block: Introduce BdrvChild.opaque
commit22aa8b246ada8d45add8eef64d4640a20b4f7ef3
authorKevin Wolf <kwolf@redhat.com>
Wed, 24 Feb 2016 14:13:35 +0000 (24 15:13 +0100)
committerKevin Wolf <kwolf@redhat.com>
Thu, 19 May 2016 14:45:30 +0000 (19 16:45 +0200)
tree3d4c42208230b6e538be75111281d75cc63beb1f
parent97148076e8beebbcab11e5cb581d8508722143fc
block: Introduce BdrvChild.opaque

BlockBackends use it to get a back pointer from BdrvChild to
BlockBackend in any BdrvChildRole callbacks.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
block/block-backend.c
include/block/block_int.h