From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6534376C9C; Tue, 20 Feb 2024 21:08:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708463309; cv=none; b=THGi3LaMGo6wBthpNsK86u+GYlouLOSdAiZM1M73HsuQc3M6zjVF12au3v/UjwHZyHQhUXB/tXMIlHFXAyf800LfUlFXl8TVDBWbNBT0NA0t5rcEbKg8ds55qqd1g2PlFleChGLlGVDdJpTCRS+yV6Gn+FfIr1ARDJ6uMPPVXEo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708463309; c=relaxed/simple; bh=hLVsQCp2saBAMYuDBibZ6mkgZ8iK5QDHyipywwqOzxI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QmjM8YtlobZNtn4GE5KZazKDW+7P/un+DqZBRVxcpwiNBMixtr1QgM/OgPqwbCtUzxd8HmUPhKTPMMKjjPGUHR7c79hMbazTt6uqeNl51K0cAoQ6wb3TwVEc/DDLsv19QGDLfqVDe0gdVB8pRQgsl0ygxKwOJXef5g9ITf02REM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cYR44PnQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="cYR44PnQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C42C3C433F1; Tue, 20 Feb 2024 21:08:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1708463309; bh=hLVsQCp2saBAMYuDBibZ6mkgZ8iK5QDHyipywwqOzxI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cYR44PnQCqZmCR929fH4LyGag3eDwqJkjY8TB+n8acPWI0UOTk5qpBAsCheHakrIL gJ3QhXPrySYHgs3rqFktdMKGBlHbkdwCRHrv4wBKuVOf+Fa7HJOZilqjdGyW8UckcX fCVf/aDQtKRDjMChAScI67yst4GAdDjT21Tmz46k= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yu Kuai , Junxiao Bi , Logan Gunthorpe , Song Liu , Sasha Levin Subject: [PATCH 6.1 172/197] md: bypass block throttle for superblock update Date: Tue, 20 Feb 2024 21:52:11 +0100 Message-ID: <20240220204846.218720777@linuxfoundation.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240220204841.073267068@linuxfoundation.org> References: <20240220204841.073267068@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Junxiao Bi [ Upstream commit d6e035aad6c09991da1c667fb83419329a3baed8 ] commit 5e2cf333b7bd ("md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d") introduced a hung bug and will be reverted in next patch, since the issue that commit is fixing is due to md superblock write is throttled by wbt, to fix it, we can have superblock write bypass block layer throttle. Fixes: 5e2cf333b7bd ("md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d") Cc: stable@vger.kernel.org # v5.19+ Suggested-by: Yu Kuai Signed-off-by: Junxiao Bi Reviewed-by: Logan Gunthorpe Reviewed-by: Yu Kuai Signed-off-by: Song Liu Link: https://lore.kernel.org/r/20231108182216.73611-1-junxiao.bi@oracle.com Signed-off-by: Sasha Levin --- drivers/md/md.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 3ccf1920682c..c7efe1522951 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -963,9 +963,10 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, return; bio = bio_alloc_bioset(rdev->meta_bdev ? rdev->meta_bdev : rdev->bdev, - 1, - REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH | REQ_FUA, - GFP_NOIO, &mddev->sync_set); + 1, + REQ_OP_WRITE | REQ_SYNC | REQ_IDLE | REQ_META + | REQ_PREFLUSH | REQ_FUA, + GFP_NOIO, &mddev->sync_set); atomic_inc(&rdev->nr_pending); -- 2.43.0