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authorPhilipp Reisner <philipp.reisner@linbit.com>2014-04-28 18:43:13 +0200
committerJens Axboe <axboe@fb.com>2014-04-30 13:46:54 -0600
commitd7fe69c6a1940c3f9c5bed08634b6dd868612cdf (patch)
treea58b3e1e0bd3c420e94b85d963e73e33d915dfeb /drivers/block/drbd/drbd_nl.c
parent31007745a5f328b8d70d865c4a6118be01421b8c (diff)
downloadblackbird-op-linux-d7fe69c6a1940c3f9c5bed08634b6dd868612cdf.tar.gz
blackbird-op-linux-d7fe69c6a1940c3f9c5bed08634b6dd868612cdf.zip
drbd: Leave IO suspended if the fence handler find the peer primary
Actually we are clearing the susp_fen flag if we are not going to call a fencing handler. For setting the susp_fen flag needs to be edge-triggerd, and not level triggered. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/drbd/drbd_nl.c')
-rw-r--r--drivers/block/drbd/drbd_nl.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 526414bc2cab..5ccbd7164c78 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -426,6 +426,14 @@ static enum drbd_fencing_p highest_fencing_policy(struct drbd_connection *connec
}
rcu_read_unlock();
+ if (fp == FP_NOT_AVAIL) {
+ /* IO Suspending works on the whole resource.
+ Do it only for one device. */
+ vnr = 0;
+ peer_device = idr_get_next(&connection->peer_devices, &vnr);
+ drbd_change_state(peer_device->device, CS_VERBOSE | CS_HARD, NS(susp_fen, 0));
+ }
+
return fp;
}
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