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[$] An update on fanotify
In a filesystem-track session at the 2026 Linux Storage,
Filesystem, Memory Management, and BPF Summit, Amir Goldstein updated
attendees on the fanotify
filesystem-event monitoring
subsystem. He wanted to describe changes that had come in the last year or
so, as well as upcoming features and some remaining challenges in his
efforts to use fanotify for hierarchical
storage management (HSM). Fanotify is the user-space API for monitoring
files, directories, and filesystems for events of various sorts
(e.g. opening or deleting a file).
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