drbd: fix various disconnecting races

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If an admin requests disconnect at a time when the state handling
already disconnects/reconnects, there have been some races.

Make sure to always really stop the network threads before
returning success for disconnect. Do not pretend successfull
forced disconnect, if the state handling returned an error.

Return success from drbd_adm_down() only after all threads are finished.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

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This commit is contained in:

Lars Ellenberg 2011-04-27 10:25:28 +02:00 • committed by Philipp Reisner

parent 5ee743e92d

commit d9cc6e2318

3 changed files with 26 additions and 17 deletions

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21

drivers/block/drbd/drbd_nl.c

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2

drivers/block/drbd/drbd_receiver.c

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20

drivers/block/drbd/drbd_state.c

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