linux-kernel - Re: [patch 3/8] procfs: Add ability to plug in auxiliary fdinfo providers

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Message-ID: <20120814183558.GA1551@moon>
Date:	Tue, 14 Aug 2012 22:35:58 +0400
From:	Cyrill Gorcunov <gorcunov@...nvz.org>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Alexey Dobriyan <adobriyan@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Emelyanov <xemul@...allels.com>,
	James Bottomley <jbottomley@...allels.com>,
	Matthew Helsley <matt.helsley@...il.com>
Subject: Re: [patch 3/8] procfs: Add ability to plug in auxiliary fdinfo
 providers

On Tue, Aug 14, 2012 at 07:31:42PM +0100, Al Viro wrote:
> > Initially we considered to inject some "show" metod to
> > file_operations but since there really a number of
> > file_operations declared inside kernel (and in real the
> > further patches cover onle eventfd/epoll/inotify) the
> > waste of memory space will be inacceptable I think.
> 
> NAK.  This is too ugly to live.  Put it into file_operations,
> with NULL meaning default output, or don't do it at all.
> 
> And no, "it's only if you enable CONFIG_SOME_SHIT" gambit won't
> fly - we have all seen it played too many times.  All it takes
> is one politically-inclined induhvidual adding a dependency to
> some "vertically integrated" turd (*cough* systemd *spit* udev
> *cough*) and we are stuck with the damn thing.  CGROUP shite
> is already there, DEVTMPFS is well on its way, etc.

OK, I'll put it into file_operations then (actually Pavel was
proposing the same but I've been scared by amount of file_operations
declared). Thanks!

	Cyrill
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