dm: update original bio sector on Zone Append
Naohiro reported that issuing zone-append bios to a zoned block device
underneath a dm-linear device does not work as expected.
This because we forgot to reverse-map the sector the device wrote to the
original bio.
For zone-append bios, get the offset in the zone of the written sector
from the clone bio and add that to the original bio's sector position.
Fixes: 0512a75b98f8 ("block: Introduce REQ_OP_ZONE_APPEND")
Cc: stable@vger.kernel.org
Reported-by: Naohiro Aota <Naohiro.Aota@wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
1 file changed