Rodrigo Campos ec9e0dca91 overlay: Require opt-in if idmap mounts are not supported. ...

If we don't use idmap mounts, doing a chown per pod is very expensive:
it implies duplicating the container storage for the image for every pod
and the latency to start a new pod is affected too.

Let's make sure users are aware of this, by having them opt-in, for
snapshotters that we have a better solution (like overlayfs, that has
support for idmap mounts).

Signed-off-by: Rodrigo Campos <rodrigoca@microsoft.com>

2023-09-19 14:42:51 +02:00

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