hw/9pfs: Add yield support to lstat coroutine
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c
new file mode 100644
index 0000000..a4c0ae7
--- /dev/null
+++ b/hw/9pfs/cofile.c
@@ -0,0 +1,32 @@
+
+/*
+ * Virtio 9p backend
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "fsdev/qemu-fsdev.h"
+#include "qemu-thread.h"
+#include "qemu-coroutine.h"
+#include "virtio-9p-coth.h"
+
+int v9fs_co_lstat(V9fsState *s, V9fsString *path, struct stat *stbuf)
+{
+ int err;
+
+ v9fs_co_run_in_worker(
+ {
+ err = s->ops->lstat(&s->ctx, path->data, stbuf);
+ if (err < 0) {
+ err = -errno;
+ }
+ });
+ return err;
+}
