On Wed, Oct 29, 2008 at 04:53:42PM +0100, Heinz Mauelshagen wrote:
> I'm arguing, that the kernel should only restrict to prevent against
> programming errors.
Indeed - but I'm asking where the existing constraint is coming
from and if it is still/was ever correct?
Also, this patch duplicates existing checks in _check_region_size()
that should be removed if the validation moves.
static inline int _check_region_size(struct dm_target *ti, uint32_t size)
{
return !(size % (PAGE_SIZE >> 9) || !is_power_of_2(size) ||
size > ti->len);
}
Alasdair
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