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[$] Famfs: a filesystem interface to shareable memory
Tuesday July 30, 2024. 11:28 PM , from LWN.net
At the 2024 Linux
Storage, Filesystem, Memory Management, and BPF Summit, John Groves led a session on famfs, which is a filesystem he has developed that uses the kernel's direct-access (DAX) mechanism to access memory that is shareable between hosts. The discussion was aimed at whether a different approach should be taken and, in particular, whether FUSE should be used instead of implementing as an in-kernel filesystem. As noted in the thread about his proposal for an LSFMM+BPF session, and the mailing-list discussions on the first and second version of his patch set, there is some skepticism that a new in-kernel filesystem is warranted for the use case.
https://lwn.net/Articles/983105/
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