On 06.02.20 00:02, Eric Blake wrote:
> On 2/4/20 11:08 AM, Max Reitz wrote:
>> Note that some filters have secondary children, namely blkverify (the
>> image to be verified) and blklogwrites (the log).  This patch does not
>> touch those children.
> 
> I would have guessed blkdebug; but I guess that's not quite a filter for
> other reasons, so it gets covered in a later patch.

blkdebug is a filter, but it has only a single child and no secondary
one.  So it gets treated like all other filters, i.e. to pass FILTERED |
PRIMARY.

Max