Re: [PATCH] the dm-loop target

Christoph Hellwig
2025-03-04T16:04:29Z

On Tue, Mar 04, 2025 at 03:50:36PM +0100, Heinz Mauelshagen wrote:
> Seems to have a loop target to add respective mapped device semantics, the
> way to go is to design it using VFS API to get it upstream.
>
> Won't help the Android use case requested by Google thus they'll have to
> stick to their multi-segment linear mapped approach to achieve their
> performance goals unless they want to support dm-loop OOT to make their
> life easier on immutable file backings.

What are "the performance goals" and what is in the way of achieving
them? This thread has massively blown up but no one has even tried to
explain what the thing tries to address.