Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 19 Feb 2001 09:49:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 19 Feb 2001 09:48:55 -0500 Received: from sphinx.mythic-beasts.com ([195.82.107.246]:56076 "EHLO sphinx.mythic-beasts.com") by vger.kernel.org with ESMTP id ; Mon, 19 Feb 2001 09:48:48 -0500 Date: Mon, 19 Feb 2001 14:48:43 +0000 (GMT) From: Matthew Kirkwood To: Jeff Garzik cc: Linux Kernel List Subject: Re: sendfile from char device? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 19 Feb 2001, Jeff Garzik wrote: > > But, unfortunately, sendfile (in 2.2 and 2.4) appears not > > to support sendfile(2)ing a device: > > Correct... sendfile(2) is only for sources/destinations that can be > ripped through the page cache. I knew that, but was surprised that /dev/zero didn't have ->readpage(). Any pointers to assist me to implement one? Matthew. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/