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> | |
| 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 | 25 | |
| 0f0afb1d | 26 | static inline void set_mnt_shared(struct mount *mnt) |
| b90fa9ae | 27 | { |
| 0f0afb1d AV |
28 | mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK; |
| 29 | mnt->mnt.mnt_flags |= MNT_SHARED; | |
| b90fa9ae RP |
30 | } |
| 31 | ||
| 0f0afb1d | 32 | void change_mnt_propagation(struct mount *, 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); | |
| 4b8b21f4 | 37 | void mnt_release_group_id(struct mount *); |
| 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 *); | |
| 761d5c38 | 43 | void umount_tree(struct mount *, int, struct list_head *); |
| 87129cc0 | 44 | struct mount *copy_tree(struct mount *, 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 */ |