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-rw-r--r--libmount/src/libmount.h.in562
1 files changed, 562 insertions, 0 deletions
diff --git a/libmount/src/libmount.h.in b/libmount/src/libmount.h.in
new file mode 100644
index 000000000..15222083f
--- /dev/null
+++ b/libmount/src/libmount.h.in
@@ -0,0 +1,562 @@
+/*
+ * mount.h - libmount API
+ *
+ * Copyright (C) 2008-2009 Karel Zak <kzak@redhat.com>
+ *
+ * This library 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.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _LIBMOUNT_MOUNT_H
+#define _LIBMOUNT_MOUNT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef USE_UNSTABLE_LIBMOUNT_API
+# warning libmount API is not stable yet!
+#endif
+
+#include <stdio.h>
+#include <mntent.h>
+#include <sys/types.h>
+
+#define LIBMOUNT_VERSION "@LIBMOUNT_VERSION@"
+
+/**
+ * libmnt_cache:
+ *
+ * Stores canonicalized paths and evaluated tags
+ */
+struct libmnt_cache;
+
+/**
+ * libmnt_lock:
+ *
+ * Stores information about locked file (e.g. /etc/mtab)
+ */
+struct libmnt_lock;
+
+/**
+ * libmnt_iter:
+ *
+ * Generic iterator (stores state about lists)
+ */
+struct libmnt_iter;
+
+/**
+ * libmnt_optmap:
+ *
+ * Mount options description (map)
+ */
+struct libmnt_optmap
+{
+ const char *name; /* option name[=%<type>] (e.g. "loop[=%s]") */
+ int id; /* option ID or MS_* flags (e.g MS_RDONLY) */
+ int mask; /* MNT_{NOMTAB,INVERT,...} mask */
+};
+
+/*
+ * mount options map masks
+ */
+#define MNT_INVERT (1 << 1) /* invert the mountflag */
+#define MNT_NOMTAB (1 << 2) /* skip in the mtab option string */
+#define MNT_PREFIX (1 << 3) /* prefix used for some options (e.g. "x-foo") */
+
+/**
+ * libmnt_fs:
+ *
+ * Parsed fstab/mtab/mountinfo entry
+ */
+struct libmnt_fs;
+
+/**
+ * libmnt_table:
+ *
+ * List of struct libmnt_fs entries (parsed fstab/mtab/mountinfo)
+ */
+struct libmnt_table;
+
+/**
+ * libmnt_update
+ *
+ * /etc/mtab or utab update description
+ */
+struct libmnt_update;
+
+/**
+ * libmnt_context
+ *
+ * Mount/umount status
+ */
+struct libmnt_context;
+
+/*
+ * Actions
+ */
+enum {
+ MNT_ACT_MOUNT = 1,
+ MNT_ACT_UMOUNT
+};
+
+/* init.c */
+extern void mnt_init_debug(int mask);
+
+/* version.c */
+extern int mnt_parse_version_string(const char *ver_string);
+extern int mnt_get_library_version(const char **ver_string);
+
+/* utils.c */
+extern char *mnt_mangle(const char *str);
+extern char *mnt_unmangle(const char *str);
+extern int mnt_fstype_is_netfs(const char *type);
+extern int mnt_fstype_is_pseudofs(const char *type);
+extern int mnt_match_fstype(const char *type, const char *pattern);
+extern int mnt_match_options(const char *optstr, const char *pattern);
+extern const char *mnt_get_fstab_path(void);
+extern const char *mnt_get_mtab_path(void);
+extern int mnt_has_regular_mtab(const char **mtab, int *writable);
+
+/* cache.c */
+extern struct libmnt_cache *mnt_new_cache(void);
+extern void mnt_free_cache(struct libmnt_cache *cache);
+extern int mnt_cache_read_tags(struct libmnt_cache *cache, const char *devname);
+extern int mnt_cache_device_has_tag(struct libmnt_cache *cache,
+ const char *devname,
+ const char *token,
+ const char *value);
+
+extern char *mnt_cache_find_tag_value(struct libmnt_cache *cache,
+ const char *devname, const char *token);
+
+extern char *mnt_get_fstype(const char *devname, int *ambi,
+ struct libmnt_cache *cache);
+extern char *mnt_resolve_path(const char *path, struct libmnt_cache *cache);
