xen-org/xen-api — pull request #368 by djs55 (2011-10-18 11:10:18+00:00)
Title: CA-68448: when looking for an existing qemu blkfront, be aware that VBDs 

CA-68448: when looking for an existing qemu blkfront, be aware that VBDs may be being destroyed underneath us.

Signed-off-by: David Scott