From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f179.google.com (mail-pd0-f179.google.com [209.85.192.179]) by kanga.kvack.org (Postfix) with ESMTP id 25BEA6B006E for ; Sun, 22 Feb 2015 13:32:19 -0500 (EST) Received: by pdbnh10 with SMTP id nh10so20062586pdb.11 for ; Sun, 22 Feb 2015 10:32:18 -0800 (PST) Received: from mx2.parallels.com (mx2.parallels.com. [199.115.105.18]) by mx.google.com with ESMTPS id q3si20816076pdj.219.2015.02.22.10.32.15 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 22 Feb 2015 10:32:15 -0800 (PST) From: Vladimir Davydov Subject: [PATCH 0/4] cleancache: remove limit on the number of cleancache enabled filesystems Date: Sun, 22 Feb 2015 21:31:51 +0300 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Konrad Rzeszutek Wilk , Boris Ostrovsky , David Vrabel , Mark Fasheh , Joel Becker , Stefan Hengelein , Florian Schmaus , Andor Daam , Dan Magenheimer , Bob Liu , linux-mm@kvack.org, linux-kernel@vger.kernel.org Hi, Currently, maximal number of cleancache enabled filesystems equals 32, which is insufficient nowadays, because a Linux host can have hundreds of containers on board, each of which might want its own filesystem. This patch set targets at removing this limitation - see patch 4 for more details. Patches 1-3 prepare the code for this change. Thanks, Vladimir Davydov (4): ocfs2: copy fs uuid to superblock cleancache: zap uuid arg of cleancache_init_shared_fs cleancache: forbid overriding cleancache_ops cleancache: remove limit on the number of cleancache enabled filesystems Documentation/vm/cleancache.txt | 4 +- drivers/xen/tmem.c | 16 ++- fs/ocfs2/super.c | 4 +- fs/super.c | 2 +- include/linux/cleancache.h | 13 +- mm/cleancache.c | 270 +++++++++++---------------------------- 6 files changed, 94 insertions(+), 215 deletions(-) -- 1.7.10.4 -- 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