From mboxrd@z Thu Jan 1 00:00:00 1970 From: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman) Subject: Re: [RFC][PATCH 0/6] Enable multiple mounts of devpts Date: Mon, 04 Aug 2008 23:15:30 -0700 Message-ID: References: <20080805011844.GA14940@us.ibm.com> <4897AECE.9060307@zytor.com> <20080805015334.GA16114@us.ibm.com> <4897B5DC.10502@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: (Kyle Moffett's message of "Tue, 5 Aug 2008 00:57:24 -0400") 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 To: Kyle Moffett Cc: "David C. Hansen" , bastian-yyjItF7Rl6lg9hUCZPvPmw@public.gmane.org, ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org, "H. Peter Anvin" , containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org, xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org List-Id: containers.vger.kernel.org > There definitely needs to be a mount option (and possibly a config > option to forcibly enable the mount option). I personally have 5 or 6 > different custom scripts that depend on being able to unmount and > remount devpts without losing access to the TTYs therein. Eventually > I will need to port those over to use "mount --move", but it would be > bad to have a random kernel upgrade just break my imaging/cloning > system. An interesting point. What should the semantics be. If we unmount /dev/pts and people still have ptys open. -EBUSY? Except for lazy unmounts? Eric