Amir Goldstein <amir7...@gmail.com>:

> On the Oct 10 posting you asked me about the use case and it was hard
> to explain the use case with only part of the work done.
>
> The issue, which this work sets to solve, is the poor scalability of
> recursive inotify watches.

On my [employer's] part, the fanotify API suffers from leakage through
namespaces.

If you need to monitor files in a filesystem, the current fanotify
FAN_MARK_MOUNT flag does not give you a notification if you execute a
command like

   unshare -m touch xyz

inside the file system.

Amir's patch addresses this increasingly critical issue.


Marko

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