Linux SCSI subsystem development
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From: Matthew Wilcox <matthew@wil.cx>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
	Paul Wellner Bou <paul@purecodes.org>,
	SCSI development list <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] SCSI: increase default timeout for INQUIRY
Date: Thu, 12 Mar 2009 09:12:06 -0600	[thread overview]
Message-ID: <20090312151206.GC14425@parisc-linux.org> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0903121106480.3155-100000@iolanthe.rowland.org>

On Thu, Mar 12, 2009 at 11:08:51AM -0400, Alan Stern wrote:
> It's hard to see how this could cause any signficant problems, unless 
> somebody actually depends on INQUIRY timing out.

Erm, like doing a scan of a bus?  With 15 devices to probe, you've
increased the time from 15 * 3 = 45 seconds to 15 * 20 = 300 seconds.
That's not cool ;-(

Maybe we could default this in the transport or something so USB can
override it.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."

  reply	other threads:[~2009-03-12 15:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-12 15:08 [PATCH] SCSI: increase default timeout for INQUIRY Alan Stern
2009-03-12 15:12 ` Matthew Wilcox [this message]
2009-03-12 15:15   ` James Bottomley
2009-03-12 15:24     ` Alan Stern

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