191 static int enlarge_buffer(struct st_buffer *, int);
192 static void clear_buffer(struct st_buffer *);
193 static void normalize_buffer(struct st_buffer *);
194 static int append_to_buffer(const char __user *, struct st_buffer *, int);
195 static int from_buffer(struct st_buffer *, char __user *, int);
196 static void move_buffer_data(struct st_buffer *, int);
198 static int sgl_map_user_pages(struct st_buffer *, const unsigned int,
200 static int sgl_unmap_user_pages(struct st_buffer *, const unsigned int, int);
663 	struct st_buffer *STbuffer;  in write_behind_check()
1543 	struct st_buffer *STbp = STp->buffer;  in setup_buffering()
1603 	struct st_buffer *STbp;  in release_buffering()
1629 	struct st_buffer *STbp;  in st_write()
1903 	struct st_buffer *STbp;  in read_tape()
2101 	struct st_buffer *STbp = STp->buffer;  in st_read()
3865 static struct st_buffer *new_tape_buffer(int max_sg)  in new_tape_buffer()
3867 	struct st_buffer *tb;  in new_tape_buffer()
3869 	tb = kzalloc(sizeof(struct st_buffer), GFP_KERNEL);  in new_tape_buffer()
3892 static int enlarge_buffer(struct st_buffer * STbuffer, int new_size)  in enlarge_buffer()
3952 static void clear_buffer(struct st_buffer * st_bp)  in clear_buffer()
3964 static void normalize_buffer(struct st_buffer * STbuffer)  in normalize_buffer()
3981 static int append_to_buffer(const char __user *ubp, struct st_buffer * st_bp, int do_count)  in append_to_buffer()
4013 static int from_buffer(struct st_buffer * st_bp, char __user *ubp, int do_count)  in from_buffer()
4045 static void move_buffer_data(struct st_buffer * st_bp, int offset)  in move_buffer_data()
4245 	struct st_buffer *buffer;  in st_probe()
4859 static int sgl_map_user_pages(struct st_buffer *STbp,  in sgl_map_user_pages()
4917 static int sgl_unmap_user_pages(struct st_buffer *STbp,  in sgl_unmap_user_pages()