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Date: Fri, 17 Jun 2005 14:12:34 -0400
To: Christoph Hellwig <hch@infradead.org>, Arnd Bergmann <arnd@arndb.de>,
       Robert Love <rml@novell.com>, Zach Brown <zab@zabbo.net>,
       linux-kernel@vger.kernel.org,
       Al Viro <viro@parcelfarce.linux.theplanet.co.uk>,
       Andrew Morton <akpm@osdl.org>
Subject: Re: [patch] inotify.
Message-ID: <20050617181233.GA2220@tentacle.dhs.org>
References: <1118855899.3949.21.camel@betsy> <42B1BC4B.3010804@zabbo.net> <1118946334.3949.63.camel@betsy> <200506171907.39940.arnd@arndb.de> <20050617175404.GA19463@infradead.org>
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From: John McCutchan <ttb@tentacle.dhs.org>
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On Fri, Jun 17, 2005 at 06:54:04PM +0100, Christoph Hellwig wrote:
> On Fri, Jun 17, 2005 at 07:07:38PM +0200, Arnd Bergmann wrote:
> > Sorry to bring up a topic that should have been settled a long time ago.
> > 
> > I found that the interface consisting of
> >  - open a handle
> >  - add a file descriptor with an event mask to handle
> >  - remove a file/watch descriptor from handle
> >  - wait on handle, get events
> >  - close handle
> > 
> > in inotify is _very_ similar to how epoll is represented to user
> > space. Is there a good reason that epoll is a set of syscalls while
> > inotify is a character device, or is one of them simply wrong?
> 
> It's because Robert and John insist on their horrible interface and
> simply ignore any feedback on how to do a better one.

Your feedback was considered during the off list discussion, that you
were a part of. In the end Robert, Andrew, and I agreed on the current
interface.