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authorKevin Wolf <kwolf@redhat.com>2015-06-15 13:51:04 +0200
committerKevin Wolf <kwolf@redhat.com>2015-07-14 17:15:23 +0200
commit33a604075c51e5528eed970eeaeefe609ea2337d (patch)
tree52f4f7af38d22a372270cc25c3fd863970a341c2 /include/block
parentb4b059f628173dd1d722ee8a9c592a80aec1fc2f (diff)
downloadhqemu-33a604075c51e5528eed970eeaeefe609ea2337d.zip
hqemu-33a604075c51e5528eed970eeaeefe609ea2337d.tar.gz
block: Introduce bdrv_unref_child()
This is the counterpart for bdrv_open_child(). It decreases the reference count of the child BDS and removes it from the list of children of the given parent BDS. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include/block')
-rw-r--r--include/block/block.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 5048772..37916f7 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -513,6 +513,7 @@ void bdrv_disable_copy_on_read(BlockDriverState *bs);
void bdrv_ref(BlockDriverState *bs);
void bdrv_unref(BlockDriverState *bs);
+void bdrv_unref_child(BlockDriverState *parent, BdrvChild *child);
bool bdrv_op_is_blocked(BlockDriverState *bs, BlockOpType op, Error **errp);
void bdrv_op_block(BlockDriverState *bs, BlockOpType op, Error *reason);
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