linux-kernel - Re: [PATCH] Fix d_path for lazy unmounts

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Date:	Thu, 15 Feb 2007 13:53:42 +0100 (MET)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Andreas Gruenbacher <agruen@...e.de>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@....linux.org.uk>, linux-fsdevel@...r.kernel.org,
	Tony Jones <tonyj@...e.de>, Neil Brown <neilb@...e.de>,
	Christoph Hellwig <hch@....de>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	walt <wa1ter@...ealbox.com>
Subject: Re: [PATCH] Fix d_path for lazy unmounts

Hi,

On Feb 14 2007 14:57, Andreas Gruenbacher wrote:
>[2]
>    ------------------------
>pipe:			"pipe:[439336]" (or "pipe/[439336]")
>
>[3] Always make disconnected paths double-slashed:
>--------------------------------------------------
>pipe:			"//pipe/[439336]"
>lazily umounted dir:	"//dir/file"
>lazily unmounted fs:	"//file"
>unreachable root:	"//"
>
>Opinions?

As for [2]/[3]:

What's the point in changing pipefs... you can *never*
reach it *anyway*, even if it was a /-style path, since
pipefs is a NOMNT filesystem.

That said, programs like lsof might break when it changes
away from "pipe:[integer]" (same goes for socket:, etc.)


Jan
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