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Date: Sun, 18 Jun 2006 11:36:06 -0700
From: Chris Wedgwood <cw@f00f.org>
To: Al Viro <viro@ftp.linux.org.uk>
Cc: Andr? Goddard Rosa <andre.goddard@gmail.com>,
       linux list <linux-kernel@vger.kernel.org>
Subject: Re: Support for SEEK_HOLE and SEEK_DATA for sparse files on lseek(2)
Message-ID: <20060618183606.GA10859@tuatara.stupidest.org>
References: <b8bf37780606180620y6e980e04k5b35da2c61fa1d1f@mail.gmail.com> <20060618151411.GV27946@ftp.linux.org.uk>
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On Sun, Jun 18, 2006 at 04:14:11PM +0100, Al Viro wrote:

> Well...  Description makes sense and it isn't hard to implement.
> About the only question is about semantics for directories...

Why not claim it's undefined for now and -EINVAL if someone tries to
use it?  We can relax that at a later stage is someone comes up with a
well-thought out alternative after some discussion.