The DRBD driver

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

1 files changed, 16 insertions, 0 deletions

diff --git a/Documentation/blockdev/drbd/disk-states-8.dot b/Documentation/blockdev/drbd/disk-states-8.dot
new file mode 100644
index 000000000000..d06cfb46fb98
--- /dev/null
+++ b/Documentation/blockdev/drbd/disk-states-8.dot
@@ -0,0 +1,16 @@
+digraph disk_states {
+        Diskless -> Inconsistent       [ label = "ioctl_set_disk()" ]
+        Diskless -> Consistent         [ label = "ioctl_set_disk()" ]
+        Diskless -> Outdated           [ label = "ioctl_set_disk()" ]
+        Consistent -> Outdated         [ label = "receive_param()" ]
+        Consistent -> UpToDate         [ label = "receive_param()" ]
+        Consistent -> Inconsistent     [ label = "start resync" ]
+        Outdated   -> Inconsistent     [ label = "start resync" ]
+        UpToDate   -> Inconsistent     [ label = "ioctl_replicate" ]
+        Inconsistent -> UpToDate       [ label = "resync completed" ]
+        Consistent -> Failed           [ label = "io completion error" ]
+        Outdated   -> Failed           [ label = "io completion error" ]
+        UpToDate   -> Failed           [ label = "io completion error" ]
+        Inconsistent -> Failed         [ label = "io completion error" ]
+        Failed -> Diskless             [ label = "sending notify to peer" ]
+}