2 * Copyright (C) 2018 Facebook
4 * This file is part of libbtrfsutil.
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.
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.
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/>.
23 #include <sys/ioctl.h>
24 #include <linux/btrfs.h>
26 #include "btrfsutil_internal.h"
28 PUBLIC enum btrfs_util_error btrfs_util_sync(const char *path)
30 enum btrfs_util_error err;
33 fd = open(path, O_RDONLY);
35 return BTRFS_UTIL_ERROR_OPEN_FAILED;
37 err = btrfs_util_sync_fd(fd);
38 SAVE_ERRNO_AND_CLOSE(fd);
42 PUBLIC enum btrfs_util_error btrfs_util_sync_fd(int fd)
46 ret = ioctl(fd, BTRFS_IOC_SYNC, NULL);
48 return BTRFS_UTIL_ERROR_SYNC_FAILED;
53 PUBLIC enum btrfs_util_error btrfs_util_start_sync(const char *path,
56 enum btrfs_util_error err;
59 fd = open(path, O_RDONLY);
61 return BTRFS_UTIL_ERROR_OPEN_FAILED;
63 err = btrfs_util_start_sync_fd(fd, transid);
64 SAVE_ERRNO_AND_CLOSE(fd);
68 PUBLIC enum btrfs_util_error btrfs_util_start_sync_fd(int fd, uint64_t *transid)
72 ret = ioctl(fd, BTRFS_IOC_START_SYNC, transid);
74 return BTRFS_UTIL_ERROR_START_SYNC_FAILED;
79 PUBLIC enum btrfs_util_error btrfs_util_wait_sync(const char *path,
82 enum btrfs_util_error err;
85 fd = open(path, O_RDONLY);
87 return BTRFS_UTIL_ERROR_OPEN_FAILED;
89 err = btrfs_util_wait_sync_fd(fd, transid);
90 SAVE_ERRNO_AND_CLOSE(fd);
94 PUBLIC enum btrfs_util_error btrfs_util_wait_sync_fd(int fd, uint64_t transid)
98 ret = ioctl(fd, BTRFS_IOC_WAIT_SYNC, &transid);
100 return BTRFS_UTIL_ERROR_WAIT_SYNC_FAILED;
102 return BTRFS_UTIL_OK;