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| H A D | block.c | diff dcf3f9b268a5c04bd94d721b81774092d7170cc4 Wed Jun 12 10:34:45 CDT 2019 Max Reitz <mreitz@redhat.com> block: Use CAFs when working with backing chains
Use child access functions when iterating through backing chains so
filters do not break the chain.
In addition, bdrv_find_overlay() will now always return the actual
overlay; that is, it will never return a filter node but only one with a
COW backing file (there may be filter nodes between that node and @bs).
Signed-off-by: Max Reitz <mreitz@redhat.com>
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