nvme_set_features_volatile_wc - Man Page

int nvme_set_features_volatile_wc (int fd , bool wce , bool save , __u32 *result );

fd

File descriptor of nvme device

wce

Write cache enable

save

Save value across power states

result

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.