On Fri, Jan 12, 2018 at 02:16:22PM +0800, xiao yang wrote:
> Make sure _scratch_xfs_set_metadata_field() can be used on an
> old xfsprogs-dev(e.g. v3.1.1).
>
> The "-d" option was introduced since xfsprogs-dev v4.7.0 by commit
> 86769b3 ("xfs_db: allow recalculating CRCs on invalid metadata").
>
> The special argument "--" is only used to end option-scanning
> in getopt(). getopt() was introduced since xfsprogs-dev v3.2.3 by
> commit c9f5e3d ("xfs_db: Allow writes of corrupted data")'.
>
> Signed-off-by: xiao yang <yangx.jy@xxxxxxxxxxxxxx>
> ---
> common/xfs | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/common/xfs b/common/xfs
> index 45b84a0..59d6dd3 100644
> --- a/common/xfs
> +++ b/common/xfs
> @@ -658,8 +658,11 @@ _scratch_xfs_set_metadata_field()
> for arg in "$@"; do
> cmds+=("-c" "${arg}")
> done
> - _scratch_xfs_db -x "${cmds[@]}" -c "write -d ${key} -- ${value}"
> - echo
> +
> + local wr_cmd="write"
> + _scratch_xfs_db -x -c "help write" | egrep -q "(-c|-d)" && value="-- $value"
"${value}" at the end of this line, for consistency within the function?
Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> + _scratch_xfs_db -x -c "help write" | egrep -q "(-d)" && wr_cmd="${wr_cmd} -d"
> + _scratch_xfs_db -x "${cmds[@]}" -c "${wr_cmd} ${key} ${value}"
> }
>
> _scratch_xfs_get_sb_field()
> --
> 1.8.3.1
>
>
>
> --
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