nvme_flush(2)

Send an nvme flush command

Section 2 libnvme-dev bookworm source

Description

nvme_flush - Send an nvme flush command

int nvme_flush (int fd , __u32 nsid );

	fd		File descriptor of nvme device
	nsid		Namespace identifier

The Flush command requests that the contents of volatile write cache be made non-volatile.

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