libbtrfsutil: add btrfs_util_[gs]et_read_only()

[platform/upstream/btrfs-progs.git] / libbtrfsutil / python / subvolume.c

diff --git a/libbtrfsutil/python/subvolume.c b/libbtrfsutil/python/subvolume.c
index 31b6ca2..7648786 100644 (file)
--- a/libbtrfsutil/python/subvolume.c
+++ b/libbtrfsutil/python/subvolume.c
@@ -215,6 +215,61 @@ PyStructSequence_Desc SubvolumeInfo_desc = {
 
 PyTypeObject SubvolumeInfo_type;
 
+PyObject *get_subvolume_read_only(PyObject *self, PyObject *args, PyObject *kwds)
+{
+       static char *keywords[] = {"path", NULL};
+       struct path_arg path = {.allow_fd = true};
+       enum btrfs_util_error err;
+       bool read_only;
+
+       if (!PyArg_ParseTupleAndKeywords(args, kwds,
+                                        "O&:get_subvolume_read_only",
+                                        keywords, &path_converter, &path))
+               return NULL;
+
+       if (path.path) {
+               err = btrfs_util_get_subvolume_read_only(path.path, &read_only);
+       } else {
+               err = btrfs_util_get_subvolume_read_only_fd(path.fd,
+                                                           &read_only);
+       }
+       if (err) {
+               SetFromBtrfsUtilErrorWithPath(err, &path);
+               path_cleanup(&path);
+               return NULL;
+       }
+
+       path_cleanup(&path);
+       return PyBool_FromLong(read_only);
+}
+
+PyObject *set_subvolume_read_only(PyObject *self, PyObject *args, PyObject *kwds)
+{
+       static char *keywords[] = {"path", "read_only", NULL};
+       struct path_arg path = {.allow_fd = true};
+       enum btrfs_util_error err;
+       int read_only = 1;
+
+       if (!PyArg_ParseTupleAndKeywords(args, kwds,
+                                        "O&|p:set_subvolume_read_only",
+                                        keywords, &path_converter, &path,
+                                        &read_only))
+               return NULL;
+
+       if (path.path)
+               err = btrfs_util_set_subvolume_read_only(path.path, read_only);
+       else
+               err = btrfs_util_set_subvolume_read_only_fd(path.fd, read_only);
+       if (err) {
+               SetFromBtrfsUtilErrorWithPath(err, &path);
+               path_cleanup(&path);
+               return NULL;
+       }
+
+       path_cleanup(&path);
+       Py_RETURN_NONE;
+}
+
 PyObject *create_subvolume(PyObject *self, PyObject *args, PyObject *kwds)
 {
        static char *keywords[] = {"path", "async", "qgroup_inherit", NULL};