1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * linux/fs/pnode.h 2 * linux/fs/pnode.h
4 * 3 *
5 * (C) Copyright IBM Corporation 2005. 4 * (C) Copyright IBM Corporation 2005.
>> 5 * Released under GPL v2.
>> 6 *
6 */ 7 */
7 #ifndef _LINUX_PNODE_H 8 #ifndef _LINUX_PNODE_H
8 #define _LINUX_PNODE_H 9 #define _LINUX_PNODE_H
9 10
10 #include <linux/list.h> 11 #include <linux/list.h>
11 #include "mount.h" 12 #include "mount.h"
12 13
13 #define IS_MNT_SHARED(m) ((m)->mnt.mnt_flags & 14 #define IS_MNT_SHARED(m) ((m)->mnt.mnt_flags & MNT_SHARED)
14 #define IS_MNT_SLAVE(m) ((m)->mnt_master) 15 #define IS_MNT_SLAVE(m) ((m)->mnt_master)
15 #define IS_MNT_NEW(m) (!(m)->mnt_ns || is_ano !! 16 #define IS_MNT_NEW(m) (!(m)->mnt_ns)
16 #define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flag 17 #define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flags &= ~MNT_SHARED)
17 #define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_fla 18 #define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_flags & MNT_UNBINDABLE)
18 #define IS_MNT_MARKED(m) ((m)->mnt.mnt_flags & <<
19 #define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= <<
20 #define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags <<
21 #define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & <<
22 19
23 #define CL_EXPIRE 0x01 20 #define CL_EXPIRE 0x01
24 #define CL_SLAVE 0x02 21 #define CL_SLAVE 0x02
25 #define CL_COPY_UNBINDABLE 0x04 !! 22 #define CL_COPY_ALL 0x04
26 #define CL_MAKE_SHARED 0x08 23 #define CL_MAKE_SHARED 0x08
27 #define CL_PRIVATE 0x10 24 #define CL_PRIVATE 0x10
28 #define CL_SHARED_TO_SLAVE 0x20 25 #define CL_SHARED_TO_SLAVE 0x20
29 #define CL_COPY_MNT_NS_FILE 0x40 !! 26 #define CL_UNPRIVILEGED 0x40
30 <<
31 #define CL_COPY_ALL (CL_COPY_UNBIN <<
32 27
33 static inline void set_mnt_shared(struct mount 28 static inline void set_mnt_shared(struct mount *mnt)
34 { 29 {
35 mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK 30 mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK;
36 mnt->mnt.mnt_flags |= MNT_SHARED; 31 mnt->mnt.mnt_flags |= MNT_SHARED;
37 } 32 }
38 33
39 void change_mnt_propagation(struct mount *, in 34 void change_mnt_propagation(struct mount *, int);
40 int propagate_mnt(struct mount *, struct mount 35 int propagate_mnt(struct mount *, struct mountpoint *, struct mount *,
41 struct hlist_head *); !! 36 struct list_head *);
42 int propagate_umount(struct list_head *); 37 int propagate_umount(struct list_head *);
43 int propagate_mount_busy(struct mount *, int); 38 int propagate_mount_busy(struct mount *, int);
44 void propagate_mount_unlock(struct mount *); <<
45 void mnt_release_group_id(struct mount *); 39 void mnt_release_group_id(struct mount *);
46 int get_dominating_id(struct mount *mnt, const 40 int get_dominating_id(struct mount *mnt, const struct path *root);
47 int mnt_get_count(struct mount *mnt); !! 41 unsigned int mnt_get_count(struct mount *mnt);
48 void mnt_set_mountpoint(struct mount *, struct 42 void mnt_set_mountpoint(struct mount *, struct mountpoint *,
49 struct mount *); 43 struct mount *);
50 void mnt_change_mountpoint(struct mount *paren !! 44 void umount_tree(struct mount *, int);
51 struct mount *mnt); <<
52 struct mount *copy_tree(struct mount *, struct 45 struct mount *copy_tree(struct mount *, struct dentry *, int);
53 bool is_path_reachable(struct mount *, struct 46 bool is_path_reachable(struct mount *, struct dentry *,
54 const struct path *ro 47 const struct path *root);
55 int count_mounts(struct mnt_namespace *ns, str <<
56 bool propagation_would_overmount(const struct <<
57 const struct <<
58 const struct <<
59 #endif /* _LINUX_PNODE_H */ 48 #endif /* _LINUX_PNODE_H */
60 49
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