From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qa0-f53.google.com (mail-qa0-f53.google.com [209.85.216.53]) by kanga.kvack.org (Postfix) with ESMTP id 71FEA6B027F for ; Fri, 21 Mar 2014 10:57:37 -0400 (EDT) Received: by mail-qa0-f53.google.com with SMTP id w8so2480899qac.40 for ; Fri, 21 Mar 2014 07:57:37 -0700 (PDT) From: Jeff Moyer Subject: Re: [RFC PATCH 0/5] userspace PI passthrough via AIO/DIO References: <20140321043041.8428.79003.stgit@birch.djwong.org> Date: Fri, 21 Mar 2014 10:57:31 -0400 In-Reply-To: <20140321043041.8428.79003.stgit@birch.djwong.org> (Darrick J. Wong's message of "Thu, 20 Mar 2014 21:30:41 -0700") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org List-ID: To: "Darrick J. Wong" Cc: axboe@kernel.dk, martin.petersen@oracle.com, JBottomley@parallels.com, bcrl@kvack.org, viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, linux-scsi@vger.kernel.org, linux-mm@kvack.org "Darrick J. Wong" writes: > This RFC provides a rough implementation of a mechanism to allow > userspace to attach protection information (e.g. T10 DIF) data to a > disk write and to receive the information alongside a disk read. The > interface is an extension to the AIO interface: two new commands > (IOCB_CMD_P{READ,WRITE}VM) are provided. The last struct iovec in the Sorry for the shallow question, but what does that M stand for? Cheers, Jeff -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org