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/*
* 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 <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include "btrfsutil_internal.h"
PUBLIC enum btrfs_util_error btrfs_util_sync(const char *path)
{
enum btrfs_util_error err;
int fd;
fd = open(path, O_RDONLY);
if (fd == -1)
return BTRFS_UTIL_ERROR_OPEN_FAILED;
err = btrfs_util_sync_fd(fd);
SAVE_ERRNO_AND_CLOSE(fd);
return err;
}
PUBLIC enum btrfs_util_error btrfs_util_sync_fd(int fd)
{
int ret;
ret = ioctl(fd, BTRFS_IOC_SYNC, NULL);
if (ret == -1)
return BTRFS_UTIL_ERROR_SYNC_FAILED;
return BTRFS_UTIL_OK;
}
PUBLIC enum btrfs_util_error btrfs_util_start_sync(const char *path,
uint64_t *transid)
{
enum btrfs_util_error err;
int fd;
fd = open(path, O_RDONLY);
if (fd == -1)
return BTRFS_UTIL_ERROR_OPEN_FAILED;
err = btrfs_util_start_sync_fd(fd, transid);
SAVE_ERRNO_AND_CLOSE(fd);
return err;
}
PUBLIC enum btrfs_util_error btrfs_util_start_sync_fd(int fd, uint64_t *transid)
{
int ret;
ret = ioctl(fd, BTRFS_IOC_START_SYNC, transid);
if (ret == -1)
return BTRFS_UTIL_ERROR_START_SYNC_FAILED;
return BTRFS_UTIL_OK;
}
PUBLIC enum btrfs_util_error btrfs_util_wait_sync(const char *path,
uint64_t transid)
{
enum btrfs_util_error err;
int fd;
fd = open(path, O_RDONLY);
if (fd == -1)
return BTRFS_UTIL_ERROR_OPEN_FAILED;
err = btrfs_util_wait_sync_fd(fd, transid);
SAVE_ERRNO_AND_CLOSE(fd);
return err;
}
PUBLIC enum btrfs_util_error btrfs_util_wait_sync_fd(int fd, uint64_t transid)
{
int ret;
ret = ioctl(fd, BTRFS_IOC_WAIT_SYNC, &transid);
if (ret == -1)
return BTRFS_UTIL_ERROR_WAIT_SYNC_FAILED;
return BTRFS_UTIL_OK;
}
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