Queue upcall locking (was: [dm-devel] [RFC][PATCH] fix dm_any_congested() to properly sync up with suspend code path)

[Alasdair G Kergon]

On Mon, Nov 10, 2008 at 03:26:50PM +0100, Peter Zijlstra wrote:
> Fix the infrastructure by adding a function call so that you can have
> the individual devices report their congestion state to the aggregate.
 
Which requires knowing/accessing some device hierarchy, which would be nice
for other things too (like propagation of notification of changes to device
properties such as size, hardsect size etc.).

Alasdair
-- 
agk at redhat.com