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Date: Fri, 21 Aug 2026 16:27:43 -0700
From: "Darrick J. Wong" <djwong@kernel.org>
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: <20260821232743.GD839663@frogsfrogsfrogs>
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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In-Reply-To: <23760489-a45c-4b00-8500-9e8f4c9189df@acm.org>

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 didn't even *know* that you had to do that!

I agree with these changes.
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>

--D

> Thanks,
> 
> Bart.
>