[PATCH v2] generic/449: make the test effective against xfs

["Ernesto A. Fernández" <ernesto.mnd.fernandez@gmail.com>]

Setting acls on an xfs filesystem will succeed even after running out
of space for user attributes. Use trusted attributes instead. Also speed
up the test by setting large values for the attributes.

Signed-off-by: Ernesto A. Fernández <ernesto.mnd.fernandez@gmail.com>
---
Changes in v2:
  - The check for xfs actually worked for all filesystems, as Eryu Guan
    noticed. So the test is now much more straightforward.

 tests/generic/449 | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tests/generic/449 b/tests/generic/449
index fb776b3..f5aad22 100755
--- a/tests/generic/449
+++ b/tests/generic/449
@@ -66,9 +66,17 @@ touch $TFILE
 chmod u+rwx $TFILE
 chmod go-rwx $TFILE
 
+# The content of this file will be used as the value of the attributes
+VFILE=$SCRATCH_MNT/valuefile
+touch $VFILE
+$XFS_IO_PROG -c "pwrite -S 0x2E 0 1k" $VFILE >>$seqres.full 2>&1
+
 # Try to run out of space so setfacl will fail
 $XFS_IO_PROG -c "pwrite 0 50m" $TFILE >>$seqres.full 2>&1
 i=1
+while $SETFATTR_PROG -n trusted.$i -v $(cat $VFILE) $TFILE &>/dev/null; do
+	((++i))
+done
 j=1
 ret=0
 while [ $ret -eq 0 ]; do
@@ -77,7 +85,7 @@ while [ $ret -eq 0 ]; do
 		# On btrfs, setfattr will sometimes fail when free space is
 		# low, long before it's actually exhausted. Insist until it
 		# fails consistently.
-		$SETFATTR_PROG -n user.$i"x"$j $TFILE &>/dev/null
+		$SETFATTR_PROG -n trusted.$i"x"$j $TFILE &>/dev/null
 		ret=$(( $ret && $? ))
 		((++j))
 	done
-- 
2.1.4