Re: fanotify and network/cluster fs

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On Tue, May 11, 2021 at 2:36 AM Steve French <smfrench@xxxxxxxxx> wrote:
>
> With the recent changes to fanotify (e.g.
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7cea2a3c505e)

Not sure how this is related to remote fs notifications.

> has there been any additional discussion of what it would take to
> allow fanotify to be supported for network/cluster fs (all major

It would take someone to pick up this RFC that was already posted
2 years ago:
https://lore.kernel.org/linux-fsdevel/20190507085707.GD30899@xxxxxxxxxxxxxxxxxxxxxxxxxx/
https://lore.kernel.org/linux-fsdevel/CAOQ4uxipauh1UXHSFt=WsiaDexqecjm4eDkVfnQXN8eYofdg2A@xxxxxxxxxxxxxx/

> dialects supported by cifs.ko support sending notify requests to the
> server - but there is no way for cifs.ko to be told which notify
> requests to send as fanotify/inotify are local only in current Linux -
> unlike other OS where notify is primarily for network fs and passed
> down to the fs)
>

If you wait long enough, I'll get to implementing this for FUSE some day...
But there is *really* nothing blocking cifs developers from implementing this
and writing the specialized tests. I can help with guidance.

Thanks,
Amir.



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