linux-kernel - Re: [PATCH 00/13] scsi: Support LUN/target based error handle

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Message-ID: <bbf42f55-1f85-9d9f-db72-1d1c08d254ea@acm.org>
Date:   Tue, 15 Aug 2023 08:48:04 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     "haowenchao (C)" <haowenchao2@...wei.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Hannes Reinecke <hare@...e.de>, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Dan Carpenter <error27@...il.com>, louhongxiang@...wei.com
Subject: Re: [PATCH 00/13] scsi: Support LUN/target based error handle

On 8/15/23 07:17, haowenchao (C) wrote:
> We can reduce probability of blocking whole host when handle error
> commands with this patchset, which is important for servers which
> deploy large scale disks. And the new error handler is not enabled
> default, so it would not affect drivers which do not need it.

Which drivers need this new error handler? I don't see any changes for
SCSI drivers in this patch series other than scsi_debug. Has this patch
series perhaps been developed for a pass-through driver between virtual
machine guests and their host? If so, has it been considered to
configure pass-through such that there is one disk per SCSI host instead
of multiple?

Thanks,

Bart.