tree 9cc7d9db48770b2468705d275dcefae5f26c60d1
parent a945b9801a9bfd4a98bcfd9f6656b5027b254e3f
author Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> 1288708713 -0400
committer Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> 1288711679 -0400

xen/blkfront: Implement FUA with BLKIF_OP_WRITE_BARRIER

The BLKIF_OP_WRITE_BARRIER is a full ordered barrier, so we can use it
to implement FUA as well as a plain FLUSH.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Christoph Hellwig <hch@lst.de>