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Serapheim Dimitropoulos
a377bde727
Update the logic to handle the dedup-case of consecutive FREEs in the livelist code. The logic still ensures that all the FREE entries are matched up with a respective ALLOC by keeping a refcount for each FREE blkptr that we encounter and ensuring that this refcount gets to zero by the time we are done processing the livelist. zdb -y no longer panics when encountering double frees Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Don Brady <don.brady@delphix.com> Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com> Closes #11480 Closes #12177