｢ The problem at hand with these lockups will manifest when a #systemd unit reads lots of files from a file-system mounted with the "lazytime" mount option. #Lazytime being the option for only initially updating the access/modify/creation time on the in-memory version of the file #inode to help with performance and reduce writes to disk. The on-disk timestamps are then updated during #fsync and similar operations or when evicted from memory, among other possibilities ｣