2005-11-07 22:19:07 +00:00
|
|
|
/*
|
|
|
|
* linux/fs/pnode.h
|
|
|
|
*
|
|
|
|
* (C) Copyright IBM Corporation 2005.
|
|
|
|
* Released under GPL v2.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
#ifndef _LINUX_PNODE_H
|
|
|
|
#define _LINUX_PNODE_H
|
|
|
|
|
|
|
|
#include <linux/list.h>
|
2011-11-24 00:26:23 +00:00
|
|
|
#include "mount.h"
|
2005-11-07 22:19:33 +00:00
|
|
|
|
2011-11-23 17:27:01 +00:00
|
|
|
#define IS_MNT_SHARED(mnt) ((mnt)->mnt_flags & MNT_SHARED)
|
|
|
|
#define IS_MNT_SLAVE(mnt) ((mnt)->mnt_master)
|
|
|
|
#define IS_MNT_NEW(mnt) (!(mnt)->mnt_ns)
|
|
|
|
#define CLEAR_MNT_SHARED(mnt) ((mnt)->mnt_flags &= ~MNT_SHARED)
|
|
|
|
#define IS_MNT_UNBINDABLE(mnt) ((mnt)->mnt_flags & MNT_UNBINDABLE)
|
2005-11-07 22:19:33 +00:00
|
|
|
|
2005-11-07 22:19:50 +00:00
|
|
|
#define CL_EXPIRE 0x01
|
2005-11-07 22:20:48 +00:00
|
|
|
#define CL_SLAVE 0x02
|
2005-11-07 22:19:50 +00:00
|
|
|
#define CL_COPY_ALL 0x04
|
|
|
|
#define CL_MAKE_SHARED 0x08
|
2010-01-16 18:28:47 +00:00
|
|
|
#define CL_PRIVATE 0x10
|
2005-11-07 22:19:50 +00:00
|
|
|
|
2011-11-25 01:43:10 +00:00
|
|
|
static inline void set_mnt_shared(struct mount *mnt)
|
2005-11-07 22:19:50 +00:00
|
|
|
{
|
2011-11-25 01:43:10 +00:00
|
|
|
mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK;
|
|
|
|
mnt->mnt.mnt_flags |= MNT_SHARED;
|
2005-11-07 22:19:50 +00:00
|
|
|
}
|
|
|
|
|
2011-11-25 01:43:10 +00:00
|
|
|
void change_mnt_propagation(struct mount *, int);
|
2005-11-07 22:19:50 +00:00
|
|
|
int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *,
|
|
|
|
struct list_head *);
|
2005-11-07 22:20:17 +00:00
|
|
|
int propagate_umount(struct list_head *);
|
2011-11-25 02:35:16 +00:00
|
|
|
int propagate_mount_busy(struct mount *, int);
|
2011-11-25 00:54:23 +00:00
|
|
|
void mnt_release_group_id(struct mount *);
|
2011-11-25 04:35:54 +00:00
|
|
|
int get_dominating_id(struct mount *mnt, const struct path *root);
|
2011-11-25 03:37:54 +00:00
|
|
|
unsigned int mnt_get_count(struct mount *mnt);
|
2011-11-22 02:15:42 +00:00
|
|
|
void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
|
2011-11-25 02:28:22 +00:00
|
|
|
struct mount *);
|
2011-11-22 02:15:42 +00:00
|
|
|
void release_mounts(struct list_head *);
|
2011-11-25 02:07:43 +00:00
|
|
|
void umount_tree(struct mount *, int, struct list_head *);
|
2011-11-25 02:24:27 +00:00
|
|
|
struct mount *copy_tree(struct mount *, struct dentry *, int);
|
2011-11-25 03:00:28 +00:00
|
|
|
bool is_path_reachable(struct mount *, struct dentry *,
|
2011-11-24 00:34:49 +00:00
|
|
|
const struct path *root);
|
2005-11-07 22:19:07 +00:00
|
|
|
#endif /* _LINUX_PNODE_H */
|