BTRFS_RBIO_READ_REBUILD
if (rbio->operation == BTRFS_RBIO_READ_REBUILD) {
if (rbio->operation == BTRFS_RBIO_READ_REBUILD) {
if (rbio->operation == BTRFS_RBIO_READ_REBUILD) {
rbio->operation = BTRFS_RBIO_READ_REBUILD;
if (last->operation == BTRFS_RBIO_READ_REBUILD)
if (next->operation == BTRFS_RBIO_READ_REBUILD) {