linux-kernel - Re: fanotify - overall design before I start sending patches

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Date:	Wed, 29 Jul 2009 16:08:42 -0400
From:	Eric Paris <eparis@...hat.com>
To:	Niraj kumar <niraj17@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: fanotify - overall design before I start sending patches

On Sat, 2009-07-25 at 19:52 +0530, Niraj kumar wrote:
> >
> > - subtree notification.
> >        Currently to only watch /home and all of it's descendants one must
> > either register a directed watch on every directory or use a global
> > listener.  The global listener with ignored_mask is not as bad as it
> > sounds in my testing, but decent subtree registration and notification
> > would be a big win in a lot of people's mind.
> 
> Unless it's already covered in some way, I would also be interested
> in notification based on "process subtree".  What this means is that
> for whatever notification a particular process requests, it's only
> interested in events generated  by itself and it's children.
> This is useful in doing auditing for file system related access.

Has not been considered.   You'd have to really flesh out the use case
before I could.....

-Eric

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