nvme_set_features_write_atomic - Set write atomic feature

       fd          File descriptor of nvme device

       dn          Disable Normal

       save        Save value across power states

       result      The command completion result from CQE dword0

       nvme_set_features_write_atomic - Set write atomic feature

       The  nvme  command  status  if  a response was received (see enumnvme_status_field) or -1 with errno set
       otherwise.

August 2025                              nvme_set_features_write_atomic        nvme_set_features_write_atomic(2)

intnvme_set_features_write_atomic(intfd,booldn,boolsave,__u32*result);