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Date: Mon, 24 Aug 2026 06:58:30 +0200
From: Christoph Hellwig <hch@lst.de>
To: Bart Van Assche <bvanassche@acm.org>
Cc: John Garry <john.g.garry@oracle.com>, Christoph Hellwig <hch@lst.de>,
	Zorro Lang <zlang@kernel.org>, fstests@vger.kernel.org,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Kanchan Joshi <joshi.k@samsung.com>,
	Anuj Gupta <anuj20.g@samsung.com>, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 1/5] common/scsi_debug: don't slow down I/O
Message-ID: <20260824045830.GA29550@lst.de>
References: <20260821051133.1817670-1-hch@lst.de> <20260821051133.1817670-2-hch@lst.de> <d3289f5b-7b4c-44ce-99ba-c7ff0f59404d@oracle.com> <23760489-a45c-4b00-8500-9e8f4c9189df@acm.org>
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On Fri, Aug 21, 2026 at 09:14:29AM -0700, Bart Van Assche wrote:
> On 8/21/26 12:41 AM, John Garry wrote:
>> On 21/08/2026 06:11, Christoph Hellwig wrote:
>>> scsi_debug by defaults delays I/O 
>>
>> Maybe we can just make delay=0 default for that driver. Or use ndelay > 0.
>
> I'm in favor of changing the default delay to zero. It's what most users
> need and it's easy to forget to specify delay=0 when loading scsi_debug.

I won't object such a patch.  But we'll still want to force this
in xfstests to not rely on such a change.