From: Nirmoy Das <nirmoyd@nvidia.com>
To: Christoph Hellwig <hch@infradead.org>
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
Date: Tue, 3 Nov 2026 17:10:35 +0100 [thread overview]
Message-ID: <1acc56d9-3df1-4a79-a961-85ce607104c1@nvidia.com> (raw)
In-Reply-To: <aumwXVXRiqqV-IS7@infradead.org>
On 03.11.26 10:58, Christoph Hellwig wrote:
> 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.
No worries.
>
> 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/<h:c:t:l>/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?
I will send a PR https://github.com/linux-blktests/blktests
Regards,
Nirmoy
prev parent reply other threads:[~2026-11-03 16:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-20 19:04 Nirmoy Das
2026-11-03 9:58 ` Christoph Hellwig
2026-11-03 16:10 ` Nirmoy Das [this message]
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