Commit 4e5bc0a9 authored by Stefan Roesch's avatar Stefan Roesch Committed by Jens Axboe
Browse files

io_uring: store add. return values for CQE32 



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: default avatarJens Axboe <axboe@kernel.dk>
Signed-off-by: default avatarStefan Roesch <shr@fb.com>
Reviewed-by: default avatarKanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20220426182134.136504-3-shr@fb.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 7a51e5b4

fs/io_uring.c

+7 −1
Original line number Diff line number Diff line
@@ -1003,7 +1003,13 @@ 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 */

	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 */