netdev - Re: [PATCH 03/17] fs: don't allow to complete sync iocbs through aio

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Message-ID: <552D55D1.2000908@intel.com>
Date:	Tue, 14 Apr 2015 11:00:49 -0700
From:	Tadeusz Struk <tadeusz.struk@...el.com>
To:	Al Viro <viro@...IV.linux.org.uk>, davem@...emloft.net
CC:	netdev@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH 03/17] fs: don't allow to complete sync iocbs through
 aio_complete

On 04/11/2015 02:18 PM, Al Viro wrote:
> @@ -766,8 +765,7 @@ int sock_recvmsg(struct socket *sock, struct msghdr *msg,
>  
>  	init_sync_kiocb(&iocb, NULL);
>  	ret = __sock_recvmsg(&iocb, sock, msg, size, flags);
> -	if (-EIOCBQUEUED == ret)
> -		ret = wait_on_sync_kiocb(&iocb);
> +	BUG_ON(ret == -EIOCBQUEUED);

NACK - PF_ALG type sockets support async operations and return -EIOCBQUEUED
See skcipher_recvmsg_async() in crypto/algif_skcipher.c in net-next

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