btrfs-progs/libbtrfsutil/python/filesystem.c
Omar Sandoval 9615c23d15 libbtrfsutil: add filesystem sync helpers
Namely, sync, start_sync, and wait_sync.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2018-02-24 01:37:17 +01:00

95 lines
2.5 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"
PyObject *filesystem_sync(PyObject *self, PyObject *args, PyObject *kwds)
{
static char *keywords[] = {"path", NULL};
struct path_arg path = {.allow_fd = true};
enum btrfs_util_error err;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&:sync", keywords,
&path_converter, &path))
return NULL;
if (path.path)
err = btrfs_util_sync(path.path);
else
err = btrfs_util_sync_fd(path.fd);
if (err) {
SetFromBtrfsUtilErrorWithPath(err, &path);
path_cleanup(&path);
return NULL;
}
path_cleanup(&path);
Py_RETURN_NONE;
}
PyObject *start_sync(PyObject *self, PyObject *args, PyObject *kwds)
{
static char *keywords[] = {"path", NULL};
struct path_arg path = {.allow_fd = true};
uint64_t transid;
enum btrfs_util_error err;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&:start_sync", keywords,
&path_converter, &path))
return NULL;
if (path.path)
err = btrfs_util_start_sync(path.path, &transid);
else
err = btrfs_util_start_sync_fd(path.fd, &transid);
if (err) {
SetFromBtrfsUtilErrorWithPath(err, &path);
path_cleanup(&path);
return NULL;
}
path_cleanup(&path);
return PyLong_FromUnsignedLongLong(transid);
}
PyObject *wait_sync(PyObject *self, PyObject *args, PyObject *kwds)
{
static char *keywords[] = {"path", "transid", NULL};
struct path_arg path = {.allow_fd = true};
unsigned long long transid = 0;
enum btrfs_util_error err;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&|K:wait_sync", keywords,
&path_converter, &path, &transid))
return NULL;
if (path.path)
err = btrfs_util_wait_sync(path.path, transid);
else
err = btrfs_util_wait_sync_fd(path.fd, transid);
if (err) {
SetFromBtrfsUtilErrorWithPath(err, &path);
path_cleanup(&path);
return NULL;
}
path_cleanup(&path);
Py_RETURN_NONE;
}