{
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  "path": "/Articles/1077052/",
  "publishedAt": "2026-06-12T19:38:09.000Z",
  "site": "https://lwn.net",
  "tags": [
    "Linux Storage,\nFilesystem, Memory Management, and BPF Summit",
    "overlayfs\nunion filesystem",
    "composefs use case",
    "discussed at the summit in 2023"
  ],
  "textContent": "In a shortened session in the filesystem track at the 2026 Linux Storage,\nFilesystem, Memory Management, and BPF Summit, Amir Goldstein gave an update on the overlayfs\nunion filesystem. There are some new features over the last few years that he wanted to mention, along with looking at the status of nesting overlayfs layers. The composefs use case that was discussed at the summit in 2023 has led to some interesting changes to overlayfs.",
  "title": "[$] An overlayfs update"
}