This bioset is used for allocating bios with nr_iovecs > 0 so this flag
must be set.
Fixes: 011067b05668 ("blk: replace bioset_create_nobvec() with a flags arg to bioset_create()") Signed-off-by: Artur Paszkiewicz <[email protected]> Signed-off-by: Shaohua Li <[email protected]>