39 struct nfs_page {  struct
51 	struct nfs_page		*wb_this_page;  /* list of reqs for this page */  argument
52 	struct nfs_page		*wb_head;       /* head pointer for req list */  argument
57 	void	(*pg_init)(struct nfs_pageio_descriptor *, struct nfs_page *);
58 	size_t	(*pg_test)(struct nfs_pageio_descriptor *, struct nfs_page *,
59 			   struct nfs_page *);
62 				       struct nfs_page *);
113 extern	struct nfs_page *nfs_create_request(struct nfs_open_context *ctx,
115 					    struct nfs_page *last,
118 extern	void nfs_release_request(struct nfs_page *);
129 				   struct nfs_page *);
135 				struct nfs_page *prev,
136 				struct nfs_page *req);
137 extern  int nfs_wait_on_request(struct nfs_page *);
138 extern	void nfs_unlock_request(struct nfs_page *req);
139 extern	void nfs_unlock_and_release_request(struct nfs_page *);
140 extern int nfs_page_group_lock(struct nfs_page *, bool);
141 extern void nfs_page_group_lock_wait(struct nfs_page *);
142 extern void nfs_page_group_unlock(struct nfs_page *);
143 extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int);
149 nfs_lock_request(struct nfs_page *req)  in nfs_lock_request()
160 nfs_list_add_request(struct nfs_page *req, struct list_head *head)  in nfs_list_add_request()
171 nfs_list_remove_request(struct nfs_page *req)  in nfs_list_remove_request()
178 static inline struct nfs_page *
181 	return list_entry(head, struct nfs_page, wb_list);  in nfs_list_entry()
185 loff_t req_offset(struct nfs_page *req)  in req_offset()