Merge remote-tracking branch 'aneesh/for-upstream-6' into staging

[qemu.git] / hw / 9pfs / cofile.c

diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c
index 7ad4bec005d8fea37cdd0da91da7eacfdbf4c5a8..692811e5ab9e5fff5444b7ba8efe25a68404571d 100644 (file)
--- a/hw/9pfs/cofile.c
+++ b/hw/9pfs/cofile.c
@@ -17,6 +17,30 @@
 #include "qemu-coroutine.h"
 #include "virtio-9p-coth.h"
 
+int v9fs_co_st_gen(V9fsPDU *pdu, V9fsPath *path, mode_t st_mode,
+                   V9fsStatDotl *v9stat)
+{
+    int err = 0;
+    V9fsState *s = pdu->s;
+
+    if (v9fs_request_cancelled(pdu)) {
+        return -EINTR;
+    }
+    if (s->ctx.exops.get_st_gen) {
+        v9fs_path_read_lock(s);
+        v9fs_co_run_in_worker(
+            {
+                err = s->ctx.exops.get_st_gen(&s->ctx, path, st_mode,
+                                              &v9stat->st_gen);
+                if (err < 0) {
+                    err = -errno;
+                }
+            });
+        v9fs_path_unlock(s);
+    }
+    return err;
+}
+
 int v9fs_co_lstat(V9fsPDU *pdu, V9fsPath *path, struct stat *stbuf)
 {
     int err;