linux-kernel - Re: fanotify as syscalls

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Date:	Wed, 23 Sep 2009 17:58:50 -0400
From:	"hch@...radead.org" <hch@...radead.org>
To:	Davide Libenzi <davidel@...ilserver.org>
Cc:	"hch@...radead.org" <hch@...radead.org>,
	Tvrtko Ursulin <tvrtko.ursulin@...hos.com>,
	Andreas Gruenbacher <agruen@...e.de>,
	Jamie Lokier <jamie@...reable.org>,
	Eric Paris <eparis@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Evgeniy Polyakov <zbr@...emap.net>,
	David Miller <davem@...emloft.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
	"alan@...ux.intel.com" <alan@...ux.intel.com>
Subject: Re: fanotify as syscalls

On Wed, Sep 23, 2009 at 08:35:18AM -0700, Davide Libenzi wrote:
> The fear is that this becomes a trojan horse (no pun intended) for more 
> and more hooks and "stuff", driven by we-really-need-this-too and 
> we-really-need-that-too. And once something it's in, it's harder to say no, 
> under the pressure of offering a "limited solution".
> This ws the reason I threw the syscall tracing thing in, so they have a 
> low level generic hook, and they cam knock themselves out in their module 
> (might need a few exports, but that's about it).

Replacing idiotify with a saner interface is a good goal.  I just don't
think we should take the stakes of the snake oil industry too serious in
it.

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