From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Vrabel <david.vrabel@citrix.com>
Subject: Re: [PATCH 1/2] xen/blkback: safely unmap purge
 persistent grants
Date: Wed, 29 Apr 2015 17:36:02 +0100
Message-ID: <55410872.2010602@citrix.com>
References: <1428043379-13858-1-git-send-email-bob.liu@oracle.com>
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On 03/04/15 07:42, Bob Liu wrote:
> Commit c43cf3ea8385 ("xen-blkback: safely unmap grants in case they are still
> in use") use gnttab_unmap_refs_async() to wait until the mapped pages are no
> longer in use before unmapping them, but that commit missed the persistent case.
> Purge persistent pages can't be unmapped either unless no longer in use.

Applied (this and 2/2) to for-linus-4.1b, thanks.

David