src/shared/loop-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include "macro.h"
   5
   6 typedef struct LoopDevice LoopDevice;
   7
   8 /* Some helpers for setting up loopback block devices */
   9
  10 struct LoopDevice {
  11         int fd;
  12         int nr;
  13         char *node;
  14         bool relinquished;
  15 };
  16
  17 int loop_device_make(int fd, int open_flags, LoopDevice **ret);
  18 int loop_device_make_by_path(const char *path, int open_flags, LoopDevice **ret);
  19
  20 LoopDevice* loop_device_unref(LoopDevice *d);
  21 DEFINE_TRIVIAL_CLEANUP_FUNC(LoopDevice*, loop_device_unref);
  22
  23 void loop_device_relinquish(LoopDevice *d);