From: Christoph Hellwig <hch@infradead.org>
To: Nirmoy Das <nirmoyd@nvidia.com>
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 01:58:53 -0800 [thread overview]
Message-ID: <aumwXVXRiqqV-IS7@infradead.org> (raw)
In-Reply-To: <20261020190426.1073318-1-nirmoyd@nvidia.com>
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/<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?
next prev parent reply other threads:[~2026-11-03 9:58 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 [this message]
2026-11-03 16:10 ` Nirmoy Das
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