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: <09B770A6-48DB-4296-B6C2-BF46D4DC7E57@dilger.ca>
Date:	Sat, 31 Jul 2010 12:41:41 -0600
From:	Andreas Dilger <adilger@...ger.ca>
To:	Trond Myklebust <trond.myklebust@....uio.no>
Cc:	Phil Pishioneri <pgp@....edu>, Volker.Lendecke@...Net.DE,
	Jeremy Allison <jra@...ba.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	Jan Engelhardt <jengelh@...ozas.de>,
	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 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.

Cheers, Andreas





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