Re: [PATCH v1 0/3] pNFS blocklayout handling for transient devices

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On Fri, Dec 08, 2017 at 12:52:56PM -0500, Benjamin Coddington wrote:
> This set improves the blocklayoutdriver's handling of layouts when devices
> are not present on the a client, or become unavailable.  Ideally, clients
> should not continually spam a server with LAYOUTGET for known layouts, and
> GETDEVINFO for known devices, since it may be a common scenario to have some
> clients that have access to the block devices, and some clients that do not.
> 
> In addition to better handling situations where devices are unavailable,
> patches 2 and 3 fix crashes if SCSI devices do not exist or are already have
> existing reservations.

What testcases do you have for this?
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