/* ----------------------------------------------------------------------- *

 *

 *  mounts.h - header file for mount utilities module.

 *

 *   Copyright 2008 Red Hat, Inc. All rights reserved.

 *   Copyright 2004-2006 Ian Kent <raven@themaw.net> - All Rights Reserved.

 *

 *   This program is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,

 *   USA; either version 2 of the License, or (at your option) any later

 *   version; incorporated herein by reference.

 *

 * ----------------------------------------------------------------------- */

#ifndef MOUNTS_H

#define MOUNTS_H

#include <linux/version.h>

#include <sys/utsname.h>

#ifndef AUTOFS_TYPE_ANY

#define AUTOFS_TYPE_ANY		0x0000

#endif

#ifndef AUTOFS_TYPE_INDIRECT

#define AUTOFS_TYPE_INDIRECT	0x0001

#endif

#ifndef AUTOFS_TYPE_DIRECT

#define AUTOFS_TYPE_DIRECT	0x0002

#endif

#ifndef AUTOFS_TYPE_OFFSET

#define AUTOFS_TYPE_OFFSET	0x0004

#endif

#define MNTS_ALL	0x0001

#define MNTS_REAL	0x0002

#define MNTS_AUTOFS	0x0004

#define MNTS_INDIRECT	0x0008

#define MNTS_DIRECT	0x0010

#define MNTS_OFFSET	0x0020

#define MNTS_AMD_MOUNT	0x0040

#define MNTS_MOUNTED	0x0080

#define REMOUNT_SUCCESS		0x0000

#define REMOUNT_FAIL		0x0001

#define REMOUNT_OPEN_FAIL	0x0002

#define REMOUNT_STAT_FAIL	0x0004

#define REMOUNT_READ_MAP	0x0008

extern const unsigned int t_indirect;

extern const unsigned int t_direct;

extern const unsigned int t_offset;

struct mapent;

struct mnt_list {

	char *mp;

	unsigned int flags;

	/* Hash of all mounts */

	struct hlist_node hash;

	unsigned int ref;

	/* List of mounts of an autofs_point */

	struct list_head mount;

	/* Mounted mounts list for expire */

	struct list_head expire;

	/* List of sub-mounts of an autofs_point */

	struct autofs_point *ap;

	struct list_head submount;

	struct list_head submount_work;

	/* List of amd-mounts of an autofs_point */

	char *ext_mp;

	char *amd_pref;

	char *amd_type;

	char *amd_opts;

	unsigned int amd_cache_opts;

	struct list_head amdmount;

	/*

	 * List operations ie. get_mnt_list.

	 */

	struct mnt_list *next;

};

struct nfs_mount_vers {

	unsigned int major;

	unsigned int minor;

	unsigned int fix;

};

unsigned int linux_version_code(void);

int check_nfs_mount_version(struct nfs_mount_vers *, struct nfs_mount_vers *);

extern unsigned int nfs_mount_uses_string_options;

int mount_fullpath(char *fullpath, size_t max_len,

		   const char *root, const char *name);

struct amd_entry;

struct substvar *addstdenv(struct substvar *sv, const char *prefix);

struct substvar *removestdenv(struct substvar *sv, const char *prefix);

void add_std_amd_vars(struct substvar *sv);

void remove_std_amd_vars(void);

struct amd_entry *new_amd_entry(const struct substvar *sv);

void clear_amd_entry(struct amd_entry *entry);

void free_amd_entry(struct amd_entry *entry);

void free_amd_entry_list(struct list_head *entries);

unsigned int query_kproto_ver(void);

unsigned int get_kver_major(void);

unsigned int get_kver_minor(void);

char *make_options_string(char *path, int pipefd,

			  const char *type, unsigned int flags);

char *make_mnt_name_string(char *path);

int ext_mount_add(const char *, const char *);

int ext_mount_remove(const char *);

int ext_mount_inuse(const char *);

struct mnt_list *mnts_lookup_mount(const char *mp);

void mnts_put_mount(struct mnt_list *mnt);

struct mnt_list *mnts_find_submount(const char *path);

struct mnt_list *mnts_add_submount(struct autofs_point *ap);

void mnts_remove_submount(const char *mp);

struct mnt_list *mnts_find_amdmount(const char *path);

struct mnt_list *mnts_add_amdmount(struct autofs_point *ap, struct amd_entry *entry);

void mnts_remove_amdmount(const char *mp);

struct mnt_list *mnts_add_mount(struct autofs_point *ap, const char *name, unsigned int flags);

void mnts_remove_mount(const char *mp, unsigned int flags);

struct mnt_list *get_mnt_list(const char *path, int include);

unsigned int mnts_has_mounted_mounts(struct autofs_point *ap);

void mnts_get_expire_list(struct list_head *mnts, struct autofs_point *ap);

void mnts_put_expire_list(struct list_head *mnts);

void mnts_set_mounted_mount(struct autofs_point *ap, const char *name);

int unlink_mount_tree(struct autofs_point *ap, const char *mp);

void free_mnt_list(struct mnt_list *list);

int is_mounted(const char *mp, unsigned int type);

void set_tsd_user_vars(unsigned int, uid_t, gid_t);

const char *mount_type_str(unsigned int);

void set_exp_timeout(struct autofs_point *ap, struct map_source *source, time_t timeout);

time_t get_exp_timeout(struct autofs_point *ap, struct map_source *source);

void notify_mount_result(struct autofs_point *, const char *, time_t, const char *);

int try_remount(struct autofs_point *, struct mapent *, unsigned int);

void set_indirect_mount_tree_catatonic(struct autofs_point *);

void set_direct_mount_tree_catatonic(struct autofs_point *, struct mapent *);

int umount_ent(struct autofs_point *, const char *);

int umount_amd_ext_mount(struct autofs_point *, const char *);

int mount_multi_triggers(struct autofs_point *, struct mapent *, const char *, unsigned int, const char *);

int umount_multi_triggers(struct autofs_point *, struct mapent *, char *, const char *);

int clean_stale_multi_triggers(struct autofs_point *, struct mapent *, char *, const char *);

#endif