libbtrfsutil/python/filesystem.c

   1 /*
   2  * Copyright (C) 2018 Facebook
   3  *
   4  * This file is part of libbtrfsutil.
   5  *
   6  * libbtrfsutil is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * libbtrfsutil is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with libbtrfsutil.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "btrfsutilpy.h"
  21
  22 PyObject *filesystem_sync(PyObject *self, PyObject *args, PyObject *kwds)
  23 {
  24         static char *keywords[] = {"path", NULL};
  25         struct path_arg path = {.allow_fd = true};
  26         enum btrfs_util_error err;
  27
  28         if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&:sync", keywords,
  29                                          &path_converter, &path))
  30                 return NULL;
  31
  32         if (path.path)
  33                 err = btrfs_util_sync(path.path);
  34         else
  35                 err = btrfs_util_sync_fd(path.fd);
  36         if (err) {
  37                 SetFromBtrfsUtilErrorWithPath(err, &path);
  38                 path_cleanup(&path);
  39                 return NULL;
  40         }
  41
  42         path_cleanup(&path);
  43         Py_RETURN_NONE;
  44 }
  45
  46 PyObject *start_sync(PyObject *self, PyObject *args, PyObject *kwds)
  47 {
  48         static char *keywords[] = {"path", NULL};
  49         struct path_arg path = {.allow_fd = true};
  50         uint64_t transid;
  51         enum btrfs_util_error err;
  52
  53         if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&:start_sync", keywords,
  54                                          &path_converter, &path))
  55                 return NULL;
  56
  57         if (path.path)
  58                 err = btrfs_util_start_sync(path.path, &transid);
  59         else
  60                 err = btrfs_util_start_sync_fd(path.fd, &transid);
  61         if (err) {
  62                 SetFromBtrfsUtilErrorWithPath(err, &path);
  63                 path_cleanup(&path);
  64                 return NULL;
  65         }
  66
  67         path_cleanup(&path);
  68         return PyLong_FromUnsignedLongLong(transid);
  69 }
  70
  71 PyObject *wait_sync(PyObject *self, PyObject *args, PyObject *kwds)
  72 {
  73         static char *keywords[] = {"path", "transid", NULL};
  74         struct path_arg path = {.allow_fd = true};
  75         unsigned long long transid = 0;
  76         enum btrfs_util_error err;
  77
  78         if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&|K:wait_sync", keywords,
  79                                          &path_converter, &path, &transid))
  80                 return NULL;
  81
  82         if (path.path)
  83                 err = btrfs_util_wait_sync(path.path, transid);
  84         else
  85                 err = btrfs_util_wait_sync_fd(path.fd, transid);
  86         if (err) {
  87                 SetFromBtrfsUtilErrorWithPath(err, &path);
  88                 path_cleanup(&path);
  89                 return NULL;
  90         }
  91
  92         path_cleanup(&path);
  93         Py_RETURN_NONE;
  94 }