Re: [PATCH] mkfs: add discard support

Michael Monnerie
2009-10-07T06:05:06Z

On Mittwoch 07 Oktober 2009 Dave Chinner wrote:
> Good idea, but perhaps the discard should be optional rather than
> unconditional.  My immediate thought was the SOP for setting up
> encrypted devices - fill the empty disk with random data before
> setting up the encrypted device. If you then send it a discard....

You could change the order to
mkfs ; mount
dd if=/dev/urandom of=/encrytped/fill.dd
(one day the disk will be full)
sync ; rm /encrytped/fill.dd

That should fill the disk with random garbage too. Should be nearly the
same result, right?

mfg zmi
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