189 static int enlarge_buffer(struct st_buffer *, int, int);
190 static void clear_buffer(struct st_buffer *);
191 static void normalize_buffer(struct st_buffer *);
192 static int append_to_buffer(const char __user *, struct st_buffer *, int);
193 static int from_buffer(struct st_buffer *, char __user *, int);
194 static void move_buffer_data(struct st_buffer *, int);
196 static int sgl_map_user_pages(struct st_buffer *, const unsigned int,
198 static int sgl_unmap_user_pages(struct st_buffer *, const unsigned int, int);
666 	struct st_buffer *STbuffer;  in write_behind_check()
1547 	struct st_buffer *STbp = STp->buffer;  in setup_buffering()
1607 	struct st_buffer *STbp;  in release_buffering()
1633 	struct st_buffer *STbp;  in st_write()
1907 	struct st_buffer *STbp;  in read_tape()
2105 	struct st_buffer *STbp = STp->buffer;  in st_read()
3878 static struct st_buffer *new_tape_buffer(int need_dma, int max_sg)  in new_tape_buffer()
3880 	struct st_buffer *tb;  in new_tape_buffer()
3882 	tb = kzalloc(sizeof(struct st_buffer), GFP_KERNEL);  in new_tape_buffer()
3906 static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dma)  in enlarge_buffer()
3968 static void clear_buffer(struct st_buffer * st_bp)  in clear_buffer()
3980 static void normalize_buffer(struct st_buffer * STbuffer)  in normalize_buffer()
3997 static int append_to_buffer(const char __user *ubp, struct st_buffer * st_bp, int do_count)  in append_to_buffer()
4029 static int from_buffer(struct st_buffer * st_bp, char __user *ubp, int do_count)  in from_buffer()
4061 static void move_buffer_data(struct st_buffer * st_bp, int offset)  in move_buffer_data()
4262 	struct st_buffer *buffer;  in st_probe()
4897 static int sgl_map_user_pages(struct st_buffer *STbp,  in sgl_map_user_pages()
4956 static int sgl_unmap_user_pages(struct st_buffer *STbp,  in sgl_unmap_user_pages()