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 | |
| fc7be130 AV |
14 | #define IS_MNT_SHARED(m) ((m)->mnt.mnt_flags & MNT_SHARED) |
| 15 | #define IS_MNT_SLAVE(m) ((m)->mnt_master) | |
| 16 | #define IS_MNT_NEW(m) (!(m)->mnt_ns) | |
| 17 | #define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flags &= ~MNT_SHARED) | |
| 18 | #define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_flags & MNT_UNBINDABLE) | |
| f2ebb3a9 AV |
19 | #define IS_MNT_MARKED(m) ((m)->mnt.mnt_flags & MNT_MARKED) |
| 20 | #define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= MNT_MARKED) | |
| 21 | #define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags &= ~MNT_MARKED) | |
| 0c56fe31 | 22 | #define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & MNT_LOCKED) |
| 03e06e68 | 23 | |
| b90fa9ae | 24 | #define CL_EXPIRE 0x01 |
| a58b0eb8 | 25 | #define CL_SLAVE 0x02 |
| 4ce5d2b1 | 26 | #define CL_COPY_UNBINDABLE 0x04 |
| b90fa9ae | 27 | #define CL_MAKE_SHARED 0x08 |
| 796a6b52 | 28 | #define CL_PRIVATE 0x10 |
| 7a472ef4 | 29 | #define CL_SHARED_TO_SLAVE 0x20 |
| 132c94e3 | 30 | #define CL_UNPRIVILEGED 0x40 |
| 4ce5d2b1 EB |
31 | #define CL_COPY_MNT_NS_FILE 0x80 |
| 32 | ||
| 33 | #define CL_COPY_ALL (CL_COPY_UNBINDABLE | CL_COPY_MNT_NS_FILE) | |
| b90fa9ae | 34 | |
| 0f0afb1d | 35 | static inline void set_mnt_shared(struct mount *mnt) |
| b90fa9ae | 36 | { |
| 0f0afb1d AV |
37 | mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK; |
| 38 | mnt->mnt.mnt_flags |= MNT_SHARED; | |
| b90fa9ae RP |
39 | } |
| 40 | ||
| 0f0afb1d | 41 | void change_mnt_propagation(struct mount *, int); |
| 84d17192 | 42 | int propagate_mnt(struct mount *, struct mountpoint *, struct mount *, |
| 38129a13 | 43 | struct hlist_head *); |
| c003b26f | 44 | int propagate_umount(struct list_head *); |
| 1ab59738 | 45 | int propagate_mount_busy(struct mount *, int); |
| 5d88457e | 46 | void propagate_mount_unlock(struct mount *); |
| 4b8b21f4 | 47 | void mnt_release_group_id(struct mount *); |
| 6fc7871f | 48 | int get_dominating_id(struct mount *mnt, const struct path *root); |
| 83adc753 | 49 | unsigned int mnt_get_count(struct mount *mnt); |
| 84d17192 | 50 | void mnt_set_mountpoint(struct mount *, struct mountpoint *, |
| 44d964d6 | 51 | struct mount *); |
| 1064f874 EB |
52 | void mnt_change_mountpoint(struct mount *parent, struct mountpoint *mp, |
| 53 | struct mount *mnt); | |
| 87129cc0 | 54 | struct mount *copy_tree(struct mount *, struct dentry *, int); |
| 643822b4 | 55 | bool is_path_reachable(struct mount *, struct dentry *, |
| afac7cba | 56 | const struct path *root); |
| d2921684 | 57 | int count_mounts(struct mnt_namespace *ns, struct mount *mnt); |
| 07b20889 | 58 | #endif /* _LINUX_PNODE_H */ |