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authorPhilipp Reisner <philipp.reisner@linbit.com>2011-03-29 14:21:03 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2012-11-08 16:45:05 +0100
commit19f83c76616a0c2112943b5af65483e16a1986da (patch)
treebe91728f260bfdb60a9b2d7baf4b4d1e39080742 /drivers/block/drbd/drbd_state.c
parent8c7e16c39ffe77438906ff9d6196a80d171e9e32 (diff)
downloadlinux-19f83c76616a0c2112943b5af65483e16a1986da.tar.gz
drbd: Implemented conn_lowest_conn()
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_state.c')
-rw-r--r--drivers/block/drbd/drbd_state.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 0ce665366d69..36703fee3b0c 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -133,6 +133,18 @@ enum drbd_disk_state conn_highest_pdsk(struct drbd_tconn *tconn)
return ds;
}
+enum drbd_conns conn_lowest_conn(struct drbd_tconn *tconn)
+{
+ enum drbd_conns conn = C_MASK;
+ struct drbd_conf *mdev;
+ int vnr;
+
+ idr_for_each_entry(&tconn->volumes, mdev, vnr)
+ conn = min_t(enum drbd_conns, conn, mdev->state.conn);
+
+ return conn;
+}
+
/**
* cl_wide_st_chg() - true if the state change is a cluster wide one
* @mdev: DRBD device.