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Re: Make vnd(4) work on sparse files

On Fri, Jun 24, 2011 at 10:00:26PM +0200, J. Hannken-Illjes wrote:
> ... this time with a diff attached:
> With the attached diff vnd(4) devices will work on sparse files.
> - Make the strategy decision a device flag and set to VNF_USE_VN_RDWR for
>  files known to be sparse.

What will the consumer of the vnd (in the important case, Xen, I suppose)
see happen if there are no free blocks available when it writes into a


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