netdev - [PATCH 1/4] io_uring: reorder struct sqe

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Message-Id: <20191025173037.13486-2-axboe@kernel.dk>
Date:   Fri, 25 Oct 2019 11:30:34 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     linux-block@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org, jannh@...gle.com,
        Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 1/4] io_uring: reorder struct sqe_submit

Reorder it to pack it better, takes it from 24 bytes to 16 bytes,
and io_kiocb from 192 to 184 bytes.

No functional changes in this patch.

Signed-off-by: Jens Axboe <axboe@...nel.dk>
---
 fs/io_uring.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 13c1ebf96626..effa385ebe72 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -260,10 +260,10 @@ struct io_ring_ctx {
 struct sqe_submit {
 	const struct io_uring_sqe	*sqe;
 	unsigned short			index;
+	bool				has_user : 1;
+	bool				in_async : 1;
+	bool				needs_fixed_file : 1;
 	u32				sequence;
-	bool				has_user;
-	bool				in_async;
-	bool				needs_fixed_file;
 };
 
 /*
-- 
2.17.1