Date: Thu, 8 Jul 2010 01:23:03 +1000
From: Nick Piggin <npiggin@suse.de>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: hch@infradead.org, viro@zeniv.linux.org.uk, adilger@sun.com,
       corbet@lwn.net, serue@us.ibm.com, neilb@suse.de, hooanon05@yahoo.co.jp,
       bfields@fieldses.org, linux-fsdevel@vger.kernel.org, sfrench@us.ibm.com,
       philippe.deniel@CEA.FR, linux-kernel@vger.kernel.org
Subject: Re: [PATCH -V14 04/11] vfs: Allow handle based open on symlinks
Message-ID: <20100707152303.GS11732@laptop>
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On Tue, Jun 15, 2010 at 10:42:54PM +0530, Aneesh Kumar K.V wrote:
> The patch update may_open to allow handle based open on symlinks.
> The file handle based API use file descritor returned from open_by_handle_at
> to do different file system operations. To find the link target name we
> need to get a file descriptor on symlinks.

This is a pretty big change, isn't it? Have you looked through vfs to
ensure this is actually OK? I was just looking at remount,ro code, for
example, and it seems to assume only writable open files on ISREG
files.

Is this restricted to RDONLY? Really, it should be O_NONE...


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