btrfs-progs/libbtrfsutil/filesystem.c
David Sterba 27e965f538 libbtrfsutil: add aliases for new naming scheme, version 1.3
The initial version of libbtrfsutil did not follow a unified naming
scheme that's usually used for libraries like those provide by
util-linux. Add aliases that are "btrfs_util_" + object + action +
suffix.

The library version changes to 1.3 but there's no new functionality,
only the aliases added. New functions can be added in the future without
possible confusion when the same action could apply to different
objects.

Issue: #574
Signed-off-by: David Sterba <dsterba@suse.com>
2024-03-06 20:24:16 +01:00

115 lines
3.0 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 2.1 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 <stddef.h>
#include <stdint.h>
#include <fcntl.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_fs_sync(const char *path)
LIBBTRFSUTIL_ALIAS(btrfs_util_sync);
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_fs_sync_fd(int fd)
LIBBTRFSUTIL_ALIAS(btrfs_util_sync_fd);
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_fs_start_sync(const char *path, uint64_t *transid)
LIBBTRFSUTIL_ALIAS(btrfs_util_start_sync);
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_fs_start_sync_fd(int fd, uint64_t *transid)
LIBBTRFSUTIL_ALIAS(btrfs_util_start_sync_fd);
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_fs_wait_sync(const char *path, uint64_t transid)
LIBBTRFSUTIL_ALIAS(btrfs_util_wait_sync);
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;
}
PUBLIC enum btrfs_util_error btrfs_util_fs_wait_sync_fd(int fd, uint64_t transid)
LIBBTRFSUTIL_ALIAS(btrfs_util_wait_sync_fd);