...date for backup when a backup program such as dump (8) is run. See chattr (1). STATX_ATTR_ENCRYPTED A key is required for the file to be encrypted by the filesystem. STATX_ATTR_…...hold a payload of up to 1 MiB. If the key payload is large enough, then it may be stored encrypted in tmpfs (which can be swapped out) rather than kernel memory. For further det…