From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org To: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org List-Id: linux-fsdevel.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