An analysis of the interactions and tradeoffs between Famfs (fast minimal filesystem), FUSE (Filesystem in Userspace), and BPF (kernel runtime). Examines how these technologies relate within the Linux kernel filesystem stack.
Infrastructure
[$] Famfs, FUSE, and BPF
Famfs, FUSE, and BPF represent competing approaches to extending Linux filesystems—the analysis reveals fundamental tradeoffs between in-kernel performance and userspace flexibility.
Thursday, April 23, 2026 12:00 PM UTC2 MIN READSOURCE: LWN.netBY sys://pipeline
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infrastructure