From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [RFC ABI 0/8] Netlink-based IOCTLs RDMA ABI Date: Tue, 24 May 2016 15:01:32 -0600 Message-ID: <20160524210132.GB7950@obsidianresearch.com> References: <1464100526-31730-1-git-send-email-leonro@mellanox.com> <1828884A29C6694DAF28B7E6B8A82373AB05004F@ORSMSX109.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1828884A29C6694DAF28B7E6B8A82373AB05004F-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Hefty, Sean" Cc: Leon Romanovsky , "dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On Tue, May 24, 2016 at 07:37:13PM +0000, Hefty, Sean wrote: > Ioctl implementations I looked at treated the ioctl buffer as > input-output (except for read only or write only ioctl's). Maybe > there's examples of redirecting the response to separate buffer(s)? There are examples of this, eg SG_IO uses scatter/gather lists Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html