linux-kernel - Re: [PATCH 1/1] VFS: fixes a bug in sys

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Message-Id: <1158111142.6967.105.camel@ram.us.ibm.com>
Date:	Tue, 12 Sep 2006 18:32:22 -0700
From:	Ram Pai <linuxram@...ibm.com>
To:	Al Viro <viro@....linux.org.uk>
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org, nacc@...ibm.com
Subject: Re: [PATCH 1/1] VFS: fixes a bug in sys_linkat()

On Wed, 2006-09-13 at 02:11 +0100, Al Viro wrote:
> On Tue, Sep 12, 2006 at 05:57:38PM -0700, Ram Pai wrote:
> > Hardlink using sys_linkat() returns EXDEV when the source and the destination
> > point to the same filesystem, residing under different mounts.
> 
> ... and that is absolutely deliberate.  Ability to restrict links to
> a subtree is a deliberate feature.

But wondering what side effects will it have if we allowed it to create
hardlinks?  

RP



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