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/*
* Copyright (C) 2000-2009, Parallels, Inc. 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _FS_H_
#define _FS_H_
#include "types.h"
#include "quota.h"
#ifndef MNT_DETACH
# define MNT_DETACH 0x00000002
#endif
/** Action script prefixes.
*/
#define MOUNT_PREFIX "mount"
#define UMOUNT_PREFIX "umount"
#define START_PREFIX "start"
#define STOP_PREFIX "stop"
#define PRE_MOUNT_PREFIX "premount"
#define POST_UMOUNT_PREFIX "postumount"
#define DESTR_PREFIX "destroyed"
/** Data structure for file system parameter.
*/
typedef struct {
char *private; /**< CT private path. */
char *private_orig; /**< original not expanded private path. */
char *root; /**< CT root path. */
char *root_orig; /**< original not expanded root path. */
char *tmpl; /**< TEMPLATE path. */
int noatime;
} fs_param;
/** Get CT mount status.
*
* @param root CT root.
* @return 1 - CT mounted
* 0 - CT unmounted.
* -1 - error
*/
int vps_is_mounted(const char *root);
/** Mount CT.
*
* @param veid CT ID.
* @param fs file system parameters.
* @param dq disk quota parameters.
* @return 0 on success.
*/
int fsmount(envid_t veid, fs_param *fs, dq_param *dq);
/** Mount CT and run mount action script if exists.
*
* @param h CT handler.
* @param veid CT ID.
* @param fs file system parameters.
* @param dq disk quota parameters.
* @param skip skip mount action scrips
* @return 0 on success.
*/
int vps_mount(vps_handler *h, envid_t veid, fs_param *fs, dq_param *dq,
skipFlags skip);
/** Unmount CT.
*
* @param veid CT ID.
* @param root CT root.
* @return 0 on success.
*/
int fsumount(envid_t veid, const char *root);
/** Unmount CT and run unmount action script if exists.
*
* @param h CT handler.
* @param veid CT ID.
* @param root CT root.
* @param skip skip unmount action scrips
* @return 0 on success.
*/
int vps_umount(vps_handler *h, envid_t veid, const char *root, skipFlags skip);
int vps_set_fs(fs_param *g_fs, fs_param *fs);
extern const char *vz_fs_get_name();
extern int vz_fs_is_mounted(const char *root);
extern int vz_mount(fs_param *fs, int remount);
#endif
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