The -b flag without an argument is not supported, so remove it. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- common/btrfs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/common/btrfs b/common/btrfs index c7058918..14ad890e 100644 --- a/common/btrfs +++ b/common/btrfs @@ -537,7 +537,7 @@ _btrfs_get_physical() _require_command "$BTRFS_MAP_LOGICAL_PROG" btrfs-map-logical - $BTRFS_MAP_LOGICAL_PROG -b -l $logical $SCRATCH_DEV >> $seqres.full 2>&1 + $BTRFS_MAP_LOGICAL_PROG -l $logical $SCRATCH_DEV >> $seqres.full 2>&1 $BTRFS_MAP_LOGICAL_PROG -l $logical $SCRATCH_DEV | \ $AWK_PROG "(\$1 ~ /mirror/ && \$2 ~ /$stripe/) { print \$6 }" } -- 2.30.2