#include <linux/mount.h>#include <linux/seq_file.h>#include <linux/poll.h> struct mnt_namespace {	atomic_t		count;	struct mount *	root;	struct list_head	list;	wait_queue_head_t poll;	int event;}; struct mnt_pcp {	int mnt_count;	int mnt_writers;}; struct mount {	struct list_head mnt_hash;	struct mount *mnt_parent;	struct dentry *mnt_mountpoint;	struct vfsmount mnt;#ifdef CONFIG_SMP	struct mnt_pcp __percpu *mnt_pcp;	atomic_t mnt_longterm;		/* how many of the refs are longterm */#else	int mnt_count;	int mnt_writers;#endif	struct list_head mnt_mounts;	/* list of children, anchored here */	struct list_head mnt_child;	/* and going through their mnt_child */	struct list_head mnt_instance;	/* mount instance on sb->s_mounts */	const char *mnt_devname;	/* Name of device e.g. /dev/dsk/hda1 */	struct list_head mnt_list;	struct list_head mnt_expire;	/* link in fs-specific expiry list */	struct list_head mnt_share;	/* circular list of shared mounts */	struct list_head mnt_slave_list;/* list of slave mounts */	struct list_head mnt_slave;	/* slave list entry */	struct mount *mnt_master;	/* slave is on master->mnt_slave_list */	struct mnt_namespace *mnt_ns;	/* containing namespace */#ifdef CONFIG_FSNOTIFY	struct hlist_head mnt_fsnotify_marks;	__u32 mnt_fsnotify_mask;#endif	int mnt_id;			/* mount identifier */	int mnt_group_id;		/* peer group identifier */	int mnt_expiry_mark;		/* true if marked for expiry */	int mnt_pinned;	int mnt_ghosts;}; static inline struct mount *real_mount(struct vfsmount *mnt){	return container_of(mnt, struct mount, mnt);} static inline int mnt_has_parent(struct mount *mnt){	return mnt != mnt->mnt_parent;} extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int); static inline void get_mnt_ns(struct mnt_namespace *ns){	atomic_inc(&ns->count);} struct proc_mounts {	struct seq_file m; /* must be the first element */	struct mnt_namespace *ns;	struct path root;	int (*show)(struct seq_file *, struct vfsmount *);}; extern const struct seq_operations mounts_op;