From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ying Xue Subject: Re: [PATCH net-next 1/2] tipc: Don't use iocb argument in socket layer Date: Sat, 28 Feb 2015 10:29:19 +0800 Message-ID: <54F127FF.1060207@windriver.com> References: <1425035198-12547-1-git-send-email-ying.xue@windriver.com> <1425035198-12547-2-git-send-email-ying.xue@windriver.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Cc: "netdev@vger.kernel.org" , Erik Hugne To: Jon Maloy , "viro@ZenIV.linux.org.uk" , "hch@lst.de" , "davem@davemloft.net" Return-path: Received: from mail.windriver.com ([147.11.1.11]:53272 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750752AbbB1C3c (ORCPT ); Fri, 27 Feb 2015 21:29:32 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 02/27/2015 09:30 PM, Jon Maloy wrote: >> > socket *sock, long *timeo_p) static int tipc_sendmsg(struct kiocb *iocb, >> > struct socket *sock, >> > struct msghdr *m, size_t dsz) >> > { >> > + struct sock *sk = sock->sk; >> > + int ret; > alternative method: > > bool has_lock = false; >> > + >> > + lock_sock(sk); > > if (!owned_by_user(sk) { > lock_sock(sk); > has_lock = true; > } >> > + ret = __tipc_sendmsg(sock, m, dsz); > [expand code here, instead of an extra call] > > if (has_lock)) > release_sock(); > > Not sure what I prefer, but I just wanted to indicate > this option. > Thanks! In my opinion, the current version seems more clear. :) > You can anyway add a "Reviewed-by" from me. Regards, Ying