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Date: Mon, 7 Apr 2003 11:11:20 +0200
From: Olivier Galibert <galibert@pobox.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] new syscall: flink
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On Mon, Apr 07, 2003 at 04:35:56AM -0400, Jakub Jelinek wrote:
> There is at most one path associated with an opened file - d_path on
> file->f_dentry. If a fd has no path, don't permit flink().
> Alternatively, flink() could have 3 arguments, 2 like link and an opened
> fd, which would atomically do if fd describes the same object as buf,
> link buf to newname.

That breaks one of the main uses, creating with open a temporary file
in /tmp, unlinking it, then later hooking it up somewhere else in the
filesystem.

  OG.