Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 3 Dec 2001 19:13:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 3 Dec 2001 19:06:03 -0500 Received: from hank-fep6-0.inet.fi ([194.251.242.201]:39361 "EHLO fep06.tmt.tele.fi") by vger.kernel.org with ESMTP id ; Mon, 3 Dec 2001 17:24:03 -0500 Message-ID: <3C0BFB3F.9111CD2C@pp.inet.fi> Date: Tue, 04 Dec 2001 00:22:55 +0200 From: Jari Ruusu X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.2.20aa1 i686) X-Accept-Language: en MIME-Version: 1.0 To: marcelo@conectiva.com.br CC: Herbert Valerio Riedel , Andrea Arcangeli , axboe@suse.de, linux-kernel@vger.kernel.org Subject: Re: RFC(ry): breaking loop.c's IV calculation In-Reply-To: <3C0A51B0.9AD14E74@pp.inet.fi> <20011202234625.A3447@athlon.random> <1007388763.1674.37.camel@janus.txd.hvrlab.org> Content-Type: multipart/mixed; boundary="------------B7E7A619D6A837592C47DE5F" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------B7E7A619D6A837592C47DE5F Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Herbert Valerio Riedel wrote: > well, I've put one patch together (it still needs (constructive) > auditing though! jari?) here it is (it's against 2.4.16's loop.[ch]) I have attached my version of loop.c bug fixes. These are extracted from loop-AES and are well tested. - IV computed in 512 byte units. - Make device backed loop work with swap by pre-allocating pages. - External encryption module locking bug fixed (from Ingo Rohloff). - Get rid of the loop_get_bs() crap. - grab_cache_page() return value handled properly, avoids Oops. - No more illegal messing with BH_Dirty flag. - No more illegal sleeping in generic_make_request(). - Loops can be set-up properly when root partition is still mounted ro. - Default soft block size is set properly for file backed loops. - kmalloc() error case handled properly. 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