drbd: Revert "Make sure we dont send state if a cluster wide state change is in progress"

This reverts commit 6e9fdc92b77915d5c7ab8fea751f48378f8b0080.

1) This did not fixed the issue
2) Long sleeping work items can cause IO requests to take as long as
   the longest work item

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

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index ae995ed0e6f917eaadaa7fa119d6090355c37b94..f33ca43659e21a740a849746e797c1f1efb26670 100644 (file)
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -951,10 +951,6 @@ int drbd_send_state(struct drbd_conf *mdev)
        struct p_state p;
        int ok = 0;
 
-       /* Grab state lock so we wont send state if we're in the middle
-        * of a cluster wide state change on another thread */
-       drbd_state_lock(mdev);
-
        mutex_lock(&mdev->tconn->data.mutex);
 
        p.state = cpu_to_be32(mdev->state.i); /* Within the send mutex */
@@ -966,7 +962,6 @@ int drbd_send_state(struct drbd_conf *mdev)
 
        mutex_unlock(&mdev->tconn->data.mutex);
 
-       drbd_state_unlock(mdev);
        return ok;
 }