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* [PATCH v1 1/1] [io_uring] req->error only used for iopoll
@ 2019-05-01 11:53 Stefan Bühler
  2019-05-01 21:57 ` Jens Axboe
  0 siblings, 1 reply; 2+ messages in thread
From: Stefan Bühler @ 2019-05-01 11:53 UTC (permalink / raw)
  To: Jens Axboe, linux-block, linux-fsdevel

No need to set it in io_poll_add; io_poll_complete doesn't use it to set
the result in the CQE.

Signed-off-by: Stefan Bühler <source@stbuehler.de>
---
 fs/io_uring.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 6a480f04b0f3..44eb01188838 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -328,7 +328,7 @@ struct io_kiocb {
 #define REQ_F_SEQ_PREV		8	/* sequential with previous */
 #define REQ_F_PREPPED		16	/* prep already done */
 	u64			user_data;
-	u64			error;
+	u64			error;	/* iopoll result from callback */
 
 	struct work_struct	work;
 };
@@ -1426,7 +1426,6 @@ static int io_poll_add(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 		spin_unlock(&poll->head->lock);
 	}
 	if (mask) { /* no async, we'd stolen it */
-		req->error = mangle_poll(mask);
 		ipt.error = 0;
 		io_poll_complete(ctx, req, mask);
 	}
-- 
2.20.1


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

* Re: [PATCH v1 1/1] [io_uring] req->error only used for iopoll
  2019-05-01 11:53 [PATCH v1 1/1] [io_uring] req->error only used for iopoll Stefan Bühler
@ 2019-05-01 21:57 ` Jens Axboe
  0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2019-05-01 21:57 UTC (permalink / raw)
  To: Stefan Bühler, linux-block, linux-fsdevel

On 5/1/19 5:53 AM, Stefan Bühler wrote:
> No need to set it in io_poll_add; io_poll_complete doesn't use it to set
> the result in the CQE.

Looks good, I added this for the 5.2 series. Thanks.

-- 
Jens Axboe


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

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