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From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Subject: [PATCH 4/6] io_uring: update sqe layout build checks
Date: Thu, 24 Jun 2021 15:09:58 +0100	[thread overview]
Message-ID: <1f9d21bd74599b856b3a632be4c23ffa184a3ef0.1624543113.git.asml.silence@gmail.com> (raw)
In-Reply-To: <[email protected]>

Add missing BUILD_BUG_SQE_ELEM() for ->buf_group verifying that SQE
layout doesn't change.

Signed-off-by: Pavel Begunkov <[email protected]>
---
 fs/io_uring.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 669d1b48e4cb..c382182573d5 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -10463,6 +10463,7 @@ static int __init io_uring_init(void)
 	BUILD_BUG_SQE_ELEM(28, __u32,  splice_flags);
 	BUILD_BUG_SQE_ELEM(32, __u64,  user_data);
 	BUILD_BUG_SQE_ELEM(40, __u16,  buf_index);
+	BUILD_BUG_SQE_ELEM(40, __u16,  buf_group);
 	BUILD_BUG_SQE_ELEM(42, __u16,  personality);
 	BUILD_BUG_SQE_ELEM(44, __s32,  splice_fd_in);
 
@@ -10475,6 +10476,7 @@ static int __init io_uring_init(void)
 
 	BUILD_BUG_ON(ARRAY_SIZE(io_op_defs) != IORING_OP_LAST);
 	BUILD_BUG_ON(__REQ_F_LAST_BIT >= 8 * sizeof(int));
+
 	req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC |
 				SLAB_ACCOUNT);
 	return 0;
-- 
2.32.0


  parent reply	other threads:[~2021-06-24 14:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-24 14:09 [PATCH for-next 0/6] straightforward for-next cleanups Pavel Begunkov
2021-06-24 14:09 ` [PATCH 1/6] io_uring: don't change sqpoll creds if not needed Pavel Begunkov
2021-06-24 14:09 ` [PATCH 2/6] io_uring: refactor io_sq_thread() Pavel Begunkov
2021-06-24 14:09 ` [PATCH 3/6] io_uring: fix code style problems Pavel Begunkov
2021-06-24 14:09 ` Pavel Begunkov [this message]
2021-06-24 14:09 ` [PATCH 5/6] io_uring: simplify struct io_uring_sqe layout Pavel Begunkov
2021-06-24 14:10 ` [PATCH 6/6] io_uring: refactor io_openat2() Pavel Begunkov
2021-06-24 15:35 ` [PATCH for-next 0/6] straightforward for-next cleanups Jens Axboe

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