Zero = trim
Posted Aug 21, 2009 3:02 UTC (Fri) by foom
In reply to: Zero = trim
Parent article: The trouble with discard
But the point is that you wouldn't *actually* write the block of zeros to the flash. Since all
reads/writes to the flash disk go through a remapping layer, it would be trivial to treat all-zero
writes specially, and not write them out at all, but just mark them as zeroed in the block-map.
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