tests: remove duplicate fiemap-perf test

* tests/cp/fiemap-perf: Copy block-comparing code from sparse-fiemap.
* tests/cp/sparse-fiemap: The same test was here, alongside a much
more involved test.  Remove it, now that it is in its own file.

tests/cp/fiemap-perf

@@ -29,4 +29,8 @@ timeout 10 truncate -s1T f || framework_failure_
 # Nothing can read (much less write) that many bytes in so little time.
 timeout 10 cp f f2 || fail=1
 
+# Ensure that the sparse file copied through fiemap has the same size
+# in bytes as the original.
+test $(stat --printf %s sparse) = $(stat --printf %s fiemap) || fail=1
+
 Exit $fail

tests/cp/sparse-fiemap

@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp --sparse=always through fiemap copy
 
-# Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright (C) 2010, 2011 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -47,17 +47,6 @@ else
     skip_test_ "insufficient mount/ext4 support"
 fi
 
-# Create a 1TiB sparse file
-dd if=/dev/zero of=sparse bs=1k count=1 seek=1G || framework_failure
-
-# It takes many minutes to copy this sparse file using the old method.
-# By contrast, it takes far less than 1 second using FIEMAP-copy.
-timeout 10 cp --sparse=always sparse fiemap || fail=1
-
-# Ensure that the sparse file copied through fiemap has the same size
-# in bytes as the original.
-test $(stat --printf %s sparse) = $(stat --printf %s fiemap) || fail=1
-
 # =================================================
 # Ensure that we exercise the FIEMAP-copying code enough
 # to provoke at least two iterations of the do...while loop