From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754062AbcAMVrF (ORCPT ); Wed, 13 Jan 2016 16:47:05 -0500 Received: from mout.kundenserver.de ([217.72.192.73]:49553 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751049AbcAMVrC convert rfc822-to-8bit (ORCPT ); Wed, 13 Jan 2016 16:47:02 -0500 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: Matias =?ISO-8859-1?Q?Bj=F8rling?= , Jens Axboe , Linus Torvalds , Linux Kernel Mailing List Subject: Re: [PATCH] null_blk: use sector_div instead of do_div Date: Wed, 13 Jan 2016 22:46:30 +0100 Message-ID: <4333086.QZV0XpURJu@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; ) In-Reply-To: <5665391.6n2Zq774pT@wuerfel> References: <3768541.ja0r6f0Odi@wuerfel> <56596064.2070306@bjorling.me> <5665391.6n2Zq774pT@wuerfel> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" X-Provags-ID: V03:K0:nxredD6CXWtGsKZzGGS+l5gpaOVnqCQvaUhy1K2NSKB1I6GYTB7 vLCcaS7AR1DWn6zq1mXssxYFJtIe7ltPWdNgfBbdY2olHH3+gCnCB+5KsMVJesvxitmeX3e PrZs/G6rxYp4TJfV9wAMq5tpNUbRL1ABcyi8Zb+J4GudQjS5RvAD/4wH1ywke+bBfRt0JmZ Oj4muog6LbggGF5m6b/1A== X-UI-Out-Filterresults: notjunk:1;V01:K0:sCKcZ6zJaNU=:dcApOTvZAMRmgoqxSw3xYa KaPju+i1uJx8Ou/ksYOcyAnnmkCDV9VlRdtFrbZVJKjulZR7T9MYyWyKSa3pTEcjmqR1q/mUi dnXqcb7cgVE++bBGjsGzPraVOucahNHV33LS2nowsFE9DRh2p11PnUc2PyWwrcc+ARs6qXm1a k2DlAGPJRG5cu2uEB31cor7FK1dt4+LjUrLS8x+D9Yd2tfs3W7xz52CxOzyfamzzi/lts06DX 2b6KrSXezJDF7/r08TFEesgY8yzf+JaLG4tzGUj4F/ihAfS3In9dMvyRH4KYeUG6DhxnQ3tjj d1iSWfmzaAhp1TYqEi78DoXi7rKtlF5+PiuZArTR8eBE+3rMJnp2yoE5RGV+U5ggEUubeTDzg Uh+LV1vZb3I1upjJTJfG7mqQs3VMXjwUu15msAIlU3WJa8YWg5618OQAvPAXs9+NjEriY73yG fX3ecWghRPIZ8B3c6bf35fovZEcx+1nWD9eQ96uyUGXHln65AbhAP+mfQnA2XJqVp931JEP2Z qXx6m2KNqsM0RfTlCFi8+0GCIlf+KpQ5Q8veenRezWgj5yWptuSADBeGfwvjFBMAur/rckOOw ZSpVzoVhMpoQgJvTJBGY+bl2b/+K+ENNwZlgwgJHFt6vPq56ETl2K/LfcvzDX/Y6LMS2S8MIq VW8ODGVbAcO8g4ooP/cSiGFf/DUDL4X0JU329xUxkwFCCvLFzAKkGdlwvuvYD1HhEwBFP8aj2 8WlY3vsX7lEIdEa3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 18 December 2015 17:13:40 Arnd Bergmann wrote: > On Saturday 28 November 2015 09:05:56 Matias Bjørling wrote: > > > > I had my head around the original code and kept references to the device > > layout I had in mind. 256 being number of pages in a block, and the 2^16 > > being number of blocks in a lun and wanted to communicate that part.. > > which led to producing silly code in the mean time. > > > > Similarly, the bs is always fixed to 4k for lightnvm, until other bs > > sizes are supported. We could optimize it out, I left it in for the same > > reasons. > > I still see the build warning in linux-next, can you merge your patch? The merge window is open now, the bug persists in linux-next. I'm submitting Matias version now. Arnd