REQ_OP_ZONE_APPEND bios cannot be split so return EIO if we can't fit it into one IO. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx> --- drivers/md/dm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 058c34abe9d1..c720a7e3269a 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1609,6 +1609,9 @@ static int __split_and_process_non_flush(struct clone_info *ci) len = min_t(sector_t, max_io_len(ci->sector, ti), ci->sector_count); + if (bio_op(ci->bio) == REQ_OP_ZONE_APPEND && len < ci->sector_count) + return -EIO; + r = __clone_and_map_data_bio(ci, ti, ci->sector, &len); if (r < 0) return r; -- 2.26.2
