The DRBD driver

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/Documentation/blockdev/drbd/conn-states-8.dot b/Documentation/blockdev/drbd/conn-states-8.dot
new file mode 100644
index 00000000000..025e8cf5e64
--- /dev/null
+++ b/Documentation/blockdev/drbd/conn-states-8.dot
@@ -0,0 +1,18 @@
+digraph conn_states {
+        StandAllone  -> WFConnection   [ label = "ioctl_set_net()" ]
+        WFConnection -> Unconnected    [ label = "unable to bind()" ]
+        WFConnection -> WFReportParams [ label = "in connect() after accept" ]
+        WFReportParams -> StandAllone  [ label = "checks in receive_param()" ]
+        WFReportParams -> Connected    [ label = "in receive_param()" ]
+        WFReportParams -> WFBitMapS    [ label = "sync_handshake()" ]
+        WFReportParams -> WFBitMapT    [ label = "sync_handshake()" ]
+        WFBitMapS -> SyncSource        [ label = "receive_bitmap()" ]
+        WFBitMapT -> SyncTarget        [ label = "receive_bitmap()" ]
+        SyncSource -> Connected
+        SyncTarget -> Connected
+        SyncSource -> PausedSyncS
+        SyncTarget -> PausedSyncT
+        PausedSyncS -> SyncSource
+        PausedSyncT -> SyncTarget
+        Connected   -> WFConnection    [ label = "* on network error" ]
+}