124 	unsigned long *bitmap;  member
157 	.bitmap =		NULL, \
723 	vfree(ubd_dev->cow.bitmap);  in ubd_close_dev()
724 	ubd_dev->cow.bitmap = NULL;  in ubd_close_dev()
767 		ubd_dev->cow.bitmap = vmalloc(ubd_dev->cow.bitmap_len);  in ubd_open_dev()
768 		if(ubd_dev->cow.bitmap == NULL){  in ubd_open_dev()
774 		err = read_cow_bitmap(ubd_dev->fd, ubd_dev->cow.bitmap,  in ubd_open_dev()
1150 			  __u64 *cow_offset, unsigned long *bitmap,  in cowify_bitmap()  argument
1160 		if(ubd_test_bit(sector + i, (unsigned char *) bitmap))  in cowify_bitmap()
1164 		ubd_set_bit(sector + i, (unsigned char *) bitmap);  in cowify_bitmap()
1181 	bitmap_words[0] = bitmap[*cow_offset];  in cowify_bitmap()
1182 	bitmap_words[1] = bitmap[*cow_offset + 1];  in cowify_bitmap()
1188 static void cowify_req(struct io_thread_req *req, unsigned long *bitmap,  in cowify_req()  argument
1199 			if(ubd_test_bit(sector + i, (unsigned char *) bitmap))  in cowify_req()
1205 			   &req->cow_offset, bitmap, bitmap_offset,  in cowify_req()
1234 		cowify_req(io_req, ubd_dev->cow.bitmap,  in prepare_request()