tune2fs

Adjust parameters of an ext2, ext3 or ext4 filesystem. May be used on mounted filesystems. More information: https://manned.org/tune2fs.

• Set the max number of counts before a filesystem is checked to 2:

tune2fs -c 2 /dev/sdXN

• Set the filesystem label to MY_LABEL:

tune2fs -L 'MY_LABEL' /dev/sdXN

• Enable discard and user-specified extended attributes for a filesystem:

tune2fs -o discard,user_xattr /dev/sdXN

• Enable journaling for a filesystem:

tune2fs -o^nobarrier /dev/sdXN