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Diffstat (limited to 'xlators/features/metadisp/src/metadisp-open.c')
-rw-r--r--xlators/features/metadisp/src/metadisp-open.c70
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 0000000..64814af
--- /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;
+}