=== patched kernel #1 (fix.diff applied) : nodata + readback ===
issuing HAMMERIOC_MIRROR_WRITE mode=nodata size=80...
MIRROR_WRITE rc=0 head.error=0 head.flags=00000000 count=80
=> stream processed
MIRROR_READ rc=0 error=0 count=584
  mrec[0] sig=4dd97272 type=00000001 rec_size=208 obj=1 key=0 ctid=100000001 dtid=0 btype=52 rt=0001 loc=00000001 dlen=128
  mrec[208] sig=4dd97272 type=00000001 rec_size=372 obj=1 key=0 ctid=100000001 dtid=0 btype=52 rt=0015 loc=00000002 dlen=292
(no obj=1234 record: REC_NODATA case now skips it - fix proven)