Ubuntu Manpages

nvme_get_logical_block_size

Retrieve block size

int nvme_get_logical_block_size (int fd , __u32 nsid , int *blksize );

File descriptor of nvme device
Namespace id
Pointer to where the block size will be set on success

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