projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> | |
| 12 | #include <linux/mount.h> | |
| 03e06e68 RP |
13 | |
| 14 | #define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED) | |
| a58b0eb8 | 15 | #define IS_MNT_SLAVE(mnt) (mnt->mnt_master) |
| b90fa9ae | 16 | #define IS_MNT_NEW(mnt) (!mnt->mnt_namespace) |
| 03e06e68 RP |
17 | #define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED) |
| 18 | ||
| b90fa9ae | 19 | #define CL_EXPIRE 0x01 |
| a58b0eb8 | 20 | #define CL_SLAVE 0x02 |
| b90fa9ae RP |
21 | #define CL_COPY_ALL 0x04 |
| 22 | #define CL_MAKE_SHARED 0x08 | |
| 23 | #define CL_PROPAGATION 0x10 | |
| 24 | ||
| 25 | static inline void set_mnt_shared(struct vfsmount *mnt) | |
| 26 | { | |
| 27 | mnt->mnt_flags &= ~MNT_PNODE_MASK; | |
| 28 | mnt->mnt_flags |= MNT_SHARED; | |
| 29 | } | |
| 30 | ||
| 07b20889 | 31 | void change_mnt_propagation(struct vfsmount *, int); |
| b90fa9ae RP |
32 | int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *, |
| 33 | struct list_head *); | |
| a05964f3 RP |
34 | int propagate_umount(struct list_head *); |
| 35 | int propagate_mount_busy(struct vfsmount *, int); | |
| 07b20889 | 36 | #endif /* _LINUX_PNODE_H */ |