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From: Stefan Roesch <[email protected]>
To: <[email protected]>, <[email protected]>,
	<[email protected]>
Cc: <[email protected]>, <[email protected]>, Jens Axboe <[email protected]>
Subject: [PATCH v4 02/12] io_uring: store add. return values for CQE32
Date: Tue, 26 Apr 2022 11:21:24 -0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

This reuses the hash list node for the storage we need to hold the two
64-bit values that must be passed back.

Co-developed-by: Jens Axboe <[email protected]>
Signed-off-by: Stefan Roesch <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Reviewed-by: Kanchan Joshi <[email protected]>
---
 fs/io_uring.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 4c32cf987ef3..bf2b02518332 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -964,7 +964,13 @@ struct io_kiocb {
 	atomic_t			poll_refs;
 	struct io_task_work		io_task_work;
 	/* for polled requests, i.e. IORING_OP_POLL_ADD and async armed poll */
-	struct hlist_node		hash_node;
+	union {
+		struct hlist_node	hash_node;
+		struct {
+			u64		extra1;
+			u64		extra2;
+		};
+	};
 	/* internal polling, see IORING_FEAT_FAST_POLL */
 	struct async_poll		*apoll;
 	/* opcode allocated if it needs to store data for async defer */
-- 
2.30.2


  parent reply	other threads:[~2022-04-26 18:22 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-26 18:21 [PATCH v4 00/12] add large CQE support for io-uring Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 01/12] io_uring: support CQE32 in io_uring_cqe Stefan Roesch
2022-04-26 18:21 ` Stefan Roesch [this message]
2022-04-26 18:21 ` [PATCH v4 03/12] io_uring: change ring size calculation for CQE32 Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 04/12] io_uring: add CQE32 setup processing Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 05/12] io_uring: add CQE32 completion processing Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 06/12] io_uring: modify io_get_cqe for CQE32 Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 07/12] io_uring: flush completions " Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 08/12] io_uring: overflow processing " Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 09/12] io_uring: add tracing for additional CQE32 fields Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 10/12] io_uring: support CQE32 in /proc info Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 11/12] io_uring: enable CQE32 Stefan Roesch
2022-04-26 18:21 ` [PATCH v4 12/12] io_uring: support CQE32 for nop operation Stefan Roesch
2022-04-26 22:58 ` [PATCH v4 00/12] add large CQE support for io-uring Jens Axboe

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