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null_blk: fix passing of REQ_FUA flag in null_handle_rq 

[ Upstream commit 2d62e6b038 ]

REQ_FUA should be checked using rq->cmd_flags instead of req_op().

Fixes: deb78b419d ("nullb: emulate cache")
Signed-off-by: Hou Pu <houpu@bytedance.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Hou Pu 2020-08-21 04:34:42 -04:00 committed by Greg Kroah-Hartman
parent 88994acafd
commit 2fc8fa50eb
1 changed files with 1 additions and 1 deletions
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2
drivers/block/null_blk_main.c
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@ -1072,7 +1072,7 @@ static int null_handle_rq(struct nullb_cmd *cmd)
len = bvec.bv_len;
err = null_transfer(nullb, bvec.bv_page, len, bvec.bv_offset,
op_is_write(req_op(rq)), sector,
req_op(rq) & REQ_FUA);
rq->cmd_flags & REQ_FUA);
if (err) {
spin_unlock_irq(&nullb->lock);
return err;