ceph: initialize rbd block pool after creation

This is done in order to prevent deadlock when parallel
PVC create requests are issued on a new uninitialized
rbd block pool due to https://tracker.ceph.com/issues/52537.

Fixes: rook#8696

Signed-off-by: Rakshith R <rar@redhat.com>

pkg/daemon/ceph/client/pool.go

@@ -357,6 +357,12 @@ func CreateECPoolForApp(context *clusterd.Context, clusterInfo *ClusterInfo, poo
 		return errors.Wrapf(err, "failed to create EC pool %s. %s", poolName, string(output))
 	}
 
+	args = []string{"pool", "init", poolName}
+	output, err = NewRBDCommand(context, clusterInfo, args).Run()
+	if err != nil {
+		return errors.Wrapf(err, "failed to initialize EC pool %s. %s", poolName, string(output))
+	}
+
 	if enableECOverwrite {
 		if err = SetPoolProperty(context, clusterInfo, poolName, "allow_ec_overwrites", "true"); err != nil {
 			return errors.Wrapf(err, "failed to allow EC overwrite for pool %s", poolName)
@@ -406,6 +412,12 @@ func CreateReplicatedPoolForApp(context *clusterd.Context, clusterInfo *ClusterI
 		return errors.Wrapf(err, "failed to create replicated pool %s. %s", poolName, string(output))
 	}
 
+	args = []string{"pool", "init", poolName}
+	output, err = NewRBDCommand(context, clusterInfo, args).Run()
+	if err != nil {
+		return errors.Wrapf(err, "failed to initialize replicated pool %s. %s", poolName, string(output))
+	}
+
 	if !clusterSpec.IsStretchCluster() {
 		// the pool is type replicated, set the size for the pool now that it's been created
 		if err := SetPoolReplicatedSizeProperty(context, clusterInfo, poolName, strconv.FormatUint(uint64(pool.Replicated.Size), 10)); err != nil {