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 66844C001DC for ; Wed, 19 Jul 2023 06:55:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231222AbjGSGza convert rfc822-to-8bit (ORCPT ); Wed, 19 Jul 2023 02:55:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231221AbjGSGz3 (ORCPT ); Wed, 19 Jul 2023 02:55:29 -0400 Received: from mail.lichtvoll.de (lichtvoll.de [IPv6:2001:67c:14c:12f::11:100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 783431FD9 for ; Tue, 18 Jul 2023 23:55:27 -0700 (PDT) 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 ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by mail.lichtvoll.de (Postfix) with ESMTPSA id 98A70747972; Wed, 19 Jul 2023 08:55:24 +0200 (CEST) Authentication-Results: mail.lichtvoll.de; auth=pass smtp.auth=martin smtp.mailfrom=martin@lichtvoll.de From: Martin Steigerwald To: Tim Cuthbertson , linux-btrfs@vger.kernel.org, Linux regressions mailing list Cc: Linux kernel regressions list Subject: Re: Scrub of my nvme SSD has slowed by about 2/3 Date: Wed, 19 Jul 2023 08:55:24 +0200 Message-ID: <2585111.Lt9SDvczpP@lichtvoll.de> In-Reply-To: <3526703.iIbC2pHGDl@lichtvoll.de> References: <1d611dbb-8aee-9a6e-701c-6498f1b51c34@leemhuis.info> <3526703.iIbC2pHGDl@lichtvoll.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Martin Steigerwald - 19.07.23, 08:42:58 CEST: > Hi Thorsten. > > #regzbot monitor: > https://lore.kernel.org/linux-btrfs/cover.1689744163.git.wqu@suse.com > / > > I hope that does it. > > Above links to a patch of Qu about asking for other ideas to fix the > regression. It however has been superseded by a later patch of him. FWIW time-wise it was the other way around. The other patch was slightly earlier, but it not fully recover the original speed of scrubbing of NVME devices in 6.3¹. Thus Qu was asking for additional ideas. [1] https://lore.kernel.org/linux-btrfs/4f48e79c-93f7-b473-648d-4c995070c8ac@gmx.com/T/#t Best, -- Martin