+ arg->index = index;
+ arg->u.insert.rec = *(const struct dt_insert_rec *)rec;
+ arg->u.insert.key = key;
+
+ return 0;
+}
+
+static int out_tx_index_delete_exec(const struct lu_env *env,
+ struct thandle *th,
+ struct tx_arg *arg)
+{
+ int rc;
+
+ rc = out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
+
+ CDEBUG(D_INFO, "%s: delete idx insert reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+
+ return rc;
+}
+
+static int out_tx_index_delete_undo(const struct lu_env *env,
+ struct thandle *th,
+ struct tx_arg *arg)
+{
+ CERROR("%s: Oops, can not rollback index_delete yet: rc = %d\n",
+ dt_obd_name(th->th_dev), -ENOTSUPP);
+ return -ENOTSUPP;
+}
+
+int out_index_delete_add_exec(const struct lu_env *env,
+ struct dt_object *dt_obj,
+ const struct dt_key *key,
+ struct thandle_exec_args *ta,
+ struct thandle *th,
+ struct object_update_reply *reply,
+ int index, const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ if (dt_try_as_dir(env, dt_obj) == 0) {
+ rc = -ENOTDIR;
+ return rc;
+ }
+
+ LASSERT(ta->ta_handle != NULL);
+ rc = dt_declare_delete(env, dt_obj, key, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_index_delete_exec,
+ out_tx_index_delete_undo, file, line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->reply = reply;
+ arg->index = index;
+ arg->u.insert.key = key;
+ return 0;
+}
+
+static int out_tx_destroy_exec(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ struct dt_object *dt_obj = arg->object;
+ int rc;
+
+ rc = out_obj_destroy(env, dt_obj, th);
+
+ CDEBUG(D_INFO, "%s: insert destroy reply %p index %d: rc = %d\n",
+ dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
+
+ if (arg->reply != NULL)
+ object_update_result_insert(arg->reply, NULL, 0, arg->index,
+ rc);
+
+ RETURN(rc);
+}
+
+static int out_tx_destroy_undo(const struct lu_env *env, struct thandle *th,
+ struct tx_arg *arg)
+{
+ CERROR("%s: not support destroy undo yet!: rc = %d\n",
+ dt_obd_name(th->th_dev), -ENOTSUPP);
+ return -ENOTSUPP;
+}
+
+int out_destroy_add_exec(const struct lu_env *env, struct dt_object *dt_obj,
+ struct thandle_exec_args *ta, struct thandle *th,
+ struct object_update_reply *reply,
+ int index, const char *file, int line)
+{
+ struct tx_arg *arg;
+ int rc;
+
+ rc = dt_declare_destroy(env, dt_obj, th);
+ if (rc != 0)
+ return rc;
+
+ arg = tx_add_exec(ta, out_tx_destroy_exec, out_tx_destroy_undo,
+ file, line);
+ if (IS_ERR(arg))
+ return PTR_ERR(arg);
+
+ lu_object_get(&dt_obj->do_lu);
+ arg->object = dt_obj;
+ arg->reply = reply;
+ arg->index = index;
+ return 0;
+}