4 * (C) Copyright IBM Corporation 2005.
5 * Released under GPL v2.
11 #include <linux/list.h>
14 #define IS_MNT_SHARED(m) ((m)->mnt.mnt_flags & MNT_SHARED)
15 #define IS_MNT_SLAVE(m) ((m)->mnt_master)
16 #define IS_MNT_NEW(m) (!(m)->mnt_ns)
17 #define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flags &= ~MNT_SHARED)
18 #define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_flags & MNT_UNBINDABLE)
20 #define CL_EXPIRE 0x01
22 #define CL_COPY_UNBINDABLE 0x04
23 #define CL_MAKE_SHARED 0x08
24 #define CL_PRIVATE 0x10
25 #define CL_SHARED_TO_SLAVE 0x20
26 #define CL_UNPRIVILEGED 0x40
27 #define CL_COPY_MNT_NS_FILE 0x80
29 #define CL_COPY_ALL (CL_COPY_UNBINDABLE | CL_COPY_MNT_NS_FILE)
31 static inline void set_mnt_shared(struct mount
*mnt
)
33 mnt
->mnt
.mnt_flags
&= ~MNT_SHARED_MASK
;
34 mnt
->mnt
.mnt_flags
|= MNT_SHARED
;
37 void change_mnt_propagation(struct mount
*, int);
38 int propagate_mnt(struct mount
*, struct mountpoint
*, struct mount
*,
40 int propagate_umount(struct hlist_head
*);
41 int propagate_mount_busy(struct mount
*, int);
42 void mnt_release_group_id(struct mount
*);
43 int get_dominating_id(struct mount
*mnt
, const struct path
*root
);
44 unsigned int mnt_get_count(struct mount
*mnt
);
45 void mnt_set_mountpoint(struct mount
*, struct mountpoint
*,
47 void umount_tree(struct mount
*, int);
48 struct mount
*copy_tree(struct mount
*, struct dentry
*, int);
49 bool is_path_reachable(struct mount
*, struct dentry
*,
50 const struct path
*root
);
51 #endif /* _LINUX_PNODE_H */
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