linux-ext4 - Re: [PATCH 02/18] xstat: Add a pair of system calls to make extended file stats available [ver #6]

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Message-ID: <alpine.LSU.2.01.1007312048200.15118@obet.zrqbmnf.qr>
Date:	Sat, 31 Jul 2010 20:48:39 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	Andreas Dilger <adilger@...ger.ca>
cc:	Trond Myklebust <trond.myklebust@....uio.no>,
	Phil Pishioneri <pgp@....edu>, Volker.Lendecke@...Net.DE,
	Jeremy Allison <jra@...ba.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	linux-cifs@...r.kernel.org, linux-nfs@...r.kernel.org,
	samba-technical@...ts.samba.org, linux-kernel@...r.kernel.org,
	viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 02/18] xstat: Add a pair of system calls to make extended
 file stats available [ver #6]


On Saturday 2010-07-31 20:41, Andreas Dilger wrote:
>On 2010-07-30, at 12:11, Trond Myklebust wrote:
>> Your Mac has a perfectly functional CIFS client, as do your Linux boxes.
>> They both interoperate just fine with Samba, and would presumably
>> continue to do so if someone were to decide to reuse the ctime field on
>> your Samba box as storage for a create time.
>
>CIFS doesn't support symlinks (they just appear as the referenced
>file), so I've had applications that scan the filesystem recurse
>indefinitely due to symlinked directories on a CIFS share appearing
>as hard-linked directories on the client. This doesn't happen when
>the filesystem is accessed via NFS.

This shouldn't go on indefinitely - PATH_MAX is reached at some point.
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