qcow2: Add basic data-file infrastructure
commit0e8c08be276637a7339a05a4646b6eb8428ee802
authorKevin Wolf <kwolf@redhat.com>
Tue, 29 Jan 2019 16:13:57 +0000 (29 17:13 +0100)
committerKevin Wolf <kwolf@redhat.com>
Fri, 8 Mar 2019 11:26:46 +0000 (8 12:26 +0100)
treeb6ff1569405f5902c9f0b49627548b6ffdf76355
parente9f5b6deaa865e5265327de42b77553840c94880
qcow2: Add basic data-file infrastructure

This adds a .bdrv_open option to specify the external data file node.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
block/qcow2.c
block/qcow2.h
qapi/block-core.json