int nvme_set_features_rrl (int fd , __u8 rrl , __u16 nvmsetid , bool save , __u32 *result );
File descriptor of nvme device
Read recovery level setting
NVM set id
Save value across power states
The command completion result from CQE dword0
The nvme command status if a response was received (see enum nvme_status_field) or -1 with errno set otherwise.