On 2/27/23 5:22 PM, Alexander Larsson wrote: > Hello, > > Recently Giuseppe Scrivano and I have worked on[1] and proposed[2] the > Composefs filesystem. It is an opportunistically sharing, validating > image-based filesystem, targeting usecases like validated ostree > rootfs:es, validated container images that share common files, as well > as other image based usecases. > > During the discussions in the composefs proposal (as seen on LWN[3]) > is has been proposed that (with some changes to overlayfs), similar > behaviour can be achieved by combining the overlayfs > "overlay.redirect" xattr with an read-only filesystem such as erofs. > > There are pros and cons to both these approaches, and the discussion > about their respective value has sometimes been heated. We would like > to have an in-person discussion at the summit, ideally also involving > more of the filesystem development community, so that we can reach > some consensus on what is the best apporach. > > Good participants would be at least: Alexander Larsson, Giuseppe > Scrivano, Amir Goldstein, David Chinner, Gao Xiang, Miklos Szeredi, > Jingbo Xu. > > [1] https://github.com/containers/composefs > [2] https://lore.kernel.org/lkml/cover.1674227308.git.alexl@xxxxxxxxxx/ > [3] https://lwn.net/SubscriberLink/922851/45ed93154f336f73/ > I'm quite interested in the topic and would be glad to attend the discussion if possible. Thanks. -- Thanks, Jingbo
