Filesystem 1K-blocks Used Available Use% Mounted on
devtmpfs 48292172 0 48292172 0% /dev
tmpfs 48318196 0 48318196 0% /dev/shm
tmpfs 48318196 345288 47972908 1% /run
tmpfs 48318196 0 48318196 0% /sys/fs/cgroup
/dev/nvme0n1p1 104846316 16042508 88803808 16% /
/dev/nvme1n1p1 528311736 86104376 415347536 18% /opt/xxx
tmpfs 9663640 0 9663640 0% /run/user/0
tmpfs 9663640 0 9663640 0% /run/user/1002
But, the metric node_filesystem_size_bytes from node-exporter only gives metric for
device '/dev/nvme0n1p1'. I also want the metric for other devices too.