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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC4E5C43334 for ; Tue, 7 Jun 2022 06:16:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236952AbiFGGQa (ORCPT ); Tue, 7 Jun 2022 02:16:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230292AbiFGGQ1 (ORCPT ); Tue, 7 Jun 2022 02:16:27 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86C7FD7723 for ; Mon, 6 Jun 2022 23:16:26 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id F21DB68AFE; Tue, 7 Jun 2022 08:16:22 +0200 (CEST) Date: Tue, 7 Jun 2022 08:16:22 +0200 From: Christoph Hellwig To: Qu Wenruo Cc: dsterba@suse.cz, Christoph Hellwig , Chris Mason , Josef Bacik , David Sterba , Qu Wenruo , linux-btrfs@vger.kernel.org Subject: Re: simple synchronous read repair v2 Message-ID: <20220607061622.GA9258@lst.de> References: <20220527084320.2130831-1-hch@lst.de> <20220606212500.GI20633@twin.jikos.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, Jun 07, 2022 at 06:53:35AM +0800, Qu Wenruo wrote: > OK, although I'd say, considering the latest read-repair test, What is the latest read repair test? > we may > want to simply the write part, to only write the data back to the > initial mirror. Why would we not write back the correct data to all known bad mirrors?