+extern char *mnt_resolve_tag(const char *token, const char *value,
+ struct libmnt_cache *cache);
+extern char *mnt_resolve_spec(const char *spec, struct libmnt_cache *cache);
+
+/* optstr.c */
+extern int mnt_optstr_next_option(char **optstr, char **name, size_t *namesz,
+ char **value, size_t *valuesz);
+extern int mnt_optstr_append_option(char **optstr, const char *name,
+ const char *value);
+extern int mnt_optstr_prepend_option(char **optstr, const char *name,
+ const char *value);
+extern int mnt_optstr_get_option(char *optstr, const char *name,
+ char **value, size_t *valsz);
+extern int mnt_optstr_set_option(char **optstr, const char *name,
+ const char *value);
+extern int mnt_optstr_remove_option(char **optstr, const char *name);
+
+extern int mnt_split_optstr(const char *optstr,
+ char **user, char **vfs, char **fs,
+ int ignore_user, int ignore_vfs);
+
+extern int mnt_optstr_get_options(const char *optstr, char **subset,
+ const struct libmnt_optmap *map, int ignore);
+
+extern int mnt_optstr_get_flags(const char *optstr, unsigned long *flags,
+ const struct libmnt_optmap *map);
+extern int mnt_optstr_apply_flags(char **optstr, unsigned long flags,
+ const struct libmnt_optmap *map);
+
+/* iter.c */
+enum {
+
+ MNT_ITER_FORWARD = 0,
+ MNT_ITER_BACKWARD
+};
+extern struct libmnt_iter *mnt_new_iter(int direction);
+extern void mnt_free_iter(struct libmnt_iter *itr);
+extern void mnt_reset_iter(struct libmnt_iter *itr, int direction);
+extern int mnt_iter_get_direction(struct libmnt_iter *itr);
+
+/* optmap.c */
+enum {
+ MNT_LINUX_MAP = 1,
+ MNT_USERSPACE_MAP
+};
+extern const struct libmnt_optmap *mnt_get_builtin_optmap(int id);
+
+/* lock.c */
+extern struct libmnt_lock *mnt_new_lock(const char *datafile, pid_t id);
+extern void mnt_free_lock(struct libmnt_lock *ml);
+extern void mnt_unlock_file(struct libmnt_lock *ml);
+extern int mnt_lock_file(struct libmnt_lock *ml);
+extern int mnt_lock_block_signals(struct libmnt_lock *ml, int enable);
+
+/* fs.c */
+extern struct libmnt_fs *mnt_new_fs(void);
+extern void mnt_free_fs(struct libmnt_fs *fs);
+extern void mnt_reset_fs(struct libmnt_fs *fs);
+extern struct libmnt_fs *mnt_copy_fs(struct libmnt_fs *dest,
+ const struct libmnt_fs *src);
+extern void *mnt_fs_get_userdata(struct libmnt_fs *fs);
+extern int mnt_fs_set_userdata(struct libmnt_fs *fs, void *data);
+extern const char *mnt_fs_get_source(struct libmnt_fs *fs);
+extern int mnt_fs_set_source(struct libmnt_fs *fs, const char *source);
+extern const char *mnt_fs_get_srcpath(struct libmnt_fs *fs);
+extern int mnt_fs_get_tag(struct libmnt_fs *fs, const char **name,
+ const char **value);
+extern const char *mnt_fs_get_target(struct libmnt_fs *fs);
+extern int mnt_fs_set_target(struct libmnt_fs *fs, const char *target);
+extern const char *mnt_fs_get_fstype(struct libmnt_fs *fs);
+extern int mnt_fs_set_fstype(struct libmnt_fs *fs, const char *fstype);
+
+extern char *mnt_fs_strdup_options(struct libmnt_fs *fs);
+extern const char *mnt_fs_get_options(struct libmnt_fs *fs);
+extern int mnt_fs_set_options(struct libmnt_fs *fs, const char *optstr);
+extern int mnt_fs_append_options(struct libmnt_fs *fs, const char *optstr);
+extern int mnt_fs_prepend_options(struct libmnt_fs *fs, const char *optstr);
+
+extern int mnt_fs_get_option(struct libmnt_fs *fs, const char *name,
+ char **value, size_t *valsz);
+
+
+extern const char *mnt_fs_get_fs_options(struct libmnt_fs *fs);
+extern const char *mnt_fs_get_vfs_options(struct libmnt_fs *fs);
