To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Tommy Reynolds <Tommy.Reynolds@MegaCoder.com>,
       linux-kernel@vger.kernel.org
Subject: Re: Squashfs without ./..
References: <Pine.LNX.4.61.0503221645560.25571@yvahk01.tjqt.qr>
	<Pine.LNX.4.62.0503221656310.2683@dragon.hyggekrogen.localhost>
	<200503231740.09572.maillist@zuco.org>
	<Pine.LNX.4.61.0503231829570.1481@yvahk01.tjqt.qr>
	<20050323174925.GA3272@zero>
	<Pine.LNX.4.62.0503241855350.18295@numbat.sonytel.be>
	<20050324133628.196a4c41.Tommy.Reynolds@MegaCoder.com>
	<Pine.LNX.4.61.0503242047000.8883@yvahk01.tjqt.qr>
From: Andreas Schwab <schwab@suse.de>
Date: Thu, 24 Mar 2005 23:31:12 +0100
In-Reply-To: <Pine.LNX.4.61.0503242047000.8883@yvahk01.tjqt.qr> (Jan
 Engelhardt's message of "Thu, 24 Mar 2005 20:47:47 +0100 (MET)")
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Jan Engelhardt <jengelh@linux01.gwdg.de> writes:

>>> > There's probably a number of apps that skip the first two dirents, instead
>>> > of checking for the dot dirs.
>>> Yep, check `-noleaf' in find(1)
>>Then it is broken in several ways.  
>>First, file systems are not required to implement ".." (only "." is
>>magical, ".." is a courtesy).  
>
> Heh, what would happen if .. disappeared?

"." and ".." are handled in the VFS.  No filesystem code ever sees them
during lookup.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstra?e 5, 90409 N?rnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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