USB keyboard and mouse stopped working in X ?
Rahul Sundaram
sundaram at fedoraproject.org
Thu Sep 18 05:03:34 UTC 2008
Patrick O'Callaghan wrote:
> On Thu, 2008-09-18 at 08:17 +0530, Rahul Sundaram wrote:
>> If you want proper undo support, it should be a filesystem level
>> feature. Something like btrfs in the (near?) future.
>
> Interesting but tricky. The problem with filesystem-level rollbacks is
> that they tend to roll back everything, including completely unrelated
> stuff you happened to change after installing some package you want to
> undo. I'm not sure how we can get a handle on this but I'll read up on
> btrfs all the same.
Essentially, instead of journalling, use snapshots.
http://btrfs.wiki.kernel.org/index.php/Main_Page
It should be possible to modify the package manager to initiate a fs
snapshot after a package content change as part of the transaction so
unrelated changes don't roll in.
Rahul
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