1 files changed, 70 insertions, 0 deletions
diff --git a/xlators/features/metadisp/src/metadisp-open.c b/xlators/features/metadisp/src/metadisp-open.c
new file mode 100644
index 00000000000..64814afe636
--- /dev/null
+++ b/xlators/features/metadisp/src/metadisp-open.c
@@ -0,0 +1,70 @@
+#include <glusterfs/call-stub.h>
+#include "metadisp.h"
+
+int32_t
+metadisp_open_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+                  int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata)
+{
+    METADISP_TRACE("got open results %d %d", op_ret, op_errno);
+
+    call_stub_t *stub = NULL;
+    if (cookie) {
+        stub = cookie;
+    }
+
+    if (op_ret != 0) {
+        goto unwind;
+    }
+
+    if (!stub) {
+        goto unwind;
+    }
+
+    if (stub->poison) {
+        call_stub_destroy(stub);
+        stub = NULL;
+        return 0;
+    }
+
+    call_resume(stub);
+    return 0;
+
+unwind:
+    if (stub) {
+        call_stub_destroy(stub);
+    }
+    STACK_UNWIND_STRICT(open, frame, op_ret, op_errno, fd, xdata);
+    return 0;
+}
+
+int32_t
+metadisp_open_resume(call_frame_t *frame, xlator_t *this, loc_t *loc,
+                     int32_t flags, fd_t *fd, dict_t *xdata)
+{
+    STACK_WIND_COOKIE(frame, metadisp_open_cbk, NULL, DATA_CHILD(this),
+                      DATA_CHILD(this)->fops->open, loc, flags, fd, xdata);
+    return 0;
+}
+
+int32_t
+metadisp_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+              fd_t *fd, dict_t *xdata)
+{
+    call_stub_t *stub = NULL;
+    loc_t backend_loc = {
+        0,
+    };
+
+    if (build_backend_loc(loc->gfid, loc, &backend_loc)) {
+        goto unwind;
+    }
+
+    stub = fop_open_stub(frame, metadisp_open_resume, &backend_loc, flags, fd,
+                         xdata);
+    STACK_WIND_COOKIE(frame, metadisp_open_cbk, stub, METADATA_CHILD(this),
+                      METADATA_CHILD(this)->fops->open, loc, flags, fd, xdata);
+    return 0;
+unwind:
+    STACK_UNWIND_STRICT(open, frame, -1, EINVAL, NULL, NULL);
+    return 0;
+}