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#pragma once
/***
This file is part of systemd.
Copyright 2016 Lennart Poettering
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "macro.h"
typedef struct LoopDevice LoopDevice;
/* Some helpers for setting up loopback block devices */
struct LoopDevice {
int fd;
int nr;
char *node;
bool relinquished;
};
int loop_device_make(int fd, int open_flags, LoopDevice **ret);
int loop_device_make_by_path(const char *path, int open_flags, LoopDevice **ret);
LoopDevice* loop_device_unref(LoopDevice *d);
DEFINE_TRIVIAL_CLEANUP_FUNC(LoopDevice*, loop_device_unref);
void loop_device_relinquish(LoopDevice *d);
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