Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757229AbaGBSq2 (ORCPT ); Wed, 2 Jul 2014 14:46:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58959 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754536AbaGBSq0 (ORCPT ); Wed, 2 Jul 2014 14:46:26 -0400 From: Jeff Moyer To: Christoph Hellwig Cc: Dmitry Kasatkin , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Linux Kernel Mailing List , akpm@linux-foundation.org, viro@ZenIV.linux.org.uk, Mimi Zohar , linux-security-module , Greg KH , Dmitry Kasatkin Subject: Re: IMA: kernel reading files opened with O_DIRECT References: <53B3D3AA.3000408@samsung.com> <20140702184050.GA24583@infradead.org> X-PGP-KeyID: 1F78E1B4 X-PGP-CertKey: F6FE 280D 8293 F72C 65FD 5A58 1FF8 A7CA 1F78 E1B4 X-PCLoadLetter: What the f**k does that mean? Date: Wed, 02 Jul 2014 14:45:50 -0400 In-Reply-To: <20140702184050.GA24583@infradead.org> (Christoph Hellwig's message of "Wed, 2 Jul 2014 11:40:50 -0700") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christoph Hellwig writes: > On Wed, Jul 02, 2014 at 11:55:41AM -0400, Jeff Moyer wrote: >> It's acceptable. > > It's not because it will then also affect other reads going on at the > same time. OK, that part I was fuzzy on. I wasn't sure if they were preventing other reads/writes to the same file somehow. I should have mentioned that. Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/