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-rw-r--r--drivers/block/drbd/drbd_int.h1
-rw-r--r--drivers/block/drbd/drbd_nl.c2
-rw-r--r--drivers/block/drbd/drbd_worker.c28
3 files changed, 28 insertions, 3 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index c5dbc85c9b4f..5ee8da325825 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1494,6 +1494,7 @@ extern enum drbd_state_rv drbd_set_role(struct drbd_device *device,
int force);
extern bool conn_try_outdate_peer(struct drbd_connection *connection);
extern void conn_try_outdate_peer_async(struct drbd_connection *connection);
+extern int conn_khelper(struct drbd_connection *connection, char *cmd);
extern int drbd_khelper(struct drbd_device *device, char *cmd);
/* drbd_worker.c */
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 12e9b31c7d87..4a4eb80621ef 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -387,7 +387,7 @@ int drbd_khelper(struct drbd_device *device, char *cmd)
return ret;
}
-static int conn_khelper(struct drbd_connection *connection, char *cmd)
+int conn_khelper(struct drbd_connection *connection, char *cmd)
{
char *envp[] = { "HOME=/",
"TERM=linux",
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 154dbfc61aff..8cc2ffbfadb2 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -840,6 +840,7 @@ static void ping_peer(struct drbd_device *device)
int drbd_resync_finished(struct drbd_device *device)
{
+ struct drbd_connection *connection = first_peer_device(device)->connection;
unsigned long db, dt, dbdt;
unsigned long n_oos;
union drbd_state os, ns;
@@ -861,8 +862,7 @@ int drbd_resync_finished(struct drbd_device *device)
if (dw) {
dw->w.cb = w_resync_finished;
dw->device = device;
- drbd_queue_work(&first_peer_device(device)->connection->sender_work,
- &dw->w);
+ drbd_queue_work(&connection->sender_work, &dw->w);
return 1;
}
drbd_err(device, "Warn failed to drbd_rs_del_all() and to kmalloc(dw).\n");
@@ -975,6 +975,30 @@ int drbd_resync_finished(struct drbd_device *device)
_drbd_set_state(device, ns, CS_VERBOSE, NULL);
out_unlock:
spin_unlock_irq(&device->resource->req_lock);
+
+ /* If we have been sync source, and have an effective fencing-policy,
+ * once *all* volumes are back in sync, call "unfence". */
+ if (os.conn == C_SYNC_SOURCE) {
+ enum drbd_disk_state disk_state = D_MASK;
+ enum drbd_disk_state pdsk_state = D_MASK;
+ enum drbd_fencing_p fp = FP_DONT_CARE;
+
+ rcu_read_lock();
+ fp = rcu_dereference(device->ldev->disk_conf)->fencing;
+ if (fp != FP_DONT_CARE) {
+ struct drbd_peer_device *peer_device;
+ int vnr;
+ idr_for_each_entry(&connection->peer_devices, peer_device, vnr) {
+ struct drbd_device *device = peer_device->device;
+ disk_state = min_t(enum drbd_disk_state, disk_state, device->state.disk);
+ pdsk_state = min_t(enum drbd_disk_state, pdsk_state, device->state.pdsk);
+ }
+ }
+ rcu_read_unlock();
+ if (disk_state == D_UP_TO_DATE && pdsk_state == D_UP_TO_DATE)
+ conn_khelper(connection, "unfence-peer");
+ }
+
put_ldev(device);
out:
device->rs_total = 0;