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From: Hao Xu <[email protected]>
To: Jens Axboe <[email protected]>
Cc: [email protected], Pavel Begunkov <[email protected]>,
	Joseph Qi <[email protected]>
Subject: Re: [PATCH v2] io_uring: fix bug of wrong BUILD_BUG_ON check of __REQ_F_LAST_BIT
Date: Fri, 10 Sep 2021 19:50:45 +0800	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

ping
在 2021/9/7 上午11:22, Hao Xu 写道:
> Build check of __REQ_F_LAST_BIT should be large than not equal or large
> than.
> 
> Signed-off-by: Hao Xu <[email protected]>
> ---
>   fs/io_uring.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/io_uring.c b/fs/io_uring.c
> index 2bde732a1183..d159d9204e07 100644
> --- a/fs/io_uring.c
> +++ b/fs/io_uring.c
> @@ -10643,7 +10643,7 @@ static int __init io_uring_init(void)
>   	BUILD_BUG_ON(SQE_VALID_FLAGS >= (1 << 8));
>   
>   	BUILD_BUG_ON(ARRAY_SIZE(io_op_defs) != IORING_OP_LAST);
> -	BUILD_BUG_ON(__REQ_F_LAST_BIT >= 8 * sizeof(int));
> +	BUILD_BUG_ON(__REQ_F_LAST_BIT > 8 * sizeof(int));
>   
>   	req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC |
>   				SLAB_ACCOUNT);
> 


  reply	other threads:[~2021-09-10 11:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-07  3:22 [PATCH v2] io_uring: fix bug of wrong BUILD_BUG_ON check of __REQ_F_LAST_BIT Hao Xu
2021-09-10 11:50 ` Hao Xu [this message]
2021-09-10 12:26 ` Jens Axboe

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