From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753272Ab3A1DIc (ORCPT ); Sun, 27 Jan 2013 22:08:32 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:49525 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753029Ab3A1DIb (ORCPT ); Sun, 27 Jan 2013 22:08:31 -0500 X-IronPort-AV: E=Sophos;i="4.84,549,1355068800"; d="scan'208";a="6651809" From: Gao feng To: ebiederm@xmission.com Cc: serge.hallyn@canonical.com, akpm@linux-foundation.org, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Gao feng Subject: [PATCH] userns: Allow the unprivileged users to mount mqueue fs Date: Mon, 28 Jan 2013 11:09:01 +0800 Message-Id: <1359342541-383-1-git-send-email-gaofeng@cn.fujitsu.com> X-Mailer: git-send-email 1.7.11.7 X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/01/28 11:07:24, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/01/28 11:07:24, Serialize complete at 2013/01/28 11:07:24 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch allow the unprivileged user to mount mqueuefs in user ns. If two userns share the same ipcns,the files in mqueue fs should be seen in both these two userns. If the userns has its own ipcns,it has its own mqueue fs too. ipcns has already done this job well. Signed-off-by: Gao feng --- ipc/mqueue.c | 1 + 1 file changed, 1 insertion(+) diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 71a3ca1..023c986 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -1383,6 +1383,7 @@ static struct file_system_type mqueue_fs_type = { .name = "mqueue", .mount = mqueue_mount, .kill_sb = kill_litter_super, + .fs_flags = FS_USERNS_MOUNT, }; int mq_init_ns(struct ipc_namespace *ns) -- 1.7.11.7