null_handle_bio() erroneously uses the bio_op macro which masks respective request flag bits including REQ_FUA out thus failing the check. Fix by checking bio->bi_opf directly. Signed-off-by: Heinz Mauelshagen <heinzm@xxxxxxxxxx> --- drivers/block/null_blk_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c index 62c9654b9ce8..04b9d415511b 100644 --- a/drivers/block/null_blk_main.c +++ b/drivers/block/null_blk_main.c @@ -1104,7 +1104,7 @@ static int null_handle_bio(struct nullb_cmd *cmd) len = bvec.bv_len; err = null_transfer(nullb, bvec.bv_page, len, bvec.bv_offset, op_is_write(bio_op(bio)), sector, - bio_op(bio) & REQ_FUA); + bio->bi_opf & REQ_FUA); if (err) { spin_unlock_irq(&nullb->lock); return err; -- 2.20.1