forked from Mirrors/btrfs-progs
133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/*
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* Copyright (C) 2018 Facebook
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*
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* This file is part of libbtrfsutil.
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*
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* libbtrfsutil is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* libbtrfsutil is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libbtrfsutil. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "btrfsutilpy.h"
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PyObject *is_subvolume(PyObject *self, PyObject *args, PyObject *kwds)
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{
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static char *keywords[] = {"path", NULL};
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struct path_arg path = {.allow_fd = true};
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enum btrfs_util_error err;
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if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&:is_subvolume",
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keywords, &path_converter, &path))
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return NULL;
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if (path.path)
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err = btrfs_util_is_subvolume(path.path);
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else
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err = btrfs_util_is_subvolume_fd(path.fd);
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if (err == BTRFS_UTIL_OK) {
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path_cleanup(&path);
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Py_RETURN_TRUE;
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} else if (err == BTRFS_UTIL_ERROR_NOT_BTRFS ||
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err == BTRFS_UTIL_ERROR_NOT_SUBVOLUME) {
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path_cleanup(&path);
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Py_RETURN_FALSE;
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} else {
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SetFromBtrfsUtilErrorWithPath(err, &path);
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path_cleanup(&path);
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return NULL;
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}
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}
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PyObject *subvolume_id(PyObject *self, PyObject *args, PyObject *kwds)
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{
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static char *keywords[] = {"path", NULL};
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struct path_arg path = {.allow_fd = true};
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enum btrfs_util_error err;
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uint64_t id;
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if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&:subvolume_id",
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keywords, &path_converter, &path))
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return NULL;
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if (path.path)
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err = btrfs_util_subvolume_id(path.path, &id);
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else
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err = btrfs_util_subvolume_id_fd(path.fd, &id);
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if (err) {
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SetFromBtrfsUtilErrorWithPath(err, &path);
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path_cleanup(&path);
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return NULL;
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}
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path_cleanup(&path);
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return PyLong_FromUnsignedLongLong(id);
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}
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PyObject *subvolume_path(PyObject *self, PyObject *args, PyObject *kwds)
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{
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static char *keywords[] = {"path", "id", NULL};
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struct path_arg path = {.allow_fd = true};
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enum btrfs_util_error err;
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uint64_t id = 0;
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char *subvol_path;
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PyObject *ret;
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if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&|K:subvolume_path",
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keywords, &path_converter, &path, &id))
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return NULL;
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if (path.path)
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err = btrfs_util_subvolume_path(path.path, id, &subvol_path);
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else
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err = btrfs_util_subvolume_path_fd(path.fd, id, &subvol_path);
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if (err) {
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SetFromBtrfsUtilErrorWithPath(err, &path);
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path_cleanup(&path);
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return NULL;
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}
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path_cleanup(&path);
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ret = PyUnicode_DecodeFSDefault(subvol_path);
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free(subvol_path);
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return ret;
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}
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PyObject *create_subvolume(PyObject *self, PyObject *args, PyObject *kwds)
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{
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static char *keywords[] = {"path", "async", "qgroup_inherit", NULL};
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struct path_arg path = {.allow_fd = false};
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enum btrfs_util_error err;
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int async = 0;
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QgroupInherit *inherit = NULL;
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uint64_t transid;
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if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&|pO!:create_subvolume",
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keywords, &path_converter, &path,
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&async, &QgroupInherit_type, &inherit))
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return NULL;
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err = btrfs_util_create_subvolume(path.path, 0, async ? &transid : NULL,
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inherit ? inherit->inherit : NULL);
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if (err) {
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SetFromBtrfsUtilErrorWithPath(err, &path);
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path_cleanup(&path);
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return NULL;
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}
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path_cleanup(&path);
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if (async)
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return PyLong_FromUnsignedLongLong(transid);
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else
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Py_RETURN_NONE;
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}
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