i_stream_seek(): If parent stream is set, use skip optimization only if all the parent streams are at their expected offsets.
i_stream_seek(): If parent stream is set, use skip optimization only if all
the parent streams are at their expected offsets.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot