Re: [dm-devel] sparse target

[Joe Thornber <joe fib011235813 fsnet co uk>]

On Mon, Dec 16, 2002 at 10:31:56AM +0100, Heinz J . Mauelshagen wrote:
> 1b. If it's read-write sparse it must allocate storage dynamically on
>     writes kicking of a user space allocator waiting for those writes
>     on a table event queue, right?

I presume it is given a preallocated LV that it fills up as
neccessary, in much the same way that a snapshot fills up the COW
device.  Of course userland will need to be involved when this backing
device begins to fill up.

- Joe