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1 | /* |
2 | * linux/fs/pnode.h |
3 | * |
4 | * (C) Copyright IBM Corporation 2005. |
5 | * Released under GPL v2. |
6 | * |
7 | */ |
8 | #ifndef _LINUX_PNODE_H |
9 | #define _LINUX_PNODE_H |
10 | |
11 | #include <linux/list.h> |
12 | #include <linux/mount.h> |
13 | |
14 | #define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED) |
15 | #define IS_MNT_SLAVE(mnt) (mnt->mnt_master) |
16 | #define IS_MNT_NEW(mnt) (!mnt->mnt_ns) |
17 | #define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED) |
18 | #define IS_MNT_UNBINDABLE(mnt) (mnt->mnt_flags & MNT_UNBINDABLE) |
19 | |
20 | #define CL_EXPIRE 0x01 |
21 | #define CL_SLAVE 0x02 |
22 | #define CL_COPY_ALL 0x04 |
23 | #define CL_MAKE_SHARED 0x08 |
24 | #define CL_PRIVATE 0x10 |
25 | |
26 | static inline void set_mnt_shared(struct vfsmount *mnt) |
27 | { |
28 | mnt->mnt_flags &= ~MNT_SHARED_MASK; |
29 | mnt->mnt_flags |= MNT_SHARED; |
30 | } |
31 | |
32 | void change_mnt_propagation(struct vfsmount *, int); |
33 | int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *, |
34 | struct list_head *); |
35 | int propagate_umount(struct list_head *); |
36 | int propagate_mount_busy(struct vfsmount *, int); |
37 | void mnt_release_group_id(struct vfsmount *); |
38 | int get_dominating_id(struct vfsmount *mnt, const struct path *root); |
39 | #endif /* _LINUX_PNODE_H */ |
40 |
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