diff -urN coreutils-6.3/src/copy.c coreutils-6.3-splice/src/copy.c
--- coreutils-6.3/src/copy.c	2006-09-24 21:01:10.000000000 +0400
+++ coreutils-6.3-splice/src/copy.c	2006-10-10 12:48:20.000000000 +0400
@@ -22,6 +22,18 @@
 #include <assert.h>
 #include <sys/types.h>
 
+#include <asm/unistd.h>
+#include <errno.h>
+
+#define __NR_pf_splice 313 
+_syscall6 (long        , pf_splice,
+	   int         , fd_in,
+	   loff_t*     , off_in,
+	   int         , fd_out,
+	   loff_t*     , off_out,
+	   size_t      , len,
+	   unsigned int, flags);
+
 #if HAVE_HURD_H
 # include <hurd.h>
 #endif
@@ -390,6 +402,70 @@
       buf_alloc = xmalloc (buf_size + buf_alignment_slop);
       buf = ptr_align (buf_alloc, buf_alignment);
 
+      if (!make_holes)
+	{
+	  int r;
+	  unsigned long towrite,
+			written,
+			total_left;
+	  int p [2];
+	  loff_t off_in  = 0,
+		 off_out = 0;
+
+	  if (pipe (p))
+	    {
+	      error (0, errno, _("creating pipe"));
+	      return_val = false;
+	      goto close_src_and_dst_desc;
+	    }
+
+	  while (total_left > 0)
+	    {
+	      r = pf_splice (source_desc, NULL/*&off_in*/,
+			     p [1],       NULL,
+			     4096 << 4,   0);
+	      if (r == 0)
+		  break;
+	      if (r < 0)
+		{
+		  error (0, errno, _("reading %s"), quote (src_name));
+		  return_val = false;
+		  close (p [0]);
+		  close (p [1]);
+		  goto close_src_and_dst_desc;
+		}
+
+	      towrite = r;
+	      written = 0;
+	      while (written < towrite)
+		{
+		  r = pf_splice (p [0],     NULL,
+				 dest_desc, NULL/*&off_out*/,
+				 towrite - written, 0);
+		  if (r == 0)
+		    {
+		      fprintf (stderr, "write returned 0\n");
+		      break;
+		    }
+		  if (r < 0)
+		    {
+		      error (0, errno, _("writing %s"), quote (dst_name));
+		      return_val = false;
+		      close (p [0]);
+		      close (p [1]);
+		      goto close_src_and_dst_desc;
+		    }
+		  
+		  written += r;
+		}
+
+	      /* FIXME check place */
+	      n_read_total += towrite;
+	    }
+	  
+	  close (p [0]);
+	  close (p [1]);
+      } else
       for (;;)
 	{
 	  word *wp = NULL;