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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7826AC433EF for ; Mon, 4 Oct 2021 06:20:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 530F361360 for ; Mon, 4 Oct 2021 06:20:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232647AbhJDGWI (ORCPT ); Mon, 4 Oct 2021 02:22:08 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:54800 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232131AbhJDGWI (ORCPT ); Mon, 4 Oct 2021 02:22:08 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id A74D31FDCB; Mon, 4 Oct 2021 06:20:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1633328418; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HTksu0A1UQZP3D+5JTy4dKR0KnRaQZ2tGgPjg/+cGpI=; b=h/nsk7MbYM12Xi25HcUKdOj4PksS3Aw05OSxg97oxrfjIObl+FGtBzwut1Wxt+O1S+TxZ3 Y30qiVhbyf4lgqEDMa//rcTm/W80t2dpIxTz0J2WPI9qVw4EuCt33JFTSIdnpKhG4fh773 /dpQnQeiSD5gfwPycr40R9z4gECWYmY= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 7B716139C1; Mon, 4 Oct 2021 06:20:18 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id d2PTGiKdWmFSXgAAMHmgww (envelope-from ); Mon, 04 Oct 2021 06:20:18 +0000 Subject: Re: Changing the checksum algorithm on an existing BTRFS filesystem To: Matthew Warren , linux-btrfs@vger.kernel.org References: From: Nikolay Borisov Message-ID: <67b3a02c-ce3c-cd1a-a4b5-e79d7c8dcf5a@suse.com> Date: Mon, 4 Oct 2021 09:20:17 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 4.10.21 г. 8:26, Matthew Warren wrote: > Is there currently any way to change the checksum used by btrfs > without recreating the filesystem and copying data to the new fs? No