drivers/block/rbd.c

294 	struct rbd_img_request	*img_request;
1255 	switch (obj_req->img_request->data_type) {
1277 static inline void rbd_img_obj_request_add(struct rbd_img_request *img_request,
1280 	rbd_assert(obj_request->img_request == NULL);
1283 	obj_request->img_request = img_request;
1284 	dout("%s: img %p obj %p\n", __func__, img_request, obj_request);
1287 static inline void rbd_img_obj_request_del(struct rbd_img_request *img_request,
1290 	dout("%s: img %p obj %p\n", __func__, img_request, obj_request);
1292 	rbd_assert(obj_request->img_request == img_request);
1311 static void img_request_layered_set(struct rbd_img_request *img_request)
1313 	set_bit(IMG_REQ_LAYERED, &img_request->flags);
1316 static bool img_request_layered_test(struct rbd_img_request *img_request)
1318 	return test_bit(IMG_REQ_LAYERED, &img_request->flags) != 0;
1323 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
1331 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
1342 	rbd_assert(obj_req->img_request->snapc);
1344 	if (obj_req->img_request->op_type == OBJ_OP_DISCARD) {
1357 	    !obj_req->img_request->snapc->num_snaps) {
1399 	if (osd_req->r_result > 0 && rbd_img_is_write(obj_req->img_request))
1410 	struct rbd_device *rbd_dev = obj_request->img_request->rbd_dev;
1414 	osd_req->r_snapid = obj_request->img_request->snap_id;
1430 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
1464 	rbd_assert(obj_req->img_request->snapc);
1465 	return __rbd_obj_add_osd_request(obj_req, obj_req->img_request->snapc,
1503 	switch (obj_request->img_request->data_type) {
1587 static void rbd_img_request_init(struct rbd_img_request *img_request,
1591 	memset(img_request, 0, sizeof(*img_request));
1593 	img_request->rbd_dev = rbd_dev;
1594 	img_request->op_type = op_type;
1596 	INIT_LIST_HEAD(&img_request->lock_item);
1597 	INIT_LIST_HEAD(&img_request->object_extents);
1598 	mutex_init(&img_request->state_mutex);
1619 static void rbd_img_request_destroy(struct rbd_img_request *img_request)
1624 	dout("%s: img %p\n", __func__, img_request);
1626 	WARN_ON(!list_empty(&img_request->lock_item));
1627 	for_each_obj_request_safe(img_request, obj_request, next_obj_request)
1628 		rbd_img_obj_request_del(img_request, obj_request);
1630 	if (img_request_layered_test(img_request))
1631 		rbd_dev_parent_put(img_request->rbd_dev);
1633 	if (rbd_img_is_write(img_request))
1634 		ceph_put_snap_context(img_request->snapc);
1636 	if (test_bit(IMG_REQ_CHILD, &img_request->flags))
1637 		kmem_cache_free(rbd_img_request_cache, img_request);
1953 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2060 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2138 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2162 	switch (obj_req->img_request->data_type) {
2229 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2287 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2376 	struct rbd_img_request *img_req = obj_req->img_request;
2403 	switch (obj_req->img_request->op_type) {
2759 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2795 	struct rbd_img_request *img_req = obj_req->img_request;
2851 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2928 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
2950 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3109 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3134 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3135 	struct ceph_snap_context *snapc = obj_req->img_request->snapc;
3182 	if (obj_req->img_request->snapc->num_snaps && bytes > 0) {
3210 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3284 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3299 	struct rbd_device *rbd_dev = obj_req->img_request->rbd_dev;
3387 	struct rbd_img_request *img_req = obj_req->img_request;
3414 		rbd_img_handle_request(obj_req->img_request, result);
3603 			img_req = obj_req->img_request;
4721 	struct rbd_img_request *img_request =
4723 	struct rbd_device *rbd_dev = img_request->rbd_dev;
4724 	enum obj_operation_type op_type = img_request->op_type;
4725 	struct request *rq = blk_mq_rq_from_pdu(img_request);
4742 	rbd_img_capture_header(img_request);
4753 	     img_request, obj_op_name(op_type), offset, length);
4756 		result = rbd_img_fill_nodata(img_request, offset, length);
4758 		result = rbd_img_fill_from_bio(img_request, offset, length,
4763 	rbd_img_handle_request(img_request, 0);
4767 	rbd_img_request_destroy(img_request);