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由 Kevin Wolf 提交于
When reopening an image, the block layer already takes care to reopen bs->file as well with recalculated inherited flags. The same must happen for any other child (most notably missing before this patch: backing files). If bs->file (or any other child) didn't originally inherit from bs, e.g. because it was created separately and then only referenced, it must not inherit flags on reopen either, so check the inherited_from field before propagation the reopen down. VMDK already reopened its extents manually; this code can now be dropped. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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