On Thu, 6 Dec 2007 16:04:41 -0800
Daniel Phillips <[EMAIL PROTECTED]> wrote:
> The runner up key idea is that we will gain a notion of "block device
> stack" (or block stack for short, so that we may implement block
> stackers) which for the time being will simply be Device Mapper's
> notion of device stack, however many warts that may have. It's there
> now and we use it for ddsnap.
Perhaps all we need to track is the outermost point?
submit_bio(...)
{
bool remove_the_rq = false;
...
if (current->the_rq == NULL) {
current->the_rq = rq;
remove_the_rq = true;
}
...
if (remove_the_rq)
current->the_rq = NULL;
}
?
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