drbd: report congestion if we are waiting for some userland callback

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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 2012-07-30 09:08:25 +02:00 • committed by Philipp Reisner

parent 0c84966601

commit 6f3465ed82

3 changed files with 30 additions and 1 deletions

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6

drivers/block/drbd/drbd_int.h

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16

drivers/block/drbd/drbd_main.c

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9

drivers/block/drbd/drbd_nl.c

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