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authorFam Zheng <famz@redhat.com>2016-05-11 10:45:35 +0800
committerKevin Wolf <kwolf@redhat.com>2016-05-12 15:22:09 +0200
commitaad0b7a0bfbd6d200f617396c0d3b71ac7abfa40 (patch)
tree94285bdbdf58bbf65b008041f57972b3c2988112 /target-microblaze
parentc9e9e9c66cee9932fb28a41a4659aa421a7a3f78 (diff)
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>
Diffstat (limited to 'target-microblaze')
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