forked from Mirrors/btrfs-progs
115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/*
|
|
* Copyright (C) 2018 Facebook
|
|
*
|
|
* This file is part of libbtrfsutil.
|
|
*
|
|
* libbtrfsutil is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* libbtrfsutil is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with libbtrfsutil. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "btrfsutilpy.h"
|
|
|
|
static void QgroupInherit_dealloc(QgroupInherit *self)
|
|
{
|
|
btrfs_util_destroy_qgroup_inherit(self->inherit);
|
|
Py_TYPE(self)->tp_free((PyObject *)self);
|
|
}
|
|
|
|
static int QgroupInherit_init(QgroupInherit *self, PyObject *args,
|
|
PyObject *kwds)
|
|
{
|
|
static char *keywords[] = {NULL};
|
|
enum btrfs_util_error err;
|
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kwds, ":QgroupInherit",
|
|
keywords))
|
|
return -1;
|
|
|
|
err = btrfs_util_create_qgroup_inherit(0, &self->inherit);
|
|
if (err) {
|
|
SetFromBtrfsUtilError(err);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static PyObject *QgroupInherit_getattro(QgroupInherit *self, PyObject *nameobj)
|
|
{
|
|
const char *name = "";
|
|
|
|
if (PyUnicode_Check(nameobj)) {
|
|
name = PyUnicode_AsUTF8(nameobj);
|
|
if (!name)
|
|
return NULL;
|
|
}
|
|
|
|
if (strcmp(name, "groups") == 0) {
|
|
const uint64_t *arr;
|
|
size_t n;
|
|
|
|
btrfs_util_qgroup_inherit_get_groups(self->inherit, &arr, &n);
|
|
|
|
return list_from_uint64_array(arr, n);
|
|
} else {
|
|
return PyObject_GenericGetAttr((PyObject *)self, nameobj);
|
|
}
|
|
}
|
|
|
|
static PyObject *QgroupInherit_add_group(QgroupInherit *self, PyObject *args,
|
|
PyObject *kwds)
|
|
{
|
|
static char *keywords[] = {"qgroupid", NULL};
|
|
enum btrfs_util_error err;
|
|
uint64_t qgroupid;
|
|
|
|
if (!PyArg_ParseTupleAndKeywords(args, kwds, "K:add_group", keywords,
|
|
&qgroupid))
|
|
return NULL;
|
|
|
|
err = btrfs_util_qgroup_inherit_add_group(&self->inherit, qgroupid);
|
|
if (err) {
|
|
SetFromBtrfsUtilError(err);
|
|
return NULL;
|
|
}
|
|
|
|
Py_RETURN_NONE;
|
|
}
|
|
|
|
static PyMethodDef QgroupInherit_methods[] = {
|
|
{"add_group", (PyCFunction)QgroupInherit_add_group,
|
|
METH_VARARGS | METH_KEYWORDS,
|
|
"add_group(qgroupid)\n\n"
|
|
"Add a qgroup to inherit from.\n\n"
|
|
"Arguments:\n"
|
|
"qgroupid -- ID of qgroup to add"},
|
|
{},
|
|
};
|
|
|
|
#define QgroupInherit_DOC \
|
|
"QgroupInherit() -> new qgroup inheritance specifier\n\n" \
|
|
"Create a new object which specifies what qgroups to inherit\n" \
|
|
"from for create_subvolume() and create_snapshot()"
|
|
|
|
PyTypeObject QgroupInherit_type = {
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
.tp_name = "btrfsutil.QgroupInherit",
|
|
.tp_basicsize = sizeof(QgroupInherit),
|
|
.tp_dealloc = (destructor)QgroupInherit_dealloc,
|
|
.tp_getattro = (getattrofunc)QgroupInherit_getattro,
|
|
.tp_flags = Py_TPFLAGS_DEFAULT,
|
|
.tp_doc = QgroupInherit_DOC,
|
|
.tp_methods = QgroupInherit_methods,
|
|
.tp_init = (initproc)QgroupInherit_init,
|
|
};
|