src/lxc/storage/storage_utils.h

   1 /*
   2  * lxc: linux Container library
   3  *
   4  * Copyright © 2017 Canonical Ltd.
   5  *
   6  * Authors:
   7  * Christian Brauner <christian.brauner@ubuntu.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23
  24 #ifndef __LXC_STORAGE_UTILS_H
  25 #define __LXC_STORAGE_UTILS_H
  26
  27 #include <stdbool.h>
  28 #include <stdint.h>
  29 #include <stdio.h>
  30
  31 #include "conf.h"
  32
  33 struct lxc_storage;
  34 struct lxc_conf;
  35
  36 extern bool attach_block_device(struct lxc_conf *conf);
  37 extern void detach_block_device(struct lxc_conf *conf);
  38 extern int blk_getsize(struct lxc_storage *bdev, uint64_t *size);
  39 extern int detect_fs(struct lxc_storage *bdev, char *type, int len);
  40 extern int do_mkfs_exec_wrapper(void *args);
  41 extern int is_blktype(struct lxc_storage *b);
  42 extern int mount_unknown_fs(const char *rootfs, const char *target,
  43                             const char *options);
  44 extern int find_fstype_cb(char *buffer, void *data);
  45 extern const char *linkderef(const char *path, char *dest);
  46 extern bool unpriv_snap_allowed(struct lxc_storage *b, const char *t, bool snap,
  47                                 bool maybesnap);
  48 extern uint64_t get_fssize(char *s);
  49 extern bool is_valid_storage_type(const char *type);
  50 extern int storage_destroy_wrapper(void *data);
  51
  52 #endif /* __LXC_STORAGE_UTILS_H */