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(parent: 8c7bc7f) | patch
drbd: report congestion if we are waiting for some userland callback
authorLars Ellenberg <lars.ellenberg@linbit.com>
Thu, 14 Jun 2012 13:14:06 +0000 (15:14 +0200)
committerPhilipp Reisner <philipp.reisner@linbit.com>
Tue, 24 Jul 2012 12:07:18 +0000 (14:07 +0200)
commit1be28f8cfbc5fbf412cf3c80a51501f70b4121dd
tree666920e336f5e85cdf4d03ecafa165c6a65743a4tree | snapshot
parent8c7bc7f77661ede91e447dcc680f1142d244c4efcommit | diff
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>
drivers/block/drbd/drbd_int.h diff | blob | history
drivers/block/drbd/drbd_main.c diff | blob | history
drivers/block/drbd/drbd_nl.c diff | blob | history
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