1 files changed, 29 insertions, 0 deletions
diff --git a/libglusterfs/src/syncop.c b/libglusterfs/src/syncop.c
index 866dca50e..c1620bb70 100644
--- a/libglusterfs/src/syncop.c
+++ b/libglusterfs/src/syncop.c
@@ -2173,6 +2173,35 @@ syncop_discard(xlator_t *subvol, fd_t *fd, off_t offset, size_t len)
         return args.op_ret;
 }
 
+int
+syncop_zerofill_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+                    int op_ret, int op_errno, struct iatt *prebuf,
+                    struct iatt *postbuf, dict_t *xdata)
+{
+        struct syncargs *args = NULL;
+
+        args = cookie;
+
+        args->op_ret   = op_ret;
+        args->op_errno = op_errno;
+
+        __wake (args);
+
+        return 0;
+}
+
+int
+syncop_zerofill(xlator_t *subvol, fd_t *fd, off_t offset, size_t len)
+{
+        struct syncargs args = {0, };
+
+        SYNCOP (subvol, (&args), syncop_zerofill_cbk, subvol->fops->zerofill,
+                fd, offset, len, NULL);
+
+        errno = args.op_errno;
+        return args.op_ret;
+}
+
 
 int
 syncop_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,