[ovs-git] Open vSwitch: bridge: Refactor bridge_reconfigure(). (branch-1.6)

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commit f9bb81ec3c306f968c668ad87783420377a1753f
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=f9bb81ec3c306f968c668ad87783420377a1753f
Author: Ethan Jackson <ethan at nicira.com>
		
bridge: Refactor bridge_reconfigure().
		
The existing bridge_reconfigure() implementation is suboptimal.
When adding lots of new ports, on every pass through the run loop
it allocates a bunch of "struct iface"s and "struct port"s, only to
destroy them when out of time.  Additionally, when there are errors
adding or deleting ports, it can fail to converge.  Instead it will
attempt and fail to add the same set of ports forever.

This patch rewrites bridge_reconfigure() using a new strategy.
Whenever the database changes, some initial bookkeeping is done,
and a list of future work is compiled.  The bridge begins whittling
down this list, and stops processing database changes until
finished.

Bug #10902.
Signed-off-by: Ethan Jackson <ethan at nicira.com>


commit 0cbc096648c18dd6c374a0f1eb11f9b3a604e634
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=0cbc096648c18dd6c374a0f1eb11f9b3a604e634
Author: Ethan Jackson <ethan at nicira.com>
		
vswitchd: Remove unused 'tag' from 'struct iface'.
		
Signed-off-by: Ethan Jackson <ethan at nicira.com>


-----------------------------------------------------------------------

Summary of changes:
 vswitchd/bridge.c |  811 +++++++++++++++++++++++++++++------------------------
 1 files changed, 440 insertions(+), 371 deletions(-)


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