+extern const char *mnt_fs_get_user_options(struct libmnt_fs *fs);
+
+extern const char *mnt_fs_get_attributes(struct libmnt_fs *fs);
+extern int mnt_fs_set_attributes(struct libmnt_fs *fs, const char *optstr);
+extern int mnt_fs_get_attribute(struct libmnt_fs *fs, const char *name,
+ char **value, size_t *valsz);
+extern int mnt_fs_append_attributes(struct libmnt_fs *fs, const char *optstr);
+extern int mnt_fs_prepend_attributes(struct libmnt_fs *fs, const char *optstr);
+
+extern int mnt_fs_get_freq(struct libmnt_fs *fs);
+extern int mnt_fs_set_freq(struct libmnt_fs *fs, int freq);
+extern int mnt_fs_get_passno(struct libmnt_fs *fs);
+extern int mnt_fs_set_passno(struct libmnt_fs *fs, int passno);
+extern const char *mnt_fs_get_root(struct libmnt_fs *fs);
+extern int mnt_fs_set_root(struct libmnt_fs *fs, const char *root);
+extern const char *mnt_fs_get_bindsrc(struct libmnt_fs *fs);
+extern int mnt_fs_set_bindsrc(struct libmnt_fs *fs, const char *src);
+extern int mnt_fs_get_id(struct libmnt_fs *fs);
+extern int mnt_fs_get_parent_id(struct libmnt_fs *fs);
+extern dev_t mnt_fs_get_devno(struct libmnt_fs *fs);
+
+extern int mnt_fs_match_target(struct libmnt_fs *fs, const char *target,
+ struct libmnt_cache *cache);
+extern int mnt_fs_match_source(struct libmnt_fs *fs, const char *source,
+ struct libmnt_cache *cache);
+extern int mnt_fs_match_fstype(struct libmnt_fs *fs, const char *types);
+extern int mnt_fs_match_options(struct libmnt_fs *fs, const char *options);
+extern int mnt_fs_print_debug(struct libmnt_fs *fs, FILE *file);
+
+extern int mnt_fs_is_kernel(struct libmnt_fs *fs);
+
+extern void mnt_free_mntent(struct mntent *mnt);
+extern int mnt_fs_to_mntent(struct libmnt_fs *fs, struct mntent **mnt);
+
+/* tab-parse.c */
+extern struct libmnt_table *mnt_new_table_from_file(const char *filename);
+extern struct libmnt_table *mnt_new_table_from_dir(const char *dirname);
+extern int mnt_table_parse_stream(struct libmnt_table *tb, FILE *f,
+ const char *filename);
+extern int mnt_table_parse_file(struct libmnt_table *tb, const char *filename);
+extern int mnt_table_parse_fstab(struct libmnt_table *tb, const char *filename);
+extern int mnt_table_parse_mtab(struct libmnt_table *tb, const char *filename);
+extern int mnt_table_set_parser_errcb(struct libmnt_table *tb,
+ int (*cb)(struct libmnt_table *tb, const char *filename, int line));
+
+/* tab.c */
+extern struct libmnt_table *mnt_new_table(void);
+extern void mnt_free_table(struct libmnt_table *tb);
+extern int mnt_reset_table(struct libmnt_table *tb);
+extern int mnt_table_get_nents(struct libmnt_table *tb);
+extern int mnt_table_set_cache(struct libmnt_table *tb, struct libmnt_cache *mpc);
+extern struct libmnt_cache *mnt_table_get_cache(struct libmnt_table *tb);
+extern const char *mnt_table_get_name(struct libmnt_table *tb);
+extern int mnt_table_add_fs(struct libmnt_table *tb, struct libmnt_fs *fs);
+extern int mnt_table_remove_fs(struct libmnt_table *tb, struct libmnt_fs *fs);
+extern int mnt_table_next_fs(struct libmnt_table *tb, struct libmnt_iter *itr,
+ struct libmnt_fs **fs);
+extern int mnt_table_next_child_fs(struct libmnt_table *tb, struct libmnt_iter *itr,
+ struct libmnt_fs *parent, struct libmnt_fs **chld);
+extern int mnt_table_get_root_fs(struct libmnt_table *tb, struct libmnt_fs **root);
+extern int mnt_table_set_iter(struct libmnt_table *tb, struct libmnt_iter *itr,
+ struct libmnt_fs *fs);
+
+extern struct libmnt_fs *mnt_table_find_target(struct libmnt_table *tb,
