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07b20889 RP |
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> | |
b2dba1af | 12 | #include "mount.h" |
03e06e68 | 13 | |
aafd08da AV |
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) | |
03e06e68 | 19 | |
b90fa9ae | 20 | #define CL_EXPIRE 0x01 |
a58b0eb8 | 21 | #define CL_SLAVE 0x02 |
b90fa9ae RP |
22 | #define CL_COPY_ALL 0x04 |
23 | #define CL_MAKE_SHARED 0x08 | |
796a6b52 | 24 | #define CL_PRIVATE 0x10 |
b90fa9ae RP |
25 | |
26 | static inline void set_mnt_shared(struct vfsmount *mnt) | |
27 | { | |
495d6c9c | 28 | mnt->mnt_flags &= ~MNT_SHARED_MASK; |
b90fa9ae RP |
29 | mnt->mnt_flags |= MNT_SHARED; |
30 | } | |
31 | ||
07b20889 | 32 | void change_mnt_propagation(struct vfsmount *, int); |
b90fa9ae RP |
33 | int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *, |
34 | struct list_head *); | |
a05964f3 RP |
35 | int propagate_umount(struct list_head *); |
36 | int propagate_mount_busy(struct vfsmount *, int); | |
521b5d0c | 37 | void mnt_release_group_id(struct vfsmount *); |
97e7e0f7 | 38 | int get_dominating_id(struct vfsmount *mnt, const struct path *root); |
f47ec3f2 AV |
39 | unsigned int mnt_get_count(struct vfsmount *mnt); |
40 | void mnt_set_mountpoint(struct vfsmount *, struct dentry *, | |
41 | struct vfsmount *); | |
42 | void release_mounts(struct list_head *); | |
43 | void umount_tree(struct vfsmount *, int, struct list_head *); | |
44 | struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int); | |
afac7cba AV |
45 | bool is_path_reachable(struct vfsmount *, struct dentry *, |
46 | const struct path *root); | |
07b20889 | 47 | #endif /* _LINUX_PNODE_H */ |