Zach Brown 0c67dd51ef Forget freed btree blocks ...

When the btree stops referencing a block and frees it we can also forget
it so that it isn't uselessly written to disk.

Callers who forget are careful to only unlock and release the block ref
after freeing it.  They won't be confused if something allocates the
block and starts using it.

Signed-off-by: Zach Brown <zab@versity.com>
Reviewed-by: Mark Fasheh <mfasheh@versity.com>

2016-11-16 14:45:07 -08:00

kmod

Forget freed btree blocks

2016-11-16 14:45:07 -08:00

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