From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=198.137.202.133 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793699935; b=OAqPe1VvcFeRp7rttdDC5l5rcOE1Z+aLfoFd9Zar+1vT4YpDYomqCqHzhRcQLGBxh8+R PKxLaYqyDejH4nRWnHSc2ySfYaVlDbOqzuN14AonGrYfMLxYsjvp3zIiKpBzih6dkmwT4 c+VTpOgbtRe1ylVhTrEkCqWRTifmG1HH26LCxAhsMmNeOvg23zhCrJOQcrftFnryJ+wq3 Xqm6g+d8JYFNXJow1jX04bl+Hc+7aPig77iP5nA0iZ1WmiXiJ872eP0iK6X7N8URdVDtp YAn+2hSjH577YmlNAskHaWovCztiXrznEOMuaNvgQULx5DO7JdXJ8HsHuNfIQ9QpTgg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793699935; h=DMARC-Filter:DKIM-Signature:Received:Date:From:To:Cc:Subject: Message-ID:References:MIME-Version:Content-Type:Content-Disposition: In-Reply-To:X-SRS-Rewrite; bh=ssR/hjz/6yhhPpZuRzYq/H19RXW10E80/skGI58LykE=; b=wu1d8dYPUK/vOz5wFNfXVUJTJtALnaehVeY3ca/5E9EuzoiEn0oKXpcJkGXDtc/iETeG NJ9IXwQyzfO4H997YnriUIT3rC7GCt2RXDsAFGY/LWV+yAO6sOyXLeBAFYN4sLAlUbT2o vRuK09g2xDEc4PIyZZvhD7t/jJK7/GC0EtoJviYvERBnJrBuVS6PfEIY7WJdCJC0fMn44 kfOsQWqkWLwSjXC1MUMNx+7cDjCewHXeN1SCuyWz9KPrUltqzlRYA+ljoPF72dhmeFXNU W0+xZslm6PQilq7z48tVHyolI5TL2q4D2cJvcf/rRMppyAE8hDGGRnWiWFOFQwjm6WA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=NPIic3MB; arc=none smtp.remote-ip=198.137.202.133 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DB0CD6082BC1; Tue, 3 Nov 2026 09:58:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org DB0CD6082BC1 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=NPIic3MB DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ssR/hjz/6yhhPpZuRzYq/H19RXW10E80/skGI58LykE=; b=NPIic3MBA9mbrDcFQ5XPBBsEn3 i2b55a2Z6Wj6ammnrBaOqZBOtBTNt0h2x9iZB776w0AstQ0FKFFzNKPoyjB1/YxccJQ+EdgWBYp7M b1EYh7obeU8KVC4ZxZPJo6XsQx/zd6qk3H4jiy6GtIgfnc+8bEzFEj4jaT/fxSdtcaKerPz19itas CBvuxZXRtNL96ZhbBO+1bAs2bdBfVMyCKbjKJDNPWdR8bE00HgAwuH0SAkQ1qmitO2z9NE6ODXwSu +UWQ+oVvOYX+Tk2xObIJlBjPkAb6GbvfUeQV3M0OGnDO48uktyjbvHTkuXgo5cPld6EWei9MbEOKV +QKgROXQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOBI5-00000001rcA-13yk; Tue, 03 Nov 2026 09:58:53 +0000 Date: Tue, 3 Nov 2026 01:58:53 -0800 From: Christoph Hellwig To: Nirmoy Das Cc: axboe@kernel.dk, tom.leiming@gmail.com, yuyufen@huawei.com, bob.liu@oracle.com, yebin@huaweicloud.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] block: keep flush error across tag iterator reference drops Message-ID: References: <20261020190426.1073318-1-nirmoyd@nvidia.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261020190426.1073318-1-nirmoyd@nvidia.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Looks good. Bu I guess Jens already picked up the AI-Version of this: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67c43ceaa29e9b904216651697adf20445b219fc Sorry for not catchign yours earlier. On Tue, Oct 20, 2026 at 12:04:26PM -0700, Nirmoy Das wrote: > Reproduced on v7.3 in an x86 QEMU guest with scsi_debug, failing every > SYNCHRONIZE CACHE through its debugfs error injection while 16 > processes read /sys/block/sda/inflight: > > modprobe scsi_debug dev_size_mb=64 ndelay=100000 > echo "2 1 0x35 0x00 0x00 0x02 0x04 0x44 0x00" > \ > /sys/kernel/debug/scsi_debug//error > > fsync() returned 0 for 35 of 18000 calls on /dev/sda and for 46 of 18000 > calls on a file on ext4 without a journal, over six runs. With this > change every call failed. Can you add this to blktests?