From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f70.google.com (mail-wm0-f70.google.com [74.125.82.70]) by kanga.kvack.org (Postfix) with ESMTP id ADE6E440846 for ; Thu, 24 Aug 2017 12:13:49 -0400 (EDT) Received: by mail-wm0-f70.google.com with SMTP id t20so1353555wmt.4 for ; Thu, 24 Aug 2017 09:13:49 -0700 (PDT) Received: from newverein.lst.de (verein.lst.de. [213.95.11.211]) by mx.google.com with ESMTPS id r128si1833651wmf.233.2017.08.24.09.13.48 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 24 Aug 2017 09:13:48 -0700 (PDT) Date: Thu, 24 Aug 2017 18:13:47 +0200 From: Christoph Hellwig Subject: Re: [PATCH v6 2/5] fs, xfs: introduce S_IOMAP_SEALED Message-ID: <20170824161347.GC27591@lst.de> References: <150353211413.5039.5228914877418362329.stgit@dwillia2-desk3.amr.corp.intel.com> <150353212577.5039.14069456126848863439.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <150353212577.5039.14069456126848863439.stgit@dwillia2-desk3.amr.corp.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Dan Williams Cc: akpm@linux-foundation.org, Jan Kara , "Darrick J. Wong" , linux-api@vger.kernel.org, linux-nvdimm@lists.01.org, Dave Chinner , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org, Jeff Moyer , Alexander Viro , luto@kernel.org, linux-fsdevel@vger.kernel.org, Ross Zwisler , Christoph Hellwig I'm still very unhappy about the get/set flag state. What is the reason you can't use/extend leases? (take a look at the fcntl man page and look for Leases). A variant of the concept is what the pNFS block server uses. -- 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