tree 799b236c472067869782b2cf937d9d0d87852fc4
parent 325d73bf8fea8af2227240b7305253fb052d3a68
author Bob Liu <bob.liu@oracle.com> 1428043379 +0800
committer David Vrabel <david.vrabel@citrix.com> 1430131272 +0100

xen/grant: introduce func gnttab_unmap_refs_sync()

There are several place using gnttab async unmap and wait for
completion, so move the common code to a function
gnttab_unmap_refs_sync().

Signed-off-by: Bob Liu <bob.liu@oracle.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>