libbtrfsutil: add btrfs_util_deleted_subvolumes()

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

diff --git a/libbtrfsutil/python/module.c b/libbtrfsutil/python/module.c
index fe25f4b..2dbdc7b 100644 (file)
--- a/libbtrfsutil/python/module.c
+++ b/libbtrfsutil/python/module.c
@@ -125,6 +125,29 @@ err:
        return 0;
 }
 
+PyObject *list_from_uint64_array(const uint64_t *arr, size_t n)
+{
+    PyObject *ret;
+    size_t i;
+
+    ret = PyList_New(n);
+    if (!ret)
+           return NULL;
+
+    for (i = 0; i < n; i++) {
+           PyObject *tmp;
+
+           tmp = PyLong_FromUnsignedLongLong(arr[i]);
+           if (!tmp) {
+                   Py_DECREF(ret);
+                   return NULL;
+           }
+           PyList_SET_ITEM(ret, i, tmp);
+    }
+
+    return ret;
+}
+
 void path_cleanup(struct path_arg *path)
 {
        Py_CLEAR(path->object);
@@ -235,6 +258,13 @@ static PyMethodDef btrfsutil_methods[] = {
         "path -- string, bytes, or path-like object\n"
         "recursive -- if the given subvolume has child subvolumes, delete\n"
         "them instead of failing"},
+       {"deleted_subvolumes", (PyCFunction)deleted_subvolumes,
+        METH_VARARGS | METH_KEYWORDS,
+        "deleted_subvolumes(path)\n\n"
+        "Get the list of subvolume IDs which have been deleted but not yet\n"
+        "cleaned up\n\n"
+        "Arguments:\n"
+        "path -- string, bytes, path-like object, or open file descriptor"},
        {},
 };