>TXG action >5 write of first block of File A, assigned DVA 5, birth TXG 5 >10 file A is deleted >15 write to first block of File B, assigned DVA 5 birth TXG 15 > >The two blocks are distinct, and are cached seperately in the ARC.
Once the file is deleted, ARC entry {dva 5 txg 5} is no longer valid.
So why do we need it?
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