Re: [PATCH 0/3] mm/zram: route block swap I/O through swap_ops

[Christoph Hellwig]

On Wed, Jun 17, 2026 at 12:46:53PM +0900, Sergey Senozhatsky wrote:
> Those are fantastic questions, thank you for asking them.
> Can we elaborate on zram being a "legacy interface"?

Compression is functionality that fundamentally belongs into the core
swap code, not a virtual block device.  Between the backing store
less zswap and the virtual swap layer, the core swap code is not getting
to the point where don't need to rely on hacks like a compressing
ramdisk.