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authorFam Zheng <famz@redhat.com>2013-08-23 09:14:46 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2013-09-06 15:25:08 +0200
commit9fcb025146676ab376e6159b58f5a5ddb67bf03c (patch)
tree1b642880bf42f0943ae9533b1fa78f933022b183 /blockdev.c
parent13c91cb7e28b47f5c4227f7e88a1378570117704 (diff)
block: implement reference count for BlockDriverState
Introduce bdrv_ref/bdrv_unref to manage the lifecycle of BlockDriverState. They are unused for now but will used to replace bdrv_delete() later. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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