1 files changed, 4 insertions, 1 deletions

diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index 4f29add0e7d1..90e5997262ea 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -267,7 +267,10 @@ void dlm_callback_work(struct work_struct *work)
 int dlm_callback_start(struct dlm_ls *ls)
 {
         ls->ls_callback_wq = alloc_workqueue("dlm_callback",
-                                             WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
+                                             WQ_UNBOUND |
+                                             WQ_MEM_RECLAIM |
+                                             WQ_NON_REENTRANT,
+                                             0);
         if (!ls->ls_callback_wq) {
                 log_print("can't start dlm_callback workqueue");
                 return -ENOMEM;