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linux-next/drivers/block/drbd
Philipp Reisner 80c6eed49d drbd: More random to the connect logic
Since the listening socket is open all the time, it was possible to
get into stable "initial packet S crossed" loops.

* when both sides realize in the drbd_socket_okay() call at the end
  of the loop that the other side closed the main socket you had
  the chance to get into a stable loop with repeated "packet S crossed"
  messages.

* when both sides do not realize with the drbd_socket_okay() call at the end
  of the loop that the other side closed the main socket you had
  the chance to get into a stable loop with alternating "packet S crossed"
  "packet M crossed" messages.

In order to break out these stable loops randomize the behaviour if
such a crossing of P_INITIAL_DATA or P_INITIAL_META packets is detected.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2012-11-09 14:05:46 +01:00
..
drbd_actlog.c drbd: announce FLUSH/FUA capability to upper layers 2012-11-09 14:05:44 +01:00
drbd_bitmap.c drbd: differentiate between normal and forced detach 2012-11-08 16:58:39 +01:00
drbd_int.h drbd: introduce stop-sector to online verify 2012-11-09 14:05:32 +01:00
drbd_interval.c drbd: Iterate over all overlapping intervals in a tree 2011-10-14 16:47:37 +02:00
drbd_interval.h drbd: Iterate over all overlapping intervals in a tree 2011-10-14 16:47:37 +02:00
drbd_main.c drbd: announce FLUSH/FUA capability to upper layers 2012-11-09 14:05:44 +01:00
drbd_nl.c drbd: pass some more information to userspace. 2012-11-09 14:05:45 +01:00
drbd_nla.c drbd: Split off netlink mandatory attribute handling into separate file 2012-11-08 16:57:45 +01:00
drbd_nla.h drbd: Split off netlink mandatory attribute handling into separate file 2012-11-08 16:57:45 +01:00
drbd_proc.c drbd: introduce stop-sector to online verify 2012-11-09 14:05:32 +01:00
drbd_receiver.c drbd: More random to the connect logic 2012-11-09 14:05:46 +01:00
drbd_req.c drbd: announce FLUSH/FUA capability to upper layers 2012-11-09 14:05:44 +01:00
drbd_req.h drbd: allow read requests to be retried after force-detach 2012-11-08 16:58:37 +01:00
drbd_state.c drbd: introduce stop-sector to online verify 2012-11-09 14:05:32 +01:00
drbd_state.h drbd: Improved logging of state changes 2012-11-08 16:45:06 +01:00
drbd_strings.c drbd: Allow volumes to become primary only on one side 2012-11-04 00:16:31 +01:00
drbd_vli.h Fix common misspellings 2011-03-31 11:26:23 -03:00
drbd_worker.c drbd: introduce stop-sector to online verify 2012-11-09 14:05:32 +01:00
drbd_wrappers.h drbd: Split off netlink mandatory attribute handling into separate file 2012-11-08 16:57:45 +01:00
Kconfig drbd: Kconfig fix 2009-12-29 17:38:28 +01:00
Makefile drbd: Split off netlink mandatory attribute handling into separate file 2012-11-08 16:57:45 +01:00