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* [PATCH] null_blk: fix checking for REQ_FUA
@ 2019-02-22 19:00 Heinz Mauelshagen
  2019-02-28 21:03 ` Jens Axboe
  0 siblings, 1 reply; 2+ messages in thread
From: Heinz Mauelshagen @ 2019-02-22 19:00 UTC (permalink / raw)
  To: heinzm, axboe; +Cc: linux-kernel, linux-block

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@redhat.com>
---
 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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] null_blk: fix checking for REQ_FUA
  2019-02-22 19:00 [PATCH] null_blk: fix checking for REQ_FUA Heinz Mauelshagen
@ 2019-02-28 21:03 ` Jens Axboe
  0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2019-02-28 21:03 UTC (permalink / raw)
  To: Heinz Mauelshagen; +Cc: linux-kernel, linux-block

On 2/22/19 12:00 PM, Heinz Mauelshagen wrote:
> 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.

Thanks, applied.

-- 
Jens Axboe


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2019-02-22 19:00 [PATCH] null_blk: fix checking for REQ_FUA Heinz Mauelshagen
2019-02-28 21:03 ` Jens Axboe

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