Hello.
Andreas Dilger wrote:
> Why would you fill the buffer with 0xff instead of 0?
> In fact no such program is needed, just "dd if=/dev/zero of=/{fs}/tmp"
> and then delete the file.
>
To avoid that the /{fs}/tmp is created as a sparse file.
I want to clear not only not-in-use blocks but also in-use blocks,
while keeping files in /{fs}/tmp intact.
Regards.
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