From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: many-disk support Date: Mon, 29 Dec 2003 14:27:07 +0000 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <20031229142707.GI12479@parcelfarce.linux.theplanet.co.uk> References: <20031229022549.50bae6d7.akpm@osdl.org> <20031229110603.A27408@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:14816 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S263447AbTL2O1K (ORCPT ); Mon, 29 Dec 2003 09:27:10 -0500 Content-Disposition: inline In-Reply-To: <20031229110603.A27408@infradead.org> List-Id: linux-scsi@vger.kernel.org To: Christoph Hellwig Cc: Andrew Morton , linux-scsi@vger.kernel.org, Badari Pulavarty , "viro@parcelfarce.linux.theplanet.co.uk" On Mon, Dec 29, 2003 at 11:06:04AM +0000, Christoph Hellwig wrote: > On Mon, Dec 29, 2003 at 02:25:49AM -0800, Andrew Morton wrote: > > Guys, I've had this patch for ages. Badari seemed to say that it wasn't > > the "right" way to do it. > > > > Can we get this nailed down please? > > - I think the bitmap overhead was killing us on big x86 machines, right? > so that might need some swork. > - a config option definitly is the wrong way to go. > - I don't think assigning more numbers to the last major is a bad idea, > better assign them to the first one, maybe with a hole for what we're > using the other majors currently for, so when udev gets more mature > we can kill the additional majors. LWN were kind enough to archive my previous thoughts on this at http://lwn.net/Articles/54840/ I'd've worked on some code for this if anyone had been interested ... -- "Next the statesmen will invent cheap lies, putting the blame upon the nation that is attacked, and every man will be glad of those conscience-soothing falsities, and will diligently study them, and refuse to examine any refutations of them; and thus he will by and by convince himself that the war is just, and will thank God for the better sleep he enjoys after this process of grotesque self-deception." -- Mark Twain