https://www.scrivano.org/tags/storage/ Recent content in Storage on *scratch* Hugo en Sat, 06 Jun 2026 10:03:54 +0000 https://www.scrivano.org/posts/2021-10-26-compose-fs/ Tue, 26 Oct 2021 16:02:56 +0200 https://www.scrivano.org/posts/2021-10-26-compose-fs/ <p>For the last couple of weeks, I&rsquo;ve been playing on a PoC implementation of a file system for the Linux kernel. The goal is to address a fundamental limitation in how container images are stored: the existing overlay model deduplicates at the layer level, but once you want per-file deduplication — so that identical files across different images share a single copy on disk and in the page cache — the current architecture gets in the way and requires awkward workarounds involving hard links or filesystem-specific reflinks.</p>