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#include <linux/fs.h>
struct fs_pin {
atomic_long_t count;
union {
struct {
struct hlist_node s_list;
struct hlist_node m_list;
};
struct rcu_head rcu;
};
void (*kill)(struct fs_pin *);
};
void pin_put(struct fs_pin *);
void pin_remove(struct fs_pin *);
void pin_insert(struct fs_pin *, struct vfsmount *);
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