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 AAAF8C00140 for ; Tue, 2 Aug 2022 12:37:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235903AbiHBMhU (ORCPT ); Tue, 2 Aug 2022 08:37:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235854AbiHBMhT (ORCPT ); Tue, 2 Aug 2022 08:37:19 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DB6221277; Tue, 2 Aug 2022 05:37:18 -0700 (PDT) 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-out1.suse.de (Postfix) with ESMTPS id 11FDF3738F; Tue, 2 Aug 2022 12:37:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1659443837; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=3HfC4HYHoemQeatFoai8aWeqbtAIvEIrdWu0ZbndmPA=; b=NsXkFLAGYRQ/94SoOj3ILjVrtbb+NTvgSb+xWx1Za8zLOJ16Sb7yz3IRdQ5W1rb+FfWT3N CFJjKsXNtdXPftnCqPMyxeUBI3zHTuBb9PCZ4kKg/A2fkvO885CAZ2KtMjU187NCuwGmLR +mBybjSpvUqkKVkgOPMoX3UTTk26oXs= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1659443837; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=3HfC4HYHoemQeatFoai8aWeqbtAIvEIrdWu0ZbndmPA=; b=MbuVwMeZFtMLmOT0+f/eCJD9TlhKHH6SUYG3RW0fyJVk+mLe/ztwI6I+HCRMD3/p/W1X56 gcMS8l+t1rR2FgAQ== 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 E005013A8E; Tue, 2 Aug 2022 12:37:16 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 4Ja/NXwa6WLyQwAAMHmgww (envelope-from ); Tue, 02 Aug 2022 12:37:16 +0000 Date: Tue, 2 Aug 2022 14:32:15 +0200 From: David Sterba To: Qu Wenruo Cc: dsterba@suse.cz, torvalds@linux-foundation.org, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [GIT PULL] Btrfs updates for 5.20 Message-ID: <20220802123215.GJ13489@twin.jikos.cz> Reply-To: dsterba@suse.cz Mail-Followup-To: dsterba@suse.cz, Qu Wenruo , torvalds@linux-foundation.org, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Tue, Aug 02, 2022 at 09:11:09AM +0800, Qu Wenruo wrote: > On 2022/8/2 00:40, David Sterba wrote: > > Notable fixes: > > > > - raid56 > > - reduce parity writes, skip sectors of stripe when there are no data > > updates > > - restore reading from stripe cache instead of triggering new read > > Small typo I guess. > It's the opposite, restore reading from on-disk data instead of using > stripe cache. Thanks. Linus, please replace the sentence with - restore reading from on-disk data instead of using stripe cache, this reduces chances to damage correct data due to RMW cycle