src/basic/mount-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <fcntl.h>
   5 #include <mntent.h>
   6 #include <stdbool.h>
   7 #include <stdio.h>
   8 #include <sys/stat.h>
   9 #include <sys/types.h>
  10
  11 #include "macro.h"
  12 #include "missing.h"
  13
  14 int name_to_handle_at_loop(int fd, const char *path, struct file_handle **ret_handle, int *ret_mnt_id, int flags);
  15
  16 int path_get_mnt_id(const char *path, int *ret);
  17
  18 int fd_is_mount_point(int fd, const char *filename, int flags);
  19 int path_is_mount_point(const char *path, const char *root, int flags);
  20
  21 int repeat_unmount(const char *path, int flags);
  22
  23 int umount_recursive(const char *target, int flags);
  24 int bind_remount_recursive(const char *prefix, bool ro, char **blacklist);
  25 int bind_remount_recursive_with_mountinfo(const char *prefix, bool ro, char **blacklist, FILE *proc_self_mountinfo);
  26
  27 int mount_move_root(const char *path);
  28
  29 DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, endmntent);
  30 #define _cleanup_endmntent_ _cleanup_(endmntentp)
  31
  32 bool fstype_is_network(const char *fstype);
  33 bool fstype_is_api_vfs(const char *fstype);
  34 bool fstype_is_ro(const char *fsype);
  35 bool fstype_can_discard(const char *fstype);
  36 bool fstype_can_uid_gid(const char *fstype);
  37
  38 const char* mode_to_inaccessible_node(mode_t mode);
  39
  40 int mount_verbose(
  41                 int error_log_level,
  42                 const char *what,
  43                 const char *where,
  44                 const char *type,
  45                 unsigned long flags,
  46                 const char *options);
  47 int umount_verbose(const char *where);
  48
  49 const char *mount_propagation_flags_to_string(unsigned long flags);
  50 int mount_propagation_flags_from_string(const char *name, unsigned long *ret);
  51
  52 int mount_option_mangle(
  53                 const char *options,
  54                 unsigned long mount_flags,
  55                 unsigned long *ret_mount_flags,
  56                 char **ret_remaining_options);