/* SPDX-License-Identifier: GPL-2.0-only *//* *  linux/fs/pnode.h * * (C) Copyright IBM Corporation 2005. */#ifndef _LINUX_PNODE_H#define _LINUX_PNODE_H #include <linux/list.h>#include "mount.h" #define IS_MNT_SHARED(m) ((m)->mnt_t_flags & T_SHARED)#define IS_MNT_SLAVE(m) ((m)->mnt_master)#define IS_MNT_NEW(m) (!(m)->mnt_ns)#define CLEAR_MNT_SHARED(m) ((m)->mnt_t_flags &= ~T_SHARED)#define IS_MNT_UNBINDABLE(m) ((m)->mnt_t_flags & T_UNBINDABLE)#define IS_MNT_MARKED(m) ((m)->mnt_t_flags & T_MARKED)#define SET_MNT_MARK(m) ((m)->mnt_t_flags |= T_MARKED)#define CLEAR_MNT_MARK(m) ((m)->mnt_t_flags &= ~T_MARKED)#define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & MNT_LOCKED) #define CL_EXPIRE    		0x01#define CL_SLAVE     		0x02#define CL_COPY_UNBINDABLE	0x04#define CL_MAKE_SHARED 		0x08#define CL_PRIVATE 		0x10#define CL_COPY_MNT_NS_FILE	0x40 /* * EXCL[namespace_sem] */static inline void set_mnt_shared(struct mount *mnt){	mnt->mnt_t_flags &= ~T_SHARED_MASK;	mnt->mnt_t_flags |= T_SHARED;} static inline bool peers(const struct mount *m1, const struct mount *m2){	return m1->mnt_group_id == m2->mnt_group_id && m1->mnt_group_id;} void change_mnt_propagation(struct mount *, int);void bulk_make_private(struct list_head *);int propagate_mnt(struct mount *, struct mountpoint *, struct mount *,		struct hlist_head *);void propagate_umount(struct list_head *);int propagate_mount_busy(struct mount *, int);void propagate_mount_unlock(struct mount *);void mnt_release_group_id(struct mount *);int get_dominating_id(struct mount *mnt, const struct path *root);int mnt_get_count(struct mount *mnt);void mnt_set_mountpoint(struct mount *, struct mountpoint *,			struct mount *);void mnt_change_mountpoint(struct mount *parent, struct mountpoint *mp,			   struct mount *mnt);struct mount *copy_tree(struct mount *, struct dentry *, int);bool is_path_reachable(struct mount *, struct dentry *,			 const struct path *root);int count_mounts(struct mnt_namespace *ns, struct mount *mnt);bool propagation_would_overmount(const struct mount *from,				 const struct mount *to,				 const struct mountpoint *mp);#endif /* _LINUX_PNODE_H */