565ac8b1c8
Let's track the "dirty" state of a home directory backed by a LUKS volume by setting a new xattr "home.home-dirty" on the backing file whenever it is in use. This allows us to later user this information to show a home directory as "dirty". This is useful because we trim/allocate on log-out, and if we don't do that a home directory will be larger than necessary. This fact is something we should communicate to the admin. The idea is that when an admin sees a user with a "dirty" home directory they can ask them to log in, to clean up the dirty state, and thus trim everything again.
System and Service Manager
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