From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f43.google.com (mail-wg0-f43.google.com [74.125.82.43]) by kanga.kvack.org (Postfix) with ESMTP id F3E1C6B0031 for ; Wed, 2 Jul 2014 14:46:20 -0400 (EDT) Received: by mail-wg0-f43.google.com with SMTP id b13so1222245wgh.14 for ; Wed, 02 Jul 2014 11:46:20 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id dw1si16101566wib.88.2014.07.02.11.46.19 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Jul 2014 11:46:19 -0700 (PDT) From: Jeff Moyer Subject: Re: IMA: kernel reading files opened with O_DIRECT References: <53B3D3AA.3000408@samsung.com> <20140702184050.GA24583@infradead.org> 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: MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: 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 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, 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