commit bedd20bcf3b08c5d2f03f30a83a10022bde5e596
author Pavel Begunkov <asml.silence@gmail.com> Fri Nov 04 10:59:44 2022 +0000
committer Jens Axboe <axboe@kernel.dk> Mon Nov 21 07:38:31 2022 -0700
tree b1cce235f256b92d9afc74d2c748c90fb89a68ca
parent 7fa8e84192fd8dbc97b4c8c1acfd10017c3dd7b6

io_uring/net: inline io_notif_flush()

io_notif_flush() is pretty simple, we can inline it.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/332359e7bd124138dfe51340bbec829c9b265c18.1667557923.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

io_uring/notif.h

diff --git a/io_uring/notif.h b/io_uring/notif.h
index 4ae6962..7f00176 100644
--- a/io_uring/notif.h
+++ b/io_uring/notif.h
@@ -18,7 +18,6 @@ struct io_notif_data {
 	bool			zc_copied;
 };
 
-void io_notif_flush(struct io_kiocb *notif);
 struct io_kiocb *io_alloc_notif(struct io_ring_ctx *ctx);
 
 static inline struct io_notif_data *io_notif_to_data(struct io_kiocb *notif)
@@ -26,6 +25,16 @@ static inline struct io_notif_data *io_notif_to_data(struct io_kiocb *notif)
 	return io_kiocb_to_cmd(notif, struct io_notif_data);
 }
 
+static inline void io_notif_flush(struct io_kiocb *notif)
+	__must_hold(&notif->ctx->uring_lock)
+{
+	struct io_notif_data *nd = io_notif_to_data(notif);
+
+	/* drop slot's master ref */
+	if (refcount_dec_and_test(&nd->uarg.refcnt))
+		io_req_task_work_add(notif);
+}
+
 static inline int io_notif_account_mem(struct io_kiocb *notif, unsigned len)
 {
 	struct io_ring_ctx *ctx = notif->ctx;