[PATCH] xfs/270: allow corrupted xfs_db write

[PATCH] xfs/270: allow corrupted xfs_db write

[Eric Sandeen]

Upcoming verifiers treat the unknown ro_compat flag written via xfs_db
as corruption, so use the -d flag to allow it, and filter our the
resulting informational message.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---

diff --git a/tests/xfs/270 b/tests/xfs/270
index d5c8df19..da66bc33 100755
--- a/tests/xfs/270
+++ b/tests/xfs/270
@@ -44,7 +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 features_ro_compat $((2**31))" $SCRATCH_DEV
+$XFS_DB_PROG -x -c "sb 0" -c "write -d features_ro_compat $((2**31))" \
+	$SCRATCH_DEV | grep -v "Allowing write of corrupted data"
 
 # rw mount with unknown ro-compat feature should fail
 echo "rw mount test"

Re: [PATCH] xfs/270: allow corrupted xfs_db write

[Darrick J. Wong]

On Tue, Sep 25, 2018 at 01:16:16PM -0500, Eric Sandeen wrote:
> Upcoming verifiers treat the unknown ro_compat flag written via xfs_db
> as corruption, so use the -d flag to allow it, and filter our the
> resulting informational message.
> 
> Signed-off-by: Eric Sandeen <sandeen@redhat.com>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>

--D

> ---
> 
> diff --git a/tests/xfs/270 b/tests/xfs/270
> index d5c8df19..da66bc33 100755
> --- a/tests/xfs/270
> +++ b/tests/xfs/270
> @@ -44,7 +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 features_ro_compat $((2**31))" $SCRATCH_DEV
> +$XFS_DB_PROG -x -c "sb 0" -c "write -d features_ro_compat $((2**31))" \
> +	$SCRATCH_DEV | grep -v "Allowing write of corrupted data"
>  
>  # rw mount with unknown ro-compat feature should fail
>  echo "rw mount test"
>