xen/blkback: Fix two races in the handling of barrier requests.
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Mon, 17 Oct 2011 18:27:48 +0000 (14:27 -0400)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Mon, 17 Oct 2011 18:28:57 +0000 (14:28 -0400)
There are two windows of opportunity to cause a race when
processing a barrier request. This patch fixes this.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

No differences found