From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with ESMTP id 364AD6B0011 for ; Fri, 13 May 2011 04:51:09 -0400 (EDT) From: Greg Thelen Subject: [RFC][PATCH v7 08/14] writeback: add memcg fields to writeback_control Date: Fri, 13 May 2011 01:47:47 -0700 Message-Id: <1305276473-14780-9-git-send-email-gthelen@google.com> In-Reply-To: <1305276473-14780-1-git-send-email-gthelen@google.com> References: <1305276473-14780-1-git-send-email-gthelen@google.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, containers@lists.osdl.org, linux-fsdevel@vger.kernel.org, Andrea Righi , Balbir Singh , KAMEZAWA Hiroyuki , Daisuke Nishimura , Minchan Kim , Johannes Weiner , Ciju Rajan K , David Rientjes , Wu Fengguang , Vivek Goyal , Dave Chinner , Greg Thelen Add writeback_control fields to differentiate between bdi-wide and per-cgroup writeback. Cgroup writeback is also able to differentiate between writing inodes isolated to a particular cgroup and inodes shared by multiple cgroups. Signed-off-by: Greg Thelen --- include/linux/writeback.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index d10d133..4f5c0d2 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -47,6 +47,8 @@ struct writeback_control { unsigned for_reclaim:1; /* Invoked from the page allocator */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned more_io:1; /* more io to be dispatched */ + unsigned for_cgroup:1; /* enable cgroup writeback */ + unsigned shared_inodes:1; /* write inodes spanning cgroups */ }; /* -- 1.7.3.1 -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org