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block: xen-blkback: use API provided by xenbus module to map rings
authorDavid Vrabel <david.vrabel@citrix.com>
Thu, 29 Sep 2011 15:53:30 +0000 (16:53 +0100)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tue, 13 Dec 2011 15:43:17 +0000 (10:43 -0500)
commit722877b6772832dffbe7773dc10d9a49e6645ee4
tree488a979e274e6d25d54860e28d94d4891a4d9cbbtree
parent37a55d00cf8126ac6df1d497c7726325e0f26f1dcommit | diff
block: xen-blkback: use API provided by xenbus module to map rings

The xenbus module provides xenbus_map_ring_valloc() and
xenbus_map_ring_vfree().  Use these to map the ring pages granted by
the frontend.

Acked-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
drivers/block/xen-blkback/common.h diff | blob | history
drivers/block/xen-blkback/xenbus.c diff | blob | history
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