[PATCH] tests: fix false du failure on newer XFS

[Bernhard Voelker]

* tests/du/2g.sh: Similar to the fix for a dd test (see commit
v8.22-65-g7c03fe2), avoid speculative preallocation by creating
the 'big' file in one go instead of appending to it in the loop.
Remove debugging statements as the output with 'set -x' is
sufficient nowadays.
---
 tests/du/2g.sh | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/tests/du/2g.sh b/tests/du/2g.sh
index f766d4d..d7cc987 100755
--- a/tests/du/2g.sh
+++ b/tests/du/2g.sh
@@ -43,15 +43,14 @@ test $min_kb -lt $free_kb ||
 
 big=big
 rm -f $big
-test -t 1 || printf 'creating a 2GB file...\n'
-for i in $(seq 100); do
-  # Note: 2147483648 == 2^31. Print floor(2^31/100) per iteration.
-  printf %21474836s x >> $big || fail=1
-  # On the final iteration, append the remaining 48 bytes.
-  test $i = 100 && { printf %48s x >> $big || fail=1; }
-  test -t 1 && printf 'creating a 2GB file: %d%% complete\r' $i
-done
-echo
+{
+  for i in $(seq 100); do
+    # Note: 2147483648 == 2^31. Print floor(2^31/100) per iteration.
+    printf %21474836s x || fail=1
+  done
+  # After the final iteration, append the remaining 48 bytes.
+  printf %48s x || fail=1
+} > $big || fail=1
 
 du -k $big > out1 || fail=1
 rm -f $big
-- 
1.8.4.5