Commit bc1b69ed authored Jan 28, 2013 by Gao feng Committed by Eric W. Biederman Jan 27, 2013

userns: Allow the unprivileged users to mount mqueue fs



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 <gaofeng@cn.fujitsu.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

parent 2b8576cb

ipc/mqueue.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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)