hw/9pfs: Add yield support to mknod coroutine

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

diff --git a/hw/9pfs/cofs.c b/hw/9pfs/cofs.c
index 7e9df852c56c4480f89587fb2200f8e40c79781e..6fcedd8400850b6f2e9056ce2f6fcff8b55c44a1 100644 (file)
--- a/hw/9pfs/cofs.c
+++ b/hw/9pfs/cofs.c
@@ -120,3 +120,24 @@ int v9fs_co_truncate(V9fsState *s, V9fsString *path, off_t size)
         });
     return err;
 }
+
+int v9fs_co_mknod(V9fsState *s, V9fsString *path, uid_t uid,
+                  gid_t gid, dev_t dev, mode_t mode)
+{
+    int err;
+    FsCred cred;
+
+    cred_init(&cred);
+    cred.fc_uid  = uid;
+    cred.fc_gid  = gid;
+    cred.fc_mode = mode;
+    cred.fc_rdev = dev;
+    v9fs_co_run_in_worker(
+        {
+            err = s->ops->mknod(&s->ctx, path->data, &cred);
+            if (err < 0) {
+                err = -errno;
+            }
+        });
+    return err;
+}

diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h
index eb0c99a648d7a9e6ad011e58c98f0adf5ba05f39..d02368306e5fdc34d16692c45c864ba6c784f4ec 100644 (file)
--- a/hw/9pfs/virtio-9p-coth.h
+++ b/hw/9pfs/virtio-9p-coth.h
@@ -71,4 +71,6 @@ extern int v9fs_co_truncate(V9fsState *, V9fsString *, off_t);
 extern int v9fs_co_llistxattr(V9fsState *, V9fsString *, void *, size_t);
 extern int v9fs_co_lgetxattr(V9fsState *, V9fsString *,
                              V9fsString *, void *, size_t);
+extern int v9fs_co_mknod(V9fsState *, V9fsString *, uid_t,
+                         gid_t, dev_t, mode_t);
 #endif