Re: [PATCH 4/6] xfs/270: use _scratch_xfs_set_metadata_field to fuzz rocompat bits

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On 2018/10/05 8:19, Darrick J. Wong wrote:
From: Darrick J. Wong<darrick.wong@xxxxxxxxxx>

Use the helper to set the metadata field so that we can bypass write
verifier checks.
Hi Darrick,

When write command doesn't support -d option, xfs/270 with the patch works well.
Reviewed-by: Xiao Yang <yangx.jy@xxxxxxxxxxxxxx>

Thanks,
Xiao Yang
Signed-off-by: Darrick J. Wong<darrick.wong@xxxxxxxxxx>
---
  tests/xfs/270 |    4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)


diff --git a/tests/xfs/270 b/tests/xfs/270
index da66bc33..fb72ba7c 100755
--- a/tests/xfs/270
+++ b/tests/xfs/270
@@ -44,8 +44,8 @@ _scratch_mkfs_xfs>>$seqres.full 2>&1
  # set the highest bit of features_ro_compat, use it as an unknown
  # feature bit. If one day this bit become known feature, please
  # change this case.
-$XFS_DB_PROG -x -c "sb 0" -c "write -d features_ro_compat $((2**31))" \
-	$SCRATCH_DEV | grep -v "Allowing write of corrupted data"
+_scratch_xfs_set_metadata_field "features_ro_compat" "$((2**31))" "sb 0" | \
+	grep 'features_ro_compat'

  # rw mount with unknown ro-compat feature should fail
  echo "rw mount test"










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