+ const char *path, int direction);
+extern struct libmnt_fs *mnt_table_find_srcpath(struct libmnt_table *tb,
+ const char *path, int direction);
+extern struct libmnt_fs *mnt_table_find_tag(struct libmnt_table *tb, const char *tag,
+ const char *val, int direction);
+extern struct libmnt_fs *mnt_table_find_source(struct libmnt_table *tb,
+ const char *source, int direction);
+extern struct libmnt_fs *mnt_table_find_pair(struct libmnt_table *tb,
+ const char *source,
+ const char *target, int direction);
+
+extern int mnt_table_find_next_fs(struct libmnt_table *tb,
+ struct libmnt_iter *itr,
+ int (*match_func)(struct libmnt_fs *, void *), void *userdata,
+ struct libmnt_fs **fs);
+
+extern int mnt_table_is_fs_mounted(struct libmnt_table *tb, struct libmnt_fs *fstab_fs);
+
+
+/* tab_update.c */
+extern struct libmnt_update *mnt_new_update(void);
+extern void mnt_free_update(struct libmnt_update *upd);
+extern int mnt_update_is_ready(struct libmnt_update *upd);
+extern int mnt_update_set_fs(struct libmnt_update *upd, unsigned long mflags,
+ const char *target, struct libmnt_fs *fs);
+extern int mnt_update_table(struct libmnt_update *upd, struct libmnt_lock *lc);
+extern unsigned long mnt_update_get_mflags(struct libmnt_update *upd);
+extern int mnt_update_force_rdonly(struct libmnt_update *upd, int rdonly);
+extern const char *mnt_update_get_filename(struct libmnt_update *upd);
+extern struct libmnt_fs *mnt_update_get_fs(struct libmnt_update *upd);
+
+/* tab_diff.c */
+enum {
+ MNT_TABDIFF_MOUNT = 1,
+ MNT_TABDIFF_UMOUNT,
+ MNT_TABDIFF_MOVE,
+ MNT_TABDIFF_REMOUNT,
+ MNT_TABDIFF_PROPAGATION, /* not implemented yet (TODO) */
+};
+
+extern struct libmnt_tabdiff *mnt_new_tabdiff(void);
+extern void mnt_free_tabdiff(struct libmnt_tabdiff *df);
+
+extern int mnt_diff_tables(struct libmnt_tabdiff *df,
+ struct libmnt_table *old,
+ struct libmnt_table *new);
+
+extern int mnt_tabdiff_next_change(struct libmnt_tabdiff *df,
+ struct libmnt_iter *itr,
+ struct libmnt_fs **old_fs,
+ struct libmnt_fs **new_fs,
+ int *oper);
+
+/* context.c */
+
+/* mode for mount options from fstab */
+enum {
+ MNT_OMODE_IGNORE = (1 << 1), /* ignore mtab/fstab options */
+ MNT_OMODE_APPEND = (1 << 2), /* append mtab/fstab options to existing options */
+ MNT_OMODE_PREPEND = (1 << 3), /* prepend mtab/fstab options to existing options */
+ MNT_OMODE_REPLACE = (1 << 4), /* replace existing options with options from mtab/fstab */
+
+ MNT_OMODE_FORCE = (1 << 5), /* always read mtab/fstab options */
+
+ MNT_OMODE_FSTAB = (1 << 10), /* read from fstab */
+ MNT_OMODE_MTAB = (1 << 11), /* read from mtab if fstab not enabled or failed */
+
+ /* default */
+ MNT_OMODE_AUTO = (MNT_OMODE_PREPEND | MNT_OMODE_FSTAB | MNT_OMODE_MTAB),
+ /* non-root users */
+ MNT_OMODE_USER = (MNT_OMODE_REPLACE | MNT_OMODE_FORCE | MNT_OMODE_FSTAB)
+};
+
+extern struct libmnt_context *mnt_new_context(void);
+extern void mnt_free_context(struct libmnt_context *cxt);
+extern int mnt_reset_context(struct libmnt_context *cxt);
+extern int mnt_context_is_restricted(struct libmnt_context *cxt);
+
+extern int mnt_context_init_helper(struct libmnt_context *cxt,
+ int action, int flags);
+extern int mnt_context_helper_setopt(struct libmnt_context *cxt, int c, char *arg);
+
+extern int mnt_context_set_optsmode(struct libmnt_context *cxt, int mode);
+extern int mnt_context_disable_canonicalize(struct libmnt_context *cxt, int disable);
+extern int mnt_context_enable_lazy(struct libmnt_context *cxt, int enable);
