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