aboutsummaryrefslogtreecommitdiff
path: root/block.c
diff options
context:
space:
mode:
authorKevin Wolf <kwolf@redhat.com>2015-09-17 13:18:23 +0200
committerKevin Wolf <kwolf@redhat.com>2015-10-16 15:34:29 +0200
commitd42a8a935b8b2d567331fffa13a70918352668bb (patch)
treebfa20af1881dc6be090922b15fb12c88a8981dd9 /block.c
parenta2d6190048d01c7012ab4fd6a2558f435b7b2fe8 (diff)
downloadqemu-arm-d42a8a935b8b2d567331fffa13a70918352668bb.tar.gz
block: Introduce parents list
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block.c')
-rw-r--r--block.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block.c b/block.c
index a2d6238b82..980437f056 100644
--- a/block.c
+++ b/block.c
@@ -1090,6 +1090,7 @@ static BdrvChild *bdrv_attach_child(BlockDriverState *parent_bs,
};
QLIST_INSERT_HEAD(&parent_bs->children, child, next);
+ QLIST_INSERT_HEAD(&child_bs->parents, child, next_parent);
return child;
}
@@ -1097,6 +1098,7 @@ static BdrvChild *bdrv_attach_child(BlockDriverState *parent_bs,
void bdrv_detach_child(BdrvChild *child)
{
QLIST_REMOVE(child, next);
+ QLIST_REMOVE(child, next_parent);
g_free(child);
}
@@ -2038,6 +2040,7 @@ static void bdrv_move_reference_fields(BlockDriverState *bs_dest,
/* keep the same entry in bdrv_states */
bs_dest->device_list = bs_src->device_list;
bs_dest->blk = bs_src->blk;
+ bs_dest->parents = bs_src->parents;
memcpy(bs_dest->op_blockers, bs_src->op_blockers,
sizeof(bs_dest->op_blockers));