linux-kernel - Re: [PATCH 5/5] staging: hv: Gracefully handle SCSI resets

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Date:	Wed, 01 Sep 2010 09:28:53 -0700
From:	Joe Perches <joe@...ches.com>
To:	Hank Janssen <hjanssen@...ltheuniverse.com>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	virtualization@...ts.osdl.org, devel@...verdev.osuosl.org,
	haiyangz@...rosoft.com
Subject: Re: [PATCH 5/5] staging: hv: Gracefully handle SCSI resets - RESEND

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?


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