+extern int mnt_context_enable_rdonly_umount(struct libmnt_context *cxt, int enable);
+extern int mnt_context_disable_helpers(struct libmnt_context *cxt, int disable);
+extern int mnt_context_enable_sloppy(struct libmnt_context *cxt, int enable);
+extern int mnt_context_enable_fake(struct libmnt_context *cxt, int enable);
+extern int mnt_context_disable_mtab(struct libmnt_context *cxt, int disable);
+extern int mnt_context_enable_force(struct libmnt_context *cxt, int enable);
+extern int mnt_context_enable_verbose(struct libmnt_context *cxt, int enable);
+extern int mnt_context_enable_loopdel(struct libmnt_context *cxt, int enable);
+
+extern int mnt_context_get_optsmode(struct libmnt_context *cxt);
+extern int mnt_context_is_lazy(struct libmnt_context *cxt);
+extern int mnt_context_is_rdonly_umount(struct libmnt_context *cxt);
+extern int mnt_context_is_sloppy(struct libmnt_context *cxt);
+extern int mnt_context_is_fake(struct libmnt_context *cxt);
+extern int mnt_context_is_nomtab(struct libmnt_context *cxt);
+extern int mnt_context_is_force(struct libmnt_context *cxt);
+extern int mnt_context_is_verbose(struct libmnt_context *cxt);
+
+extern int mnt_context_set_fs(struct libmnt_context *cxt, struct libmnt_fs *fs);
+extern struct libmnt_fs *mnt_context_get_fs(struct libmnt_context *cxt);
+extern int mnt_context_set_source(struct libmnt_context *cxt, const char *source);
+extern int mnt_context_set_target(struct libmnt_context *cxt, const char *target);
+extern int mnt_context_set_fstype(struct libmnt_context *cxt, const char *fstype);
+extern const char *mnt_context_get_source(struct libmnt_context *cxt);
+extern const char *mnt_context_get_target(struct libmnt_context *cxt);
+extern const char *mnt_context_get_fstype(struct libmnt_context *cxt);
+
+extern int mnt_context_set_options(struct libmnt_context *cxt, const char *optstr);
+extern int mnt_context_append_options(struct libmnt_context *cxt,
+ const char *optstr);
+extern int mnt_context_set_fstype_pattern(struct libmnt_context *cxt,
+ const char *pattern);
+extern int mnt_context_set_options_pattern(struct libmnt_context *cxt,
+ const char *pattern);
+
+extern int mnt_context_set_fstab(struct libmnt_context *cxt,
+ struct libmnt_table *tb);
+extern int mnt_context_get_fstab(struct libmnt_context *cxt,
+ struct libmnt_table **tb);
+extern int mnt_context_get_mtab(struct libmnt_context *cxt,
+ struct libmnt_table **tb);
+extern int mnt_context_set_cache(struct libmnt_context *cxt,
+ struct libmnt_cache *cache);
+extern struct libmnt_cache *mnt_context_get_cache(struct libmnt_context *cxt);
+extern struct libmnt_lock *mnt_context_get_lock(struct libmnt_context *cxt);
+
+extern int mnt_context_set_mflags(struct libmnt_context *cxt,
+ unsigned long flags);
+extern int mnt_context_get_mflags(struct libmnt_context *cxt,
+ unsigned long *flags);
+extern int mnt_context_set_user_mflags(struct libmnt_context *cxt,
+ unsigned long flags);
+extern int mnt_context_get_user_mflags(struct libmnt_context *cxt,
+ unsigned long *flags);
+
+extern int mnt_context_set_mountdata(struct libmnt_context *cxt, void *data);
+extern int mnt_context_apply_fstab(struct libmnt_context *cxt);
+extern int mnt_context_get_status(struct libmnt_context *cxt);
+extern int mnt_context_strerror(struct libmnt_context *cxt, char *buf,
+ size_t bufsiz);
+
+extern int mnt_context_mount(struct libmnt_context *cxt);
+extern int mnt_context_umount(struct libmnt_context *cxt);
