On 21/01/11 17:20, Rodney Beede wrote:
> Any tools to go about zeroing about the free space on a btrfs file
> system so I can shrink the VMware vmdk virtual disk?
>
> I ran the VMware command, but the dynamic disk is still really big.  I
> presume it is due to free space that isn't zeroed out.
Does btrfs issue TRIM commands to the underlying (virtual) block device?

I guess not yet, as otherwise you would not see this problem, as your
virtual storage device should catch them and discard the corresponding
virtual storage blocks.

-- 
David Pottage

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