187 static int enlarge_buffer(struct st_buffer *, int, int);
188 static void clear_buffer(struct st_buffer *);
189 static void normalize_buffer(struct st_buffer *);
190 static int append_to_buffer(const char __user *, struct st_buffer *, int);
191 static int from_buffer(struct st_buffer *, char __user *, int);
192 static void move_buffer_data(struct st_buffer *, int);
194 static int sgl_map_user_pages(struct st_buffer *, const unsigned int,
196 static int sgl_unmap_user_pages(struct st_buffer *, const unsigned int, int);
609 	struct st_buffer *STbuffer;  in write_behind_check()
776 	struct st_buffer *STbuffer;  in flush_buffer()
1493 	struct st_buffer *STbp = STp->buffer;  in setup_buffering()
1553 	struct st_buffer *STbp;  in release_buffering()
1579 	struct st_buffer *STbp;  in st_write()
1853 	struct st_buffer *STbp;  in read_tape()
2048 	struct st_buffer *STbp = STp->buffer;  in st_read()
3719 static struct st_buffer *new_tape_buffer(int need_dma, int max_sg)  in new_tape_buffer()
3721 	struct st_buffer *tb;  in new_tape_buffer()
3723 	tb = kzalloc(sizeof(struct st_buffer), GFP_ATOMIC);  in new_tape_buffer()
3747 static int enlarge_buffer(struct st_buffer * STbuffer, int new_size, int need_dma)  in enlarge_buffer()
3809 static void clear_buffer(struct st_buffer * st_bp)  in clear_buffer()
3821 static void normalize_buffer(struct st_buffer * STbuffer)  in normalize_buffer()
3838 static int append_to_buffer(const char __user *ubp, struct st_buffer * st_bp, int do_count)  in append_to_buffer()
3870 static int from_buffer(struct st_buffer * st_bp, char __user *ubp, int do_count)  in from_buffer()
3902 static void move_buffer_data(struct st_buffer * st_bp, int offset)  in move_buffer_data()
4102 	struct st_buffer *buffer;  in st_probe()
4527 static int sgl_map_user_pages(struct st_buffer *STbp,  in sgl_map_user_pages()
4591 static int sgl_unmap_user_pages(struct st_buffer *STbp,  in sgl_unmap_user_pages()