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| H A D | block.c | diff 7b99a26600ea4953f9eb9a0cc3aa4c84b19718cc Wed Jun 12 09:07:11 CDT 2019 Max Reitz <mreitz@redhat.com> block: Include filters when freezing backing chain
In order to make filters work in backing chains, the associated
functions must be able to deal with them and freeze both COW and filter
child links.
While at it, add some comments that note which functions require their
caller to ensure that a given child link is not frozen, and how the
callers do so.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
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