/* * linux/fs/pnode.h * * (C) Copyright IBM Corporation 2005. * Released under GPL v2. * */ #ifndef _LINUX_PNODE_H #define _LINUX_PNODE_H #include #include "mount.h" #define IS_MNT_SHARED(mnt) ((mnt)->mnt_flags & MNT_SHARED) #define IS_MNT_SLAVE(mnt) ((mnt)->mnt_master) #define IS_MNT_NEW(mnt) (!(mnt)->mnt_ns) #define CLEAR_MNT_SHARED(mnt) ((mnt)->mnt_flags &= ~MNT_SHARED) #define IS_MNT_UNBINDABLE(mnt) ((mnt)->mnt_flags & MNT_UNBINDABLE) #define CL_EXPIRE 0x01 #define CL_SLAVE 0x02 #define CL_COPY_ALL 0x04 #define CL_MAKE_SHARED 0x08 #define CL_PRIVATE 0x10 static inline void set_mnt_shared(struct mount *mnt) { mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK; mnt->mnt.mnt_flags |= MNT_SHARED; } void change_mnt_propagation(struct mount *, int); int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *, struct list_head *); int propagate_umount(struct list_head *); int propagate_mount_busy(struct vfsmount *, int); void mnt_release_group_id(struct mount *); int get_dominating_id(struct vfsmount *mnt, const struct path *root); unsigned int mnt_get_count(struct vfsmount *mnt); void mnt_set_mountpoint(struct vfsmount *, struct dentry *, struct vfsmount *); void release_mounts(struct list_head *); void umount_tree(struct vfsmount *, int, struct list_head *); struct mount *copy_tree(struct vfsmount *, struct dentry *, int); bool is_path_reachable(struct vfsmount *, struct dentry *, const struct path *root); #endif /* _LINUX_PNODE_H */