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drbd: report congestion if we are waiting for some userland callback
If the drbd worker thread is synchronously waiting for some userland callback, we don't want some casual pageout to block on us. Have drbd_congested() report congestion in that case. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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Lars Ellenberg
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Philipp Reisner
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Jul 24, 2012
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