[Nix-dev] NILFS2, NixOS, nixpart and Blivet

[Wout Mertens]

On Mon, Oct 6, 2014 at 8:04 AM, Tim Barbour <trb at categorical.net> wrote:

> One nice property of NILFS is that every write results in a new checkpoint,
> which makes it very cheap to check whether a filesystem has been modified
> (other than via low-level disk-editing).
>

On btrfs you can look at the generation:
http://www.tummy.com/blogs/2010/11/01/fun-with-btrfs-what-files-have-changed/

Wout.
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