Re: [PATCH] block: keep flush error across tag iterator reference drops

[Nirmoy Das]

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