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| H A D | block.c | diff aad0b7a0bfbd6d200f617396c0d3b71ac7abfa40 Tue May 10 21:45:35 CDT 2016 Fam Zheng <famz@redhat.com> block: Inactivate all children
Currently we only inactivate the top BDS. Actually bdrv_inactivate
should be the opposite of bdrv_invalidate_cache.
Recurse into the whole subtree instead.
Because a node may have multiple parents, and because once
BDRV_O_INACTIVE is set for a node, further writes are not allowed, we
cannot interleave flag settings and .bdrv_inactivate calls (that may
submit write to other nodes in a graph) within a single pass. Therefore
two passes are used here.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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