+
+extern int mnt_context_prepare_mount(struct libmnt_context *cxt);
+extern int mnt_context_do_mount(struct libmnt_context *cxt);
+extern int mnt_context_finalize_mount(struct libmnt_context *cxt);
+
+extern int mnt_context_prepare_umount(struct libmnt_context *cxt);
+extern int mnt_context_do_umount(struct libmnt_context *cxt);
+extern int mnt_context_finalize_umount(struct libmnt_context *cxt);
+
+extern int mnt_context_set_syscall_status(struct libmnt_context *cxt, int status);
+
+/*
+ * mount(8) userspace options masks (MNT_MAP_USERSPACE map)
+ */
+#define MNT_MS_NOAUTO (1 << 2)
+#define MNT_MS_USER (1 << 3)
+#define MNT_MS_USERS (1 << 4)
+#define MNT_MS_OWNER (1 << 5)
+#define MNT_MS_GROUP (1 << 6)
+#define MNT_MS_NETDEV (1 << 7)
+#define MNT_MS_COMMENT (1 << 8)
+#define MNT_MS_LOOP (1 << 9)
+#define MNT_MS_NOFAIL (1 << 10)
+#define MNT_MS_UHELPER (1 << 11)
+#define MNT_MS_HELPER (1 << 12)
+#define MNT_MS_XCOMMENT (1 << 13)
+
+/*
+ * mount(2) MS_* masks (MNT_MAP_LINUX map)
+ */
+#ifndef MS_RDONLY
+#define MS_RDONLY 1 /* Mount read-only */
+#endif
+#ifndef MS_NOSUID
+#define MS_NOSUID 2 /* Ignore suid and sgid bits */
+#endif
+#ifndef MS_NODEV
+#define MS_NODEV 4 /* Disallow access to device special files */
+#endif
+#ifndef MS_NOEXEC
+#define MS_NOEXEC 8 /* Disallow program execution */
+#endif
+#ifndef MS_SYNCHRONOUS
+#define MS_SYNCHRONOUS 16 /* Writes are synced at once */
+#endif
+#ifndef MS_REMOUNT
+#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
+#endif
+#ifndef MS_MANDLOCK
+#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
+#endif
+#ifndef MS_DIRSYNC
+#define MS_DIRSYNC 128 /* Directory modifications are synchronous */
+#endif
+#ifndef MS_NOATIME
+#define MS_NOATIME 0x400 /* 1024: Do not update access times. */
+#endif
+#ifndef MS_NODIRATIME
+#define MS_NODIRATIME 0x800 /* 2048: Don't update directory access times */
+#endif
+#ifndef MS_BIND
+#define MS_BIND 0x1000 /* 4096: Mount existing tree also elsewhere */
+#endif
+#ifndef MS_MOVE
+#define MS_MOVE 0x2000 /* 8192: Atomically move tree */
+#endif
+#ifndef MS_REC
+#define MS_REC 0x4000 /* 16384: Recursive loopback */
+#endif
+#ifndef MS_SILENT
+#define MS_SILENT 0x8000 /* 32768 */
+#endif
+#ifndef MS_RELATIME
+#define MS_RELATIME 0x200000 /* 200000: Update access times relative
+ to mtime/ctime */
+#endif
+#ifndef MS_UNBINDABLE
+#define MS_UNBINDABLE (1<<17) /* 131072 unbindable*/
+#endif
+#ifndef MS_PRIVATE
+#define MS_PRIVATE (1<<18) /* 262144 Private*/
+#endif
+#ifndef MS_SLAVE
+#define MS_SLAVE (1<<19) /* 524288 Slave*/
+#endif
+#ifndef MS_SHARED
+#define MS_SHARED (1<<20) /* 1048576 Shared*/
+#endif
+#ifndef MS_I_VERSION
+#define MS_I_VERSION (1<<23) /* update inode I_version field */
+#endif
+#ifndef MS_STRICTATIME
+#define MS_STRICTATIME (1<<24) /* strict atime semantics */
+#endif
+
+/*
+ * Magic mount flag number. Had to be or-ed to the flag values.
+ */
+#ifndef MS_MGC_VAL
+#define MS_MGC_VAL 0xC0ED0000 /* magic flag number to indicate "new" flags */
+#endif
+#ifndef MS_MGC_MSK
+#define MS_MGC_MSK 0xffff0000 /* magic flag number mask */
+#endif
+
+
+/* Shared-subtree options */
+#define MS_PROPAGATION (MS_SHARED|MS_SLAVE|MS_UNBINDABLE|MS_PRIVATE)
+
+/* Options that we make ordinary users have by default. */
+#define MS_SECURE (MS_NOEXEC|MS_NOSUID|MS_NODEV)
+
+/* Options that we make owner-mounted devices have by default */
+#define MS_OWNERSECURE (MS_NOSUID|MS_NODEV)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBMOUNT_MOUNT_H */