From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6998FC433EF for ; Fri, 7 Jan 2022 02:56:12 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4JVSXV6jLBz30Lt for ; Fri, 7 Jan 2022 13:56:10 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=marcan.st (client-ip=2a01:298:fe:f::2; helo=mail.marcansoft.com; envelope-from=marcan@marcan.st; receiver=) X-Greylist: delayed 594 seconds by postgrey-1.36 at boromir; Fri, 07 Jan 2022 13:55:46 AEDT Received: from mail.marcansoft.com (marcansoft.com [IPv6:2a01:298:fe:f::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4JVSX229Pmz30FH for ; Fri, 7 Jan 2022 13:55:45 +1100 (AEDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: marcan@marcan.st) by mail.marcansoft.com (Postfix) with ESMTPSA id 70AEA43320; Fri, 7 Jan 2022 02:45:40 +0000 (UTC) Message-ID: Date: Fri, 7 Jan 2022 11:45:38 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.4.1 Subject: Re: [PATCH] fs: btrfs: Disable BTRFS on platforms having 256K pages Content-Language: en-US To: Qu Wenruo , Neal Gompa References: <6c7a6762-6bec-842b-70b4-4a53297687d1@gmx.com> From: Hector Martin In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-hexagon@vger.kernel.org, Josef Bacik , Linux Kernel Mailing List , Chris Mason , David Sterba , linuxppc-dev@lists.ozlabs.org, Btrfs BTRFS Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 2022/01/07 9:13, Qu Wenruo wrote: > > > On 2022/1/7 00:31, Neal Gompa wrote: >> On Wed, Jan 5, 2022 at 7:05 AM Qu Wenruo wrote: >>> >>> Hi Christophe, >>> >>> I'm recently enhancing the subpage support for btrfs, and my current >>> branch should solve the problem for btrfs to support larger page sizes. >>> >>> But unfortunately my current test environment can only provide page size >>> with 64K or 4K, no 16K or 128K/256K support. >>> >>> Mind to test my new branch on 128K page size systems? >>> (256K page size support is still lacking though, which will be addressed >>> in the future) >>> >>> https://github.com/adam900710/linux/tree/metadata_subpage_switch >>> >> >> The Linux Asahi folks have a 16K page environment (M1 Macs)... > > Su Yue kindly helped me testing 16K page size, and it's pretty OK there. > > So I'm not that concerned. > > It's 128K page size that I'm a little concerned, and I have not machine > supporting that large page size to do the test. > > Thanks, > Qu I'm happy to test things on 16K in the future if you need me to :-) -- Hector Martin (marcan@marcan.st) Public Key: https://mrcn.st/pub