bsd/vfs/vfs_cluster.c

2750 	int		 start_offset;
2865 		        start_offset = (int)(zero_off & PAGE_MASK_64);
2866 			upl_f_offset = zero_off - start_offset;
2868 		        start_offset = (int)(uio->uio_offset & PAGE_MASK_64);
2869 			upl_f_offset = uio->uio_offset - start_offset;
2871 		        start_offset = (int)(zero_off1 & PAGE_MASK_64);
2872 			upl_f_offset = zero_off1 - start_offset;
2887 		        if ((start_offset + total_size) > max_io_size)
2888 			        total_size = max_io_size - start_offset;
2898 			start_offset = (int)(uio->uio_offset & PAGE_MASK_64);
2899 			upl_f_offset = uio->uio_offset - start_offset;
2902 			        if (start_offset) {
2926 		upl_size = (start_offset + total_size + (PAGE_SIZE - 1)) & ~PAGE_MASK;
2932 		io_size      = upl_size - start_offset;
2955 			upl, (int)upl_f_offset, start_offset, 0, 0);
2957 		if (start_offset && upl_f_offset < oldEOF && !upl_valid_page(pl, 0)) {
2989 		if ((start_offset == 0 || upl_size > PAGE_SIZE) && ((start_offset + io_size) & PAGE_MASK)) {
2997 		        if ((upl_f_offset + start_offset + io_size) < oldEOF &&
3027 		io_offset = start_offset;
3080 		        io_size += start_offset;
3492 	int		 start_offset;
3712 		start_offset = (int)(uio->uio_offset & PAGE_MASK_64);
3713 		upl_f_offset = uio->uio_offset - (off_t)start_offset;
3718 		upl_size = (start_offset + io_size + (PAGE_SIZE - 1)) & ~PAGE_MASK;
3730 			     upl, (int)upl_f_offset, upl_size, start_offset, 0);
3742 			     upl, (int)upl_f_offset, upl_size, start_offset, 0);
3832 			val_size = (uio_last * PAGE_SIZE) - start_offset;
3890 			        retval = cluster_copy_upl_data(uio, upl, start_offset, (int *)&io_requested);
4828 	int		 start_offset;
4871 		start_offset = (int)(f_offset & PAGE_MASK_64);
4872 		upl_f_offset = f_offset - (off_t)start_offset;
4880 		upl_size = (start_offset + io_size + (PAGE_SIZE - 1)) & ~PAGE_MASK;
4895 		        io_size = skip_range - start_offset;
4907 			start_offset = 0;
4914 			     upl, (int)upl_f_offset, upl_size, start_offset, 0);
4939 			     upl, (int)upl_f_offset, upl_size, start_offset, 0);
4990 		io_size = upl_size - start_offset;
5778 	int       start_offset;
5820 	        start_offset = (int)(uio->uio_offset & PAGE_MASK_64);
5823 		retval = memory_object_control_uiomove(control, uio->uio_offset - start_offset, uio,
5824 						       start_offset, io_size, mark_dirty, take_reference);