From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751212AbWDTSmH (ORCPT ); Thu, 20 Apr 2006 14:42:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751229AbWDTSmH (ORCPT ); Thu, 20 Apr 2006 14:42:07 -0400 Received: from zcars04f.nortel.com ([47.129.242.57]:38562 "EHLO zcars04f.nortel.com") by vger.kernel.org with ESMTP id S1751212AbWDTSmG (ORCPT ); Thu, 20 Apr 2006 14:42:06 -0400 To: linux-kernel@vger.kernel.org Subject: Re: Linux 2.6.17-rc2 References: <20060419200001.fe2385f4.diegocg@gmail.com> <20060420145041.GE4717@suse.de> From: "Linh Dang" Organization: Null Date: Thu, 20 Apr 2006 14:40:08 -0400 In-Reply-To: <20060420145041.GE4717@suse.de> (Jens Axboe's message of "Thu, 20 Apr 2006 16:50:42 +0200") Message-ID: User-Agent: Gnus/5.1007 (Gnus v5.10.7) Emacs/21.3 (gnu/linux) 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 Jens Axboe wrote: > On Wed, Apr 19 2006, Linus Torvalds wrote: >> There are some other buffer management system calls that I haven't >> done yet (and when I say "I haven't done yet", I obviously mean >> "that I hope some other sucker will do for me, since I'm lazy"), >> but that are obvious future extensions: > > Well it's worked so far, hasn't it? :-) > >> - an ioctl/fcntl to set the maximum size of the buffer. Right now >> it's >> hardcoded to 16 "buffer entries" (which in turn are normally limited to >> one page each, although there's nothing that _requires_ that a buffer >> entry always be a page). > > This is on a TODO, but not very high up since I've yet to see a case > where the current 16 page limitation is an issue. I'm sure something > will come up eventually, but until then I'd rather not bother. DVD burning! splicing those huge VOB files into the dvd device would be nice. And believe me, the current 16 entries of the pipe is nowhere enough to sustain burning at 8X avg speed or higher. It's a special case but it'd benefit a LOT of ppl ;-) -- Linh Dang