[dm-devel] sparse target
Joe Thornber
joe at fib011235813.fsnet.co.uk
Mon Dec 16 04:25:03 UTC 2002
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
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