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Subject: Re: [PATCH 5/5] staging: hv: Gracefully handle SCSI resets - RESEND
From: Joe Perches <joe@perches.com>
To: Hank Janssen <hjanssen@sailtheuniverse.com>
Cc: gregkh@suse.de, linux-kernel@vger.kernel.org,
        virtualization@lists.osdl.org, devel@driverdev.osuosl.org,
        haiyangz@microsoft.com
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Date: Wed, 01 Sep 2010 09:28:53 -0700
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On Tue, 2010-08-31 at 11:22 -0700, Hank Janssen wrote:
> If we get a SCSI host bus reset we now gracefully handle it, and we 
> take the device offline. This before sometimes caused hangs.
> ---
>  drivers/staging/hv/storvsc.c |   36 +++++++++++++++++++++++++++++++++++-
[]
> +	/*
> +	 * Wait for traffic in transit to complete
> +	 */
> +	while (atomic_read(&storDevice->NumOutstandingRequests))
> +		udelay(1000);
> +

Is it useful to have a maximum check or timeout?
Maybe use usleep_range?