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Commit | Line | Data |
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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_PROPAGATION 0x10 | |
25 | #define CL_PRIVATE 0x20 | |
26 | ||
27 | static inline void set_mnt_shared(struct vfsmount *mnt) | |
28 | { | |
29 | mnt->mnt_flags &= ~MNT_PNODE_MASK; | |
30 | mnt->mnt_flags |= MNT_SHARED; | |
31 | } | |
32 | ||
33 | void change_mnt_propagation(struct vfsmount *, int); | |
34 | int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *, | |
35 | struct list_head *); | |
36 | int propagate_umount(struct list_head *); | |
37 | int propagate_mount_busy(struct vfsmount *, int); | |
38 | void mnt_release_group_id(struct vfsmount *); | |
39 | int get_dominating_id(struct vfsmount *mnt, const struct path *root); | |
40 | #endif /* _LINUX_PNODE_H */ |