Merge tag 'v3.10.55' into update
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / pnode.h
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07b20889
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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>
b2dba1af 12#include "mount.h"
03e06e68 13
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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)
03e06e68 19
b90fa9ae 20#define CL_EXPIRE 0x01
a58b0eb8 21#define CL_SLAVE 0x02
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22#define CL_COPY_ALL 0x04
23#define CL_MAKE_SHARED 0x08
796a6b52 24#define CL_PRIVATE 0x10
7a472ef4 25#define CL_SHARED_TO_SLAVE 0x20
132c94e3 26#define CL_UNPRIVILEGED 0x40
b90fa9ae 27
0f0afb1d 28static inline void set_mnt_shared(struct mount *mnt)
b90fa9ae 29{
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30 mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK;
31 mnt->mnt.mnt_flags |= MNT_SHARED;
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32}
33
0f0afb1d 34void change_mnt_propagation(struct mount *, int);
84d17192 35int propagate_mnt(struct mount *, struct mountpoint *, struct mount *,
b90fa9ae 36 struct list_head *);
a05964f3 37int propagate_umount(struct list_head *);
1ab59738 38int propagate_mount_busy(struct mount *, int);
4b8b21f4 39void mnt_release_group_id(struct mount *);
6fc7871f 40int get_dominating_id(struct mount *mnt, const struct path *root);
83adc753 41unsigned int mnt_get_count(struct mount *mnt);
84d17192 42void mnt_set_mountpoint(struct mount *, struct mountpoint *,
44d964d6 43 struct mount *);
328e6d90 44void umount_tree(struct mount *, int);
87129cc0 45struct mount *copy_tree(struct mount *, struct dentry *, int);
643822b4 46bool is_path_reachable(struct mount *, struct dentry *,
afac7cba 47 const struct path *root);
07b20889 48#endif /* _LINUX_PNODE_H */